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Swap bone indices and bone weights vertex attributes

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This commit is contained in:
Vsevolod Kremianskii 2021-05-12 12:09:05 +07:00
parent 640b5a3c8e
commit 4a2c507c0f
4 changed files with 18 additions and 18 deletions
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10
src/engine/graphics/mesh/mesh.cpp
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@ -95,13 +95,13 @@ void Mesh::init() {
glEnableVertexAttribArray(5);
glVertexAttribPointer(5, 3, GL_FLOAT, GL_FALSE, _attributes.stride, reinterpret_cast<void *>(_attributes.offBitangents));
}
if (_attributes.offBoneWeights != -1) {
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, _attributes.stride, reinterpret_cast<void *>(_attributes.offBoneWeights));
}
if (_attributes.offBoneIndices != -1) {
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 4, GL_FLOAT, GL_FALSE, _attributes.stride, reinterpret_cast<void *>(_attributes.offBoneIndices));
}
if (_attributes.offBoneWeights != -1) {
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 4, GL_FLOAT, GL_FALSE, _attributes.stride, reinterpret_cast<void *>(_attributes.offBoneIndices));
glVertexAttribPointer(7, 4, GL_FLOAT, GL_FALSE, _attributes.stride, reinterpret_cast<void *>(_attributes.offBoneWeights));
}
glBindVertexArray(0);

2
src/engine/graphics/mesh/vertexattributes.h
View file

@ -31,8 +31,8 @@ struct VertexAttributes {
int offTexCoords2 { -1 };
int offTangents { -1 };
int offBitangents { -1 };
int offBoneWeights { -1 };
int offBoneIndices { -1 };
int offBoneWeights { -1 };
};
} // namespace graphics

2
src/engine/graphics/model/mdlreader.cpp
View file

@ -1033,8 +1033,8 @@ void MdlReader::readSkin(ModelNode &node) {
vector<uint16_t> boneIndices(readUint16Array(16));
ignore(4); // padding
node._mesh->mesh->attributes().offBoneWeights = offMdxBoneWeights;
node._mesh->mesh->attributes().offBoneIndices = offMdxBoneIndices;
node._mesh->mesh->attributes().offBoneWeights = offMdxBoneWeights;
unordered_map<uint16_t, uint16_t> nodeIdxByBoneIdx;
seek(kMdlDataOffset + offBones);

22
src/engine/graphics/shader/shaders_common.cpp
View file

@ -354,8 +354,8 @@ layout(location = 2) in vec2 aTexCoords;
layout(location = 3) in vec2 aLightmapCoords;
layout(location = 4) in vec3 aTangent;
layout(location = 5) in vec3 aBitangent;
layout(location = 6) in vec4 aBoneWeights;
layout(location = 7) in vec4 aBoneIndices;
layout(location = 6) in vec4 aBoneIndices;
layout(location = 7) in vec4 aBoneWeights;
out vec3 fragPosition;
out vec3 fragNormal;
@ -368,22 +368,22 @@ void main() {
vec4 P = vec4(0.0);
if (isFeatureEnabled(FEATURE_SKELETAL)) {
float weight0 = aBoneWeights.x;
float weight1 = aBoneWeights.y;
float weight2 = aBoneWeights.z;
float weight3 = aBoneWeights.w;
int index1 = int(aBoneIndices.x);
int index2 = int(aBoneIndices.y);
int index3 = int(aBoneIndices.z);
int index4 = int(aBoneIndices.w);
int index0 = int(aBoneIndices.x);
int index1 = int(aBoneIndices.y);
int index2 = int(aBoneIndices.z);
int index3 = int(aBoneIndices.w);
float weight1 = aBoneWeights.x;
float weight2 = aBoneWeights.y;
float weight3 = aBoneWeights.z;
float weight4 = aBoneWeights.w;
vec4 position = vec4(aPosition, 1.0);
P += weight0 * uBones[index0] * position;
P += weight1 * uBones[index1] * position;
P += weight2 * uBones[index2] * position;
P += weight3 * uBones[index3] * position;
P += weight4 * uBones[index4] * position;
P = vec4(P.xyz, 1.0);