viktorljung
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
#include "Rendering/BoneAttachmentSystem.h"
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void BoneAttachmentSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& BoneAttachmentComponent, double dt)
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{
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if(!entity.HasComponent("Transform")) {
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return;
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}
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auto parent = entity.FirstParentWithComponent("Animation");
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if (!parent.HasComponent("Model")) {
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return;
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}
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Model* model;
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try {
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model = ResourceManager::Load<::Model, true>(parent["Model"]["Resource"]);
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} catch (const std::exception&) {
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return;
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}
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Skeleton* skeleton = model->m_RawModel->m_Skeleton;
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if(skeleton == nullptr) {
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return;
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}
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const Skeleton::Animation* animation = skeleton->GetAnimation(parent["Animation"]["AnimationName1"]);
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if (!animation) {
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return;
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}
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int id = skeleton->GetBoneID(entity["BoneAttachment"]["BoneName"]);
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if(id == -1) {
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return;
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}
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glm::mat4 boneTransform = skeleton->GetBoneTransform(skeleton->Bones[id], animation, (double)parent["Animation"]["Time1"], glm::mat4(1));
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glm::vec3 scale;
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glm::quat rotation;
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glm::vec3 translation;
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glm::vec3 skew;
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glm::vec4 perspective;
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glm::decompose(boneTransform, scale, rotation, translation, skew, perspective);
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glm::vec3 angles;
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angles.y = asin(-boneTransform[0][2]);
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if (cos(angles.y) != 0) {
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angles.x = atan2(boneTransform[1][2], boneTransform[2][2]);
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angles.z = atan2(boneTransform[0][1], boneTransform[0][0]);
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} else {
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angles.x = atan2(-boneTransform[2][0], boneTransform[1][1]);
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angles.z = 0;
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}
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if ((bool)entity["BoneAttachment"]["InheritPosition"]) {
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(glm::vec3&)entity["Transform"]["Position"] = translation + (glm::vec3)entity["BoneAttachment"]["PositionOffset"];
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}
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if ((bool)entity["BoneAttachment"]["InheritOrientation"]) {
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(glm::vec3&)entity["Transform"]["Orientation"] = angles + (glm::vec3)entity["BoneAttachment"]["OrientationOffset"];
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}
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if ((bool)entity["BoneAttachment"]["InheritScale"]) {
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(glm::vec3&)entity["Transform"]["Scale"] = scale * (glm::vec3)entity["BoneAttachment"]["ScaleOffset"];
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}
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}
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