Synced animations looks good.
parent
c659caebb9
commit
30f1025947
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@ -9,28 +9,42 @@
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#include "AnimationController.h"
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struct AnimNode {
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AnimNode(AnimationController* animation_controller) : m_animation_controller(animation_controller) {}
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virtual ~AnimNode() {};
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enum class AnimNodeType {
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Blend,
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SpeedScale,
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AnimSampler
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};
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struct AnimNode {
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AnimNode(AnimationController* animation_controller)
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: m_animation_controller(animation_controller),
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m_current_time(0.f),
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m_is_time_synced(false),
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m_anim_duration(0.f) {}
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virtual ~AnimNode(){};
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AnimNodeType m_anim_node_type;
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std::string m_name;
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float m_current_time;
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bool m_is_time_synced;
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float m_anim_duration;
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AnimationController* m_animation_controller;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices;
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virtual void Reset() {
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m_current_time = 0.f;
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}
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virtual void Reset() { m_current_time = 0.f; }
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virtual void Update(float dt) {
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m_current_time += dt;
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}
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virtual void UpdateIsSynced(bool is_synced) = 0;
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virtual void Evaluate(ozz::vector<ozz::math::SoaTransform>* local_matrices) = 0;
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virtual void EvalAnimDuration() = 0;
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virtual void CollectNodeOrdering (std::vector<AnimNode*>& anim_nodes) = 0;
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virtual void UpdateTime(float dt) { m_current_time += dt; }
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virtual void DrawDebugUi() {};
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virtual void Evaluate(
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ozz::vector<ozz::math::SoaTransform>* local_matrices) = 0;
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virtual void CollectNodeOrdering(std::vector<AnimNode*>& anim_nodes) = 0;
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virtual void DrawDebugUi(){};
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};
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#endif //ANIMTESTBED_ANIMNODE_H
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@ -10,26 +10,47 @@
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struct AnimSamplerNode : public AnimNode {
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AnimSamplerNode(AnimationController* animation_controller)
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: AnimNode(animation_controller),
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m_anim_ratio(0.f),
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m_override_ratio(false){};
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m_override_ratio(false),
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m_anim_ratio(0.f) {
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assert(m_current_time < 100.0f);
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m_anim_node_type = AnimNodeType::AnimSampler;
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};
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virtual ~AnimSamplerNode() {}
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ozz::animation::Animation* m_animation;
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float m_anim_ratio;
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bool m_override_ratio;
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float m_anim_ratio;
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ozz::animation::SamplingCache m_sampling_cache;
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void SetAnimation(ozz::animation::Animation* animation);
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virtual void Update(float dt) override {
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virtual void UpdateIsSynced(bool is_synced) override {
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m_is_time_synced = is_synced;
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}
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virtual void EvalAnimDuration() override {
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m_anim_duration = m_animation->duration();
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}
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virtual void UpdateTime(float dt) override {
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m_current_time += dt;
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if (!m_override_ratio) {
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const float duration = m_animation->duration();
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m_anim_ratio = fmodf((float)m_current_time / duration, 1.0f);
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if (m_is_time_synced) {
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m_anim_ratio = fmodf((float)m_current_time, 1.0f);
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m_current_time = m_anim_ratio;
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} else {
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const float duration = m_animation->duration();
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m_anim_ratio = fmodf((float)m_current_time / duration, 1.0f);
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}
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}
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if (m_anim_ratio < 0.f) {
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m_anim_ratio += 1.0f;
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}
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}
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virtual void Evaluate(
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ozz::vector<ozz::math::SoaTransform>* local_matrices) override;
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@ -13,7 +13,9 @@ BlendNode::BlendNode(AnimationController* animation_controller)
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: AnimNode(animation_controller),
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m_input_A(nullptr),
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m_input_B(nullptr),
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m_weight(0.f) {
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m_weight(0.f),
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m_sync_inputs(false) {
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m_anim_node_type = AnimNodeType::Blend;
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const SkinnedMesh* skinned_mesh = m_animation_controller->m_skinned_mesh;
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const int num_soa_joints = skinned_mesh->m_skeleton.num_soa_joints();
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const int num_joints = skinned_mesh->m_skeleton.num_joints();
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@ -54,6 +56,7 @@ void BlendNode::DrawDebugUi() {
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ImGui::Text("Input B:");
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m_input_B->DrawDebugUi();
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ImGui::SliderFloat("Weight", &m_weight, 0.f, 1.f);
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ImGui::Checkbox("Sync Inputs", &m_sync_inputs);
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ImGui::TreePop();
