// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id: V_video.c,v 1.2 2000/04/26 20:00:03 proff_fs Exp $ // // PRBOOM/GLBOOM (C) Florian 'Proff' Schulze (florian.proff.schulze@gmx.net) // based on // BOOM, a modified and improved DOOM engine // Copyright (C) 1999 by // id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman // // 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., 59 Temple Place - Suite 330, Boston, MA // 02111-1307, USA. // // DESCRIPTION: // Gamma correction LUT stuff. // Color range translation support // Functions to draw patches (by post) directly to screen. // Functions to blit a block to the screen. // //----------------------------------------------------------------------------- static const char rcsid[] = "$Id: V_video.c,v 1.2 2000/04/26 20:00:03 proff_fs Exp $"; #include "doomdef.h" #include "r_main.h" #include "m_bbox.h" #include "w_wad.h" /* needed for color translation lump lookup */ #include "v_video.h" #include "i_video.h" // Each screen is [SCREENWIDTH*SCREENHEIGHT]; byte *screens[5]; int dirtybox[4]; //jff 2/18/98 palette color ranges for translation //jff 4/24/98 now pointers set to predefined lumps to allow overloading char *cr_brick; char *cr_tan; char *cr_gray; char *cr_green; char *cr_brown; char *cr_gold; char *cr_red; char *cr_blue; char *cr_blue_status; char *cr_orange; char *cr_yellow; //jff 4/24/98 initialize this at runtime char *colrngs[10]; // Now where did these came from? byte gammatable[5][256] = { {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, 17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32, 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48, 49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64, 65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80, 81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96, 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112, 113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128, 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223, 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239, 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255}, {2,4,5,7,8,10,11,12,14,15,16,18,19,20,21,23,24,25,26,27,29,30,31, 32,33,34,36,37,38,39,40,41,42,44,45,46,47,48,49,50,51,52,54,55, 56,57,58,59,60,61,62,63,64,65,66,67,69,70,71,72,73,74,75,76,77, 78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98, 99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114, 115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,129, 130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145, 146,147,148,148,149,150,151,152,153,154,155,156,157,158,159,160, 161,162,163,163,164,165,166,167,168,169,170,171,172,173,174,175, 175,176,177,178,179,180,181,182,183,184,185,186,186,187,188,189, 190,191,192,193,194,195,196,196,197,198,199,200,201,202,203,204, 205,205,206,207,208,209,210,211,212,213,214,214,215,216,217,218, 219,220,221,222,222,223,224,225,226,227,228,229,230,230,231,232, 233,234,235,236,237,237,238,239,240,241,242,243,244,245,245,246, 247,248,249,250,251,252,252,253,254,255}, {4,7,9,11,13,15,17,19,21,22,24,26,27,29,30,32,33,35,36,38,39,40,42, 43,45,46,47,48,50,51,52,54,55,56,57,59,60,61,62,63,65,66,67,68,69, 70,72,73,74,75,76,77,78,79,80,82,83,84,85,86,87,88,89,90,91,92,93, 94,95,96,97,98,100,101,102,103,104,105,106,107,108,109,110,111,112, 113,114,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128, 129,130,131,132,133,133,134,135,136,137,138,139,140,141,142,143,144, 144,145,146,147,148,149,150,151,152,153,153,154,155,156,157,158,159, 160,160,161,162,163,164,165,166,166,167,168,169,170,171,172,172,173, 174,175,176,177,178,178,179,180,181,182,183,183,184,185,186,187,188, 188,189,190,191,192,193,193,194,195,196,197,197,198,199,200,201,201, 202,203,204,205,206,206,207,208,209,210,210,211,212,213,213,214,215, 216,217,217,218,219,220,221,221,222,223,224,224,225,226,227,228,228, 229,230,231,231,232,233,234,235,235,236,237,238,238,239,240,241,241, 