257 lines
7.3 KiB
C++
257 lines
7.3 KiB
C++
/*
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Open Asset Import Library (ASSIMP)
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----------------------------------------------------------------------
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Copyright (c) 2006-2010, ASSIMP Development Team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the ASSIMP team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the ASSIMP Development Team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/**
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This file contains material related code. This is
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spilitted up from the main file OgreImporter.cpp
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to make it shorter easier to maintain.
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*/
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#include "AssimpPCH.h"
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#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER
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#include <vector>
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#include <sstream>
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using namespace std;
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//#include "boost/format.hpp"
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//#include "boost/foreach.hpp"
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//using namespace boost;
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#include "OgreImporter.h"
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#include "irrXMLWrapper.h"
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#include "TinyFormatter.h"
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namespace Assimp
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{
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namespace Ogre
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{
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aiMaterial* OgreImporter::LoadMaterial(const std::string MaterialName) const
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{
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const aiScene* const m_CurrentScene=this->m_CurrentScene;//make sure, that we can access but not change the scene
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(void)m_CurrentScene;
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aiMaterial *NewMaterial=new aiMaterial();
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aiString ts(MaterialName.c_str());
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NewMaterial->AddProperty(&ts, AI_MATKEY_NAME);
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/*For bettetr understanding of the material parser, here is a material example file:
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material Sarg
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{
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receive_shadows on
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technique
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{
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pass
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{
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ambient 0.500000 0.500000 0.500000 1.000000
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diffuse 0.640000 0.640000 0.640000 1.000000
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specular 0.500000 0.500000 0.500000 1.000000 12.500000
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emissive 0.000000 0.000000 0.000000 1.000000
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texture_unit
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{
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texture SargTextur.tga
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tex_address_mode wrap
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filtering linear linear none
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}
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}
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}
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}
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*/
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const string MaterialFileName=m_CurrentFilename.substr(0, m_CurrentFilename.find('.'))+".material";
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DefaultLogger::get()->info("Trying to load " +MaterialFileName);
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//Read the file into memory and put it in a stringstream
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stringstream ss;
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{// after this block, the temporarly loaded data will be released
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IOStream* MatFilePtr=m_CurrentIOHandler->Open(MaterialFileName);
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if(NULL==MatFilePtr)
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{
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MatFilePtr=m_CurrentIOHandler->Open(m_MaterialLibFilename);
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if(NULL==MatFilePtr)
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{
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DefaultLogger::get()->error(m_MaterialLibFilename+" and "+MaterialFileName + " could not be opened, Material will not be loaded!");
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return NewMaterial;
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}
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}
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boost::scoped_ptr<IOStream> MaterialFile(MatFilePtr);
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vector<char> FileData(MaterialFile->FileSize());
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MaterialFile->Read(&FileData[0], MaterialFile->FileSize(), 1);
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BaseImporter::ConvertToUTF8(FileData);
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ss << &FileData[0];
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}
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string Line;
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ss >> Line;
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// unsigned int Level=0;//Hierarchielevels in the material file, like { } blocks into another
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while(!ss.eof())
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{
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if(Line=="material")
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{
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ss >> Line;
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if(Line==MaterialName)//Load the next material
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{
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ss >> Line;
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if(Line!="{")
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throw DeadlyImportError("empty material!");
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while(Line!="}")//read until the end of the material
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{
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//Proceed to the first technique
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ss >> Line;
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if(Line=="technique")
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{
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ss >> Line;
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if(Line!="{")
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throw DeadlyImportError("empty technique!");
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while(Line!="}")//read until the end of the technique
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{
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ss >> Line;
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if(Line=="pass")
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{
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ss >> Line;
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if(Line!="{")
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throw DeadlyImportError("empty pass!");
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while(Line!="}")//read until the end of the pass
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{
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ss >> Line;
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if(Line=="ambient")
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{
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float r,g,b;
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ss >> r >> g >> b;
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const aiColor3D Color(r,g,b);
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NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_AMBIENT);
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}
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else if(Line=="diffuse")
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{
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float r,g,b;
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ss >> r >> g >> b;
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const aiColor3D Color(r,g,b);
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NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_DIFFUSE);
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}
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else if(Line=="specular")
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{
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float r,g,b;
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ss >> r >> g >> b;
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const aiColor3D Color(r,g,b);
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NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_SPECULAR);
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}
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else if(Line=="emmisive")
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{
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float r,g,b;
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ss >> r >> g >> b;
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const aiColor3D Color(r,g,b);
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NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_EMISSIVE);
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}
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else if(Line=="texture_unit")
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{
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ss >> Line;
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if(Line!="{")
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throw DeadlyImportError("empty texture unit!");
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while(Line!="}")//read until the end of the texture_unit
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{
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ss >> Line;
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if(Line=="texture")
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{
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ss >> Line;
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aiString ts(Line.c_str());
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NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
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}
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}//end of texture unit
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}
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}
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}
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}//end of technique
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}
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DefaultLogger::get()->info(Line);
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//read informations from a custom material:
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if(Line=="set")
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{
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ss >> Line;
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if(Line=="$specular")//todo load this values:
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{
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}
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if(Line=="$diffuse")
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{
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}
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if(Line=="$ambient")
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{
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}
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if(Line=="$colormap")
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{
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ss >> Line;
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aiString ts(Line.c_str());
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NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
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}
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if(Line=="$normalmap")
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{
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ss >> Line;
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aiString ts(Line.c_str());
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NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_NORMALS, 0));
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}
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}
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}//end of material
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}
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else {} //this is the wrong material, proceed the file until we reach the next material
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}
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ss >> Line;
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}
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return NewMaterial;
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}
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}//namespace Ogre
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}//namespace Assimp
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#endif // !! ASSIMP_BUILD_NO_OGRE_IMPORTER
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