mirror of
https://github.com/minetest/irrlicht.git
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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
887 lines
25 KiB
C++
887 lines
25 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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//
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// This file was originally written by ZDimitor.
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//-----------------------------------------------------------------------------
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// This tool created by ZDimitor everyone can use it as wants
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//-----------------------------------------------------------------------------
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_MY3D_LOADER_
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#include "CMY3DMeshFileLoader.h"
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#include "CMeshTextureLoader.h"
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#include "SAnimatedMesh.h"
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#include "SMeshBuffer.h"
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#include "IReadFile.h"
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#include "IAttributes.h"
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#include "CMY3DHelper.h"
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#include "os.h"
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// v3.15 - May 16, 2005
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namespace irr
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{
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namespace scene
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{
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static const u32 MY3D_ID = 0x4d593344;
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static const u16 MY3D_VER = 0x0003;
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static const u16 MY3D_SCENE_HEADER_ID = 0x1000;
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static const u16 MY3D_MAT_LIST_ID = 0x2000;
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static const u16 MY3D_MAT_HEADER_ID = 0x2100;
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static const u16 MY3D_TEX_FNAME_ID = 0x2101;
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static const u16 MY3D_TEXDATA_HEADER_ID = 0x2501;
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static const u16 MY3D_TEXDATA_RLE_HEADER_ID = 0x2502;
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static const u16 MY3D_MESH_LIST_ID = 0x3000;
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static const u16 MY3D_MESH_HEADER_ID = 0x3100;
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static const u16 MY3D_VERTS_ID = 0x3101;
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static const u16 MY3D_FACES_ID = 0x3102;
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static const u16 MY3D_TVERTS_ID = 0x3103;
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static const u16 MY3D_TFACES_ID = 0x3104;
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static const u16 MY3D_FILE_END_ID = 0xFFFF;
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static const unsigned long MY3D_TEXDATA_COMPR_NONE_ID = 0x4e4f4e45;
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static const unsigned long MY3D_TEXDATA_COMPR_SIMPLE_ID = 0x53494d50;
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static const unsigned long MY3D_TEXDATA_COMPR_RLE_ID = 0x20524c45;
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static const unsigned long MY3D_PIXEL_FORMAT_24 = 0x5f32345f;
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static const unsigned long MY3D_PIXEL_FORMAT_16 = 0x5f31365f;
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CMY3DMeshFileLoader::CMY3DMeshFileLoader(ISceneManager* scmgr, io::IFileSystem* fs)
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: SceneManager(scmgr), FileSystem(fs)
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{
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#ifdef _DEBUG
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setDebugName("CMY3DMeshFileLoader");
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#endif
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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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CMY3DMeshFileLoader::~CMY3DMeshFileLoader()
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{
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if (FileSystem)
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FileSystem->drop();
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}
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bool CMY3DMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
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{
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return core::hasFileExtension ( filename, "my3d" );
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}
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IAnimatedMesh* CMY3DMeshFileLoader::createMesh(io::IReadFile* file)
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{