242,243,244,244,245,246,247,247,248,249,250,251,251,252,253,254,254, 255}, {8,12,16,19,22,24,27,29,31,34,36,38,40,41,43,45,47,49,50,52,53,55, 57,58,60,61,63,64,65,67,68,70,71,72,74,75,76,77,79,80,81,82,84,85, 86,87,88,90,91,92,93,94,95,96,98,99,100,101,102,103,104,105,106,107, 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124, 125,126,127,128,129,130,131,132,133,134,135,135,136,137,138,139,140, 141,142,143,143,144,145,146,147,148,149,150,150,151,152,153,154,155, 155,156,157,158,159,160,160,161,162,163,164,165,165,166,167,168,169, 169,170,171,172,173,173,174,175,176,176,177,178,179,180,180,181,182, 183,183,184,185,186,186,187,188,189,189,190,191,192,192,193,194,195, 195,196,197,197,198,199,200,200,201,202,202,203,204,205,205,206,207, 207,208,209,210,210,211,212,212,213,214,214,215,216,216,217,218,219, 219,220,221,221,222,223,223,224,225,225,226,227,227,228,229,229,230, 231,231,232,233,233,234,235,235,236,237,237,238,238,239,240,240,241, 242,242,243,244,244,245,246,246,247,247,248,249,249,250,251,251,252, 253,253,254,254,255}, {16,23,28,32,36,39,42,45,48,50,53,55,57,60,62,64,66,68,69,71,73,75,76, 78,80,81,83,84,86,87,89,90,92,93,94,96,97,98,100,101,102,103,105,106, 107,108,109,110,112,113,114,115,116,117,118,119,120,121,122,123,124, 125,126,128,128,129,130,131,132,133,134,135,136,137,138,139,140,141, 142,143,143,144,145,146,147,148,149,150,150,151,152,153,154,155,155, 156,157,158,159,159,160,161,162,163,163,164,165,166,166,167,168,169, 169,170,171,172,172,173,174,175,175,176,177,177,178,179,180,180,181, 182,182,183,184,184,185,186,187,187,188,189,189,190,191,191,192,193, 193,194,195,195,196,196,197,198,198,199,200,200,201,202,202,203,203, 204,205,205,206,207,207,208,208,209,210,210,211,211,212,213,213,214, 214,215,216,216,217,217,218,219,219,220,220,221,221,222,223,223,224, 224,225,225,226,227,227,228,228,229,229,230,230,231,232,232,233,233, 234,234,235,235,236,236,237,237,238,239,239,240,240,241,241,242,242, 243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251, 251,252,252,253,254,254,255,255} }; int usegamma; // // V_InitColorTranslation // // Loads the color translation tables from predefined lumps at game start // No return value // // Used for translating text colors from the red palette range // to other colors. The first nine entries can be used to dynamically // switch the output of text color thru the HUlib_drawText routine // by embedding ESCn in the text to obtain color n. Symbols for n are // provided in v_video.h. // typedef struct { const char *name; char **map1, **map2; } crdef_t; // killough 5/2/98: table-driven approach static const crdef_t crdefs[] = { {"CRBRICK", &cr_brick, &colrngs[CR_BRICK ]}, {"CRTAN", &cr_tan, &colrngs[CR_TAN ]}, {"CRGRAY", &cr_gray, &colrngs[CR_GRAY ]}, {"CRGREEN", &cr_green, &colrngs[CR_GREEN ]}, {"CRBROWN", &cr_brown, &colrngs[CR_BROWN ]}, {"CRGOLD", &cr_gold, &colrngs[CR_GOLD ]}, {"CRRED", &cr_red, &colrngs[CR_RED ]}, {"CRBLUE", &cr_blue, &colrngs[CR_BLUE ]}, {"CRORANGE", &cr_orange, &colrngs[CR_ORANGE]}, {"CRYELLOW", &cr_yellow, &colrngs[CR_YELLOW]}, {"CRBLUE2", &cr_blue_status, &colrngs[CR_BLUE2]}, {NULL} }; // killough 5/2/98: tiny engine driven by table above void V_InitColorTranslation(void) { register const crdef_t *p; for (p=crdefs; p->name; p++) *p->map1 = *p->map2 = W_CacheLumpName(p->name, PU_STATIC); } // // V_CopyRect // // Copies a source rectangle in a screen buffer to a destination // rectangle in another screen buffer. Source origin in srcx,srcy, // destination origin in destx,desty, common size in width and height. // Source buffer specfified by srcscrn, destination buffer by destscrn. // // Marks the destination rectangle on the screen dirty. // // No return value. #ifndef GL_DOOM // proff 11/99: not needed in OpenGL void V_CopyRect(int srcx, int srcy, int srcscrn, int width, int height, int destx, int desty, int destscrn ) { byte *src; byte *dest; #ifdef RANGECHECK