2008-05-09 17:24:28 +00:00
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/*
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---------------------------------------------------------------------------
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2008-05-22 10:20:31 +00:00
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Open Asset Import Library (ASSIMP)
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2008-05-09 17:24:28 +00:00
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---------------------------------------------------------------------------
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Copyright (c) 2006-2008, 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 following
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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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2008-05-05 12:36:31 +00:00
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/** @file Implementation of the MD2 importer class */
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#include "MD2Loader.h"
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#include "MaterialSystem.h"
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2008-08-08 23:58:40 +00:00
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#include "ByteSwap.h"
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2008-06-22 10:09:26 +00:00
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#include "MD2NormalTable.h" // shouldn't be included by other units
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2008-05-05 12:36:31 +00:00
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2008-08-28 17:35:36 +00:00
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// public ASSIMP headers
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#include "../include/assimp.hpp"
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2008-05-05 12:36:31 +00:00
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#include "../include/aiScene.h"
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#include "../include/aiAssert.h"
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2008-08-28 17:35:36 +00:00
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#include "../include/IOStream.h"
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#include "../include/IOSystem.h"
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2008-06-22 10:09:26 +00:00
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#include "../include/DefaultLogger.h"
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2008-05-05 12:36:31 +00:00
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2008-08-28 17:35:36 +00:00
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// boost headers
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2008-05-05 12:36:31 +00:00
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#include <boost/scoped_ptr.hpp>
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using namespace Assimp;
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2008-06-22 10:09:26 +00:00
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using namespace Assimp::MD2;
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// helper macro to determine the size of an array
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#if (!defined ARRAYSIZE)
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# define ARRAYSIZE(_array) (int(sizeof(_array) / sizeof(_array[0])))
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#endif
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2008-05-05 12:36:31 +00:00
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// ------------------------------------------------------------------------------------------------
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2008-06-22 10:09:26 +00:00
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// Helper function to lookup a normal in Quake 2's precalculated table
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void MD2::LookupNormalIndex(uint8_t iNormalIndex,aiVector3D& vOut)
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2008-05-05 12:36:31 +00:00
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{
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2008-06-22 10:09:26 +00:00
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// make sure the normal index has a valid value
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if (iNormalIndex >= ARRAYSIZE(g_avNormals))
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2008-05-05 12:36:31 +00:00
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{
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2008-08-08 18:29:05 +00:00
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DefaultLogger::get()->warn("Index overflow in Quake II normal vector list (the "
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2008-06-22 10:09:26 +00:00
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" LUT has only 162 entries). ");
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2008-05-05 12:36:31 +00:00
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2008-06-22 10:09:26 +00:00
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iNormalIndex = ARRAYSIZE(g_avNormals) - 1;
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}
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vOut = *((const aiVector3D*)(&g_avNormals[iNormalIndex]));
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2008-05-05 12:36:31 +00:00
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}
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2008-06-22 10:09:26 +00:00
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2008-05-05 12:36:31 +00:00
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// ------------------------------------------------------------------------------------------------
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// Constructor to be privately used by Importer
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MD2Importer::MD2Importer()
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{
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}
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// ------------------------------------------------------------------------------------------------
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// Destructor, private as well
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MD2Importer::~MD2Importer()
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{
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}
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// ------------------------------------------------------------------------------------------------
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// Returns whether the class can handle the format of the given file.
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bool MD2Importer::CanRead( const std::string& pFile, IOSystem* pIOHandler) const
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{
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// simple check of file extension is enough for the moment
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std::string::size_type pos = pFile.find_last_of('.');
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// no file extension - can't read
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if( pos == std::string::npos)
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return false;
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std::string extension = pFile.substr( pos);
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2008-06-22 10:09:26 +00:00
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if (extension.length() < 4)return false;
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if (extension[0] != '.')return false;
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if (extension[1] != 'm' && extension[1] != 'M')return false;
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if (extension[2] != 'd' && extension[2] != 'D')return false;
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if (extension[3] != '2')return false;
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2008-05-05 12:36:31 +00:00
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2008-06-22 10:09:26 +00:00
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return true;
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}
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// ------------------------------------------------------------------------------------------------
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2008-08-08 23:58:40 +00:00
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// Setup configuration properties
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void MD2Importer::SetupProperties(const Importer* pImp)
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{
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// The AI_CONFIG_IMPORT_MD2_KEYFRAME option overrides the
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// AI_CONFIG_IMPORT_GLOBAL_KEYFRAME option.
