+++ /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_VW.H\r
-\r
-#ifndef __TYPES__\r
-#include "ID_TYPES.H"\r
-#endif\r
-\r
-#ifndef __ID_MM__\r
-#include "ID_MM.H"\r
-#endif\r
-\r
-#ifndef __ID_GLOB__\r
-#include "ID_GLOB.H"\r
-#endif\r
-\r
-#define __ID_VW__\r
-\r
-//===========================================================================\r
-\r
-#define G_P_SHIFT 4 // global >> ?? = pixels\r
-\r
-#if GRMODE == EGAGR\r
-#ifdef CAT3D\r
-#define SCREENWIDTH 40\r
-#else\r
-#define SCREENWIDTH 64\r
-#endif\r
-#define CHARWIDTH 1\r
-#define TILEWIDTH 2\r
-#define GRPLANES 4\r
-#define BYTEPIXELS 8\r
-#endif\r
-\r
-#if GRMODE == CGAGR\r
-#define SCREENWIDTH 128\r
-#define CHARWIDTH 2\r
-#define TILEWIDTH 4\r
-#define GRPLANES 1\r
-#define BYTEPIXELS 4\r
-#endif\r
-\r
-#define VIRTUALHEIGHT 300\r
-#define VIRTUALWIDTH 512\r
-\r
-\r
-#if GRMODE == CGAGR\r
-\r
-#define MAXSHIFTS 1\r
-\r
-#define WHITE 3 // graphics mode independant colors\r
-#define BLACK 0\r
-#define FIRSTCOLOR 1\r
-#define SECONDCOLOR 2\r
-#define F_WHITE 0 // for XOR font drawing\r
-#define F_BLACK 3\r
-#define F_FIRSTCOLOR 2\r
-#define F_SECONDCOLOR 1\r
-\r
-#endif\r
-\r
-#if GRMODE == EGAGR\r
-\r
-#define MAXSHIFTS 4\r
-\r
-#define WHITE 15 // graphics mode independant colors\r
-#define BLACK 0\r
-#define FIRSTCOLOR 1\r
-#define SECONDCOLOR 12\r
-#define F_WHITE 0 // for XOR font drawing\r
-#define F_BLACK 15\r
-#define F_FIRSTCOLOR 14\r
-#define F_SECONDCOLOR 3\r
-\r
-#endif\r
-\r
-#if GRMODE == EGAGR\r
-#define SCREENXMASK (~7)\r
-#define SCREENXPLUS (7)\r
-#define SCREENXDIV (8)\r
-#endif\r
-\r
-#if GRMODE == CGAGR\r
-#define SCREENXMASK (~3)\r
-#define SCREENXDIV (4)\r
-#endif\r
-\r
-//===========================================================================\r
-\r
-\r
-#define SC_INDEX 0x3C4\r
-#define SC_RESET 0\r
-#define SC_CLOCK 1\r
-#define SC_MAPMASK 2\r
-#define SC_CHARMAP 3\r
-#define SC_MEMMODE 4\r
-\r
-#define CRTC_INDEX 0x3D4\r
-#define CRTC_H_TOTAL 0\r
-#define CRTC_H_DISPEND 1\r
-#define CRTC_H_BLANK 2\r
-#define CRTC_H_ENDBLANK 3\r
-#define CRTC_H_RETRACE 4\r
-#define CRTC_H_ENDRETRACE 5\r
-#define CRTC_V_TOTAL 6\r
-#define CRTC_OVERFLOW 7\r
-#define CRTC_ROWSCAN 8\r
-#define CRTC_MAXSCANLINE 9\r
-#define CRTC_CURSORSTART 10\r
-#define CRTC_CURSOREND 11\r
-#define CRTC_STARTHIGH 12\r
-#define CRTC_STARTLOW 13\r
-#define CRTC_CURSORHIGH 14\r
-#define CRTC_CURSORLOW 15\r
-#define CRTC_V_RETRACE 16\r
-#define CRTC_V_ENDRETRACE 17\r
-#define CRTC_V_DISPEND 18\r
-#define CRTC_OFFSET 19\r
-#define CRTC_UNDERLINE 20\r
-#define CRTC_V_BLANK 21\r
-#define CRTC_V_ENDBLANK 22\r
-#define CRTC_MODE 23\r
-#define CRTC_LINECOMPARE 24\r
-\r
-\r
-#define GC_INDEX 0x3CE\r
-#define GC_SETRESET 0\r
-#define GC_ENABLESETRESET 1\r
-#define GC_COLORCOMPARE 2\r
-#define GC_DATAROTATE 3\r
-#define GC_READMAP 4\r
-#define GC_MODE 5\r
-#define GC_MISCELLANEOUS 6\r
-#define GC_COLORDONTCARE 7\r
-#define GC_BITMASK 8\r
-\r
-#define ATR_INDEX 0x3c0\r
-#define ATR_MODE 16\r
-#define ATR_OVERSCAN 17\r
-#define ATR_COLORPLANEENABLE 18\r
-#define ATR_PELPAN 19\r
-#define ATR_COLORSELECT 20\r
-\r
-#define STATUS_REGISTER_1 0x3da\r
-\r
-//===========================================================================\r
-\r
-typedef enum {NOcard,MDAcard,CGAcard,EGAcard,MCGAcard,VGAcard,\r
