void CFeatureDrawer::DrawShadowPass()
{
glPolygonOffset(1.0f, 1.0f);
glEnable(GL_POLYGON_OFFSET_FILL);
Shader::IProgramObject* po =
shadowHandler->GetShadowGenProg(CShadowHandler::SHADOWGEN_PROGRAM_MODEL);
po->Enable();
{
GML_RECMUTEX_LOCK(feat); // DrawShadowPass
// note: for the shadow-pass, we want to make sure
// out-of-view features casting frustum-intersecting
// shadows are still rendered, but this is expensive
// and does not make much difference
//
// GetVisibleFeatures(1, false);
// need the alpha-mask for transparent features
glEnable(GL_TEXTURE_2D);
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
// needed for 3do models (else they will use any currently bound texture)
// note: texture0 is by default a 1x1 texture with rgba(0,0,0,255)
// (we are just interested in the 255 alpha here)
glBindTexture(GL_TEXTURE_2D, 0);
// 3DO's have clockwise-wound faces and
// (usually) holes, so disable backface
// culling for them
glDisable(GL_CULL_FACE);
DrawOpaqueFeatures(MODELTYPE_3DO);
glEnable(GL_CULL_FACE);
for (int modelType = MODELTYPE_S3O; modelType < MODELTYPE_OTHER; modelType++) {
DrawOpaqueFeatures(modelType);
}
glPopAttrib();
glDisable(GL_TEXTURE_2D);
}
po->Disable();
glDisable(GL_POLYGON_OFFSET_FILL);
}
void CFeatureDrawer::Draw()
{
if(globalRendering->drawFog) {
glEnable(GL_FOG);
glFogfv(GL_FOG_COLOR, mapInfo->atmosphere.fogColor);
}
GML_RECMUTEX_LOCK(feat); // Draw
CBaseGroundDrawer* gd = readmap->GetGroundDrawer();
if (gd->DrawExtraTex()) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_ADD_SIGNED_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
SetTexGen(1.0f / (gs->pwr2mapx * SQUARE_SIZE), 1.0f / (gs->pwr2mapy * SQUARE_SIZE), 0.0f, 0.0f);
glBindTexture(GL_TEXTURE_2D, gd->infoTex);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
unitDrawer->SetupForUnitDrawing();
GetVisibleFeatures(0, true);
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
opaqueModelRenderers[modelType]->PushRenderState();
DrawOpaqueFeatures(modelType);
opaqueModelRenderers[modelType]->PopRenderState();
}
unitDrawer->CleanUpUnitDrawing();
farTextureHandler->Draw();
if (gd->DrawExtraTex()) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_FOG);
DrawFeatureStats();
}
void CFeatureDrawer::Draw()
{
ISky::SetupFog();
GML_RECMUTEX_LOCK(feat); // Draw
CBaseGroundDrawer* gd = readMap->GetGroundDrawer();
if (gd->DrawExtraTex()) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_ADD_SIGNED_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glMultiTexCoord4f(GL_TEXTURE2_ARB, 1.0f,1.0f,1.0f,1.0f); // workaround a nvidia bug with TexGen
SetTexGen(1.0f / (gs->pwr2mapx * SQUARE_SIZE), 1.0f / (gs->pwr2mapy * SQUARE_SIZE), 0.0f, 0.0f);
glBindTexture(GL_TEXTURE_2D, gd->GetActiveInfoTexture());
glActiveTextureARB(GL_TEXTURE0_ARB);
}
unitDrawer->SetupForUnitDrawing(false);
GetVisibleFeatures(0, true);
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
opaqueModelRenderers[modelType]->PushRenderState();
DrawOpaqueFeatures(modelType);
opaqueModelRenderers[modelType]->PopRenderState();
}
unitDrawer->CleanUpUnitDrawing(false);
farTextureHandler->Draw();
if (gd->DrawExtraTex()) {
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisable(GL_TEXTURE_2D);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
glDisable(GL_TEXTURE_2D);
glDisable(GL_FOG);
#ifdef USE_GML
DrawFeatureStats();
#endif
}