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if ( getMeshTextureLoader() )
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{
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getMeshTextureLoader()->setMeshFile(file);
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if ( SceneManager->getParameters()->existsAttribute(MY3D_TEXTURE_PATH) )
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getMeshTextureLoader()->setTexturePath(SceneManager->getParameters()->getAttributeAsString(MY3D_TEXTURE_PATH));
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}
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MaterialEntry.clear();
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MeshBufferEntry.clear();
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ChildNodes.clear();
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// read file into memory
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SMyFileHeader fileHeader;
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file->read(&fileHeader, sizeof(SMyFileHeader));
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#ifdef __BIG_ENDIAN__
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fileHeader.MyId = os::Byteswap::byteswap(fileHeader.MyId);
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fileHeader.Ver = os::Byteswap::byteswap(fileHeader.Ver);
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#endif
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if (fileHeader.MyId!=MY3D_ID || fileHeader.Ver!=MY3D_VER)
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{
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os::Printer::log("Bad MY3D file header, loading failed!", ELL_ERROR);
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return 0;
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}
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u16 id;
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_SCENE_HEADER_ID)
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{
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os::Printer::log("Cannot find MY3D_SCENE_HEADER_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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SMySceneHeader sceneHeader;
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file->read(&sceneHeader, sizeof(SMySceneHeader));
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#ifdef __BIG_ENDIAN__
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sceneHeader.MaterialCount = os::Byteswap::byteswap(sceneHeader.MaterialCount);
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sceneHeader.MeshCount = os::Byteswap::byteswap(sceneHeader.MeshCount);
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#endif
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_MAT_LIST_ID)
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{
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os::Printer::log("Can not find MY3D_MAT_LIST_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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c8 namebuf[256];
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for (s32 m=0; m<sceneHeader.MaterialCount; ++m)
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{
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if (id != MY3D_MAT_HEADER_ID)
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{
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os::Printer::log("Cannot find MY3D_MAT_HEADER_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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// read material header
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MaterialEntry.push_back(SMyMaterialEntry());
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SMyMaterialEntry& me=MaterialEntry.getLast();
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file->read(&(me.Header), sizeof(SMyMaterialHeader));
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// read next identificator
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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bool gotLightMap=false, gotMainMap=false;
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for (u32 t=0; t<me.Header.TextureCount; ++t)
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{
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if (id==MY3D_TEX_FNAME_ID)
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file->read(namebuf, 256);
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else
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{
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me.Texture2 = readEmbeddedLightmap(file, namebuf);
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if (!me.Texture2)
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return 0;
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gotLightMap = true;
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}
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const core::stringc name(namebuf);
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const s32 pos = name.findLast('.');
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const core::stringc LightingMapStr = "LightingMap";
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const s32 ls = LightingMapStr.size();
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const bool isSubString = (LightingMapStr == name.subString(core::max_(0, (pos - ls)), ls));