- HGCcard=0x80,HGCPcard,HICcard} cardtype;\r
-\r
-typedef struct\r
-{\r
- int width,\r
- height,\r
- orgx,orgy,\r
- xl,yl,xh,yh,\r
- shifts;\r
-} spritetabletype;\r
-\r
-typedef struct\r
-{\r
- unsigned sourceoffset[MAXSHIFTS];\r
- unsigned planesize[MAXSHIFTS];\r
- unsigned width[MAXSHIFTS];\r
- byte data[];\r
-} spritetype; // the memptr for each sprite points to this\r
-\r
-typedef struct\r
-{\r
- int width,height;\r
-} pictabletype;\r
-\r
-\r
-typedef struct\r
-{\r
- int height;\r
- int location[256];\r
- char width[256];\r
-} fontstruct;\r
-\r
-\r
-typedef enum {CGAgr,EGAgr,VGAgr} grtype;\r
-\r
-//===========================================================================\r
-\r
-extern cardtype videocard; // set by VW_Startup\r
-extern grtype grmode; // CGAgr, EGAgr, VGAgr\r
-\r
-extern unsigned bufferofs; // hidden port to draw to before displaying\r
-extern unsigned displayofs; // origin of port on visable screen\r
-extern unsigned panx,pany; // panning adjustments inside port in pixels\r
-extern unsigned pansx,pansy;\r
-extern unsigned panadjust; // panx/pany adjusted by screen resolution\r
-\r
-extern unsigned screenseg; // normally 0xa000 or buffer segment\r
-\r
-extern unsigned linewidth;\r
-extern unsigned ylookup[VIRTUALHEIGHT];\r
-\r
-extern boolean screenfaded;\r
-extern char colors[7][17]; // pallets for fades\r
-\r
-extern pictabletype _seg *pictable;\r
-extern pictabletype _seg *picmtable;\r
-extern spritetabletype _seg *spritetable;\r
-\r
-extern unsigned fontnumber; // 0 based font number for drawing\r
-extern int px,py;\r
-extern byte pdrawmode,fontcolor;\r
-\r
-extern int bordercolor;\r
-extern boolean nopan;\r
-\r
-//\r
-// asm globals\r
-//\r
-\r
-extern unsigned *shifttabletable[8];\r
-extern unsigned bufferwidth,bufferheight,screenspot; // used by font drawing stuff\r
-\r
-\r
-\r
-//===========================================================================\r
-\r
-\r
-void VW_Startup (void);\r
-void VW_Shutdown (void);\r
-\r
-cardtype VW_VideoID (void);\r
-\r
-//\r
-// EGA hardware routines\r
-//\r
-\r
-#define EGAWRITEMODE(x) asm{cli;mov dx,GC_INDEX;mov ax,GC_MODE+256*x;out dx,ax;sti;}\r
-#define EGABITMASK(x) asm{cli;mov dx,GC_INDEX;mov ax,GC_BITMASK+256*x;out dx,ax;sti;}\r
-#define EGAMAPMASK(x) asm{cli;mov dx,SC_INDEX;mov ax,SC_MAPMASK+x*256;out dx,ax;sti;}\r
-#define EGAREADMAP(x) asm{cli;mov dx,GC_INDEX;mov ax,GC_READMAP+x*256;out dx,ax;sti;}\r
-\r
-void VW_SetLineWidth(int width);\r
-void VW_SetSplitScreen(int width);\r
-void VW_SetScreen (unsigned CRTC, unsigned pelpan);\r
-\r
-void VW_SetScreenMode (int grmode);\r
-void VW_ClearVideo (int color);\r
-void VW_WaitVBL (int number);\r
-\r
-void VW_ColorBorder (int color);\r
-void VW_SetPalette(byte *palette);\r
-void VW_SetDefaultColors(void);\r
-void VW_FadeOut(void);\r
-void VW_FadeIn(void);\r
-void VW_FadeUp(void);\r
-void VW_FadeDown(void);\r
-\r
-void VW_SetAtrReg (int reg, int value);\r
-\r
-//\r
-// block primitives\r
-//\r
-\r
-void VW_MaskBlock(memptr segm,unsigned ofs,unsigned dest,\r
- unsigned wide,unsigned height,unsigned planesize);\r
-void VW_InverseMask(memptr segm,unsigned ofs,unsigned dest,\r
- unsigned wide,unsigned height);\r
-void VW_MemToScreen(memptr source,unsigned dest,unsigned width,unsigned height);\r
-void VW_ScreenToMem(unsigned source,memptr dest,unsigned width,unsigned height);\r
