/*-----------------------------------------------------------------------------
Name : teColorAdjust
Description : Adjust a color according to a HLS colorizing table.
Inputs : baseColor - origional color
colorize - HLS parameters to adjust by.
Outputs :
Return : newly adjusted color
----------------------------------------------------------------------------*/
color teColorAdjust(color baseColor, trhlscolorize *colorize)
{
real32 red, green, blue, hue, lum, sat;
colRGBToHLS(&hue, &lum, &sat, colUbyteToReal(colRed(baseColor)),
colUbyteToReal(colGreen(baseColor)),
colUbyteToReal(colBlue(baseColor)));
hue += colorize->hue;
if (hue < 0)
{
hue += 1.0f;
}
if (hue > 1.0f)
{
hue -= 1.0f;
}
lum *= colorize->lum;
sat *= colorize->sat;
if (lum > 1.0f)
{
lum = 1.0f;
}
if (sat > 1.0f)
{
sat = 1.0f;
}
colHLSToRGB(&red, &green, &blue, hue, lum, sat);
return(colRGB(colRealToUbyte(red), colRealToUbyte(green), colRealToUbyte(blue)));
}
void teTeamColorsSet(sdword iTeam, color baseColor, color stripeColor)
{
sdword index;
real32 red, green, blue, hue, sat, val;
dbgAssert(iTeam >= 0 && iTeam < TE_NumberPlayers);
if (multiPlayerGame)
{ //if somebody in a multiplayer game
red = colUbyteToReal(colRed(baseColor));
green = colUbyteToReal(colGreen(baseColor));
blue = colUbyteToReal(colBlue(baseColor));
colRGBToHSV(&hue, &sat, &val, red, green, blue);
if (colRealToUbyte(val) < cpDarkestColor0 * TE_DarkColorGraceFactor)
{ //is trying to set his ships to black
baseColor = TE_DorkyCheaterBaseColor;
stripeColor = TE_DorkyCheaterStripeColor;
}
}
teColorSchemes[iTeam].textureColor.base = baseColor;
teColorSchemes[iTeam].textureColor.detail = stripeColor;
#if !TO_STANDARD_COLORS
teColorSchemes[iTeam].tacticalColor =
teColorAdjust(baseColor, &teTacticalColorize);
#endif
for (index = 0; index < TE_NumberTrailColors; index++)
{
teColorSchemes[iTeam].trailColors[index] =
teColorAdjust(baseColor, &teTrailColorize[index]);
}
for (iTeam = 0; iTeam < TE_NumberPlayers; iTeam++)
{
teColorSchemes[iTeam].ambient = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536));
teColorSchemes[iTeam].diffuse = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536));
teColorSchemes[iTeam].specular = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536));
teColorSchemes[iTeam].stripeAmbient = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teAmbientAdjust / 65536));
teColorSchemes[iTeam].stripeDiffuse = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teDiffuseAdjust / 65536));
teColorSchemes[iTeam].stripeSpecular = colRGB(colClamp256(colRed(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536),
colClamp256(colGreen(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536),
colClamp256(colBlue(teColorSchemes[iTeam].textureColor.base) * teSpecularAdjust / 65536));
}
}
void liBlendScreen(color *buffer, color *layer, real32 opacity, sdword nPixels)
{
real32 redSource, greenSource, blueSource, alpha;
real32 redDest, greenDest, blueDest;//, alphaDest;
real32 oneMinusAlpha;
while (nPixels > 0)
{
alpha = colUbyteToReal(colAlpha(*layer)) * opacity;
oneMinusAlpha = 1.0f - alpha;
redSource = colUbyteToReal(colRed(*layer)); //read pixel to floating point