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}
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}
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@ -9,11 +9,13 @@
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struct BlendNode : public AnimNode {
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BlendNode(AnimationController* animation_controller);
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virtual ~BlendNode() {}
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AnimNode* m_input_A;
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AnimNode* m_input_B;
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float m_weight;
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bool m_sync_inputs;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_A;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_B;
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@ -22,9 +24,37 @@ struct BlendNode : public AnimNode {
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m_current_time = 0.f;
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}
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virtual void Update(float dt) {
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m_input_A->Update(dt);
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m_input_B->Update(dt);
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virtual void UpdateIsSynced(bool is_synced) override {
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m_is_time_synced = is_synced;
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if (m_sync_inputs) {
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m_is_time_synced = true;
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}
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m_input_B->UpdateIsSynced(m_is_time_synced);
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m_input_A->UpdateIsSynced(m_is_time_synced);
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}
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virtual void EvalAnimDuration() override {
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if (m_is_time_synced) {
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m_anim_duration = (1.0f - m_weight) * m_input_A->m_anim_duration + m_weight * m_input_B->m_anim_duration;
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} else {
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assert (false);
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}
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}
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virtual void UpdateTime(float dt) {
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if (m_is_time_synced) {
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float current_time_absolute = m_current_time * m_anim_duration + dt;
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m_current_time = fmodf(current_time_absolute / m_anim_duration, 1.0);
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m_input_A->UpdateTime(m_current_time - m_input_A->m_current_time);
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m_input_B->UpdateTime(m_current_time - m_input_B->m_current_time);
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} else {
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m_current_time += dt;
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m_input_A->UpdateTime(dt);
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m_input_B->UpdateTime(dt);
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}
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}
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virtual void Evaluate(
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@ -9,7 +9,16 @@
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void SpeedScaleNode::DrawDebugUi() {
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std::string node_name = "SpeedScaleNode: " + m_name;
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if (ImGui::TreeNode(node_name.c_str())) {
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ImGui::SliderFloat("Time Scale", &m_time_scale, -5.f, 5.f);
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bool is_negative = m_time_scale < 0.f;
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if (ImGui::Checkbox("Reverse Time", &is_negative)) {
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m_time_scale = m_time_scale * -1.f;
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}
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// ensure m_time_scale is positive
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m_time_scale = m_time_scale * (is_negative ? -1.f : 1.f);
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ImGui::SliderFloat("Time Scale", &m_time_scale, 0.01f, 5.f);
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// and back to the original negative or positive sign
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m_time_scale = m_time_scale * (is_negative ? -1.f : 1.f);
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m_input_node->DrawDebugUi();
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@ -8,25 +8,43 @@
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#include "../AnimNode.h"
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struct SpeedScaleNode : public AnimNode {
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SpeedScaleNode(AnimationController* animation_controller): AnimNode (animation_controller), m_time_scale(1.f) {}
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SpeedScaleNode(AnimationController* animation_controller)
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: AnimNode(animation_controller), m_time_scale(1.f) {
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m_anim_node_type = AnimNodeType::SpeedScale;
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}
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float m_time_scale;
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AnimNode* m_input_node;
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virtual void Reset() {
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m_current_time = 0.f;
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virtual void Reset() { m_current_time = 0.f; }
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virtual void UpdateIsSynced(bool is_synced) override {
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m_is_time_synced = is_synced;
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m_input_node->UpdateIsSynced(is_synced);
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}
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virtual void Update(float dt) {
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m_current_time += dt * m_time_scale;
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m_input_node->Update(dt * m_time_scale);
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virtual void EvalAnimDuration() override {
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assert(fabs(m_time_scale) >= 0.01f);
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m_anim_duration = fabsf(m_input_node->m_anim_duration / m_time_scale);
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}
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virtual void Evaluate(ozz::vector<ozz::math::SoaTransform>* local_matrices) override {
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virtual void UpdateTime(float dt) {
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if (!m_is_time_synced) {
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m_current_time += dt * m_time_scale;
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m_input_node->UpdateTime(dt * m_time_scale);
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} else {
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m_current_time += dt;
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m_input_node->UpdateTime(dt);
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}
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}
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virtual void Evaluate(
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ozz::vector<ozz::math::SoaTransform>* local_matrices) override {
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m_input_node->Evaluate(local_matrices);
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};
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virtual void CollectNodeOrdering (std::vector<AnimNode*>& anim_nodes) override {
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virtual void CollectNodeOrdering(
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std::vector<AnimNode*>& anim_nodes) override {
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anim_nodes.push_back(this);
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m_input_node->CollectNodeOrdering(anim_nodes);