-void VW_ScreenToScreen(unsigned source,unsigned dest,unsigned width,unsigned height);\r
-\r
-\r
-//\r
-// block addressable routines\r
-//\r
-\r
-void VW_DrawTile8(unsigned x, unsigned y, unsigned tile);\r
-\r
-#if GRMODE == EGAGR\r
-\r
-#define VW_DrawTile8M(x,y,t) \\r
- VW_MaskBlock(grsegs[STARTTILE8M],(t)*40,bufferofs+ylookup[y]+(x),1,8,8)\r
-#define VW_DrawTile16(x,y,t) \\r
- VW_MemToScreen(grsegs[STARTTILE16+t],bufferofs+ylookup[y]+(x),2,16)\r
-#define VW_DrawTile16M(x,y,t) \\r
- VW_MaskBlock(grsegs[STARTTILE16M],(t)*160,bufferofs+ylookup[y]+(x),2,16,32)\r
-\r
-#endif\r
-\r
-#if GRMODE == CGAGR\r
-\r
-#define VW_DrawTile8M(x,y,t) \\r
- VW_MaskBlock(grsegs[STARTTILE8M],(t)*32,bufferofs+ylookup[y]+(x),2,8,16)\r
-#define VW_DrawTile16(x,y,t) \\r
- VW_MemToScreen(grsegs[STARTTILE16+t],bufferofs+ylookup[y]+(x),4,16)\r
-#define VW_DrawTile16M(x,y,t) \\r
- VW_MaskBlock(grsegs[STARTTILE16M],(t)*128,bufferofs+ylookup[y]+(x),4,16,64)\r
-\r
-#endif\r
-\r
-void VW_DrawPic(unsigned x, unsigned y, unsigned chunknum);\r
-void VW_DrawMPic(unsigned x, unsigned y, unsigned chunknum);\r
-void VW_ClipDrawMPic(unsigned x, int y, unsigned chunknum);\r
-\r
-//\r
-// pixel addressable routines\r
-//\r
-void VW_MeasurePropString (char far *string, word *width, word *height);\r
-void VW_MeasureMPropString (char far *string, word *width, word *height);\r
-\r
-void VW_DrawPropString (char far *string);\r
-void VW_DrawMPropString (char far *string);\r
-void VW_DrawSprite(int x, int y, unsigned sprite);\r
-void VW_Plot(unsigned x, unsigned y, unsigned color);\r
-void VW_Hlin(unsigned xl, unsigned xh, unsigned y, unsigned color);\r
-void VW_Vlin(unsigned yl, unsigned yh, unsigned x, unsigned color);\r
-void VW_Bar (unsigned x, unsigned y, unsigned width, unsigned height,\r
- unsigned color);\r
-\r
-//===========================================================================\r
-\r
-//\r
-// Double buffer management routines\r
-//\r
-\r
-void VW_InitDoubleBuffer (void);\r
-void VW_FixRefreshBuffer (void);\r
-int VW_MarkUpdateBlock (int x1, int y1, int x2, int y2);\r
-void VW_UpdateScreen (void);\r
-void VW_CGAFullUpdate (void);\r
-\r
-//\r
-// cursor\r
-//\r
-\r
-void VW_ShowCursor (void);\r
-void VW_HideCursor (void);\r
-void VW_MoveCursor (int x, int y);\r
-void VW_SetCursor (int spritenum);\r
-void VW_FreeCursor (void);\r
-\r
-//\r
-// mode independant routines\r
-// coordinates in pixels, rounded to best screen res\r
-// regions marked in double buffer\r
-//\r
-\r
-void VWB_DrawTile8 (int x, int y, int tile);\r
-void VWB_DrawTile8M (int x, int y, int tile);\r
-void VWB_DrawTile16 (int x, int y, int tile);\r
-void VWB_DrawTile16M (int x, int y, int tile);\r
-void VWB_DrawPic (int x, int y, int chunknum);\r
-void VWB_DrawMPic(int x, int y, int chunknum);\r
-void VWB_Bar (int x, int y, int width, int height, int color);\r
-\r
-void VWB_DrawPropString (char far *string);\r
-void VWB_DrawMPropString (char far *string);\r
-void VWB_DrawSprite (int x, int y, int chunknum);\r
-void VWB_Plot (int x, int y, int color);\r
-void VWB_Hlin (int x1, int x2, int y, int color);\r
-void VWB_Vlin (int y1, int y2, int x, int color);\r
-\r
-//===========================================================================\r
projects / 16.git / blobdiff