forked from CatacombGames/Catacomb3D
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ID_RF.H
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ID_RF.H
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/* Catacomb 3-D Source Code
* Copyright (C) 1993-2014 Flat Rock Software
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
// ID_RF.H
#define __ID_RF__
#ifndef __ID_MM__
#include "ID_MM.H"
#endif
/*
=============================================================================
CONSTANTS
=============================================================================
*/
#define MINTICS 2
#define MAXTICS 6
#define DEMOTICS 3
#define MAPBORDER 2 // map border must be at least 1
#define MAXSPRITES 50 // max tracked sprites
#define MAXANIMTILES 90 // max animating tiles on screen
#define MAXANIMTYPES 50 // max different unique anim tiles on map
#define MAXMAPHEIGHT 200
#define PRIORITIES 4
#define MASKEDTILEPRIORITY 3 // planes go: 0,1,2,MTILES,3
#define TILEGLOBAL 256
#define PIXGLOBAL 16
#define G_T_SHIFT 8 // global >> ?? = tile
#define G_P_SHIFT 4 // global >> ?? = pixels
#define P_T_SHIFT 4 // pixels >> ?? = tile
#define PORTTILESWIDE 21 // all drawing takes place inside a
#define PORTTILESHIGH 14 // non displayed port of this size
//#define PORTGLOBALWIDE (21*TILEGLOBAL)
//#define PORTGLOBALHIGH (14*TILEGLOBAL)
#define UPDATEWIDE (PORTTILESWIDE+1)
#define UPDATEHIGH PORTTILESHIGH
//===========================================================================
typedef enum {spritedraw,maskdraw} drawtype;
/*
=============================================================================
PUBLIC VARIABLES
=============================================================================
*/
extern boolean compatability; // crippled refresh for wierdo SVGAs
extern unsigned tics;
extern long lasttimecount;
extern unsigned originxglobal,originyglobal;
extern unsigned originxtile,originytile;
extern unsigned originxscreen,originyscreen;
extern unsigned mapwidth,mapheight,mapbyteswide,mapwordswide
,mapbytesextra,mapwordsextra;
extern unsigned mapbwidthtable[MAXMAPHEIGHT];
extern unsigned originxmin,originxmax,originymin,originymax;
extern unsigned masterofs;
//
// the floating update window is also used by the view manager for
// double buffer tracking
//
extern byte *updateptr; // current start of update window
#if GRMODE == CGAGR
extern byte *baseupdateptr;
#endif
extern unsigned blockstarts[UPDATEWIDE*UPDATEHIGH];
extern unsigned updatemapofs[UPDATEWIDE*UPDATEHIGH];
extern unsigned uwidthtable[UPDATEHIGH]; // lookup instead of multiple
#define UPDATETERMINATE 0x0301
/*
=============================================================================
PUBLIC FUNCTIONS
=============================================================================
*/
void RF_Startup (void);
void RF_Shutdown (void);
void RF_FixOfs (void);
void RF_NewMap (void);
void RF_MarkTileGraphics (void);
void RF_SetScrollBlock (int x, int y, boolean horizontal);
void RF_NewPosition (unsigned x, unsigned y);
void RF_Scroll (int x, int y);
void RF_MapToMap (unsigned srcx, unsigned srcy,
unsigned destx, unsigned desty,
unsigned width, unsigned height);
void RF_MemToMap (unsigned far *source, unsigned plane,
unsigned destx, unsigned desty,
unsigned width, unsigned height);
void RF_ClearBlock (int x, int y, int width, int height);
void RF_RedrawBlock (int x, int y, int width, int height);
void RF_PlaceSprite (void **user,unsigned globalx,unsigned globaly,
unsigned spritenumber, drawtype draw, int priority);
void RF_RemoveSprite (void **user);
void RF_CalcTics (void);
void RF_Refresh (void);
void RF_ForceRefresh (void);
void RF_SetRefreshHook (void (*func) (void) );
unsigned RF_FindFreeBuffer (void);