Major refactoring of the scene management system

CMakeLists.txt

@@ -163,7 +163,7 @@ set(GRAPHICS_HEADERS
     src/engine/graphics/font.h
     src/engine/graphics/fonts.h
     src/engine/graphics/framebuffer.h
-    src/engine/graphics/lip/lipanimation.h
+    src/engine/graphics/lip/animation.h
     src/engine/graphics/lip/lipreader.h
     src/engine/graphics/lip/lips.h
     src/engine/graphics/lip/lipwriter.h
@@ -205,7 +205,7 @@ set(GRAPHICS_SOURCES
     src/engine/graphics/font.cpp
     src/engine/graphics/fonts.cpp
     src/engine/graphics/framebuffer.cpp
-    src/engine/graphics/lip/lipanimation.cpp
+    src/engine/graphics/lip/animation.cpp
     src/engine/graphics/lip/lipreader.cpp
     src/engine/graphics/lip/lips.cpp
     src/engine/graphics/lip/lipwriter.cpp
@@ -289,36 +289,33 @@ set_target_properties(libvideo PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINAR
 ## libscene static library
 
 set(SCENE_HEADERS
-    src/engine/scene/animation/eventlistener.h
-    src/engine/scene/animation/channel.h
-    src/engine/scene/animation/properties.h
-    src/engine/scene/animation/scenenodeanimator.h
-    src/engine/scene/animation/scenenodestate.h
-    src/engine/scene/grasscluster.h
+    src/engine/scene/animeventlistener.h
+    src/engine/scene/animproperties.h
     src/engine/scene/node/cameranode.h
+    src/engine/scene/node/dummynode.h
     src/engine/scene/node/emitternode.h
     src/engine/scene/node/grassnode.h
     src/engine/scene/node/lightnode.h
     src/engine/scene/node/meshnode.h
     src/engine/scene/node/modelnode.h
+    src/engine/scene/node/modelnodescenenode.h
     src/engine/scene/node/scenenode.h
-    src/engine/scene/particle.h
     src/engine/scene/pipeline/control.h
     src/engine/scene/pipeline/world.h
     src/engine/scene/scenegraph.h
     src/engine/scene/types.h)
 
 set(SCENE_SOURCES
-    src/engine/scene/animation/channel.cpp
-    src/engine/scene/animation/scenenodeanimator.cpp
     src/engine/scene/node/cameranode.cpp
     src/engine/scene/node/emitternode.cpp
+    src/engine/scene/node/emitternode_particle.cpp
     src/engine/scene/node/grassnode.cpp
     src/engine/scene/node/lightnode.cpp
     src/engine/scene/node/meshnode.cpp
     src/engine/scene/node/modelnode.cpp
+    src/engine/scene/node/modelnode_animation.cpp
+    src/engine/scene/node/modelnodescenenode.cpp
     src/engine/scene/node/scenenode.cpp
-    src/engine/scene/particle.cpp
     src/engine/scene/pipeline/control.cpp
     src/engine/scene/pipeline/world.cpp
     src/engine/scene/scenegraph.cpp)

src/engine/game/actionexecutor.cpp

@@ -380,7 +380,6 @@ void ActionExecutor::executeJumpToLocation(const shared_ptr<Object> &actor, Loca
 
 void ActionExecutor::executePlayAnimation(const shared_ptr<Object> &actor, const shared_ptr<PlayAnimationAction> &action, float dt) {
     AnimationProperties properties;
-    properties.flags = AnimationFlags::propagateHead;
     properties.speed = action->speed();
 
     auto spatial = static_pointer_cast<SpatialObject>(actor);

src/engine/game/camera/animatedcamera.cpp

@@ -21,8 +21,10 @@
 
 #include <boost/format.hpp>
 
+#include "../../graphics/types.h"
 #include "../../graphics/model/models.h"
 #include "../../resource/resources.h"
+#include "../../scene/node/cameranode.h"
 
 using namespace std;
 
@@ -33,14 +35,14 @@ namespace reone {
 
 namespace game {
 
-AnimatedCamera::AnimatedCamera(SceneGraph *sceneGraph, float aspect) : _sceneGraph(sceneGraph), _aspect(aspect) {
+AnimatedCamera::AnimatedCamera(float aspect, SceneGraph *sceneGraph) : _sceneGraph(sceneGraph), _aspect(aspect) {
     _sceneGraph = sceneGraph;
-    _sceneNode = make_shared<CameraSceneNode>(_sceneGraph, glm::mat4(1.0f), _aspect, _zNear, _zFar);
+    _sceneNode = make_shared<CameraSceneNode>("", glm::mat4(1.0f), _sceneGraph);
     updateProjection();
 }
 
 void AnimatedCamera::updateProjection() {
-    glm::mat4 projection(glm::perspective(glm::radians(_fovy), _aspect, _zNear, _zFar));
+    glm::mat4 projection(glm::perspective(glm::radians(_fovy), _aspect, kDefaultClipPlaneNear, kDefaultClipPlaneFar));
     _sceneNode->setProjection(projection);
 }
 
@@ -64,12 +66,12 @@ static const string &getAnimationName(int animNumber) {
 
 void AnimatedCamera::playAnimation(int animNumber) {
     if (_model) {
-        _model->animator().playAnimation(getAnimationName(animNumber));
+        _model->playAnimation(getAnimationName(animNumber));
     }
 }
 
 bool AnimatedCamera::isAnimationFinished() const {
-    return _model ? _model->animator().isAnimationFinished() : false;
+    return _model ? _model->isAnimationFinished() : false;
 }
 
 void AnimatedCamera::setModel(const shared_ptr<Model> &model) {
@@ -77,7 +79,7 @@ void AnimatedCamera::setModel(const shared_ptr<Model> &model) {
         (!_model && !model)) return;
 
     if (model) {
-        _model = make_unique<ModelSceneNode>(ModelUsage::Other, model, _sceneGraph);
+        _model = make_unique<ModelSceneNode>(model, ModelUsage::Camera, _sceneGraph);
         _model->attach("camerahook", _sceneNode);
     } else {
         _model.reset();

src/engine/game/camera/animatedcamera.h

@@ -34,7 +34,7 @@ const float kDefaultAnimCamFOV = 55.0f;
 
 class AnimatedCamera : public Camera {
 public:
-    AnimatedCamera(scene::SceneGraph *sceneGraph, float aspect);
+    AnimatedCamera(float aspect, scene::SceneGraph *sceneGraph);
 
     void update(float dt) override;
 
@@ -50,8 +50,6 @@ private:
     float _aspect { 1.0f };
     std::unique_ptr<scene::ModelSceneNode> _model;
     float _fovy { kDefaultAnimCamFOV };
-    float _zNear { 0.1f };
-    float _zFar { 10000.0f };
 
     void updateProjection();
 };

src/engine/game/camera/dialogcamera.cpp

@@ -28,9 +28,9 @@ namespace reone {
 
 namespace game {
 
-DialogCamera::DialogCamera(SceneGraph *sceneGraph, const CameraStyle &style, float aspect, float zNear, float zFar) {
-    glm::mat4 projection(glm::perspective(glm::radians(style.viewAngle), aspect, zNear, zFar));
-    _sceneNode = make_shared<CameraSceneNode>(sceneGraph, projection, aspect, zNear, zFar);
+DialogCamera::DialogCamera(float aspect, const CameraStyle &style, SceneGraph *sceneGraph) {
+    glm::mat4 projection(glm::perspective(glm::radians(style.viewAngle), aspect, kDefaultClipPlaneNear, kDefaultClipPlaneFar));
+    _sceneNode = make_shared<CameraSceneNode>("", move(projection), sceneGraph);
 }
 
 void DialogCamera::setSpeakerPosition(const glm::vec3 &position) {

src/engine/game/camera/dialogcamera.h

@@ -40,7 +40,7 @@ public:
         ListenerFar
     };
 
-    DialogCamera(scene::SceneGraph *sceneGraph, const CameraStyle &style, float aspect, float zNear = 0.1f, float zFar = 10000.0f);
+    DialogCamera(float aspect, const CameraStyle &style, scene::SceneGraph *sceneGraph);
 
     void setSpeakerPosition(const glm::vec3 &position);
     void setListenerPosition(const glm::vec3 &position);

src/engine/game/camera/firstperson.cpp

@@ -19,8 +19,11 @@
 
 #include "glm/ext.hpp"
 
+#include "../../graphics/types.h"
+
 using namespace std;
 
+using namespace reone::graphics;
 using namespace reone::scene;
 
 namespace reone {
@@ -30,9 +33,9 @@ namespace game {
 static constexpr float kMovementSpeed = 4.0f;
 static constexpr float kMouseMultiplier = glm::pi<float>() / 4000.0f;
 
-FirstPersonCamera::FirstPersonCamera(SceneGraph *sceneGraph, float aspect, float fovy, float zNear, float zFar) {
-    glm::mat4 projection(glm::perspective(fovy, aspect, zNear, zFar));
-    _sceneNode = make_unique<CameraSceneNode>(sceneGraph, projection, aspect, zNear, zFar);
+FirstPersonCamera::FirstPersonCamera(float aspect, float fovy, SceneGraph *sceneGraph) {
+    glm::mat4 projection(glm::perspective(fovy, aspect, kDefaultClipPlaneNear, kDefaultClipPlaneFar));
+    _sceneNode = make_unique<CameraSceneNode>("", move(projection), sceneGraph);
 }
 
 bool FirstPersonCamera::handle(const SDL_Event &event) {

src/engine/game/camera/firstperson.h

@@ -25,7 +25,7 @@ namespace game {
 
 class FirstPersonCamera : public Camera {
 public:
-    FirstPersonCamera(scene::SceneGraph *sceneGraph, float aspect, float fovy, float zNear = 0.1f, float zFar = 10000.0f);
+    FirstPersonCamera(float aspect, float fovy, scene::SceneGraph *sceneGraph);
 
     bool handle(const SDL_Event &event) override;
     void update(float dt) override;

src/engine/game/camera/staticcamera.cpp

@@ -23,22 +23,19 @@
 
 using namespace std;
 
+using namespace reone::graphics;
 using namespace reone::scene;
 
 namespace reone {
 
 namespace game {
 
-static constexpr float kNearPlane = 0.1f;
-static constexpr float kFarPlane = 10000.0f;
-
-StaticCamera::StaticCamera(SceneGraph *sceneGraph, float aspect) : _aspect(aspect) {
-    _sceneNode = make_unique<CameraSceneNode>(sceneGraph, glm::mat4(1.0f), aspect, kNearPlane, kFarPlane);
+StaticCamera::StaticCamera(float aspect, SceneGraph *sceneGraph) : _aspect(aspect) {
+    _sceneNode = make_unique<CameraSceneNode>("", glm::mat4(1.0f), sceneGraph);
 }
 
 void StaticCamera::setObject(const PlaceableCamera &object) {
-    glm::mat4 projection(glm::perspective(glm::radians(object.fieldOfView()), _aspect, kNearPlane, kFarPlane));
-
+    glm::mat4 projection(glm::perspective(glm::radians(object.fieldOfView()), _aspect, kDefaultClipPlaneNear, kDefaultClipPlaneFar));
     _sceneNode->setLocalTransform(object.transform());
     _sceneNode->setProjection(projection);
 }

src/engine/game/camera/staticcamera.h

@@ -27,7 +27,7 @@ class PlaceableCamera;
 
 class StaticCamera : public Camera {
 public:
-    StaticCamera(scene::SceneGraph *sceneGraph, float aspect);
+    StaticCamera(float aspect, scene::SceneGraph *sceneGraph);
 
     void setObject(const PlaceableCamera &object);
 

src/engine/game/camera/thirdperson.cpp

@@ -23,6 +23,7 @@
 
 using namespace std;
 
+using namespace reone::graphics;
 using namespace reone::scene;
 
 namespace reone {
@@ -34,9 +35,9 @@ static constexpr float kMaxRotationSpeed = 2.5f;
 static constexpr float kRotationAcceleration = 1.0f;
 static constexpr float kMouseRotationSpeed = 0.001f;
 
-ThirdPersonCamera::ThirdPersonCamera(Game *game, SceneGraph *sceneGraph, float aspect, const CameraStyle &style, float zNear, float zFar) : _game(game) {
-    glm::mat4 projection(glm::perspective(glm::radians(style.viewAngle), aspect, zNear, zFar));
-    _sceneNode = make_unique<CameraSceneNode>(sceneGraph, projection, aspect, zNear, zFar);
+ThirdPersonCamera::ThirdPersonCamera(float aspect, const CameraStyle &style, Game *game, SceneGraph *sceneGraph) : _game(game) {
+    glm::mat4 projection(glm::perspective(glm::radians(style.viewAngle), aspect, kDefaultClipPlaneNear, kDefaultClipPlaneFar));
+    _sceneNode = make_unique<CameraSceneNode>("", move(projection), sceneGraph);
     _style = style;
 }
 

src/engine/game/camera/thirdperson.h

@@ -32,7 +32,7 @@ class Game;
 
 class ThirdPersonCamera : public Camera {
 public:
-    ThirdPersonCamera(Game *game, scene::SceneGraph *sceneGraph, float aspect, const CameraStyle &style, float zNear = 0.1f, float zFar = 10000.0f);
+    ThirdPersonCamera(float aspect, const CameraStyle &style, Game *game, scene::SceneGraph *sceneGraph);
 
     bool handle(const SDL_Event &event) override;
     void update(float dt) override;

src/engine/game/combat/combat_projectiles.cpp

@@ -22,6 +22,7 @@
 #include "combat.h"
 
 #include "glm/gtx/euler_angles.hpp"
+#include "glm/gtx/transform.hpp"
 
 #include "../game.h"
 
@@ -38,38 +39,42 @@ static constexpr char kModelEventDetonate[] = "detonate";
 static constexpr float kProjectileSpeed = 16.0f;
 
 void Combat::fireProjectile(const shared_ptr<Creature> &attacker, const shared_ptr<SpatialObject> &target, Round &round) {
+    auto attackerModel = static_pointer_cast<ModelSceneNode>(attacker->sceneNode());
+    auto targetModel = static_pointer_cast<ModelSceneNode>(target->sceneNode());
+    if (!attackerModel || !targetModel) return;
+
     shared_ptr<Item> weapon(attacker->getEquippedItem(InventorySlot::rightWeapon));
     if (!weapon) return;
 
     shared_ptr<Item::AmmunitionType> ammunitionType(weapon->ammunitionType());
     if (!ammunitionType) return;
 
-    shared_ptr<ModelSceneNode> weaponModel(attacker->getModelSceneNode()->getAttachedModel("rhand"));
+    auto weaponModel = static_pointer_cast<ModelSceneNode>(attackerModel->getAttachment("rhand"));
     if (!weaponModel) return;
 
     // Determine projectile position
-    glm::vec3 projectilePos, bulletHookPos;
-    if (weaponModel->getNodeAbsolutePosition("bullethook", bulletHookPos)) {
-        projectilePos = weaponModel->absoluteTransform() * glm::vec4(bulletHookPos, 1.0f);
+    glm::vec3 projectilePos;
+    shared_ptr<ModelNode> bulletHook(weaponModel->model()->getNodeByName("bullethook"));
+    if (bulletHook) {
+        projectilePos = weaponModel->absoluteTransform() * glm::vec4(bulletHook->restPosition(), 1.0f);
     } else {
-        projectilePos = weaponModel->absoluteTransform()[3];
+        projectilePos = weaponModel->getOrigin();
     }
 
     // Determine projectile direction
-    shared_ptr<ModelSceneNode> targetModel(target->getModelSceneNode());
-    glm::vec3 projectileTarget, impactPos;
-    if (targetModel->getNodeAbsolutePosition("impact", impactPos)) {
-        projectileTarget = targetModel->absoluteTransform() * glm::vec4(impactPos, 1.0f);
+    glm::vec3 projectileTarget;
+    shared_ptr<ModelNode> impact(targetModel->model()->getNodeByName("impact"));
+    if (impact) {
+        projectileTarget = targetModel->absoluteTransform() * glm::vec4(impact->restPosition(), 1.0f);
     } else {
-        projectileTarget = targetModel->absoluteTransform()[3];
+        projectileTarget = targetModel->getOrigin();
     }
     round.projectileDir = glm::normalize(projectileTarget - projectilePos);
 
     // Create and add a projectile to the scene graph
-    round.projectile = make_shared<ModelSceneNode>(ModelUsage::Projectile, ammunitionType->model, &_game->sceneGraph());
+    round.projectile = make_shared<ModelSceneNode>(ammunitionType->model, ModelUsage::Projectile, &_game->sceneGraph());
     round.projectile->signalEvent(kModelEventDetonate);
-    round.projectile->setPosition(projectilePos);
-    round.projectile->setProjectileSpeed(kProjectileSpeed);
+    round.projectile->setLocalTransform(glm::translate(projectilePos));
     _game->sceneGraph().addRoot(round.projectile);
 
     // Play shot sound, if any

src/engine/game/console.cpp

@@ -122,7 +122,8 @@ void Console::cmdListAnim(vector<string> tokens) {
         substr = tokens[1];
     }
 
-    vector<string> anims(object->getModelSceneNode()->model()->getAnimationNames());
+    auto model = static_pointer_cast<ModelSceneNode>(object->sceneNode());
+    vector<string> anims(model->model()->getAnimationNames());
     sort(anims.begin(), anims.end());
 
     for (auto &anim : anims) {
@@ -146,7 +147,8 @@ void Console::cmdPlayAnim(vector<string> tokens) {
             return;
         }
     }
-    object->getModelSceneNode()->animator().playAnimation(tokens[1], AnimationProperties::fromFlags(AnimationFlags::loop));
+    auto model = static_pointer_cast<ModelSceneNode>(object->sceneNode());
+    model->playAnimation(tokens[1], AnimationProperties::fromFlags(AnimationFlags::loop));
 }
 
 void Console::cmdKill(vector<string> tokens) {

src/engine/game/game.cpp

@@ -729,7 +729,7 @@ void Game::updateSceneGraph(float dt) {
     shared_ptr<SceneNode> lightingRefNode;
     shared_ptr<Creature> partyLeader(_party.getLeader());
     if (partyLeader && _cameraType == CameraType::ThirdPerson) {
-        lightingRefNode = partyLeader->getModelSceneNode();
+        lightingRefNode = partyLeader->sceneNode();
     } else {
         lightingRefNode = camera->sceneNode();
     }

src/engine/game/gui/chargen/chargen.cpp

@@ -377,11 +377,11 @@ shared_ptr<ModelSceneNode> CharacterGeneration::getCharacterModel(SceneGraph &sc
     creature->setAppearance(_character.appearance);
     creature->equip("g_a_clothes01");
     creature->loadAppearance();
-    creature->getModelSceneNode()->setCullable(false);
+    creature->sceneNode()->setCullable(false);
     creature->updateModelAnimation();
 
-    auto model = make_shared<ModelSceneNode>(ModelUsage::GUI, Models::instance().get("cgbody_light"), &sceneGraph);
-    model->attach("cgbody_light", creature->getModelSceneNode());
+    auto model = make_shared<ModelSceneNode>(Models::instance().get("cgbody_light"), ModelUsage::GUI, &sceneGraph);
+    model->attach("cgbody_light", creature->sceneNode());
 
     return move(model);
 }

src/engine/game/gui/chargen/classselect.cpp

@@ -148,11 +148,11 @@ shared_ptr<ModelSceneNode> ClassSelection::getCharacterModel(int appearance, Sce
     character->setAppearance(appearance);
     character->equip("g_a_clothes01");
     character->loadAppearance();
-    character->getModelSceneNode()->setCullable(false);
+    character->sceneNode()->setCullable(false);
     character->updateModelAnimation();
 
-    auto model = make_shared<ModelSceneNode>(ModelUsage::GUI, Models::instance().get("cgbody_light"), &sceneGraph);
-    model->attach("cgbody_light", character->getModelSceneNode());
+    auto model = make_shared<ModelSceneNode>(Models::instance().get("cgbody_light"), ModelUsage::GUI, &sceneGraph);
+    model->attach("cgbody_light", character->sceneNode());
 
     return move(model);
 }

src/engine/game/gui/chargen/portraitselect.cpp

@@ -106,17 +106,17 @@ shared_ptr<ModelSceneNode> PortraitSelection::getCharacterModel(SceneGraph &scen
     creature->setAppearance(getAppearanceFromCurrentPortrait());
     creature->equip("g_a_clothes01");
     creature->loadAppearance();
-    creature->getModelSceneNode()->setCullable(false);
+    creature->sceneNode()->setCullable(false);
     creature->updateModelAnimation();
 
     // Attach creature model to the root scene node
 
-    shared_ptr<ModelSceneNode> creatureModel(creature->getModelSceneNode());
-    glm::vec3 headPosition;
-    if (creatureModel->getNodeAbsolutePosition("camerahook", headPosition)) {
-        creature->setPosition(glm::vec3(0.0f, 0.0f, -headPosition.z));
+    auto creatureModel = static_pointer_cast<ModelSceneNode>(creature->sceneNode());
+    shared_ptr<ModelNode> cameraHook(creatureModel->model()->getNodeByName("camerahook"));
+    if (cameraHook) {
+        creature->setPosition(glm::vec3(0.0f, 0.0f, -cameraHook->restPosition().z));
     }
-    auto model = make_shared<ModelSceneNode>(ModelUsage::GUI, Models::instance().get("cghead_light"), &sceneGraph);
+    auto model = make_shared<ModelSceneNode>(Models::instance().get("cghead_light"), ModelUsage::GUI, &sceneGraph);
     model->attach("cghead_light", creatureModel);
 
 

src/engine/game/gui/conversation.h

@@ -19,7 +19,7 @@
 
 #include "../../audio/soundhandle.h"
 #include "../../common/timer.h"
-#include "../../graphics/lip/lipanimation.h"
+#include "../../graphics/lip/animation.h"
 #include "../../graphics/model/model.h"
 
 #include "../dialog.h"

src/engine/game/gui/dialog.cpp

@@ -250,16 +250,15 @@ void DialogGUI::updateCamera() {
 }
 
 glm::vec3 DialogGUI::getTalkPosition(const SpatialObject &object) const {
-    shared_ptr<ModelSceneNode> model(object.getModelSceneNode());
-    if (model) {
-        glm::vec3 hookPosition(0.0f);
-        if (model->getNodeAbsolutePosition("talkdummy", hookPosition)) {
-            return object.position() + hookPosition;
-        }
-        return model->getWorldCenterAABB();
-    }
+    auto model = static_pointer_cast<ModelSceneNode>(object.sceneNode());
+    if (!model) return object.position();
 
-    return object.position();
+
+    shared_ptr<ModelNode> talkDummy(model->model()->getNodeByName("talkdummy"));
+
+    return talkDummy ?
+        (object.transform() * talkDummy->absoluteTransform())[3] :
+        model->getWorldCenterOfAABB();
 }
 
 DialogCamera::Variant DialogGUI::getRandomCameraVariant() const {
@@ -287,7 +286,6 @@ void DialogGUI::updateParticipantAnimations() {
             shared_ptr<Animation> animation(participant.model->getAnimation(animName));
             if (animation) {
                 AnimationProperties properties;
-                properties.flags = AnimationFlags::propagateHead;
                 properties.scale = 1.0f;
                 participant.creature->playAnimation(animation, move(properties));
             }
@@ -304,7 +302,7 @@ void DialogGUI::updateParticipantAnimations() {
             }
             AnimationType animType = getStuntAnimationType(anim.animation);
             if (animType != AnimationType::Invalid) {
-                participant->playAnimation(animType, AnimationProperties::fromFlags(AnimationFlags::propagateHead));
+                participant->playAnimation(animType);
             }
         }
     }

src/engine/game/gui/ingame/character.cpp

@@ -180,8 +180,8 @@ shared_ptr<ModelSceneNode> CharacterMenu::getSceneModel(SceneGraph &sceneGraph)
     character->loadAppearance();
     character->updateModelAnimation();
 
