void Material::update() {
if(!baseMaterial.isNull()) {
Ogre::ColourValue ambient = baseMaterial->getTechnique(0)->getPass(0)->getAmbient();
Ogre::ColourValue diffuse = baseMaterial->getTechnique(0)->getPass(0)->getDiffuse();
Ogre::ColourValue specular = baseMaterial->getTechnique(0)->getPass(0)->getSpecular();
Ogre::ColourValue emissive = baseMaterial->getTechnique(0)->getPass(0)->getEmissive();
float shininess = baseMaterial->getTechnique(0)->getPass(0)->getShininess();
GLuint tex = 0;
if(baseMaterial->getNumTechniques()!=0 && baseMaterial->getTechnique(0)->getNumPasses()!=0 && baseMaterial->getTechnique(0)->getPass(0)->getNumTextureUnitStates()!=0) {
Ogre::String texName = baseMaterial->getTechnique(0)->getPass(0)->getTextureUnitState(0)->getTextureName();
if(Ogre::TextureManager::getSingleton().resourceExists(texName)) {
Ogre::TexturePtr texPtr = Ogre::TextureManager::getSingleton().getByName(texName);
Ogre::Image img;
texPtr->convertToImage(img);
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().createManual(texPtr->getName()+"_optixformat", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, texPtr->getWidth(), texPtr->getHeight(), 0, Ogre::PF_FLOAT32_RGBA, Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
texture->loadImage(img);
tex = ((Ogre::GLTexturePtr)texture)->getGLID();
}
}
prepareMaterial(glm::vec3(ambient.r,ambient.g,ambient.b),
glm::vec3(diffuse.r,diffuse.g,diffuse.b),
glm::vec3(specular.r,specular.g,specular.b),
glm::vec3(emissive.r,emissive.g,emissive.b),
shininess,tex);
}
}
void ReliefApp::GenerateRelief()
{
//Get depth data
Ogre::TexturePtr depthTex = Ogre::TextureManager::getSingleton().createManual(
"DepthTexture", // name
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
Ogre::TEX_TYPE_2D, // type
512, // width
512, // height
0, // number of mipmaps
//Ogre::PF_B8G8R8A8, // pixel format
Ogre::PF_FLOAT32_R,
Ogre::TU_RENDERTARGET
);
Ogre::RenderTarget* pTarget = depthTex->getBuffer()->getRenderTarget();
Ogre::Camera* pOrthCam = MagicCore::RenderSystem::GetSingleton()->GetMainCamera();
pOrthCam->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
pOrthCam->setOrthoWindow(3, 3);
pOrthCam->setPosition(0, 0, 3);
pOrthCam->lookAt(0, 0, 0);
pOrthCam->setAspectRatio(1.0);
pOrthCam->setNearClipDistance(0.5);
pOrthCam->setFarClipDistance(5);
Ogre::Viewport* pViewport = pTarget->addViewport(pOrthCam);
pViewport->setDimensions(0, 0, 1, 1);
MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "Depth", mpLightMesh);
MagicCore::RenderSystem::GetSingleton()->Update();
Ogre::Image img;
depthTex->convertToImage(img);
std::vector<double> heightField(512 * 512);
for(int x = 0; x < 512; x++)
{
for(int y = 0; y < 512; y++)
{
heightField.at(x * 512 + y) = (img.getColourAt(x, 511 - y, 0))[1];
}
}
Ogre::TextureManager::getSingleton().remove("DepthTexture");
//
MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::PlaneReliefFromHeightField(heightField, 511, 511);
//MagicDGP::LightMesh3D* pReliefMesh = MagicDGP::ReliefGeneration::CylinderReliefFromHeightField(heightField, 511, 511);