greenSource = colUbyteToReal(colGreen(*layer));
blueSource = colUbyteToReal(colBlue(*layer));
redDest = colUbyteToReal(colRed(*buffer));
greenDest = colUbyteToReal(colGreen(*buffer));
blueDest = colUbyteToReal(colBlue(*buffer));
redDest = (1.0f - (1.0f - redDest) * (1.0f - redSource)) * alpha + redDest * oneMinusAlpha;
greenDest = (1.0f - (1.0f - greenDest) * (1.0f - greenSource)) * alpha + greenDest * oneMinusAlpha;
blueDest = (1.0f - (1.0f - blueDest) * (1.0f - blueSource)) * alpha + blueDest * oneMinusAlpha;
redDest = min(redDest, 1.0f);
greenDest = min(greenDest, 1.0f);
blueDest = min(blueDest, 1.0f);
*buffer = colRGB(colRealToUbyte(redDest), colRealToUbyte(greenDest),
colRealToUbyte(blueDest));
buffer++;
layer++;
nPixels--;
}
}
void liBlendOverlay(color *buffer, color *layer, real32 opacity, sdword nPixels)
{
real32 redSource, greenSource, blueSource, alpha;
real32 redDest, greenDest, blueDest;//, alphaDest;
real32 oneMinusAlpha;
real32 redTemp, greenTemp, blueTemp;
while (nPixels > 0)
{
alpha = colUbyteToReal(colAlpha(*layer)) * opacity;
oneMinusAlpha = 1.0f - alpha;
redSource = colUbyteToReal(colRed(*layer)); //read pixel to floating point
greenSource = colUbyteToReal(colGreen(*layer));
blueSource = colUbyteToReal(colBlue(*layer));
redDest = colUbyteToReal(colRed(*buffer));
greenDest = colUbyteToReal(colGreen(*buffer));
blueDest = colUbyteToReal(colBlue(*buffer));
if (redDest < 0.5f)
{
redTemp = (2.0f * redSource * 2.0f * redDest) / 2.0f;
}
else
{
redTemp = 1.0f - ((2.0f * (1.0f - redSource)) * (2.0f * (1.0f - redDest)) / 2.0f);
}
if (greenDest < 0.5f)
{
greenTemp = (2.0f * greenSource * 2.0f * greenDest) / 2.0f;
}
else
{
greenTemp = 1.0f - ((2.0f * (1.0f - greenSource)) * (2.0f * (1.0f - greenDest)) / 2.0f);
}
if (blueDest < 0.5f)
{
blueTemp = (2.0f * blueSource * 2.0f * blueDest) / 2.0f;
}
else
{
blueTemp = 1.0f - ((2.0f * (1.0f - blueSource)) * (2.0f * (1.0f - blueDest)) / 2.0f);
}
redDest = redTemp * alpha + redDest * oneMinusAlpha;
greenDest = greenTemp * alpha + greenDest * oneMinusAlpha;
blueDest = blueTemp * alpha + blueDest * oneMinusAlpha;
redDest = min(redDest, 1.0f);
greenDest = min(greenDest, 1.0f);
blueDest = min(blueDest, 1.0f);
*buffer = colRGB(colRealToUbyte(redDest), colRealToUbyte(greenDest),
colRealToUbyte(blueDest));
buffer++;
layer++;
nPixels--;
}
}
//This one not a perfect copy, but pretty close
void liBlendColor(color *buffer, color *layer, real32 opacity, sdword nPixels)
{
real32 redSource, greenSource, blueSource, alpha;
real32 redDest, greenDest, blueDest;//, alphaDest;
real32 oneMinusAlpha;
real32 hueS, satS, hueD, satD, lumS, lumD;
real32 clumD, clumS;
real32 redTemp, greenTemp, blueTemp;
#if LI_VERBOSE_LEVEL >= 2
dbgMessagef("\nColor: Blending mode not implemented perfectly.");
#endif
while (nPixels > 0)
{
alpha = colUbyteToReal(colAlpha(*layer)) * opacity;
oneMinusAlpha = 1.0f - alpha;
redSource = colUbyteToReal(colRed(*layer)); //read pixel to floating point
greenSource = colUbyteToReal(colGreen(*layer));
blueSource = colUbyteToReal(colBlue(*layer));
redDest = colUbyteToReal(colRed(*buffer));
greenDest = colUbyteToReal(colGreen(*buffer));
blueDest = colUbyteToReal(colBlue(*buffer));