-    auto sceneModel = make_shared<ModelSceneNode>(ModelUsage::GUI, Models::instance().get("charmain_light"), &sceneGraph);
-    sceneModel->attach("charmain_light", character->getModelSceneNode());
+    auto sceneModel = make_shared<ModelSceneNode>(Models::instance().get("charmain_light"), ModelUsage::GUI, &sceneGraph);
+    sceneModel->attach("charmain_light", character->sceneNode());
 
     return move(sceneModel);
 }

src/engine/game/gui/mainmenu.cpp

@@ -127,9 +127,8 @@ void MainMenu::setup3DView() {
 }
 
 shared_ptr<ModelSceneNode> MainMenu::getKotorModel(SceneGraph &sceneGraph) {
-    auto model = make_shared<ModelSceneNode>(ModelUsage::GUI, Models::instance().get("mainmenu"), &sceneGraph);
-    model->animator().playAnimation("default", AnimationProperties::fromFlags(AnimationFlags::loop));
-
+    auto model = make_shared<ModelSceneNode>(Models::instance().get("mainmenu"), ModelUsage::GUI, &sceneGraph);
+    model->playAnimation("default", AnimationProperties::fromFlags(AnimationFlags::loop));
     return move(model);
 }
 

src/engine/game/object/area.cpp

@@ -117,17 +117,17 @@ void Area::loadLYT() {
         if (!model) continue;
 
         glm::vec3 position(lytRoom.position.x, lytRoom.position.y, lytRoom.position.z);
-        shared_ptr<Walkmesh> walkmesh(Walkmeshes::instance().get(lytRoom.name, ResourceType::Wok));
 
-        auto sceneNode = make_shared<ModelSceneNode>(ModelUsage::Room, model, &_game->sceneGraph());
-        sceneNode->setWalkmesh(walkmesh);
+        auto sceneNode = make_shared<ModelSceneNode>(model, ModelUsage::Room, &_game->sceneGraph());
         sceneNode->setLocalTransform(glm::translate(glm::mat4(1.0f), position));
         for (auto &anim : model->getAnimationNames()) {
             if (boost::starts_with(anim, "animloop")) {
-                sceneNode->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loopOverlay));
+                sceneNode->playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loopOverlay));
             }
         }
 
+        shared_ptr<Walkmesh> walkmesh(Walkmeshes::instance().get(lytRoom.name, ResourceType::Wok));
+
         auto room = make_unique<Room>(lytRoom.name, position, sceneNode, walkmesh);
         _rooms.insert(make_pair(room->name(), move(room)));
     }
@@ -181,20 +181,20 @@ void Area::initCameras(const glm::vec3 &entryPosition, float entryFacing) {
 
     SceneGraph *sceneGraph = &_game->sceneGraph();
 
-    _firstPersonCamera = make_unique<FirstPersonCamera>(sceneGraph, _cameraAspect, glm::radians(kDefaultFieldOfView));
+    _firstPersonCamera = make_unique<FirstPersonCamera>(_cameraAspect, glm::radians(kDefaultFieldOfView), sceneGraph);
     _firstPersonCamera->setPosition(position);
     _firstPersonCamera->setFacing(entryFacing);
 
-    _thirdPersonCamera = make_unique<ThirdPersonCamera>(_game, sceneGraph, _cameraAspect, _camStyleDefault);
+    _thirdPersonCamera = make_unique<ThirdPersonCamera>(_cameraAspect, _camStyleDefault, _game, sceneGraph);
     _thirdPersonCamera->setFindObstacle(bind(&Area::getCameraObstacle, this, _1, _2, _3));
     _thirdPersonCamera->setTargetPosition(position);
     _thirdPersonCamera->setFacing(entryFacing);
 
-    _dialogCamera = make_unique<DialogCamera>(sceneGraph, _camStyleDefault, _cameraAspect);
+    _dialogCamera = make_unique<DialogCamera>(_cameraAspect, _camStyleDefault, sceneGraph);
     _dialogCamera->setFindObstacle(bind(&Area::getCameraObstacle, this, _1, _2, _3));
 
-    _animatedCamera = make_unique<AnimatedCamera>(sceneGraph, _cameraAspect);
-    _staticCamera = make_unique<StaticCamera>(sceneGraph, _cameraAspect);
+    _animatedCamera = make_unique<AnimatedCamera>(_cameraAspect, sceneGraph);
+    _staticCamera = make_unique<StaticCamera>(_cameraAspect, sceneGraph);
 }
 
 void Area::add(const shared_ptr<SpatialObject> &object) {
@@ -232,7 +232,7 @@ void Area::doDestroyObject(uint32_t objectId) {
         }
     }
     {
-        shared_ptr<ModelSceneNode> sceneNode(object->getModelSceneNode());
+        auto sceneNode = object->sceneNode();
         if (sceneNode) {
             _game->sceneGraph().removeRoot(sceneNode);
         }
@@ -358,10 +358,12 @@ bool Area::handleKeyDown(const SDL_KeyboardEvent &event) {
 }
 
 void Area::printDebugInfo(const SpatialObject &object) {
+    auto model = static_pointer_cast<ModelSceneNode>(object.sceneNode());
+
     ostringstream ss;
     ss << boost::format("tag='%s'") % object.tag();
     ss << boost::format(",pos=[%0.2f,%0.2f,%0.2f]") % object.position().x % object.position().y % object.position().z;
-    ss << boost::format(",model='%s'") % object.getModelSceneNode()->getName();
+    ss << boost::format(",model='%s'") % model->model()->name();
 
     debug("Selected object: " + ss.str());
 }
@@ -528,7 +530,7 @@ void Area::fill(SceneGraph &sceneGraph) {
         shared_ptr<ModelNode> aabbNode(sceneNode->model()->getAABBNode());
         if (aabbNode && _grass.texture) {
             glm::mat4 aabbTransform(glm::translate(aabbNode->absoluteTransform(), room.second->position()));
-            auto grass = make_shared<GrassSceneNode>(&sceneGraph, glm::vec2(_grass.quadSize), _grass.texture, aabbNode->mesh()->lightmap);
+            auto grass = make_shared<GrassSceneNode>(room.first, glm::vec2(_grass.quadSize), _grass.texture, aabbNode->mesh()->lightmap, &sceneGraph);
             for (auto &material : Surfaces::instance().getGrassSurfaceIndices()) {
                 for (auto &face : aabbNode->getFacesByMaterial(material)) {
                     vector<glm::vec3> vertices(aabbNode->mesh()->mesh->getTriangleCoords(face));
@@ -537,7 +539,7 @@ void Area::fill(SceneGraph &sceneGraph) {
                         glm::vec3 baryPosition(getRandomBarycentric());
                         glm::vec3 position(aabbTransform * glm::vec4(barycentricToCartesian(vertices[0], vertices[1], vertices[2], baryPosition), 1.0f));
                         glm::vec2 lightmapUV(aabbNode->mesh()->mesh->getTriangleTexCoords2(face, baryPosition));
-                        GrassCluster cluster;
+                        GrassSceneNode::Cluster cluster;
                         cluster.position = move(position);
                         cluster.variant = getRandomGrassVariant();
                         cluster.lightmapUV = move(lightmapUV);
@@ -644,13 +646,14 @@ void Area::update3rdPersonCameraTarget() {
     shared_ptr<SpatialObject> partyLeader(_game->party().getLeader());
     if (!partyLeader) return;
 
-    glm::vec3 position;
+    glm::vec3 position(partyLeader->position());
 
-    if (partyLeader->getModelSceneNode()->getNodeAbsolutePosition("camerahook", position)) {
-        position += partyLeader->position();
-    } else {
-        position = partyLeader->position();
+    auto model = static_pointer_cast<ModelSceneNode>(partyLeader->sceneNode());
+    shared_ptr<ModelNode> cameraHook(model->model()->getNodeByName("camerahook"));
+    if (cameraHook) {
+        position += cameraHook->restPosition();
     }
+
     _thirdPersonCamera->setTargetPosition(position);
 }
 
@@ -832,7 +835,7 @@ shared_ptr<Object> Area::createObject(ObjectType type, const string &blueprintRe
     auto spatial = dynamic_pointer_cast<SpatialObject>(object);
     if (spatial) {
         add(spatial);
-        auto model = spatial->getModelSceneNode();
+        auto model = spatial->sceneNode();
         if (model) {
             _game->sceneGraph().addRoot(model);
         }

src/engine/game/object/area_collision.cpp

@@ -39,7 +39,7 @@ bool Area::testElevationAt(const glm::vec2 &point, float &z, int &material, Room
 
     // Test non-walkable faces of object walkmeshes
     for (auto &o : _objects) {
-        shared_ptr<ModelSceneNode> model(o->getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(o->sceneNode());
         shared_ptr<Walkmesh> walkmesh(o->getWalkmesh());
         if (!model || !walkmesh) continue;
 
@@ -94,7 +94,7 @@ shared_ptr<SpatialObject> Area::getObjectAt(int x, int y) const {
         // Skip non-selectable objects and party leader
         if (!o->isSelectable() || o == partyLeader) continue;
 
-        shared_ptr<ModelSceneNode> model(o->getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(o->sceneNode());
         if (!model) continue;
 
         // Distance to object must not exceed maximum collision distance
@@ -124,7 +124,7 @@ bool Area::getCameraObstacle(const glm::vec3 &start, const glm::vec3 &end, glm::
     for (auto &o : _objects) {
         if (o->type() != ObjectType::Door) continue;
 
-        shared_ptr<ModelSceneNode> model(o->getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(o->sceneNode());
         if (!model) continue;
 
         // Distance to object must not exceed maximum collision distance
@@ -202,7 +202,7 @@ bool Area::isInLineOfSight(const Creature &subject, const SpatialObject &target)
     for (auto &o : _objects) {
         if (o->type() != ObjectType::Door) continue;
 
-        shared_ptr<ModelSceneNode> model(o->getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(o->sceneNode());
         if (!model) continue;
 
         // Distance to object must not exceed maximum collision distance

src/engine/game/object/creature.cpp

@@ -56,7 +56,6 @@ namespace game {
 
 static constexpr int kStrRefRemains = 38151;
 
-static string g_headHookNode("headhook");
 static string g_talkDummyNode("talkdummy");
 
 Creature::Creature(
@@ -117,7 +116,6 @@ void Creature::updateModel() {
     if (model) {
         model->setCullable(true);
         model->setDrawDistance(32.0f);
-        _headModel = model->getAttachedModel(g_headHookNode);
         if (!_stunt) {
             model->setLocalTransform(_transform);
         }
@@ -158,11 +156,11 @@ void Creature::update(float dt) {
 }
 
 void Creature::updateModelAnimation() {
-    shared_ptr<ModelSceneNode> model(getModelSceneNode());
+    auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
     if (!model) return;
 
     if (_animFireForget) {
-        if (!model->animator().isAnimationFinished()) return;
+        if (!model->isAnimationFinished()) return;
 
         _animFireForget = false;
         _animDirty = true;
@@ -197,20 +195,10 @@ void Creature::updateModelAnimation() {
     }
 
     if (talkAnim) {
-        int addFlags = _lipAnimation ? AnimationFlags::syncLipAnim : 0;
-        if (_headModel) {
-            model->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loop));
-            _headModel->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loop));
-            _headModel->animator().playAnimation(talkAnim, AnimationProperties::fromFlags(AnimationFlags::loopOverlay | addFlags), _lipAnimation);
-        } else {
-            model->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loop));
-            model->animator().playAnimation(talkAnim, AnimationProperties::fromFlags(AnimationFlags::loopOverlay | addFlags), _lipAnimation);
-        }
+        model->playAnimation(anim, nullptr, AnimationProperties::fromFlags(AnimationFlags::loopOverlay | AnimationFlags::propagate));
+        model->playAnimation(talkAnim, _lipAnimation, AnimationProperties::fromFlags(AnimationFlags::loopOverlay | AnimationFlags::propagate));
     } else {
-        model->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loopBlend));
-        if (_headModel) {
-            _headModel->animator().playAnimation(anim, AnimationProperties::fromFlags(AnimationFlags::loopBlend));
-        }
+        model->playAnimation(anim, nullptr, AnimationProperties::fromFlags(AnimationFlags::loopBlend | AnimationFlags::propagate));
     }
 
     _animDirty = false;
@@ -255,20 +243,12 @@ void Creature::playAnimation(const string &name, AnimationProperties properties,
     bool fireForget = !(properties.flags & AnimationFlags::loop);
 
     doPlayAnimation(fireForget, [&]() {
-        shared_ptr<ModelSceneNode> model(getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
         if (!model) return;
 
         _animAction = actionToComplete;
 
-        // Extract "propagate to head model" flag
-        bool propagateHead = properties.flags & AnimationFlags::propagateHead;
-        properties.flags &= ~AnimationFlags::propagateHead;
-
-        model->animator().playAnimation(name, properties);
-        
-        if (propagateHead && _headModel) {
-            _headModel->animator().playAnimation(name, move(properties));
-        }
+        model->playAnimation(name, properties);
     });
 }
 
@@ -286,18 +266,10 @@ void Creature::playAnimation(const shared_ptr<Animation> &anim, AnimationPropert
     bool fireForget = !(properties.flags & AnimationFlags::loop);
 
     doPlayAnimation(fireForget, [&]() {
-        shared_ptr<ModelSceneNode> model(getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
         if (!model) return;
 
-        // Extract propagate to head model flag
-        bool propagateHead = properties.flags & AnimationFlags::propagateHead;
-        properties.flags &= ~AnimationFlags::propagateHead;
-
-        model->animator().playAnimation(anim, properties);
-
-        if (propagateHead && _headModel) {
-            _headModel->animator().playAnimation(anim, move(properties));
-        }
+        model->playAnimation(anim, nullptr, properties);
     });
 }
 
@@ -332,13 +304,12 @@ bool Creature::equip(int slot, const shared_ptr<Item> &item) {
     if (_sceneNode) {
         updateModel();
 
-        shared_ptr<ModelSceneNode> model(getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
         if (model) {
             if (slot == InventorySlot::rightWeapon) {
-                shared_ptr<ModelSceneNode> weapon(model->getAttachedModel("rhand"));
+                auto weapon = static_pointer_cast<ModelSceneNode>(model->getAttachment("rhand"));
                 if (weapon && weapon->model()->classification() == Model::Classification::Lightsaber) {
-                    weapon->animator().setDefaultAnimation("powered", AnimationProperties::fromFlags(AnimationFlags::loop));
-                    weapon->animator().playAnimation("powerup");
+                    weapon->playAnimation("powerup");
                 }
             }
         }
@@ -415,18 +386,15 @@ void Creature::clearPath() {
 }
 
 glm::vec3 Creature::getSelectablePosition() const {
-    shared_ptr<ModelSceneNode> model(getModelSceneNode());
+    auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
     if (!model) return _position;
+    if (_dead) return model->getWorldCenterOfAABB();
 
-    if (_dead) return model->getWorldCenterAABB();
+    shared_ptr<ModelNode> talkDummy(model->model()->getNodeByName(g_talkDummyNode));
 
-    glm::vec3 position;
-
-    if (model->getNodeAbsolutePosition(g_talkDummyNode, position)) {
-        return model->absoluteTransform() * glm::vec4(position, 1.0f);
-    }
-
-    return model->getWorldCenterAABB();
+    return talkDummy ?
+        (_transform * talkDummy->absoluteTransform())[3] :
+        model->getWorldCenterOfAABB();
 }
 
 float Creature::getAttackRange() const {

src/engine/game/object/creature.h

@@ -22,11 +22,12 @@
 #include <set>
 
 #include "../../audio/stream.h"
-#include "../../graphics/lip/lipanimation.h"
+#include "../../graphics/lip/animation.h"
 #include "../../resource/format/2dareader.h"
 #include "../../resource/format/gffreader.h"
 #include "../../resource/types.h"
-#include "../../scene/animation/eventlistener.h"
+#include "../../scene/animeventlistener.h"
+#include "../../scene/node/modelnode.h"
 #include "../../script/types.h"
 
 #include "../d20/attributes.h"
@@ -226,7 +227,6 @@ private:
     Gender _gender { Gender::Male };
     int _appearance { 0 };
     ModelType _modelType { ModelType::Creature };
-    std::shared_ptr<scene::ModelSceneNode> _headModel;
     std::shared_ptr<graphics::Texture> _portrait;
     std::map<int, std::shared_ptr<Item>> _equipment;
     std::shared_ptr<Path> _path;

src/engine/game/object/creature_appearance.cpp

@@ -42,15 +42,17 @@ namespace game {
 
 static const string g_headHookNode("headhook");
 static const string g_maskHookNode("gogglehook");
+static const string g_rightHandNode("rhand");
+static const string g_leftHandNode("lhand");
 
 shared_ptr<ModelSceneNode> Creature::buildModel() {
-    string modelName(getBodyModelName());
-    if (modelName.empty()) return nullptr;
+    string bodyModelName(getBodyModelName());
+    if (bodyModelName.empty()) return nullptr;
 
-    shared_ptr<Model> model(Models::instance().get(modelName));
-    if (!model) return nullptr;
+    shared_ptr<Model> bodyModel(Models::instance().get(bodyModelName));
+    if (!bodyModel) return nullptr;
 
-    auto modelSceneNode = make_unique<ModelSceneNode>(ModelUsage::Creature, model, _sceneGraph, set<string>(), this);
+    auto bodySceneNode = make_unique<ModelSceneNode>(bodyModel, ModelUsage::Creature, _sceneGraph, this);
 
     // Body texture
 
@@ -58,7 +60,7 @@ shared_ptr<ModelSceneNode> Creature::buildModel() {
     if (!bodyTextureName.empty()) {
         shared_ptr<Texture> texture(Textures::instance().get(bodyTextureName, TextureUsage::Diffuse));
         if (texture) {
-            modelSceneNode->setDiffuseTexture(texture);
+            bodySceneNode->setDiffuseTexture(texture);
         }
     }
 
@@ -76,34 +78,42 @@ shared_ptr<ModelSceneNode> Creature::buildModel() {
     if (!headModelName.empty()) {
         shared_ptr<Model> headModel(Models::instance().get(headModelName));
         if (headModel) {
-            shared_ptr<ModelSceneNode> headSceneNode(modelSceneNode->attach(g_headHookNode, headModel, ModelUsage::Creature));
-            if (headSceneNode && maskModel) {
-                headSceneNode->attach(g_maskHookNode, maskModel, ModelUsage::Equipment);
+            shared_ptr<ModelNode> headHook(bodyModel->getNodeByName(g_headHookNode));
+            if (headHook) {
+                auto headSceneNode = make_shared<ModelSceneNode>(headModel, ModelUsage::Creature, _sceneGraph, this);
+                headSceneNode->setInanimateNodes(bodyModel->getAncestorNodes(headHook->id()));
+                bodySceneNode->attach(headHook->id(), headSceneNode);
+                if (maskModel) {
+                    auto maskSceneNode = make_shared<ModelSceneNode>(maskModel, ModelUsage::Equipment, _sceneGraph, this);
+                    headSceneNode->attach(g_maskHookNode, maskSceneNode);
+                }
             }
         }
     }
 
-    // Left weapon
-
-    string leftWeaponModelName(getWeaponModelName(InventorySlot::leftWeapon));
-    if (!leftWeaponModelName.empty()) {
-        shared_ptr<Model> leftWeaponModel(Models::instance().get(leftWeaponModelName));
-        if (leftWeaponModel) {
-            modelSceneNode->attach("lhand", leftWeaponModel, ModelUsage::Equipment);
-        }
-    }
-
     // Right weapon
 
     string rightWeaponModelName(getWeaponModelName(InventorySlot::rightWeapon));
     if (!rightWeaponModelName.empty()) {
-        shared_ptr<Model> rightWeaponModel(Models::instance().get(rightWeaponModelName));
-        if (rightWeaponModel) {
-            modelSceneNode->attach("rhand", rightWeaponModel, ModelUsage::Equipment);
+        shared_ptr<Model> weaponModel(Models::instance().get(rightWeaponModelName));
+        if (weaponModel) {
+            auto weaponSceneNode = make_shared<ModelSceneNode>(weaponModel, ModelUsage::Equipment, _sceneGraph, this);
+            bodySceneNode->attach(g_rightHandNode, move(weaponSceneNode));
         }
     }
 
-    return move(modelSceneNode);
+    // Left weapon
+
+    string leftWeaponModelName(getWeaponModelName(InventorySlot::leftWeapon));
+    if (!leftWeaponModelName.empty()) {
+        shared_ptr<Model> weaponModel(Models::instance().get(leftWeaponModelName));
+        if (weaponModel) {
+            auto weaponSceneNode = make_shared<ModelSceneNode>(weaponModel, ModelUsage::Equipment, _sceneGraph, this);
+            bodySceneNode->attach(g_leftHandNode, move(weaponSceneNode));
+        }
+    }
+
+    return move(bodySceneNode);
 }
 
 string Creature::getBodyModelName() const {

src/engine/game/object/door.cpp

@@ -68,7 +68,7 @@ void Door::loadFromBlueprint(const string &resRef) {
     shared_ptr<TwoDA> doors(Resources::instance().get2DA("genericdoors"));
     string modelName(boost::to_lower_copy(doors->getString(_genericType, "modelname")));
 
-    auto model = make_unique<ModelSceneNode>(ModelUsage::Door, Models::instance().get(modelName), _sceneGraph);
+    auto model = make_unique<ModelSceneNode>(Models::instance().get(modelName), ModelUsage::Door, _sceneGraph);
     model->setCullable(true);
     model->setDrawDistance(FLT_MAX);
     _sceneNode = move(model);
@@ -93,19 +93,19 @@ bool Door::isSelectable() const {
 }
 
 void Door::open(const shared_ptr<Object> &triggerrer) {
-    shared_ptr<ModelSceneNode> model(getModelSceneNode());
+    auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
     if (model) {
-        model->animator().setDefaultAnimation("opened1", AnimationProperties::fromFlags(AnimationFlags::loop));
-        model->animator().playAnimation("opening1");
+        //model->setDefaultAnimation("opened1", AnimationProperties::fromFlags(AnimationFlags::loop));
+        model->playAnimation("opening1");
     }
     _open = true;
 }
 
 void Door::close(const shared_ptr<Object> &triggerrer) {
-    shared_ptr<ModelSceneNode> model(getModelSceneNode());
+    auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
     if (model) {
-        model->animator().setDefaultAnimation("closed", AnimationProperties::fromFlags(AnimationFlags::loop));
-        model->animator().playAnimation("closing1");
+        //model->setDefaultAnimation("closed", AnimationProperties::fromFlags(AnimationFlags::loop));
+        model->playAnimation("closing1");
     }
     _open = false;
 }

src/engine/game/object/placeable.cpp

@@ -62,7 +62,7 @@ void Placeable::loadFromBlueprint(const string &resRef) {
     shared_ptr<TwoDA> placeables(Resources::instance().get2DA("placeables"));
     string modelName(boost::to_lower_copy(placeables->getString(_appearance, "modelname")));
 
-    auto model = make_shared<ModelSceneNode>(ModelUsage::Placeable, Models::instance().get(modelName), _sceneGraph);
+    auto model = make_shared<ModelSceneNode>(Models::instance().get(modelName), ModelUsage::Placeable, _sceneGraph);
     model->setCullable(true);
     model->setDrawDistance(64.0f);
     _sceneNode = move(model);

src/engine/game/object/spatial.cpp

@@ -118,10 +118,9 @@ float SpatialObject::getDistanceTo2(const SpatialObject &other) const {
 }
 
 bool SpatialObject::contains(const glm::vec3 &point) const {
-    auto model = getModelSceneNode();
-    if (!model) return false;
+    if (!_sceneNode) return false;
 
-    const AABB &aabb = model->model()->aabb();
+    const AABB &aabb = _sceneNode->aabb();
 
     return (aabb * _transform).contains(point);
 }
@@ -133,13 +132,15 @@ void SpatialObject::face(const SpatialObject &other) {
 }
 
 void SpatialObject::face(const glm::vec3 &point) {
+    if (point == _position) return;
+
     glm::vec2 dir(glm::normalize(point - _position));
     _orientation = glm::quat(glm::vec3(0.0f, 0.0f, -glm::atan(dir.x, dir.y)));
     updateTransform();
 }
 
 void SpatialObject::faceAwayFrom(const SpatialObject &other) {
-    if (_id == other._id) return;
+    if (_id == other._id || _position == other.position()) return;
 
     glm::vec2 dir(glm::normalize(_position - other.position()));
     _orientation = glm::quat(glm::vec3(0.0f, 0.0f, -glm::atan(dir.x, dir.y)));
@@ -214,19 +215,13 @@ bool SpatialObject::isSelectable() const {
     return false;
 }
 
