77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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#pragma once
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtc/quaternion.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <string>
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#include <unordered_map>
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#include <vector>
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using glm::quat;
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using glm::vec3;
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using glm::vec4;
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struct AnimationKeyPosition {
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vec3 pos;
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float time;
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};
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struct AnimationKeyRotation {
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quat rot;
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float time;
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};
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struct AnimationKeyScale {
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vec3 scale;
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float time;
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};
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struct AnimationChannel {
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std::vector<AnimationKeyPosition> pos;
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std::vector<AnimationKeyRotation> rot;
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std::vector<AnimationKeyScale> scale;
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};
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#define MAX_MORPH_WEIGHTS 8
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#define MAX_MORPHS 100
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struct MorphingChannelKey {
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float time = 0.0f;
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uint32_t mesh[MAX_MORPH_WEIGHTS] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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float weight[MAX_MORPH_WEIGHTS] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
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};
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struct MorphingChannel {
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std::string name;
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std::vector<MorphingChannelKey> key;
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};
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struct Animation {
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std::unordered_map<int, AnimationChannel> channels;
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std::vector<MorphingChannel> morphChannels;
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float duration; // In seconds
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float ticksPerSecond;
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std::string name;
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};
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struct MorphState {
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uint32_t meshId = ~0u;
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uint32_t morphTarget[MAX_MORPH_WEIGHTS] = { 0, 0, 0, 0, 0, 0, 0, 0 };
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float weights[MAX_MORPH_WEIGHTS] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
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};
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struct AnimationState {
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uint32_t animId = ~0u;
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float currentTime = 0.0f;
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bool playOnce = false;
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bool active = false;
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};
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struct GLTFContext;
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struct aiScene;
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void initAnimations(GLTFContext& glTF, const aiScene* scene);
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void updateAnimation(GLTFContext& glTF, AnimationState& anim, float dt);
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void updateAnimationBlending(GLTFContext& glTF, AnimationState& anim1, AnimationState& anim2, float weight, float dt);
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