//-----------------------------------------------------------------------
bool IntegratedPSSM3::preAddToRenderState(const RenderState* renderState,
Pass* srcPass, Pass* dstPass)
{
if (srcPass->getLightingEnabled() == false ||
srcPass->getParent()->getParent()->getReceiveShadows() == false)
return false;
ShadowTextureParamsIterator it = mShadowTextureParamsList.begin();
while(it != mShadowTextureParamsList.end())
{
TextureUnitState* curShadowTexture = dstPass->createTextureUnitState();
curShadowTexture->setContentType(TextureUnitState::CONTENT_SHADOW);
curShadowTexture->setTextureAddressingMode(TextureUnitState::TAM_BORDER);
curShadowTexture->setTextureBorderColour(ColourValue::White);
it->mTextureSamplerIndex = dstPass->getNumTextureUnitStates() - 1;
++it;
}
return true;
}
//---------------------------------------------------------------------
void TerrainMaterialGeneratorA::SM2Profile::addTechnique(
const MaterialPtr& mat, const Terrain* terrain, TechniqueType tt)
{
Technique* tech = mat->createTechnique();
// Only supporting one pass
Pass* pass = tech->createPass();
GpuProgramManager& gmgr = GpuProgramManager::getSingleton();
HighLevelGpuProgramManager& hmgr = HighLevelGpuProgramManager::getSingleton();
if (!mShaderGen)
{
bool check2x = mLayerNormalMappingEnabled || mLayerParallaxMappingEnabled;
if (hmgr.isLanguageSupported("cg"))
{
mShaderGen = OGRE_NEW ShaderHelperCg();
}
else if (hmgr.isLanguageSupported("hlsl") &&
((check2x && gmgr.isSyntaxSupported("ps_4_0")) ||
(check2x && gmgr.isSyntaxSupported("ps_2_x")) ||
(!check2x && gmgr.isSyntaxSupported("ps_2_0"))))
{
mShaderGen = OGRE_NEW ShaderHelperHLSL();
}
else if (hmgr.isLanguageSupported("glsl"))
{
mShaderGen = OGRE_NEW ShaderHelperGLSL();
}
else if (hmgr.isLanguageSupported("glsles"))
{
mShaderGen = OGRE_NEW ShaderHelperGLSLES();
}
// check SM3 features
mSM3Available = GpuProgramManager::getSingleton().isSyntaxSupported("ps_3_0");
mSM4Available = GpuProgramManager::getSingleton().isSyntaxSupported("ps_4_0");
}
HighLevelGpuProgramPtr vprog = mShaderGen->generateVertexProgram(this, terrain, tt);
HighLevelGpuProgramPtr fprog = mShaderGen->generateFragmentProgram(this, terrain, tt);
pass->setVertexProgram(vprog->getName());
pass->setFragmentProgram(fprog->getName());
if (tt == HIGH_LOD || tt == RENDER_COMPOSITE_MAP)
{
// global normal map
TextureUnitState* tu = pass->createTextureUnitState();
tu->setTextureName(terrain->getTerrainNormalMap()->getName());
tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
// global colour map
if (terrain->getGlobalColourMapEnabled() && isGlobalColourMapEnabled())
{
tu = pass->createTextureUnitState(terrain->getGlobalColourMap()->getName());
tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
}
// light map
if (isLightmapEnabled())
{
tu = pass->createTextureUnitState(terrain->getLightmap()->getName());
tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
}
// blend maps
uint maxLayers = getMaxLayers(terrain);
uint numBlendTextures = std::min(terrain->getBlendTextureCount(maxLayers), terrain->getBlendTextureCount());
uint numLayers = std::min(maxLayers, static_cast<uint>(terrain->getLayerCount()));
for (uint i = 0; i < numBlendTextures; ++i)
{
tu = pass->createTextureUnitState(terrain->getBlendTextureName(i));
tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
}
// layer textures
for (uint i = 0; i < numLayers; ++i)
{
// diffuse / specular
pass->createTextureUnitState(terrain->getLayerTextureName(i, 0));
// normal / height
pass->createTextureUnitState(terrain->getLayerTextureName(i, 1));
}
}
else
{
// LOW_LOD textures
// composite map
TextureUnitState* tu = pass->createTextureUnitState();
tu->setTextureName(terrain->getCompositeMap()->getName());
tu->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
// That's it!
