64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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//
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// Created by martin on 19.11.21.
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//
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#include "BlendSpace1D.h"
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#include <imgui.h>
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#include <ozz/animation/runtime/blending_job.h>
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#include "../SkinnedMesh.h"
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BlendSpace1D::BlendSpace1D(AnimationController* animation_controller)
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: AnimNode(animation_controller),
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m_input_0(nullptr),
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m_weight_0(0.f),
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m_input_1(nullptr),
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m_weight_1(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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m_local_matrices_0.resize(num_soa_joints);
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m_local_matrices_1.resize(num_soa_joints);
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}
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void BlendSpace1D::Evaluate(ozz::vector<ozz::math::SoaTransform>* local_matrices) {
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const SkinnedMesh* skinned_mesh = m_animation_controller->m_skinned_mesh;
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m_input_0->Evaluate(&m_local_matrices_0);
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m_input_1->Evaluate(&m_local_matrices_1);
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// perform blend
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ozz::animation::BlendingJob::Layer layers[2];
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layers[0].transform = make_span(m_local_matrices_0);
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layers[0].weight = (1.0f - m_normalized_weight);
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layers[1].transform = make_span(m_local_matrices_1);
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layers[1].weight = (m_normalized_weight);
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ozz::animation::BlendingJob blend_job;
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blend_job.threshold = ozz::animation::BlendingJob().threshold;
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blend_job.layers = layers;
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blend_job.bind_pose = skinned_mesh->m_skeleton.joint_bind_poses();
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blend_job.output = make_span(*local_matrices);
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if (!blend_job.Run()) {
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ozz::log::Err() << "Error blending animations." << std::endl;
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}
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}
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void BlendSpace1D::DrawDebugUi() {
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float min_weight = m_input_weights[0];
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float max_weight = m_input_weights.back();
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if (ImGui::SliderFloat("Weight", &m_weight, min_weight, max_weight)) {
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m_sync_track = SyncTrack::Blend(m_weight, m_input_0->m_sync_track, m_input_1->m_sync_track);
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}
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ImGui::Checkbox("Sync Inputs", &m_sync_inputs);
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ImGui::Text("SyncTrack");
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m_sync_track.DrawDebugUi();
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}
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