337 lines
13 KiB
C
337 lines
13 KiB
C
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#include "quakedef.h"
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cvar_t r_colormap_palette = {0, "r_colormap_palette", "gfx/colormap_palette.lmp", "name of a palette lmp file to override the shirt/pants colors of player models. It consists of 16 shirt colors, 16 scoreboard shirt colors, 16 pants colors and 16 scoreboard pants colors"};
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unsigned char palette_rgb[256][3];
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unsigned char palette_rgb_pantscolormap[16][3];
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unsigned char palette_rgb_shirtcolormap[16][3];
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unsigned char palette_rgb_pantsscoreboard[16][3];
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unsigned char palette_rgb_shirtscoreboard[16][3];
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unsigned int palette_bgra_complete[256];
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unsigned int palette_bgra_font[256];
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unsigned int palette_bgra_alpha[256];
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unsigned int palette_bgra_nocolormap[256];
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unsigned int palette_bgra_nocolormapnofullbrights[256];
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unsigned int palette_bgra_nofullbrights[256];
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unsigned int palette_bgra_onlyfullbrights[256];
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unsigned int palette_bgra_pantsaswhite[256];
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unsigned int palette_bgra_shirtaswhite[256];
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unsigned int palette_bgra_transparent[256];
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unsigned int palette_bgra_embeddedpic[256];
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unsigned char palette_featureflags[256];
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// John Carmack said the quake palette.lmp can be considered public domain because it is not an important asset to id, so I include it here as a fallback if no external palette file is found.
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unsigned char host_quakepal[768] =
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{
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// marked: colormap colors: cb = (colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
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// 0x0*
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0,0,0, 15,15,15, 31,31,31, 47,47,47, 63,63,63, 75,75,75, 91,91,91, 107,107,107,
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123,123,123, 139,139,139, 155,155,155, 171,171,171, 187,187,187, 203,203,203, 219,219,219, 235,235,235,
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// 0x1* 0 ^
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15,11,7, 23,15,11, 31,23,11, 39,27,15, 47,35,19, 55,43,23, 63,47,23, 75,55,27,
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83,59,27, 91,67,31, 99,75,31, 107,83,31, 115,87,31, 123,95,35, 131,103,35, 143,111,35,
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// 0x2* 1 ^
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11,11,15, 19,19,27, 27,27,39, 39,39,51, 47,47,63, 55,55,75, 63,63,87, 71,71,103,
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79,79,115, 91,91,127, 99,99,139, 107,107,151, 115,115,163, 123,123,175, 131,131,187, 139,139,203,
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// 0x3* 2 ^
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0,0,0, 7,7,0, 11,11,0, 19,19,0, 27,27,0, 35,35,0, 43,43,7, 47,47,7,
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55,55,7, 63,63,7, 71,71,7, 75,75,11, 83,83,11, 91,91,11, 99,99,11, 107,107,15,
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// 0x4* 3 ^
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7,0,0, 15,0,0, 23,0,0, 31,0,0, 39,0,0, 47,0,0, 55,0,0, 63,0,0,
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71,0,0, 79,0,0, 87,0,0, 95,0,0, 103,0,0, 111,0,0, 119,0,0, 127,0,0,
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// 0x5* 4 ^
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19,19,0, 27,27,0, 35,35,0, 47,43,0, 55,47,0, 67,55,0, 75,59,7, 87,67,7,
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95,71,7, 107,75,11, 119,83,15, 131,87,19, 139,91,19, 151,95,27, 163,99,31, 175,103,35,
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// 0x6* 5 ^
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35,19,7, 47,23,11, 59,31,15, 75,35,19, 87,43,23, 99,47,31, 115,55,35, 127,59,43,
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143,67,51, 159,79,51, 175,99,47, 191,119,47, 207,143,43, 223,171,39, 239,203,31, 255,243,27,
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// 0x7* 6 ^
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11,7,0, 27,19,0, 43,35,15, 55,43,19, 71,51,27, 83,55,35, 99,63,43, 111,71,51,
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127,83,63, 139,95,71, 155,107,83, 167,123,95, 183,135,107, 195,147,123, 211,163,139, 227,179,151,
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// 0x8* 7 ^ v 8
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171,139,163, 159,127,151, 147,115,135, 139,103,123, 127,91,111, 119,83,99, 107,75,87, 95,63,75,
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87,55,67, 75,47,55, 67,39,47, 55,31,35, 43,23,27, 35,19,19, 23,11,11, 15,7,7,
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// 0x9* 9 v
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187,115,159, 175,107,143, 163,95,131, 151,87,119, 139,79,107, 127,75,95, 115,67,83, 107,59,75,
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95,51,63, 83,43,55, 71,35,43, 59,31,35, 47,23,27, 35,19,19, 23,11,11, 15,7,7,
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// 0xA* 10 v
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219,195,187, 203,179,167, 191,163,155, 175,151,139, 163,135,123, 151,123,111, 135,111,95, 123,99,83,
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107,87,71, 95,75,59, 83,63,51, 67,51,39, 55,43,31, 39,31,23, 27,19,15, 15,11,7,
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// 0xB* 11 v
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111,131,123, 103,123,111, 95,115,103, 87,107,95, 79,99,87, 71,91,79, 63,83,71, 55,75,63,
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47,67,55, 43,59,47, 35,51,39, 31,43,31, 23,35,23, 15,27,19, 11,19,11, 7,11,7,
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// 0xC* 12 v
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255,243,27, 239,223,23, 219,203,19, 203,183,15, 187,167,15, 171,151,11, 155,131,7, 139,115,7,