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if ((isSubString || (name[pos-1]=='m' &&
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name[pos-2]=='l' && name[pos-3]=='_')) &&
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!gotLightMap)
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{
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const bool oldMipMapState = SceneManager->getVideoDriver()->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
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SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
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me.Texture2FileName = "Lightmaps/";
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me.Texture2FileName.append(name);
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me.Texture2 = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(me.Texture2FileName) : NULL;
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me.MaterialType = video::EMT_LIGHTMAP_M2;
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gotLightMap = true;
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SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, oldMipMapState);
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}
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else
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if (!gotLightMap && gotMainMap)
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{
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if ( getMeshTextureLoader() )
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{
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me.Texture2 = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(name) : NULL;
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if ( me.Texture2 )
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me.Texture2FileName = me.Texture2->getName();
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}
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else
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me.Texture2FileName = name;
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me.MaterialType = video::EMT_REFLECTION_2_LAYER;
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}
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else
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if (!gotMainMap && !gotLightMap)
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{
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if ( getMeshTextureLoader() )
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{
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me.Texture1 = getMeshTextureLoader() ? getMeshTextureLoader()->getTexture(name) : NULL;
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if ( me.Texture1 )
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me.Texture1FileName = me.Texture1->getName();
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}
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else
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me.Texture1FileName = name;
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gotMainMap = true;
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me.MaterialType = video::EMT_SOLID;
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}
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else
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if (gotLightMap)
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{
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me.MaterialType = video::EMT_LIGHTMAP_M2;
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}
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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}
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// override material types based on their names
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if (!strncmp(me.Header.Name, "AlphaChannel-", 13))
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me.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
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else
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if (!strncmp(me.Header.Name, "SphereMap-", 10))
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me.MaterialType = video::EMT_SPHERE_MAP;
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}
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// loading meshes
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if (id!=MY3D_MESH_LIST_ID)
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{
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os::Printer::log("Can not find MY3D_MESH_LIST_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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for (s32 mesh_id=0; mesh_id<sceneHeader.MeshCount; mesh_id++)
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{
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// Warning!!! In some cases MY3D exporter uncorrectly calculates
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// MeshCount (it's a problem, has to be solved) thats why
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// i added this code line
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if (id!=MY3D_MESH_HEADER_ID)
