void initShadows()
{
GlbVar.ogreSmgr->setShadowTechnique(Ogre::SHADOWTYPE_TEXTURE_MODULATIVE_INTEGRATED);
//3 textures per directional light.
GlbVar.ogreSmgr->setShadowTextureCountPerLightType(Ogre::Light::LT_DIRECTIONAL, 3);
GlbVar.ogreSmgr->setShadowTextureCount(3);
GlbVar.ogreSmgr->setShadowTextureConfig(0, 2048, 2048, Ogre::PF_FLOAT32_R);
GlbVar.ogreSmgr->setShadowTextureConfig(1, 2048, 2048, Ogre::PF_FLOAT32_R);
GlbVar.ogreSmgr->setShadowTextureConfig(2, 1024, 1024, Ogre::PF_FLOAT32_R);
GlbVar.ogreSmgr->setShadowTextureSelfShadow(true);
GlbVar.ogreSmgr->setShadowCasterRenderBackFaces(true);
//Caster material.
GlbVar.ogreSmgr->setShadowTextureCasterMaterial("BaseShadowCaster");
//Shadow camera setup.
Ogre::PSSMShadowCameraSetup::SplitPointList splits;
splits.push_back(0.1f);
splits.push_back(18.7167f);
splits.push_back(77.4301f);
splits.push_back(1000.0f);
Ogre::PSSMShadowCameraSetup* pssmSetup = new Ogre::PSSMShadowCameraSetup();
pssmSetup->setSplitPoints(splits);
pssmSetup->setSplitPadding(10);
pssmSetup->setOptimalAdjustFactor(0, 5);
pssmSetup->setOptimalAdjustFactor(1, 3);
pssmSetup->setOptimalAdjustFactor(2, 0.1);
GlbVar.ogreSmgr->setShadowCameraSetup(Ogre::ShadowCameraSetupPtr(pssmSetup));
}
void ShadowManager::updatePSSM(Ogre::Terrain* terrain)
{
if (!PSSM_Shadows.mPSSMSetup.get()) return;
Ogre::TerrainMaterialGeneratorA::SM2Profile *matProfile = 0;
if (Ogre::TerrainGlobalOptions::getSingletonPtr())
{
matProfile = static_cast<Ogre::TerrainMaterialGeneratorA::SM2Profile*>(Ogre::TerrainGlobalOptions::getSingleton().getDefaultMaterialGenerator()->getActiveProfile());
matProfile->setReceiveDynamicShadowsEnabled(true);
matProfile->setReceiveDynamicShadowsLowLod(true);
matProfile->setGlobalColourMapEnabled(true);
}
Ogre::PSSMShadowCameraSetup* pssmSetup = static_cast<Ogre::PSSMShadowCameraSetup*>(PSSM_Shadows.mPSSMSetup.get());
Ogre::PSSMShadowCameraSetup::SplitPointList splitPointList = pssmSetup->getSplitPoints();
splitPointList[0] = 1.0;
splitPointList[1] = 95.0;
splitPointList[2] = 255.0;
splitPointList[3] = 512.0;
pssmSetup->setSplitPoints(splitPointList);
Ogre::Vector4 splitPoints;
for (int i = 0; i < PSSM_Shadows.ShadowsTextureNum; ++i)
splitPoints[i] = splitPointList[i];
MaterialPtr mat = MaterialManager::getSingleton().getByName("RoR/Managed_Mats/Base");
mat->getTechnique("ShadowTechnique")->getPass(0)->getFragmentProgramParameters()->setNamedConstant("pssmSplitPoints", splitPoints);
// TODO: fix this
/* setMaterialSplitPoints("road", splitPoints);
setMaterialSplitPoints("road2", splitPoints);
*/
if (matProfile && terrain)
{
matProfile->generateForCompositeMap(terrain);
matProfile->setReceiveDynamicShadowsDepth(PSSM_Shadows.mDepthShadows);
matProfile->setReceiveDynamicShadowsPSSM(static_cast<Ogre::PSSMShadowCameraSetup*>(PSSM_Shadows.mPSSMSetup.get()));
}
}