#include "quakedef.h"
unsigned int palette_complete[256];
+unsigned int palette_font[256];
+unsigned int palette_alpha[256];
+unsigned int palette_nocolormap[256];
+unsigned int palette_nocolormapnofullbrights[256];
unsigned int palette_nofullbrights[256];
unsigned int palette_onlyfullbrights[256];
-unsigned int palette_nocolormapnofullbrights[256];
-unsigned int palette_nocolormap[256];
unsigned int palette_pantsaswhite[256];
unsigned int palette_shirtaswhite[256];
-unsigned int palette_alpha[256];
-unsigned int palette_font[256];
+unsigned int palette_transparent[256];
// 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.
unsigned char host_quakepal[768] =
int pants_start, pants_end;
int shirt_start, shirt_end;
int reversed_start, reversed_end;
+ int transparentcolor;
unsigned char *colormap;
fs_offset_t filesize;
- colormap = FS_LoadFile("gfx/colormap.lmp", tempmempool, true, NULL);
+ colormap = FS_LoadFile("gfx/colormap.lmp", tempmempool, true, &filesize);
if (colormap && filesize >= 16385)
fullbright_start = 256 - colormap[16384];
else
shirt_end = 32;
reversed_start = 128;
reversed_end = 224;
+ transparentcolor = 255;
+
+ for (i = 0;i < 256;i++)
+ palette_transparent[i] = palette_complete[i];
+ palette_transparent[transparentcolor] = 0;
for (i = 0;i < fullbright_start;i++)
palette_nofullbrights[i] = palette_complete[i];
- for (i = fullbright_start;i < 255;i++)
+ for (i = fullbright_start;i < fullbright_end;i++)
palette_nofullbrights[i] = palette_complete[0];
- palette_nofullbrights[255] = 0;
for (i = 0;i < 256;i++)
palette_onlyfullbrights[i] = palette_complete[0];
for (i = fullbright_start;i < fullbright_end;i++)
palette_onlyfullbrights[i] = palette_complete[i];
- palette_onlyfullbrights[255] = 0;
for (i = 0;i < 256;i++)
palette_nocolormapnofullbrights[i] = palette_complete[i];
palette_nocolormapnofullbrights[i] = palette_complete[0];
for (i = fullbright_start;i < fullbright_end;i++)
palette_nocolormapnofullbrights[i] = palette_complete[0];
- palette_nocolormapnofullbrights[255] = 0;
for (i = 0;i < 256;i++)
palette_nocolormap[i] = palette_complete[i];
palette_nocolormap[i] = palette_complete[0];
for (i = shirt_start;i < shirt_end;i++)
palette_nocolormap[i] = palette_complete[0];
- palette_nocolormap[255] = 0;
for (i = 0;i < 256;i++)
palette_pantsaswhite[i] = palette_complete[0];
palette_shirtaswhite[i] = palette_complete[i - shirt_start];
}
- for (i = 0;i < 255;i++)
+ for (i = 0;i < 256;i++)
palette_alpha[i] = 0xFFFFFFFF;
- palette_alpha[255] = 0;
+ palette_alpha[transparentcolor] = 0;
- palette_font[0] = 0;
- for (i = 1;i < 255;i++)
+ for (i = 0;i < 256;i++)
palette_font[i] = palette_complete[i];
- palette_font[255] = 0;
+ palette_font[0] = 0;
}
-void BuildGammaTable8(float prescale, float gamma, float scale, float base, unsigned char *out)
+void BuildGammaTable8(float prescale, float gamma, float scale, float base, unsigned char *out, int rampsize)
{
int i, adjusted;
- double invgamma, d;
+ double invgamma;
- gamma = bound(0.1, gamma, 5.0);
- if (gamma == 1) // LordHavoc: dodge the math
+ invgamma = 1.0 / gamma;
+ prescale /= (double) (rampsize - 1);
+ for (i = 0;i < rampsize;i++)
{
- for (i = 0;i < 256;i++)
- {
- adjusted = (int) (i * prescale * scale + base * 255.0);
- out[i] = bound(0, adjusted, 255);
- }
- }
- else
- {
- invgamma = 1.0 / gamma;
- prescale /= 255.0f;
- for (i = 0;i < 256;i++)
- {
- d = pow((double) i * prescale, invgamma) * scale + base;
- adjusted = (int) (255.0 * d);
- out[i] = bound(0, adjusted, 255);
- }
+ adjusted = (int) (255.0 * (pow((double) i * prescale, invgamma) * scale + base) + 0.5);
+ out[i] = bound(0, adjusted, 255);
}
}
-void BuildGammaTable16(float prescale, float gamma, float scale, float base, unsigned short *out)
+void BuildGammaTable16(float prescale, float gamma, float scale, float base, unsigned short *out, int rampsize)
{
int i, adjusted;
- double invgamma, d;
+ double invgamma;
- gamma = bound(0.1, gamma, 5.0);
- if (gamma == 1) // LordHavoc: dodge the math
+ invgamma = 1.0 / gamma;
+ prescale /= (double) (rampsize - 1);
+ for (i = 0;i < rampsize;i++)
{
- for (i = 0;i < 256;i++)
- {
- adjusted = (int) (i * 256.0 * prescale * scale + base * 65535.0);
- out[i] = bound(0, adjusted, 65535);
- }
- }
- else
- {
- invgamma = 1.0 / gamma;
- prescale /= 255.0f;
- for (i = 0;i < 256;i++)
- {
- d = pow((double) i * prescale, invgamma) * scale + base;
- adjusted = (int) (65535.0 * d);
- out[i] = bound(0, adjusted, 65535);
- }
+ adjusted = (int) (65535.0 * (pow((double) i * prescale, invgamma) * scale + base) + 0.5);
+ out[i] = bound(0, adjusted, 65535);
}
}
scale = bound(0.01, scale, 10.0);
base = bound(0, base, 0.95);
- BuildGammaTable8(1.0f, gamma, scale, base, texturegammaramp);
+ BuildGammaTable8(1.0f, gamma, scale, base, texturegammaramp, 256);
palfile = (unsigned char *)FS_LoadFile ("gfx/palette.lmp", tempmempool, false, &filesize);
if (palfile && filesize >= 768)
in = host_quakepal;
}
out = (unsigned char *) palette_complete; // palette is accessed as 32bit for speed reasons, but is created as 8bit bytes
- for (i = 0;i < 255;i++)
+ for (i = 0;i < 256;i++)
{
*out++ = texturegammaramp[*in++];
*out++ = texturegammaramp[*in++];
*out++ = texturegammaramp[*in++];
*out++ = 255;
}
- palette_complete[255] = 0; // completely transparent black
if (palfile)
Mem_Free(palfile);