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Merge pull request #670 from romeoxbm/master 

Added support for reflection maps for OBJ files
reviewable/pr672/r1
Alexander Gessler 2015-10-16 12:07:16 +02:00
parent f489a7d076 2750f8da24
commit 282a913b7f
4 changed files with 78 additions and 6 deletions
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8
code/ObjFileData.h
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@ -156,6 +156,7 @@ struct Material
aiString textureEmissive;
aiString textureBump;
aiString textureNormal;
aiString textureReflection[6];
aiString textureSpecularity;
aiString textureOpacity;
aiString textureDisp;
@ -167,6 +168,13 @@ struct Material
TextureEmissiveType,
TextureBumpType,
TextureNormalType,
TextureReflectionSphereType,
TextureReflectionCubeTopType,
TextureReflectionCubeBottomType,
TextureReflectionCubeFrontType,
TextureReflectionCubeBackType,
TextureReflectionCubeLeftType,
TextureReflectionCubeRightType,
TextureSpecularityType,
TextureOpacityType,
TextureDispType,

16
code/ObjFileImporter.cpp
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@ -636,6 +636,22 @@ void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pSc
}
}
if( 0 != pCurrentMaterial->textureReflection[0].length )
{
ObjFile::Material::TextureType type = 0 != pCurrentMaterial->textureReflection[1].length ?
ObjFile::Material::TextureReflectionCubeTopType :
ObjFile::Material::TextureReflectionSphereType;
unsigned count = type == ObjFile::Material::TextureReflectionSphereType ? 1 : 6;
for( unsigned i = 0; i < count; i++ )
mat->AddProperty(&pCurrentMaterial->textureReflection[i], AI_MATKEY_TEXTURE_REFLECTION(i));
if(pCurrentMaterial->clamp[type])
//TODO addTextureMappingModeProperty should accept an index to handle clamp option for each
//texture of a cubemap
addTextureMappingModeProperty(mat, aiTextureType_REFLECTION);
}
if ( 0 != pCurrentMaterial->textureDisp.length )
{
mat->AddProperty( &pCurrentMaterial->textureDisp, AI_MATKEY_TEXTURE_DISPLACEMENT(0) );

55
code/ObjFileMtlImporter.cpp
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@ -64,6 +64,7 @@ static const std::string BumpTexture1 = "map_bump";
static const std::string BumpTexture2 = "map_Bump";
static const std::string BumpTexture3 = "bump";
static const std::string NormalTexture = "map_Kn";
static const std::string ReflectionTexture = "refl";
static const std::string DisplacementTexture = "disp";
static const std::string SpecularityTexture = "map_ns";
@ -200,6 +201,7 @@ void ObjFileMtlImporter::load()
case 'm': // Texture
case 'b': // quick'n'dirty - for 'bump' sections
case 'r': // quick'n'dirty - for 'refl' sections
{
getTexture();
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
@ -332,6 +334,9 @@ void ObjFileMtlImporter::getTexture() {
// Normal map
out = & m_pModel->m_pCurrentMaterial->textureNormal;
clampIndex = ObjFile::Material::TextureNormalType;
} else if(!ASSIMP_strincmp( pPtr, ReflectionTexture.c_str(), ReflectionTexture.size() ) ) {
// Reflection texture(s)
//Do nothing here
} else if (!ASSIMP_strincmp( pPtr, DisplacementTexture.c_str(), DisplacementTexture.size() ) ) {
// Displacement texture
out = &m_pModel->m_pCurrentMaterial->textureDisp;
@ -346,7 +351,7 @@ void ObjFileMtlImporter::getTexture() {
}
bool clamp = false;
getTextureOption(clamp);
getTextureOption(clamp, clampIndex, out);
m_pModel->m_pCurrentMaterial->clamp[clampIndex] = clamp;
std::string texture;
@ -369,7 +374,7 @@ void ObjFileMtlImporter::getTexture() {
* Because aiMaterial supports clamp option, so we also want to return it
* /////////////////////////////////////////////////////////////////////////////
*/
void ObjFileMtlImporter::getTextureOption(bool &clamp)
void ObjFileMtlImporter::getTextureOption(bool &clamp, int &clampIndex, aiString *&out)
{
m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
@ -392,13 +397,55 @@ void ObjFileMtlImporter::getTextureOption(bool &clamp)
skipToken = 2;
}
else if( !ASSIMP_strincmp( pPtr, TypeOption.c_str(), TypeOption.size() ) )
{
DataArrayIt it = getNextToken<DataArrayIt>( m_DataIt, m_DataItEnd );
char value[ 12 ];
CopyNextWord( it, m_DataItEnd, value, sizeof( value ) / sizeof( *value ) );
if( !ASSIMP_strincmp( value, "cube_top", 8 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeTopType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[0];
}
else if( !ASSIMP_strincmp( value, "cube_bottom", 11 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeBottomType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[1];
}
else if( !ASSIMP_strincmp( value, "cube_front", 10 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeFrontType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[2];
}
else if( !ASSIMP_strincmp( value, "cube_back", 9 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeBackType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[3];
}
else if( !ASSIMP_strincmp( value, "cube_left", 9 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeLeftType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[4];
}
else if( !ASSIMP_strincmp( value, "cube_right", 10 ) )
{
clampIndex = ObjFile::Material::TextureReflectionCubeRightType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[5];
}
else if( !ASSIMP_strincmp( value, "sphere", 6 ) )
{
clampIndex = ObjFile::Material::TextureReflectionSphereType;
out = &m_pModel->m_pCurrentMaterial->textureReflection[0];
}
skipToken = 2;
}
else if (!ASSIMP_strincmp(pPtr, BlendUOption.c_str(), BlendUOption.size())
|| !ASSIMP_strincmp(pPtr, BlendVOption.c_str(), BlendVOption.size())
|| !ASSIMP_strincmp(pPtr, BoostOption.c_str(), BoostOption.size())
|| !ASSIMP_strincmp(pPtr, ResolutionOption.c_str(), ResolutionOption.size())
|| !ASSIMP_strincmp(pPtr, BumpOption.c_str(), BumpOption.size())
|| !ASSIMP_strincmp(pPtr, ChannelOption.c_str(), ChannelOption.size())
|| !ASSIMP_strincmp(pPtr, TypeOption.c_str(), TypeOption.size()) )
|| !ASSIMP_strincmp(pPtr, ChannelOption.c_str(), ChannelOption.size()))
{
skipToken = 2;
}

3
code/ObjFileMtlImporter.h
View File

@ -43,6 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
struct aiColor3D;
struct aiString;
namespace Assimp {
@ -89,7 +90,7 @@ private:
void createMaterial();
/// Get texture name from loaded data.
void getTexture();
void getTextureOption(bool &clamp);
void getTextureOption(bool &clamp, int &clampIndex, aiString *&out);
private:
//! Absolute pathname