Teejoon
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
#ifndef Skeleton_h__
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#define Skeleton_h__
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#include <sstream>
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#include "Common.h"
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#include "../GLM.h"
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#include <glm/gtx/matrix_decompose.hpp>
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#include <imgui/imgui.h>
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#include "../Core/EntityWrapper.h"
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class BlendTree;
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class Skeleton
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{
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public:
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struct Bone
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{
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Bone(int id, Bone* parent, std::string name, glm::mat4 offsetMatrix)
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: ID(id)
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, Parent(parent)
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, Name(name)
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, OffsetMatrix(offsetMatrix)
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{
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BindTransformMatrix = glm::inverse(offsetMatrix);
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}
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std::string Name;
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glm::mat4 OffsetMatrix;
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int ID;
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glm::mat4 BindTransformMatrix;
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Bone* Parent;
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std::vector<Bone*> Children;
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};
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struct Animation
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{
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struct Keyframe
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{
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struct BoneProperty
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{
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glm::vec3 Position;
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glm::quat Rotation;
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glm::vec3 Scale = glm::vec3(1);
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};
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int Index = 0;
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double Time = 0.0;
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BoneProperty BoneProperties;
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};
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std::string Name;
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double Duration;
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std::map<int, std::vector<Keyframe>> JointAnimations;
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};
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struct PoseData {
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glm::vec3 Translation;
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glm::quat Orientation;
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glm::vec3 Scale;
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};
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Skeleton() { }
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~Skeleton();
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Bone* RootBone;
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std::map<int, Bone*> Bones;
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std::unordered_map<EntityWrapper, std::shared_ptr<BlendTree>> BlendTrees;
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// Attach a new bone to the skeleton
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// Returns: New bone index
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int CreateBone(int ID, int parentID, std::string name, glm::mat4 offsetMatrix);
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int GetBoneID(std::string name);
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const Animation* GetAnimation(std::string name);
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std::map<int, Skeleton::PoseData> GetFrameBones(const Animation* animation, double time, bool additive, bool noRootMotion = false);
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std::map<int, Skeleton::PoseData> BlendPoses(const std::map<int, PoseData>& pose1, const std::map<int, PoseData>& pose2, double weight);
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std::map<int, Skeleton::PoseData> OverridePose(const std::map<int, PoseData>& overridePose, const std::map<int, PoseData>& targetPose);
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std::map<int, Skeleton::PoseData> BlendPoseAdditive(const std::map<int, PoseData>& additivePose, const std::map<int, PoseData>& targetPose);
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void GetFinalPose(std::map<int, Skeleton::PoseData>& boneMatrices, std::vector<glm::mat4>& finalPose, std::map<int, glm::mat4>& boneTransforms);
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std::vector<glm::mat4> GetTPose();
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std::map<std::string, Animation> Animations;
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private:
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Skeleton::PoseData GetAdditiveBonePose(const Bone* bone, const Animation* animation, double time);
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void AccumulateFinalPose(std::map<int, glm::mat4>& boneMatrices, std::map<int, Skeleton::PoseData>& poseDatas, std::map<int, glm::mat4>& boneTransforms, const Bone* bone, glm::mat4 parentMatrix);
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void AdditiveBoneTransforms(const Animation* animation, double time, std::map<int, PoseData>& boneMatrices, const Bone* bone);
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void AccumulateBoneTransforms(bool noRootMotion, const Animation* animation, double time, std::map<int, PoseData>& boneMatrices, const Bone* bone);
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std::map<std::string, Bone*> m_BonesByName;
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};
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#endif
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