#include <bass.h>
#include <basscd.h>
#include <bassmidi.h>
#include <bassflac.h>
#include <basswma.h>
/* 音频引擎 */
/* 弃用了旧的CL_Music,直接操作Bass提高效率 */
class soundSystem
{
	private:
		/* 先是常量 */
#define GBGMNUM 13 + 1
#define MBGMNUM 7 + 1
		enum SoundEffects {
		    shootSE,
		    blastSE,
		    pblastSE,
		    saveSE,
		    hitSE,
		    changeSE,
		    seEnd
		};
		enum VolumeModes {
		    SilenceVM,      /* 静音 */
		    NormalVM,       /* 正常音量比例（无子弹发射） */
		    FightVM,        /* bgm声音略大se不变 */
		    StressVM        /* 强调模式，bgm与大部分se小声，个别se大声 */
		};
		/* 加载音乐 */
		DWORD OpenFile( string fn ) {
			return(BASS_StreamCreateFile( FALSE, fn.c_str(), 0, 0, 0 | BASS_SAMPLE_FX ) );
		}


		/* 播放 */
		inline void Play( DWORD id ) {
			BASS_ChannelPlay( id, 1 );
		}


		/* 设置音量 */
		inline void setVolume( DWORD id, float vol ) {
			BASS_ChannelSetAttribute( id, BASS_ATTRIB_VOL, vol );
		}


		/* 停止 */
		inline void Stop( DWORD id ) {
			BASS_ChannelStop( id );
		}

	private:
		DWORD	gbgmList[GBGMNUM];      /* 游戏背景音乐列表 */
		DWORD	agbgmList[GBGMNUM];     /* 游戏结束背景音乐列表 */
		DWORD	mbgmList[MBGMNUM];      /* 菜单背景音乐列表 */
		DWORD	seList[seEnd];          /* 音效列表 */

		int	gbgmId;                 /* 当前正在播放的bgm代号 */
		int	mbgmId;                 /* 菜单正在播放的bgm代号 */

		//音量
		float	bgmVolume;
		float	seVolume;
		//用于高速执行的缓存
		float	abgmVolume;
		float	aseVolume;
		int vMode;                      /* 音量模式 */

		/*
		 * 自动音量调节
		 * 为了方便，一次仅处理se、mbgm、gbgm 、 agbgm
		 */
		inline void autoSVolume() {
			/* 所有效果的权值，sseW是特殊se(其实就是pBlast) */
			float sseW, seW, mbgmW, gbgmW, agbgmW;
			/* 初始化 */
			sseW = seW = mbgmW = gbgmW = agbgmW = 1;
			/* 设置权值 */
			switch ( vMode ) {
				case SilenceVM: {
					seW = mbgmW = gbgmW = agbgmW = 0;
					break;
				}
				case NormalVM: {
					/* 直接用初始值 */
					break;
				}
				case FightVM: {
					mbgmW = gbgmW = agbgmW = 1.5;
					break;
				}
				case StressVM: {
					sseW	= 2;
					mbgmW	= gbgmW = agbgmW = 0.5;
					break;
				}
			}
			/* 调节音量 */
			setVolume( gbgmList[gbgmId], bgmVolume * gbgmW );
			setVolume( agbgmList[gbgmId], bgmVolume * gbgmW );
			setVolume( mbgmList[mbgmId], bgmVolume * gbgmW );

			for ( int i = 0; i < seEnd; i++ ) {
				setVolume( seList[i], seVolume * seW );
			}
			setVolume( seList[pblastSE], seVolume * sseW );
			//智能检测
			if(abgmVolume!=bgmVolume || aseVolume!=seVolume) {
				api_sleep(300);
			}
			abgmVolume=bgmVolume;
			aseVolume=seVolume;
			return;
		}


		/* 自动设置音量模式 */
		inline void autoSVM() {
			if ( vMode == SilenceVM )
				return;
			/* 此处有一定的优先级关系 */
			if ( BASS_ChannelIsActive( seList[pblastSE] ) == BASS_ACTIVE_PLAYING ) {
				vMode = StressVM;
			} else if ( BASS_ChannelIsActive( seList[shootSE] ) == BASS_ACTIVE_PLAYING || BASS_ChannelIsActive( seList[blastSE] ) == BASS_ACTIVE_PLAYING ) {
				vMode = FightVM;
			} else {
				vMode = NormalVM;
			}
			return;
		}