-shared_ptr<ModelSceneNode> SpatialObject::getModelSceneNode() const {
-    if (!_sceneNode || _sceneNode->type() != SceneNodeType::Model) return nullptr;
-
-    return static_pointer_cast<ModelSceneNode>(_sceneNode);
-}
-
 shared_ptr<Walkmesh> SpatialObject::getWalkmesh() const {
     return nullptr;
 }
 
 glm::vec3 SpatialObject::getSelectablePosition() const {
-    auto model = getModelSceneNode();
-    return model ? model->getWorldCenterAABB() : _position;
+    auto model = static_pointer_cast<ModelSceneNode>(_sceneNode);
+    return model ? model->getWorldCenterOfAABB() : _position;
 }
 
 void SpatialObject::setRoom(Room *room) {

src/engine/game/object/spatial.h

@@ -23,11 +23,13 @@
 
 #include "object.h"
 
+#include "glm/gtc/quaternion.hpp"
 #include "glm/mat4x4.hpp"
 #include "glm/vec3.hpp"
 
 #include "../../graphics/walkmesh/walkmesh.h"
-#include "../../scene/node/modelnode.h"
+#include "../../scene/animproperties.h"
+#include "../../scene/node/scenenode.h"
 
 #include "../action/playanimation.h"
 #include "../enginetype/effect.h"
@@ -66,7 +68,6 @@ public:
     virtual glm::vec3 getSelectablePosition() const;
     float getFacing() const { return glm::eulerAngles(_orientation).z; }
 
-    std::shared_ptr<scene::ModelSceneNode> getModelSceneNode() const;
     virtual std::shared_ptr<graphics::Walkmesh> getWalkmesh() const;
 
     ObjectFactory &objectFactory() { return *_objectFactory; }

src/engine/game/objectselect.cpp

@@ -90,7 +90,7 @@ vector<shared_ptr<SpatialObject>> ObjectSelector::getSelectableObjects() const {
     for (auto &object : _area->objects()) {
         if (!object->isSelectable() || object.get() == partyLeader.get()) continue;
 
-        shared_ptr<ModelSceneNode> model(object->getModelSceneNode());
+        auto model = static_pointer_cast<ModelSceneNode>(object->sceneNode());
         if (!model || !model->isVisible()) continue;
 
         float dist2 = object->getDistanceTo2(origin);

src/engine/graphics/lip/animation.cpp

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include "lipanimation.h"
+#include "animation.h"
 
 #include <stdexcept>
 

src/engine/graphics/lip/lipreader.h

@@ -19,7 +19,7 @@
 
 #include "../../resource/format/binreader.h"
 
-#include "lipanimation.h"
+#include "animation.h"
 
 namespace reone {
 

src/engine/graphics/lip/lips.h

@@ -21,7 +21,7 @@
 
 #include "../../common/cache.h"
 
-#include "lipanimation.h"
+#include "animation.h"
 
 namespace reone {
 

src/engine/graphics/lip/lipwriter.h

@@ -21,7 +21,7 @@
 
 #include <boost/filesystem/path.hpp>
 
-#include "lipanimation.h"
+#include "animation.h"
 
 namespace reone {
 

src/engine/graphics/model/animation.cpp

@@ -17,7 +17,7 @@
 
 #include "animation.h"
 
-#include <queue>
+#include <stack>
 
 #include "../../common/collectionutil.h"
 
@@ -32,7 +32,7 @@ Animation::Animation(
     float length,
     float transitionTime,
     shared_ptr<ModelNode> rootNode,
-    vector<Event> &&events
+    vector<Event> events
 ) :
     _name(move(name)),
     _length(length),
@@ -44,13 +44,14 @@ Animation::Animation(
 }
 
 void Animation::fillNodeByName() {
-    queue<shared_ptr<ModelNode>> nodes;
+    stack<shared_ptr<ModelNode>> nodes;
     nodes.push(_rootNode);
 
     while (!nodes.empty()) {
-        shared_ptr<ModelNode> node(nodes.front());
+        shared_ptr<ModelNode> node(nodes.top());
         nodes.pop();
 
+        _nodeById.insert(make_pair(node->id(), node));
         _nodeByName.insert(make_pair(node->name(), node));
 
         for (auto &child : node->children()) {
@@ -59,6 +60,10 @@ void Animation::fillNodeByName() {
     }
 }
 
+shared_ptr<ModelNode> Animation::getNodeById(uint16_t nodeId) const {
+    return getFromLookupOrNull(_nodeById, nodeId);
+}
+
 shared_ptr<ModelNode> Animation::getNodeByName(const string &name) const {
     return getFromLookupOrNull(_nodeByName, name);
 }

src/engine/graphics/model/animation.h

@@ -27,8 +27,6 @@ namespace reone {
 
 namespace graphics {
 
-class MdlReader;
-
 class Animation : boost::noncopyable {
 public:
     struct Event {
@@ -41,8 +39,9 @@ public:
         float length,
         float transitionTime,
         std::shared_ptr<ModelNode> rootNode,
-        std::vector<Event> &&events);
+        std::vector<Event> events);
 
+    std::shared_ptr<ModelNode> getNodeById(uint16_t nodeId) const;
     std::shared_ptr<ModelNode> getNodeByName(const std::string &name) const;
 
     const std::string &name() const { return _name; }
@@ -58,6 +57,7 @@ private:
     std::shared_ptr<ModelNode> _rootNode;
     std::vector<Event> _events;
 
+    std::unordered_map<uint16_t, std::shared_ptr<ModelNode>> _nodeById;
     std::unordered_map<std::string, std::shared_ptr<ModelNode>> _nodeByName;
 
     void fillNodeByName();

src/engine/graphics/model/mdlreader.cpp

@@ -40,7 +40,7 @@ static constexpr int kMdlDataOffset = 12;
 static constexpr uint32_t kFunctionPtrTslPC = 4285200;
 static constexpr uint32_t kFunctionPtrTslXbox = 4285872;
 
-// Classificaiton
+// Classification
 
 static unordered_map<uint8_t, Model::Classification> g_classifications {
     { 0, Model::Classification::Other },
@@ -712,7 +712,12 @@ unique_ptr<Animation> MdlReader::readAnimation(uint32_t offset) {
         sort(events.begin(), events.end(), [](auto &left, auto &right) { return left.time < right.time; });
     }
 
-    return make_unique<Animation>(move(name), length, transitionTime, move(rootNode), move(events));
+    return make_unique<Animation>(
+        move(name),
+        length,
+        transitionTime,
+        move(rootNode),
+        move(events));
 }
 
 } // namespace graphics

src/engine/graphics/model/model.cpp

@@ -100,6 +100,33 @@ void Model::addAnimation(shared_ptr<Animation> animation) {
     _animations.insert(make_pair(animation->name(), move(animation)));
 }
 
+shared_ptr<ModelNode> Model::getNodeById(uint16_t nodeId) const {
+    return getFromLookupOrNull(_nodeById, nodeId);
+}
+
+shared_ptr<ModelNode> Model::getNodeByName(const string &name) const {
+    return getFromLookupOrNull(_nodeByName, name);
+}
+
+shared_ptr<ModelNode> Model::getAABBNode() const {
+    for (auto &node : _nodeById) {
+        if (node.second->isAABBMesh()) return node.second;
+    }
+    return nullptr;
+}
+
+shared_ptr<Animation> Model::getAnimation(const string &name) const {
+    auto maybeAnim = _animations.find(name);
+    if (maybeAnim != _animations.end()) return maybeAnim->second;
+
+    shared_ptr<Animation> anim;
+    if (_superModel) {
+        anim = _superModel->getAnimation(name);
+    }
+
+    return move(anim);
+}
+
 vector<string> Model::getAnimationNames() const {
     vector<string> result;
 
@@ -116,30 +143,17 @@ vector<string> Model::getAnimationNames() const {
     return move(result);
 }
 
-shared_ptr<Animation> Model::getAnimation(const string &name) const {
-    auto maybeAnim = _animations.find(name);
-    if (maybeAnim != _animations.end()) return maybeAnim->second;
+set<uint16_t> Model::getAncestorNodes(uint16_t parentId) const {
+    set<uint16_t> result;
 
-    shared_ptr<Animation> anim;
-    if (_superModel) {
-        anim = _superModel->getAnimation(name);
-    }
-    if (!anim) {
-        debug(boost::format("Model animation not found: '%s' '%s'") % name % _name, 2);
+    auto maybeParent = _nodeById.find(parentId);
+    if (maybeParent != _nodeById.end()) {
+        for (const ModelNode *node = maybeParent->second->parent(); node; node = node->parent()) {
+            result.insert(node->id());
+        }
     }
 
-    return move(anim);
-}
-
-shared_ptr<ModelNode> Model::getNodeByName(const string &name) const {
-    return getFromLookupOrNull(_nodeByName, name);
-}
-
-shared_ptr<ModelNode> Model::getAABBNode() const {
-    for (auto &node : _nodeById) {
-        if (node.second->isAABBMesh()) return node.second;
-    }
-    return nullptr;
+    return move(result);
 }
 
 } // namespace graphics

src/engine/graphics/model/model.h

@@ -17,6 +17,7 @@
 
 #pragma once
 
+#include <set>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ -63,10 +64,12 @@ public:
 
     bool isAffectedByFog() const { return _affectedByFog; }
 
-    std::vector<std::string> getAnimationNames() const;
-    std::shared_ptr<Animation> getAnimation(const std::string &name) const;
+    std::shared_ptr<ModelNode> getNodeById(uint16_t nodeId) const;
     std::shared_ptr<ModelNode> getNodeByName(const std::string &name) const;
     std::shared_ptr<ModelNode> getAABBNode() const;
+    std::shared_ptr<Animation> getAnimation(const std::string &name) const;
+    std::vector<std::string> getAnimationNames() const;
+    std::set<uint16_t> getAncestorNodes(uint16_t parentId) const;
 
     const std::string &name() const { return _name; }
     Classification classification() const { return _classification; }

src/engine/graphics/model/modelnode.h

@@ -155,36 +155,14 @@ public:
             Lighten
         };
 
-        template <class T>
-        struct Constraints {
-            T start;
-            T mid;
-            T end;
-        };
-
         UpdateMode updateMode { UpdateMode::Invalid };
         RenderMode renderMode { RenderMode::Invalid };
         BlendMode blendMode { BlendMode::Invalid };
-        int renderOrder { 0 };
-
         std::shared_ptr<Texture> texture;
         int gridWidth { 0 };
         int gridHeight { 0 };
-        int frameStart { 0 };
-        int frameEnd { 0 };
-
-        glm::vec2 size { 0.0f };
-        float birthrate { 0.0f }; /**< rate of particle birth per second */
-        float lifeExpectancy { 0.0f }; /**< life of each particle in seconds */
-        float velocity { 0.0f };
-        float randomVelocity { 0.0f };
-        float spread { 0.0f };
+        int renderOrder { 0 };
         bool loop { false };
-        float fps { 0.0f };
-
-        Constraints<float> particleSize;
-        Constraints<glm::vec3> color;
-        Constraints<float> alpha;
     };
 
     struct Reference {
@@ -225,6 +203,10 @@ public:
 
     // Specialization
 
+    bool isMesh() const { return static_cast<bool>(_mesh); }
+    bool isLight() const { return static_cast<bool>(_light); }
+    bool isEmitter() const { return static_cast<bool>(_emitter); }
+    bool isReference() const { return static_cast<bool>(_reference); }
     bool isSkinMesh() const { return _mesh && _mesh->skin; }
     bool isDanglyMesh() const { return _mesh && _mesh->danglyMesh; }
     bool isAABBMesh() const { return _mesh && _mesh->aabbTree; }

src/engine/graphics/pixelutil.cpp

@@ -45,10 +45,6 @@ uint32_t getInternalPixelFormatGL(PixelFormat format) {
             return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
         case PixelFormat::Depth:
             return GL_DEPTH_COMPONENT;
-        case PixelFormat::RG16F:
-            return GL_RG16F;
-        case PixelFormat::RGB16F:
-            return GL_RGB16F;
         default:
             throw logic_error("Unsupported pixel format: " + to_string(static_cast<int>(format)));
     }

src/engine/graphics/texture/texture.cpp

@@ -181,8 +181,6 @@ void Texture::fillTarget(uint32_t target, int level, int width, int height, cons
         case PixelFormat::BGR:
         case PixelFormat::BGRA:
         case PixelFormat::Depth:
-        case PixelFormat::RG16F:
-        case PixelFormat::RGB16F:
             glTexImage2D(target, level, getInternalPixelFormatGL(_pixelFormat), width, height, 0, getPixelFormatGL(), getPixelTypeGL(), pixels);
             break;
         default:
@@ -195,7 +193,6 @@ uint32_t Texture::getPixelFormatGL() const {
         case PixelFormat::Grayscale:
             return GL_RED;
         case PixelFormat::RGB:
-        case PixelFormat::RGB16F:
             return GL_RGB;
         case PixelFormat::RGBA:
         case PixelFormat::DXT1:
@@ -207,8 +204,6 @@ uint32_t Texture::getPixelFormatGL() const {
             return GL_BGRA;
         case PixelFormat::Depth:
             return GL_DEPTH_COMPONENT;
-        case PixelFormat::RG16F:
-            return GL_RG;
         default:
             throw logic_error("Unsupported pixel format: " + to_string(static_cast<int>(_pixelFormat)));
     }
@@ -223,8 +218,6 @@ uint32_t Texture::getPixelTypeGL() const {
         case PixelFormat::BGRA:
             return GL_UNSIGNED_BYTE;
         case PixelFormat::Depth:
-        case PixelFormat::RG16F:
-        case PixelFormat::RGB16F:
             return GL_FLOAT;
         default:
             throw logic_error("Unsupported pixel format: " + to_string(static_cast<int>(_pixelFormat)));

src/engine/graphics/types.h

@@ -24,6 +24,10 @@ namespace reone {
 namespace graphics {
 
 constexpr int kNumCubeFaces = 6;
+
+constexpr float kDefaultClipPlaneNear = 0.1f;
+constexpr float kDefaultClipPlaneFar = 10000.0f;
+
 constexpr int kMaxBones = 128;
 constexpr int kMaxLights = 8;
 constexpr int kMaxParticles = 32;
@@ -39,10 +43,7 @@ enum class PixelFormat {
     BGRA,
     DXT1,
     DXT5,
-    Depth,
-
-    RG16F,
-    RGB16F
+    Depth
 };
 
 /**

src/engine/gui/scenebuilder.cpp

@@ -51,13 +51,16 @@ unique_ptr<SceneGraph> SceneBuilder::build() {
         _modelScale + _modelOffset.y,
         _zNear, _zFar));
 
-    auto camera = make_shared<CameraSceneNode>(scene.get(), projection, _aspect, _zNear, _zFar);
+    auto camera = make_shared<CameraSceneNode>("", projection, scene.get());
     if (_cameraNodeName.empty()) {
         camera->setLocalTransform(_cameraTransform);
     } else {
-        MeshSceneNode *modelNode = model->getModelNode(_cameraNodeName);
-        if (modelNode) {
-            camera->setLocalTransform(modelNode->absoluteTransform() * _cameraTransform);
+        shared_ptr<ModelNode> refModelNode(model->model()->getNodeByName(_cameraNodeName));
+        if (refModelNode) {
+            shared_ptr<ModelNodeSceneNode> refSceneNode(model->getNodeById(refModelNode->id()));
+            if (refSceneNode) {
+                camera->setLocalTransform(refModelNode->absoluteTransform() * _cameraTransform);
+            }
         }
     }
 

src/engine/scene/animation/channel.cpp

@@ -1,238 +0,0 @@
-/*
- * Copyright (c) 2020-2021 The reone project contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "channel.h"
-
-#include <stdexcept>
-
-#include "glm/common.hpp"
-
-#include "../node/meshnode.h"
-#include "../node/modelnode.h"
-#include "../types.h"
-
-using namespace std;
-
-using namespace reone::graphics;
-
-namespace reone {
-
-namespace scene {
-
-AnimationChannel::AnimationChannel(ModelSceneNode *sceneNode, set<string> ignoreNodes) :
-    _sceneNode(sceneNode),
-    _ignoreNodes(move(ignoreNodes)) {
-
-    if (!sceneNode) {
-        throw invalid_argument("sceneNode must not be null");
-    }
-}
-
-void AnimationChannel::reset() {
-    _animation.reset();
-    _lipAnimation.reset();
-    _time = 0.0f;
-    _freeze = false;
-    _finished = false;
-}
-
-void AnimationChannel::reset(shared_ptr<Animation> anim, AnimationProperties properties, shared_ptr<LipAnimation> lipAnim) {
-    if (!anim) {
-        throw invalid_argument("anim must not be null");
-    }
-    _animation = move(anim);
-    _properties = move(properties);
-    _lipAnimation = move(lipAnim);
-    _time = 0.0f;
-    _freeze = false;
-    _finished = false;
-}
-
-void AnimationChannel::update(float dt, bool visible) {
-    if (!_animation || _freeze || _finished) return;
-
-    float newTime, length;
-
-    if (_properties.flags & AnimationFlags::syncLipAnim) {
-        length = _lipAnimation->length();
-        newTime = glm::min(_time + dt, length);
-
-    } else {
-        length = _animation->length();
-        newTime = glm::min(_time + _properties.speed * dt, length);
-
-        // Signal animation events between the previous time and the current time
-        for (auto &event : _animation->events()) {
-            if (event.time > _time && event.time <= newTime) {
-                _sceneNode->signalEvent(event.name);
-            }
-        }
-    }
-
-    if (visible) {
-        _stateById.clear();
-        computeSceneNodeStates(*_animation->rootNode());
-    }
-
-    _time = newTime;
-
-    if (_time == length) {
-        bool loop = _properties.flags & AnimationFlags::loop;
-        bool syncLipAnim = _properties.flags & AnimationFlags::syncLipAnim;
-        if (loop && !syncLipAnim) {
-            _time = 0.0f;
-        } else {
-            _finished = true;
-        }
-    }
-}
-
-void AnimationChannel::computeSceneNodeStates(const ModelNode &animNode) {
-    if (_ignoreNodes.count(animNode.name()) == 0) {
-        MeshSceneNode *modelNodeSceneNode = _sceneNode->getModelNode(animNode.name());
-        if (modelNodeSceneNode) {
-            const ModelNode *modelNode = modelNodeSceneNode->modelNode();
-            bool transformChanged = false;
-            float scale = 1.0f;
-            glm::vec3 position(modelNode->restPosition());
-            glm::quat orientation(modelNode->restOrientation());
-
-            if (_properties.flags & AnimationFlags::syncLipAnim) {
-                uint8_t leftFrameIdx, rightFrameIdx;
-                float factor;
-                if (_lipAnimation->getKeyframes(_time, leftFrameIdx, rightFrameIdx, factor)) {
-                    float animScale;
-                    if (animNode.getScale(leftFrameIdx, rightFrameIdx, factor, animScale)) {
-                        scale = animScale;
-                        transformChanged = true;
-                    }
-                    glm::vec3 animPosiiton;
-                    if (animNode.getPosition(leftFrameIdx, rightFrameIdx, factor, animPosiiton)) {
-                        position += _properties.scale * animPosiiton;
-                        transformChanged = true;
-                    }
-                    glm::quat animOrientation;
-                    if (animNode.getOrientation(leftFrameIdx, rightFrameIdx, factor, animOrientation)) {
-                        orientation = move(animOrientation);
-                        transformChanged = true;
-                    }
-                }
-            } else {
-                float animScale;
-                if (animNode.scale().getByTime(_time, animScale)) {
-                    scale = animScale;
-                    transformChanged = true;
-                }
-                glm::vec3 animPosition;
-                if (animNode.position().getByTime(_time, animPosition)) {
-                    position += _properties.scale * animPosition;
-                    transformChanged = true;
-                }
-                glm::quat animOrientation;
-                if (animNode.orientation().getByTime(_time, animOrientation)) {
-                    orientation = move(animOrientation);
-                    transformChanged = true;
-                }
-            }
-
-            SceneNodeState state;
-            float alpha;
-            if (animNode.alpha().getByTime(_time, alpha)) {
-                state.flags |= SceneNodeStateFlags::alpha;
-                state.alpha = alpha;
-            }
-            glm::vec3 selfIllumColor;
-            if (animNode.selfIllumColor().getByTime(_time, selfIllumColor)) {
-                state.flags |= SceneNodeStateFlags::selfIllum;
-                state.selfIllumColor = move(selfIllumColor);
-            }
-            glm::vec3 lightColor;
-            if (animNode.color().getByTime(_time, lightColor)) {
-                state.flags |= SceneNodeStateFlags::lightColor;
-                state.lightColor = move(lightColor);
-            }
-            float lightMultiplier;
-            if (animNode.multiplier().getByTime(_time, lightMultiplier)) {
-                state.flags |= SceneNodeStateFlags::lightMultiplier;
-                state.lightMultiplier = lightMultiplier;
-            }
-            float lightRadius;
-            if (animNode.radius().getByTime(_time, lightRadius)) {
-                state.flags |= SceneNodeStateFlags::lightRadius;
-                state.lightRadius = lightRadius;
-            }
-            if (transformChanged) {
-                glm::mat4 transform(1.0f);
-                transform = glm::scale(transform, glm::vec3(scale));
-                transform = glm::translate(transform, position);
-                transform *= glm::mat4_cast(orientation);
-                state.flags |= SceneNodeStateFlags::transform;
-                state.transform = move(transform);
-            }
-            _stateById.insert(make_pair(modelNode->id(), move(state)));
-        }
-    }
-
-    for (auto &child : animNode.children()) {
-        computeSceneNodeStates(*child);
-    }
-}
-
-void AnimationChannel::freeze() {
-    _freeze = true;
-}
-
-bool AnimationChannel::isSameAnimation(const Animation &anim, const AnimationProperties &properties, shared_ptr<LipAnimation> lipAnim) const {
-    return _animation.get() == &anim && _properties == properties && _lipAnimation == lipAnim;
-}
-
-bool AnimationChannel::isActive() const {
-    return _animation && !_finished;
-}
-
-bool AnimationChannel::isPastTransitionTime() const {
-    return _animation && _time > _animation->transitionTime();
-}
-
-bool AnimationChannel::isFinished() const {
-    return _animation && _finished;
-}
-
-float AnimationChannel::getTransitionTime() const {
-    return _animation ? _animation->transitionTime() : 0.0f;
-}
-
-bool AnimationChannel::getSceneNodeStateById(uint16_t nodeId, SceneNodeState &state) const {
-    auto maybeState = _stateById.find(nodeId);
-    if (maybeState != _stateById.end()) {
-        state = maybeState->second;
-        return true;
-    }
-    return false;
-}
-
-string AnimationChannel::getAnimationName() const {
-    return _animation ? _animation->name() : "";
-}
-
-void AnimationChannel::setTime(float time) {
-    _time = time;
-}
-
-} // namespace scene
-
-} // namespace reone

src/engine/scene/animation/channel.h

@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2020-2021 The reone project contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <cstdint>
-#include <memory>
-#include <set>
-#include <string>
-#include <unordered_map>
-
-#include "../../graphics/lip/lipanimation.h"
-#include "../../graphics/model/animation.h"
-#include "../../graphics/model/model.h"
-#include "../../graphics/model/modelnode.h"
-
-#include "properties.h"
-#include "scenenodestate.h"
-
-namespace reone {
-
-namespace scene {
-
-class ModelSceneNode;
-
-/**
- * Represents a single animation being played on a model. Multiple animation
- * channels can be blended or overlayed by SceneNodeAnimator.
- *
- * @see SceneNodeAnimator
- */
-class AnimationChannel {
-public:
-    /**
-     * @param sceneNode scene node to apply animations to
-     * @param skipNodes list of model node names to ignore
-     */
-    AnimationChannel(ModelSceneNode *sceneNode, std::set<std::string> ignoreNodes);
-
-    void reset();
-    void reset(std::shared_ptr<graphics::Animation> anim, AnimationProperties properties, std::shared_ptr<graphics::LipAnimation> lipAnim = nullptr);
-
-    /**
-     * @param dt frame delta time
-     * @param visible whether the animated scene node is visible
-     */
-    void update(float dt, bool visible = true);
-
-    void freeze();
-
-    bool isSameAnimation(const graphics::Animation &anim, const AnimationProperties &properties, std::shared_ptr<graphics::LipAnimation> lipAnim = nullptr) const;
-
-    /**
-     * @return true if this animation channel contains an animation that is not finished, false otherwise
-     */
-    bool isActive() const;
-
-    /**
-     * @return true if this animation channel contains that is past transition time, false otherwise
-     */
-    bool isPastTransitionTime() const;
-
-    /**
-     * @return true if this animation channel contains an animation that is finished, false otherwise
-     */
-    bool isFinished() const;
-
-    float getTransitionTime() const;
-    bool getSceneNodeStateById(uint16_t nodeId, SceneNodeState &state) const;
-    std::string getAnimationName() const;
-
-    float time() const { return _time; }
-
-    void setTime(float time);
-
-private:
-    ModelSceneNode *_sceneNode;
-    std::set<std::string> _ignoreNodes;
-
-    std::shared_ptr<graphics::Animation> _animation;
-    AnimationProperties _properties;
-    std::shared_ptr<graphics::LipAnimation> _lipAnimation;
-    float _time { 0.0f };
-    bool _freeze { false };
-    bool _finished { false };
-    std::unordered_map<uint16_t, SceneNodeState> _stateById;
-
-    void computeSceneNodeStates(const graphics::ModelNode &animNode);
-};
-
-} // namespace scene
-
-} // namespace reone