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2008-08-28 17:35:36 +00:00
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if(0xffffffff == (this->configFrameID = pImp->GetPropertyInteger(
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2008-08-08 23:58:40 +00:00
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AI_CONFIG_IMPORT_MD2_KEYFRAME,0xffffffff)))
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{
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2008-08-28 17:35:36 +00:00
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this->configFrameID = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_GLOBAL_KEYFRAME,0);
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2008-08-08 23:58:40 +00:00
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}
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}
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// ------------------------------------------------------------------------------------------------
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2008-06-22 10:09:26 +00:00
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// Validate the file header
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void MD2Importer::ValidateHeader( )
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{
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2008-08-08 18:29:05 +00:00
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// check magic number
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if (this->m_pcHeader->magic != AI_MD2_MAGIC_NUMBER_BE &&
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this->m_pcHeader->magic != AI_MD2_MAGIC_NUMBER_LE)
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{
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char szBuffer[5];
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szBuffer[0] = ((char*)&this->m_pcHeader->magic)[0];
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szBuffer[1] = ((char*)&this->m_pcHeader->magic)[1];
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szBuffer[2] = ((char*)&this->m_pcHeader->magic)[2];
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szBuffer[3] = ((char*)&this->m_pcHeader->magic)[3];
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szBuffer[4] = '\0';
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throw new ImportErrorException("Invalid MD2 magic word: should be IDP2, the "
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"magic word found is " + std::string(szBuffer));
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}
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// check file format version
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if (this->m_pcHeader->version != 8)
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DefaultLogger::get()->warn( "Unsupported md2 file version. Continuing happily ...");
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2008-08-08 23:58:40 +00:00
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// check some values whether they are valid
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if (0 == this->m_pcHeader->numFrames)
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throw new ImportErrorException( "Invalid md2 file: NUM_FRAMES is 0");
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if (this->m_pcHeader->offsetEnd > (int32_t)fileSize)
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throw new ImportErrorException( "Invalid md2 file: File is too small");
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if (this->m_pcHeader->offsetSkins + this->m_pcHeader->numSkins * sizeof (MD2::Skin) >= this->fileSize ||
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this->m_pcHeader->offsetTexCoords + this->m_pcHeader->numTexCoords * sizeof (MD2::TexCoord) >= this->fileSize ||
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this->m_pcHeader->offsetTriangles + this->m_pcHeader->numTriangles * sizeof (MD2::Triangle) >= this->fileSize ||
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this->m_pcHeader->offsetFrames + this->m_pcHeader->numFrames * sizeof (MD2::Frame) >= this->fileSize ||
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2008-06-22 10:09:26 +00:00
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this->m_pcHeader->offsetEnd > this->fileSize)
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{
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throw new ImportErrorException("Invalid MD2 header: some offsets are outside the file");
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}
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if (this->m_pcHeader->numSkins > AI_MD2_MAX_SKINS)
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DefaultLogger::get()->warn("The model contains more skins than Quake 2 supports");
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if ( this->m_pcHeader->numFrames > AI_MD2_MAX_FRAMES)
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DefaultLogger::get()->warn("The model contains more frames than Quake 2 supports");
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if (this->m_pcHeader->numVertices > AI_MD2_MAX_VERTS)
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DefaultLogger::get()->warn("The model contains more vertices than Quake 2 supports");
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2008-08-08 23:58:40 +00:00
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2008-08-09 22:39:57 +00:00
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if (this->m_pcHeader->numFrames <= this->configFrameID )
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2008-08-08 23:58:40 +00:00
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throw new ImportErrorException("The requested frame is not existing the file");
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2008-05-05 12:36:31 +00:00
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}
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// ------------------------------------------------------------------------------------------------
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// Imports the given file into the given scene structure.
