/**
* Destroy / unload the memory of a material
* @param mat MaterialName
*/
void GUIHelper::destroyMaterial(const Ogre::String &matName)
{
Ogre::MaterialPtr mat = Ogre::MaterialManager::getSingleton().getByName(matName);
if(mat.isNull()) return;
Ogre::Material::TechniqueIterator tit = mat->getTechniqueIterator();
while(tit.hasMoreElements()){
Ogre::Technique *t = tit.peekNext();
ASSERT(t);
Ogre::Technique::PassIterator pit = t->getPassIterator();
while(pit.hasMoreElements()){
Ogre::Pass *pass = pit.peekNext();
ASSERT(pass);
Ogre::Pass::TextureUnitStateIterator tuit =
pass->getTextureUnitStateIterator();
while(tuit.hasMoreElements()){
Ogre::TextureUnitState *tus = tuit.peekNext();
ASSERT(tus);
const Ogre::String &textName = tus->getTextureName();
Ogre::TextureManager::getSingleton().unload(textName);
Ogre::TextureManager::getSingleton().remove(textName);
tuit.moveNext();
}
pit.moveNext();
}
tit.moveNext();
}
Ogre::MaterialManager::getSingleton().unload(matName);
Ogre::MaterialManager::getSingleton().remove(matName);
}
void ReplaceTextureOnMaterial(Ogre::MaterialPtr material, const std::string& original_name, const std::string& texture_name)
{
if (material.isNull())
return;
Ogre::TextureManager &tm = Ogre::TextureManager::getSingleton();
Ogre::TexturePtr tex = tm.getByName(texture_name);
Ogre::Material::TechniqueIterator iter = material->getTechniqueIterator();
while(iter.hasMoreElements())
{
Ogre::Technique *tech = iter.getNext();
assert(tech);
Ogre::Technique::PassIterator passIter = tech->getPassIterator();
while(passIter.hasMoreElements())
{
Ogre::Pass *pass = passIter.getNext();
Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
while(texIter.hasMoreElements())
{
Ogre::TextureUnitState *texUnit = texIter.getNext();
if (texUnit->getTextureName() == original_name)
{
if (tex.get())
texUnit->setTextureName(texture_name);
else
texUnit->setTextureName("TextureMissing.png");
}
}
}
}
}
GBufferSchemeHandler::PassProperties GBufferSchemeHandler::inspectPass(
Ogre::Pass* pass, unsigned short lodIndex, const Ogre::Renderable* rend)
{
PassProperties props;
//TODO : Use renderable to indicate whether this has skinning.
//Probably use same const cast that renderSingleObject uses.
if (pass->hasVertexProgram())
{
props.isSkinned = pass->getVertexProgram()->isSkeletalAnimationIncluded();
}
else
{
props.isSkinned = false;
}
for (unsigned short i=0; i<pass->getNumTextureUnitStates(); i++)
{
Ogre::TextureUnitState* tus = pass->getTextureUnitState(i);
Ogre::String texName = tus->getTextureName();
if (!checkNormalMap(tus, props))
{
props.regularTextures.push_back(tus);
}
if (tus->getEffects().size() > 0)
{
props.isDeferred = false;
}
}
if (pass->getDiffuse() != Ogre::ColourValue::White)
{
props.hasDiffuseColour = true;
}
//Check transparency
if (pass->getDestBlendFactor() != Ogre::SBF_ZERO)
{
//TODO : Better ways to do this
props.isDeferred = false;
}
return props;
}
void GetTextureNamesFromMaterial(Ogre::MaterialPtr material, StringVector& textures)
{
textures.clear();
if (material.isNull())
return;
// Use a set internally to avoid duplicates
std::set<std::string> textures_set;
Ogre::Material::TechniqueIterator iter = material->getTechniqueIterator();
while(iter.hasMoreElements())
{
Ogre::Technique *tech = iter.getNext();
assert(tech);
Ogre::Technique::PassIterator passIter = tech->getPassIterator();
while(passIter.hasMoreElements())
{
Ogre::Pass *pass = passIter.getNext();
Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
while(texIter.hasMoreElements())
{
Ogre::TextureUnitState *texUnit = texIter.getNext();
const std::string& texname = texUnit->getTextureName();
if (!texname.empty())
textures_set.insert(texname);
}
}
}
std::set<std::string>::iterator i = textures_set.begin();
while (i != textures_set.end())
{
textures.push_back(*i);
++i;
}
}
// unload all about this mesh. The mesh itself and the textures.
