void COgreManager::ApplyShadowParams()
{
EnableShadow(m_effectCfg.bShadow);
m_pSceneMgr->setShadowFarDistance(Ogre::StringConverter::parseReal(m_shadowParams["FarDistance"]));
m_pSceneMgr->setShadowTextureCountPerLightType(Ogre::Light::LT_DIRECTIONAL, 3);
m_pSceneMgr->setShadowDirectionalLightExtrusionDistance(Ogre::StringConverter::parseReal(m_shadowParams["LightExtrusionDistance"]));
m_pSceneMgr->setShadowTextureCount(3);
FLOAT3 texSize = Ogre::StringConverter::parseVector3(m_shadowParams["ShadowMapSize"]);
m_pSceneMgr->setShadowTextureConfig(0, texSize.x, texSize.x, PF_FLOAT32_R);
m_pSceneMgr->setShadowTextureConfig(1, texSize.y, texSize.y, PF_FLOAT32_R);
m_pSceneMgr->setShadowTextureConfig(2, texSize.z, texSize.z, PF_FLOAT32_R);
m_pSceneMgr->setShadowTextureSelfShadow(Ogre::StringConverter::parseBool(m_shadowParams["SelfShadow"]));
m_pSceneMgr->setShadowCasterRenderBackFaces(Ogre::StringConverter::parseBool(m_shadowParams["RenderBackFace"]));
m_pSceneMgr->setShadowTextureCasterMaterial("Ogre/shadow/depth/caster");
PSSMShadowCameraSetup* cam = GetShadowCameraSetup();
cam->setSplitPadding(Ogre::StringConverter::parseBool(m_shadowParams["SplitPadding"]));
cam->calculateSplitPoints(3, m_pMainCamera->getNearClipDistance(), m_pSceneMgr->getShadowFarDistance(),
Ogre::StringConverter::parseReal(m_shadowParams["PssmLambda"]));
FLOAT3 adjust = Ogre::StringConverter::parseVector3(m_shadowParams["AdjustFactor"]);
cam->setOptimalAdjustFactor(0, adjust.x);
cam->setOptimalAdjustFactor(1, adjust.y);
cam->setOptimalAdjustFactor(2, adjust.z);
cam->setUseSimpleOptimalAdjust(Ogre::StringConverter::parseBool(m_shadowParams["UseSimpleAdjust"]));
cam->setCameraLightDirectionThreshold(Degree(Ogre::StringConverter::parseReal(m_shadowParams["CameraLightDirectionThreshold"])));
}
void configureShadows( bool enabled, bool depthShadows )
{
TerrainMaterialGeneratorA::SM2Profile* matProfile =
static_cast<TerrainMaterialGeneratorA::SM2Profile*>(mTerrainGlobals->getDefaultMaterialGenerator()->getActiveProfile());
matProfile->setReceiveDynamicShadowsEnabled( enabled );
#ifdef SHADOWS_IN_LOW_LOD_MATERIAL
matProfile->setReceiveDynamicShadowsLowLod( true );
#else
matProfile->setReceiveDynamicShadowsLowLod( false );
#endif
// Default materials
for( EntityList::iterator i = mHouseList.begin(); i != mHouseList.end(); ++i )
{
(*i)->setMaterialName( "Examples/TudorHouse" );
}
if( enabled )
{// General scene setup
mSceneMgr->setShadowTechnique( SHADOWTYPE_TEXTURE_ADDITIVE_INTEGRATED );
mSceneMgr->setShadowFarDistance( 3000 );
// 3 textures per directional light (PSSM)
mSceneMgr->setShadowTextureCountPerLightType( Ogre::Light::LT_DIRECTIONAL, 3 );
if( mPSSMSetup.isNull() )
{// shadow camera setup
PSSMShadowCameraSetup* pssmSetup = new PSSMShadowCameraSetup();
pssmSetup->setSplitPadding( mCamera->getNearClipDistance() );
pssmSetup->calculateSplitPoints( 3, mCamera->getNearClipDistance(), mSceneMgr->getShadowFarDistance() );
pssmSetup->setOptimalAdjustFactor( 0, 2 );
pssmSetup->setOptimalAdjustFactor( 1, 1 );
pssmSetup->setOptimalAdjustFactor( 2, 0.5 );
mPSSMSetup.bind( pssmSetup );
}
mSceneMgr->setShadowCameraSetup( mPSSMSetup );
if( depthShadows )
{
mSceneMgr->setShadowTextureCount( 3 );
mSceneMgr->setShadowTextureConfig( 0, 2048, 2048, PF_FLOAT32_R );
mSceneMgr->setShadowTextureConfig( 1, 1024, 1024, PF_FLOAT32_R );
mSceneMgr->setShadowTextureConfig( 2, 1024, 1024, PF_FLOAT32_R );
mSceneMgr->setShadowTextureSelfShadow( true );
mSceneMgr->setShadowCasterRenderBackFaces( true );
MaterialPtr houseMat = buildDepthShadowMaterial( "fw12b.jpg" );
for( EntityList::iterator i = mHouseList.begin(); i != mHouseList.end(); ++i )
{
(*i)->setMaterial( houseMat );
}
}
else
{
mSceneMgr->setShadowTextureCount( 3 );
mSceneMgr->setShadowTextureConfig( 0, 2048, 2048, PF_X8B8G8R8 );
mSceneMgr->setShadowTextureConfig( 1, 1024, 1024, PF_X8B8G8R8 );
mSceneMgr->setShadowTextureConfig( 2, 1024, 1024, PF_X8B8G8R8 );
mSceneMgr->setShadowTextureSelfShadow( false );
mSceneMgr->setShadowCasterRenderBackFaces( false );
mSceneMgr->setShadowTextureCasterMaterial( StringUtil::BLANK );
}
matProfile->setReceiveDynamicShadowsDepth( depthShadows );