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}
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@ -33,7 +33,7 @@ AnimationController::AnimationController(SkinnedMesh* skinned_mesh)
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m_anim_nodes.push_back(sampler_node0);
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AnimSamplerNode* sampler_node1 = new AnimSamplerNode(this);
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sampler_node1->m_name = "AnimSampler0";
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sampler_node1->m_name = "AnimSampler1";
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sampler_node1->SetAnimation(skinned_mesh->m_animations[2]);
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m_anim_nodes.push_back(sampler_node1);
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@ -46,13 +46,18 @@ AnimationController::AnimationController(SkinnedMesh* skinned_mesh)
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blend_node->m_name = "Blend0";
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blend_node->m_input_A = speed_node;
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blend_node->m_input_B = sampler_node1;
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blend_node->m_sync_inputs = true;
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m_anim_nodes.push_back(blend_node);
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m_output_node = blend_node;
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SpeedScaleNode* speed_node1 = new SpeedScaleNode(this);
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speed_node1->m_name = "SpeedNode1";
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speed_node1->m_input_node = blend_node;
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m_anim_nodes.push_back(speed_node1);
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m_output_node = speed_node1;
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m_output_node->CollectNodeOrdering(m_ordered_nodes);
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std::cout << "Have " << m_ordered_nodes.size() << " nodes in blend tree." << std::endl;
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m_output_node->Reset();
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}
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@ -67,14 +72,27 @@ AnimationController::~AnimationController() {
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m_output_node = nullptr;
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}
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void AnimationController::ResetAnims() {
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for (int i = 0; i < m_ordered_nodes.size(); i++) {
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m_ordered_nodes[i]->Reset();
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}
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}
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void AnimationController::Update(float dt) {
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if (m_output_node == nullptr) {
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return;
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}
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m_output_node->Update(dt);
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m_output_node->UpdateIsSynced(false);
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for (int i = m_ordered_nodes.size() - 1; i >= 0; i--) {
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AnimNode* node = m_ordered_nodes[i];
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if (node->m_is_time_synced) {
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node->EvalAnimDuration();
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}
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}
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m_output_node->UpdateTime(dt);
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}
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@ -96,7 +114,13 @@ void AnimationController::Evaluate() {
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void AnimationController::DrawDebugUi() {
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ImGui::SetNextWindowSize(ImVec2(500, 300), ImGuiCond_FirstUseEver);
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ImGui::Begin("AnimationController");
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if (ImGui::Button("Reset")) {
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ResetAnims();
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}
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if (m_output_node && ImGui::TreeNode("Output")) {
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m_output_node->DrawDebugUi();
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@ -104,10 +128,37 @@ void AnimationController::DrawDebugUi() {
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}
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if (m_output_node && ImGui::TreeNode("Nodes")) {
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ImGui::Columns(4, "NodeOverview"); // 4-ways, with border
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ImGui::Separator();
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ImGui::Text("Name"); ImGui::NextColumn();
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ImGui::Text("Synced"); ImGui::NextColumn();
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ImGui::Text("Duration"); ImGui::NextColumn();
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ImGui::Text("Time"); ImGui::NextColumn();
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ImGui::Separator();
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static int selected = -1;
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for (int i = 0; i < m_ordered_nodes.size(); i++) {
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ImGui::Text(m_ordered_nodes[i]->m_name.c_str());
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AnimNode* node = m_ordered_nodes[i];
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if (ImGui::Selectable(node->m_name.c_str(), selected == i, ImGuiSelectableFlags_SpanAllColumns))
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selected = i;
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bool hovered = ImGui::IsItemHovered();
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ImGui::NextColumn();
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ImGui::Text(node->m_is_time_synced ? "X" : "-"); ImGui::NextColumn();
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ImGui::PushID((void*)&node->m_anim_duration);
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ImGui::Text("%2.3f", node->m_anim_duration); ImGui::NextColumn();
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ImGui::PopID();
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ImGui::PushID((void*)&node->m_current_time);
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ImGui::Text("%2.3f", node->m_current_time); ImGui::NextColumn();
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ImGui::PopID();
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}
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ImGui::Columns(1);
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ImGui::Separator();
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ImGui::TreePop();
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}
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@ -22,8 +22,8 @@ struct AnimationController {
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ozz::animation::Animation* blend_anim_A,
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ozz::animation::Animation* blend_anim_B) {
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}
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void ResetAnims() {
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}
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void ResetAnims();
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void Update(float dt);
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void Evaluate();
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@ -32,12 +32,9 @@ struct AnimationController {
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float m_current_time;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_A;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_B;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_blended;
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ozz::animation::SamplingCache m_sampling_cache_A;
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ozz::animation::SamplingCache m_sampling_cache_B;
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SkinnedMesh* m_skinned_mesh = nullptr;
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