planet-strike/ID_CA.H
2013-07-08 00:00:00 +00:00

143 lines
3.7 KiB
C

// ID_CA.H
//===========================================================================
#define NUM_EPISODES 1
#define MAPS_PER_EPISODE 25
#define MAPS_WITH_STATS 20
#define NUMMAPS NUM_EPISODES*MAPS_PER_EPISODE
#define MAPPLANES 2
#define UNCACHEGRCHUNK(chunk) {MM_FreePtr(&grsegs[chunk]);grneeded[chunk]&=~ca_levelbit;}
#define THREEBYTEGRSTARTS
#ifdef THREEBYTEGRSTARTS
#define FILEPOSSIZE 3
#else
#define FILEPOSSIZE 4
#endif
//===========================================================================
typedef struct
{
long planestart[3];
unsigned planelength[3];
unsigned width,height;
char name[16];
} maptype;
typedef struct
{
unsigned bit0,bit1; // 0-255 is a character, > is a pointer to a node
} huffnode;
typedef struct
{
unsigned RLEWtag;
long headeroffsets[100];
byte tileinfo[];
} mapfiletype;
//===========================================================================
extern char audioname[13];
extern byte _seg *tinf;
extern int mapon;
extern unsigned _seg *mapsegs[MAPPLANES];
extern maptype _seg *mapheaderseg[NUMMAPS];
extern byte _seg *audiosegs[NUMSNDCHUNKS];
extern void _seg *grsegs[NUMCHUNKS];
extern byte far grneeded[NUMCHUNKS];
extern byte ca_levelbit,ca_levelnum;
extern char *titleptr[8];
extern int profilehandle,debughandle;
extern char extension[5],
gheadname[10],
gfilename[10],
gdictname[10],
mheadname[10],
mfilename[10],
aheadname[10],
afilename[10];
extern long _seg *grstarts; // array of offsets in egagraph, -1 for sparse
extern long _seg *audiostarts; // array of offsets in audio / audiot
//
// hooks for custom cache dialogs
//
extern void (*drawcachebox) (char *title, unsigned numcache);
extern void (*updatecachebox) (void);
extern void (*finishcachebox) (void);
extern int grhandle; // handle to EGAGRAPH
extern int maphandle; // handle to MAPTEMP / GAMEMAPS
extern int audiohandle; // handle to AUDIOT / AUDIO
extern long chunkcomplen,chunkexplen;
#ifdef GRHEADERLINKED
extern huffnode *grhuffman;
#else
extern huffnode grhuffman[255];
#endif
//===========================================================================
// just for the score box reshifting
void CAL_ShiftSprite (unsigned segment,unsigned source,unsigned dest,
unsigned width, unsigned height, unsigned pixshift);
//===========================================================================
void CA_OpenDebug (void);
void CA_CloseDebug (void);
boolean CA_FarRead (int handle, byte far *dest, long length);
boolean CA_FarWrite (int handle, byte far *source, long length);
boolean CA_ReadFile (char *filename, memptr *ptr);
boolean CA_LoadFile (char *filename, memptr *ptr);
boolean CA_WriteFile (char *filename, void far *ptr, long length);
long CA_RLEWCompress (unsigned huge *source, long length, unsigned huge *dest,
unsigned rlewtag);
void CA_RLEWexpand (unsigned huge *source, unsigned huge *dest,long length,
unsigned rlewtag);
void CA_Startup (void);
void CA_Shutdown (void);
void CA_SetGrPurge (void);
void CA_CacheAudioChunk (int chunk);
void CA_LoadAllSounds (void);
void CA_UpLevel (void);
void CA_DownLevel (void);
void CA_SetAllPurge (void);
void CA_ClearMarks (void);
void CA_ClearAllMarks (void);
#define CA_MarkGrChunk(chunk) grneeded[chunk]|=ca_levelbit
void CA_CacheGrChunk (int chunk);
void CA_CacheMap (int mapnum);
void CA_CacheMarks (void);
void CAL_SetupAudioFile (void);
void CAL_SetupGrFile (void);
void CAL_SetupMapFile (void);
void CAL_HuffExpand (byte huge *source, byte huge *dest,
long length,huffnode far *hufftable, boolean screenhack);
void CloseGrFile(void);
void OpenGrFile(void);