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break;
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if (id!=MY3D_MESH_HEADER_ID)
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{
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os::Printer::log("Can not find MY3D_MESH_HEADER_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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SMyMeshHeader meshHeader;
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file->read(&meshHeader, sizeof(SMyMeshHeader));
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core::array <SMyVertex> Vertex;
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core::array <SMyFace> Face;
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core::array <SMyTVertex> TVertex1, TVertex2;
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core::array <SMyFace> TFace1, TFace2;
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s32 vertsNum=0;
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s32 facesNum=0;
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// vertices
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_VERTS_ID)
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{
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os::Printer::log("Can not find MY3D_VERTS_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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file->read(&vertsNum, sizeof(vertsNum));
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Vertex.set_used(vertsNum);
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file->read(Vertex.pointer(), sizeof(SMyVertex)*vertsNum);
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// faces
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_FACES_ID)
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{
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os::Printer::log("Can not find MY3D_FACES_ID, loading failed!", ELL_ERROR);
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return 0;
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}
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file->read(&facesNum, sizeof(facesNum));
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Face.set_used(facesNum);
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file->read(Face.pointer(), sizeof(SMyFace)*facesNum);
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// reading texture channels
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for (s32 tex=0; tex<(s32)meshHeader.TChannelCnt; tex++)
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{
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// Max 2 texture channels allowed (but in format .my3d can be more)
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s32 tVertsNum=0, tFacesNum=0;
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// reading texture coords
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_TVERTS_ID)
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{
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core::stringc msg="Can not find MY3D_TVERTS_ID (";
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msg.append(core::stringc(tex));
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msg.append("texture channel), loading failed!");
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os::Printer::log(msg.c_str(), ELL_ERROR);
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return 0;
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}
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file->read(&tVertsNum, sizeof(tVertsNum));
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if (tex==0)
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{
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// 1st texture channel
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TVertex1.set_used(tVertsNum);
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file->read(TVertex1.pointer(), sizeof(SMyTVertex)*tVertsNum);
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}
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else
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if (tex==1)
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{
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// 2nd texture channel
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TVertex2.set_used(tVertsNum);
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file->read(TVertex2.pointer(), sizeof(SMyTVertex)*tVertsNum);
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}
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else
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{
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// skip other texture channels
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file->seek(file->getPos()+sizeof(SMyTVertex)*tVertsNum);
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}
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// reading texture faces
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file->read(&id, sizeof(id));
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#ifdef __BIG_ENDIAN__
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id = os::Byteswap::byteswap(id);
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#endif
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if (id!=MY3D_TFACES_ID)
