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id_ca.h
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id_ca.h
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#ifndef __ID_CA__
#define __ID_CA__
//===========================================================================
#define NUMMAPS 60
#define MAPPLANES 2
#define UNCACHEGRCHUNK(chunk) {if(grsegs[chunk]) {free(grsegs[chunk]); grsegs[chunk]=NULL;}}
#define UNCACHEAUDIOCHUNK(chunk) {if(audiosegs[chunk]) {free(audiosegs[chunk]); audiosegs[chunk]=NULL;}}
//===========================================================================
typedef struct
{
int32_t planestart[3];
word planelength[3];
word width, height;
char name[16];
} maptype;
//===========================================================================
extern int mapon;
extern word* mapsegs[MAPPLANES];
extern byte* audiosegs[NUMSNDCHUNKS];
extern byte* grsegs[NUMCHUNKS];
extern char extension[5];
extern char graphext[5];
extern char audioext[5];
//===========================================================================
boolean CA_LoadFile(const char* filename, memptr* ptr);
boolean CA_WriteFile(const char* filename, void* ptr, int32_t length);
int32_t CA_RLEWCompress(word* source, int32_t length, word* dest, word rlewtag);
void CA_RLEWexpand(word* source, word* dest, int32_t length, word rlewtag);
void CA_Startup(void);
void CA_Shutdown(void);
int32_t CA_CacheAudioChunk(int chunk);
void CA_LoadAllSounds(void);
void CA_CacheGrChunk(int chunk);
void CA_CacheMap(int mapnum);
void CA_CacheScreen(int chunk);
void CA_CannotOpen(const char* name);
#endif