soundst.h

使用Doom引擎开发的著名游戏《毁灭巫师》的源代码。

//**************************************************************************
//**
//** soundst.h : Heretic 2 : Raven Software, Corp.
//**
//** $RCSfile: soundst.h,v $
//** $Revision: 1.13 $
//** $Date: 95/10/12 18:01:27 $
//** $Author: cjr $
//**
//**************************************************************************

#ifndef __SOUNDSTH__
#define __SOUNDSTH__

typedef struct
{
	char name[8];
	int p1;
} musicinfo_t;

typedef struct sfxinfo_s
{
	char tagName[32];
	char lumpname[12]; // Only need 9 bytes, but padded out to be dword aligned
	//struct sfxinfo_s *link; // Make alias for another sound
	int priority; // Higher priority takes precendence
	int usefulness; // Determines when a sound should be cached out
	void *snd_ptr;
	int lumpnum;
	int numchannels; // total number of channels a sound type may occupy
	boolean	changePitch;
} sfxinfo_t;

typedef struct
{
	mobj_t *mo;
	int sound_id;
	int handle;
	int volume;
	int pitch;
	int priority;
} channel_t;

typedef struct
{
	long id;
	unsigned short priority;
	char *name;
	mobj_t *mo;
	int distance;
} ChanInfo_t;

typedef struct
{
	int channelCount;
	int musicVolume;
	int soundVolume;
	ChanInfo_t chan[8];
} SoundInfo_t;

extern int snd_MaxVolume;
extern int snd_MusicVolume;

void S_Start(void);
void S_StartSound(mobj_t *origin, int sound_id);
int S_GetSoundID(char *name);
void S_StartSoundAtVolume(mobj_t *origin, int sound_id, int volume);
void S_StopSound(mobj_t *origin);
void S_StopAllSound(void);
void S_PauseSound(void);
void S_ResumeSound(void);
void S_UpdateSounds(mobj_t *listener);
void S_StartSong(int song, boolean loop);
void S_StartSongName(char *songLump, boolean loop);
void S_Init(void);
void S_GetChannelInfo(SoundInfo_t *s);
void S_SetMusicVolume(void);
boolean S_GetSoundPlayingInfo(mobj_t *mobj, int sound_id);

#endif