// ------------------------------------------------------------------------------------------------
// Creates all referenced materials.
void Q3BSPFileImporter::createMaterials( const Q3BSP::Q3BSPModel *pModel, aiScene* pScene,
Q3BSPZipArchive *pArchive )
{
if ( m_MaterialLookupMap.empty() )
{
return;
}
pScene->mMaterials = new aiMaterial*[ m_MaterialLookupMap.size() ];
aiString aiMatName;
int textureId( -1 ), lightmapId( -1 );
for ( FaceMapIt it = m_MaterialLookupMap.begin(); it != m_MaterialLookupMap.end();
++it )
{
const std::string matName = (*it).first;
if ( matName.empty() )
{
continue;
}
aiMatName.Set( matName );
Assimp::MaterialHelper *pMatHelper = new Assimp::MaterialHelper;
pMatHelper->AddProperty( &aiMatName, AI_MATKEY_NAME );
extractIds( matName, textureId, lightmapId );
// Adding the texture
if ( -1 != textureId )
{
sQ3BSPTexture *pTexture = pModel->m_Textures[ textureId ];
if ( NULL != pTexture )
{
std::string tmp( "*" ), texName( "" );
tmp += pTexture->strName;
tmp += ".jpg";
normalizePathName( tmp, texName );
if ( !importTextureFromArchive( pModel, pArchive, pScene, pMatHelper, textureId ) )
{
}
}
}
if ( -1 != lightmapId )
{
importLightmap( pModel, pScene, pMatHelper, lightmapId );
}
pScene->mMaterials[ pScene->mNumMaterials ] = pMatHelper;
pScene->mNumMaterials++;
}
pScene->mNumTextures = mTextures.size();
pScene->mTextures = new aiTexture*[ pScene->mNumTextures ];
std::copy( mTextures.begin(), mTextures.end(), pScene->mTextures );
}
// ------------------------------------------------------------------------------------------------
// Creates a dummy material and returns it.
aiMaterial* SkeletonMeshBuilder::CreateMaterial()
{
Assimp::MaterialHelper* matHelper = new Assimp::MaterialHelper;
// Name
aiString matName( std::string( "SkeletonMaterial"));
matHelper->AddProperty( &matName, AI_MATKEY_NAME);
// Prevent backface culling
const int no_cull = 1;
matHelper->AddProperty(&no_cull,1,AI_MATKEY_TWOSIDED);
return matHelper;
}
// ------------------------------------------------------------------------------------------------
// Creates the material
void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pScene )
{
ai_assert( NULL != pScene );
if ( NULL == pScene )
return;
const unsigned int numMaterials = (unsigned int) pModel->m_MaterialLib.size();
pScene->mNumMaterials = 0;
if ( pModel->m_MaterialLib.empty() )
{
DefaultLogger::get()->debug("OBJ: no materials specified");
return;
}
pScene->mMaterials = new aiMaterial*[ numMaterials ];
for ( unsigned int matIndex = 0; matIndex < numMaterials; matIndex++ )
{
Assimp::MaterialHelper* mat = new Assimp::MaterialHelper;
// Store material name
std::map<std::string, ObjFile::Material*>::const_iterator it;
it = pModel->m_MaterialMap.find( pModel->m_MaterialLib[ matIndex ] );
// No material found, use the default material
if ( pModel->m_MaterialMap.end() == it )
continue;
ObjFile::Material *pCurrentMaterial = (*it).second;
mat->AddProperty( &pCurrentMaterial->MaterialName, AI_MATKEY_NAME );
// convert illumination model
int sm = 0;
switch (pCurrentMaterial->illumination_model)
{
case 0:
sm = aiShadingMode_NoShading;
break;
case 1:
sm = aiShadingMode_Gouraud;
break;
case 2:
sm = aiShadingMode_Phong;
break;
default:
sm = aiShadingMode_Gouraud;
DefaultLogger::get()->error("OBJ/MTL: Unexpected illumination model (0-2 recognized)");
}
mat->AddProperty<int>( &sm, 1, AI_MATKEY_SHADING_MODEL);
// multiplying the specular exponent with 2 seems to yield better results
pCurrentMaterial->shineness *= 4.f;
// Adding material colors
mat->AddProperty( &pCurrentMaterial->ambient, 1, AI_MATKEY_COLOR_AMBIENT );
mat->AddProperty( &pCurrentMaterial->diffuse, 1, AI_MATKEY_COLOR_DIFFUSE );
mat->AddProperty( &pCurrentMaterial->specular, 1, AI_MATKEY_COLOR_SPECULAR );
mat->AddProperty( &pCurrentMaterial->shineness, 1, AI_MATKEY_SHININESS );
mat->AddProperty( &pCurrentMaterial->alpha, 1, AI_MATKEY_OPACITY );
// Adding refraction index
mat->AddProperty( &pCurrentMaterial->ior, 1, AI_MATKEY_REFRACTI );
// Adding textures
if ( 0 != pCurrentMaterial->texture.length )
mat->AddProperty( &pCurrentMaterial->texture, AI_MATKEY_TEXTURE_DIFFUSE(0));
if ( 0 != pCurrentMaterial->textureAmbient.length )
mat->AddProperty( &pCurrentMaterial->textureAmbient, AI_MATKEY_TEXTURE_AMBIENT(0));
if ( 0 != pCurrentMaterial->textureSpecular.length )
mat->AddProperty( &pCurrentMaterial->textureSpecular, AI_MATKEY_TEXTURE_SPECULAR(0));
if ( 0 != pCurrentMaterial->textureBump.length )
mat->AddProperty( &pCurrentMaterial->textureBump, AI_MATKEY_TEXTURE_HEIGHT(0));
if ( 0 != pCurrentMaterial->textureOpacity.length )
mat->AddProperty( &pCurrentMaterial->textureOpacity, AI_MATKEY_TEXTURE_OPACITY(0));
if ( 0 != pCurrentMaterial->textureSpecularity.length )
mat->AddProperty( &pCurrentMaterial->textureSpecularity, AI_MATKEY_TEXTURE_SHININESS(0));
// Store material property info in material array in scene
pScene->mMaterials[ pScene->mNumMaterials ] = mat;
pScene->mNumMaterials++;
}
// Test number of created materials.
ai_assert( pScene->mNumMaterials == numMaterials );
}