// BETWEEN FRAME OPERATION
void VisCalcFrustDist::unloadTheMesh(Ogre::MeshPtr meshP) {
if (m_shouldCullTextures) {
Ogre::Mesh::SubMeshIterator smi = meshP->getSubMeshIterator();
while (smi.hasMoreElements()) {
Ogre::SubMesh* oneSubMesh = smi.getNext();
Ogre::String subMeshMaterialName = oneSubMesh->getMaterialName();
Ogre::MaterialPtr subMeshMaterial = (Ogre::MaterialPtr)Ogre::MaterialManager::getSingleton().getByName(subMeshMaterialName);
if (!subMeshMaterial.isNull()) {
Ogre::Material::TechniqueIterator techIter = subMeshMaterial->getTechniqueIterator();
while (techIter.hasMoreElements()) {
Ogre::Technique* oneTech = techIter.getNext();
Ogre::Technique::PassIterator passIter = oneTech->getPassIterator();
while (passIter.hasMoreElements()) {
Ogre::Pass* onePass = passIter.getNext();
Ogre::Pass::TextureUnitStateIterator tusIter = onePass->getTextureUnitStateIterator();
while (tusIter.hasMoreElements()) {
Ogre::TextureUnitState* oneTus = tusIter.getNext();
Ogre::String texName = oneTus->getTextureName();
Ogre::TexturePtr texP = (Ogre::TexturePtr)Ogre::TextureManager::getSingleton().getByName(texName);
if (!texP.isNull()) {
// if (texP.useCount() <= 1) {
texP->unload();
LG::IncStat(LG::StatCullTexturesUnloaded);
// LG::Log("unloadTheMesh: unloading texture %s", texName.c_str());
// }
}
}
}
}
}
}
}
if (m_shouldCullMeshes) {
LG::OLMeshTracker::Instance()->MakeUnLoaded(meshP->getName(), Ogre::String(), NULL);
LG::IncStat(LG::StatCullMeshesUnloaded);
// LG::Log("unloadTheMesh: unloading mesh %s", mshName.c_str());
}
}
//-----------------------------------------------------------------------
void RTShaderSRSSegmentedLights::updateGpuProgramsParams(Renderable* rend, Pass* pass, const AutoParamDataSource* source,
const LightList* pLightList)
{
if ((mLightParamsList.empty()) && (!mUseSegmentedLightTexture))
return;
const Matrix4& matWorld = source->getWorldMatrix();
Light::LightTypes curLightType = Light::LT_DIRECTIONAL;
unsigned int curSearchLightIndex = 0;
//update spot strength
float spotIntensity = 1;
// Update per light parameters.
for (unsigned int i=0; i < mLightParamsList.size(); ++i)
{
const LightParams& curParams = mLightParamsList[i];
if (curLightType != curParams.mType)
{
curLightType = curParams.mType;
curSearchLightIndex = 0;
}
Light* srcLight = NULL;
Vector4 vParameter;
ColourValue colour;
// Search a matching light from the current sorted lights of the given renderable.
for (unsigned int j = curSearchLightIndex; j < pLightList->size(); ++j)
{
if (pLightList->at(j)->getType() == curLightType)
{
srcLight = pLightList->at(j);
curSearchLightIndex = j + 1;
break;
}
}
// No matching light found -> use a blank dummy light for parameter update.
if (srcLight == NULL)
{
srcLight = &msBlankLight;
}
switch (curParams.mType)
{
case Light::LT_DIRECTIONAL:
// Update light direction.
vParameter = matWorld.transformAffine(srcLight->getAs4DVector(true));
curParams.mDirection->setGpuParameter(vParameter.ptr(),3,1);
break;
case Light::LT_POINT:
// Update light position.
vParameter = matWorld.transformAffine(srcLight->getAs4DVector(true));
curParams.mPosition->setGpuParameter(vParameter.ptr(),3,1);
// Update light attenuation parameters.
curParams.mSpotParams->setGpuParameter(Ogre::Vector3(1 / srcLight->getAttenuationRange(),0,0));
break;
case Light::LT_SPOTLIGHT:
{
Ogre::Vector3 vec3;
Ogre::Matrix3 matWorldIT;
// Update light position.
