102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
//
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// Created by martin on 12.11.21.
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//
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#include "SkinnedMesh.h"
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#include <HandmadeMath.h>
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#include <imgui.h>
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SkinnedMesh::~SkinnedMesh() {
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while (m_animations.size() > 0) {
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ozz::animation::Animation* animation_ptr =
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m_animations[m_animations.size() - 1];
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delete animation_ptr;
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m_animations.pop_back();
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}
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}
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bool SkinnedMesh::LoadSkeleton(const char* filename) {
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const char* skeleton_file = filename;
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assert(filename);
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ozz::log::Out() << "Loading skeleton archive " << filename << "."
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<< std::endl;
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ozz::io::File file(filename, "rb");
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if (!file.opened()) {
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ozz::log::Err() << "Failed to open skeleton file " << filename << "."
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<< std::endl;
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return false;
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}
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ozz::io::IArchive archive(&file);
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if (!archive.TestTag<ozz::animation::Skeleton>()) {
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ozz::log::Err() << "Failed to load skeleton instance from file " << filename
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<< "." << std::endl;
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return false;
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}
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// Once the tag is validated, reading cannot fail.
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archive >> m_skeleton;
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const int num_soa_joints = m_skeleton.num_soa_joints();
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const int num_joints = m_skeleton.num_joints();
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m_local_matrices.resize(num_soa_joints);
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m_model_matrices.resize(num_joints);
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m_sampling_context.Resize(num_joints);
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std::cout << "Successfully loaded " << skeleton_file
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<< " (soa: " << num_soa_joints << ", joints: " << num_joints << ")"
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<< std::endl;
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return true;
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}
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bool SkinnedMesh::LoadAnimation(const char* filename) {
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ozz::animation::Animation* animation_ptr = new ozz::animation::Animation();
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assert(filename);
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ozz::log::Out() << "Loading animation archive: " << filename << "."
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<< std::endl;
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ozz::io::File file(filename, "rb");
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if (!file.opened()) {
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ozz::log::Err() << "Failed to open animation file " << filename << "."
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<< std::endl;
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return false;
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}
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ozz::io::IArchive archive(&file);
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if (!archive.TestTag<ozz::animation::Animation>()) {
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ozz::log::Err() << "Failed to load animation instance from file "
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<< filename << "." << std::endl;
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return false;
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}
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// Once the tag is validated, reading cannot fail.
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archive >> *animation_ptr;
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m_animations.push_back(animation_ptr);
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m_animation_names.push_back(filename);
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m_animation_sync_track.push_back(SyncTrack());
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return true;
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}
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void SkinnedMesh::SetCurrentAnimation(int index) {
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if (index < 0 || index >= m_animations.size()) {
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ozz::log::Err() << "Invalid animation index " << index << " valid range: ["
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<< 0 << ", " << m_animations.size() << "]'" << std::endl;
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}
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m_current_animation = m_animations[index];
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}
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void SkinnedMesh::CalcModelMatrices() {
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// convert joint matrices from local to model space
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ozz::animation::LocalToModelJob ltm_job;
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ltm_job.skeleton = &m_skeleton;
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ltm_job.input = make_span(m_local_matrices);
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ltm_job.output = make_span(m_model_matrices);
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ltm_job.Run();
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}
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void SkinnedMesh::DrawSkeleton() {}
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