viktorljung
76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
#ifndef BlendTree_h__
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#define BlendTree_h__
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#include "Common.h"
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#include "../GLM.h"
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#include "Skeleton.h"
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#include "../Core/EntityWrapper.h"
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#include "../Core/World.h"
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#include <stack>
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class BlendTree
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{
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public:
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enum class NodeType
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{
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Additive,
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Blend,
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Override,
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Animation,
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};
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struct Node
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{
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std::string Name;
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Node* Parent = nullptr;
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Node* Child[2] = { nullptr, nullptr };
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NodeType Type;
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std::vector<glm::mat4> Pose;
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float Weight = 0.f;
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Node* Next() {
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Node* next = this;
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if (next->Child[1] == nullptr) {
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// Node has no right child
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next = this;
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while (next->Parent != nullptr && next == next->Parent->Child[1]) {
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next = next->Parent;
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}
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next = next->Parent;
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} else {
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// Find the leftmost node in the right subtree
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next = next->Child[1];
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while (next->Child[0] != nullptr) {
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next = next->Child[0];
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}
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}
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return next;
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}
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};
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BlendTree(EntityWrapper ModelEntity, Skeleton* skeleton);
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~BlendTree();
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std::vector<glm::mat4> GetBoneTransforms(Skeleton* skeleton);
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void PrintTree();
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private:
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Node* m_Root = nullptr;
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void FillTree(Node* parentNode, EntityWrapper parentEntity, Skeleton* skeleton);
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BlendTree::Node* FillTreeByName(Node* parentNode, std::string name, EntityWrapper parentEntity, Skeleton* skeleton);
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void Blend(Skeleton* skeleton, std::vector<glm::mat4>& pose);
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};
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#endif
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