95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
//
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// Created by martin on 26.03.23.
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//
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#include "SkinnedMeshResource.h"
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#include <fstream>
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#include <iostream>
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#include "3rdparty/json/json.hpp"
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inline void to_json(
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nlohmann::json& j,
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const SkinnedMeshResource& skinnedMeshResource) {
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j["type"] = "SkinnedMeshResource";
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j["skeleton"]["file"] = skinnedMeshResource.m_skeleton_file;
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for (int i = 0; i < skinnedMeshResource.m_animation_files.size(); i++) {
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j["animations"][i]["file"] = skinnedMeshResource.m_animation_files[i];
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j["animations"][i]["sync_track"] = skinnedMeshResource.m_sync_tracks[i];
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}
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}
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inline void from_json(
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const nlohmann::json& j,
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SkinnedMeshResource& skinnedMeshResource) {
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if (!j.contains("type") || j["type"] != "SkinnedMeshResource") {
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std::cerr << "Unable to parse SkinnedMeshResource: wrong json type!"
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<< std::endl;
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return;
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}
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if (!j.contains("skeleton") || !j["skeleton"].contains("file")) {
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std::cerr << "Unable to parse SkinnedMeshResource: no skeleton file found!"
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<< std::endl;
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}
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skinnedMeshResource.m_skeleton_file = j["skeleton"]["file"];
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if (j.contains("animations")) {
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int num_animations = j["animations"].size();
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for (int i = 0; i < num_animations; i++) {
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if (!j["animations"][i].contains("file")
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|| !j["animations"][i].contains("sync_track")) {
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std::cerr << "Unable to parse SkinnedMeshResource: invalid animation "
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"definition"
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<< std::endl;
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return;
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}
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skinnedMeshResource.m_animation_files.push_back(
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j["animations"][i]["file"]);
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skinnedMeshResource.m_sync_tracks.push_back(
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j["animations"][i]["sync_track"].get<SyncTrack>());
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}
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}
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}
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bool SkinnedMeshResource::saveToFile(const char* filename) const {
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nlohmann::json j = *this;
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std::ofstream output_file(filename);
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output_file << j.dump(4, ' ') << std::endl;
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output_file.close();
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return true;
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}
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bool SkinnedMeshResource::loadFromFile(const char* filename) {
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if (!std::filesystem::exists(filename)) {
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std::cerr << "Error: file " << filename << " does not exist!" << std::endl;
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return false;
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}
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m_resource_file = filename;
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std::ifstream input_file;
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input_file.open(filename);
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std::stringstream buffer;
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buffer << input_file.rdbuf();
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nlohmann::json j = nlohmann::json::parse(buffer.str(), nullptr, false);
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*this = j.get<SkinnedMeshResource>();
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return true;
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}
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void SkinnedMeshResource::createInstance(SkinnedMesh& skinnedMesh) const {
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skinnedMesh.LoadSkeleton(m_skeleton_file.c_str());
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for (int i = 0; i < m_animation_files.size(); i++) {
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skinnedMesh.LoadAnimation(m_animation_files[i].c_str());
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skinnedMesh.m_animation_sync_track.back() = m_sync_tracks[i];
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}
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}
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