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2008-08-08 23:58:40 +00:00
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void MD2Importer::InternReadFile( const std::string& pFile,
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aiScene* pScene, IOSystem* pIOHandler)
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2008-05-05 12:36:31 +00:00
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{
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boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
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// Check whether we can read from the file
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if( file.get() == NULL)
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2008-08-08 23:58:40 +00:00
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throw new ImportErrorException( "Failed to open MD2 file " + pFile + "");
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2008-05-05 12:36:31 +00:00
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// check whether the md3 file is large enough to contain
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// at least the file header
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2008-06-22 10:09:26 +00:00
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fileSize = (unsigned int)file->FileSize();
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2008-05-05 12:36:31 +00:00
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if( fileSize < sizeof(MD2::Header))
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2008-08-08 23:58:40 +00:00
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throw new ImportErrorException( "MD2 File is too small");
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2008-05-05 12:36:31 +00:00
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2008-08-28 17:35:36 +00:00
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std::vector<unsigned char> mBuffer2(fileSize);
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file->Read(&mBuffer2[0], 1, fileSize);
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this->mBuffer = &mBuffer2[0];
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2008-05-05 12:36:31 +00:00
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2008-08-28 17:35:36 +00:00
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this->m_pcHeader = (const MD2::Header*)this->mBuffer;
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2008-05-05 12:36:31 +00:00
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2008-08-08 23:58:40 +00:00
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#ifdef AI_BUILD_BIG_ENDIAN
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2008-08-28 17:35:36 +00:00
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ByteSwap::Swap4(&m_pcHeader->frameSize);
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ByteSwap::Swap4(&m_pcHeader->magic);
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ByteSwap::Swap4(&m_pcHeader->numFrames);
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ByteSwap::Swap4(&m_pcHeader->numGlCommands);
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ByteSwap::Swap4(&m_pcHeader->numSkins);
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ByteSwap::Swap4(&m_pcHeader->numTexCoords);
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ByteSwap::Swap4(&m_pcHeader->numTriangles);
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ByteSwap::Swap4(&m_pcHeader->numVertices);
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ByteSwap::Swap4(&m_pcHeader->offsetEnd);
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ByteSwap::Swap4(&m_pcHeader->offsetFrames);
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ByteSwap::Swap4(&m_pcHeader->offsetGlCommands);
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ByteSwap::Swap4(&m_pcHeader->offsetSkins);
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ByteSwap::Swap4(&m_pcHeader->offsetTexCoords);
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ByteSwap::Swap4(&m_pcHeader->offsetTriangles);
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ByteSwap::Swap4(&m_pcHeader->skinHeight);
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ByteSwap::Swap4(&m_pcHeader->skinWidth);
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ByteSwap::Swap4(&m_pcHeader->version);
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2008-08-08 23:58:40 +00:00
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#endif
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2008-08-28 17:35:36 +00:00
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this->ValidateHeader();
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2008-05-05 12:36:31 +00:00
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2008-08-28 17:35:36 +00:00
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// there won't be more than one mesh inside the file
