--- /dev/null
+// ID_CA.H\r
+//===========================================================================\r
+\r
+#define NUMMAPS 60\r
+#define MAPPLANES 2\r
+\r
+#define UNCACHEGRCHUNK(chunk) {MM_FreePtr(&grsegs[chunk]);grneeded[chunk]&=~ca_levelbit;}\r
+\r
+//===========================================================================\r
+\r
+typedef struct\r
+{\r
+ long planestart[3];\r
+ unsigned planelength[3];\r
+ unsigned width,height;\r
+ char name[16];\r
+} maptype;\r
+\r
+//===========================================================================\r
+\r
+extern char audioname[13];\r
+\r
+extern byte _seg *tinf;\r
+extern int mapon;\r
+\r
+extern unsigned _seg *mapsegs[MAPPLANES];\r
+extern maptype _seg *mapheaderseg[NUMMAPS];\r
+extern byte _seg *audiosegs[NUMSNDCHUNKS];\r
+extern void _seg *grsegs[NUMCHUNKS];\r
+\r
+extern byte far grneeded[NUMCHUNKS];\r
+extern byte ca_levelbit,ca_levelnum;\r
+\r
+extern char *titleptr[8];\r
+\r
+extern int profilehandle,debughandle;\r
+\r
+extern char extension[5],\r
+ gheadname[10],\r
+ gfilename[10],\r
+ gdictname[10],\r
+ mheadname[10],\r
+ mfilename[10],\r
+ aheadname[10],\r
+ afilename[10];\r
+\r
+extern long _seg *grstarts; // array of offsets in egagraph, -1 for sparse\r
+extern long _seg *audiostarts; // array of offsets in audio / audiot\r
+//\r
+// hooks for custom cache dialogs\r
+//\r
+extern void (*drawcachebox) (char *title, unsigned numcache);\r
+extern void (*updatecachebox) (void);\r
+extern void (*finishcachebox) (void);\r
+\r
+//===========================================================================\r
+\r
+// just for the score box reshifting\r
+\r
+void CAL_ShiftSprite (unsigned segment,unsigned source,unsigned dest,\r
+ unsigned width, unsigned height, unsigned pixshift);\r
+\r
+//===========================================================================\r
+\r
+void CA_OpenDebug (void);\r
+void CA_CloseDebug (void);\r
+boolean CA_FarRead (int handle, byte far *dest, long length);\r
+boolean CA_FarWrite (int handle, byte far *source, long length);\r
+boolean CA_ReadFile (char *filename, memptr *ptr);\r
+boolean CA_LoadFile (char *filename, memptr *ptr);\r
+boolean CA_WriteFile (char *filename, void far *ptr, long length);\r
+\r
+long CA_RLEWCompress (unsigned huge *source, long length, unsigned huge *dest,\r
+ unsigned rlewtag);\r
+\r
+void CA_RLEWexpand (unsigned huge *source, unsigned huge *dest,long length,\r
+ unsigned rlewtag);\r
+\r
+void CA_Startup (void);\r
+void CA_Shutdown (void);\r
+\r
+void CA_SetGrPurge (void);\r
+void CA_CacheAudioChunk (int chunk);\r
+void CA_LoadAllSounds (void);\r
+\r
+void CA_UpLevel (void);\r
+void CA_DownLevel (void);\r
+\r
+void CA_SetAllPurge (void);\r
+\r
+void CA_ClearMarks (void);\r
+void CA_ClearAllMarks (void);\r
+\r
+#define CA_MarkGrChunk(chunk) grneeded[chunk]|=ca_levelbit\r
+\r
+void CA_CacheGrChunk (int chunk);\r
+void CA_CacheMap (int mapnum);\r
+\r
+void CA_CacheMarks (void);\r
+\r
+void CA_CacheScreen (int chunk);\r