mirror of
https://github.com/minetest/irrlicht.git
synced 2025-07-01 15:50:27 +02:00
Delete lots of unused features (#48)
This commit is contained in:
hecks
GitHub
@ -6,7 +6,6 @@
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#ifdef _IRR_COMPILE_WITH_OBJ_LOADER_
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#include "COBJMeshFileLoader.h"
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#include "CMeshTextureLoader.h"
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#include "IMeshManipulator.h"
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#include "IVideoDriver.h"
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#include "SMesh.h"
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@ -39,8 +38,6 @@ COBJMeshFileLoader::COBJMeshFileLoader(scene::ISceneManager* smgr, io::IFileSyst
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if (FileSystem)
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FileSystem->grab();
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TextureLoader = new CMeshTextureLoader( FileSystem, SceneManager->getVideoDriver() );
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}
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@ -69,9 +66,6 @@ IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
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if (!file)
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return 0;
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if ( getMeshTextureLoader() )
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getMeshTextureLoader()->setMeshFile(file);
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const long filesize = file->getSize();
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if (!filesize)
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return 0;
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@ -119,7 +113,6 @@ IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
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#ifdef _IRR_DEBUG_OBJ_LOADER_
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os::Printer::log("Reading material file",name);
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#endif
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readMTL(name, relPath);
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}
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}
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break;
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@ -358,352 +351,6 @@ IAnimatedMesh* COBJMeshFileLoader::createMesh(io::IReadFile* file)
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return animMesh;
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}
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const c8* COBJMeshFileLoader::readTextures(const c8* bufPtr, const c8* const bufEnd, SObjMtl* currMaterial, const io::path& relPath)
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{
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u8 type=0; // map_Kd - diffuse color texture map
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// map_Ks - specular color texture map
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// map_Ka - ambient color texture map
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// map_Ns - shininess texture map
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if ((!strncmp(bufPtr,"map_bump",8)) || (!strncmp(bufPtr,"bump",4)))
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type=1; // normal map
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else if ((!strncmp(bufPtr,"map_d",5)) || (!strncmp(bufPtr,"map_opacity",11)))
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type=2; // opacity map
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else if (!strncmp(bufPtr,"map_refl",8))
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type=3; // reflection map
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// extract new material's name
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c8 textureNameBuf[WORD_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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f32 bumpiness = 6.0f;
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bool clamp = false;
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core::vector3df tscale(1.f); //For map_Kd texture scaling
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core::vector3df tpos(0.f); //For map_Kd texture translation
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// handle options
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while (textureNameBuf[0]=='-')
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{
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if (!strncmp(bufPtr,"-bm",3))
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{
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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currMaterial->Meshbuffer->Material.MaterialTypeParam=core::fast_atof(textureNameBuf);
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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continue;
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}
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else
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if (!strncmp(bufPtr,"-blendu",7))
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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else
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if (!strncmp(bufPtr,"-blendv",7))
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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else
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if (!strncmp(bufPtr,"-cc",3))
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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else
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if (!strncmp(bufPtr,"-clamp",6))
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bufPtr = readBool(bufPtr, clamp, bufEnd);
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else
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if (!strncmp(bufPtr,"-texres",7))
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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else
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if (!strncmp(bufPtr,"-type",5))
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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else
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if (!strncmp(bufPtr,"-mm",3))
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{
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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}
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else
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if (!strncmp(bufPtr,"-o",2)) // texture coord translation
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{
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1])))
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tpos.X = core::fast_atof(textureNameBuf);
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// next parameters are optional, so skip rest of loop if no number is found
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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tpos.Y = core::fast_atof(textureNameBuf);
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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tpos.Z = core::fast_atof(textureNameBuf);
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}
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else
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if (!strncmp(bufPtr,"-s",2)) // texture coord scale
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{
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1])))
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tscale.X = core::fast_atof(textureNameBuf);
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// next parameters are optional, so skip rest of loop if no number is found
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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tscale.Y = core::fast_atof(textureNameBuf);
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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tscale.Z = core::fast_atof(textureNameBuf);
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}
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else
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if (!strncmp(bufPtr,"-t",2))
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{
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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// next parameters are optional, so skip rest of loop if no number is found
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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if (!(core::isdigit(textureNameBuf[0]) || (textureNameBuf[0] == '-' && core::isdigit(textureNameBuf[1]))))
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continue;
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}
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// get next word