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{
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core::stringc msg="Can not find MY3D_TFACES_ID (";
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msg.append(core::stringc(tex));
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msg.append("texture channel), loading failed!");
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os::Printer::log(msg.c_str(), ELL_ERROR);
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return 0;
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}
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file->read(&tFacesNum, sizeof(tFacesNum));
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if (tex==0)
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{
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// 1st texture channel
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TFace1.set_used(tFacesNum);
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file->read(TFace1.pointer(), sizeof(SMyFace)*tFacesNum);
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}
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else if (tex==1)
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{
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// 2nd texture channel
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TFace2.set_used(tFacesNum);
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file->read(TFace2.pointer(), sizeof(SMyFace)*tFacesNum);
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}
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else
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{
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// skip other texture channels
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file->seek(file->getPos()+sizeof(SMyFace)*tFacesNum);
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}
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}
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// trying to find material
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SMyMaterialEntry* matEnt = getMaterialEntryByIndex(meshHeader.MatIndex);
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// creating geometry for the mesh
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// trying to find mesh buffer for this material
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SMeshBufferLightMap* buffer = getMeshBufferByMaterialIndex(meshHeader.MatIndex);
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if (!buffer ||
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(buffer->Vertices.size()+vertsNum) > SceneManager->getVideoDriver()->getMaximalPrimitiveCount())
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{
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// creating new mesh buffer for this material
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buffer = new scene::SMeshBufferLightMap();
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buffer->Material.MaterialType = video::EMT_LIGHTMAP_M2; // EMT_LIGHTMAP_M4 also possible
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buffer->Material.Wireframe = false;
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buffer->Material.Lighting = false;
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if (matEnt)
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{
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buffer->Material.MaterialType = matEnt->MaterialType;
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if (buffer->Material.MaterialType == video::EMT_REFLECTION_2_LAYER)
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{
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buffer->Material.Lighting = true;
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buffer->Material.setTexture(1, matEnt->Texture1);
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buffer->Material.setTexture(0, matEnt->Texture2);
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}
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else
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{
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buffer->Material.setTexture(0, matEnt->Texture1);
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buffer->Material.setTexture(1, matEnt->Texture2);
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}
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if (buffer->Material.MaterialType == video::EMT_TRANSPARENT_ALPHA_CHANNEL)
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{
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buffer->Material.BackfaceCulling = true;
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buffer->Material.Lighting = true;
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}
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else
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if (buffer->Material.MaterialType == video::EMT_SPHERE_MAP)
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{
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buffer->Material.Lighting = true;
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}
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buffer->Material.AmbientColor = video::SColor(
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matEnt->Header.AmbientColor.A, matEnt->Header.AmbientColor.R,