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123,99,7, 107,83,0, 91,71,0, 75,55,0, 59,43,0, 43,31,0, 27,15,0, 11,7,0,
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// 0xD* 13 v
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0,0,255, 11,11,239, 19,19,223, 27,27,207, 35,35,191, 43,43,175, 47,47,159, 47,47,143,
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47,47,127, 47,47,111, 47,47,95, 43,43,79, 35,35,63, 27,27,47, 19,19,31, 11,11,15,
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// 0xE*
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43,0,0, 59,0,0, 75,7,0, 95,7,0, 111,15,0, 127,23,7, 147,31,7, 163,39,11,
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183,51,15, 195,75,27, 207,99,43, 219,127,59, 227,151,79, 231,171,95, 239,191,119, 247,211,139,
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// 0xF* 14 ^
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167,123,59, 183,155,55, 199,195,55, 231,227,87, 127,191,255, 171,231,255, 215,255,255, 103,0,0,
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139,0,0, 179,0,0, 215,0,0, 255,0,0, 255,243,147, 255,247,199, 255,255,255, 159,91,83
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}; // 15 ^
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static void Palette_SetupSpecialPalettes(void)
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{
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int i;
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int fullbright_start, fullbright_end;
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int pants_start, pants_end;
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int shirt_start, shirt_end;
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int reversed_start, reversed_end;
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int transparentcolor;
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unsigned char *colormap;
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fs_offset_t filesize;
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union
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{
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int i;
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unsigned char b[4];
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}
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u;
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colormap = FS_LoadFile("gfx/colormap.lmp", tempmempool, true, &filesize);
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if (colormap && filesize >= 16385)
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fullbright_start = 256 - colormap[16384];
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else
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fullbright_start = 256;
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if (colormap)
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Mem_Free(colormap);
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fullbright_end = 256;
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pants_start = 96;
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pants_end = 112;
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shirt_start = 16;
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shirt_end = 32;
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reversed_start = 128;
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reversed_end = 224;
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transparentcolor = 255;
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for (i = 0;i < 256;i++)
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palette_featureflags[i] = PALETTEFEATURE_STANDARD;
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for (i = reversed_start;i < reversed_end;i++)
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palette_featureflags[i] = PALETTEFEATURE_REVERSED;
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for (i = pants_start;i < pants_end;i++)
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palette_featureflags[i] = PALETTEFEATURE_PANTS;
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for (i = shirt_start;i < shirt_end;i++)
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palette_featureflags[i] = PALETTEFEATURE_SHIRT;
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for (i = fullbright_start;i < fullbright_end;i++)
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palette_featureflags[i] = PALETTEFEATURE_GLOW;
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palette_featureflags[0] = PALETTEFEATURE_ZERO;
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palette_featureflags[transparentcolor] = PALETTEFEATURE_TRANSPARENT;
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for (i = 0;i < 256;i++)
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palette_bgra_transparent[i] = palette_bgra_complete[i];
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palette_bgra_transparent[transparentcolor] = 0;
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for (i = 0;i < fullbright_start;i++)
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palette_bgra_nofullbrights[i] = palette_bgra_complete[i];
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for (i = fullbright_start;i < fullbright_end;i++)
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palette_bgra_nofullbrights[i] = palette_bgra_complete[0];
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for (i = 0;i < 256;i++)
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palette_bgra_onlyfullbrights[i] = 0;
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for (i = fullbright_start;i < fullbright_end;i++)
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palette_bgra_onlyfullbrights[i] = palette_bgra_complete[i];
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for (i = 0;i < 256;i++)
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palette_bgra_nocolormapnofullbrights[i] = palette_bgra_complete[i];
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for (i = pants_start;i < pants_end;i++)
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palette_bgra_nocolormapnofullbrights[i] = 0;
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for (i = shirt_start;i < shirt_end;i++)
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palette_bgra_nocolormapnofullbrights[i] = 0;
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for (i = fullbright_start;i < fullbright_end;i++)
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palette_bgra_nocolormapnofullbrights[i] = 0;
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for (i = 0;i < 256;i++)
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palette_bgra_nocolormap[i] = palette_bgra_complete[i];
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for (i = pants_start;i < pants_end;i++)
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palette_bgra_nocolormap[i] = 0;
