static void TerrainMakeActive( const TerrainTexture &text )
{
if (text.tex.t) {
GFXEnable( TEXTURE0 );
text.tex.t->MakeActive();
} else {
GFXDisable( TEXTURE0 );
}
GFXBlendMode( text.blendSrc, text.blendDst );
if (text.reflect)
GFXEnable( TEXTURE1 );
else
GFXDisable( TEXTURE1 );
GFXSelectMaterial( text.material );
}
void Stars::Draw() {
static bool stars_dont_move = XMLSupport::parse_bool (vs_config->getVariable("graphics","stars_dont_move","false"));
if (stars_dont_move)return;
const QVector cp (_Universe->AccessCamera()->GetPosition());
UpdatePosition(cp);
// GFXLightContextAmbient(GFXColor(0,0,0,1));
GFXColor (1,1,1,1);
GFXLoadIdentity(MODEL);
GFXDisable(DEPTHWRITE);
GFXDisable (TEXTURE0);
GFXDisable (TEXTURE1);
GFXEnable (DEPTHTEST);
static bool near_stars_alpha=XMLSupport::parse_bool(vs_config->getVariable("graphics","near_stars_alpha","false"));
static bool near_stars_alpha_blend=XMLSupport::parse_bool(vs_config->getVariable("graphics","near_stars_alpha_blend","false"));
static float AlphaTestingCutoff =XMLSupport::parse_float(vs_config->getVariable("graphics","stars_alpha_test_cutoff",".2"));
if (near_stars_alpha) {
GFXAlphaTest (GREATER,AlphaTestingCutoff);
if (!near_stars_alpha_blend) {
GFXBlendMode(ONE,ZERO);
} else {
GFXBlendMode(SRCALPHA,INVSRCALPHA);
}
GFXEnable(DEPTHWRITE);
} else {
if (blend) {
GFXBlendMode (ONE,ONE);
} else {
GFXBlendMode (ONE,ZERO);
}
}
int ligh;
GFXSelectMaterial (0);
if (fade) {
static float star_spread_attenuation = XMLSupport::parse_float(vs_config->getVariable("graphics","star_spread_attenuation",".2"));
GFXPushGlobalEffects();
GFXLight FadeLight (true, GFXColor (cp.i,cp.j,cp.k), GFXColor (0,0,0,1), GFXColor (0,0,0,1), GFXColor (1,1,1,1), GFXColor (.01,0,1/(star_spread_attenuation*star_spread_attenuation*spread*spread)));
GFXCreateLight (ligh,FadeLight,true);
GFXEnable (LIGHTING);
} else {
GFXDisable (LIGHTING);
}
_Universe->AccessCamera()->UpdateGFX(GFXFALSE,GFXFALSE,GFXFALSE);
int LC=0,LN=vlist->NumTextures();
for (LC=0; LC<LN; ++LC) {
bool stretch=vlist->BeginDrawState(_Universe->AccessCamera()->GetR().Scale(-spread).Cast(),_Universe->AccessCamera()->GetVelocity(),_Universe->AccessCamera()->GetAngularVelocity(),false,false,LC);
int i;
for (i=0; i<STARnumvlist; i++) {
if (i>=1)
GFXTranslateModel (pos[i]-pos[i-1]);
else
GFXTranslateModel (pos[i]);
vlist->Draw(stretch,LC);
}
GFXTranslateModel(-pos[i-1]);
vlist->EndDrawState(stretch,LC);
}
if (near_stars_alpha) {
GFXAlphaTest(ALWAYS,0);
} else {
GFXEnable(DEPTHWRITE);
}
GFXBlendMode(ONE,ZERO);
_Universe->AccessCamera()->UpdateGFX(GFXTRUE,GFXFALSE,GFXFALSE) ;
GFXEnable (TEXTURE0);
GFXEnable (TEXTURE1);
if (fade) {
GFXDeleteLight (ligh);
GFXPopGlobalEffects();
}
GFXLoadIdentity(MODEL);
}
