void MaterialInstance::save (std::ofstream& stream)
{
stream << "material " << mName << "\n"
<< "{\n";
if (mParent)
{
stream << "\t" << "parent " << static_cast<MaterialInstance*>(mParent)->getName() << "\n";
}
const PropertyMap& properties = listProperties ();
for (PropertyMap::const_iterator it = properties.begin(); it != properties.end(); ++it)
{
stream << "\t" << it->first << " " << retrieveValue<StringValue>(getProperty(it->first), NULL).get() << "\n";
}
for (PassVector::iterator it = mPasses.begin(); it != mPasses.end(); ++it)
{
stream << "\tpass" << '\n';
stream << "\t{" << '\n';
it->save(stream);
stream << "\t}" << '\n';
}
stream << "}\n";
}
void MaterialInstance::createForConfiguration (const std::string& configuration)
{
bool res = mMaterial->createConfiguration(configuration);
if (!res)
return; // listener was false positive
if (mListener)
mListener->requestedConfiguration (this, configuration);
mFactory->setActiveConfiguration (configuration);
bool allowFixedFunction = true;
if (!mShadersEnabled && hasProperty("allow_fixed_function"))
{
allowFixedFunction = retrieveValue<BooleanValue>(getProperty("allow_fixed_function"), NULL).get();
}
// get passes of the top-most parent
PassVector passes = getPasses();
for (PassVector::iterator it = passes.begin(); it != passes.end(); ++it)
{
boost::shared_ptr<Pass> pass = mMaterial->createPass (configuration);
it->copyAll (pass.get(), this);
// texture samplers used in the shaders
std::vector<std::string> usedTextureSamplersVertex;
std::vector<std::string> usedTextureSamplersFragment;
PropertySetGet* context = this;
// create or retrieve shaders
if (mShadersEnabled || !allowFixedFunction)
{
it->setContext(context);
it->mShaderProperties.setContext(context);
if (it->hasProperty("vertex_program"))
{
ShaderSet* vertex = mFactory->getShaderSet(retrieveValue<StringValue>(it->getProperty("vertex_program"), context).get());
ShaderInstance* v = vertex->getInstance(&it->mShaderProperties);
if (v)
{
pass->assignProgram (GPT_Vertex, v->getName());
v->setUniformParameters (pass, &it->mShaderProperties);
std::vector<std::string> sharedParams = v->getSharedParameters ();
for (std::vector<std::string>::iterator it = sharedParams.begin(); it != sharedParams.end(); ++it)
{
pass->addSharedParameter (GPT_Vertex, *it);
}
std::vector<std::string> vector = v->getUsedSamplers ();
usedTextureSamplersVertex.insert(usedTextureSamplersVertex.end(), vector.begin(), vector.end());
}
}
if (it->hasProperty("fragment_program"))
{
ShaderSet* fragment = mFactory->getShaderSet(retrieveValue<StringValue>(it->getProperty("fragment_program"), context).get());
ShaderInstance* f = fragment->getInstance(&it->mShaderProperties);
if (f)
{
pass->assignProgram (GPT_Fragment, f->getName());
f->setUniformParameters (pass, &it->mShaderProperties);
std::vector<std::string> sharedParams = f->getSharedParameters ();
for (std::vector<std::string>::iterator it = sharedParams.begin(); it != sharedParams.end(); ++it)
{
pass->addSharedParameter (GPT_Fragment, *it);
}
std::vector<std::string> vector = f->getUsedSamplers ();
usedTextureSamplersFragment.insert(usedTextureSamplersFragment.end(), vector.begin(), vector.end());
}
}
}
// create texture units
std::vector<MaterialInstanceTextureUnit> texUnits = it->getTexUnits();
int i=0;
for (std::vector<MaterialInstanceTextureUnit>::iterator texIt = texUnits.begin(); texIt != texUnits.end(); ++texIt )
{
// only create those that are needed by the shader, OR those marked to be created in fixed function pipeline if shaders are disabled
bool foundVertex = std::find(usedTextureSamplersVertex.begin(), usedTextureSamplersVertex.end(), texIt->getName()) != usedTextureSamplersVertex.end();
bool foundFragment = std::find(usedTextureSamplersFragment.begin(), usedTextureSamplersFragment.end(), texIt->getName()) != usedTextureSamplersFragment.end();
if ( (foundVertex || foundFragment)
|| ((!mShadersEnabled && allowFixedFunction) && texIt->hasProperty("create_in_ffp") && retrieveValue<BooleanValue>(texIt->getProperty("create_in_ffp"), this).get()))
{
boost::shared_ptr<TextureUnitState> texUnit = pass->createTextureUnitState ();
texIt->copyAll (texUnit.get(), context);
mTexUnits.push_back(texUnit);
// set texture unit indices (required by GLSL)
if (mShadersEnabled && mFactory->getCurrentLanguage () == Language_GLSL)
{
pass->setTextureUnitIndex (foundVertex ? GPT_Vertex : GPT_Fragment, texIt->getName(), i);
++i;
}
}
}
}
}
bool MaterialInstance::createForConfiguration (const std::string& configuration, unsigned short lodIndex)
{
if (mFailedToCreate)
return false;
try{
mMaterial->ensureLoaded();