src/engine/scene/animation/scenenodeanimator.cpp

@@ -1,328 +0,0 @@
-/*
- * Copyright (c) 2020-2021 The reone project contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "scenenodeanimator.h"
-
-#include <stdexcept>
-
-#include "../node/lightnode.h"
-#include "../node/meshnode.h"
-#include "../node/modelnode.h"
-#include "../types.h"
-
-using namespace std;
-
-using namespace reone::graphics;
-
-namespace reone {
-
-namespace scene {
-
-static constexpr float kTransitionDuration = 0.25f;
-
-SceneNodeAnimator::SceneNodeAnimator(ModelSceneNode *sceneNode, set<string> ignoreNodes) :
-    _sceneNode(sceneNode),
-    _ignoreNodes(ignoreNodes) {
-
-    if (!sceneNode) {
-        throw invalid_argument("sceneNode must not be null");
-    }
-    for (int i = 0; i < kChannelCount; ++i) {
-        _channels.push_back(AnimationChannel(sceneNode, ignoreNodes));
-    }
-}
-
-void SceneNodeAnimator::update(float dt, bool visible) {
-    // Regardless of the composition mode, when there is no active animation on
-    // the first channel, start the default animation
-    if (!_channels[0].isActive()) {
-        playDefaultAnimation();
-        return;
-    }
-
-    // In the Blend mode, if the animation on the first channel is past
-    // transition time, stop animation on the second channel
-    if (isInTransition() && _channels[0].isPastTransitionTime()) {
-        _channels[1].reset();
-        _transition = false;
-    }
-
-    // Update animation channels
-    for (auto &channel : _channels) {
-        channel.update(dt, visible);
-    }
-
-    if (visible) {
-        // Compute and apply node states to the managed model
-        _stateById.clear();
-        computeSceneNodeStates(*_sceneNode->model()->rootNode());
-        applySceneNodeStates(*_sceneNode->model()->rootNode());
-    }
-}
-
-void SceneNodeAnimator::playDefaultAnimation() {
-    if (!_defaultAnimName.empty()) {
-        playAnimation(_defaultAnimName, _defaultAnimProperties);
-    }
-}
-
-bool SceneNodeAnimator::isInTransition() const {
-    return _compositionMode == CompositionMode::Blend && _transition;
-}
-
-void SceneNodeAnimator::computeSceneNodeStates(ModelNode &modelNode, glm::mat4 parentTransform) {
-    if (modelNode.isSkinMesh()) return;
-
-    SceneNodeState state;
-    state.flags |= SceneNodeStateFlags::transform;
-
-    glm::mat4 localTransform(modelNode.localTransform());
-
-    if (isInTransition()) {
-        float delta = 1.0f - (_channels[0].getTransitionTime() - _channels[0].time()) / _channels[0].getTransitionTime();
-
-        // In the Blend mode, blend animations on the first two channels (only transforms)
-        SceneNodeState channel0State, channel1State;
-        bool hasChannel0State = _channels[0].getSceneNodeStateById(modelNode.id(), channel0State);
-        bool hasChannel1State = _channels[1].getSceneNodeStateById(modelNode.id(), channel1State);
-        if (hasChannel0State && (channel0State.flags & SceneNodeStateFlags::transform) &&
-            hasChannel1State && (channel1State.flags & SceneNodeStateFlags::transform)) {
-
-            glm::quat orientation0(glm::toQuat(channel0State.transform));
-            glm::quat orientation1(glm::toQuat(channel1State.transform));
-            localTransform = glm::translate(glm::mat4(1.0f), glm::vec3(channel0State.transform[3]));
-            localTransform *= glm::mat4_cast(glm::slerp(orientation1, orientation0, delta));
-
-        } else if (hasChannel0State && (channel0State.flags & SceneNodeStateFlags::transform)) {
-            localTransform = move(channel0State.transform);
-
-        } else if (hasChannel1State && (channel1State.flags & SceneNodeStateFlags::transform)) {
-            localTransform = move(channel1State.transform);
-        }
-        if (hasChannel0State) {
-            if (channel0State.flags & SceneNodeStateFlags::alpha) {
-                state.flags |= SceneNodeStateFlags::alpha;
-                state.alpha = channel0State.alpha;
-            }
-            if (channel0State.flags & SceneNodeStateFlags::selfIllum) {
-                state.flags |= SceneNodeStateFlags::selfIllum;
-                state.selfIllumColor = channel0State.selfIllumColor;
-            }
-            if (channel0State.flags & SceneNodeStateFlags::lightColor) {
-                state.flags |= SceneNodeStateFlags::lightColor;
-                state.lightColor = channel0State.lightColor;
-            }
-            if (channel0State.flags & SceneNodeStateFlags::lightMultiplier) {
-                state.flags |= SceneNodeStateFlags::lightMultiplier;
-                state.lightMultiplier = channel0State.lightMultiplier;
-            }
-            if (channel0State.flags & SceneNodeStateFlags::lightRadius) {
-                state.flags |= SceneNodeStateFlags::lightRadius;
-                state.lightRadius = channel0State.lightRadius;
-            }
-        }
-    } else if (_compositionMode == CompositionMode::Overlay) {
-        // In the Overlay mode, for each state component select the first animation channel to have state for the given node
-        int componentsLeft = SceneNodeStateFlags::all;
-        for (int i = kChannelCount - 1; i >= 0; --i) {
-            SceneNodeState channelState;
-            if (_channels[i].isActive() && _channels[i].getSceneNodeStateById(modelNode.id(), channelState)) {
-                if ((channelState.flags & SceneNodeStateFlags::transform) && (componentsLeft & SceneNodeStateFlags::transform)) {
-                    localTransform = move(channelState.transform);
-                    componentsLeft &= ~SceneNodeStateFlags::transform;
-                }
-                if ((channelState.flags & SceneNodeStateFlags::alpha) && (componentsLeft & SceneNodeStateFlags::alpha)) {
-                    state.flags |= SceneNodeStateFlags::alpha;
-                    state.alpha = channelState.alpha;
-                    componentsLeft &= ~SceneNodeStateFlags::alpha;
-                }
-                if ((channelState.flags & SceneNodeStateFlags::selfIllum) && (componentsLeft & SceneNodeStateFlags::selfIllum)) {
-                    state.flags |= SceneNodeStateFlags::selfIllum;
-                    state.selfIllumColor = move(channelState.selfIllumColor);
-                    componentsLeft &= ~SceneNodeStateFlags::selfIllum;
-                }
-                if ((channelState.flags & SceneNodeStateFlags::lightColor) && (componentsLeft & SceneNodeStateFlags::lightColor)) {
-                    state.flags |= SceneNodeStateFlags::lightColor;
-                    state.lightColor = move(channelState.lightColor);
-                    componentsLeft &= ~SceneNodeStateFlags::lightColor;
-                }
-                if ((channelState.flags & SceneNodeStateFlags::lightMultiplier) && (componentsLeft & SceneNodeStateFlags::lightMultiplier)) {
-                    state.flags |= SceneNodeStateFlags::lightMultiplier;
-                    state.lightMultiplier = channelState.lightMultiplier;
-                    componentsLeft &= ~SceneNodeStateFlags::lightMultiplier;
-                }
-                if ((channelState.flags & SceneNodeStateFlags::lightRadius) && (componentsLeft & SceneNodeStateFlags::lightRadius)) {
-                    state.flags |= SceneNodeStateFlags::lightRadius;
-                    state.lightRadius = channelState.lightRadius;
-                    componentsLeft &= ~SceneNodeStateFlags::lightRadius;
-                }
-            }
-        }
-    } else {
-        // Otherwise, select animation on the first channel
-        SceneNodeState channelState;
-        if (_channels[0].getSceneNodeStateById(modelNode.id(), channelState)) {
-            if (channelState.flags & SceneNodeStateFlags::transform) {
-                localTransform = move(channelState.transform);
-            }
-            if (channelState.flags & SceneNodeStateFlags::alpha) {
-                state.flags |= SceneNodeStateFlags::alpha;
-                state.alpha = channelState.alpha;
-            }
-            if (channelState.flags & SceneNodeStateFlags::selfIllum) {
-                state.flags |= SceneNodeStateFlags::selfIllum;
-                state.selfIllumColor = move(channelState.selfIllumColor);
-            }
-            if (channelState.flags & SceneNodeStateFlags::lightColor) {
-                state.flags |= SceneNodeStateFlags::lightColor;
-                state.lightColor = move(channelState.lightColor);
-            }
-            if (channelState.flags & SceneNodeStateFlags::lightMultiplier) {
-                state.flags |= SceneNodeStateFlags::lightMultiplier;
-                state.lightMultiplier = channelState.lightMultiplier;
-            }
-            if (channelState.flags & SceneNodeStateFlags::lightRadius) {
-                state.flags |= SceneNodeStateFlags::lightRadius;
-                state.lightRadius = channelState.lightRadius;
-            }
-        }
-    }
-
-    glm::mat4 absTransform(parentTransform * localTransform);
-    state.transform = absTransform;
-    _stateById.insert(make_pair(modelNode.id(), move(state)));
-
-    for (auto &child : modelNode.children()) {
-        computeSceneNodeStates(*child, absTransform);
-    }
-}
-
-void SceneNodeAnimator::applySceneNodeStates(ModelNode &modelNode) {
-    // Do not apply transforms to skinned model nodes
-    if (modelNode.isSkinMesh()) return;
-
-    auto maybeState = _stateById.find(modelNode.id());
-    if (maybeState != _stateById.end()) {
-        const SceneNodeState &state = maybeState->second;
-        MeshSceneNode *sceneNode = _sceneNode->getModelNodeById(modelNode.id());
-        if (state.flags & SceneNodeStateFlags::transform) {
-            sceneNode->setLocalTransform(state.transform);
-            sceneNode->setBoneTransform(state.transform * modelNode.absoluteTransformInverse());
-        }
-        if (state.flags & SceneNodeStateFlags::alpha) {
-            sceneNode->setAlpha(state.alpha);
-        }
-        if (state.flags & SceneNodeStateFlags::selfIllum) {
-            sceneNode->setSelfIllumColor(state.selfIllumColor);
-        }
-        LightSceneNode *light = _sceneNode->getLightNodeById(modelNode.id());
-        if (light) {
-            if (state.flags & SceneNodeStateFlags::lightColor) {
-                light->setColor(state.lightColor);
-            }
-            if (state.flags & SceneNodeStateFlags::lightMultiplier) {
-                light->setMultiplier(state.lightMultiplier);
-            }
-            if (state.flags & SceneNodeStateFlags::lightRadius) {
-                light->setRadius(state.lightRadius);
-            }
-        }
-    }
-
-    for (auto &child : modelNode.children()) {
-        applySceneNodeStates(*child);
-    }
-}
-
-void SceneNodeAnimator::playAnimation(const string &name, AnimationProperties properties) {
-    shared_ptr<Model> model(_sceneNode->model());
-    shared_ptr<Animation> anim(model->getAnimation(name));
-    if (anim) {
-        playAnimation(move(anim), move(properties));
-    }
-}
-
-void SceneNodeAnimator::playAnimation(shared_ptr<Animation> anim, AnimationProperties properties, shared_ptr<LipAnimation> lipAnim) {
-    if (!anim) return;
-
-    _compositionMode = determineCompositionMode(properties.flags);
-
-    // Clear composition flags
-    properties.flags &= ~(AnimationFlags::blend | AnimationFlags::overlay);
-
-    // If scale is 0.0, replace it with models scale
-    if (properties.scale == 0.0f) {
-        properties.scale = _sceneNode->model()->animationScale();
-    }
-
-    switch (_compositionMode) {
-        case CompositionMode::Mono:
-            if (!_channels[0].isSameAnimation(*anim, properties, lipAnim)) {
-                // Play the specified animation on the first channel and stop animation on other channels
-                _channels[0].reset(anim, properties, lipAnim);
-                for (int i = 1; i < kChannelCount; ++i) {
-                    _channels[i].reset();
-                }
-            }
-            break;
-        case CompositionMode::Blend:
-            if (!_channels[0].isSameAnimation(*anim, properties, lipAnim)) {
-                if (_channels[0].isActive()) {
-                    // Play the specified animation on the first channel - previous animation is moved onto the second channel and is freezed
-                    _channels[1] = _channels[0];
-                    _channels[0].reset(anim, properties, lipAnim);
-                    _channels[0].setTime(glm::max(0.0f, anim->transitionTime() - kTransitionDuration));
-                    _channels[1].freeze();
-                    _transition = true;
-                } else {
-                    _channels[0].reset(anim, properties, lipAnim);
-                    _transition = false;
-                }
-            }
-            break;
-        case CompositionMode::Overlay:
-            // Play the specified animation on the first vacant channel, if any
-            for (int i = 0; i < kChannelCount; ++i) {
-                if (!_channels[i].isActive()) {
-                    _channels[i].reset(anim, properties, lipAnim);
-                    break;
-                }
-            }
-            break;
-        default:
-            break;
-    }
-}
-
-SceneNodeAnimator::CompositionMode SceneNodeAnimator::determineCompositionMode(int flags) const {
-    return (flags & AnimationFlags::blend) ?
-        CompositionMode::Blend :
-        ((flags & AnimationFlags::overlay) ? CompositionMode::Overlay : CompositionMode::Mono);
-}
-
-bool SceneNodeAnimator::isAnimationFinished() const {
-    return _channels[0].isFinished();
-}
-
-void SceneNodeAnimator::setDefaultAnimation(string name, AnimationProperties properties) {
-    _defaultAnimName = move(name);
-    _defaultAnimProperties = move(properties);
-}
-
-} // namespace scene
-
-} // namespace reone

src/engine/scene/animation/scenenodeanimator.h

@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2020-2021 The reone project contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <cstdint>
-#include <memory>
-#include <set>
-#include <string>
-#include <unordered_map>
-
-#include "glm/mat4x4.hpp"
-
-#include "../../graphics/model/animation.h"
-#include "../../graphics/model/modelnode.h"
-
-#include "channel.h"
-#include "properties.h"
-#include "scenenodestate.h"
-
-namespace reone {
-
-namespace scene {
-
-class ModelSceneNode;
-
-/**
- * Responsible for applying animations to model scene nodes. Manages up to
- * kChannelCount animation channels, which it either blends or overlays depending
- * on the composition mode.
- */
-class SceneNodeAnimator {
-public:
-    /**
-     * @param sceneNode scene node to apply animations to
-     * @param skipNodes names of model nodes to ignore
-     */
-    SceneNodeAnimator(ModelSceneNode *sceneNode, std::set<std::string> ignoreNodes);
-
-    /**
-     * @param dt frame delta time
-     * @param visible whether the animated scene node is visible
-     */
-    void update(float dt, bool visible = true);
-
-    void playAnimation(const std::string &name, AnimationProperties properties = AnimationProperties());
-    void playAnimation(std::shared_ptr<graphics::Animation> anim, AnimationProperties properties = AnimationProperties(), std::shared_ptr<graphics::LipAnimation> lipAnim = nullptr);
-    void playDefaultAnimation();
-
-    bool isAnimationFinished() const;
-
-    void setDefaultAnimation(std::string name, AnimationProperties properties = AnimationProperties());
-
-private:
-    static constexpr int kChannelCount = 8;
-
-    enum class CompositionMode {
-        Mono, /**< only animation on the first channel is being played */
-        Overlay, /**< animations on all channels play simultaneously  */
-        Blend /**< animation on the second channel is transitioned into animation on the first channel */
-    };
-
-    struct NodeState {
-        glm::mat4 transform { 1.0f };
-        float alpha { 1.0f };
-        glm::vec3 selfIllumColor { 0.0f };
-    };
-
-    ModelSceneNode *_sceneNode;
-    std::set<std::string> _ignoreNodes;
-    std::vector<AnimationChannel> _channels;
-
-    CompositionMode _compositionMode { CompositionMode::Overlay };
-    bool _transition { false }; /**< is there an animation transition going on? */
-    std::unordered_map<uint16_t, SceneNodeState> _stateById;
-
-    std::string _defaultAnimName;
-    AnimationProperties _defaultAnimProperties;
-
-    void computeSceneNodeStates(graphics::ModelNode &modelNode, glm::mat4 parentTransform = glm::mat4(1.0f));
-    void applySceneNodeStates(graphics::ModelNode &modelNode);
-
-    bool isInTransition() const;
-
-    /**
-     * Determines the composition mode by animation flags.
-     */
-    CompositionMode determineCompositionMode(int flags) const;
-};
-
-} // namespace scene
-
-} // namespace reone

src/engine/scene/node/cameranode.cpp

@@ -27,27 +27,21 @@ namespace reone {
 
 namespace scene {
 
-CameraSceneNode::CameraSceneNode(SceneGraph *sceneGraph, glm::mat4 projection, float aspect, float nearPlane, float farPlane) :
-    SceneNode(SceneNodeType::Camera, sceneGraph),
-    _projection(projection),
-    _aspect(aspect),
-    _nearPlane(nearPlane),
-    _farPlane(farPlane) {
-
-    updateFrustum();
+CameraSceneNode::CameraSceneNode(string name, glm::mat4 projection, SceneGraph *sceneGraph) :
+    SceneNode(move(name), SceneNodeType::Camera, sceneGraph),
+    _projection(projection) {
 }
 
-void CameraSceneNode::updateAbsoluteTransform() {
-    SceneNode::updateAbsoluteTransform();
-    updateView();
-    updateFrustum();
+void CameraSceneNode::onAbsoluteTransformChanged() {
+    computeView();
+    computeFrustumPlanes();
 }
 
-void CameraSceneNode::updateView() {
-    _view = glm::inverse(_absoluteTransform);
+void CameraSceneNode::computeView() {
+    _view = _absTransformInv;
 }
 
-void CameraSceneNode::updateFrustum() {
+void CameraSceneNode::computeFrustumPlanes() {
     // Implementation of http://www.cs.otago.ac.nz/postgrads/alexis/planeExtraction.pdf
 
     glm::mat4 vp(_projection * _view);
@@ -111,9 +105,9 @@ bool CameraSceneNode::isInFrustum(const SceneNode &other) const {
         isInFrustum(other.absoluteTransform()[3]);
 }
 
-void CameraSceneNode::setProjection(const glm::mat4 &projection) {
-    _projection = projection;
-    updateFrustum();
+void CameraSceneNode::setProjection(glm::mat4 projection) {
+    _projection = move(projection);
+    computeFrustumPlanes();
 }
 
 } // namespace scene

src/engine/scene/node/cameranode.h

@@ -27,7 +27,7 @@ namespace scene {
 
 class CameraSceneNode : public SceneNode {
 public:
-    CameraSceneNode(SceneGraph *sceneGraph, glm::mat4 projection, float aspect, float nearPlane, float farPlane);
+    CameraSceneNode(std::string name, glm::mat4 projection, SceneGraph *sceneGraph);
 
     bool isInFrustum(const glm::vec3 &point) const;
     bool isInFrustum(const graphics::AABB &aabb) const;
@@ -35,18 +35,12 @@ public:
 
     const glm::mat4 &projection() const { return _projection; }
     const glm::mat4 &view() const { return _view; }
-    float aspect() const { return _aspect; }
-    float nearPlane() const { return _nearPlane; }
-    float farPlane() const { return _farPlane; }
 
-    void setProjection(const glm::mat4 &projection);
+    void setProjection(glm::mat4 projection);
 
 private:
     glm::mat4 _projection { 1.0f };
     glm::mat4 _view { 1.0f };
-    float _aspect { 1.0f };
-    float _nearPlane { 0.0f };
-    float _farPlane { 0.0f };
 
     // Frustum planes
 
@@ -59,10 +53,10 @@ private:
 
     // END Frustum planes
 
-    void updateAbsoluteTransform() override;
+    void computeView();
+    void computeFrustumPlanes();
 
-    void updateView();
-    void updateFrustum();
+    void onAbsoluteTransformChanged() override;
 };
 
 } // namespace scene

src/engine/scene/node/dummynode.h

@@ -17,17 +17,16 @@
 
 #pragma once
 
-#include "glm/vec2.hpp"
-#include "glm/vec3.hpp"
+#include "modelnodescenenode.h"
 
 namespace reone {
 
 namespace scene {
 
-struct GrassCluster {
-    glm::vec3 position { 0.0f };
-    glm::vec2 lightmapUV { 0.0f };
-    int variant { 0 };
+class DummySceneNode : public ModelNodeSceneNode {
+public:
+    DummySceneNode(std::shared_ptr<graphics::ModelNode> modelNode, SceneGraph *sceneGraph) : ModelNodeSceneNode(std::move(modelNode), SceneNodeType::Dummy, sceneGraph) {
+    }
 };
 
 } // namespace scene

src/engine/scene/node/emitternode.cpp

@@ -42,25 +42,36 @@ namespace reone {
 namespace scene {
 
 static constexpr float kMotionBlurStrength = 0.25f;
+static constexpr float kProjectileSpeed = 16.0f;
 
-EmitterSceneNode::EmitterSceneNode(const ModelSceneNode *modelSceneNode, const shared_ptr<ModelNode::Emitter> &emitter, SceneGraph *sceneGraph) :
-    SceneNode(SceneNodeType::Emitter, sceneGraph),
-    _modelSceneNode(modelSceneNode),
-    _emitter(emitter) {
+EmitterSceneNode::EmitterSceneNode(const ModelSceneNode *model, shared_ptr<ModelNode> modelNode, SceneGraph *sceneGraph) :
+    ModelNodeSceneNode(modelNode, SceneNodeType::Emitter, sceneGraph),
+    _model(model) {
 
-    if (!modelSceneNode) {
-        throw invalid_argument("modelSceneNode must not be null");
-    }
-    if (!emitter) {
-        throw invalid_argument("emitter must not be null");
+    if (!model) {
+        throw invalid_argument("model must not be null");
     }
+    _particleSize.start = modelNode->sizeStart().getByFrameOrElse(0, 1.0f);
+    _particleSize.end = modelNode->sizeEnd().getByFrameOrElse(0, 1.0f);
+    _color.start = modelNode->colorStart().getByFrameOrElse(0, glm::vec3(1.0f));
+    _color.mid = modelNode->colorMid().getByFrameOrElse(0, glm::vec3(1.0f));
+    _color.end = modelNode->colorEnd().getByFrameOrElse(0, glm::vec3(1.0f));
+    _alpha.start = modelNode->alphaStart().getByFrameOrElse(0, 1.0f);
+    _alpha.mid = modelNode->alphaMid().getByFrameOrElse(0, 1.0f);
+    _alpha.end = modelNode->alphaEnd().getByFrameOrElse(0, 1.0f);
+    _frameStart = modelNode->frameStart().getByFrameOrElse(0, 0.0f);
+    _frameEnd = modelNode->frameEnd().getByFrameOrElse(0, 0.0f);
+    _size.x = modelNode->xSize().getByFrameOrElse(0, 1.0f);
+    _size.y = modelNode->xSize().getByFrameOrElse(0, 1.0f);
+    _birthrate = modelNode->birthrate().getByFrameOrElse(0, 0.0f);
+    _lifeExpectancy = modelNode->lifeExp().getByFrameOrElse(0, 0.0f);
+    _velocity = modelNode->velocity().getByFrameOrElse(0, 0.0f);
+    _randomVelocity = modelNode->randVel().getByFrameOrElse(0, 0.0f);
+    _spread = modelNode->spread().getByFrameOrElse(0, 0.0f);
+    _fps = modelNode->fps().getByFrameOrElse(0, 0.0f);
 
-    init();
-}
-
-void EmitterSceneNode::init() {
-    if (_emitter->birthrate != 0) {
-        _birthInterval = 1.0f / static_cast<float>(_emitter->birthrate);
+    if (_birthrate != 0.0f) {
+        _birthInterval = 1.0f / static_cast<float>(_birthrate);
     }
 }
 
