The Wolfenstein 3D source as originally released.

WOLFSRC/ID_CA.H

@@ -0,0 +1,101 @@
+// ID_CA.H
+//===========================================================================
+
+#define NUMMAPS		60
+#define MAPPLANES	2
+
+#define UNCACHEGRCHUNK(chunk)	{MM_FreePtr(&grsegs[chunk]);grneeded[chunk]&=~ca_levelbit;}
+
+//===========================================================================
+
+typedef	struct
+{
+	long		planestart[3];
+	unsigned	planelength[3];
+	unsigned	width,height;
+	char		name[16];
+} maptype;
+
+//===========================================================================
+
+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);
+
+//===========================================================================
+
+// 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 CA_CacheScreen (int chunk);