v4games
/
assimp
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
assimp/code/OgreMaterial.cpp

391 lines
11 KiB
C++
Raw Blame History

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2012, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/**
This file contains material related code. This is
spilitted up from the main file OgreImporter.cpp
to make it shorter easier to maintain.
*/
#include "AssimpPCH.h"
#ifndef ASSIMP_BUILD_NO_OGRE_IMPORTER
#include <vector>
#include <sstream>
using namespace std;
//#include "boost/format.hpp"
//#include "boost/foreach.hpp"
//using namespace boost;
#include "OgreImporter.hpp"
#include "irrXMLWrapper.h"
#include "TinyFormatter.h"
namespace Assimp
{
namespace Ogre
{
aiMaterial* OgreImporter::LoadMaterial(const std::string MaterialName) const
{
const aiScene* const m_CurrentScene=this->m_CurrentScene;//make sure, that we can access but not change the scene
(void)m_CurrentScene;
/*For bettetr understanding of the material parser, here is a material example file:
material Sarg
{
receive_shadows on
technique
{
pass
{
ambient 0.500000 0.500000 0.500000 1.000000
diffuse 0.640000 0.640000 0.640000 1.000000
specular 0.500000 0.500000 0.500000 1.000000 12.500000
emissive 0.000000 0.000000 0.000000 1.000000
texture_unit
{
texture SargTextur.tga
tex_address_mode wrap
filtering linear linear none
}
}
}
}
*/
/*and here is another one:
import * from abstract_base_passes_depth.material
import * from abstract_base.material
import * from mat_shadow_caster.material
import * from mat_character_singlepass.material
material hero/hair/caster : mat_shadow_caster_skin_areject
{
set $diffuse_map "hero_hair_alpha_c.dds"
}
material hero/hair_alpha : mat_char_cns_singlepass_areject_4weights
{
set $diffuse_map "hero_hair_alpha_c.dds"
set $specular_map "hero_hair_alpha_s.dds"
set $normal_map "hero_hair_alpha_n.dds"
set $light_map "black_lightmap.dds"
set $shadow_caster_material "hero/hair/caster"
}
*/
//Read the file into memory and put it in a stringstream
stringstream ss;
{// after this block, the temporarly loaded data will be released
/*
We have 3 guesses for the Material filename:
- the Material Name
- the Name of the mesh file
- the DefaultMaterialLib (which you can set before importing)
*/
IOStream* MatFilePtr=m_CurrentIOHandler->Open(MaterialName+".material");
if(NULL==MatFilePtr)
{
//the filename typically ends with .mesh or .mesh.xml
const string MaterialFileName=m_CurrentFilename.substr(0, m_CurrentFilename.rfind(".mesh"))+".material";
MatFilePtr=m_CurrentIOHandler->Open(MaterialFileName);
if(NULL==MatFilePtr)
{
//try the default mat Library
if(NULL==MatFilePtr)
{
MatFilePtr=m_CurrentIOHandler->Open(m_MaterialLibFilename);
if(NULL==MatFilePtr)
{
DefaultLogger::get()->error(m_MaterialLibFilename+" and "+MaterialFileName + " could not be opened, Material will not be loaded!");
return NULL;
}
}
}
}
boost::scoped_ptr<IOStream> MaterialFile(MatFilePtr);
vector<char> FileData(MaterialFile->FileSize());
MaterialFile->Read(&FileData[0], MaterialFile->FileSize(), 1);
BaseImporter::ConvertToUTF8(FileData);
ss << &FileData[0];
}
//create the material
aiMaterial *NewMaterial=new aiMaterial();
aiString ts(MaterialName.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_NAME);
string Line;
ss >> Line;
// unsigned int Level=0;//Hierarchielevels in the material file, like { } blocks into another
while(!ss.eof())
{
if(Line=="material")
{
ss >> Line;
if(Line==MaterialName)//Load the next material
{
string RestOfLine;
getline(ss, RestOfLine);//ignore the rest of the line
ss >> Line;
if(Line!="{")
{
DefaultLogger::get()->warn("empyt material!");
return NULL;
}
while(Line!="}")//read until the end of the material
{
//Proceed to the first technique
ss >> Line;
if(Line=="technique")
{
ReadTechnique(ss, NewMaterial);
}
DefaultLogger::get()->info(Line);