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pScene->mNumMaterials = 1;
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pScene->mRootNode = new aiNode();
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pScene->mRootNode->mNumMeshes = 1;
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pScene->mRootNode->mMeshes = new unsigned int[1];
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pScene->mRootNode->mMeshes[0] = 0;
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pScene->mMaterials = new aiMaterial*[1];
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pScene->mMaterials[0] = new MaterialHelper();
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pScene->mNumMeshes = 1;
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pScene->mMeshes = new aiMesh*[1];
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aiMesh* pcMesh = pScene->mMeshes[0] = new aiMesh();
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// navigate to the begin of the frame data
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const MD2::Frame* pcFrame = (const MD2::Frame*) ((uint8_t*)
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this->m_pcHeader + this->m_pcHeader->offsetFrames);
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pcFrame += this->configFrameID;
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// navigate to the begin of the triangle data
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MD2::Triangle* pcTriangles = (MD2::Triangle*) ((uint8_t*)
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this->m_pcHeader + this->m_pcHeader->offsetTriangles);
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// navigate to the begin of the tex coords data
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const MD2::TexCoord* pcTexCoords = (const MD2::TexCoord*) ((uint8_t*)
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this->m_pcHeader + this->m_pcHeader->offsetTexCoords);
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// navigate to the begin of the vertex data
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const MD2::Vertex* pcVerts = (const MD2::Vertex*) (pcFrame->vertices);
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2008-08-06 23:01:38 +00:00
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2008-08-08 23:58:40 +00:00
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#ifdef AI_BUILD_BIG_ENDIAN
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2008-08-28 17:35:36 +00:00
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for (uint32_t i = 0; i< m_pcHeader->numTriangles)
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{
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for (unsigned int p = 0; p < 3;++p)
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2008-08-08 23:58:40 +00:00
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{
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2008-08-28 17:35:36 +00:00
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ByteSwap::Swap2(& pcTriangles[i].textureIndices[p]);
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ByteSwap::Swap2(& pcTriangles[i].vertexIndices[p]);
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2008-08-08 23:58:40 +00:00
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}
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2008-08-28 17:35:36 +00:00
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}
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for (uint32_t i = 0; i < m_pcHeader->offsetTexCoords;++i)
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{
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ByteSwap::Swap2(& pcTexCoords[i].s);
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ByteSwap::Swap2(& pcTexCoords[i].t);
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}
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ByteSwap::Swap4( & pcFrame->scale[0] );
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ByteSwap::Swap4( & pcFrame->scale[1] );
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ByteSwap::Swap4( & pcFrame->scale[2] );
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ByteSwap::Swap4( & pcFrame->translate[0] );
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ByteSwap::Swap4( & pcFrame->translate[1] );
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ByteSwap::Swap4( & pcFrame->translate[2] );
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2008-08-08 23:58:40 +00:00
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#endif
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2008-08-28 17:35:36 +00:00
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pcMesh->mNumFaces = this->m_pcHeader->numTriangles;
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pcMesh->mFaces = new aiFace[this->m_pcHeader->numTriangles];
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// allocate output storage
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pcMesh->mNumVertices = (unsigned int)pcMesh->mNumFaces*3;