matProfile->setReceiveDynamicShadowsPSSM( static_cast<PSSMShadowCameraSetup*>(mPSSMSetup.get()) );
//addTextureShadowDebugOverlay(TL_RIGHT, 3);
}
else
{
mSceneMgr->setShadowTechnique( SHADOWTYPE_NONE );
}
}
/// 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");
}
/// Shadows config
//---------------------------------------------------------------------------------------------------
void CScene::changeShadows()
{
Ogre::Timer ti;
// get settings
SETTINGS* pSet = app->pSet;
bool enabled = pSet->shadow_type != Sh_None;
bool bDepth = pSet->shadow_type >= Sh_Depth;
bool bSoft = pSet->shadow_type == Sh_Soft;
pSet->shadow_size = std::max(0,std::min(ciShadowSizesNum-1, pSet->shadow_size));
int fTex = ciShadowSizesA[pSet->shadow_size], fTex2 = fTex/2;
int num = pSet->shadow_count;
sh::Vector4* fade = new sh::Vector4(
pSet->shadow_dist,
pSet->shadow_dist * 0.6, // fade start
0, 0);
sh::Factory* mFactory = app->mFactory;
SceneManager* mSceneMgr = app->mSceneMgr;
if (terrain)
mFactory->setTextureAlias("TerrainLightMap", terrain->getLightmap()->getName());
// disable 4 shadow textures (does not work because no texcoord's left in shader)
if (num == 4) num = 3;
if (!enabled)
mSceneMgr->setShadowTechnique(SHADOWTYPE_NONE);
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 (num == 1) // 1 tex, fast
{
ShadowCameraSetupPtr mShadowCameraSetup = ShadowCameraSetupPtr(new LiSPSMShadowCameraSetup());
mSceneMgr->setShadowCameraSetup(mShadowCameraSetup);
}else
{ if (mPSSMSetup.isNull()) // pssm
{
PSSMShadowCameraSetup* pssmSetup = new PSSMShadowCameraSetup();
#ifndef SR_EDITOR
pssmSetup->setSplitPadding(app->mSplitMgr->mCameras.front()->getNearClipDistance());
pssmSetup->calculateSplitPoints(num, app->mSplitMgr->mCameras.front()->getNearClipDistance(), mSceneMgr->getShadowFarDistance());
#else
pssmSetup->setSplitPadding(app->mCamera->getNearClipDistance());
pssmSetup->calculateSplitPoints(num, app->mCamera->getNearClipDistance(), app->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)]);
}
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);
mSceneMgr->setShadowTextureCasterMaterial(bDepth ? "shadowcaster_default" : "");
}
mSceneMgr->setShadowColour(Ogre::ColourValue(0,0,0,1));
#if 0 /// TEST overlays
// add overlay elements to show shadow or terrain maps
OverlayManager& mgr = OverlayManager::getSingleton();
Overlay* overlay = mgr.getByName("DebugOverlay");
if (overlay)
mgr.destroy(overlay);
overlay = mgr.create("DebugOverlay");
TexturePtr tex;
#if 0 /// shadow
for (int i = 0; i < pSet->shadow_count; ++i)
{
TexturePtr tex = mSceneMgr->getShadowTexture(i);
#else /// terrain
for (int i = 0; i < 2/*pSet->shadow_count*/; ++i)
{
TexturePtr tex = !terrain ? mSceneMgr->getShadowTexture(i) :
i==0 ? terrain->getCompositeMap() : terrain->getLightmap();
#endif
// 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), rgDef);
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*0.31); //aspect.. 0.25 0.24
debugPanel->_setDimensions(0.2, 0.3);
debugPanel->setMaterialName(debugMat->getName());
debugPanel->show();
overlay->add2D(debugPanel);
overlay->show();
}
#endif
UpdPSSMMaterials();
// rebuild static geom after materials change
if (vdrTrack)
{
vdrTrack->destroy();
vdrTrack->build();
}
LogO(String("::: Time Shadows: ") + fToStr(ti.getMilliseconds(),0,3) + " ms");
}
/// . . . . . . . .
void CScene::UpdPSSMMaterials()
{
if (app->pSet->shadow_type == Sh_None) return;
if (app->pSet->shadow_count == 1) // 1 tex
{
float dist = app->pSet->shadow_dist;
sh::Vector3* splits = new sh::Vector3(dist, 0,0); //dist*2, dist*3);
sh::Factory::getInstance().setSharedParameter("pssmSplitPoints", sh::makeProperty<sh::Vector3>(splits));
return;
}
if (!mPSSMSetup.get()) return;
//-- pssm params
PSSMShadowCameraSetup* pssmSetup = static_cast<PSSMShadowCameraSetup*>(mPSSMSetup.get());
const PSSMShadowCameraSetup::SplitPointList& sp = pssmSetup->getSplitPoints();
const int last = sp.size()-1;
sh::Vector3* splits = new sh::Vector3(
sp[std::min(1,last)], sp[std::min(2,last)], sp[std::min(3,last)] );
sh::Factory::getInstance().setSharedParameter("pssmSplitPoints", sh::makeProperty<sh::Vector3>(splits));
}