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matEnt->Header.AmbientColor.G, matEnt->Header.AmbientColor.B
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);
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buffer->Material.DiffuseColor = video::SColor(
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matEnt->Header.DiffuseColor.A, matEnt->Header.DiffuseColor.R,
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matEnt->Header.DiffuseColor.G, matEnt->Header.DiffuseColor.B
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);
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buffer->Material.EmissiveColor = video::SColor(
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matEnt->Header.EmissiveColor.A, matEnt->Header.EmissiveColor.R,
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matEnt->Header.EmissiveColor.G, matEnt->Header.EmissiveColor.B
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);
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buffer->Material.SpecularColor = video::SColor(
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matEnt->Header.SpecularColor.A, matEnt->Header.SpecularColor.R,
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matEnt->Header.SpecularColor.G, matEnt->Header.SpecularColor.B
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);
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}
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else
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{
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buffer->Material.setTexture(0, 0);
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buffer->Material.setTexture(1, 0);
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buffer->Material.AmbientColor = video::SColor(255, 255, 255, 255);
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buffer->Material.DiffuseColor = video::SColor(255, 255, 255, 255);
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buffer->Material.EmissiveColor = video::SColor(0, 0, 0, 0);
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buffer->Material.SpecularColor = video::SColor(0, 0, 0, 0);
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}
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if (matEnt && matEnt->Header.Transparency!=0)
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{
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if (buffer->Material.MaterialType == video::EMT_REFLECTION_2_LAYER )
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{
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buffer->Material.MaterialType = video::EMT_TRANSPARENT_REFLECTION_2_LAYER;
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buffer->Material.Lighting = true;
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buffer->Material.BackfaceCulling = true;
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}
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else
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{
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buffer->Material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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buffer->Material.Lighting = false;
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buffer->Material.BackfaceCulling = false;
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}
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}
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else if (
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!buffer->Material.getTexture(1) &&
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buffer->Material.MaterialType != video::EMT_TRANSPARENT_ALPHA_CHANNEL &&
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buffer->Material.MaterialType != video::EMT_SPHERE_MAP)
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{
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buffer->Material.MaterialType = video::EMT_SOLID;
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buffer->Material.Lighting = true;
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}
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MeshBufferEntry.push_back(
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SMyMeshBufferEntry(meshHeader.MatIndex, buffer));
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}
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video::S3DVertex2TCoords VertexA, VertexB, VertexC;
|
|
|
|
// vertices (A, B, C) color
|
|
video::SColor vert_color;
|
|
if (matEnt &&
|
|
(buffer->Material.MaterialType == video::EMT_TRANSPARENT_VERTEX_ALPHA ||
|
|
buffer->Material.MaterialType == video::EMT_TRANSPARENT_REFLECTION_2_LAYER))
|
|
{
|
|
video::SColor color(
|
|
matEnt->Header.DiffuseColor.A, matEnt->Header.DiffuseColor.R,
|
|
matEnt->Header.DiffuseColor.G, matEnt->Header.DiffuseColor.B);
|
|
|
|
vert_color = color.getInterpolated(video::SColor(0,0,0,0),
|
|
1-matEnt->Header.Transparency);
|
|
}
|
|
else
|
|
{
|
|
vert_color = buffer->Material.DiffuseColor;
|
|
}
|
|
|
|
VertexA.Color = VertexB.Color = VertexC.Color = vert_color;
|
|
|
|
if (buffer->Material.MaterialType == video::EMT_TRANSPARENT_ALPHA_CHANNEL)
|
|
{
|
|
buffer->Indices.reallocate(buffer->Indices.size()+6*facesNum);
|
|
buffer->Vertices.reallocate(buffer->Vertices.size()+6*facesNum);