@@ -72,14 +83,14 @@ void EmitterSceneNode::update(float dt) {
     spawnParticles(dt);
 
     for (auto &particle : _particles) {
-        particle->update(dt);
+        updateParticle(*particle, dt);
     }
 }
 
 void EmitterSceneNode::removeExpiredParticles(float dt) {
     for (auto it = _particles.begin(); it != _particles.end(); ) {
         auto &particle = (*it);
-        if (particle->isExpired()) {
+        if (isParticleExpired(*particle)) {
             it = _particles.erase(it);
         } else {
             ++it;
@@ -88,9 +99,11 @@ void EmitterSceneNode::removeExpiredParticles(float dt) {
 }
 
 void EmitterSceneNode::spawnParticles(float dt) {
-    switch (_emitter->updateMode) {
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+
+    switch (emitter->updateMode) {
         case ModelNode::Emitter::UpdateMode::Fountain:
-            if (_emitter->birthrate != 0.0f) {
+            if (_birthrate != 0.0f) {
                 if (_birthTimer.advance(dt)) {
                     if (_particles.size() < kMaxParticles) {
                         doSpawnParticle();
@@ -100,7 +113,7 @@ void EmitterSceneNode::spawnParticles(float dt) {
             }
             break;
         case ModelNode::Emitter::UpdateMode::Single:
-            if (!_spawned || (_particles.empty() && _emitter->loop)) {
+            if (!_spawned || (_particles.empty() && emitter->loop)) {
                 doSpawnParticle();
                 _spawned = true;
             }
@@ -111,49 +124,54 @@ void EmitterSceneNode::spawnParticles(float dt) {
 }
 
 void EmitterSceneNode::doSpawnParticle() {
-    float halfW = 0.005f * _emitter->size.x;
-    float halfH = 0.005f * _emitter->size.y;
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+    float halfW = 0.005f * _size.x;
+    float halfH = 0.005f * _size.y;
     glm::vec3 position(random(-halfW, halfW), random(-halfH, halfH), 0.0f);
 
     float sign;
-    if (_emitter->spread > glm::pi<float>() && random(0, 1) != 0) {
+    if (_spread > glm::pi<float>() && random(0, 1) != 0) {
         sign = -1.0f;
     } else {
         sign = 1.0f;
     }
-    float velocity = sign * (_emitter->velocity + random(0.0f, _emitter->randomVelocity));
+    float velocity = sign * (_velocity + random(0.0f, _randomVelocity));
 
-    auto particle = make_shared<Particle>(position, velocity, this);
+    auto particle = make_shared<Particle>();
+    particle->position = move(position);
+    particle->velocity = velocity;
+    particle->emitter = this;
     _particles.push_back(particle);
 }
 
 void EmitterSceneNode::drawParticles(const vector<Particle *> &particles) {
     if (particles.empty()) return;
 
-    shared_ptr<Texture> texture(_emitter->texture);
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+    shared_ptr<Texture> texture(emitter->texture);
     if (!texture) return;
 
     ShaderUniforms uniforms(_sceneGraph->uniformsPrototype());
     uniforms.combined.featureMask |= UniformFeatureFlags::particles;
-    uniforms.particles->gridSize = glm::vec2(_emitter->gridWidth, _emitter->gridHeight);
-    uniforms.particles->render = static_cast<int>(_emitter->renderMode);
+    uniforms.particles->gridSize = glm::vec2(emitter->gridWidth, emitter->gridHeight);
+    uniforms.particles->render = static_cast<int>(emitter->renderMode);
 
     for (size_t i = 0; i < particles.size(); ++i) {
         const Particle &particle = *particles[i];
 
-        glm::mat4 transform(_absoluteTransform);
-        transform = glm::translate(transform, particles[i]->position());
-        if (_emitter->renderMode == ModelNode::Emitter::RenderMode::MotionBlur) {
-            transform = glm::scale(transform, glm::vec3((1.0f + kMotionBlurStrength * _modelSceneNode->projectileSpeed()) * particle.size(), particle.size(), particle.size()));
+        glm::mat4 transform(_absTransform);
+        transform = glm::translate(transform, particles[i]->position);
+        if (emitter->renderMode == ModelNode::Emitter::RenderMode::MotionBlur) {
+            transform = glm::scale(transform, glm::vec3((1.0f + kMotionBlurStrength * kProjectileSpeed) * particle.size, particle.size, particle.size));
         } else {
-            transform = glm::scale(transform, glm::vec3(particle.size()));
+            transform = glm::scale(transform, glm::vec3(particle.size));
         }
 
         uniforms.particles->particles[i].transform = move(transform);
-        uniforms.particles->particles[i].color = glm::vec4(particle.color(), 1.0f);
-        uniforms.particles->particles[i].size = glm::vec2(particle.size());
-        uniforms.particles->particles[i].alpha = particle.alpha();
-        uniforms.particles->particles[i].frame = particle.frame();
+        uniforms.particles->particles[i].color = glm::vec4(particle.color, 1.0f);
+        uniforms.particles->particles[i].size = glm::vec2(particle.size);
+        uniforms.particles->particles[i].alpha = particle.alpha;
+        uniforms.particles->particles[i].frame = particle.frame;
     }
 
     Shaders::instance().activate(ShaderProgram::ParticleParticle, uniforms);
@@ -161,7 +179,7 @@ void EmitterSceneNode::drawParticles(const vector<Particle *> &particles) {
     StateManager::instance().setActiveTextureUnit(TextureUnits::diffuse);
     texture->bind();
 
-    bool lighten = _emitter->blendMode == ModelNode::Emitter::BlendMode::Lighten;
+    bool lighten = emitter->blendMode == ModelNode::Emitter::BlendMode::Lighten;
     if (lighten) {
         StateManager::instance().withLightenBlending([&particles]() {
             Meshes::instance().getBillboard()->drawInstanced(static_cast<int>(particles.size()));

src/engine/scene/node/emitternode.h

@@ -17,8 +17,6 @@
 
 #pragma once
 
-#include "scenenode.h"
-
 #include <vector>
 
 #include "glm/vec3.hpp"
@@ -26,7 +24,7 @@
 #include "../../common/timer.h"
 #include "../../graphics/model/modelnode.h"
 
-#include "../particle.h"
+#include "modelnodescenenode.h"
 
 namespace reone {
 
@@ -34,9 +32,28 @@ namespace scene {
 
 class ModelSceneNode;
 
-class EmitterSceneNode : public SceneNode {
+class EmitterSceneNode : public ModelNodeSceneNode {
 public:
-    EmitterSceneNode(const ModelSceneNode *modelSceneNode, const std::shared_ptr<graphics::ModelNode::Emitter> &emitter, SceneGraph *sceneGraph);
+    struct Particle {
+        glm::vec3 position { 0.0f };
+        float velocity { 0.0f };
+        EmitterSceneNode *emitter { nullptr };
+        float animLength { 0.0f };
+        float lifetime { 0.0f };
+        int frame { 0 };
+        float size { 1.0f };
+        glm::vec3 color { 1.0f };
+        float alpha { 1.0f };
+    };
+
+    template <class T>
+    struct Constraints {
+        T start;
+        T mid;
+        T end;
+    };
+
+    EmitterSceneNode(const ModelSceneNode *model, std::shared_ptr<graphics::ModelNode> modelNode, SceneGraph *sceneGraph);
 
     void update(float dt) override;
 
@@ -49,23 +66,43 @@ public:
 
     void detonate();
 
-    std::shared_ptr<graphics::ModelNode::Emitter> emitter() const { return _emitter; }
     const std::vector<std::shared_ptr<Particle>> &particles() const { return _particles; }
 
 private:
-    const ModelSceneNode *_modelSceneNode;
-    std::shared_ptr<graphics::ModelNode::Emitter> _emitter;
+    const ModelSceneNode *_model;
+
+    Constraints<float> _particleSize;
+    Constraints<glm::vec3> _color;
+    Constraints<float> _alpha;
+
+    int _frameStart { 0 };
+    int _frameEnd { 0 };
+    glm::vec2 _size { 0.0f };
+    float _birthrate { 0.0f }; /**< rate of particle birth per second */
+    float _lifeExpectancy { 0.0f }; /**< life of each particle in seconds */
+    float _velocity { 0.0f };
+    float _randomVelocity { 0.0f };
+    float _spread { 0.0f };
+    float _fps { 0.0f };
 
     float _birthInterval { 0.0f };
     Timer _birthTimer;
     std::vector<std::shared_ptr<Particle>> _particles;
     bool _spawned { false };
 
-    void init();
-
     void spawnParticles(float dt);
     void removeExpiredParticles(float dt);
     void doSpawnParticle();
+
+    // Particles
+
+    void initParticle(Particle &particle);
+    void updateParticle(Particle &particle, float dt);
+    void updateParticleAnimation(Particle &particle, float dt);
+
+    bool isParticleExpired(Particle &particle) const;
+
+    // END Particles
 };
 
 } // namespace scene

src/engine/scene/node/emitternode_particle.cpp

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "emitternode.h"
+
+using namespace std;
+
+using namespace reone::graphics;
+
+namespace reone {
+
+namespace scene {
+
+void EmitterSceneNode::initParticle(Particle &particle) {
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+
+    if (_fps > 0) {
+        particle.animLength = (_frameEnd - _frameStart + 1) / static_cast<float>(_fps);
+    }
+
+    particle.frame = _frameStart;
+}
+
+void EmitterSceneNode::updateParticle(Particle &particle, float dt) {
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+
+    if (_lifeExpectancy != -1) {
+        particle.lifetime = glm::min(particle.lifetime + dt, static_cast<float>(_lifeExpectancy));
+    } else if (particle.lifetime == particle.animLength) {
+        particle.lifetime = 0.0f;
+    } else {
+        particle.lifetime = glm::min(particle.lifetime + dt, particle.animLength);
+    }
+
+    if (!isParticleExpired(particle)) {
+        particle.position.z += particle.velocity * dt;
+        updateParticleAnimation(particle, dt);
+    }
+}
+
+template <class T>
+static T interpolateConstraints(const EmitterSceneNode::Constraints<T> &constraints, float t) {
+    T result;
+    if (t < 0.5f) {
+        float tt = 2.0f * t;
+        result = (1.0f - tt) * constraints.start + tt * constraints.mid;
+    } else {
+        float tt = 2.0f * (t - 0.5f);
+        result = (1.0f - tt) * constraints.mid + tt * constraints.end;
+    }
+    return result;
+}
+
+void EmitterSceneNode::updateParticleAnimation(Particle &particle, float dt) {
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+
+    float maturity;
+    if (_lifeExpectancy != -1) {
+        maturity = particle.lifetime / static_cast<float>(_lifeExpectancy);
+    } else if (particle.animLength > 0.0f) {
+        maturity = particle.lifetime / particle.animLength;
+    } else {
+        maturity = 0.0f;
+    }
+
+    particle.frame = static_cast<int>(glm::ceil(_frameStart + maturity * (_frameEnd - _frameStart)));
+    particle.size = interpolateConstraints(_particleSize, maturity);
+    particle.color = interpolateConstraints(_color, maturity);
+    particle.alpha = interpolateConstraints(_alpha, maturity);
+}
+
+bool EmitterSceneNode::isParticleExpired(Particle &particle) const {
+    shared_ptr<ModelNode::Emitter> emitter(_modelNode->emitter());
+    return _lifeExpectancy != -1 && particle.lifetime >= _lifeExpectancy;
+}
+
+} // namespace scene
+
+} // namespace reone

src/engine/scene/node/grassnode.cpp

@@ -33,8 +33,8 @@ namespace reone {
 
 namespace scene {
 
-GrassSceneNode::GrassSceneNode(SceneGraph *graph, glm::vec2 quadSize, shared_ptr<Texture> texture, shared_ptr<Texture> lightmap) :
-    SceneNode(SceneNodeType::Grass, graph),
+GrassSceneNode::GrassSceneNode(string name, glm::vec2 quadSize, shared_ptr<Texture> texture, shared_ptr<Texture> lightmap, SceneGraph *graph) :
+    SceneNode(move(name), SceneNodeType::Grass, graph),
     _quadSize(move(quadSize)),
     _texture(texture),
     _lightmap(move(lightmap)) {
@@ -42,18 +42,17 @@ GrassSceneNode::GrassSceneNode(SceneGraph *graph, glm::vec2 quadSize, shared_ptr
     if (!texture) {
         throw invalid_argument("texture must not be null");
     }
-    _transparent = true;
 }
 
 void GrassSceneNode::clear() {
     _clusters.clear();
 }
 
-void GrassSceneNode::addCluster(GrassCluster cluster) {
+void GrassSceneNode::addCluster(Cluster cluster) {
     _clusters.push_back(move(cluster));
 }
 
-void GrassSceneNode::drawClusters(const vector<GrassCluster> &clusters) {
+void GrassSceneNode::drawClusters(const vector<Cluster> &clusters) {
     StateManager::instance().setActiveTextureUnit(TextureUnits::diffuse);
     _texture->bind();
 

src/engine/scene/node/grassnode.h

@@ -19,32 +19,34 @@
 
 #include "../../graphics/texture/texture.h"
 
-#include "../grasscluster.h"
-
 #include "scenenode.h"
 
 namespace reone {
 
 namespace scene {
 
-class CameraSceneNode;
-
 class GrassSceneNode : public SceneNode {
 public:
-    GrassSceneNode(SceneGraph *graph, glm::vec2 quadSize, std::shared_ptr<graphics::Texture> texture, std::shared_ptr<graphics::Texture> lightmap = nullptr);
+    struct Cluster {
+        glm::vec3 position { 0.0f };
+        glm::vec2 lightmapUV { 0.0f };
+        int variant { 0 };
+    };
+
+    GrassSceneNode(std::string name, glm::vec2 quadSize, std::shared_ptr<graphics::Texture> texture, std::shared_ptr<graphics::Texture> lightmap, SceneGraph *graph);
 
     void clear();
-    void addCluster(GrassCluster cluster);
+    void addCluster(Cluster cluster);
 
-    void drawClusters(const std::vector<GrassCluster> &clusters);
+    void drawClusters(const std::vector<Cluster> &clusters);
 
-    const std::vector<GrassCluster> &clusters() const { return _clusters; }
+    const std::vector<Cluster> &clusters() const { return _clusters; }
 
 private:
     glm::vec2 _quadSize { 0.0f };
     std::shared_ptr<graphics::Texture> _texture;
     std::shared_ptr<graphics::Texture> _lightmap;
-    std::vector<GrassCluster> _clusters;
+    std::vector<Cluster> _clusters;
 };
 
 } // namespace scene

src/engine/scene/node/lightnode.cpp

@@ -17,6 +17,8 @@
 
 #include "lightnode.h"
 
+#include <stdexcept>
+
 #include "glm/ext.hpp"
 
 #include "../../graphics/mesh/meshes.h"
@@ -36,9 +38,18 @@ namespace reone {
 
 namespace scene {
 
-LightSceneNode::LightSceneNode(int priority, SceneGraph *sceneGraph) :
-    SceneNode(SceneNodeType::Light, sceneGraph),
-    _priority(priority) {
+static constexpr float kMinDirectionalLightRadius = 1000.0f;
+
+LightSceneNode::LightSceneNode(const ModelSceneNode *model, shared_ptr<ModelNode> modelNode, SceneGraph *sceneGraph) :
+    ModelNodeSceneNode(modelNode, SceneNodeType::Light, sceneGraph),
+    _model(model) {
+
+    if (!model) {
+        throw invalid_argument("model must not be null");
+    }
+    _radius = modelNode->radius().getByFrameOrElse(0, 1.0f);
+    _multiplier = modelNode->multiplier().getByFrameOrElse(0, 1.0f);
+    _color = modelNode->color().getByFrameOrElse(0, glm::vec3(1.0f));
 }
 
 void LightSceneNode::drawLensFlares(const ModelNode::LensFlare &flare) {
@@ -48,7 +59,7 @@ void LightSceneNode::drawLensFlares(const ModelNode::LensFlare &flare) {
     StateManager::instance().setActiveTextureUnit(TextureUnits::diffuse);
     flare.texture->bind();
 
-    glm::vec4 lightPos(_absoluteTransform[3]);
+    glm::vec4 lightPos(_absTransform[3]);
     glm::vec4 lightPosNdc(camera->projection() * camera->view() * lightPos);
 
     float w = _sceneGraph->options().width;
@@ -79,6 +90,10 @@ void LightSceneNode::drawLensFlares(const ModelNode::LensFlare &flare) {
     });
 }
 
+bool LightSceneNode::isDirectional() const {
+    return _radius >= kMinDirectionalLightRadius;
+}
+
 } // namespace scene
 
 } // namespace reone

src/engine/scene/node/lightnode.h

@@ -17,58 +17,38 @@
 
 #pragma once
 
-#include "../types.h"
-
 #include "../../graphics/model/modelnode.h"
 
-#include "scenenode.h"
+#include "modelnodescenenode.h"
 
 namespace reone {
 
 namespace scene {
 
-class LightSceneNode : public SceneNode {
+class ModelSceneNode;
+
+class LightSceneNode : public ModelNodeSceneNode {
 public:
-    LightSceneNode(int priority, SceneGraph *sceneGraph);
+    LightSceneNode(const ModelSceneNode *model, std::shared_ptr<graphics::ModelNode> modelNode, SceneGraph *sceneGraph);
 
     void drawLensFlares(const graphics::ModelNode::LensFlare &flare);
 
-    bool isShadow() const { return _shadow; }
-    bool isAmbientOnly() const { return _ambientOnly; }
-    bool isDirectional() const { return _directional; }
+    bool isDirectional() const;
 
-    const glm::vec3 &color() const { return _color; }
-    int priority() const { return _priority; }
-    float multiplier() const { return _multiplier; }
     float radius() const { return _radius; }
-    float flareRadius() const { return _flareRadius; }
-    const std::vector<graphics::ModelNode::LensFlare> &flares() const { return _flares; }
+    float multiplier() const { return _multiplier; }
+    const glm::vec3 &color() const { return _color; }
 
-    void setColor(glm::vec3 color) { _color = std::move(color); }
-    void setMultiplier(float multiplier) { _multiplier = multiplier; }
     void setRadius(float radius) { _radius = radius; }
-    void setShadow(bool shadow) { _shadow = shadow; }
-    void setAmbientOnly(bool ambientOnly) { _ambientOnly = ambientOnly; }
-    void setDirectional(bool directional) { _directional = directional; }
-    void setFlareRadius(float radius) { _flareRadius = radius; }
-    void setFlares(std::vector<graphics::ModelNode::LensFlare> flares) { _flares = std::move(flares); }
+    void setMultiplier(float multiplier) { _multiplier = multiplier; }
+    void setColor(glm::vec3 color) { _color = std::move(color); }
 
 private:
-    int _priority;
+    const ModelSceneNode *_model;
 
-    glm::vec3 _color { 1.0f };
-    float _multiplier { 1.0f };
-    float _radius { 1.0f };
-    bool _shadow { false };
-    bool _ambientOnly { false };
-    bool _directional { false };
-
-    // Light flares
-
-    float _flareRadius { 0.0f };
-    std::vector<graphics::ModelNode::LensFlare> _flares;
-
-    // END Light flares
+    float _radius { 0.0f };
+    float _multiplier { 0.0f };
+    glm::vec3 _color { 0.0f };
 };
 
 } // namespace scene

src/engine/scene/node/meshnode.cpp

@@ -49,23 +49,16 @@ static constexpr float kUvAnimationSpeed = 250.0f;
 
 static bool g_debugWalkmesh = false;
 
-MeshSceneNode::MeshSceneNode(SceneGraph *sceneGraph, const ModelSceneNode *modelSceneNode, ModelNode *modelNode) :
-    SceneNode(SceneNodeType::ModelNode, sceneGraph),
-    _modelSceneNode(modelSceneNode),
-    _modelNode(modelNode) {
+MeshSceneNode::MeshSceneNode(const ModelSceneNode *model, shared_ptr<ModelNode> modelNode, SceneGraph *sceneGraph) :
+    ModelNodeSceneNode(modelNode, SceneNodeType::Mesh, sceneGraph),
+    _model(model) {
 
-    if (!modelSceneNode) {
-        throw invalid_argument("modelSceneNode must not be null");
-    }
-    if (!modelNode) {
-        throw invalid_argument("modelNode must not be null");
-    }
-    if (_modelNode->alpha().getNumFrames() > 0) {
-        _alpha = _modelNode->alpha().getByFrame(0);
-    }
-    if (_modelNode->selfIllumColor().getNumFrames() > 0) {
-        _selfIllumColor = _modelNode->selfIllumColor().getByFrame(0);
+    if (!model) {
+        throw invalid_argument("model must not be null");
     }
+    _alpha = _modelNode->alpha().getByFrameOrElse(0, 1.0f);
+    _selfIllumColor = _modelNode->selfIllumColor().getByFrameOrElse(0, glm::vec3(0.0f));
+
     initTextures();
 }
 
@@ -82,15 +75,20 @@ void MeshSceneNode::initTextures() {
 }
 
 void MeshSceneNode::refreshMaterial() {
-    if (!_textures.diffuse) return;
+    _material = Material();
 
-    shared_ptr<Material> material(Materials::instance().get(_textures.diffuse->name()));
-    if (material) {
-        _material = *material;
+    if (_textures.diffuse) {
+        shared_ptr<Material> material(Materials::instance().get(_textures.diffuse->name()));
+        if (material) {
+            _material = *material;
+        }
     }
 }
 
 void MeshSceneNode::refreshAdditionalTextures() {
+    _textures.envmap.reset();
+    _textures.bumpmap.reset();
+
     if (!_textures.diffuse) return;
 
     const Texture::Features &features = _textures.diffuse->features();
@@ -105,58 +103,65 @@ void MeshSceneNode::refreshAdditionalTextures() {
 }
 
 void MeshSceneNode::update(float dt) {
+    SceneNode::update(dt);
+
     shared_ptr<ModelNode::TriangleMesh> mesh(_modelNode->mesh());
     if (mesh) {
-        // UV animation
-        if (mesh->uvAnimation.dir.x != 0.0f || mesh->uvAnimation.dir.y != 0.0f) {
-            _uvOffset += kUvAnimationSpeed * mesh->uvAnimation.dir * dt;
-            _uvOffset -= glm::floor(_uvOffset);
-        }
+        updateUVAnimation(dt, *mesh);
+        updateBumpmapAnimation(dt, *mesh);
+        updateDanglyMeshAnimation(dt, *mesh);
+    }
+}
 
