static void RenderDome(FTextureID texno, FMaterial * tex, float x_offset, float y_offset, bool mirror, int CM_Index)
{
int texh = 0;
bool texscale = false;
// 57 worls units roughly represent one sky texel for the glTranslate call.
const float skyoffsetfactor = 57;
if (tex)
{
glPushMatrix();
tex->Bind(CM_Index, 0, 0);
texw = tex->TextureWidth(GLUSE_TEXTURE);
texh = tex->TextureHeight(GLUSE_TEXTURE);
glRotatef(-180.0f+x_offset, 0.f, 1.f, 0.f);
yAdd = y_offset/texh;
if (texh < 128)
{
// smaller sky textures must be tiled. We restrict it to 128 sky pixels, though
glTranslatef(0.f, -1250.f, 0.f);
glScalef(1.f, 128/230.f, 1.f);
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadIdentity();
glScalef(1.f, 128 / texh, 1.f); // intentionally left as integer.
glMatrixMode(GL_MODELVIEW);
texscale = true;
}
else if (texh < 200)
{
glTranslatef(0.f, -1250.f, 0.f);
glScalef(1.f, texh/230.f, 1.f);
}
else if (texh <= 240)
{
glTranslatef(0.f, (200 - texh + tex->tex->SkyOffset + skyoffset)*skyoffsetfactor, 0.f);
glScalef(1.f, 1.f + ((texh-200.f)/200.f) * 1.17f, 1.f);
}
else
{
glTranslatef(0.f, (-40 + tex->tex->SkyOffset + skyoffset)*skyoffsetfactor, 0.f);
glScalef(1.f, 1.2f * 1.17f, 1.f);
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glLoadIdentity();
glScalef(1.f, 240.f / texh, 1.f);
glMatrixMode(GL_MODELVIEW);
texscale = true;
}
}
if (tex && !secondlayer)
{
PalEntry pe = tex->tex->GetSkyCapColor(false);
if (CM_Index!=CM_DEFAULT) ModifyPalette(&pe, &pe, CM_Index, 1);
R=pe.r/255.0f;
G=pe.g/255.0f;
B=pe.b/255.0f;
if (gl_fixedcolormap)
{
float rr, gg, bb;
gl_GetLightColor(255, 0, NULL, &rr, &gg, &bb);
R*=rr;
G*=gg;
B*=bb;
}
}
RenderSkyHemisphere(SKYHEMI_UPPER, mirror);
if (tex && !secondlayer)
{
PalEntry pe = tex->tex->GetSkyCapColor(true);
if (CM_Index!=CM_DEFAULT) ModifyPalette(&pe, &pe, CM_Index, 1);
R=pe.r/255.0f;
G=pe.g/255.0f;
B=pe.b/255.0f;
if (gl_fixedcolormap != CM_DEFAULT)
{
float rr,gg,bb;
gl_GetLightColor(255, 0, NULL, &rr, &gg, &bb);
R*=rr;
G*=gg;
B*=bb;
}
}
RenderSkyHemisphere(SKYHEMI_LOWER, mirror);
if (texscale)
{
glMatrixMode(GL_TEXTURE);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
if (tex) glPopMatrix();
}
static void RenderDome(int texno, FGLTexture * tex, float x_offset, float y_offset, int CM_Index)
{
int texh;
bool skystretch = (r_stretchsky && !(level.flags & LEVEL_FORCENOSKYSTRETCH));
if (tex)
{
tex->Bind(CM_Index);
texw = tex->TextureWidth();
texh = tex->TextureHeight();
if (texh>190 && skystretch) texh=190;
gl.Rotatef(-180.0f+x_offset, 0.f, 1.f, 0.f);
yAdd = y_offset/texh;
// The non-stretched skies still need some work
if (texh<=180) // && skystretch)
{
yMult=1.0f;
}
else
{
yMult= 180.0f/texh;
/*
if (texh<=180)
{
yAdd-=(180-texh)/(float)texh;
}
*/
}
}
if (tex && !secondlayer)
{
PalEntry pe = SkyCapColor(texno, false);
if (CM_Index!=CM_DEFAULT) ModifyPalette(&pe, &pe, CM_Index, 1);
R=pe.r/255.0f;
G=pe.g/255.0f;
B=pe.b/255.0f;
if (gl_fixedcolormap)
{
float rr, gg, bb;
gl_GetLightColor(255, 0, NULL, &rr, &gg, &bb);
R*=rr;
G*=gg;
B*=bb;
}
}
RenderSkyHemisphere(SKYHEMI_UPPER);
if(tex)
{
yAdd = y_offset/texh;
if (texh<=180)
{
yMult=1.0f;
}
else
{
yAdd+=180.0f/texh;
}
}
if (tex && !secondlayer)
{
PalEntry pe = SkyCapColor(texno, true);
if (CM_Index!=CM_DEFAULT) ModifyPalette(&pe, &pe, CM_Index, 1);
R=pe.r/255.0f;
G=pe.g/255.0f;
B=pe.b/255.0f;
if (fixedcolormap)
{
float rr,gg,bb;
gl_GetLightColor(255, 0, NULL, &rr, &gg, &bb);
R*=rr;
G*=gg;
B*=bb;
}
}
RenderSkyHemisphere(SKYHEMI_LOWER);
if (tex)
{
gl.Rotatef(180.0f-x_offset, 0.f, 1.f, 0.f);
}
}