		/*
		 * 自动处理音量
		 * 即上两个的联动
		 */
		inline void autoHVolume() {
			autoSVM();
			autoSVolume();
		}
	public:
		soundSystem() {
			/* 初始化Bass */
			BASS_Init( -1, 44100, 0, 0, 0 );
			BASS_PluginLoad( "bass_ape.dll", 0 );

			/* 初始化音量 */
			abgmVolume=bgmVolume	= 0.4;
			aseVolume=seVolume	= 0.6;

			/* 初始化VM */
			vMode = NormalVM;

			/* 偷懒 */
			string	gbgmpath	= "sound\\music\\run\\";
			string	agbgmpath	= "sound\\music\\over\\Outro "; /* 严重偷懒行为 */
			string	mbgmpath	= "sound\\music\\menu\\";
			string	sepath		= "sound\\se\\";

			/* 加载游戏背景音乐列表 */
			gbgmList[0]	= OpenFile( gbgmpath + "Deadmau5 Professional Griefers.mp3" );
			gbgmList[1]	= OpenFile( gbgmpath + "Gemini Fire Inside.mp3" );
			gbgmList[2]	= OpenFile( gbgmpath + "Krubb Wenkroist Bad Weekend.mp3" );
			gbgmList[3]	= OpenFile( gbgmpath + "Martin Garrix Animals.mp3" );
			gbgmList[4]	= OpenFile( gbgmpath + "Monsta Holdin On.mp3" );
			gbgmList[5]	= OpenFile( gbgmpath + "Mord Fustang Windwaker.mp3" );
			gbgmList[6]	= OpenFile( gbgmpath + "Mutemath Blood Pressure.mp3" );
			gbgmList[7]	= OpenFile( gbgmpath + "Queen Of The Stone Age Go With The Flow.mp3" );
			gbgmList[8]	= OpenFile( gbgmpath + "The Bloody Beetroots Rocksteady.mp3" );
			gbgmList[9]	= OpenFile( gbgmpath + "The Crystal Method Ove It.mp3" );
			gbgmList[10]	= OpenFile( gbgmpath + "The Crystal Method Play For Real Edit.mp3" );
			gbgmList[11]	= OpenFile( gbgmpath + "The Qemists Be Electric.mp3" );
			gbgmList[12]	= OpenFile( gbgmpath + "Trentemoller Silver Surfer Ghost Rider Go.mp3" );
			gbgmList[13]	= OpenFile( gbgmpath + "Vitalic Stamina.mp3" );

			/* 加载游戏结束背景音乐列表 */
			agbgmList[0]	= OpenFile( agbgmpath + "Deadmau5 Professional Griefers.mp3" );
			agbgmList[1]	= OpenFile( agbgmpath + "Gemini Fire Inside.mp3" );
			agbgmList[2]	= OpenFile( agbgmpath + "Krubb Wenkroist Bad Weekend.mp3" );
			agbgmList[3]	= OpenFile( agbgmpath + "Martin Garrix Animals.mp3" );
			agbgmList[4]	= OpenFile( agbgmpath + "Monsta Holdin On.mp3" );
			agbgmList[5]	= OpenFile( agbgmpath + "Mord Fustang Windwaker.mp3" );
			agbgmList[6]	= OpenFile( agbgmpath + "Mutemath Blood Pressure.mp3" );
			agbgmList[7]	= OpenFile( agbgmpath + "Queen Of The Stone Age Go With The Flow.mp3" );
			agbgmList[8]	= OpenFile( agbgmpath + "The Bloody Beetroots Rocksteady.mp3" );
			agbgmList[9]	= OpenFile( agbgmpath + "The Crystal Method Ove It.mp3" );
			agbgmList[10]	= OpenFile( agbgmpath + "The Crystal Method Play For Real Edit.mp3" );
			agbgmList[11]	= OpenFile( agbgmpath + "The Qemists Be Electric.mp3" );
			agbgmList[12]	= OpenFile( agbgmpath + "Trentemoller Silver Surfer Ghost Rider Go.mp3" );
			agbgmList[13]	= OpenFile( agbgmpath + "Vitalic Stamina.mp3" );