if (srcx<0 ||srcx+width >SCREENWIDTH || srcy<0 || srcy+height>SCREENHEIGHT ||destx<0||destx+width >SCREENWIDTH || desty<0 || desty+height>SCREENHEIGHT || (unsigned)srcscrn>4 || (unsigned)destscrn>4) I_Error ("Bad V_CopyRect"); #endif src = screens[srcscrn]+SCREENWIDTH*srcy+srcx; dest = screens[destscrn]+SCREENWIDTH*desty+destx; for ( ; height>0 ; height--) { memcpy (dest, src, width); src += SCREENWIDTH; dest += SCREENWIDTH; } } void V_CopyRectStretched(int srcx, int srcy, int srcscrn, int width, int height, int destx, int desty, int destscrn ) { byte *src; byte *dest; srcx=srcx*SCREENWIDTH/320; srcy=srcy*SCREENHEIGHT/200; width=width*SCREENWIDTH/320; height=height*SCREENHEIGHT/200; destx=destx*SCREENWIDTH/320; desty=desty*SCREENHEIGHT/200; #ifdef RANGECHECK if (srcx<0 ||srcx+width >SCREENWIDTH || srcy<0 || srcy+height>SCREENHEIGHT ||destx<0||destx+width >SCREENWIDTH || desty<0 || desty+height>SCREENHEIGHT || (unsigned)srcscrn>4 || (unsigned)destscrn>4) I_Error ("Bad V_CopyRect"); #endif src = screens[srcscrn]+SCREENWIDTH*srcy+srcx; dest = screens[destscrn]+SCREENWIDTH*desty+destx; for ( ; height>0 ; height--) { memcpy (dest, src, width); src += SCREENWIDTH; dest += SCREENWIDTH; } } // // V_DrawPatch // // Masks a column based masked pic to the screen. // // The patch is drawn at x,y in the buffer selected by scrn // No return value // // V_DrawPatchFlipped // // Masks a column based masked pic to the screen. // Flips horizontally, e.g. to mirror face. // // Patch is drawn at x,y in screenbuffer scrn. // No return value // // killough 11/98: Consolidated V_DrawPatch and V_DrawPatchFlipped into one // void V_DrawPatchGeneral(int x, int y, int scrn, patch_t *patch, H_boolean flipped) { int w = SHORT(patch->width), col = w-1, colstop = -1, colstep = -1; if (!flipped) col = 0, colstop = w, colstep = 1; y -= SHORT(patch->topoffset); x -= SHORT(patch->leftoffset); #ifdef RANGECHECK if (x<0 ||x+SHORT(patch->width) >SCREENWIDTH || y<0 || y+SHORT(patch->height)>SCREENHEIGHT || (unsigned)scrn>4) return; // killough 1/19/98: commented out printfs #endif { byte *desttop = screens[scrn]+y*SCREENWIDTH+x; for ( ; col != colstop ; col += colstep, desttop++) { const column_t *column = (const column_t *)((byte *)patch + LONG(patch->columnofs[col])); // step through the posts in a column while (column->topdelta != 0xff ) { // killough 2/21/98: Unrolled and performance-tuned register const byte *source = (byte *)column + 3; register byte *dest = desttop + column->topdelta*SCREENWIDTH; register int count = column->length; if ((count-=4)>=0) do { register byte s0,s1; s0 = source[0]; s1 = source[1]; dest[0] = s0; dest[SCREENWIDTH] = s1; dest += SCREENWIDTH*2; s0 = source[2]; s1 = source[3]; source += 4; dest[0] = s0; dest[SCREENWIDTH] = s1; dest += SCREENWIDTH*2; } while ((count-=4)>=0); if (count+=4) do { *dest = *source++; dest += SCREENWIDTH; } while (--count); column = (column_t *)(source+1); //killough 2/21/98 even faster } } } } // // V_DrawPatchTranslated // // Masks a column based masked pic to the screen. // Also translates colors from one palette range to another using // the color translation lumps loaded in V_InitColorTranslation // // The patch is drawn at x,y in the screen buffer scrn. Color translation // is performed thru the table pointed to by outr. cm is not used. // // jff 1/15/98 new routine to translate patch colors // static void V_DrawPatchTranslated(int x, int y, int scrn, patch_t *patch, int cm) { int col, w; unsigned char *outr=colrngs[cm]; //jff 2/18/98 if translation not needed, just use the old routine if (cm==CR_RED) { V_DrawPatchGeneral(x,y,scrn,patch,false); return; // killough 2/21/98: add return } y -= SHORT(patch->topoffset); x -= SHORT(patch->leftoffset); #ifdef RANGECHECK if (x<0 ||x+SHORT(patch->width) >SCREENWIDTH || y<0 || y+SHORT(patch->height)>SCREENHEIGHT || (unsigned)scrn>4) return; // killough 1/19/98: commented out printfs #endif