--- /dev/null
+/* Reconstructed Commander Keen 4-6 Source Code\r
+ * Copyright (C) 2021 K1n9_Duk3\r
+ *\r
+ * This file is primarily based on:\r
+ * Catacomb 3-D Source Code\r
+ * Copyright (C) 1993-2014 Flat Rock Software\r
+ *\r
+ * This program is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License along\r
+ * with this program; if not, write to the Free Software Foundation, Inc.,\r
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
+ */\r
+\r
+// ID_RF.H\r
+\r
+#define __ID_RF__\r
+\r
+#ifndef __ID_MM__\r
+#include "ID_MM.H"\r
+#endif\r
+\r
+/*\r
+=============================================================================\r
+\r
+ CONSTANTS\r
+\r
+=============================================================================\r
+*/\r
+\r
+#define MINTICS 2\r
+#define MAXTICS 5\r
+#define DEMOTICS 3\r
+\r
+#define MAPBORDER 2 // map border must be at least 1\r
+\r
+#ifdef KEEN5\r
+\r
+#define MAXSPRITES 60 // max tracked sprites\r
+#define MAXANIMTILES 90 // max animating tiles on screen\r
+#define MAXANIMTYPES 80 // max different unique anim tiles on map\r
+\r
+#define MAXMAPHEIGHT 250\r
+\r
+#else\r
+\r
+#define MAXSPRITES 60 // max tracked sprites\r
+#define MAXANIMTILES 90 // max animating tiles on screen\r
+#define MAXANIMTYPES 65 // max different unique anim tiles on map\r
+\r
+#define MAXMAPHEIGHT 200\r
+\r
+#endif\r
+\r
+#define PRIORITIES 4\r
+#define MASKEDTILEPRIORITY 3 // planes go: 0,1,2,MTILES,3\r
+\r
+#define TILEGLOBAL 256\r
+#define PIXGLOBAL 16\r
+\r
+#define G_T_SHIFT 8 // global >> ?? = tile\r
+#define G_P_SHIFT 4 // global >> ?? = pixels\r
+#define P_T_SHIFT 4 // pixels >> ?? = tile\r
+\r
+#define PORTTILESWIDE 21 // all drawing takes place inside a\r
+#define PORTTILESHIGH 14 // non displayed port of this size\r
+\r
+//#define PORTGLOBALWIDE (21*TILEGLOBAL)\r
+//#define PORTGLOBALHIGH (14*TILEGLOBAL)\r
+\r
+#define UPDATEWIDE (PORTTILESWIDE+1)\r
+#define UPDATEHIGH PORTTILESHIGH\r
+\r
+\r
+//===========================================================================\r
+\r
+typedef enum {spritedraw,maskdraw} drawtype;\r
+\r
+/*\r
+=============================================================================\r
+\r
+ PUBLIC VARIABLES\r
+\r
+=============================================================================\r
+*/\r
+\r
+\r
+extern boolean compatability; // crippled refresh for wierdo SVGAs\r
+\r
+extern unsigned tics;\r
+extern long lasttimecount;\r
+\r
+extern unsigned originxglobal,originyglobal;\r
+extern unsigned originxtile,originytile;\r
+extern unsigned originxscreen,originyscreen;\r
+\r
+extern unsigned mapwidth,mapheight,mapbyteswide,mapwordswide\r
+ ,mapbytesextra,mapwordsextra;\r
+extern unsigned mapbwidthtable[MAXMAPHEIGHT];\r
+\r
+extern unsigned originxmin,originxmax,originymin,originymax;\r
+\r
+extern unsigned masterofs;\r
+\r
+//\r
+// the floating update window is also used by the view manager for\r
+// double buffer tracking\r
+//\r
+\r
+extern byte *updateptr; // current start of update window\r
+\r
+#if GRMODE == CGAGR\r
+extern byte *baseupdateptr;\r
+#endif\r
+\r
+extern unsigned blockstarts[UPDATEWIDE*UPDATEHIGH];\r
+extern unsigned updatemapofs[UPDATEWIDE*UPDATEHIGH];\r
+extern unsigned uwidthtable[UPDATEHIGH]; // lookup instead of multiple\r
+\r
+#define UPDATETERMINATE 0x0301\r
+\r
+/*\r
+=============================================================================\r
+\r
+ PUBLIC FUNCTIONS\r
+\r
+=============================================================================\r
+*/\r
+\r
+void RF_Startup (void);\r
+void RF_Shutdown (void);\r
+\r
+void RF_FixOfs (void);\r
+void RF_NewMap (void);\r
+void RF_MarkTileGraphics (void);\r
+void RF_SetScrollBlock (int x, int y, boolean horizontal);\r
+void RF_NewPosition (unsigned x, unsigned y);\r
+void RF_Scroll (int x, int y);\r
+\r
+void RF_MapToMap (unsigned srcx, unsigned srcy,\r
+ unsigned destx, unsigned desty,\r
+ unsigned width, unsigned height);\r
+void RF_MemToMap (unsigned far *source, unsigned plane,\r
+ unsigned destx, unsigned desty,\r
+ unsigned width, unsigned height);\r
+\r
+void RF_ClearBlock (int x, int y, int width, int height);\r
+void RF_RedrawBlock (int x, int y, int width, int height);\r
+\r
+void RF_PlaceSprite (void **user,unsigned globalx,unsigned globaly,\r
+ unsigned spritenumber, drawtype draw, int priority);\r
+void RF_RemoveSprite (void **user);\r
+\r
+void RF_CalcTics (void);\r
+\r
+void RF_Refresh (void);\r
+void RF_ForceRefresh (void);\r
+void RF_SetRefreshHook (void (*func) (void) );\r
+\r
+unsigned RF_FindFreeBuffer (void);\r
+\r
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