-        // Bumpmap UV animation
-        if (_textures.bumpmap) {
-            const Texture::Features &features = _textures.bumpmap->features();
-            if (features.procedureType == Texture::ProcedureType::Cycle) {
-                int frameCount = features.numX * features.numY;
-                float length = frameCount / static_cast<float>(features.fps);
-                _bumpmapTime = glm::min(_bumpmapTime + dt, length);
-                _bumpmapFrame = static_cast<int>(glm::round((frameCount - 1) * (_bumpmapTime / length)));
-                if (_bumpmapTime == length) {
-                    _bumpmapTime = 0.0f;
-                }
+void MeshSceneNode::updateUVAnimation(float dt, const ModelNode::TriangleMesh &mesh) {
+    if (mesh.uvAnimation.dir.x != 0.0f || mesh.uvAnimation.dir.y != 0.0f) {
+        _uvOffset += kUvAnimationSpeed * mesh.uvAnimation.dir * dt;
+        _uvOffset -= glm::floor(_uvOffset);
+    }
+}
+
+void MeshSceneNode::updateBumpmapAnimation(float dt, const ModelNode::TriangleMesh &mesh) {
+    if (!_textures.bumpmap) return;
+
+    const Texture::Features &features = _textures.bumpmap->features();
+    if (features.procedureType == Texture::ProcedureType::Cycle) {
+        int frameCount = features.numX * features.numY;
+        float length = frameCount / static_cast<float>(features.fps);
+        _bumpmapTime = glm::min(_bumpmapTime + dt, length);
+        _bumpmapFrame = static_cast<int>(glm::round((frameCount - 1) * (_bumpmapTime / length)));
+        if (_bumpmapTime == length) {
+            _bumpmapTime = 0.0f;
+        }
+    }
+}
+
+void MeshSceneNode::updateDanglyMeshAnimation(float dt, const ModelNode::TriangleMesh &mesh) {
+    shared_ptr<ModelNode::DanglyMesh> danglyMesh(mesh.danglyMesh);
+    if (!danglyMesh) return;
+
+    bool forceApplied = glm::length2(_danglymeshAnimation.force) > 0.0f;
+    if (forceApplied) {
+        // When force is applied, stride in the opposite direction from the applied force
+        glm::vec3 strideDir(-_danglymeshAnimation.force);
+        glm::vec3 maxStride(danglyMesh->displacement);
+        _danglymeshAnimation.stride = glm::clamp(_danglymeshAnimation.stride + danglyMesh->period * strideDir * dt, -maxStride, maxStride);
+    } else {
+        // When force is not applied, gradually nullify stride
+        float strideMag2 = glm::length2(_danglymeshAnimation.stride);
+        if (strideMag2 > 0.0f) {
+            glm::vec3 strideDir(-_danglymeshAnimation.stride);
+            _danglymeshAnimation.stride += danglyMesh->period * strideDir * dt;
+            if ((strideDir.x > 0.0f && _danglymeshAnimation.stride.x > 0.0f) || (strideDir.x < 0.0f && _danglymeshAnimation.stride.x < 0.0f)) {
+                _danglymeshAnimation.stride.x = 0.0f;
             }
-        }
-
-        // Danglymesh animation
-        shared_ptr<ModelNode::DanglyMesh> danglyMesh(mesh->danglyMesh);
-        if (danglyMesh) {
-            bool forceApplied = glm::length2(_danglymeshAnimation.force) > 0.0f;
-            if (forceApplied) {
-                // When force is applied, stride in the opposite direction from the applied force
-                glm::vec3 strideDir(-_danglymeshAnimation.force);
-                glm::vec3 maxStride(danglyMesh->displacement);
-                _danglymeshAnimation.stride = glm::clamp(_danglymeshAnimation.stride + danglyMesh->period * strideDir * dt, -maxStride, maxStride);
-            } else {
-                // When force is not applied, gradually nullify stride
-                float strideMag2 = glm::length2(_danglymeshAnimation.stride);
-                if (strideMag2 > 0.0f) {
-                    glm::vec3 strideDir(-_danglymeshAnimation.stride);
-                    _danglymeshAnimation.stride += danglyMesh->period * strideDir * dt;
-                    if ((strideDir.x > 0.0f && _danglymeshAnimation.stride.x > 0.0f) || (strideDir.x < 0.0f && _danglymeshAnimation.stride.x < 0.0f)) {
-                        _danglymeshAnimation.stride.x = 0.0f;
-                    }
-                    if ((strideDir.y > 0.0f && _danglymeshAnimation.stride.y > 0.0f) || (strideDir.y < 0.0f && _danglymeshAnimation.stride.y < 0.0f)) {
-                        _danglymeshAnimation.stride.y = 0.0f;
-                    }
-                    if ((strideDir.z > 0.0f && _danglymeshAnimation.stride.z > 0.0f) || (strideDir.z < 0.0f && _danglymeshAnimation.stride.z < 0.0f)) {
-                        _danglymeshAnimation.stride.z = 0.0f;
-                    }
-                }
+            if ((strideDir.y > 0.0f && _danglymeshAnimation.stride.y > 0.0f) || (strideDir.y < 0.0f && _danglymeshAnimation.stride.y < 0.0f)) {
+                _danglymeshAnimation.stride.y = 0.0f;
+            }
+            if ((strideDir.z > 0.0f && _danglymeshAnimation.stride.z > 0.0f) || (strideDir.z < 0.0f && _danglymeshAnimation.stride.z < 0.0f)) {
+                _danglymeshAnimation.stride.z = 0.0f;
             }
         }
     }
-
-    SceneNode::update(dt);
 }
 
 bool MeshSceneNode::shouldRender() const {
@@ -184,7 +189,7 @@ bool MeshSceneNode::isTransparent() const {
     if (!mesh) return false; // Meshless nodes are opaque
 
     // Character models are opaque
-    if (_modelSceneNode->model()->classification() == Model::Classification::Character) return false;
+    if (_model->model()->classification() == Model::Classification::Character) return false;
 
     // Model nodes with alpha less than 1.0 are transparent
     if (_alpha < 1.0f) return true;
@@ -233,8 +238,8 @@ void MeshSceneNode::drawSingle(bool shadowPass) {
     if (isFeatureEnabled(Feature::HDR)) {
         uniforms.combined.featureMask |= UniformFeatureFlags::hdr;
     }
-    uniforms.combined.general.model = _absoluteTransform;
-    uniforms.combined.general.alpha = _modelSceneNode->alpha() * _alpha;
+    uniforms.combined.general.model = _absTransform;
+    uniforms.combined.general.alpha = _alpha;
     uniforms.combined.general.ambientColor = glm::vec4(_sceneGraph->ambientLightColor(), 1.0f);
 
     ShaderProgram program;
@@ -278,7 +283,7 @@ void MeshSceneNode::drawSingle(bool shadowPass) {
             uniforms.combined.bumpmaps.frame = _bumpmapFrame;
         }
 
-        bool receivesShadows = isReceivingShadows(*_modelSceneNode, *this);
+        bool receivesShadows = isReceivingShadows(*_model, *this);
         if (receivesShadows) {
             uniforms.combined.featureMask |= UniformFeatureFlags::shadows;
         }
@@ -290,8 +295,8 @@ void MeshSceneNode::drawSingle(bool shadowPass) {
                 if (i < static_cast<int>(mesh->skin->boneNodeId.size())) {
                     uint16_t nodeId = mesh->skin->boneNodeId[i];
                     if (nodeId != 0xffff) {
-                        MeshSceneNode *bone = _modelSceneNode->getModelNodeById(nodeId);
-                        if (bone) {
+                        shared_ptr<ModelNodeSceneNode> bone(_model->getNodeById(nodeId));
+                        if (bone && bone->type() == SceneNodeType::Mesh) {
                             uniforms.skeletal->bones[i] = _modelNode->absoluteTransformInverse() * bone->boneTransform() * _modelNode->absoluteTransform();
                         }
                     }
@@ -338,7 +343,7 @@ void MeshSceneNode::drawSingle(bool shadowPass) {
             }
         }
 
-        if (_sceneGraph->isFogEnabled() && _modelSceneNode->model()->isAffectedByFog()) {
+        if (_sceneGraph->isFogEnabled() && _model->model()->isAffectedByFog()) {
             uniforms.combined.featureMask |= UniformFeatureFlags::fog;
             uniforms.combined.general.fogNear = _sceneGraph->fogNear();
             uniforms.combined.general.fogFar = _sceneGraph->fogFar();
@@ -401,7 +406,7 @@ void MeshSceneNode::drawSingle(bool shadowPass) {
 }
 
 bool MeshSceneNode::isLightingEnabled() const {
-    if (!isLightingEnabledByUsage(_modelSceneNode->usage())) return false;
+    if (!isLightingEnabledByUsage(_model->usage())) return false;
 
     // Lighting is disabled for lightmapped models, unless dynamic room lighting is enabled
     if (_textures.lightmap && !isFeatureEnabled(Feature::DynamicRoomLighting)) return false;
@@ -418,14 +423,10 @@ bool MeshSceneNode::isLightingEnabled() const {
 void MeshSceneNode::setAppliedForce(glm::vec3 force) {
     if (_modelNode->isDanglyMesh()) {
         // Convert force from world to object space
-        _danglymeshAnimation.force = _absoluteTransformInv * glm::vec4(force, 0.0f);
+        _danglymeshAnimation.force = _absTransformInv * glm::vec4(force, 0.0f);
     }
 }
 
-glm::vec3 MeshSceneNode::getOrigin() const {
-    return _absoluteTransform * glm::vec4(_modelNode->mesh()->mesh->aabb().center(), 1.0f);
-}
-
 void MeshSceneNode::setDiffuseTexture(const shared_ptr<Texture> &texture) {
     _textures.diffuse = texture;
     refreshMaterial();

src/engine/scene/node/meshnode.h

@@ -17,7 +17,7 @@
 
 #pragma once
 
-#include "scenenode.h"
+#include "modelnodescenenode.h"
 
 #include "../../graphics/material.h"
 #include "../../graphics/model/model.h"
@@ -29,32 +29,25 @@ namespace scene {
 
 class ModelSceneNode;
 
-class MeshSceneNode : public SceneNode {
+class MeshSceneNode : public ModelNodeSceneNode {
 public:
-    MeshSceneNode(SceneGraph *sceneGraph, const ModelSceneNode *modelSceneNode, graphics::ModelNode *modelNode);
+    MeshSceneNode(const ModelSceneNode *model, std::shared_ptr<graphics::ModelNode> modelNode, SceneGraph *sceneGraph);
 
     void update(float dt) override;
-
     void drawSingle(bool shadowPass);
 
-    void setAppliedForce(glm::vec3 force);
-
     bool shouldRender() const;
     bool shouldCastShadows() const;
 
-    glm::vec3 getOrigin() const override;
-
-    bool isTransparent() const override;
+    bool isTransparent() const;
     bool isSelfIlluminated() const;
 
-    const ModelSceneNode *modelSceneNode() const { return _modelSceneNode; }
-    const graphics::ModelNode *modelNode() const { return _modelNode; }
-    const glm::mat4 &boneTransform() const { return _boneTransform; }
+    const ModelSceneNode *model() const { return _model; }
 
-    void setBoneTransform(glm::mat4 transform) { _boneTransform = std::move(transform); }
     void setDiffuseTexture(const std::shared_ptr<graphics::Texture> &texture);
     void setAlpha(float alpha) { _alpha = alpha; }
     void setSelfIllumColor(glm::vec3 color) { _selfIllumColor = std::move(color); }
+    void setAppliedForce(glm::vec3 force);
 
 private:
     struct NodeTextures {
@@ -69,17 +62,15 @@ private:
         glm::vec3 stride { 0.0f }; /**< how far have vertices traveled from the rest position? */
     } _danglymeshAnimation;
 
-    const ModelSceneNode *_modelSceneNode;
-    const graphics::ModelNode *_modelNode;
+    const ModelSceneNode *_model;
 
     graphics::Material _material;
-    glm::mat4 _animTransform { 1.0f };
-    glm::mat4 _boneTransform { 1.0f };
     glm::vec2 _uvOffset { 0.0f };
     float _bumpmapTime { 0.0f };
     int _bumpmapFrame { 0 };
     float _alpha { 1.0f };
     glm::vec3 _selfIllumColor { 0.0f };
+    bool _transparent { false };
 
     void initTextures();
 
@@ -87,6 +78,14 @@ private:
     void refreshAdditionalTextures();
 
     bool isLightingEnabled() const;
+
+    // Animation
+
+    void updateUVAnimation(float dt, const graphics::ModelNode::TriangleMesh &mesh);
+    void updateBumpmapAnimation(float dt, const graphics::ModelNode::TriangleMesh &mesh);
+    void updateDanglyMeshAnimation(float dt, const graphics::ModelNode::TriangleMesh &mesh);
+
+    // END Animation
 };
 
 } // namespace scene

src/engine/scene/node/modelnode.cpp

@@ -15,327 +15,173 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include <stack>
 #include <stdexcept>
 
 #include "../../common/collectionutil.h"
 #include "../../common/log.h"
-#include "../../graphics/featureutil.h"
-#include "../../graphics/mesh/meshes.h"
-#include "../../resource/resources.h"
 
 #include "../scenegraph.h"
 #include "../types.h"
 
-#include "cameranode.h"
 #include "emitternode.h"
 #include "lightnode.h"
 #include "meshnode.h"
 #include "modelnode.h"
 
 using namespace std;
-using namespace std::placeholders;
 
 using namespace reone::graphics;
-using namespace reone::resource;
 
 namespace reone {
 
 namespace scene {
 
-const float kMinDirectionalLightRadius = 1000.0f;
-
-static bool g_debugAABB = false;
-
 ModelSceneNode::ModelSceneNode(
+    shared_ptr<Model> model,
     ModelUsage usage,
-    const shared_ptr<Model> &model,
     SceneGraph *sceneGraph,
-    set<string> ignoreNodes,
     IAnimationEventListener *animEventListener
 ) :
-    SceneNode(SceneNodeType::Model, sceneGraph),
-    _animEventListener(animEventListener),
-    _usage(usage),
+    SceneNode(model->name(), SceneNodeType::Model, sceneGraph),
     _model(model),
-    _animator(this, ignoreNodes) {
-
-    initModelNodes();
+    _usage(usage),
+    _animEventListener(animEventListener) {
 
+    if (!model) {
+        throw invalid_argument("model must not be null");
+    }
     _volumetric = true;
-}
-
-static bool validateEmitter(const ModelNode::Emitter &emitter) {
-    switch (emitter.updateMode) {
-        case ModelNode::Emitter::UpdateMode::Fountain:
-        case ModelNode::Emitter::UpdateMode::Single:
-        case ModelNode::Emitter::UpdateMode::Explosion:
-            break;
-        default:
-            warn("validateEmitter: unsupported update mode: " + to_string(static_cast<int>(emitter.updateMode)));
-            return false;
-    }
-
-    switch (emitter.renderMode) {
-        case ModelNode::Emitter::RenderMode::Normal:
-        case ModelNode::Emitter::RenderMode::BillboardToWorldZ:
-        case ModelNode::Emitter::RenderMode::MotionBlur:
-        case ModelNode::Emitter::RenderMode::BillboardToLocalZ:
-        case ModelNode::Emitter::RenderMode::AlignedToParticleDir:
-            break;
-        default:
-            warn("validateEmitter: unsupported render mode: " + to_string(static_cast<int>(emitter.renderMode)));
-            return false;
-    }
-
-    switch (emitter.blendMode) {
-        case ModelNode::Emitter::BlendMode::Normal:
-        case ModelNode::Emitter::BlendMode::Lighten:
-            break;
-        default:
-            warn("validateEmitter: unsupported blend mode: " + to_string(static_cast<int>(emitter.blendMode)));
-            return false;
-    }
-
-    return true;
-}
-
-void ModelSceneNode::initModelNodes() {
-    shared_ptr<MeshSceneNode> rootNode(getModelNodeSceneNode(*_model->rootNode()));
-    addChild(rootNode);
-
-    stack<MeshSceneNode *> nodes;
-    nodes.push(rootNode.get());
-
-    while (!nodes.empty()) {
-        MeshSceneNode *sceneNode = nodes.top();
-        nodes.pop();
-
-        const ModelNode *modelNode = sceneNode->modelNode();
-        _modelNodeById.insert(make_pair(modelNode->id(), sceneNode));
-
-        for (auto &child : modelNode->children()) {
-            shared_ptr<MeshSceneNode> childNode(getModelNodeSceneNode(*child));
-            addChild(childNode);
-            nodes.push(childNode.get());
-
-            shared_ptr<ModelNode::Light> light(child->light());
-            if (light) {
-                // Light is considered directional if its radius exceeds a certain threshold
-                float radius = child->radius().getByFrameOrElse(0, 1.0f);
-                bool directional = radius >= kMinDirectionalLightRadius;
-
-                auto lightNode = make_shared<LightSceneNode>(light->priority, _sceneGraph);
-                lightNode->setColor(child->color().getByFrameOrElse(0, glm::vec3(1.0f)));
-                lightNode->setMultiplier(child->multiplier().getByFrameOrElse(0, 1.0f));
-                lightNode->setRadius(radius);
-                lightNode->setShadow(light->shadow);
-                lightNode->setAmbientOnly(light->ambientOnly);
-                lightNode->setDirectional(directional);
-                lightNode->setFlareRadius(light->flareRadius);
-                lightNode->setFlares(light->flares);
-
-                childNode->addChild(lightNode);
-                _lightNodeById.insert(make_pair(modelNode->id(), lightNode.get()));
-            }
-
-            shared_ptr<ModelNode::Emitter> emitter(child->emitter());
-            if (emitter && validateEmitter(*emitter)) {
-                auto emitterNode = make_shared<EmitterSceneNode>(this, emitter, _sceneGraph);
-                childNode->addChild(emitterNode);
-                _emitters.push_back(emitterNode);
-            }
-
-            // If model node is a reference, attach the model it contains to the model nodes scene node
-            shared_ptr<ModelNode::Reference> reference(child->reference());
-            if (reference) {
-                attach(*childNode, reference->model, _usage);
-            }
-        }
-    }
 
+    buildNodeTree(_model->rootNode(), this);
     computeAABB();
 }
 
-unique_ptr<MeshSceneNode> ModelSceneNode::getModelNodeSceneNode(ModelNode &node) const {
-    auto sceneNode = make_unique<MeshSceneNode>(_sceneGraph, this, &node);
-    sceneNode->setLocalTransform(node.absoluteTransform());
-    return move(sceneNode);
+void ModelSceneNode::buildNodeTree(shared_ptr<ModelNode> node, SceneNode *parent) {
+    // Convert model node to scene node
+    shared_ptr<ModelNodeSceneNode> sceneNode;
+    if (node->isMesh()) {
+        sceneNode = newMeshSceneNode(node);
+    } else if (node->isLight()) {
+        sceneNode = newLightSceneNode(node);
+    } else if (node->isEmitter()) {
+        sceneNode = newEmitterSceneNode(node);
+    } else {
+        sceneNode = newDummySceneNode(node);
+    }
+
+    if (node->isSkinMesh()) {
+        // Reparent skin meshes to prevent animation being applied twice
+        glm::mat4 transform(node->parent()->absoluteTransform() * node->localTransform());
+        sceneNode->setLocalTransform(move(transform));
+        addChild(sceneNode);
+    } else {
+        sceneNode->setLocalTransform(node->localTransform());
+        parent->addChild(sceneNode);
+    }
+    _nodeById.insert(make_pair(node->id(), sceneNode));
+
+    if (node->isReference()) {
+        auto model = make_shared<ModelSceneNode>(node->reference()->model, _usage, _sceneGraph, _animEventListener);
+        attach(node->id(), move(model));
+    }
+    for (auto &child : node->children()) {
+        buildNodeTree(child, sceneNode.get());
+    }
 }
 
 void ModelSceneNode::update(float dt) {
-    _animator.update(dt, !_culled);
+    // Optimization: skip invisible models
+    if (!_visible) return;
+
     SceneNode::update(dt);
-}
-
-void ModelSceneNode::draw() {
-    if (g_debugAABB) {
-        glm::mat4 transform(_absoluteTransform * _aabb.transform());
-
-        ShaderUniforms uniforms(_sceneGraph->uniformsPrototype());
-        uniforms.combined.general.model = move(transform);
-
-        Shaders::instance().activate(ShaderProgram::ModelColor, uniforms);
-        Meshes::instance().getAABB()->draw();
-    }
-}
-
-shared_ptr<ModelSceneNode> ModelSceneNode::attach(const string &parent, const shared_ptr<Model> &model, ModelUsage usage) {
-    MeshSceneNode *parentNode = getModelNode(parent);
-    return parentNode ? attach(*parentNode, model, usage) : nullptr;
-}
-
-shared_ptr<ModelSceneNode> ModelSceneNode::attach(MeshSceneNode &parent, const shared_ptr<Model> &model, ModelUsage usage) {
-    const ModelNode *parentModelNode = parent.modelNode();
-    uint16_t parentId = parentModelNode->id();
-
-    auto maybeAttached = _attachedModels.find(parentId);
-    if (maybeAttached != _attachedModels.end()) {
-        parent.removeChild(*maybeAttached->second);
-        _attachedModels.erase(maybeAttached);
-    }
-    if (model) {
-        set<string> ignoreNodes;
-        for (const ModelNode *node = parentModelNode; node; node = node->parent()) {
-            ignoreNodes.insert(node->name());
-        }
-        auto modelNode = make_shared<ModelSceneNode>(usage, model, _sceneGraph, ignoreNodes);
-        parent.addChild(modelNode);
-
-        return _attachedModels.insert(make_pair(parentId, move(modelNode))).first->second;
-    }
-
-    return nullptr;
-
-}
-
-MeshSceneNode *ModelSceneNode::getModelNode(const string &name) const {
-    shared_ptr<ModelNode> modelNode(_model->getNodeByName(name));
-    if (!modelNode) return nullptr;
-
-    return getFromLookupOrNull(_modelNodeById, modelNode->id());
-}
-
-MeshSceneNode *ModelSceneNode::getModelNodeById(uint16_t nodeId) const {
-    return getFromLookupOrNull(_modelNodeById, nodeId);
-}
-
-LightSceneNode *ModelSceneNode::getLightNodeById(uint16_t nodeId) const {
-    return getFromLookupOrNull(_lightNodeById, nodeId);
-}
-
-shared_ptr<ModelSceneNode> ModelSceneNode::getAttachedModel(const string &parent) const {
-    shared_ptr<ModelNode> parentModelNode(_model->getNodeByName(parent));
-    if (!parentModelNode) return nullptr;
-
-    return getFromLookupOrNull(_attachedModels, parentModelNode->id());
-}
-
-void ModelSceneNode::attach(const string &parent, const shared_ptr<SceneNode> &node) {
-    shared_ptr<ModelNode> parentModelNode(_model->getNodeByName(parent));
-    if (!parentModelNode) {
-        warn(boost::format("Scene node %s: model node not found: %s") % _model->name() % parent);
-        return;
-    }
-    uint16_t parentId = parentModelNode->id();
-
-    auto maybeNode = _modelNodeById.find(parentId);
-    if (maybeNode != _modelNodeById.end()) {
-        maybeNode->second->addChild(node);
-    }
-}
-
-bool ModelSceneNode::getNodeAbsolutePosition(const string &name, glm::vec3 &position) const {
-    shared_ptr<ModelNode> node(_model->getNodeByName(name));
-    if (!node) {
-        shared_ptr<Model> superModel(_model->superModel());
-        if (superModel) {
-            node = superModel->getNodeByName(name);
-        }
-    }
-    if (!node) return false;
-
-    position = node->absoluteTransform()[3];
-
-    return true;
-}
-
-glm::vec3 ModelSceneNode::getWorldCenterAABB() const {
-    return _absoluteTransform * glm::vec4(_aabb.center(), 1.0f);
-}
-
-const string &ModelSceneNode::getName() const {
-    return _model->name();
-}
-
-void ModelSceneNode::setDiffuseTexture(const shared_ptr<Texture> &texture) {
-    for (auto &child : _children) {
-        if (child->type() == SceneNodeType::ModelNode) {
-            static_pointer_cast<MeshSceneNode>(child)->setDiffuseTexture(texture);
-        }
-    }
-}
-
-void ModelSceneNode::setVisible(bool visible) {
-    if (_visible == visible) return;
-
-    _visible = visible;
-
-    for (auto &attached : _attachedModels) {
-        attached.second->setVisible(visible);
-    }
-}
-
-void ModelSceneNode::setAlpha(float alpha) {
-    _alpha = alpha;
-
-    for (auto &attached : _attachedModels) {
-        attached.second->setAlpha(alpha);
-    }
+    updateAnimations(dt);
 }
 
 void ModelSceneNode::computeAABB() {
     _aabb.reset();
 
-    stack<SceneNode *> nodes;
-    nodes.push(this);
-
-    while (!nodes.empty()) {
-        SceneNode *node = nodes.top();
-        nodes.pop();
-
-        if (node->type() == SceneNodeType::ModelNode) {
-            auto modelNode = static_cast<MeshSceneNode *>(node);
-            shared_ptr<ModelNode::TriangleMesh> mesh(modelNode->modelNode()->mesh());
-            if (mesh) {
-                _aabb.expand(mesh->mesh->aabb() * node->localTransform());
-            }
-        }
-
-        for (auto &child : node->children()) {
-            nodes.push(child.get());
+    for (auto &node : _nodeById) {
+        if (node.second->type() == SceneNodeType::Mesh) {
+            shared_ptr<ModelNode> modelNode(node.second->modelNode());
+            AABB modelSpaceAABB(modelNode->mesh()->mesh->aabb() * modelNode->absoluteTransform());
+            _aabb.expand(modelSpaceAABB);
         }
     }
 }
 