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pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices];
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pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices];
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2008-08-06 23:01:38 +00:00
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2008-08-28 17:35:36 +00:00
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// not sure whether there are MD2 files without texture coordinates
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// NOTE: texture coordinates can be there without a texture,
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// but a texture can't be there without a valid UV channel
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if (this->m_pcHeader->numTexCoords && this->m_pcHeader->numSkins)
|
|
|
|
{
|
|
|
|
// navigate to the first texture associated with the mesh
|
|
|
|
const MD2::Skin* pcSkins = (const MD2::Skin*) ((unsigned char*)this->m_pcHeader +
|
|
|
|
this->m_pcHeader->offsetSkins);
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
const int iMode = (int)aiShadingMode_Gouraud;
|
|
|
|
MaterialHelper* pcHelper = (MaterialHelper*)pScene->mMaterials[0];
|
|
|
|
pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL);
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
aiColor3D clr;
|
|
|
|
clr.b = clr.g = clr.r = 1.0f;
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_DIFFUSE);
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_SPECULAR);
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
clr.b = clr.g = clr.r = 0.05f;
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT);
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
if (pcSkins->name[0])
|
|
|
|
{
|
|
|
|
aiString szString;
|
|
|
|
const size_t iLen = ::strlen(pcSkins->name);
|
|
|
|
::memcpy(szString.data,pcSkins->name,iLen);
|
|
|
|
szString.data[iLen] = '\0';
|
|
|
|
szString.length = iLen;
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0));
|
2008-06-22 10:09:26 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2008-08-28 17:35:36 +00:00
|
|
|
DefaultLogger::get()->warn("Texture file name has zero length. It will be skipped.");
|
2008-06-22 10:09:26 +00:00
|
|
|
}
|
2008-08-28 17:35:36 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// apply a default material
|
|
|
|
const int iMode = (int)aiShadingMode_Gouraud;
|
|
|
|
MaterialHelper* pcHelper = (MaterialHelper*)pScene->mMaterials[0];
|
|
|
|
pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL);
|
|
|
|
|
|
|
|
aiColor3D clr;
|
|
|
|
clr.b = clr.g = clr.r = 0.6f;
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_DIFFUSE);
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_SPECULAR);
|
|
|
|
|
|
|
|
clr.b = clr.g = clr.r = 0.05f;
|
|
|
|
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT);
|
|
|
|
|
|
|
|
aiString szName;
|
|
|
|
szName.Set(AI_DEFAULT_MATERIAL_NAME);
|
|
|
|
pcHelper->AddProperty(&szName,AI_MATKEY_NAME);
|
|
|
|
}
|
2008-05-05 12:36:31 +00:00
|
|
|
|
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// now read all triangles of the first frame, apply scaling and translation
|
|
|
|
unsigned int iCurrent = 0;
|
2008-06-22 10:09:26 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
float fDivisorU,fDivisorV;
|
|
|
|
if (this->m_pcHeader->numTexCoords)
|
|
|
|
{
|
|
|
|
// allocate storage for texture coordinates, too
|
|
|
|
pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices];
|
|
|
|
pcMesh->mNumUVComponents[0] = 2;
|
2008-08-06 23:01:38 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// check whether the skin width or height are zero (this would
|
|
|
|
// cause a division through zero)
|
|
|
|
if (!this->m_pcHeader->skinWidth)
|
|
|
|
{
|
|
|
|
DefaultLogger::get()->error("Skin width is zero but there are "
|
|
|
|
"valid absolute texture coordinates. Unable to compute "
|
|
|
|
"relative texture coordinates ranging from 0 to 1");
|
|
|
|
fDivisorU = 1.0f;
|
|
|
|
}
|
|
|
|
else fDivisorU = (float)this->m_pcHeader->skinWidth;
|
|
|
|
if (!this->m_pcHeader->skinHeight)
|
|
|
|
{
|
|
|
|
DefaultLogger::get()->error("Skin height is zero but there are "
|
|
|
|
"valid absolute texture coordinates. Unable to compute "
|
|
|
|
"relative texture coordinates ranging from 0 to 1");
|
|
|
|
fDivisorV = 1.0f;
|
2008-06-22 10:09:26 +00:00
|
|
|
}
|
2008-08-28 17:35:36 +00:00
|
|
|
else fDivisorV = (float)this->m_pcHeader->skinHeight;
|
|
|
|
}
|
2008-05-25 22:29:05 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
for (unsigned int i = 0; i < (unsigned int)this->m_pcHeader->numTriangles;++i)
|
|
|
|
{
|
|
|
|
// allocate the face
|
|
|
|
pScene->mMeshes[0]->mFaces[i].mIndices = new unsigned int[3];
|
|
|
|
pScene->mMeshes[0]->mFaces[i].mNumIndices = 3;
|
|
|
|
|
|
|
|
// copy texture coordinates
|
|
|
|
// check whether they are different from the previous value at this index.
