111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
//
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// Created by martin on 19.11.21.
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//
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#ifndef ANIMTESTBED_BLENDSPACE1D_H
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#define ANIMTESTBED_BLENDSPACE1D_H
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#include "../AnimNode.h"
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struct BlendSpace1D : public AnimNode {
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BlendSpace1D(AnimationController* animation_controller);
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virtual ~BlendSpace1D() {}
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int m_num_inputs;
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std::vector<float> m_input_weights;
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std::vector<AnimNode*> m_inputs;
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float m_weight;
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bool m_sync_inputs;
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AnimNode* m_input_0;
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AnimNode* m_input_1;
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float m_normalized_weight;
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float m_weight_0;
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float m_weight_1;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_0;
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ozz::vector<ozz::math::SoaTransform> m_local_matrices_1;
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ozz::math::Transform m_root_transform_0;
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ozz::math::Transform m_root_transform_1;
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virtual void Reset() { m_time_current = 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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if (m_sync_inputs) {
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m_is_time_synced = true;
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}
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assert(m_input_weights.size() > 0);
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assert(
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m_weight >= m_input_weights[0]
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&& m_weight <= m_input_weights[m_input_weights.size() - 1]);
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int prev_idx = 0;
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for (int next_idx = 1; next_idx < m_input_weights.size(); next_idx++) {
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if (m_input_weights[prev_idx] <= m_weight
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&& m_input_weights[next_idx] >= m_weight) {
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m_input_0 = m_inputs[prev_idx];
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m_weight_0 = m_input_weights[prev_idx];
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m_input_1 = m_inputs[next_idx];
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m_weight_1 = m_input_weights[next_idx];
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break;
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}
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prev_idx = next_idx;
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}
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m_input_0->UpdateIsSynced(m_is_time_synced);
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m_input_1->UpdateIsSynced(m_is_time_synced);
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m_normalized_weight = (m_weight - m_weight_0) / (m_weight_1 - m_weight_0);
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}
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virtual void UpdateSyncTrack() override {
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if (m_is_time_synced) {
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m_sync_track = SyncTrack::Blend(
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m_normalized_weight,
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m_input_0->m_sync_track,
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m_input_1->m_sync_track);
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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 sync_time_old = m_sync_track.CalcSyncFromAbsTime(m_time_current);
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m_time_current = fmodf(m_time_current + dt, m_sync_track.m_duration);
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float sync_time_dt =
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m_sync_track.CalcSyncFromAbsTime(m_time_current) - sync_time_old;
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m_input_0->m_time_current = sync_time_old;
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m_input_1->m_time_current = sync_time_old;
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m_input_0->UpdateTime(sync_time_dt);
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m_input_1->UpdateTime(sync_time_dt);
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} else {
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m_time_current += dt;
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m_input_0->UpdateTime(dt);
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m_input_1->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,
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ozz::math::Transform* root_transform) override;
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virtual void GetInputNodes(
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std::vector<AnimNode*>& input_nodes) const override {
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for (int i = 0; i < m_inputs.size(); i++) {
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input_nodes.push_back(m_inputs[i]);
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}
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};
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virtual void DrawDebugUi();
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};
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#endif //ANIMTESTBED_BLENDSPACE1D_H
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