bool res = mMaterial->createConfiguration(configuration, lodIndex);
if (!res)
return false; // listener was false positive
if (mListener)
mListener->requestedConfiguration (this, configuration);
mFactory->setActiveConfiguration (configuration);
mFactory->setActiveLodLevel (lodIndex);
bool allowFixedFunction = true;
if (!mShadersEnabled && hasProperty("allow_fixed_function"))
{
allowFixedFunction = retrieveValue<BooleanValue>(getProperty("allow_fixed_function"), NULL).get();
}
bool useShaders = mShadersEnabled || !allowFixedFunction;
// get passes of the top-most parent
PassVector* passes = getParentPasses();
if (passes->empty())
throw std::runtime_error ("material \"" + mName + "\" does not have any passes");
for (PassVector::iterator it = passes->begin(); it != passes->end(); ++it)
{
boost::shared_ptr<Pass> pass = mMaterial->createPass (configuration, lodIndex);
it->copyAll (pass.get(), this);
// texture samplers used in the shaders
std::vector<std::string> usedTextureSamplersVertex;
std::vector<std::string> usedTextureSamplersFragment;
PropertySetGet* context = this;
// create or retrieve shaders
bool hasVertex = it->hasProperty("vertex_program")
&& !retrieveValue<StringValue>(it->getProperty("vertex_program"), context).get().empty();
bool hasFragment = it->hasProperty("fragment_program")
&& !retrieveValue<StringValue>(it->getProperty("fragment_program"), context).get().empty();
if (useShaders)
{
it->setContext(context);
it->mShaderProperties.setContext(context);
if (hasVertex)
{
ShaderSet* vertex = mFactory->getShaderSet(retrieveValue<StringValue>(it->getProperty("vertex_program"), context).get());
ShaderInstance* v = vertex->getInstance(&it->mShaderProperties);
if (v)
{
pass->assignProgram (GPT_Vertex, v->getName());
v->setUniformParameters (pass, &it->mShaderProperties);
std::vector<std::string> sharedParams = v->getSharedParameters ();
for (std::vector<std::string>::iterator it2 = sharedParams.begin(); it2 != sharedParams.end(); ++it2)
{
pass->addSharedParameter (GPT_Vertex, *it2);
}
std::vector<std::string> vector = v->getUsedSamplers ();
usedTextureSamplersVertex.insert(usedTextureSamplersVertex.end(), vector.begin(), vector.end());
}
}
if (hasFragment)
{
ShaderSet* fragment = mFactory->getShaderSet(retrieveValue<StringValue>(it->getProperty("fragment_program"), context).get());
ShaderInstance* f = fragment->getInstance(&it->mShaderProperties);
if (f)
{
pass->assignProgram (GPT_Fragment, f->getName());
f->setUniformParameters (pass, &it->mShaderProperties);
std::vector<std::string> sharedParams = f->getSharedParameters ();
for (std::vector<std::string>::iterator it2 = sharedParams.begin(); it2 != sharedParams.end(); ++it2)
{
pass->addSharedParameter (GPT_Fragment, *it2);
}
std::vector<std::string> vector = f->getUsedSamplers ();
usedTextureSamplersFragment.insert(usedTextureSamplersFragment.end(), vector.begin(), vector.end());
}
}
}
// create texture units
std::vector<MaterialInstanceTextureUnit>* texUnits = &it->mTexUnits;
int i=0;
for (std::vector<MaterialInstanceTextureUnit>::iterator texIt = texUnits->begin(); texIt != texUnits->end(); ++texIt )
{
// only create those that are needed by the shader, OR those marked to be created in fixed function pipeline if shaders are disabled
bool foundVertex = std::find(usedTextureSamplersVertex.begin(), usedTextureSamplersVertex.end(), texIt->getName()) != usedTextureSamplersVertex.end();
bool foundFragment = std::find(usedTextureSamplersFragment.begin(), usedTextureSamplersFragment.end(), texIt->getName()) != usedTextureSamplersFragment.end();
if ( (foundVertex || foundFragment)
|| (((!useShaders || (!hasVertex || !hasFragment)) && allowFixedFunction) && texIt->hasProperty("create_in_ffp") && retrieveValue<BooleanValue>(texIt->getProperty("create_in_ffp"), this).get()))
{
boost::shared_ptr<TextureUnitState> texUnit = pass->createTextureUnitState (texIt->getName());
texIt->copyAll (texUnit.get(), context);
mTexUnits.push_back(texUnit);
// set texture unit indices (required by GLSL)
if (useShaders && ((hasVertex && foundVertex) || (hasFragment && foundFragment)) && mFactory->getCurrentLanguage () == Language_GLSL)
{
pass->setTextureUnitIndex (foundVertex ? GPT_Vertex : GPT_Fragment, texIt->getName(), i);
++i;
}
}
}
}
if (mListener)
mListener->createdConfiguration (this, configuration);
return true;
} catch (std::runtime_error& e)
{
destroyAll();
mFailedToCreate = true;
std::stringstream msg;
msg << "Error while creating material " << mName << ": " << e.what();
std::cerr << msg.str() << std::endl;
mFactory->logError(msg.str());
return false;
}
}