+unique_ptr<DummySceneNode> ModelSceneNode::newDummySceneNode(shared_ptr<ModelNode> node) const {
+    return make_unique<DummySceneNode>(node, _sceneGraph);
+}
+
+unique_ptr<MeshSceneNode> ModelSceneNode::newMeshSceneNode(shared_ptr<ModelNode> node) const {
+    return make_unique<MeshSceneNode>(this, node, _sceneGraph);
+}
+
+unique_ptr<LightSceneNode> ModelSceneNode::newLightSceneNode(shared_ptr<ModelNode> node) const {
+    return make_unique<LightSceneNode>(this, node, _sceneGraph);
+}
+
+unique_ptr<EmitterSceneNode> ModelSceneNode::newEmitterSceneNode(shared_ptr<ModelNode> node) const {
+    return make_unique<EmitterSceneNode>(this, node, _sceneGraph);
+}
+
 void ModelSceneNode::signalEvent(const string &name) {
-    debug(boost::format("Animation event signalled: %s %s") % _model->name() % name, 3);
+    debug(boost::format("Model '%s': event '%s' signalled") % _model->name() % name, 3);
 
     if (name == "detonate") {
-        for (auto &emitter : _emitters) {
-            emitter->detonate();
+        for (auto &node : _nodeById) {
+            if (node.second->type() == SceneNodeType::Emitter) {
+                static_pointer_cast<EmitterSceneNode>(node.second)->detonate();
+            }
         }
     } else if (_animEventListener) {
         _animEventListener->onEventSignalled(name);
     }
 }
 
-void ModelSceneNode::setAppliedForce(glm::vec3 force) {
-    for (auto &nodePair : _modelNodeById) {
-        nodePair.second->setAppliedForce(force);
+void ModelSceneNode::attach(uint16_t parentId, shared_ptr<SceneNode> node) {
+    auto maybeParent = _nodeById.find(parentId);
+    if (maybeParent == _nodeById.end()) return;
+
+    shared_ptr<ModelNodeSceneNode> parent(maybeParent->second);
+    parent->addChild(node);
+    _attachmentByNodeId.insert(make_pair(parentId, node));
+}
+
+void ModelSceneNode::attach(const string &parentName, shared_ptr<SceneNode> node) {
+    auto parent = _model->getNodeByName(parentName);
+    if (parent) {
+        attach(parent->id(), node);
     }
-    for (auto &attached : _attachedModels) {
-        attached.second->setAppliedForce(force);
+}
+
+shared_ptr<ModelNodeSceneNode> ModelSceneNode::getNodeById(uint16_t nodeId) const {
+    return getFromLookupOrNull(_nodeById, nodeId);
+}
+
+shared_ptr<SceneNode> ModelSceneNode::getAttachment(const string &parentName) const {
+    auto parent = _model->getNodeByName(parentName);
+    return parent ? getFromLookupOrNull(_attachmentByNodeId, parent->id()) : nullptr;
+}
+
+void ModelSceneNode::setDiffuseTexture(shared_ptr<Texture> texture) {
+    for (auto &child : _children) {
+        if (child->type() == SceneNodeType::Mesh) {
+            static_pointer_cast<MeshSceneNode>(child)->setDiffuseTexture(texture);
+        }
+    }
+}
+
+void ModelSceneNode::setAppliedForce(glm::vec3 force) {
+    for (auto &node : _nodeById) {
+        if (node.second->type() == SceneNodeType::Mesh) {
+            static_pointer_cast<MeshSceneNode>(node.second)->setAppliedForce(force);
+        }
+    }
+    for (auto &attachment : _attachmentByNodeId) {
+        if (attachment.second->type() == SceneNodeType::Model) {
+            static_pointer_cast<ModelSceneNode>(attachment.second)->setAppliedForce(force);
+        }
     }
 }
 

src/engine/scene/node/modelnode.h

@@ -17,91 +17,148 @@
 
 #pragma once
 
+#include <cstdint>
 #include <set>
 #include <unordered_map>
 
+#include "../../graphics/lip/animation.h"
 #include "../../graphics/model/model.h"
-#include "../../graphics/shader/shaders.h"
-#include "../../graphics/walkmesh/walkmesh.h"
 
-#include "../animation/eventlistener.h"
-#include "../animation/scenenodeanimator.h"
+#include "../animeventlistener.h"
+#include "../animproperties.h"
 #include "../types.h"
 
-#include "scenenode.h"
+#include "dummynode.h"
+#include "emitternode.h"
+#include "lightnode.h"
+#include "meshnode.h"
 
 namespace reone {
 
 namespace scene {
 
-class EmitterSceneNode;
-class LightSceneNode;
-class MeshSceneNode;
+constexpr float kDefaultDrawDistance = 1024.0f;
+constexpr int kNumAnimationChannels = 8;
 
 class ModelSceneNode : public SceneNode {
 public:
     ModelSceneNode(
+        std::shared_ptr<graphics::Model> model,
         ModelUsage usage,
-        const std::shared_ptr<graphics::Model> &model,
         SceneGraph *sceneGraph,
-        std::set<std::string> ignoreNodes = std::set<std::string>(),
         IAnimationEventListener *animEventListener = nullptr);
 
     void update(float dt) override;
-    void draw() override;
 
     void computeAABB();
     void signalEvent(const std::string &name);
+
+    std::shared_ptr<ModelNodeSceneNode> getNodeById(uint16_t nodeId) const;
+
+    std::shared_ptr<graphics::Model> model() const { return _model; }
+    ModelUsage usage() const { return _usage; }
+    float drawDistance() const { return _drawDistance; }
+
+    void setDrawDistance(float distance) { _drawDistance = distance; }
+    void setDiffuseTexture(std::shared_ptr<graphics::Texture> texture);
     void setAppliedForce(glm::vec3 force);
 
-    MeshSceneNode *getModelNode(const std::string &name) const;
-    MeshSceneNode *getModelNodeById(uint16_t nodeId) const;
-    LightSceneNode *getLightNodeById(uint16_t nodeId) const;
-    std::shared_ptr<ModelSceneNode> getAttachedModel(const std::string &parent) const;
-    bool getNodeAbsolutePosition(const std::string &name, glm::vec3 &position) const;
-    glm::vec3 getWorldCenterAABB() const;
-    const std::string &getName() const;
+    // Animation
 
-    ModelUsage usage() const { return _usage; }
-    std::shared_ptr<graphics::Model> model() const { return _model; }
-    std::shared_ptr<graphics::Walkmesh> walkmesh() const { return _walkmesh; }
-    float alpha() const { return _alpha; }
-    float projectileSpeed() const { return _projectileSpeed; }
-    SceneNodeAnimator &animator() { return _animator; }
+    void playAnimation(const std::string &name, AnimationProperties properties = AnimationProperties());
+    void playAnimation(std::shared_ptr<graphics::Animation> anim, std::shared_ptr<graphics::LipAnimation> lipAnim = nullptr, AnimationProperties properties = AnimationProperties());
 
-    void setVisible(bool visible) override;
-    void setDiffuseTexture(const std::shared_ptr<graphics::Texture> &texture);
-    void setAlpha(float alpha);
-    void setProjectileSpeed(float speed) { _projectileSpeed = speed; }
-    void setWalkmesh(std::shared_ptr<graphics::Walkmesh> walkmesh) { _walkmesh = std::move(walkmesh); }
+    bool isAnimationFinished() const;
+
+    void setInanimateNodes(std::set<uint16_t> nodes) { _inanimateNodes = std::move(nodes); }
+
+    // END Animation
 
     // Attachments
 
-    std::shared_ptr<ModelSceneNode> attach(const std::string &parent, const std::shared_ptr<graphics::Model> &model, ModelUsage usage);
-    std::shared_ptr<ModelSceneNode> attach(MeshSceneNode &parent, const std::shared_ptr<graphics::Model> &model, ModelUsage usage);
-    void attach(const std::string &parent, const std::shared_ptr<SceneNode> &node);
+    void attach(uint16_t parentId, std::shared_ptr<SceneNode> node);
+    void attach(const std::string &parentName, std::shared_ptr<SceneNode> node);
+
+    std::shared_ptr<SceneNode> getAttachment(const std::string &parentName) const;
 
     // END Attachments
 
 private:
+    enum class AnimationBlendMode {
+        Single,
+        Blend,
+        Overlay
+    };
+
+    struct AnimationStateFlags {
+        static constexpr int transform = 1;
+        static constexpr int alpha = 2;
+        static constexpr int selfIllumColor = 4;
+    };
+
+    struct AnimationState {
+        int flags { 0 };
+        glm::mat4 transform { 1.0f };
+        float alpha { 0.0f };
+        glm::vec3 selfIllumColor { 0.0f };
+    };
+
+    struct AnimationChannel {
+        std::shared_ptr<graphics::Animation> anim;
+        std::shared_ptr<graphics::LipAnimation> lipAnim;
+        AnimationProperties properties;
+        float time { 0.0f };
+        std::unordered_map<uint16_t, AnimationState> stateById;
+
+        // Flags
+
+        bool finished { false }; /**< channel contains a fire-and-forget animation that has finished playing */
+        bool transition { false }; /**< when computing states, use animation transition time as channel time */
+        bool freeze { false }; /**< channel time is not to be updated */
+
+        // END Flags
+    };
+
+    std::shared_ptr<graphics::Model> _model;
+    ModelUsage _usage;
     IAnimationEventListener *_animEventListener;
 
-    ModelUsage _usage;
-    std::shared_ptr<graphics::Model> _model;
-    std::shared_ptr<graphics::Walkmesh> _walkmesh;
-    SceneNodeAnimator _animator;
+    float _drawDistance { kDefaultDrawDistance };
 
-    std::unordered_map<uint16_t, MeshSceneNode *> _modelNodeById;
-    std::unordered_map<uint16_t, LightSceneNode *> _lightNodeById;
-    std::vector<std::shared_ptr<EmitterSceneNode>> _emitters;
-    std::unordered_map<uint16_t, std::shared_ptr<ModelSceneNode>> _attachedModels;
-    bool _visible { true };
-    float _alpha { 1.0f };
-    float _projectileSpeed { 0.0f };
+    // Lookups
 
-    void initModelNodes();
+    std::unordered_map<uint16_t, std::shared_ptr<ModelNodeSceneNode>> _nodeById;
+    std::unordered_map<uint16_t, std::shared_ptr<SceneNode>> _attachmentByNodeId;
 
-    std::unique_ptr<MeshSceneNode> getModelNodeSceneNode(graphics::ModelNode &node) const;
+    // END Lookups
+
+    // Animation
+
+    AnimationChannel _animChannels[kNumAnimationChannels];
+    AnimationBlendMode _animBlendMode { AnimationBlendMode::Single };
+    std::set<uint16_t> _inanimateNodes; /**< node identifiers that are not to be animated */
+
+    // END Animation
+
+    void buildNodeTree(std::shared_ptr<graphics::ModelNode> node, SceneNode *parent);
+
+    std::unique_ptr<DummySceneNode> newDummySceneNode(std::shared_ptr<graphics::ModelNode> node) const;
+    std::unique_ptr<MeshSceneNode> newMeshSceneNode(std::shared_ptr<graphics::ModelNode> node) const;
+    std::unique_ptr<LightSceneNode> newLightSceneNode(std::shared_ptr<graphics::ModelNode> node) const;
+    std::unique_ptr<EmitterSceneNode> newEmitterSceneNode(std::shared_ptr<graphics::ModelNode> node) const;
+
+    // Animation
+
+    void resetAnimationChannel(AnimationChannel &channel, std::shared_ptr<graphics::Animation> anim = nullptr, std::shared_ptr<graphics::LipAnimation> lipAnim = nullptr, AnimationProperties properties = AnimationProperties());
+    void updateAnimations(float dt);
+    void updateAnimationChannel(AnimationChannel &channel, float dt);
+    void computeAnimationStates(AnimationChannel &channel, float time, const graphics::ModelNode &modelNode);
+    void applyAnimationStates(const graphics::ModelNode &modelNode);
+    void computeBoneTransforms();
+
+    static AnimationBlendMode getAnimationBlendMode(int flags);
+
+    // END Animation
 };
 
 } // namespace scene

src/engine/scene/node/modelnode_animation.cpp

@@ -0,0 +1,336 @@
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "modelnode.h"
+
+#include "glm/gtx/matrix_decompose.hpp"
+#include "glm/gtx/transform.hpp"
+
+using namespace std;
+
+using namespace reone::graphics;
+
+namespace reone {
+
+namespace scene {
+
+void ModelSceneNode::playAnimation(const string &name, AnimationProperties properties) {
+    shared_ptr<Animation> anim(_model->getAnimation(name));
+    if (anim) {
+        playAnimation(anim, nullptr, move(properties));
+    }
+}
+
+void ModelSceneNode::playAnimation(shared_ptr<Animation> anim, shared_ptr<LipAnimation> lipAnim, AnimationProperties properties) {
+    if (properties.scale == 0.0f) {
+        properties.scale = _model->animationScale();
+    }
+    AnimationBlendMode blendMode = getAnimationBlendMode(properties.flags);
+
+    switch (blendMode) {
+        case AnimationBlendMode::Single:
+            // In Single mode, add animation to the first channel
+            resetAnimationChannel(_animChannels[0], anim, lipAnim, properties);
+            break;
+
+        case AnimationBlendMode::Blend: {
+            // In Blend mode, if there is an unfinished animation in the first
+            // channel, move it into the second channel and initiate transition
+            bool transition = false;
+            if (_animChannels[0].anim && !_animChannels[0].finished) {
+                _animChannels[1] = _animChannels[0];
+                _animChannels[1].transition = false;
+                _animChannels[1].freeze = true;
+                transition = true;
+            }
+            // Add animation to the first channel
+            resetAnimationChannel(_animChannels[0], anim, lipAnim, properties);
+            _animChannels[0].transition = transition;
+            break;
+        }
+
+        case AnimationBlendMode::Overlay:
+            // In Overlay mode, add animation to the first channel and move all
+            // other channels down the stack. If current mode is not Overlay,
+            // reset all other channels.
+            if (_animBlendMode == AnimationBlendMode::Overlay) {
+                for (int i = kNumAnimationChannels - 1; i > 0; --i) {
+                    _animChannels[i] = _animChannels[i - 1];
+                }
+            } else {
+                for (int i = 1; i < kNumAnimationChannels; ++i) {
+                    resetAnimationChannel(_animChannels[i]);
+                }
+            }
+            resetAnimationChannel(_animChannels[0], anim, lipAnim, properties);
+            break;
+
+        default:
+            break;
+    }
+
+    _animBlendMode = blendMode;
+
+    // Optionally propagate animation to attachments
+    if (properties.flags & AnimationFlags::propagate) {
+        for (auto &attachment : _attachmentByNodeId) {
+            if (attachment.second->type() == SceneNodeType::Model) {
+                static_pointer_cast<ModelSceneNode>(attachment.second)->playAnimation(anim, lipAnim, properties);
+            }
+        }
+    }
+}
+
+ModelSceneNode::AnimationBlendMode ModelSceneNode::getAnimationBlendMode(int flags) {
+    return (flags & AnimationFlags::blend) ?
+        AnimationBlendMode::Blend :
+        ((flags & AnimationFlags::overlay) ? AnimationBlendMode::Overlay : AnimationBlendMode::Single);
+}
+
+void ModelSceneNode::resetAnimationChannel(AnimationChannel &channel, shared_ptr<Animation> anim, shared_ptr<LipAnimation> lipAnim, AnimationProperties properties) {
+    channel.anim = move(anim);
+    channel.lipAnim = move(lipAnim);
+    channel.properties = move(properties);
+    channel.time = 0.0f;
+    channel.stateById.clear();
+    channel.finished = false;
+    channel.transition = false;
+    channel.freeze = false;
+}
+
+void ModelSceneNode::updateAnimations(float dt) {
+    for (auto &channel : _animChannels) {
+        updateAnimationChannel(channel, dt);
+    }
+
+    // Apply states and compute bone transforms only when this model is not culled
+    if (!_culled) {
+        applyAnimationStates(*_model->rootNode());
+        computeBoneTransforms();
+    }
+}
+
+void ModelSceneNode::updateAnimationChannel(AnimationChannel &channel, float dt) {
+    // Do not update if there is no animation, freezed or a finished animation
+    // in the channel
+    if (!channel.anim || channel.freeze || channel.finished) return;
+
+    // Take length from the lip animation, if any
+    float length = channel.lipAnim ? channel.lipAnim->length() : channel.anim->length();
+
+    // Advance time
+    channel.time = glm::min(length, channel.time + channel.properties.speed * dt);
+
+    // Clear transition flag if past transition time
+    if (channel.transition && channel.time >= channel.anim->transitionTime()) {
+        channel.transition = false;
+    }
+
+    // Signal events between previous and current time
+    for (auto &event : channel.anim->events()) {
+        if (event.time > channel.time && event.time <= channel.time) {
+            signalEvent(event.name);
+        }
+    }
+
+    // Loop or finish playing the animation
+    if (channel.time == length) {
+        bool loop = channel.properties.flags & AnimationFlags::loop;
+        if (loop) {
+            channel.time = 0.0f;
+        } else {
+            channel.finished = true;
+        }
+    }
+
+    // Compute animation states only when this model is not culled
+    if (!_culled) {
+        float time = channel.transition ? channel.anim->transitionTime() : channel.time;
+        channel.stateById.clear();
+        computeAnimationStates(channel, time, *_model->rootNode());
+    }
+}
+
+void ModelSceneNode::computeAnimationStates(AnimationChannel &channel, float time, const ModelNode &modelNode) {
+    shared_ptr<ModelNode> animNode(channel.anim->getNodeById(modelNode.id()));
+    if (animNode && _inanimateNodes.count(modelNode.id()) == 0) {
+        AnimationState state;
+        state.flags = 0;
+
+        glm::vec3 position(modelNode.restPosition());
+        glm::quat orientation(modelNode.restOrientation());
+        float scale = 1.0f;
+
+        if (channel.lipAnim) {
+            uint8_t leftShape, rightShape;
+            float factor;
+            if (channel.lipAnim->getKeyframes(time, leftShape, rightShape, factor)) {
+                glm::vec3 animPosition;
+                if (animNode->getPosition(leftShape, rightShape, factor, animPosition)) {
+                    position += channel.properties.scale * animPosition;
+                    state.flags |= AnimationStateFlags::transform;
+                }
+                glm::quat animOrientation;
+                if (animNode->getOrientation(leftShape, rightShape, factor, animOrientation)) {
+                    orientation = move(animOrientation);
+                    state.flags |= AnimationStateFlags::transform;
+                }
+                float animScale;
+                if (animNode->getScale(leftShape, rightShape, factor, animScale)) {
+                    scale = animScale;
+                    state.flags |= AnimationStateFlags::transform;
+                }
+            }
+        } else {
+            glm::vec3 animPosition;
+            if (animNode->position().getByTime(time, animPosition)) {
+                position += channel.properties.scale * animPosition;
+                state.flags |= AnimationStateFlags::transform;
+            }
+            glm::quat animOrientation;
+            if (animNode->orientation().getByTime(time, animOrientation)) {
+                orientation = move(animOrientation);
+                state.flags |= AnimationStateFlags::transform;
+            }
+            float animScale;
+            if (animNode->scale().getByTime(time, animScale)) {
+                scale = animScale;
+                state.flags |= AnimationStateFlags::transform;
+            }
+        }
+
+        if (state.flags & AnimationStateFlags::transform) {
+            state.transform *= glm::scale(glm::vec3(scale));
+            state.transform *= glm::translate(position);
+            state.transform *= glm::mat4_cast(orientation);
+        }
+
+        float animAlpha;
+        if (animNode->alpha().getByTime(time, animAlpha)) {
+            state.flags |= AnimationStateFlags::alpha;
+            state.alpha = animAlpha;
+        }
+
+        glm::vec3 animSelfIllum;
+        if (animNode->selfIllumColor().getByTime(time, animSelfIllum)) {
+            state.flags |= AnimationStateFlags::selfIllumColor;
+            state.selfIllumColor = move(animSelfIllum);
+        }
+
+        channel.stateById.insert(make_pair(modelNode.id(), move(state)));
+    }
+
+    for (auto &child : modelNode.children()) {
+        computeAnimationStates(channel, time, *child);
+    }
+}
+
+void ModelSceneNode::applyAnimationStates(const ModelNode &modelNode) {
+    auto maybeSceneNode = _nodeById.find(modelNode.id());
+    if (maybeSceneNode != _nodeById.end()) {
+        shared_ptr<SceneNode> sceneNode(maybeSceneNode->second);
+        AnimationState combined;
+
+        switch (_animBlendMode) {
+            case AnimationBlendMode::Single:
+            case AnimationBlendMode::Blend: {
+                bool blend = _animBlendMode == AnimationBlendMode::Blend && _animChannels[0].transition;
+                auto state1 = _animChannels[0].stateById.count(modelNode.id()) > 0 ? _animChannels[0].stateById[modelNode.id()] : AnimationState();
+                auto state2 = _animChannels[1].stateById.count(modelNode.id()) > 0 ? _animChannels[1].stateById[modelNode.id()] : AnimationState();
+                if (blend && state1.flags & AnimationStateFlags::transform && state2.flags & AnimationStateFlags::transform) {
+                    float factor = glm::min(1.0f, _animChannels[0].time / _animChannels[0].anim->transitionTime());
+                    glm::vec3 scale1, scale2, translation1, translation2, skew;
+                    glm::quat orientation1, orientation2;
+                    glm::vec4 perspective;
+                    glm::decompose(state1.transform, scale1, orientation1, translation1, skew, perspective);
+                    glm::decompose(state2.transform, scale2, orientation2, translation2, skew, perspective);
+                    combined.flags |= AnimationStateFlags::transform;
+                    combined.transform *= glm::scale(glm::mix(scale2, scale1, factor));
+                    combined.transform *= glm::translate(glm::mix(translation2, translation1, factor));
+                    combined.transform *= glm::mat4_cast(glm::slerp(orientation2, orientation1, factor));
+                } else if (state1.flags & AnimationStateFlags::transform) {
+                    combined.flags |= AnimationStateFlags::transform;
+                    combined.transform = state1.transform;
+                }
+                if (state1.flags & AnimationStateFlags::alpha) {
+                    combined.flags |= AnimationStateFlags::alpha;
+                    combined.alpha = state1.alpha;
+                }
+                if (state1.flags & AnimationStateFlags::selfIllumColor) {
+                    combined.flags |= AnimationStateFlags::selfIllumColor;
+                    combined.selfIllumColor = state1.selfIllumColor;
+                }
+                break;
+            }
+            case AnimationBlendMode::Overlay:
+                for (int i = 0; i < kNumAnimationChannels; ++i) {
+                    auto maybeState = _animChannels[i].stateById.find(modelNode.id());
+                    if (maybeState != _animChannels[i].stateById.end()) {
+                        const AnimationState &state = maybeState->second;
+                        if ((state.flags & AnimationStateFlags::transform) && !(combined.flags & AnimationStateFlags::transform)) {
+                            combined.flags |= AnimationStateFlags::transform;
+                            combined.transform = state.transform;
+                        }
+                        if ((state.flags & AnimationStateFlags::alpha) && !(combined.flags & AnimationStateFlags::alpha)) {
+                            combined.flags |= AnimationStateFlags::alpha;
+                            combined.alpha = state.alpha;
+                        }
+                        if ((state.flags & AnimationStateFlags::selfIllumColor) && !(combined.flags & AnimationStateFlags::selfIllumColor)) {
+                            combined.flags |= AnimationStateFlags::selfIllumColor;
+                            combined.selfIllumColor = state.selfIllumColor;
+                        }
+                    }
+                }
+                break;
+            default:
+                break;
+        }
+
+        if (combined.flags & AnimationStateFlags::transform) {
+            sceneNode->setLocalTransform(combined.transform);
+        } else if (!modelNode.isSkinMesh()) {
+            sceneNode->setLocalTransform(modelNode.localTransform());
+        }
+        if (combined.flags & AnimationStateFlags::alpha) {
+            static_pointer_cast<MeshSceneNode>(sceneNode)->setAlpha(combined.alpha);
+        }
+        if (combined.flags & AnimationStateFlags::selfIllumColor) {
+            static_pointer_cast<MeshSceneNode>(sceneNode)->setSelfIllumColor(combined.selfIllumColor);
+        }
+    }
+
+    for (auto &child : modelNode.children()) {
+        applyAnimationStates(*child);
+    }
+}
+
+void ModelSceneNode::computeBoneTransforms() {
+    for (auto &node : _nodeById) {
+        glm::mat4 transform(1.0f);
+        transform = node.second->absoluteTransform() * node.second->modelNode()->absoluteTransformInverse(); // make relative to the rest pose (world space)
+        transform = _absTransformInv * transform; // world space to model space
+        node.second->setBoneTransform(move(transform));
+    }
+}
+
+bool ModelSceneNode::isAnimationFinished() const {
+    return _animChannels[0].anim && _animChannels[0].finished;
+}
+
+} // namespace scene
+
+} // namespace reone

src/engine/scene/node/modelnodescenenode.cpp

@@ -15,29 +15,26 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-#pragma once
+#include "modelnodescenenode.h"
 