			/* 加载菜单背景音乐 */
			mbgmList[0]	= OpenFile( mbgmpath + "Celldweller Pulsar.mp3" );
			mbgmList[1]	= OpenFile( mbgmpath + "Celldweller Through The Gates.mp3" );
			mbgmList[2]	= OpenFile( mbgmpath + "Dj Dubai Vodka Aspirin.mp3" );
			mbgmList[3]	= OpenFile( mbgmpath + "Dj Gontran Burning.mp3" );
			mbgmList[4]	= OpenFile( mbgmpath + "Dj Gontran Chemistry.mp3" );
			mbgmList[5]	= OpenFile( mbgmpath + "Dj Gontran Moby Glitch.mp3" );
			mbgmList[6]	= OpenFile( mbgmpath + "Dj Gontran Outrun.mp3" );
			mbgmList[7]	= OpenFile( mbgmpath + "Dj Gontran Phantasmagorical.mp3" );

			/* 加载音效列表 */
			seList[shootSE]		= OpenFile( sepath + "bomb.wav" );
			seList[blastSE]		= OpenFile( sepath + "bomb.wav" );
			seList[pblastSE]	= OpenFile( sepath + "bomb.wav" );
			seList[saveSE]		= OpenFile( sepath + "save.mp3" );
			seList[hitSE]		= OpenFile( sepath + "hit.wav" );
			seList[changeSE]	= OpenFile( sepath + "change.mp3" );

			autoHVolume();
		}


		~soundSystem() {
			BASS_Free();
		}


		inline void change() {
			autoHVolume();
			Play( seList[changeSE] );
		}


		inline void blast() {
			autoHVolume();
			Play( seList[blastSE] );
		}


		inline void save() {
			autoHVolume();
			Play( seList[saveSE] );
		}


		inline void pBlast() {
			autoHVolume();
			Play( seList[pblastSE] );
		}


		inline void shoot() {
			autoHVolume();
			Play( seList[shootSE] );
		}


		inline void hit() {
			autoHVolume();
			Play( seList[hitSE] );
		}


		inline void playMBgm() {
			if ( BASS_ChannelIsActive( agbgmList[gbgmId] ) == BASS_ACTIVE_PLAYING ) {
				Stop( agbgmList[gbgmId] );
			}
			if ( BASS_ChannelIsActive( mbgmList[mbgmId] ) == BASS_ACTIVE_STOPPED ) {
				mbgmId = random( MBGMNUM );
				autoHVolume();
				Play( mbgmList[mbgmId] );
			}
		}


		inline void playGBgm() {
			if ( BASS_ChannelIsActive( mbgmList[mbgmId] ) == BASS_ACTIVE_PLAYING ) {
				Stop( mbgmList[mbgmId] );
			}
			if ( BASS_ChannelIsActive( gbgmList[gbgmId] ) == BASS_ACTIVE_STOPPED ) {
				gbgmId = random( GBGMNUM );
				autoHVolume();
				Play( gbgmList[gbgmId] );
			}
		}


		inline void playAGBgm() {
			autoHVolume();
			if ( BASS_ChannelIsActive( gbgmList[gbgmId] ) == BASS_ACTIVE_PLAYING ) {
				Stop( gbgmList[gbgmId] );
			}
			if ( BASS_ChannelIsActive( agbgmList[gbgmId] ) == BASS_ACTIVE_STOPPED ) {
				Play( agbgmList[gbgmId] );
			}
		}

		inline float getBV() {
			return bgmVolume;
		}
		inline float getSV() {
			return seVolume;
		}
		inline void setBV(float bv) {
			bgmVolume=bv;
			autoHVolume();
		}
		inline void setSV(float sv) {
			seVolume=sv;
			autoHVolume();
		}

#undef GBGMNUM
#undef MBGMNUM
} MSYS;