//read informations from a custom material:
if(Line=="set")
{
ss >> Line;
if(Line=="$specular")//todo load this values:
{
}
if(Line=="$diffuse")
{
}
if(Line=="$ambient")
{
}
if(Line=="$colormap")
{
ss >> Line;
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
}
if(Line=="$normalmap")
{
ss >> Line;
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_NORMALS, 0));
}
if(Line=="$shininess_strength")
{
ss >> Line;
float Shininess=fast_atof(Line.c_str());
NewMaterial->AddProperty(&Shininess, 1, AI_MATKEY_SHININESS_STRENGTH);
}
if(Line=="$shininess_exponent")
{
ss >> Line;
float Shininess=fast_atof(Line.c_str());
NewMaterial->AddProperty(&Shininess, 1, AI_MATKEY_SHININESS);
}
//Properties from Venetica:
if(Line=="$diffuse_map")
{
ss >> Line;
if(Line[0]=='"')// "file" -> file
Line=Line.substr(1, Line.size()-2);
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
}
if(Line=="$specular_map")
{
ss >> Line;
if(Line[0]=='"')// "file" -> file
Line=Line.substr(1, Line.size()-2);
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_SHININESS, 0));
}
if(Line=="$normal_map")
{
ss >> Line;
if(Line[0]=='"')// "file" -> file
Line=Line.substr(1, Line.size()-2);
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_NORMALS, 0));
}
if(Line=="$light_map")
{
ss >> Line;
if(Line[0]=='"')// "file" -> file
Line=Line.substr(1, Line.size()-2);
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_LIGHTMAP, 0));
}
}
}//end of material
}
else {} //this is the wrong material, proceed the file until we reach the next material
}
ss >> Line;
}
return NewMaterial;
}
void OgreImporter::ReadTechnique(stringstream &ss, aiMaterial* NewMaterial)
{
unsigned int CurrentTextureId=0;
string RestOfLine;
getline(ss, RestOfLine);//ignore the rest of the line
string Line;
ss >> Line;
if(Line!="{")
{
DefaultLogger::get()->warn("empty technique!");
return;
}
while(Line!="}")//read until the end of the technique
{
ss >> Line;
if(Line=="pass")
{
getline(ss, RestOfLine);//ignore the rest of the line
ss >> Line;
if(Line!="{")
{
DefaultLogger::get()->warn("empty pass!");
return;
}
while(Line!="}")//read until the end of the pass
{
ss >> Line;
if(Line=="ambient")
{
float r,g,b;
ss >> r >> g >> b;
const aiColor3D Color(r,g,b);
NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_AMBIENT);
}
else if(Line=="diffuse")
{
float r,g,b;
ss >> r >> g >> b;
const aiColor3D Color(r,g,b);
NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_DIFFUSE);
}
else if(Line=="specular")
{
float r,g,b;
ss >> r >> g >> b;
const aiColor3D Color(r,g,b);
NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_SPECULAR);
}
else if(Line=="emmisive")
{
float r,g,b;
ss >> r >> g >> b;
const aiColor3D Color(r,g,b);
NewMaterial->AddProperty(&Color, 1, AI_MATKEY_COLOR_EMISSIVE);
}
else if(Line=="texture_unit")
{
getline(ss, RestOfLine);//ignore the rest of the line
ss >> Line;
if(Line!="{")
throw DeadlyImportError("empty texture unit!");
while(Line!="}")//read until the end of the texture_unit
{
ss >> Line;
if(Line=="texture")
{
ss >> Line;
aiString ts(Line.c_str());
NewMaterial->AddProperty(&ts, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, CurrentTextureId));
}
else if(Line=="tex_coord_set")
{
int UvSet;
ss >> UvSet;
NewMaterial->AddProperty(&UvSet, 1, AI_MATKEY_UVWSRC(0, CurrentTextureId));
}
else if(Line=="colour_op")
{
ss >> Line;
if("replace"==Line)//I don't think, assimp has something for this...
{
}
else if("modulate"==Line)
{
//TODO: set value
//NewMaterial->AddProperty(aiTextureOp_Multiply)
}
}
}//end of texture unit
Line="";//clear the } that would end the outer loop
CurrentTextureId++;//new Id for the next texture
}
}
Line="";//clear the } that would end the outer loop
}
}//end of technique
}
}//namespace Ogre
}//namespace Assimp
#endif // !! ASSIMP_BUILD_NO_OGRE_IMPORTER
Reference in New Issue View Git Blame Copy Permalink