-#include "glm/mat4x4.hpp"
-#include "glm/vec3.hpp"
+#include <stdexcept>
 
-#include "../types.h"
+using namespace std;
+
+using namespace reone::graphics;
 
 namespace reone {
 
 namespace scene {
 
-/**
- * @see SceneNodeStateFlags
- */
-struct SceneNodeState {
-    int flags { 0 };
-    glm::mat4 transform { 1.0f };
-    float alpha { 1.0f };
-    glm::vec3 selfIllumColor { 0.0f };
-    glm::vec3 lightColor { 1.0f };
-    float lightMultiplier { 1.0f };
-    float lightRadius { 1.0f };
-};
+ModelNodeSceneNode::ModelNodeSceneNode(shared_ptr<ModelNode> modelNode, SceneNodeType type, SceneGraph *sceneGraph) :
+    SceneNode(modelNode->name(), type, sceneGraph),
+    _modelNode(modelNode) {
+
+    if (!modelNode) {
+        throw invalid_argument("modelNode must not be null");
+    }
+}
 
 } // namespace scene
 

src/engine/scene/node/modelnodescenenode.h

@@ -17,44 +17,28 @@
 
 #pragma once
 
-#include "glm/vec3.hpp"
+#include "../../graphics/model/modelnode.h"
+
+#include "scenenode.h"
 
 namespace reone {
 
 namespace scene {
 
-class EmitterSceneNode;
-
-class Particle {
+class ModelNodeSceneNode : public SceneNode {
 public:
-    Particle(glm::vec3 position, float velocity, EmitterSceneNode *emitter);
+    std::shared_ptr<graphics::ModelNode> modelNode() const { return _modelNode; }
+    const glm::mat4 &boneTransform() const { return _boneTransform; }
 
-    void update(float dt);
+    void setBoneTransform(glm::mat4 transform) { _boneTransform = std::move(transform); }
 
-    bool isExpired() const;
+protected:
+    std::shared_ptr<graphics::ModelNode> _modelNode;
 
-    EmitterSceneNode *emitter() const { return _emitter; }
-    const glm::vec3 &position() const { return _position; }
-    float size() const { return _size; }
-    int frame() const { return _frame; }
-    const glm::vec3 &color() const { return _color; }
-    float alpha() const { return _alpha; }
+    ModelNodeSceneNode(std::shared_ptr<graphics::ModelNode> modelNode, SceneNodeType type, SceneGraph *sceneGraph);
 
 private:
-    glm::vec3 _position;
-    float _velocity;
-    EmitterSceneNode *_emitter;
-
-    float _animLength { 0.0f };
-    int _renderOrder { 0 };
-    float _lifetime { 0.0f };
-    int _frame { 0 };
-    float _size { 1.0f };
-    glm::vec3 _color { 1.0f };
-    float _alpha { 1.0f };
-
-    void init();
-    void updateAnimation(float dt);
+    glm::mat4 _boneTransform { 1.0f }; /**< model space transform relative to the rest pose */
 };
 
 } // namespace scene

src/engine/scene/node/scenenode.cpp

@@ -17,34 +17,50 @@
 
 #include "scenenode.h"
 
-#include <algorithm>
-
 #include "glm/gtx/norm.hpp"
 
-#include "../scenegraph.h"
-
 using namespace std;
 
 namespace reone {
 
 namespace scene {
 
-SceneNode::SceneNode(SceneNodeType type, SceneGraph *sceneGraph) : _type(type), _sceneGraph(sceneGraph) {
+SceneNode::SceneNode(string name, SceneNodeType type, SceneGraph *sceneGraph) :
+    _name(move(name)),
+    _type(type),
+    _sceneGraph(sceneGraph) {
 }
 
-void SceneNode::addChild(const shared_ptr<SceneNode> &node) {
-    node->setParent(this);
+void SceneNode::addChild(shared_ptr<SceneNode> node) {
+    node->_parent = this;
+    node->computeAbsoluteTransforms();
     _children.push_back(node);
 }
 
+void SceneNode::computeAbsoluteTransforms() {
+    if (_parent) {
+        _absTransform = _parent->_absTransform * _localTransform;
+    } else {
+        _absTransform = _localTransform;
+    }
+    _absTransformInv = glm::inverse(_absTransform);
+
+    for (auto &child : _children) {
+        child->computeAbsoluteTransforms();
+    }
+
+    onAbsoluteTransformChanged();
+}
+
 void SceneNode::removeChild(SceneNode &node) {
     auto maybeChild = find_if(
         _children.begin(),
         _children.end(),
-        [&node](const shared_ptr<SceneNode> &n) { return n.get() == &node; });
+        [&node](auto &n) { return n.get() == &node; });
 
     if (maybeChild != _children.end()) {
-        node.setParent(nullptr);
+        node._parent = nullptr;
+        node.computeAbsoluteTransforms();
         _children.erase(maybeChild);
     }
 }
@@ -62,7 +78,7 @@ void SceneNode::draw() {
 }
 
 glm::vec3 SceneNode::getOrigin() const {
-    return glm::vec3(_absoluteTransform[3]);
+    return glm::vec3(_absTransform[3]);
 }
 
 float SceneNode::getDistanceTo(const glm::vec3 &point) const {
@@ -81,36 +97,13 @@ float SceneNode::getDistanceTo2(const SceneNode &other) const {
     return glm::distance2(getOrigin(), other.getOrigin());
 }
 
-void SceneNode::setParent(const SceneNode *parent) {
-    _parent = parent;
-    updateAbsoluteTransform();
+glm::vec3 SceneNode::getWorldCenterOfAABB() const {
+    return _absTransform * glm::vec4(_aabb.center(), 1.0f);
 }
 
-void SceneNode::updateAbsoluteTransform() {
-    _absoluteTransform = _parent ? _parent->_absoluteTransform : glm::mat4(1.0f);
-    _absoluteTransform *= _localTransform;
-    _absoluteTransformInv = glm::inverse(_absoluteTransform);
-
-    for (auto &child : _children) {
-        child->updateAbsoluteTransform();
-    }
-}
-
-void SceneNode::setLocalTransform(const glm::mat4 &transform) {
-    _localTransform = transform;
-    updateAbsoluteTransform();
-}
-
-void SceneNode::setPosition(glm::vec3 position) {
-    setLocalTransform(glm::translate(glm::mat4(1.0f), position));
-}
-
-void SceneNode::setVisible(bool visible) {
-    _visible = visible;
-}
-
-void SceneNode::setTransparent(bool transparent) {
-    _transparent = transparent;
+void SceneNode::setLocalTransform(glm::mat4 transform) {
+    _localTransform = move(transform);
+    computeAbsoluteTransforms();
 }
 
 } // namespace scene

src/engine/scene/node/scenenode.h

@@ -18,11 +18,13 @@
 #pragma once
 
 #include <memory>
+#include <string>
 #include <vector>
 
 #include <boost/noncopyable.hpp>
 
 #include "glm/mat4x4.hpp"
+#include "glm/vec3.hpp"
 
 #include "../../graphics/aabb.h"
 
@@ -32,96 +34,96 @@ namespace reone {
 
 namespace scene {
 
-constexpr float kDefaultDrawDistance = 1024.0f;
-
 class SceneGraph;
 
 class SceneNode : boost::noncopyable {
 public:
-    void addChild(const std::shared_ptr<SceneNode> &node);
+    void addChild(std::shared_ptr<SceneNode> node);
     void removeChild(SceneNode &node);
 
     virtual void update(float dt);
-
     virtual void draw();
 
     bool isVisible() const { return _visible; }
-    virtual bool isTransparent() const { return _transparent; }
-    bool isVolumetric() const { return _volumetric; }
     bool isCullable() const { return _cullable; }
     bool isCulled() const { return _culled; }
+    bool isVolumetric() const { return _volumetric; }
 
-    virtual glm::vec3 getOrigin() const;
+    glm::vec3 getOrigin() const;
 
     /**
-     * @return distance from the origin of this node to the point
+     * @return distance from the origin of this node to the specified point
      */
     float getDistanceTo(const glm::vec3 &point) const;
 
     /**
-     * @return squared distance from the origin of this node to the point
+     * @return squared distance from the origin of this node to the specified point
      */
     float getDistanceTo2(const glm::vec3 &point) const;
 
     /**
-     * @return shortest distance from the origin of this node to the other node
+     * @return distance between origins of this and the specified node
      */
     float getDistanceTo(const SceneNode &other) const;
 
     /**
-     * @return shortest distance (squared) from the origin of this node to the other node
+     * @return squared distance between origins of this and the specified node
      */
     float getDistanceTo2(const SceneNode &other) const;
 
+    glm::vec3 getWorldCenterOfAABB() const;
+
+    const std::string &name() const { return _name; }
     SceneNodeType type() const { return _type; }
     const SceneNode *parent() const { return _parent; }
-    const glm::mat4 &localTransform() const { return _localTransform; }
-    const glm::mat4 &absoluteTransform() const { return _absoluteTransform; }
-    const glm::mat4 &absoluteTransformInverse() const { return _absoluteTransformInv; }
-    const graphics::AABB &aabb() const { return _aabb; }
     const std::vector<std::shared_ptr<SceneNode>> &children() const { return _children; }
-    float drawDistance() const { return _drawDistance; }
+    const graphics::AABB &aabb() const { return _aabb; }
 
-    void setParent(const SceneNode *parent);
-    virtual void setLocalTransform(const glm::mat4 &transform);
-    void setPosition(glm::vec3 position);
-    virtual void setVisible(bool visible);
-    void setTransparent(bool transparent);
-    void setDrawDistance(float distance) { _drawDistance = distance; }
+    void setVisible(bool visible) { _visible = visible; }
     void setCullable(bool cullable) { _cullable = cullable; }
     void setCulled(bool culled) { _culled = culled; }
 
+    // Transformations
+
+    const glm::mat4 &localTransform() const { return _localTransform; }
+    const glm::mat4 &absoluteTransform() const { return _absTransform; }
+    const glm::mat4 &absoluteTransformInverse() const { return _absTransformInv; }
+
+    void setLocalTransform(glm::mat4 transform);
+
+    // END Transformations
+
 protected:
+    std::string _name;
     SceneNodeType _type;
     SceneGraph *_sceneGraph;
 
     graphics::AABB _aabb;
-    float _drawDistance { kDefaultDrawDistance };
-
-    bool _visible { true };
-    bool _transparent { false };
-    bool _volumetric { false }; /**< does this model have a bounding box, or is it a point? */
-    bool _cullable { false }; /**< can this model be frustum- or distance-culled? */
-    bool _culled { false }; /**< has this model been frustum- or distance-culled? */
-
-    // Relations
-
     const SceneNode *_parent { nullptr };
     std::vector<std::shared_ptr<SceneNode>> _children;
 
-    // END Relations
-
-    // Transformation matrices
+    // Transformations
 
     glm::mat4 _localTransform { 1.0f };
-    glm::mat4 _absoluteTransform { 1.0f };
-    glm::mat4 _absoluteTransformInv { 1.0f };
+    glm::mat4 _absTransform { 1.0f };
+    glm::mat4 _absTransformInv { 1.0f };
 
-    // END Transformation matrices
+    // END Transformations
 
-    SceneNode(SceneNodeType type, SceneGraph *sceneGraph);
+    // Flags
 
-    virtual void updateAbsoluteTransform();
+    bool _visible { true };
+    bool _cullable { false }; /**< can this scene node be frustum- or distance-culled? */
+    bool _culled { false }; /**< has this scene node been frustum- or distance-culled? */
+    bool _volumetric { false }; /**< does this scene node have a bounding box? */
+
+    // END Flags
+
+    SceneNode(std::string name, SceneNodeType type, SceneGraph *sceneGraph);
+
+    void computeAbsoluteTransforms();
+
+    virtual void onAbsoluteTransformChanged() { }
 };
 
 } // namespace scene

src/engine/scene/particle.cpp

@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2020-2021 The reone project contributors
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include "particle.h"
-
-#include <stdexcept>
-
-#include "node/emitternode.h"
-
-using namespace std;
-
-using namespace reone::graphics;
-
-namespace reone {
-
-namespace scene {
-
-Particle::Particle(glm::vec3 position, float velocity, EmitterSceneNode *emitter) :
-    _position(position),
-    _velocity(velocity),
-    _emitter(emitter) {
-
-    if (!emitter) {
-        throw invalid_argument("emitter must not be null");
-    }
-
-    init();
-}
-
-void Particle::init() {
-    shared_ptr<ModelNode::Emitter> emitter(_emitter->emitter());
-
-    if (emitter->fps > 0) {
-        _animLength = (emitter->frameEnd - emitter->frameStart + 1) / static_cast<float>(emitter->fps);
-    }
-
-    _renderOrder = emitter->renderOrder;
-    _frame = emitter->frameStart;
-}
-
-void Particle::update(float dt) {
-    shared_ptr<ModelNode::Emitter> emitter(_emitter->emitter());
-
-    if (emitter->lifeExpectancy != -1) {
-        _lifetime = glm::min(_lifetime + dt, static_cast<float>(emitter->lifeExpectancy));
-    } else if (_lifetime == _animLength) {
-        _lifetime = 0.0f;
-    } else {
-        _lifetime = glm::min(_lifetime + dt, _animLength);
-    }
-
-    if (!isExpired()) {
-        _position.z += _velocity * dt;
-        updateAnimation(dt);
-    }
-}
-
-template <class T>
-static T interpolateConstraints(const ModelNode::Emitter::Constraints<T> &constraints, float t) {
-    T result;
-    if (t < 0.5f) {
-        float tt = 2.0f * t;
-        result = (1.0f - tt) * constraints.start + tt * constraints.mid;
-    } else {
-        float tt = 2.0f * (t - 0.5f);
-        result = (1.0f - tt) * constraints.mid + tt * constraints.end;
-    }
-    return result;
-}
-
-void Particle::updateAnimation(float dt) {
-    shared_ptr<ModelNode::Emitter> emitter(_emitter->emitter());
-
-    float maturity;
-    if (emitter->lifeExpectancy != -1) {
-        maturity = _lifetime / static_cast<float>(emitter->lifeExpectancy);
-    } else if (_animLength > 0.0f) {
-        maturity = _lifetime / _animLength;
-    } else {
-        maturity = 0.0f;
-    }
-
-    _frame = static_cast<int>(glm::ceil(emitter->frameStart + maturity * (emitter->frameEnd - emitter->frameStart)));
-    _size = interpolateConstraints(emitter->particleSize, maturity);
-    _color = interpolateConstraints(emitter->color, maturity);
-    _alpha = interpolateConstraints(emitter->alpha, maturity);
-}
-
-bool Particle::isExpired() const {
-    shared_ptr<ModelNode::Emitter> emitter(_emitter->emitter());
-    return emitter->lifeExpectancy != -1 && _lifetime >= emitter->lifeExpectancy;
-}
-
-} // namespace scene
-
-} // namespace reone

src/engine/scene/scenegraph.cpp

@@ -76,12 +76,16 @@ void SceneGraph::update(float dt) {
 
 void SceneGraph::cullRoots() {
     for (auto &root : _roots) {
-        bool culled =
-            !root->isVisible() ||
-            root->getDistanceTo2(*_activeCamera) > root->drawDistance() * root->drawDistance() ||
-            (root->isCullable() && !_activeCamera->isInFrustum(*root));
+        if (root->type() != SceneNodeType::Model) continue;
 
-        root->setCulled(culled);
+        auto modelRoot = static_pointer_cast<ModelSceneNode>(root);
+
+        bool culled =
+            !modelRoot->isVisible() ||
+            modelRoot->getDistanceTo2(*_activeCamera) > modelRoot->drawDistance() * modelRoot->drawDistance() ||
+            (modelRoot->isCullable() && !_activeCamera->isInFrustum(*root));
+
+        modelRoot->setCulled(culled);
     }
 }
 
@@ -89,7 +93,7 @@ void SceneGraph::updateLighting() {
     _closestLights.clear();
 
     if (_lightingRefNode) {
-        getLightsAt(*_lightingRefNode, _closestLights, kMaxLights, [](auto &light) { return !light.isAmbientOnly(); });
+        getLightsAt(*_lightingRefNode, _closestLights, kMaxLights, [](auto &light) { return !light.modelNode()->light()->ambientOnly; });
     }
 }
 
@@ -127,7 +131,7 @@ void SceneGraph::refreshFromSceneNode(const std::shared_ptr<SceneNode> &node) {
             }
             break;
         }
-        case SceneNodeType::ModelNode: {
+        case SceneNodeType::Mesh: {
             // For model nodes, determine whether they should be rendered and cast shadows
             auto modelNode = static_pointer_cast<MeshSceneNode>(node);
             if (modelNode->shouldRender()) {
@@ -168,7 +172,7 @@ void SceneGraph::refreshShadowLight() {
 
     if (_lightingRefNode) {
         vector<LightSceneNode *> lights;
-        getLightsAt(*_lightingRefNode, lights, 1, [](auto &light) { return light.isShadow(); });
+        getLightsAt(*_lightingRefNode, lights, 1, [](auto &light) { return light.modelNode()->light()->shadow; });
 
         if (!lights.empty()) {
             nextShadowLight = lights.front();
@@ -221,11 +225,11 @@ void SceneGraph::prepareParticles() {
     static glm::vec4 viewport(-1.0f, -1.0f, 1.0f, 1.0f);
 
     // Extract particles from all emitters, sort them by depth
-    vector<pair<Particle *, float>> particlesZ;
+    vector<pair<EmitterSceneNode::Particle *, float>> particlesZ;
     for (auto &emitter : _emitters) {
         glm::mat4 modelView(_activeCamera->view() * emitter->absoluteTransform());
         for (auto &particle : emitter->particles()) {
-            glm::vec3 screen(glm::project(particle->position(), modelView, _activeCamera->projection(), viewport));
+            glm::vec3 screen(glm::project(particle->position, modelView, _activeCamera->projection(), viewport));
             if (screen.z >= 0.5f && glm::abs(screen.x) <= 1.0f && glm::abs(screen.y) <= 1.0f) {
                 particlesZ.push_back(make_pair(particle.get(), screen.z));
             }
@@ -238,18 +242,18 @@ void SceneGraph::prepareParticles() {
     // Map (particle, Z) pairs to (emitter, particles)
     _particles.clear();
     EmitterSceneNode *emitter = nullptr;
-    vector<Particle *> emitterParticles;
+    vector<EmitterSceneNode::Particle *> emitterParticles;
     for (auto &pair : particlesZ) {
-        if (pair.first->emitter() != emitter) {
+        if (pair.first->emitter != emitter) {
             flushEmitterParticles(emitter, emitterParticles);
-            emitter = pair.first->emitter();
+            emitter = pair.first->emitter;
         }
         emitterParticles.push_back(pair.first);
     }
     flushEmitterParticles(emitter, emitterParticles);
 }
 
-void SceneGraph::flushEmitterParticles(EmitterSceneNode *emitter, vector<Particle *> &particles) {
+void SceneGraph::flushEmitterParticles(EmitterSceneNode *emitter, vector<EmitterSceneNode::Particle *> &particles) {
     if (emitter && !particles.empty()) {
         _particles.push_back(make_pair(emitter, particles));
         particles.clear();
@@ -266,8 +270,8 @@ void SceneGraph::prepareGrass() {
         float grassDistance2 = kMaxGrassDistance * kMaxGrassDistance;
 
         for (auto &node : _grass) {
-            vector<GrassCluster> clusters;
-            vector<pair<GrassCluster, float>> clustersZ;
+            vector<GrassSceneNode::Cluster> clusters;
+            vector<pair<GrassSceneNode::Cluster, float>> clustersZ;
             for (auto &cluster : node->clusters()) {
                 float distance2 = glm::distance2(cameraPos, cluster.position);
                 if (distance2 <= grassDistance2) {
@@ -303,25 +307,11 @@ void SceneGraph::draw(bool shadowPass) {
         return;
     }
 
-    // Render opaque roots
-    for (auto &root : _roots) {
-        if (!root->isTransparent()) {
-            root->draw();
-        }
-    }
-
     // Render opaque meshes
     for (auto &mesh : _opaqueMeshes) {
         mesh->drawSingle(false);
     }
 
-    // Render transparent roots
-    for (auto &root : _roots) {
-        if (root->isTransparent()) {
-            root->draw();
-        }
-    }
-
     // Render transparent meshes
     for (auto &mesh : _transparentMeshes) {
         mesh->drawSingle(false);
@@ -340,10 +330,11 @@ void SceneGraph::draw(bool shadowPass) {
     // Render lens flares
     for (auto &light : _lights) {
         // Ignore lights that are too far away or outside of camera frustum
-        if (_activeCamera->getDistanceTo2(*light) > light->flareRadius() * light->flareRadius() ||
+        float flareRadius = light->modelNode()->light()->flareRadius;
+        if (_activeCamera->getDistanceTo2(*light) > flareRadius * flareRadius ||
             !_activeCamera->isInFrustum(light->absoluteTransform()[3])) continue;
 
-        for (auto &flare : light->flares()) {
+        for (auto &flare : light->modelNode()->light()->flares) {
             light->drawLensFlares(flare);
         }
     }
@@ -372,8 +363,11 @@ void SceneGraph::getLightsAt(
 
     // Sort lights by priority and radius
     sort(lights.begin(), lights.end(), [&distances](LightSceneNode *left, LightSceneNode *right) {
-        if (left->priority() < right->priority()) return true;
-        if (left->priority() > right->priority()) return false;
+        int leftPriority = left->modelNode()->light()->priority;
+        int rightPriority = right->modelNode()->light()->priority;
+
+        if (leftPriority < rightPriority) return true;
+        if (leftPriority > rightPriority) return false;
 
         float leftDistance = distances.find(left)->second;
         float rightDistance = distances.find(right)->second;

src/engine/scene/scenegraph.h

@@ -29,20 +29,16 @@
 #include "../graphics/shader/shaders.h"
 #include "../graphics/types.h"
 
-#include "grasscluster.h"
+#include "node/cameranode.h"
+#include "node/emitternode.h"
+#include "node/grassnode.h"
+#include "node/lightnode.h"
+#include "node/meshnode.h"
 
 namespace reone {
 
 namespace scene {
 
-class CameraSceneNode;
-class EmitterSceneNode;
-class GrassSceneNode;
-class LightSceneNode;
-class MeshSceneNode;
-class Particle;
-class SceneNode;
-
 /**
  * Responsible for managing drawable objects and their relations.
  *
@@ -125,8 +121,8 @@ private:
     std::vector<LightSceneNode *> _lights;
     std::vector<EmitterSceneNode *> _emitters;
     std::vector<GrassSceneNode *> _grass;
-    std::vector<std::pair<EmitterSceneNode *, std::vector<Particle *>>> _particles;
-    std::vector<std::pair<GrassSceneNode *, std::vector<GrassCluster>>> _grassClusters;
+    std::vector<std::pair<EmitterSceneNode *, std::vector<EmitterSceneNode::Particle *>>> _particles;
+    std::vector<std::pair<GrassSceneNode *, std::vector<GrassSceneNode::Cluster>>> _grassClusters;
 
     uint32_t _textureId { 0 };
     bool _updateRoots { true };
@@ -164,7 +160,7 @@ private:
     void prepareParticles();
     void prepareGrass();
 
-    inline void flushEmitterParticles(EmitterSceneNode *emitter, std::vector<Particle *> &particles);
+    inline void flushEmitterParticles(EmitterSceneNode *emitter, std::vector<EmitterSceneNode::Particle *> &particles);
 };
 
 } // namespace scene

src/engine/scene/types.h

@@ -22,10 +22,10 @@ namespace reone {
 namespace scene {
 
 enum class SceneNodeType {
-    Mesh,
-    Model,
-    ModelNode,
+    Dummy,
     Camera,
+    Model,
+    Mesh,
     Light,
     Emitter,
     Grass
@@ -39,15 +39,14 @@ enum class ModelUsage {
     Door,
     Equipment,
     Projectile,
-    Other
+    Camera
 };
 
 struct AnimationFlags {
     static constexpr int loop = 1;
     static constexpr int blend = 2; /**< blend previous animation into the next one */
     static constexpr int overlay = 4; /**< overlay next animation on top of the previous one */
-    static constexpr int propagateHead = 8; /**< propagate animation to the head model, if any */
-    static constexpr int syncLipAnim = 0x10; /**< animation must be synchronized with the lip animation */
+    static constexpr int propagate = 8; /**< propagate animation to attached models */
 
     static constexpr int loopOverlay = loop | overlay;
     static constexpr int loopBlend = loop | blend;