Initial engine repository

2026-06-08 19:58:35 +08:00
commit 7a925c3736
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+#pragma once
+
+#include <frostbite2D/types/type_alias.h>
+#include <string>
+
+namespace frostbite2D {
+
+/**
+ * @brief 音频系统配置
+ */
+struct AudioConfig {
+  int frequency = 44100;
+  uint16_t format = 0x8010;
+  int channels = 2;
+  int chunksize = 4096;
+  int maxSoundChannels = 32;
+};
+
+/**
+ * @brief 音频系统（单例）
+ *
+ * 负责初始化和管理整个音频系统，包括音量控制和声道管理。
+ */
+class AudioSystem {
+public:
+  static AudioSystem& get();
+
+  AudioSystem(const AudioSystem&) = delete;
+  AudioSystem& operator=(const AudioSystem&) = delete;
+
+  bool init(const AudioConfig& config = AudioConfig());
+  void shutdown();
+  bool isInitialized() const { return initialized_; }
+
+  void setMasterVolume(float volume);
+  float getMasterVolume() const;
+
+  void setSoundVolume(float volume);
+  float getSoundVolume() const;
+
+  void setMusicVolume(float volume);
+  float getMusicVolume() const;
+
+  void pauseAllSounds();
+  void resumeAllSounds();
+  void stopAllSounds();
+
+  int getMaxChannels() const { return maxChannels_; }
+
+private:
+  AudioSystem() = default;
+  // ~AudioSystem() 在 shutdown() 中手动调用销毁
+
+  void updateVolumes();
+
+  bool initialized_ = false;
+  float masterVolume_ = 1.0f;
+  float soundVolume_ = 1.0f;
+  float musicVolume_ = 1.0f;
+  int maxChannels_ = 32;
+};
+
+}