if (pReliefMesh != NULL)
{
delete mpLightMesh;
mpLightMesh = pReliefMesh;
mpLightMesh->UnifyPosition(2);
mpLightMesh->UpdateNormal();
}
MagicCore::RenderSystem::GetSingleton()->SetupCameraDefaultParameter();
MagicCore::RenderSystem::GetSingleton()->RenderLightMesh3D("RenderMesh", "MyCookTorrance", mpLightMesh);
}
void Terrain::resourcesLoaded()
{
mTerrain = OGRE_NEW Ogre::Terrain( GlobalsBase::mScene );
Ogre::Terrain::ImportData imp;
Ogre::Image img;
switch( mHeightmapType )
{
case HEIGHTMAPTYPE_IMAGE:
{
Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().getByName(
mHeightmapFile.string(), mResourceManager.getGroup() );
texture->convertToImage( img );
imp.inputImage = &img;
imp.terrainSize = img.getWidth();
imp.inputScale = mInputScale;
break;
}
case HEIGHTMAPTYPE_RAW:
{
Ogre::DataStreamPtr stream = Ogre::ResourceGroupManager::getSingleton().openResource(
mHeightmapFile.string(), mResourceManager.getGroup() );
img.loadRawData( stream, 1025, 1025, Ogre::PF_FLOAT32_R );
imp.inputImage = &img;
imp.terrainSize = img.getWidth();
imp.inputScale = 1;
break;
}
case HEIGHTMAPTYPE_OGREBINARY:
break;
}
if( mTerrainType != TERRAINTYPE_OGREBINARY )
{
// Generic import data
imp.worldSize = 1025;
imp.minBatchSize = 33;
imp.maxBatchSize = 65;
imp.pos = toVector3<Ogre::Vector3>(
ServerPosition( ClientPlugin::getServer().getGridPosition() ).get3DPosition() );
mTerrain->setPosition( imp.pos );
// Set textures
imp.layerList.resize( mLayerInstances.size() );
for( unsigned int i = 0; i < mLayerInstances.size(); ++i )
{
imp.layerList[i].worldSize = mLayerInstances[i].mWorldSize;
for( std::vector<Path>::iterator j = mLayerInstances[i].mTextureFiles.begin();
j != mLayerInstances[i].mTextureFiles.end(); ++j )
{
imp.layerList[i].textureNames.push_back( (*j).string() );
}
}
// Load the terrain
mTerrain->prepare( imp );
mTerrain->load();
}
// Set blending
switch( mTerrainType )
{
case TERRAINTYPE_AUTOBLENDMAP:
{
Ogre::TerrainLayerBlendMap* blendMap0 = mTerrain->getLayerBlendMap(1);
Ogre::TerrainLayerBlendMap* blendMap1 = mTerrain->getLayerBlendMap(2);
float* pBlend1 = blendMap1->getBlendPointer();
for (Ogre::uint16 y = 0; y < mTerrain->getLayerBlendMapSize(); ++y)
{
for (Ogre::uint16 x = 0; x < mTerrain->getLayerBlendMapSize(); ++x)
{
Ogre::Real tx, ty;
blendMap0->convertImageToTerrainSpace(x, y, &tx, &ty);
Ogre::Real height = mTerrain->getHeightAtTerrainPosition(tx, ty);
Ogre::Real val = (height - mMinHeight0) / mFadeDistance0;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
val = (height - mMinHeight1) / mFadeDistance1;
val = Ogre::Math::Clamp(val, (Ogre::Real)0, (Ogre::Real)1);
*pBlend1++ = val;
}
}
blendMap0->dirty();
blendMap1->dirty();
blendMap0->update();
blendMap1->update();
break;
}
case TERRAINTYPE_OGREBINARY:
// Everything is embedded in the binary file.
mTerrain->setResourceGroup( mResourceManager.getGroup() );
mTerrain->prepare( mHeightmapFile.string() );
mTerrain->load( mHeightmapFile.string() );
break;
}
mTerrain->freeTemporaryResources();
ClientPlugin::mLoadingCompletedSignal( *this );
}