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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}
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if ((type==1) && (core::isdigit(textureNameBuf[0])))
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{
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currMaterial->Meshbuffer->Material.MaterialTypeParam=core::fast_atof(textureNameBuf);
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bufPtr = goAndCopyNextWord(textureNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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}
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if (clamp)
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currMaterial->Meshbuffer->Material.setFlag(video::EMF_TEXTURE_WRAP, video::ETC_CLAMP);
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io::path texname(textureNameBuf);
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if (texname.size() && getMeshTextureLoader())
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{
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video::ITexture * texture = getMeshTextureLoader()->getTexture(texname);
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if ( texture )
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{
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if (type==0)
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{
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currMaterial->Meshbuffer->Material.setTexture(0, texture);
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bool needsTextureMatrix = tscale != core::vector3df(1.f) || tpos != core::vector3df(0.f);
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if (needsTextureMatrix)
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{
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currMaterial->Meshbuffer->Material.getTextureMatrix(0).setTextureScale(tscale.X, tscale.Y);
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currMaterial->Meshbuffer->Material.getTextureMatrix(0).setTextureTranslate(tpos.X, tpos.Y);
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}
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}
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else if (type==1)
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{
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if ( texture->getSource() == video::ETS_FROM_FILE)
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SceneManager->getVideoDriver()->makeNormalMapTexture(texture, bumpiness);
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currMaterial->Meshbuffer->Material.setTexture(1, texture);
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currMaterial->Meshbuffer->Material.MaterialType=video::EMT_PARALLAX_MAP_SOLID;
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currMaterial->Meshbuffer->Material.MaterialTypeParam=0.035f;
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}
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else if (type==2)
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{
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currMaterial->Meshbuffer->Material.setTexture(0, texture);
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currMaterial->Meshbuffer->Material.MaterialType=video::EMT_TRANSPARENT_ADD_COLOR;
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}
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else if (type==3)
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{
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// currMaterial->Meshbuffer->Material.Textures[1] = texture;
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// currMaterial->Meshbuffer->Material.MaterialType=video::EMT_REFLECTION_2_LAYER;
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}
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// Set diffuse material color to white so as not to affect texture color
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// Because Maya set diffuse color Kd to black when you use a diffuse color map
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// But is this the right thing to do?
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currMaterial->Meshbuffer->Material.DiffuseColor.set(
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currMaterial->Meshbuffer->Material.DiffuseColor.getAlpha(), 255, 255, 255 );
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}
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}
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return bufPtr;
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}
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void COBJMeshFileLoader::readMTL(const c8* fileName, const io::path& relPath)
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{
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const io::path realFile(fileName);
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io::IReadFile * mtlReader;
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if (FileSystem->existFile(realFile))
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mtlReader = FileSystem->createAndOpenFile(realFile);
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else if (FileSystem->existFile(relPath + realFile))
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mtlReader = FileSystem->createAndOpenFile(relPath + realFile);
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else if (FileSystem->existFile(FileSystem->getFileBasename(realFile)))
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mtlReader = FileSystem->createAndOpenFile(FileSystem->getFileBasename(realFile));
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else
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mtlReader = FileSystem->createAndOpenFile(relPath + FileSystem->getFileBasename(realFile));
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if (!mtlReader) // fail to open and read file
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{
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os::Printer::log("Could not open material file", realFile, ELL_WARNING);
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return;
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}
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if ( getMeshTextureLoader() )
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{
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getMeshTextureLoader()->setMaterialFile(mtlReader);
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if ( SceneManager->getParameters()->existsAttribute(OBJ_TEXTURE_PATH) )
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getMeshTextureLoader()->setTexturePath(SceneManager->getParameters()->getAttributeAsString(OBJ_TEXTURE_PATH));
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}
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const long filesize = mtlReader->getSize();
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if (!filesize)
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{
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os::Printer::log("Skipping empty material file", realFile, ELL_WARNING);
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mtlReader->drop();
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return;
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}
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c8* buf = new c8[filesize];
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mtlReader->read((void*)buf, filesize);
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const c8* bufEnd = buf+filesize;
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SObjMtl* currMaterial = 0;
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const c8* bufPtr = buf;
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while(bufPtr != bufEnd)
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{
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switch(*bufPtr)
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{
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case 'n': // newmtl
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{
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// if there's an existing material, store it first
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if ( currMaterial )
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Materials.push_back( currMaterial );
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// extract new material's name
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c8 mtlNameBuf[WORD_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(mtlNameBuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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currMaterial = new SObjMtl;
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currMaterial->Name = mtlNameBuf;
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}
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break;
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case 'i': // illum - illumination
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if ( currMaterial )
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{