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for (i = shirt_start;i < shirt_end;i++)
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palette_bgra_nocolormap[i] = 0;
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for (i = 0;i < 256;i++)
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palette_bgra_pantsaswhite[i] = 0;
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for (i = pants_start;i < pants_end;i++)
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{
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if (i >= reversed_start && i < reversed_end)
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palette_bgra_pantsaswhite[i] = palette_bgra_complete[15 - (i - pants_start)];
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else
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palette_bgra_pantsaswhite[i] = palette_bgra_complete[i - pants_start];
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}
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for (i = 0;i < 256;i++)
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palette_bgra_shirtaswhite[i] = 0;
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for (i = shirt_start;i < shirt_end;i++)
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{
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if (i >= reversed_start && i < reversed_end)
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palette_bgra_shirtaswhite[i] = palette_bgra_complete[15 - (i - shirt_start)];
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else
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palette_bgra_shirtaswhite[i] = palette_bgra_complete[i - shirt_start];
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}
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for (i = 0;i < 256;i++)
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palette_bgra_alpha[i] = 0xFFFFFFFF;
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u.i = 0xFFFFFFFF;
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u.b[3] = 0;
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palette_bgra_alpha[transparentcolor] = u.i;
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for (i = 0;i < 256;i++)
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palette_bgra_font[i] = palette_bgra_complete[i];
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palette_bgra_font[0] = 0;
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}
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void BuildGammaTable8(float prescale, float gamma, float scale, float base, float contrastboost, unsigned char *out, int rampsize)
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{
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int i, adjusted;
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double invgamma;
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double t, d;
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invgamma = 1.0 / gamma;
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prescale /= (double) (rampsize - 1);
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for (i = 0;i < rampsize;i++)
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{
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t = i * prescale;
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d = ((contrastboost - 1) * t + 1);
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if(d == 0)
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t = 0; // we could just as well assume 1 here, depending on which side of the division by zero we want to be
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else
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t = contrastboost * t / d;
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adjusted = (int) (255.0 * (pow(t, invgamma) * scale + base) + 0.5);
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out[i] = bound(0, adjusted, 255);
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}
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}
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void BuildGammaTable16(float prescale, float gamma, float scale, float base, float contrastboost, unsigned short *out, int rampsize)
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{
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int i, adjusted;
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double invgamma;
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double t;
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invgamma = 1.0 / gamma;
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prescale /= (double) (rampsize - 1);
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for (i = 0;i < rampsize;i++)
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{
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t = i * prescale;
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t = contrastboost * t / ((contrastboost - 1) * t + 1);
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adjusted = (int) (65535.0 * (pow(t, invgamma) * scale + base) + 0.5);
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out[i] = bound(0, adjusted, 65535);
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}
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}
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static void Palette_Shutdown(void)
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{
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}
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static void Palette_NewMap(void)
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{
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}
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static void Palette_Load(void)
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{
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int i;
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unsigned char *out;
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float gamma, scale, base;
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fs_offset_t filesize;
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unsigned char *palfile;
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unsigned char texturegammaramp[256];
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union
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{
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unsigned char b[4];
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unsigned int i;
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}
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bgra;
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gamma = 1;
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scale = 1;
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base = 0;
