void Shader::setTexture(std::string name, std::string parameterName)
{
TextureUnitState* texture = getPass()->createTextureUnitState(name);
texture->setTextureNameAlias(parameterName);
texture->setName(parameterName);
}
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);
}