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const u32 COLOR_BUFFER_LENGTH = 16;
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c8 illumStr[COLOR_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(illumStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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currMaterial->Illumination = (c8)atol(illumStr);
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}
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break;
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case 'N':
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if ( currMaterial )
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{
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switch(bufPtr[1])
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{
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case 's': // Ns - shininess
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{
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const u32 COLOR_BUFFER_LENGTH = 16;
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c8 nsStr[COLOR_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(nsStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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f32 shininessValue = core::fast_atof(nsStr);
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// wavefront shininess is from [0, 1000], so scale for OpenGL
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shininessValue *= 0.128f;
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currMaterial->Meshbuffer->Material.Shininess = shininessValue;
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}
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break;
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case 'i': // Ni - refraction index
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{
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c8 tmpbuf[WORD_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(tmpbuf, bufPtr, WORD_BUFFER_LENGTH, bufEnd);
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}
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break;
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}
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}
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break;
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case 'K':
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if ( currMaterial )
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{
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switch(bufPtr[1])
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{
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case 'd': // Kd = diffuse
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{
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bufPtr = readColor(bufPtr, currMaterial->Meshbuffer->Material.DiffuseColor, bufEnd);
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}
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break;
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case 's': // Ks = specular
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{
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bufPtr = readColor(bufPtr, currMaterial->Meshbuffer->Material.SpecularColor, bufEnd);
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}
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break;
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case 'a': // Ka = ambience
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{
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bufPtr=readColor(bufPtr, currMaterial->Meshbuffer->Material.AmbientColor, bufEnd);
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}
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break;
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case 'e': // Ke = emissive
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{
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currMaterial->Meshbuffer->Material.EmissiveColor.setAlpha(255);
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bufPtr=readColor(bufPtr, currMaterial->Meshbuffer->Material.EmissiveColor, bufEnd);
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}
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break;
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} // end switch(bufPtr[1])
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} // end case 'K': if ( 0 != currMaterial )...
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break;
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case 'b': // bump
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case 'm': // texture maps
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if (currMaterial)
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{
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bufPtr=readTextures(bufPtr, bufEnd, currMaterial, relPath);
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}
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break;
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case 'd': // d - transparency
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if ( currMaterial )
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{
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const u32 COLOR_BUFFER_LENGTH = 16;
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c8 dStr[COLOR_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(dStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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f32 dValue = core::fast_atof(dStr);
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currMaterial->Meshbuffer->Material.DiffuseColor.setAlpha( (s32)(dValue * 255) );
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if (dValue<1.0f)
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currMaterial->Meshbuffer->Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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}
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break;
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case 'T':
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if ( currMaterial )
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{
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switch ( bufPtr[1] )
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{
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case 'f': // Tf - Transmitivity
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const u32 COLOR_BUFFER_LENGTH = 16;
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c8 redStr[COLOR_BUFFER_LENGTH];
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c8 greenStr[COLOR_BUFFER_LENGTH];
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c8 blueStr[COLOR_BUFFER_LENGTH];
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bufPtr = goAndCopyNextWord(redStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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bufPtr = goAndCopyNextWord(greenStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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bufPtr = goAndCopyNextWord(blueStr, bufPtr, COLOR_BUFFER_LENGTH, bufEnd);
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f32 transparency = ( core::fast_atof(redStr) + core::fast_atof(greenStr) + core::fast_atof(blueStr) ) / 3;
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currMaterial->Meshbuffer->Material.DiffuseColor.setAlpha( (s32)(transparency * 255) );
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if (transparency < 1.0f)
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currMaterial->Meshbuffer->Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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}
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}
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break;
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default: // comments or not recognised
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break;
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} // end switch(bufPtr[0])
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// go to next line
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bufPtr = goNextLine(bufPtr, bufEnd);
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} // end while (bufPtr)
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// end of file. if there's an existing material, store it
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if ( currMaterial )
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Materials.push_back( currMaterial );
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delete [] buf;
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mtlReader->drop();
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}
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//! Read RGB color
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const c8* COBJMeshFileLoader::readColor(const c8* bufPtr, video::SColor& color, const c8* const bufEnd)
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{
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