col = 0; w = SHORT(patch->width); { byte *desttop = screens[scrn]+y*SCREENWIDTH+x; for ( ; colcolumnofs[col])); // step through the posts in a column while (column->topdelta != 0xff ) { // killough 2/21/98: Unrolled and performance-tuned register const byte *source = (byte *)column + 3; register byte *dest = desttop + column->topdelta*SCREENWIDTH; register int count = column->length; if ((count-=4)>=0) do { register byte s0,s1; s0 = source[0]; s1 = source[1]; //jff 2/18/98 apply red->range color translation //2/18/98 don't brightness map for speed s0 = outr[s0]; s1 = outr[s1]; dest[0] = s0; dest[SCREENWIDTH] = s1; dest += SCREENWIDTH*2; s0 = source[2]; s1 = source[3]; s0 = outr[s0]; s1 = outr[s1]; source += 4; dest[0] = s0; dest[SCREENWIDTH] = s1; dest += SCREENWIDTH*2; } while ((count-=4)>=0); if (count+=4) do { *dest = outr[*source++]; dest += SCREENWIDTH; } while (--count); column = (column_t *)(source+1); } } } } // // V_DrawBlock // // Draw a linear block of pixels into the view buffer. // // The bytes at src are copied in linear order to the screen rectangle // at x,y in screenbuffer scrn, with size width by height. // // The destination rectangle is marked dirty. // // No return value. // void V_DrawBlock(int x, int y, int scrn, int width, int height, byte *src) { #ifdef RANGECHECK if (x<0 ||x+width >SCREENWIDTH || y<0 || y+height>SCREENHEIGHT || (unsigned)scrn>4 ) I_Error ("Bad V_DrawBlock"); #endif { byte *dest = screens[scrn] + y*SCREENWIDTH+x; while (height--) { memcpy (dest, src, width); src += width; dest += SCREENWIDTH; } } } // // V_GetBlock // // Gets a linear block of pixels from the view buffer. // // The pixels in the rectangle at x,y in screenbuffer scrn with size // width by height are linearly packed into the buffer dest. // No return value // void V_GetBlock(int x, int y, int scrn, int width, int height, byte *dest) { byte *src; #ifdef RANGECHECK if (x<0 ||x+width >SCREENWIDTH || y<0 || y+height>SCREENHEIGHT || (unsigned)scrn>4 ) I_Error ("Bad V_DrawBlock"); #endif src = screens[scrn] + y*SCREENWIDTH+x; while (height--) { memcpy (dest, src, width); src += SCREENWIDTH; dest += width; } } #endif // GL_DOOM // // V_FillBlock // // Fills a linear block of pixels with col. // // The destination rectangle is marked dirty. // // No return value. // #ifndef GL_DOOM // proff 11/99: not needed in OpenGL void V_FillBlock(int x, int y, int scrn, int width, int height, int col) { #ifdef RANGECHECK if (x<0 ||x+width >SCREENWIDTH || y<0 || y+height>SCREENHEIGHT || (unsigned)scrn>4 ) I_Error ("Bad V_DrawBlock"); #endif { byte *dest = screens[scrn] + y*SCREENWIDTH+x; while (height--) { memset (dest, col, width); dest += SCREENWIDTH; } } } #endif // GL_DOOM // // V_Init // // Allocates the 4 full screen buffers in low DOS memory // No return // void V_Init (void) { // proff 11/99: not needed in OpenGL #ifndef GL_DOOM int i; static byte *base=NULL; // stick these in low dos memory on PCs if (base) free(base); base = calloc(SCREENWIDTH*SCREENHEIGHT*4,1); screens[0]=base; for (i=1 ; i<4 ; i++) screens[i] = base + i*SCREENWIDTH*SCREENHEIGHT; #endif } // proff/nicolas 09/20/98: Added for stretching patches in high-res #ifndef GL_DOOM // proff 11/99: not needed in OpenGL void V_DrawPatchStretchedGeneral( int x, int y, int scrn, patch_t* patch, H_boolean flipped) { column_t* column; byte* desttop; register byte* source; register byte* dest; int col, w, count; int stretchx, stretchy; register int srccol; int DX; int DXI; int DY; register int DYI; int DY2; int DYI2; if ((SCREENWIDTH==320) && (SCREENHEIGHT==200)) { V_DrawPatchGeneral(x,y,scrn,patch,false); return; } DX = (SCREENWIDTH<<16) / 320; DXI = (320<<16) / SCREENWIDTH; DY = (SCREENHEIGHT<<16) / 200; DYI = (200<<16) / SCREENHEIGHT; DY2 = DY / 2; DYI2= DYI * 2; x -= SHORT( patch->leftoffset ); y -= SHORT( patch->topoffset ); #ifdef RANGECHECK if ( x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 || y + SHORT(patch->height) > SCREENHEIGHT || ( unsigned ) scrn > 4 ) return; #endif stretchx = ( x * DX ) >> 16; stretchy = ( y * DY ) >> 16; desttop = screens[scrn] + stretchy * SCREENWIDTH + stretchx; w = ( patch->width ) << 16; if (flipped) for ( col = 0; col < w; x++, col+=DXI, desttop++ ) { column = ( column_t* ) (( byte* ) patch + LONG( patch->columnofs[(w-1-col)>>16] )); while ( column->topdelta != 0xff ) { source = ( byte* ) column + 3; dest = desttop + (( column->topdelta * DY ) >> 16 ) * SCREENWIDTH; count = ( column->length * DY ) >> 16; srccol = 0; while (count--) { *dest = source[srccol>>16]; dest += SCREENWIDTH; srccol+= DYI; } column = ( column_t* ) (( byte* ) column + ( column->length ) + 4 ); } } else for ( col = 0; col < w; x++, col+=DXI, desttop++ ) { column = ( column_t* ) (( byte* ) patch + LONG( patch->columnofs[col>>16] )); while ( column->topdelta != 0xff ) { source = ( byte* ) column + 3; dest = desttop + (( column->topdelta * DY ) >> 16 ) * SCREENWIDTH; count = ( column->length * DY ) >> 16; srccol = 0; while (count--) { *dest = source[srccol>>16]; dest += SCREENWIDTH; srccol+= DYI; } column = ( column_t* ) (( byte* ) column + ( column->length ) + 4 ); } } } void V_DrawPatchTransStretched( int x, int y, int scrn, patch_t* patch, int cm ) { column_t* column; byte* desttop; register byte* source; register byte* dest; unsigned char *outr=colrngs[cm]; int col, w, count; int stretchx, stretchy; register int srccol; int DX; int DXI; int DY; register int DYI; int DY2; int DYI2; if ((SCREENWIDTH==320) && (SCREENHEIGHT==200)) { V_DrawPatchTranslated(x,y,scrn,patch,cm); return; } DX = (SCREENWIDTH<<16) / 320; DXI = (320<<16) / SCREENWIDTH; DY = (SCREENHEIGHT<<16) / 200; DYI = (200<<16) / SCREENHEIGHT; DY2 = DY / 2; DYI2= DYI * 2; x -= SHORT( patch->leftoffset ); y -= SHORT( patch->topoffset ); #ifdef RANGECHECK if ( x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 || y + SHORT(patch->height) > SCREENHEIGHT || ( unsigned ) scrn > 4 ) return; #endif stretchx = ( x * DX ) >> 16; stretchy = ( y * DY ) >> 16; desttop = screens[scrn] + stretchy * SCREENWIDTH + stretchx; w = ( patch->width ) << 16; for ( col = 0; col < w; x++, col+=DXI, desttop++ ) { column = ( column_t* ) (( byte* ) patch + LONG( patch->columnofs[col>>16] )); while ( column->topdelta != 0xff ) { source = ( byte* ) column + 3; dest = desttop + (( column->topdelta * DY ) >> 16 ) * SCREENWIDTH; count = ( column->length * DY ) >> 16; srccol = 0; while (count--) { *dest = outr[source[srccol>>16]]; dest += SCREENWIDTH; srccol+= DYI; } column = ( column_t* ) (( byte* ) column + ( column->length ) + 4 ); } } } #endif // GL_DOOM // proff/nicolas 09/20/98: End of additions //---------------------------------------------------------------------------- // // $Log: V_video.c,v $ // Revision 1.2 2000/04/26 20:00:03 proff_fs // now using SDL for video and sound output. // sound output is currently mono only. // Get SDL from: // http://www.devolution.com/~slouken/SDL/ // // Revision 1.1.1.1 2000/04/09 18:18:49 proff_fs // Initial login // // Revision 1.10 1998/05/06 11:12:48 jim // Formattted v_video.* // // Revision 1.9 1998/05/03 22:53:16 killough // beautification, simplify translation lookup // // Revision 1.8 1998/04/24 08:09:39 jim // Make text translate tables lumps // // Revision 1.7 1998/03/02 11:41:58 killough // Add cr_blue_status for blue statusbar numbers // // Revision 1.6 1998/02/24 01:40:12 jim // Tuned HUD font // // Revision 1.5 1998/02/23 04:58:17 killough // Fix performance problems // // Revision 1.4 1998/02/19 16:55:00 jim // Optimized HUD and made more configurable // // Revision 1.3 1998/02/17 23:00:36 jim // Added color translation machinery and data // // Revision 1.2 1998/01/26 19:25:08 phares // First rev with no ^Ms // // Revision 1.1.1.1 1998/01/19 14:03:05 rand // Lee's Jan 19 sources // //----------------------------------------------------------------------------