97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
// ============================================================================
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// ResLoader.cpp - 资源加载器实现
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// ============================================================================
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#include "ResLoader.h"
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#include <json/json.hpp>
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#include <fstream>
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namespace flappybird {
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extra2d::Ptr<extra2d::Texture> ResLoader::atlasTexture_;
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std::map<std::string, ResLoader::ImageInfo> ResLoader::imageMap_;
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std::map<MusicType, extra2d::Ptr<extra2d::Sound>> ResLoader::soundMap_;
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void ResLoader::init() {
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auto& resources = extra2d::Application::instance().resources();
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// 加载图集纹理
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atlasTexture_ = resources.loadTexture("assets/images/atlas.png");
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if (!atlasTexture_) {
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E2D_LOG_ERROR("无法加载图集纹理 atlas.png");
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return;
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}
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// 读取 atlas.json 文件
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std::ifstream file("assets/images/atlas.json");
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if (!file.is_open()) {
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E2D_LOG_ERROR("无法打开 atlas.json 文件");
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return;
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}
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// 解析 JSON 图集数据
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try {
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nlohmann::json jsonData;
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file >> jsonData;
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for (const auto& sprite : jsonData["sprites"]) {
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std::string name = sprite["name"];
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float x = sprite["x"];
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float y = sprite["y"];
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float width = sprite["width"];
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float height = sprite["height"];
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ImageInfo info = { width, height, x, y };
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imageMap_[name] = info;
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}
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E2D_LOG_INFO("成功加载 {} 个精灵帧", imageMap_.size());
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} catch (const std::exception& e) {
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E2D_LOG_ERROR("解析 atlas.json 失败: {}", e.what());
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file.close();
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return;
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}
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file.close();
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// 加载音效
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soundMap_[MusicType::Click] = resources.loadSound("assets/sound/click.wav");
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soundMap_[MusicType::Hit] = resources.loadSound("assets/sound/hit.wav");
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soundMap_[MusicType::Fly] = resources.loadSound("assets/sound/fly.wav");
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soundMap_[MusicType::Point] = resources.loadSound("assets/sound/point.wav");
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soundMap_[MusicType::Swoosh] = resources.loadSound("assets/sound/swoosh.wav");
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E2D_LOG_INFO("资源加载完成");
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}
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extra2d::Ptr<extra2d::SpriteFrame> ResLoader::getKeyFrame(const std::string& name) {
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auto it = imageMap_.find(name);
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if (it == imageMap_.end()) {
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E2D_LOG_WARN("找不到精灵帧: %s", name.c_str());
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return nullptr;
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}
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const ImageInfo& info = it->second;
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E2D_LOG_INFO("加载精灵帧: name={}, w={}, h={}, x={}, y={}",
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name, info.width, info.height, info.x, info.y);
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// 检查纹理尺寸
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if (atlasTexture_) {
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E2D_LOG_INFO("图集纹理尺寸: {}x{}", atlasTexture_->getWidth(), atlasTexture_->getHeight());
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}
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return extra2d::makePtr<extra2d::SpriteFrame>(
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atlasTexture_,
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extra2d::Rect(info.x, info.y, info.width, info.height)
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);
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}
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void ResLoader::playMusic(MusicType type) {
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auto it = soundMap_.find(type);
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if (it != soundMap_.end() && it->second) {
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it->second->play();
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}
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}
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} // namespace flappybird
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