/// Shadows config
//---------------------------------------------------------------------------------------------------
void App::changeShadows()
{
QTimer ti; ti.update(); /// time
// get settings
bool enabled = pSet->shadow_type != 0;
bool bDepth = pSet->shadow_type >= 2;
bool bSoft = pSet->shadow_type == 3;
pSet->shadow_size = std::max(0,std::min(ciShadowNumSizes-1, pSet->shadow_size));
int fTex = /*2048*/ ciShadowSizesA[pSet->shadow_size], fTex2 = fTex/2;
int num = /*3*/ pSet->shadow_count;
// disable 4 shadow textures (does not work because no texcoord's left in shader)
if (num == 4) num = 3;
TerrainMaterialGeneratorB::SM2Profile* matProfile = 0;
if (mTerrainGlobals)
{
matProfile = (TerrainMaterialGeneratorB::SM2Profile*) mTerrainGlobals->getDefaultMaterialGenerator()->getActiveProfile();
if (matProfile)
{ matProfile->setReceiveDynamicShadowsEnabled(enabled);
matProfile->setReceiveDynamicShadowsLowLod(true);
matProfile->setGlobalColourMapEnabled(false);
matProfile->setLayerSpecularMappingEnabled(pSet->ter_mtr >= 1); // ter mtr
matProfile->setLayerNormalMappingEnabled( pSet->ter_mtr >= 2);
matProfile->setLayerParallaxMappingEnabled(pSet->ter_mtr >= 3);
} }
if (!enabled) {
mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE); /*return;*/ }
else
{
// General scene setup
//mSceneMgr->setShadowTechnique(SHADOWTYPE_TEXTURE_ADDITIVE_INTEGRATED);
mSceneMgr->setShadowTechnique(SHADOWTYPE_TEXTURE_MODULATIVE_INTEGRATED);
mSceneMgr->setShadowFarDistance(pSet->shadow_dist); // 3000
mSceneMgr->setShadowTextureCountPerLightType(Light::LT_DIRECTIONAL, num);
if (mPSSMSetup.isNull())
{
// shadow camera setup
PSSMShadowCameraSetup* pssmSetup = new PSSMShadowCameraSetup();
#ifndef ROAD_EDITOR
pssmSetup->setSplitPadding(mSplitMgr->mCameras.front()->getNearClipDistance());
//pssmSetup->setSplitPadding(10);
pssmSetup->calculateSplitPoints(num, mSplitMgr->mCameras.front()->getNearClipDistance(), mSceneMgr->getShadowFarDistance());
#else
pssmSetup->setSplitPadding(mCamera->getNearClipDistance());
//pssmSetup->setSplitPadding(10);
pssmSetup->calculateSplitPoints(num, mCamera->getNearClipDistance(), mSceneMgr->getShadowFarDistance());
#endif
for (int i=0; i < num; ++i)
{ //int size = i==0 ? fTex : fTex2;
const Real cAdjfA[5] = {2, 1, 0.5, 0.25, 0.125};
pssmSetup->setOptimalAdjustFactor(i, cAdjfA[std::min(i, 4)]);
}
materialFactory->setPSSMCameraSetup(pssmSetup);
mPSSMSetup.bind(pssmSetup);
}
mSceneMgr->setShadowCameraSetup(mPSSMSetup);
mSceneMgr->setShadowTextureCount(num);
for (int i=0; i < num; ++i)
{ int size = i==0 ? fTex : fTex2;
PixelFormat pf;
if (bDepth && !bSoft) pf = PF_FLOAT32_R;
else if (bSoft) pf = PF_FLOAT16_RGB;
else pf = PF_X8B8G8R8;
mSceneMgr->setShadowTextureConfig(i, size, size, pf);
}
mSceneMgr->setShadowTextureSelfShadow(bDepth ? true : false); //-?
