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minor doc cleanup and improvements

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nc 2022-12-31 11:19:01 -05:00
parent e336922caa
commit d222955ac3
1 changed files with 27 additions and 23 deletions
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50
src/rmodels.c
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@ -3834,6 +3834,9 @@ static void BuildPoseFromParentJoints(BoneInfo *bones, int boneCount, Transform
{
if (bones[i].parent >= 0)
{
// Assumes bones are topologically sorted and we've transformed
// the parent before this node.
assert(bones[i].parent < i);
transforms[i].rotation = QuaternionMultiply(transforms[bones[i].parent].rotation, transforms[i].rotation);
transforms[i].translation = Vector3RotateByQuaternion(transforms[i].translation, transforms[bones[i].parent].rotation);
transforms[i].translation = Vector3Add(transforms[i].translation, transforms[bones[i].parent].translation);
@ -4720,6 +4723,7 @@ static Model LoadGLTF(const char *fileName)
- Supports PBR metallic/roughness flow, loads material textures, values and colors
PBR specular/glossiness flow and extended texture flows not supported
- Supports multiple meshes per model (every primitives is loaded as a separate mesh)
- Supports basic animation
RESTRICTIONS:
- Only triangle meshes supported
@ -5064,37 +5068,35 @@ static Model LoadGLTF(const char *fileName)
}
}
// TODO: Load glTF meshes animation data
// Load glTF meshes animation data
// REF: https://www.khronos.org/registry/glTF/specs/2.0/glTF-2.0.html#skins
// REF: https://www.khronos.org/registry/glTF/specs/2.0/glTF-2.0.html#skinned-mesh-attributes
//----------------------------------------------------------------------------------------------------
if(data->skins_count > 0) {
if(data->skins_count != 1) {
TRACELOG(LOG_ERROR, "MODEL: [%s] can only load one skin (armature) per model, but gltf skins_count == %i", fileName, data->skins_count);
} else {
cgltf_skin skin = data->skins[0];
model.bones = LoadGLTFBoneInfo(skin, &model.boneCount);
model.bindPose = RL_MALLOC(model.boneCount * sizeof(Transform));
if(data->skins_count == 1) {
cgltf_skin skin = data->skins[0];
model.bones = LoadGLTFBoneInfo(skin, &model.boneCount);
model.bindPose = RL_MALLOC(model.boneCount * sizeof(Transform));
for(unsigned int i = 0; i < model.boneCount; i++) {
cgltf_node node = *skin.joints[i];
model.bindPose[i].translation.x = node.translation[0];
model.bindPose[i].translation.y = node.translation[1];
model.bindPose[i].translation.z = node.translation[2];
for(unsigned int i = 0; i < model.boneCount; i++) {
cgltf_node node = *skin.joints[i];
model.bindPose[i].translation.x = node.translation[0];
model.bindPose[i].translation.y = node.translation[1];
model.bindPose[i].translation.z = node.translation[2];
model.bindPose[i].rotation.x = node.rotation[0];
model.bindPose[i].rotation.y = node.rotation[1];
model.bindPose[i].rotation.z = node.rotation[2];
model.bindPose[i].rotation.w = node.rotation[3];
model.bindPose[i].rotation.x = node.rotation[0];
model.bindPose[i].rotation.y = node.rotation[1];
model.bindPose[i].rotation.z = node.rotation[2];
model.bindPose[i].rotation.w = node.rotation[3];
model.bindPose[i].scale.x = node.scale[0];
model.bindPose[i].scale.y = node.scale[1];
model.bindPose[i].scale.z = node.scale[2];
}
BuildPoseFromParentJoints(model.bones, model.boneCount, model.bindPose);
model.bindPose[i].scale.x = node.scale[0];
model.bindPose[i].scale.y = node.scale[1];
model.bindPose[i].scale.z = node.scale[2];
}
BuildPoseFromParentJoints(model.bones, model.boneCount, model.bindPose);
} else if(data->skins_count > 1) {
TRACELOG(LOG_ERROR, "MODEL: [%s] can only load one skin (armature) per model, but gltf skins_count == %i", fileName, data->skins_count);
}
for (unsigned int i = 0, meshIndex = 0; i < data->meshes_count; i++)
@ -5270,6 +5272,8 @@ static ModelAnimation *LoadModelAnimationsGLTF(const char *fileName, unsigned in
boneChannels[boneIndex].rotate = &animData.channels[j];
} else if(channel.target_path == cgltf_animation_path_type_scale) {
boneChannels[boneIndex].scale = &animData.channels[j];
} else {
TRACELOG(LOG_WARNING, "MODEL: [%s] Unsupported target_path on channel %d's sampler for animation %d. Skipping.", fileName, j, i);
}
} else TRACELOG(LOG_WARNING, "MODEL: [%s] Only linear interpolation curves are supported for GLTF animation.", fileName);