clumS = (redSource * LI_RedGamma + greenSource * LI_GreenGamma + blueSource * LI_BlueGamma) / LI_TotalGamma;
clumD = (redDest * LI_RedGamma + greenDest * LI_GreenGamma + blueDest * LI_BlueGamma) / LI_TotalGamma;
colRGBToHLS(&hueS, &lumS, &satS, redSource, greenSource, blueSource);
colRGBToHLS(&hueD, &lumD, &satD, redDest, greenDest, blueDest);
colHLSToRGB(&redTemp, &greenTemp, &blueTemp, hueS, clumD, satS);
redDest = redTemp * alpha + redDest * oneMinusAlpha;
greenDest = greenTemp * alpha + greenDest * oneMinusAlpha;
blueDest = blueTemp * alpha + blueDest * oneMinusAlpha;
redDest = min(redDest, 1.0f);
greenDest = min(greenDest, 1.0f);
blueDest = min(blueDest, 1.0f);
*buffer = colRGB(colRealToUbyte(redDest), colRealToUbyte(greenDest),
colRealToUbyte(blueDest));
buffer++;
layer++;
nPixels--;
}
}
void liBlendColorDodge(color *buffer, color *layer, real32 opacity, sdword nPixels)
{
real32 redSource, greenSource, blueSource, alpha;
real32 redDest, greenDest, blueDest;//, alphaDest;
real32 oneMinusAlpha;
while (nPixels > 0)
{
alpha = colUbyteToReal(colAlpha(*layer)) * opacity;
oneMinusAlpha = 1.0f - alpha;
redSource = colUbyteToReal(colRed(*layer)); //read pixel to floating point
greenSource = colUbyteToReal(colGreen(*layer));
blueSource = colUbyteToReal(colBlue(*layer));
redDest = colUbyteToReal(colRed(*buffer));
greenDest = colUbyteToReal(colGreen(*buffer));
blueDest = colUbyteToReal(colBlue(*buffer));
redDest = (redDest + redSource * redSource * redDest) * alpha + redDest * oneMinusAlpha;
greenDest = (greenDest + greenSource * greenSource * greenDest) * alpha + greenDest * oneMinusAlpha;
blueDest = (blueDest + blueSource * blueSource * blueDest) * alpha + blueDest * oneMinusAlpha;
redDest = min(redDest, 1.0f);
greenDest = min(greenDest, 1.0f);
blueDest = min(blueDest, 1.0f);
*buffer = colRGB(colRealToUbyte(redDest), colRealToUbyte(greenDest),
colRealToUbyte(blueDest));
buffer++;
layer++;
nPixels--;
}
/*
real32 redSource, greenSource, blueSource, alpha;
real32 redDest, greenDest, blueDest;//, alphaDest;
real32 oneMinusAlpha;
real32 hueS, satS, valS, hueD, satD, valD;
// real32 cvalD, cvalS;
while (nPixels > 0)
{
alpha = colUbyteToReal(colAlpha(*layer)) * opacity;
oneMinusAlpha = 1.0f - alpha;
redSource = colUbyteToReal(colRed(*layer)); //read pixel to floating point
greenSource = colUbyteToReal(colGreen(*layer));
blueSource = colUbyteToReal(colBlue(*layer));
redDest = colUbyteToReal(colRed(*buffer));
greenDest = colUbyteToReal(colGreen(*buffer));
blueDest = colUbyteToReal(colBlue(*buffer));
// redDest = (redDest + redSource * redSource * redDest) * alpha + redDest * oneMinusAlpha;
// greenDest = (greenDest + greenSource * greenSource * greenDest) * alpha + greenDest * oneMinusAlpha;
// blueDest = (blueDest + blueSource * blueSource * blueDest) * alpha + blueDest * oneMinusAlpha;
colRGBToHSV(&hueS, &satS, &valS, redSource * alpha, greenSource * alpha, blueSource * alpha);
colRGBToHSV(&hueD, &satD, &valD, redDest, greenDest, blueDest);
valD += valS;
valD = min(valD, 1.0f);
colHSVToRGB(&redDest, &greenDest, &blueDest, hueD, satD, valD);
*buffer = colRGB(colRealToUbyte(redDest), colRealToUbyte(greenDest),
colRealToUbyte(blueDest));
buffer++;
layer++;
nPixels--;
}
*/
}