feat: Implement CreateItemOnObject

src/game/object/spatial.cpp

@@ -36,6 +36,10 @@ SpatialObject::SpatialObject(uint32_t id, ObjectType type, SceneGraph *sceneGrap
     Object(id, type), _sceneGraph(sceneGraph) {
 }
 
+void SpatialObject::addItem(const shared_ptr<Item> &item) {
+    _items.push_back(item);
+}
+
 float SpatialObject::distanceTo(const glm::vec2 &point) const {
     return glm::distance2(glm::vec2(_position), point);
 }

src/game/object/spatial.h

@@ -44,6 +44,8 @@ public:
 
     virtual void playAnimation(const std::string &name, int flags = 0, float speed = 1.0f);
 
+    void addItem(const std::shared_ptr<Item> &item);
+
     float distanceTo(const glm::vec2 &point) const;
     float distanceTo(const glm::vec3 &point) const;
     bool contains(const glm::vec3 &point) const;

src/game/script/routines.h

@@ -87,6 +87,7 @@ private:
 
     // Objects
 
+    script::Variable createItemOnObject(const std::vector<script::Variable> &args, script::ExecutionContext &ctx);
     script::Variable destroyObject(const std::vector<script::Variable> &args, script::ExecutionContext &ctx);
     script::Variable getArea(const std::vector<script::Variable> &args, script::ExecutionContext &ctx);
     script::Variable getEnteringObject(const std::vector<script::Variable> &args, script::ExecutionContext &ctx);

src/game/script/routines_kotor.cpp

@@ -70,7 +70,7 @@ void Routines::addKotorRoutines() {
     add("GetFacing", Float, { Object });
     add("GetItemPossessor", Object, { Object });
     add("GetItemPossessedBy", Object, { Object, String });
-    add("CreateItemOnObject", Object, { String, Object, Int });
+    add("CreateItemOnObject", Object, { String, Object, Int }, bind(&Routines::createItemOnObject, this, _1, _2));
     add("ActionEquipItem", Void, { Object, Int, Int });
     add("ActionUnequipItem", Void, { Object, Int });
     add("ActionPickUpItem", Void, { Object });

src/game/script/routines_objects.cpp

@@ -17,8 +17,11 @@
 
 #include "routines.h"
 
+#include <boost/algorithm/string.hpp>
+
 #include "../../common/log.h"
 
+#include "../blueprint/blueprints.h"
 #include "../game.h"
 
 using namespace std;
@@ -134,6 +137,36 @@ Variable Routines::getLocked(const vector<Variable> &args, ExecutionContext &ctx
     return move(result);
 }
 
+Variable Routines::createItemOnObject(const vector<Variable> &args, ExecutionContext &ctx) {
+    Variable result(VariableType::Object);
+    result.objectId = kObjectInvalid;
+
+    string itemBlueprint(args[0].strValue);
+    if (!itemBlueprint.empty()) {
+        boost::to_lower(itemBlueprint);
+
+        int targetId = args.size() >= 2 ? args[1].objectId : kObjectSelf;
+        int count = args.size() >= 3 ? args[2].intValue : 1;
+
+        shared_ptr<Object> target(getObjectById(targetId, ctx));
+        if (target) {
+            shared_ptr<ItemBlueprint> blueprint(Blueprints::instance().getItem(itemBlueprint));
+            shared_ptr<Item> item(_game->objectFactory().newItem());
+            item->load(blueprint);
+
+            shared_ptr<SpatialObject> spatialTarget(dynamic_pointer_cast<SpatialObject>(target));
+            spatialTarget->addItem(item);
+
+            result.objectId = item->id();
+
+        } else {
+            warn("Routine: object not found: " + to_string(targetId));
+        }
+    }
+
+    return move(result);
+}
+
 } // namespace game
 
 } // namespace reone

src/game/script/routines_tsl.cpp

@@ -70,7 +70,7 @@ void Routines::addTslRoutines() {
     add("GetFacing", Float, { Object });
     add("GetItemPossessor", Object, { Object });
     add("GetItemPossessedBy", Object, { Object, String });
-    add("CreateItemOnObject", Object, { String, Object, Int, Int });
+    add("CreateItemOnObject", Object, { String, Object, Int, Int }, bind(&Routines::createItemOnObject, this, _1, _2));
     add("ActionEquipItem", Void, { Object, Int, Int });
     add("ActionUnequipItem", Void, { Object, Int });
     add("ActionPickUpItem", Void, { Object });