vParameter = matWorld.transformAffine(srcLight->getAs4DVector(true));
curParams.mPosition->setGpuParameter(vParameter.ptr(),3,1);
// Update light direction.
source->getInverseTransposeWorldMatrix().extract3x3Matrix(matWorldIT);
vec3 = matWorldIT * srcLight->getDerivedDirection();
vec3.normalise();
vParameter.x = -vec3.x;
vParameter.y = -vec3.y;
vParameter.z = -vec3.z;
vParameter.w = 0.0;
curParams.mDirection->setGpuParameter(vParameter.ptr(),3,1);
// Update spotlight parameters.
Real phi = Math::Cos(srcLight->getSpotlightOuterAngle().valueRadians() * 0.5f);
Real theta = Math::Cos(srcLight->getSpotlightInnerAngle().valueRadians() * 0.5f);
vec3.x = 1 / srcLight->getAttenuationRange();
vec3.y = phi;
vec3.z = 1 / (theta - phi);
curParams.mSpotParams->setGpuParameter(vec3);
}
break;
}
float lightIntensity = 1;
if (curParams.mType == Light::LT_SPOTLIGHT)
{
lightIntensity = spotIntensity;
}
// Update diffuse colour.
colour = srcLight->getDiffuseColour() * lightIntensity;
if ((mTrackVertexColourType & TVC_DIFFUSE) == 0)
{
colour = colour * pass->getDiffuse();
}
curParams.mDiffuseColour->setGpuParameter(colour.ptr(),3,1);
// Update specular colour if need to.
if ((mSpecularEnable) && (curParams.mType == Light::LT_DIRECTIONAL))
{
// Update diffuse colour.
colour = srcLight->getSpecularColour() * lightIntensity;
if ((mTrackVertexColourType & TVC_SPECULAR) == 0)
{
colour = colour * pass->getSpecular();
}
curParams.mSpecularColour->setGpuParameter(colour.ptr(),3,1);
}
}
if (mUseSegmentedLightTexture)
{
unsigned int indexStart = 0, indexEnd = 0;
Ogre::Vector4 lightBounds;
SegmentedDynamicLightManager::getSingleton().getLightListRange(rend, lightBounds, indexStart, indexEnd);
mPSLightTextureIndexLimit->setGpuParameter(Ogre::Vector2((Ogre::Real)indexStart, (Ogre::Real)indexEnd));
mPSLightTextureLightBounds->setGpuParameter(lightBounds);
Ogre::TextureUnitState* pLightTexture = pass->getTextureUnitState(mLightSamplerIndex);
const Ogre::String& textureName = SegmentedDynamicLightManager::getSingleton().getSDLTextureName();
if (textureName != pLightTexture->getTextureName())
{
pLightTexture->setTextureName(textureName, Ogre::TEX_TYPE_2D);
}
}
}
//-----------------------------------------------------------------------
void ParticleRenderer::_createSoftMaterial(void)
{
Ogre::String newMaterialName = SOFT_PREFIX + mParentTechnique->getMaterialName();
if (!Ogre::MaterialManager::getSingletonPtr()->getByName(newMaterialName).isNull())
{
mParentTechnique->setMaterialName(newMaterialName);
return;
}
// Create a new material for soft particles
if (mUseSoftParticles && mNotifiedDepthMap)
{
// Create Vertex program
Ogre::String softVertexName = "ParticleUniverse_SoftVP"; // Use ParticleUniverse_ to avoid name conflicts.
Ogre::HighLevelGpuProgramPtr vertexProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(
softVertexName,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl",
Ogre::GPT_VERTEX_PROGRAM);
vertexProgram->setSourceFile("pu_soft_sm20.hlsl");
vertexProgram->setParameter("target", "vs_2_0");
vertexProgram->setParameter("entry_point", "mainVP"); // Must be same name as in pu_soft_sm20.hlsl
vertexProgram->load();
Ogre::String softFragmentName = "ParticleUniverse_SoftFP"; // Use ParticleUniverse_ to avoid name conflicts.