|
|
}
|
|
else
|
|
{
|
|
buffer->Indices.reallocate(buffer->Indices.size()+3*facesNum);
|
|
buffer->Vertices.reallocate(buffer->Vertices.size()+3*facesNum);
|
|
}
|
|
for (int f=0; f<facesNum; f++)
|
|
{
|
|
// vertex A
|
|
|
|
VertexA.Pos.X = Vertex[Face[f].C].Coord.X;
|
|
VertexA.Pos.Y = Vertex[Face[f].C].Coord.Y;
|
|
VertexA.Pos.Z = Vertex[Face[f].C].Coord.Z;
|
|
|
|
VertexA.Normal.X = Vertex[Face[f].C].Normal.X;
|
|
VertexA.Normal.Y = Vertex[Face[f].C].Normal.Y;
|
|
VertexA.Normal.Z = Vertex[Face[f].C].Normal.Z;
|
|
|
|
if (meshHeader.TChannelCnt>0)
|
|
{
|
|
VertexA.TCoords.X = TVertex1[TFace1[f].C].TCoord.X;
|
|
VertexA.TCoords.Y = TVertex1[TFace1[f].C].TCoord.Y;
|
|
}
|
|
|
|
if (meshHeader.TChannelCnt>1)
|
|
{
|
|
VertexA.TCoords2.X = TVertex2[TFace2[f].C].TCoord.X;
|
|
VertexA.TCoords2.Y = TVertex2[TFace2[f].C].TCoord.Y;
|
|
}
|
|
|
|
// vertex B
|
|
|
|
VertexB.Pos.X = Vertex[Face[f].B].Coord.X;
|
|
VertexB.Pos.Y = Vertex[Face[f].B].Coord.Y;
|
|
VertexB.Pos.Z = Vertex[Face[f].B].Coord.Z;
|
|
|
|
VertexB.Normal.X = Vertex[Face[f].B].Normal.X;
|
|
VertexB.Normal.Y = Vertex[Face[f].B].Normal.Y;
|
|
VertexB.Normal.Z = Vertex[Face[f].B].Normal.Z;
|
|
|
|
if (meshHeader.TChannelCnt>0)
|
|
{
|
|
VertexB.TCoords.X = TVertex1[TFace1[f].B].TCoord.X;
|
|
VertexB.TCoords.Y = TVertex1[TFace1[f].B].TCoord.Y;
|
|
}
|
|
|
|
if (meshHeader.TChannelCnt>1)
|
|
{
|
|
VertexB.TCoords2.X = TVertex2[TFace2[f].B].TCoord.X;
|
|
VertexB.TCoords2.Y = TVertex2[TFace2[f].B].TCoord.Y;
|
|
}
|
|
|
|
// vertex C
|
|
|
|
VertexC.Pos.X = Vertex[Face[f].A].Coord.X;
|
|
VertexC.Pos.Y = Vertex[Face[f].A].Coord.Y;
|
|
VertexC.Pos.Z = Vertex[Face[f].A].Coord.Z;
|
|
|
|
VertexC.Normal.X = Vertex[Face[f].A].Normal.X;
|
|
VertexC.Normal.Y = Vertex[Face[f].A].Normal.Y;
|
|
VertexC.Normal.Z = Vertex[Face[f].A].Normal.Z;
|
|
|
|
if (meshHeader.TChannelCnt>0)
|
|
{
|
|
VertexC.TCoords.X = TVertex1[TFace1[f].A].TCoord.X;
|
|
VertexC.TCoords.Y = TVertex1[TFace1[f].A].TCoord.Y;
|
|
}
|
|
if (meshHeader.TChannelCnt>1)
|
|
{
|
|
VertexC.TCoords2.X = TVertex2[TFace2[f].A].TCoord.X;
|
|
VertexC.TCoords2.Y = TVertex2[TFace2[f].A].TCoord.Y;
|
|
}
|
|
|
|
// store 3d data in mesh buffer
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexA);
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexB);
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexC);
|
|
|
|
//*****************************************************************
|
|
// !!!!!! W A R N I N G !!!!!!!
|
|
//*****************************************************************
|
|
// For materials with alpha channel we duplicate all faces.
|
|
// This has be done for proper lighting calculation of the back faces.
|
|
// So you must remember this while you creating your models !!!!!
|
|
//*****************************************************************
|
|
// !!!!!! W A R N I N G !!!!!!!
|
|
//*****************************************************************
|
|
|
|
if (buffer->Material.MaterialType == video::EMT_TRANSPARENT_ALPHA_CHANNEL)
|
|
{
|
|
VertexA.Normal = core::vector3df(-VertexA.Normal.X, -VertexA.Normal.Y, -VertexA.Normal.Z);
|
|
VertexB.Normal = core::vector3df(-VertexB.Normal.X, -VertexB.Normal.Y, -VertexB.Normal.Z);
|
|
VertexC.Normal = core::vector3df(-VertexC.Normal.X, -VertexC.Normal.Y, -VertexC.Normal.Z);
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexC);
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexB);
|
|
|
|
buffer->Indices.push_back(buffer->Vertices.size());
|
|
buffer->Vertices.push_back(VertexA);
|
|
}
|
|
}
|
|
file->read(&id, sizeof(id));
|
|
#ifdef __BIG_ENDIAN__
|
|
id = os::Byteswap::byteswap(id);
|
|
#endif
|
|
}
|
|
|
|
// creating mesh
|
|
SMesh* mesh = new SMesh();
|
|
|
|
for (u32 num=0; num<MeshBufferEntry.size(); ++num)
|
|
{
|
|
SMeshBufferLightMap* buffer = MeshBufferEntry[num].MeshBuffer;
|
|
|
|
if (!buffer)
|
|
continue;
|
|
|
|
mesh->addMeshBuffer(buffer);
|
|
|
|
buffer->recalculateBoundingBox();
|
|
buffer->drop();
|
|
}
|
|
|
|
mesh->recalculateBoundingBox();
|
|
|
|
if (id != MY3D_FILE_END_ID)
|
|
os::Printer::log("Loading finished, but can not find MY3D_FILE_END_ID token.", ELL_WARNING);
|
|
|
|
SAnimatedMesh* am = new SAnimatedMesh();
|
|
|
|
am->addMesh(mesh);
|
|
mesh->drop();
|
|
am->recalculateBoundingBox();
|
|
|
|
return am;
|
|
}
|
|
|
|
|
|
video::ITexture* CMY3DMeshFileLoader::readEmbeddedLightmap(io::IReadFile* file, char* namebuf)
|
|
{
|
|
static int LightMapIndex=0;
|
|
u16 id;
|
|
file->read(&id, sizeof(id));
|
|
#ifdef __BIG_ENDIAN__
|
|
id = os::Byteswap::byteswap(id);
|
|
#endif
|
|
if (id!=MY3D_TEXDATA_HEADER_ID)
|
|
{
|
|
os::Printer::log("Can not find MY3D_TEXDATA_HEADER_ID, loading failed!", ELL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
SMyTexDataHeader texDataHeader;
|
|
|
|
file->read(&texDataHeader, sizeof(SMyTexDataHeader));
|
|
|
|
strcpy(texDataHeader.Name, namebuf);
|
|
|
|
char LightMapName[255];
|
|
sprintf(LightMapName,"My3D.Lightmap.%d",++LightMapIndex);
|
|
|
|
core::stringc pixFormatStr;
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_24)
|
|
pixFormatStr = "24bit,";
|
|
else
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_16)
|
|
pixFormatStr = "16bit,";
|
|
else
|
|
{
|
|
core::stringc msg="Unknown format of image data (";
|
|
msg.append(LightMapName);
|
|
msg.append("), loading failed!");
|
|
