Merge pull request #208 from NickNick/master

Add support for emissive and gloss-maps

code/ObjFileData.h

@@ -156,6 +156,7 @@ struct Material
 	aiString texture;
 	aiString textureSpecular;
 	aiString textureAmbient;
+	aiString textureEmissive;
 	aiString textureBump;
 	aiString textureNormal;
 	aiString textureSpecularity;
@@ -166,6 +167,7 @@ struct Material
 		TextureDiffuseType = 0,
 		TextureSpecularType,
 		TextureAmbientType,
+		TextureEmissiveType,
 		TextureBumpType,
 		TextureNormalType,
 		TextureSpecularityType,

code/ObjFileImporter.cpp

@@ -575,6 +575,9 @@ void ObjFileImporter::createMaterials(const ObjFile::Model* pModel, aiScene* pSc
 			}
 		}
 
+		if ( 0 != pCurrentMaterial->textureEmissive.length )
+			mat->AddProperty( &pCurrentMaterial->textureEmissive, AI_MATKEY_TEXTURE_EMISSIVE(0));
+
 		if ( 0 != pCurrentMaterial->textureSpecular.length )
 		{
 			mat->AddProperty( &pCurrentMaterial->textureSpecular, AI_MATKEY_TEXTURE_SPECULAR(0));

code/ObjFileMtlImporter.cpp

@@ -302,6 +302,10 @@ void ObjFileMtlImporter::getTexture() {
 		// Ambient texture
 		out = & m_pModel->m_pCurrentMaterial->textureAmbient;
 		clampIndex = ObjFile::Material::TextureAmbientType;
+	} else if (!ASSIMP_strincmp(&(*m_DataIt),"map_emissive",6)) {
+		// Emissive texture
+		out = & m_pModel->m_pCurrentMaterial->textureEmissive;
+		clampIndex = ObjFile::Material::TextureEmissiveType;
 	} else if ( !ASSIMP_strincmp( pPtr, BumpTexture1.c_str(), BumpTexture1.size() ) ||
 		        !ASSIMP_strincmp( pPtr, BumpTexture2.c_str(), BumpTexture2.size() ) || 
 		        !ASSIMP_strincmp( pPtr, BumpTexture3.c_str(), BumpTexture3.size() ) ) {

include/assimp/Compiler/pushpack1.h

@@ -8,6 +8,7 @@
 // MSVC 7,8,9
 // GCC
 // BORLAND (complains about 'pack state changed but not reverted', but works)
+// Clang
 //
 //
 // USAGE:
@@ -25,7 +26,11 @@
 #	pragma pack(push,1)
 #	define PACK_STRUCT
 #elif defined( __GNUC__ )
-#	define PACK_STRUCT	__attribute__((gcc_struct, __packed__))
+#	if defined(__clang__)
+#		define PACK_STRUCT	__attribute__((__packed__))
+#	else
+#		define PACK_STRUCT	__attribute__((gcc_struct, __packed__))
+#	endif
 #else
 #	error Compiler not supported
 #endif