Ogre::HighLevelGpuProgramPtr fragmentProgram = Ogre::HighLevelGpuProgramManager::getSingleton().createProgram(
softFragmentName,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
"hlsl",
Ogre::GPT_FRAGMENT_PROGRAM);
fragmentProgram->setSourceFile("pu_soft_sm20.hlsl");
fragmentProgram->setParameter("target", "ps_2_0");
fragmentProgram->setParameter("entry_point", "mainFP"); // Must be same name as in pu_soft_sm20.hlsl
fragmentProgram->load();
Ogre::String resourceGroupName = mParentTechnique->getParentSystem() ?
mParentTechnique->getParentSystem()->getResourceGroupName() :
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME;
// Create material with depth texture
Ogre::MaterialPtr newMaterial = Ogre::MaterialManager::getSingleton().getByName(newMaterialName);
if (!newMaterial.getPointer())
{
newMaterial = Ogre::MaterialManager::getSingleton().create(newMaterialName, resourceGroupName);
Ogre::Pass* newPass = newMaterial->getTechnique(0)->getPass(0);
newPass->setDepthCheckEnabled(true);
newPass->setDepthWriteEnabled(false);
newPass->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA);
newPass->createTextureUnitState(ParticleSystemManager::getSingleton().getDepthTextureName());
// Get the first texture from the old material (assume it has at least 1 technique and one pass)
Ogre::Pass* oldPass = mParentTechnique->getMaterial()->getBestTechnique()->getPass(0);
newPass->setLightingEnabled(oldPass->getLightingEnabled());
if (oldPass->getNumTextureUnitStates() > 0)
{
Ogre::TextureUnitState* oldTextureUnitState = oldPass->getTextureUnitState(0);
newPass->createTextureUnitState(oldTextureUnitState->getTextureName());
}
// Set the vertex and fragment parameters
newPass->setVertexProgram(softVertexName);
newPass->setFragmentProgram(softFragmentName);
Ogre::GpuProgramParametersSharedPtr vertexParams = newPass->getVertexProgramParameters();
vertexParams->setNamedAutoConstant("worldViewProj", Ogre::GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
vertexParams->setNamedAutoConstant("depthRange", Ogre::GpuProgramParameters::ACT_SCENE_DEPTH_RANGE);
// Depth scale must be the same as used in creation of the depth map
vertexParams->setNamedConstant("depthScale", ParticleSystemManager::getSingleton().getDepthScale());
Ogre::GpuProgramParametersSharedPtr fragmentParams = newPass->getFragmentProgramParameters();
fragmentParams->setNamedConstant("contrastPower", mSoftParticlesContrastPower);
fragmentParams->setNamedConstant("scale", mSoftParticlesScale);
fragmentParams->setNamedConstant("delta", mSoftParticlesDelta);
}
// Set the new material
mParentTechnique->setMaterialName(newMaterialName);
}
}
bool OgreMaterialResource::SetData(Foundation::AssetPtr source)
{
// Remove old material if any
RemoveMaterial();
references_.clear();
original_textures_.clear();
Ogre::MaterialManager& matmgr = Ogre::MaterialManager::getSingleton();
OgreRenderingModule::LogDebug("Parsing material " + source->GetId());
if (!source)
{
OgreRenderingModule::LogError("Null source asset data pointer");
return false;
}
if (!source->GetSize())
{
OgreRenderingModule::LogError("Zero sized material asset");
return false;
}
Ogre::DataStreamPtr data = Ogre::DataStreamPtr(new Ogre::MemoryDataStream(const_cast<u8 *>(source->GetData()), source->GetSize()));
static int tempname_count = 0;
tempname_count++;
std::string tempname = "TempMat" + ToString<int>(tempname_count);
try
{
int num_materials = 0;
int brace_level = 0;
bool skip_until_next = false;
int skip_brace_level = 0;
// Parsed/modified material script
std::ostringstream output;
while (!data->eof())
{
Ogre::String line = data->getLine();
// Skip empty lines & comments
if ((line.length()) && (line.substr(0, 2) != "//"))
{
// Process opening/closing braces
if (!ResourceHandler::ProcessBraces(line, brace_level))
{
// If not a brace and on level 0, it should be a new material; replace name
if ((brace_level == 0) && (line.substr(0, 8) == "material"))
{
if (num_materials == 0)
{
line = "material " + tempname;
