diff options
Diffstat (limited to 'src/hexen/v_video.c')
| -rw-r--r-- | src/hexen/v_video.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/src/hexen/v_video.c b/src/hexen/v_video.c new file mode 100644 index 00000000..8d88c944 --- /dev/null +++ b/src/hexen/v_video.c @@ -0,0 +1,356 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 1993-2008 Raven 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., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +//----------------------------------------------------------------------------- + + +#include "h2def.h" + +#define SC_INDEX 0x3c4 + +byte *screen; +int dirtybox[4]; +int usegamma; + +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} +}; + +//--------------------------------------------------------------------------- +// +// PROC V_DrawPatch +// +// Draws a column based masked pic to the screen. +// +//--------------------------------------------------------------------------- + +void V_DrawPatch(int x, int y, patch_t * patch) +{ + int count; + int col; + column_t *column; + byte *desttop; + byte *dest; + byte *source; + int w; + + y -= SHORT(patch->topoffset); + x -= SHORT(patch->leftoffset); + if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 + || y + SHORT(patch->height) > SCREENHEIGHT) + { + I_Error("Bad V_DrawPatch"); + } + col = 0; + desttop = screen + y * SCREENWIDTH + x; + w = SHORT(patch->width); + for (; col < w; x++, col++, desttop++) + { + column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col])); + // Step through the posts in a column + while (column->topdelta != 0xff) + { + source = (byte *) column + 3; + dest = desttop + column->topdelta * SCREENWIDTH; + count = column->length; + while (count--) + { + *dest = *source++; + dest += SCREENWIDTH; + } + column = (column_t *) ((byte *) column + column->length + 4); + } + } +} + +/* +================== += += V_DrawFuzzPatch += += Masks a column based translucent masked pic to the screen. += +================== +*/ +extern byte *tinttable; + +void V_DrawFuzzPatch(int x, int y, patch_t * patch) +{ + int count, col; + column_t *column; + byte *desttop, *dest, *source; + int w; + + y -= SHORT(patch->topoffset); + x -= SHORT(patch->leftoffset); + + if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 + || y + SHORT(patch->height) > SCREENHEIGHT) + I_Error("Bad V_DrawPatch"); + + col = 0; + desttop = screen + y * SCREENWIDTH + x; + + w = SHORT(patch->width); + for (; col < w; x++, col++, desttop++) + { + column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col])); + +// step through the posts in a column + + while (column->topdelta != 0xff) + { + source = (byte *) column + 3; + dest = desttop + column->topdelta * SCREENWIDTH; + count = column->length; + + while (count--) + { + *dest = tinttable[*dest + ((*source++) << 8)]; + dest += SCREENWIDTH; + } + column = (column_t *) ((byte *) column + column->length + 4); + } + } +} + +/* +================== += += V_DrawAltFuzzPatch += += Masks a column based translucent masked pic to the screen. += +================== +*/ +extern byte *tinttable; + +void V_DrawAltFuzzPatch(int x, int y, patch_t * patch) +{ + int count, col; + column_t *column; + byte *desttop, *dest, *source; + int w; + + y -= SHORT(patch->topoffset); + x -= SHORT(patch->leftoffset); + + if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 + || y + SHORT(patch->height) > SCREENHEIGHT) + { + I_Error("Bad V_DrawPatch"); + } + + col = 0; + desttop = screen + y * SCREENWIDTH + x; + + w = SHORT(patch->width); + for (; col < w; x++, col++, desttop++) + { + column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col])); + +// step through the posts in a column + + while (column->topdelta != 0xff) + { + source = (byte *) column + 3; + dest = desttop + column->topdelta * SCREENWIDTH; + count = column->length; + + while (count--) + { + *dest = tinttable[((*dest) << 8) + *source++]; + dest += SCREENWIDTH; + } + column = (column_t *) ((byte *) column + column->length + 4); + } + } +} + +/* +================== += += V_DrawShadowedPatch += += Masks a column based masked pic to the screen. += +================== +*/ + +void V_DrawShadowedPatch(int x, int y, patch_t * patch) +{ + int count, col; + column_t *column; + byte *desttop, *dest, *source; + byte *desttop2, *dest2; + int w; + + y -= SHORT(patch->topoffset); + x -= SHORT(patch->leftoffset); + + if (x < 0 || x + SHORT(patch->width) > SCREENWIDTH || y < 0 + || y + SHORT(patch->height) > SCREENHEIGHT) + I_Error("Bad V_DrawPatch"); + + col = 0; + desttop = screen + y * SCREENWIDTH + x; + desttop2 = screen + (y + 2) * SCREENWIDTH + x + 2; + + w = SHORT(patch->width); + for (; col < w; x++, col++, desttop++, desttop2++) + { + column = (column_t *) ((byte *) patch + LONG(patch->columnofs[col])); + +// step through the posts in a column + + while (column->topdelta != 0xff) + { + source = (byte *) column + 3; + dest = desttop + column->topdelta * SCREENWIDTH; + dest2 = desttop2 + column->topdelta * SCREENWIDTH; + count = column->length; + + while (count--) + { + *dest2 = tinttable[((*dest2) << 8)]; + dest2 += SCREENWIDTH; + *dest = *source++; + dest += SCREENWIDTH; + + } + column = (column_t *) ((byte *) column + column->length + 4); + } + } +} + +//--------------------------------------------------------------------------- +// +// PROC V_DrawRawScreen +// +//--------------------------------------------------------------------------- + +void V_DrawRawScreen(byte * raw) +{ + memcpy(screen, raw, SCREENWIDTH * SCREENHEIGHT); +} + +//--------------------------------------------------------------------------- +// +// PROC V_Init +// +//--------------------------------------------------------------------------- + +void V_Init(void) +{ + // I_AllocLow will put screen in low dos memory on PCs. + screen = I_AllocLow(SCREENWIDTH * SCREENHEIGHT); +} |