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ID_RF.H
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153
ID_RF.H
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/* Catacomb 3-D Source Code
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* Copyright (C) 1993-2014 Flat Rock Software
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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// ID_RF.H
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#define __ID_RF__
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#ifndef __ID_MM__
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#include "ID_MM.H"
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#endif
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/*
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=============================================================================
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CONSTANTS
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=============================================================================
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*/
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#define MINTICS 2
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#define MAXTICS 6
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#define DEMOTICS 3
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#define MAPBORDER 2 // map border must be at least 1
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#define MAXSPRITES 50 // max tracked sprites
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#define MAXANIMTILES 90 // max animating tiles on screen
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#define MAXANIMTYPES 50 // max different unique anim tiles on map
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#define MAXMAPHEIGHT 200
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#define PRIORITIES 4
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#define MASKEDTILEPRIORITY 3 // planes go: 0,1,2,MTILES,3
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#define TILEGLOBAL 256
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#define PIXGLOBAL 16
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#define G_T_SHIFT 8 // global >> ?? = tile
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#define G_P_SHIFT 4 // global >> ?? = pixels
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#define P_T_SHIFT 4 // pixels >> ?? = tile
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#define PORTTILESWIDE 21 // all drawing takes place inside a
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#define PORTTILESHIGH 14 // non displayed port of this size
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//#define PORTGLOBALWIDE (21*TILEGLOBAL)
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//#define PORTGLOBALHIGH (14*TILEGLOBAL)
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#define UPDATEWIDE (PORTTILESWIDE+1)
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#define UPDATEHIGH PORTTILESHIGH
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//===========================================================================
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typedef enum {spritedraw,maskdraw} drawtype;
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/*
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=============================================================================
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PUBLIC VARIABLES
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=============================================================================
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*/
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extern boolean compatability; // crippled refresh for wierdo SVGAs
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extern unsigned tics;
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extern long lasttimecount;
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extern unsigned originxglobal,originyglobal;
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extern unsigned originxtile,originytile;
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extern unsigned originxscreen,originyscreen;
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extern unsigned mapwidth,mapheight,mapbyteswide,mapwordswide
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,mapbytesextra,mapwordsextra;
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extern unsigned mapbwidthtable[MAXMAPHEIGHT];
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extern unsigned originxmin,originxmax,originymin,originymax;
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extern unsigned masterofs;
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//
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// the floating update window is also used by the view manager for
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// double buffer tracking
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//
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extern byte *updateptr; // current start of update window
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#if GRMODE == CGAGR
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extern byte *baseupdateptr;
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#endif
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extern unsigned blockstarts[UPDATEWIDE*UPDATEHIGH];
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extern unsigned updatemapofs[UPDATEWIDE*UPDATEHIGH];
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extern unsigned uwidthtable[UPDATEHIGH]; // lookup instead of multiple
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#define UPDATETERMINATE 0x0301
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/*
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=============================================================================
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PUBLIC FUNCTIONS
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=============================================================================
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*/
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void RF_Startup (void);
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void RF_Shutdown (void);
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void RF_FixOfs (void);
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void RF_NewMap (void);
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void RF_MarkTileGraphics (void);
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void RF_SetScrollBlock (int x, int y, boolean horizontal);
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void RF_NewPosition (unsigned x, unsigned y);
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void RF_Scroll (int x, int y);
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void RF_MapToMap (unsigned srcx, unsigned srcy,
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unsigned destx, unsigned desty,
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unsigned width, unsigned height);
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void RF_MemToMap (unsigned far *source, unsigned plane,
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unsigned destx, unsigned desty,
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unsigned width, unsigned height);
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void RF_ClearBlock (int x, int y, int width, int height);
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void RF_RedrawBlock (int x, int y, int width, int height);
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void RF_PlaceSprite (void **user,unsigned globalx,unsigned globaly,
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unsigned spritenumber, drawtype draw, int priority);
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void RF_RemoveSprite (void **user);
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void RF_CalcTics (void);
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void RF_Refresh (void);
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void RF_ForceRefresh (void);
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void RF_SetRefreshHook (void (*func) (void) );
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unsigned RF_FindFreeBuffer (void);
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