os::Printer::log(msg.c_str(), ELL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
if (texDataHeader.ComprMode != MY3D_TEXDATA_COMPR_NONE_ID &&
|
|
texDataHeader.ComprMode != MY3D_TEXDATA_COMPR_RLE_ID &&
|
|
texDataHeader.ComprMode != MY3D_TEXDATA_COMPR_SIMPLE_ID )
|
|
{
|
|
os::Printer::log("Unknown method of compression image data, loading failed!", ELL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
const u32 num_pixels = texDataHeader.Width*texDataHeader.Height;
|
|
|
|
void* data = 0;
|
|
|
|
if (texDataHeader.ComprMode==MY3D_TEXDATA_COMPR_NONE_ID)
|
|
{
|
|
// none compressed image data
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_24)
|
|
{
|
|
data = (void*) new SMyPixelColor24[num_pixels];
|
|
file->read(data, sizeof(SMyPixelColor24)*num_pixels);
|
|
}
|
|
else
|
|
{
|
|
data = (void*) new SMyPixelColor16[num_pixels];
|
|
file->read(data, sizeof(SMyPixelColor16)*num_pixels);
|
|
}
|
|
}
|
|
else
|
|
if (texDataHeader.ComprMode==MY3D_TEXDATA_COMPR_RLE_ID)
|
|
{
|
|
// read RLE header identificator
|
|
file->read(&id, sizeof(id));
|
|
#ifdef __BIG_ENDIAN__
|
|
id = os::Byteswap::byteswap(id);
|
|
#endif
|
|
if (id!=MY3D_TEXDATA_RLE_HEADER_ID)
|
|
{
|
|
os::Printer::log("Can not find MY3D_TEXDATA_RLE_HEADER_ID, loading failed!", ELL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
// read RLE header
|
|
SMyRLEHeader rleHeader;
|
|
file->read(&rleHeader, sizeof(SMyRLEHeader));
|
|
|
|
//allocate memory for input and output buffers
|
|
void *input_buffer = (void*) new unsigned char[rleHeader.nEncodedBytes];
|
|
void *output_buffer = (void*) new unsigned char[rleHeader.nDecodedBytes];
|
|
|
|
// read encoded data
|
|
file->read(input_buffer, rleHeader.nEncodedBytes);
|
|
|
|
// decode data
|
|
data = 0;//(void*) new unsigned char[rleHeader.nDecodedBytes];
|
|
s32 decodedBytes = core::rle_decode(
|
|
(unsigned char*)input_buffer, rleHeader.nEncodedBytes,
|
|
(unsigned char*)output_buffer, rleHeader.nDecodedBytes);
|
|
|
|
if (decodedBytes!=(s32)rleHeader.nDecodedBytes)
|
|
{
|
|
os::Printer::log("Error extracting data from RLE compression, loading failed!", ELL_ERROR);
|
|
return 0;
|
|
}
|
|
|
|
// free input buffer
|
|
delete [] (unsigned char*)input_buffer;
|
|
|
|
// here decoded data
|
|
data = output_buffer;
|
|
}
|
|
else if (texDataHeader.ComprMode==MY3D_TEXDATA_COMPR_SIMPLE_ID)
|
|
{
|
|
// simple compressed image data
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_24)
|
|
data = (void*) new SMyPixelColor24[num_pixels];
|
|
else
|
|
data = (void*) new SMyPixelColor16[num_pixels];
|
|
|
|
u32 nReadedPixels=0, nToRead=0;
|
|
while (true)
|
|
{
|
|
file->read(&nToRead, sizeof(nToRead));
|
|
|
|
if ((nReadedPixels+nToRead) > num_pixels)
|
|
break;
|
|
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_24)
|
|
{
|
|
SMyPixelColor24 col24;
|
|
file->read(&col24, sizeof(SMyPixelColor24));
|
|
for (u32 p=0; p<nToRead; p++)
|
|
{
|
|
((SMyPixelColor24*)data)[nReadedPixels+p] =
|
|
SMyPixelColor24(col24.r, col24.g, col24.b);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SMyPixelColor16 col16;
|
|
file->read(&col16, sizeof(SMyPixelColor16));
|
|
for (u32 p=0; p<nToRead; p++)
|
|
((SMyPixelColor16*)data)[nReadedPixels+p].argb = col16.argb;
|
|
}
|
|
|
|
nReadedPixels+=nToRead;
|
|
|
|
if (nReadedPixels >= num_pixels)
|
|
break;
|
|
}
|
|
|
|
if (nReadedPixels != num_pixels)
|
|
{
|
|
os::Printer::log("Image data seems to be corrupted, loading failed!", ELL_ERROR);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//! Creates a software image from a byte array.
|
|
video::IImage* light_img = 0;
|
|
|
|
if (texDataHeader.PixelFormat == MY3D_PIXEL_FORMAT_24)
|
|
{
|
|
// 24 bit lightmap format
|
|
light_img = SceneManager->getVideoDriver()->createImageFromData(
|
|
video::ECF_R8G8B8,
|
|
core::dimension2d<u32>(texDataHeader.Width, texDataHeader.Height),
|
|
data, true);
|
|
}
|
|
else
|
|
{
|
|
// 16 bit lightmap format
|
|
light_img = SceneManager->getVideoDriver()->createImageFromData(
|
|
video::ECF_A1R5G5B5,
|
|
core::dimension2d<u32>(texDataHeader.Width, texDataHeader.Height),
|
|
data, true);
|
|
}
|
|
|
|
const bool oldMipMapState = SceneManager->getVideoDriver()->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
|
|
SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
|
|
video::ITexture* lmtex = SceneManager->getVideoDriver()->addTexture(LightMapName, light_img);
|
|
SceneManager->getVideoDriver()->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, oldMipMapState);
|
|
|
|
light_img->drop();
|
|
return lmtex;
|
|
}
|
|
|
|
|
|
CMY3DMeshFileLoader::SMyMaterialEntry* CMY3DMeshFileLoader::getMaterialEntryByIndex(u32 matInd)
|
|
{
|
|
for (u32 m=0; m<MaterialEntry.size(); ++m)
|
|
if (MaterialEntry[m].Header.Index == matInd)
|
|
return &MaterialEntry[m];
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
SMeshBufferLightMap* CMY3DMeshFileLoader::getMeshBufferByMaterialIndex(u32 matInd)
|
|
{
|
|
for (u32 m=0; m<MeshBufferEntry.size(); ++m)
|
|
{
|
|
if (MeshBufferEntry[m].MaterialIndex == (s32)matInd)
|
|
return MeshBufferEntry[m].MeshBuffer;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
const core::array<ISceneNode*>& CMY3DMeshFileLoader::getChildNodes() const
|
|
{
|
|
return ChildNodes;
|
|
}
|
|
|
|
|
|
} // end namespace scnene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_MY3D_LOADER_
|
|
|