|
|
|
|
// In this case, create a full separate set of vertices/normals/texcoords
|
|
|
|
unsigned int iTemp = iCurrent;
|
|
|
|
for (unsigned int c = 0; c < 3;++c,++iCurrent)
|
2008-05-05 12:36:31 +00:00
|
|
|
{
|
2008-08-28 17:35:36 +00:00
|
|
|
// validate vertex indices
|
|
|
|
if (pcTriangles[i].vertexIndices[c] >= this->m_pcHeader->numVertices)
|
2008-05-05 12:36:31 +00:00
|
|
|
{
|
2008-08-28 17:35:36 +00:00
|
|
|
DefaultLogger::get()->error("Vertex index is outside the allowed range");
|
|
|
|
pcTriangles[i].vertexIndices[c] = this->m_pcHeader->numVertices-1;
|
|
|
|
}
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// copy face indices
|
|
|
|
unsigned int iIndex = (unsigned int)pcTriangles[i].vertexIndices[c];
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// read x,y, and z component of the vertex
|
|
|
|
aiVector3D& vec = pcMesh->mVertices[iCurrent];
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
vec.x = (float)pcVerts[iIndex].vertex[0] * pcFrame->scale[0];
|
|
|
|
vec.x += pcFrame->translate[0];
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// (flip z and y component)
|
|
|
|
// FIX: no .... invert y instead
|
|
|
|
vec.y = (float)pcVerts[iIndex].vertex[1] * pcFrame->scale[1];
|
|
|
|
vec.y += pcFrame->translate[1];
|
|
|
|
vec.y *= -1.0f;
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
vec.z = (float)pcVerts[iIndex].vertex[2] * pcFrame->scale[2];
|
|
|
|
vec.z += pcFrame->translate[2];
|
2008-05-09 17:24:28 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
// read the normal vector from the precalculated normal table
|
|
|
|
aiVector3D& vNormal = pcMesh->mNormals[iCurrent];
|
|
|
|
LookupNormalIndex(pcVerts[iIndex].lightNormalIndex,vNormal);
|
|
|
|
vNormal.y *= -1.0f;
|
2008-05-05 12:36:31 +00:00
|
|
|
|
2008-08-28 17:35:36 +00:00
|
|
|
if (this->m_pcHeader->numTexCoords)
|
|
|
|
{
|
|
|
|
// validate texture coordinates
|
|
|
|
if (pcTriangles[iIndex].textureIndices[c] >= this->m_pcHeader->numTexCoords)
|
2008-06-22 10:09:26 +00:00
|
|
|
{
|
2008-08-28 17:35:36 +00:00
|
|
|
DefaultLogger::get()->error("UV index is outside the allowed range");
|
|
|
|
pcTriangles[iIndex].textureIndices[c] = this->m_pcHeader->numTexCoords-1;
|
2008-06-22 10:09:26 +00:00
|
|
|
}
|
2008-08-28 17:35:36 +00:00
|
|
|
|
|
|
|
aiVector3D& pcOut = pcMesh->mTextureCoords[0][iCurrent];
|
|
|
|
float u,v;
|
|
|
|
|
|
|
|
// the texture coordinates are absolute values but we
|
|
|
|
// need relative values between 0 and 1
|
|
|
|
u = (float)pcTexCoords[pcTriangles[i].textureIndices[c]].s / fDivisorU;
|
|
|
|
v = (float)pcTexCoords[pcTriangles[i].textureIndices[c]].t / fDivisorV;
|
|
|
|
pcOut.x = u;
|
|
|
|
pcOut.y = 1.0f - v; // FIXME: Is this correct for MD2?
|
2008-05-05 12:36:31 +00:00
|
|
|
}
|
|
|
|
}
|
2008-08-28 17:35:36 +00:00
|
|
|
// FIX: flip the face order for use with OpenGL
|
|
|
|
pScene->mMeshes[0]->mFaces[i].mIndices[0] = iTemp+2;
|
|
|
|
pScene->mMeshes[0]->mFaces[i].mIndices[1] = iTemp+1;
|
|
|
|
pScene->mMeshes[0]->mFaces[i].mIndices[2] = iTemp+0;
|
2008-05-05 12:36:31 +00:00
|
|
|
}
|
2008-08-08 18:29:05 +00:00
|
|
|
}
|