mSceneMgr->setShadowCasterRenderBackFaces((bDepth && !bSoft) ? true : false);
String shadowCasterMat;
if (bDepth && !bSoft) shadowCasterMat = "PSSM/shadow_caster";
else if (bSoft) shadowCasterMat = "PSVSM/shadow_caster";
else shadowCasterMat = StringUtil::BLANK;
mSceneMgr->setShadowTextureCasterMaterial(shadowCasterMat);
if (matProfile && terrain) {
matProfile->setReceiveDynamicShadowsDepth(bDepth);
matProfile->setReceiveDynamicShadowsPSSM(static_cast<PSSMShadowCameraSetup*>(mPSSMSetup.get()));
MaterialPtr mtr = matProfile->generateForCompositeMap(terrain);
//LogO(mtr->getBestTechnique()->getPass(0)->getTextureUnitState(0)->getName());
//LogO(String("Ter mtr: ") + mtr->getName());
}
}
materialFactory->setTerrain(terrain);
materialFactory->setNumShadowTex(num);
materialFactory->setShadows(pSet->shadow_type != 0);
materialFactory->setShadowsDepth(bDepth);
materialFactory->setShadowsSoft(bSoft);
materialFactory->generate();
#if 0 // shadow tex overlay
// add the overlay elements to show the shadow maps:
// init overlay elements
OverlayManager& mgr = OverlayManager::getSingleton();
Overlay* overlay;
// destroy if already exists
if (overlay = mgr.getByName("DebugOverlay"))
mgr.destroy(overlay);
overlay = mgr.create("DebugOverlay");
TexturePtr tex;
for (size_t i = 0; i < 2; ++i) {
//TexturePtr tex = mSceneMgr->getShadowTexture(i);
if (i == 0) tex = TextureManager::getSingleton().getByName("PlaneReflection");
else tex = TextureManager::getSingleton().getByName("PlaneRefraction");
// Set up a debug panel to display the shadow
if (MaterialManager::getSingleton().resourceExists("Ogre/DebugTexture" + toStr(i)))
MaterialManager::getSingleton().remove("Ogre/DebugTexture" + toStr(i));
MaterialPtr debugMat = MaterialManager::getSingleton().create(
"Ogre/DebugTexture" + toStr(i),
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
debugMat->getTechnique(0)->getPass(0)->setLightingEnabled(false);
TextureUnitState *t = debugMat->getTechnique(0)->getPass(0)->createTextureUnitState(tex->getName());
t->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
OverlayContainer* debugPanel;
// destroy container if exists
try
{
if (debugPanel =
static_cast<OverlayContainer*>(
mgr.getOverlayElement("Ogre/DebugTexPanel" + toStr(i)
)))
mgr.destroyOverlayElement(debugPanel);
}
catch (Ogre::Exception&) {}
debugPanel = (OverlayContainer*)
(OverlayManager::getSingleton().createOverlayElement("Panel", "Ogre/DebugTexPanel" + StringConverter::toString(i)));
debugPanel->_setPosition(0.8, i*0.25);
debugPanel->_setDimensions(0.2, 0.24);
debugPanel->setMaterialName(debugMat->getName());
debugPanel->show();
overlay->add2D(debugPanel);
overlay->show();
}
#endif
// ------------------- update the paged-geom materials
// grass is not cloned, just need to set new shader parameters
if (grass)
{
GrassLoader *grassLoader = static_cast<GrassLoader*>(grass->getPageLoader());
for (std::list<GrassLayer*>::iterator it= grassLoader->getLayerList().begin();
it != grassLoader->getLayerList().end(); ++it)
{
GrassLayer* layer = (*it);
layer->applyShader();
}
}
// trees are more complicated since they are cloned
//!todo this doesn't work (tree material does not update immediately)
if(trees)
{
trees->reloadGeometry();
std::vector<ResourcePtr> reosurceToDelete;
ResourceManager::ResourceMapIterator it = MaterialManager::getSingleton().getResourceIterator();
while (it.hasMoreElements())
{
ResourcePtr material = it.getNext();
String materialName = material->getName();
std::string::size_type pos =materialName.find("BatchMat|");
if( pos != std::string::npos ) {
reosurceToDelete.push_back(material);
}
}
for(int i=0;i<reosurceToDelete.size();i++)
{
MaterialManager::getSingleton().remove(reosurceToDelete[i]);
}
}
UpdPSSMMaterials();
ti.update(); /// time
float dt = ti.dt * 1000.f;
LogO(String("::: Time Shadows: ") + toStr(dt) + " ms");
}
