SFX.H

#ifndef SFX_HEADER 
#define SFX_HEADER 
/*========================================================================== 
 * 
 *  Copyright (C) 1995 Microsoft Corporation. All Rights Reserved. 
 * 
 *  File:       sfx.h 
 *  Content:    Routines 
 * 
 * 
 ***************************************************************************/ 
 
#include <dsound.h> 
#include "ds3dutil.h" 
/******************* DEFINITIONS *************************** 
These will be used to index the array of CSound3D objects. 
*********************************************************/ 
#define BFIRE       0 //Bullet Firing 
#define SBOOM       1 //Ship Exploding 
#define SENGINE     2 //Ship Engine 
#define SSTART      3 //Starting Engine 
#define SSTOP       4 //Stopping Engine (key 5) 
#define SBOUNCE     5 //Bouncing off a block or window edge 
#define LBOOM       6 //Block destruction 
 
#define MAX_SOUNDS  7  
 
/******************* DEFINITIONS FOR SHARED INFO ************/ 
#define ENGINE_STATE 0x00000001l      // Set if Engine is running 
 
 
/**************** CONVERSION MACROS ************************** 
These would be faster if hard-coded, but are left like this 
for readability. 
**************************************************************/ 
#define SCREEN_METERS D3DVAL(6)         //(How many meters wide is the screen?) 
#define PPM    D3DVAL(640/SCREEN_METERS)  //How many pixels per meter? 
#define MPP    D3DVAL(SCREEN_METERS/640.f)  //How many meters per pixel? 
#define P2M(x) D3DVAL(D3DVAL(x) * MPP)   //converts pixels to meters 
#define M2P(x) D3DVAL(D3DVAL(x) * PPM)   //converts meters to pixels 
 
/****************** FUNCTION PROTOTYPES *********************/ 
BOOL InitSfx(void); 
void CleanupSfx(void); 
/************************ VARIABLES *************************/ 
extern LPWAVEDATA           gSoundEffect[MAX_SOUNDS]; 
extern BOOL                 gbSoundInitialized; 
extern CHAR *               gszResourceName[MAX_SOUNDS]; 
extern LPDIRECTSOUND        glpDirectSound; 
extern LPDIRECTSOUND3DLISTENER   glpDirectSound3DListener; 
extern LPDIRECTSOUNDBUFFER  glpPrimaryBuffer; 
 
#endif