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// COMMANDLINEOPTION: Client: -texgamma <number> sets the quake palette gamma, allowing you to make quake textures brighter/darker, not recommended
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i = COM_CheckParm("-texgamma");
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if (i)
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gamma = atof(com_argv[i + 1]);
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// COMMANDLINEOPTION: Client: -texcontrast <number> sets the quake palette contrast, allowing you to make quake textures brighter/darker, not recommended
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i = COM_CheckParm("-texcontrast");
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if (i)
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scale = atof(com_argv[i + 1]);
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// COMMANDLINEOPTION: Client: -texbrightness <number> sets the quake palette brightness (brightness of black), allowing you to make quake textures brighter/darker, not recommended
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i = COM_CheckParm("-texbrightness");
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if (i)
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base = atof(com_argv[i + 1]);
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gamma = bound(0.01, gamma, 10.0);
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scale = bound(0.01, scale, 10.0);
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base = bound(0, base, 0.95);
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BuildGammaTable8(1.0f, gamma, scale, base, 1, texturegammaramp, 256);
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palfile = (unsigned char *)FS_LoadFile ("gfx/palette.lmp", tempmempool, false, &filesize);
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if (palfile && filesize >= 768)
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memcpy(palette_rgb, palfile, 768);
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else
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{
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Con_DPrint("Couldn't load gfx/palette.lmp, falling back on internal palette\n");
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memcpy(palette_rgb, host_quakepal, 768);
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}
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if (palfile)
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Mem_Free(palfile);
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out = (unsigned char *) palette_bgra_complete; // palette is accessed as 32bit for speed reasons, but is created as 8bit bytes
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for (i = 0;i < 256;i++)
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{
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out[i*4+2] = texturegammaramp[palette_rgb[i][0]];
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out[i*4+1] = texturegammaramp[palette_rgb[i][1]];
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out[i*4+0] = texturegammaramp[palette_rgb[i][2]];
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out[i*4+3] = 255;
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}
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if(*r_colormap_palette.string)
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palfile = (unsigned char *)FS_LoadFile (r_colormap_palette.string, tempmempool, false, &filesize);
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else
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palfile = NULL;
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if (palfile && filesize >= 48*2)
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{
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memcpy(palette_rgb_shirtcolormap[0], palfile, 48);
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memcpy(palette_rgb_shirtscoreboard[0], palfile + 48, 48);
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}
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else
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{
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for(i = 0;i < 16;i++)
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{
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VectorCopy(palette_rgb[(i << 4) | ((i >= 8 && i <= 13) ? 0x04 : 0x0C)], palette_rgb_shirtcolormap[i]);
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VectorCopy(palette_rgb[(i << 4) | 0x08], palette_rgb_shirtscoreboard[i]);
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}
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}
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if (palfile && filesize >= 48*4)
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{
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memcpy(palette_rgb_pantscolormap[0], palfile + 48*2, 48);
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memcpy(palette_rgb_pantsscoreboard[0], palfile + 48*3, 48);
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}
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else
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{
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memcpy(palette_rgb_pantscolormap, palette_rgb_shirtcolormap, sizeof(palette_rgb_pantscolormap));
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memcpy(palette_rgb_pantsscoreboard, palette_rgb_shirtscoreboard, sizeof(palette_rgb_pantsscoreboard));
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}
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if(palfile)
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Mem_Free(palfile);
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memset(palette_bgra_embeddedpic, 0, sizeof(palette_bgra_embeddedpic));
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for (i = '1';i <= '7';i++)
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{
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Vector4Set(bgra.b, 255, 255, 255, (i - '0') * 255 / 7);
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palette_bgra_embeddedpic[i] = bgra.i;
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}
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Palette_SetupSpecialPalettes();
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}
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void Palette_Init(void)
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{
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R_RegisterModule("Palette", Palette_Load, Palette_Shutdown, Palette_NewMap, NULL, NULL);
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Cvar_RegisterVariable(&r_colormap_palette);
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Palette_Load();
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}
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