++num_materials;
}
else
{
OgreRenderingModule::LogWarning("More than one material defined in material asset " + source->GetId() + " - only first one supported");
break;
}
}
else
{
// Check for textures
if ((line.substr(0, 8) == "texture ") && (line.length() > 8))
{
std::string tex_name = line.substr(8);
// Note: we assume all texture references are asset based. ResourceHandler checks later whether this is true,
// before requesting the reference
references_.push_back(Foundation::ResourceReference(tex_name, OgreTextureResource::GetTypeStatic()));
original_textures_.push_back(tex_name);
// Replace any / with \ in the material, then change the texture names back later, so that Ogre does not go nuts
ReplaceCharInplace(line, '/', '\\');
ReplaceCharInplace(line, ':', '@');
}
}
// Write line to the modified copy
if (!skip_until_next)
output << line << std::endl;
}
else
{
// Write line to the modified copy
if (!skip_until_next)
output << line << std::endl;
if (brace_level <= skip_brace_level)
skip_until_next = false;
}
}
}
std::string output_str = output.str();
Ogre::DataStreamPtr modified_data = Ogre::DataStreamPtr(new Ogre::MemoryDataStream((u8 *)(&output_str[0]), output_str.size()));
matmgr.parseScript(modified_data, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::MaterialPtr tempmat;
tempmat = matmgr.getByName(tempname);
if (tempmat.isNull())
{
OgreRenderingModule::LogWarning(std::string("Failed to create an Ogre material from material asset ") +
source->GetId());
return false;
}
if(!tempmat->getNumTechniques())
{
OgreRenderingModule::LogWarning("Failed to create an Ogre material from material asset " +
source->GetId());
return false;
}
ogre_material_ = tempmat->clone(id_);
tempmat.setNull();
matmgr.remove(tempname);
if (ogre_material_.isNull())
{
OgreRenderingModule::LogWarning("Failed to create an Ogre material from material asset " +
source->GetId());
return false;
}
// Now go through all the texturenames and restore \ back to / and @ to :
Ogre::Material::TechniqueIterator iter = ogre_material_->getTechniqueIterator();
while (iter.hasMoreElements())
{
Ogre::Technique *tech = iter.getNext();
Ogre::Technique::PassIterator passIter = tech->getPassIterator();
while (passIter.hasMoreElements())
{
Ogre::Pass *pass = passIter.getNext();
Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
while (texIter.hasMoreElements())
{
Ogre::TextureUnitState *texUnit = texIter.getNext();
std::string texname = texUnit->getTextureName();
if (texname.find('\\') != std::string::npos)
{
ReplaceCharInplace(texname, '\\', '/');
ReplaceCharInplace(texname, '@', ':');
texUnit->setTextureName(texname);
}
}
}
}
//workaround: if receives shadows, check the amount of shadowmaps. If only 1 specified, add 2 more to support 3 shadowmaps
if(ogre_material_->getReceiveShadows() && shadowquality_ == Shadows_High && ogre_material_->getNumTechniques() > 0)
{
Ogre::Technique *tech = ogre_material_->getTechnique(0);
if(tech)
{
Ogre::Technique::PassIterator passiterator = tech->getPassIterator();
while(passiterator.hasMoreElements())
{
Ogre::Pass* pass = passiterator.getNext();
Ogre::Pass::TextureUnitStateIterator texiterator = pass->getTextureUnitStateIterator();
int shadowmaps = 0;
while(texiterator.hasMoreElements())
{
Ogre::TextureUnitState* state = texiterator.getNext();
if(state->getContentType() == Ogre::TextureUnitState::CONTENT_SHADOW)
{
shadowmaps++;
}
}
if(shadowmaps>0 && shadowmaps<3)
{
Ogre::TextureUnitState* sm2 = pass->createTextureUnitState();
sm2->setContentType(Ogre::TextureUnitState::CONTENT_SHADOW);
Ogre::TextureUnitState* sm3 = pass->createTextureUnitState();
sm3->setContentType(Ogre::TextureUnitState::CONTENT_SHADOW);
}
}
}
}
} catch (Ogre::Exception &e)
{
OgreRenderingModule::LogWarning(e.what());
OgreRenderingModule::LogWarning("Failed to parse Ogre material " + source->GetId() + ".");
try
{
if (!matmgr.getByName(tempname).isNull())
Ogre::MaterialManager::getSingleton().remove(tempname);
}
catch (...) {}
return false;
}
return true;
}