}
// Add shadow textures (always at the end)
if (isShadowingEnabled(tt, terrain))
{
uint numTextures = 1;
if (getReceiveDynamicShadowsPSSM())
{
numTextures = (uint)getReceiveDynamicShadowsPSSM()->getSplitCount();
}
for (uint i = 0; i < numTextures; ++i)
{
TextureUnitState* tu = pass->createTextureUnitState();
tu->setContentType(TextureUnitState::CONTENT_SHADOW);
tu->setTextureAddressingMode(TextureUnitState::TAM_BORDER);
tu->setTextureBorderColour(ColourValue::White);
}
}
}
void NIFLoader::createMaterial(const String &name,
const Vector &ambient,
const Vector &diffuse,
const Vector &specular,
const Vector &emissive,
float glossiness, float alpha,
int alphaFlags, float alphaTest,
const String &texName)
{
MaterialPtr material = MaterialManager::getSingleton().create(name, resourceGroup);
//Hardware Skinning code, textures may be the wrong color if enabled
/* if(!mSkel.isNull()){
material->removeAllTechniques();
Ogre::Technique* tech = material->createTechnique();
//tech->setSchemeName("blahblah");
Pass* pass = tech->createPass();
pass->setVertexProgram("Ogre/BasicVertexPrograms/AmbientOneTexture");*/
// This assigns the texture to this material. If the texture name is
// a file name, and this file exists (in a resource directory), it
// will automatically be loaded when needed. If not (such as for
// internal NIF textures that we might support later), we should
// already have inserted a manual loader for the texture.
if (!texName.empty())
{
Pass *pass = material->getTechnique(0)->getPass(0);
/*TextureUnitState *txt =*/
pass->createTextureUnitState(texName);
pass->setVertexColourTracking(TVC_DIFFUSE);
// As of yet UNTESTED code from Chris:
/*pass->setTextureFiltering(Ogre::TFO_ANISOTROPIC);
pass->setDepthFunction(Ogre::CMPF_LESS_EQUAL);
pass->setDepthCheckEnabled(true);
// Add transparency if NiAlphaProperty was present
if (alphaFlags != -1)
{
std::cout << "Alpha flags set!" << endl;
if ((alphaFlags&1))
{
pass->setDepthWriteEnabled(false);
pass->setSceneBlending(getBlendFactor((alphaFlags>>1)&0xf),
getBlendFactor((alphaFlags>>5)&0xf));
}
else
pass->setDepthWriteEnabled(true);
if ((alphaFlags>>9)&1)
pass->setAlphaRejectSettings(getTestMode((alphaFlags>>10)&0x7),
alphaTest);
pass->setTransparentSortingEnabled(!((alphaFlags>>13)&1));
}
else
pass->setDepthWriteEnabled(true); */
// Add transparency if NiAlphaProperty was present
if (alphaFlags != -1)
{
// The 237 alpha flags are by far the most common. Check
// NiAlphaProperty in nif/property.h if you need to decode
// other values. 237 basically means normal transparencly.
if (alphaFlags == 237)
{
NifOverrides::TransparencyResult result = NifOverrides::Overrides::getTransparencyOverride(texName);
if (result.first)
{
pass->setAlphaRejectFunction(CMPF_GREATER_EQUAL);
pass->setAlphaRejectValue(result.second);
}
else
{
// Enable transparency
pass->setSceneBlending(SBT_TRANSPARENT_ALPHA);
//pass->setDepthCheckEnabled(false);
pass->setDepthWriteEnabled(false);
//std::cout << "alpha 237; material: " << name << " texName: " << texName << std::endl;
}
}
else
warn("Unhandled alpha setting for texture " + texName);
}
else
{
material->getTechnique(0)->setShadowCasterMaterial("depth_shadow_caster_noalpha");
}
}
if (Settings::Manager::getBool("enabled", "Shadows"))
{
bool split = Settings::Manager::getBool("split", "Shadows");
const int numsplits = 3;
for (int i = 0; i < (split ? numsplits : 1); ++i)
{
TextureUnitState* tu = material->getTechnique(0)->getPass(0)->createTextureUnitState();
tu->setName("shadowMap" + StringConverter::toString(i));
tu->setContentType(TextureUnitState::CONTENT_SHADOW);
tu->setTextureAddressingMode(TextureUnitState::TAM_BORDER);
tu->setTextureBorderColour(ColourValue::White);
}
}
if (Settings::Manager::getBool("shaders", "Objects"))
{
material->getTechnique(0)->getPass(0)->setVertexProgram("main_vp");
material->getTechnique(0)->getPass(0)->setFragmentProgram("main_fp");
material->getTechnique(0)->getPass(0)->setFog(true); // force-disable fixed function fog, it is calculated in shader
}
// Create a fallback technique without shadows and without mrt
Technique* tech2 = material->createTechnique();
tech2->setSchemeName("Fallback");
Pass* pass2 = tech2->createPass();
pass2->createTextureUnitState(texName);
pass2->setVertexColourTracking(TVC_DIFFUSE);
if (Settings::Manager::getBool("shaders", "Objects"))
{
pass2->setVertexProgram("main_fallback_vp");
pass2->setFragmentProgram("main_fallback_fp");
pass2->setFog(true); // force-disable fixed function fog, it is calculated in shader
}
// Add material bells and whistles
material->setAmbient(ambient.array[0], ambient.array[1], ambient.array[2]);
material->setDiffuse(diffuse.array[0], diffuse.array[1], diffuse.array[2], alpha);
material->setSpecular(specular.array[0], specular.array[1], specular.array[2], alpha);
material->setSelfIllumination(emissive.array[0], emissive.array[1], emissive.array[2]);
material->setShininess(glossiness);
}