// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void OFFImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile, "rb"));
// Check whether we can read from the file
if( file.get() == NULL)
throw new ImportErrorException( "Failed to open OFF file " + pFile + ".");
unsigned int fileSize = (unsigned int)file->FileSize();
// allocate storage and copy the contents of the file to a memory buffer
std::vector<char> mBuffer2(fileSize+1);
file->Read(&mBuffer2[0], 1, fileSize);
mBuffer2[fileSize] = '\0';
const char* buffer = &mBuffer2[0];
char line[4096];
GetNextLine(buffer,line);
if ('O' == line[0])GetNextLine(buffer,line); // skip the 'OFF' line
const char* sz = line; SkipSpaces(&sz);
const unsigned int numVertices = strtol10(sz,&sz);SkipSpaces(&sz);
const unsigned int numFaces = strtol10(sz,&sz);
pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes = 1 ];
aiMesh* mesh = pScene->mMeshes[0] = new aiMesh();
aiFace* faces = mesh->mFaces = new aiFace [mesh->mNumFaces = numFaces];
std::vector<aiVector3D> tempPositions(numVertices);
// now read all vertex lines
for (unsigned int i = 0; i< numVertices;++i)
{
if(!GetNextLine(buffer,line))
{
DefaultLogger::get()->error("OFF: The number of verts in the header is incorrect");
break;
}
aiVector3D& v = tempPositions[i];
sz = line; SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)v.x); SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)v.y); SkipSpaces(&sz);
fast_atof_move(sz,(float&)v.z);
}
// First find out how many vertices we'll need
const char* old = buffer;
for (unsigned int i = 0; i< mesh->mNumFaces;++i)
{
if(!GetNextLine(buffer,line))
{
DefaultLogger::get()->error("OFF: The number of faces in the header is incorrect");
break;
}
sz = line;SkipSpaces(&sz);
if(!(faces->mNumIndices = strtol10(sz,&sz)) || faces->mNumIndices > 9)
{
DefaultLogger::get()->error("OFF: Faces with zero indices aren't allowed");
--mesh->mNumFaces;
continue;
}
mesh->mNumVertices += faces->mNumIndices;
++faces;
}
if (!mesh->mNumVertices)
throw new ImportErrorException("OFF: There are no valid faces");
// allocate storage for the output vertices
aiVector3D* verts = mesh->mVertices = new aiVector3D[mesh->mNumVertices];
// second: now parse all face indices
buffer = old;faces = mesh->mFaces;
for (unsigned int i = 0, p = 0; i< mesh->mNumFaces;)
{
if(!GetNextLine(buffer,line))break;
unsigned int idx;
sz = line;SkipSpaces(&sz);
if(!(idx = strtol10(sz,&sz)) || idx > 9)
continue;
faces->mIndices = new unsigned int [faces->mNumIndices];
for (unsigned int m = 0; m < faces->mNumIndices;++m)
{
SkipSpaces(&sz);
if ((idx = strtol10(sz,&sz)) >= numVertices)
{
DefaultLogger::get()->error("OFF: Vertex index is out of range");
idx = numVertices-1;
}
faces->mIndices[m] = p++;
*verts++ = tempPositions[idx];
}
++i;
++faces;
}
// generate the output node graph
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set("<OFFRoot>");
pScene->mRootNode->mMeshes = new unsigned int [pScene->mRootNode->mNumMeshes = 1];
pScene->mRootNode->mMeshes[0] = 0;
// generate a default material
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials = 1];
MaterialHelper* pcMat = new MaterialHelper();
aiColor4D clr(0.6f,0.6f,0.6f,1.0f);
pcMat->AddProperty(&clr,1,AI_MATKEY_COLOR_DIFFUSE);
pScene->mMaterials[0] = pcMat;
const int twosided =1;
pcMat->AddProperty(&twosided,1,AI_MATKEY_TWOSIDED);
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void RAWImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile, "rb"));
// Check whether we can read from the file
if( file.get() == NULL)
throw new ImportErrorException( "Failed to open RAW file " + pFile + ".");
unsigned int fileSize = (unsigned int)file->FileSize();
// allocate storage and copy the contents of the file to a memory buffer
// (terminate it with zero)
std::vector<char> mBuffer2(fileSize+1);
file->Read(&mBuffer2[0], 1, fileSize);
mBuffer2[fileSize] = '\0';
const char* buffer = &mBuffer2[0];
// list of groups loaded from the file
std::vector< GroupInformation > outGroups(1,GroupInformation("<default>"));
std::vector< GroupInformation >::iterator curGroup = outGroups.begin();
// now read all lines
char line[4096];
while (GetNextLine(buffer,line))
{
// if the line starts with a non-numeric identifier, it marks
// the beginning of a new group
const char* sz = line;SkipSpaces(&sz);
if (IsLineEnd(*sz))continue;
if (!IsNumeric(*sz))
{
const char* sz2 = sz;
while (!IsSpaceOrNewLine(*sz2))++sz2;
const unsigned int length = (unsigned int)(sz2-sz);
// find an existing group with this name
for (std::vector< GroupInformation >::iterator it = outGroups.begin(), end = outGroups.end();
it != end;++it)
{
if (length == (*it).name.length() && !::strcmp(sz,(*it).name.c_str()))
{
curGroup = it;sz2 = NULL;
break;
}
}
if (sz2)
{
outGroups.push_back(GroupInformation(std::string(sz,length)));
curGroup = outGroups.end()-1;
}
}
else
{
// there can be maximally 12 floats plus an extra texture file name
float data[12];
unsigned int num;
for (num = 0; num < 12;++num)
{
if(!SkipSpaces(&sz) || !IsNumeric(*sz))break;
sz = fast_atof_move(sz,data[num]);
}
if (num != 12 && num != 9)
{
DefaultLogger::get()->error("A line may have either 9 or 12 floats and an optional texture");
continue;
}
MeshInformation* output = NULL;
const char* sz2 = sz;
unsigned int length;
if (!IsLineEnd(*sz))
{
while (!IsSpaceOrNewLine(*sz2))++sz2;
length = (unsigned int)(sz2-sz);
}
else if (9 == num)
{
sz = "%default%";
length = 9;
}
else
{
sz = "";
length = 0;
}
// search in the list of meshes whether we have one with this texture
for (std::vector< MeshInformation >::iterator it = (*curGroup).meshes.begin(),
end = (*curGroup).meshes.end(); it != end; ++it)
{
if (length == (*it).name.length() && (length ? !::strcmp(sz,(*it).name.c_str()) : true))
{
output = &(*it);
break;
}
}
// if we don't have the mesh, create it
if (!output)
{
(*curGroup).meshes.push_back(MeshInformation(std::string(sz,length)));
output = &((*curGroup).meshes.back());
}
if (12 == num)
{
aiColor4D v(data[0],data[1],data[2],1.0f);
output->colors.push_back(v);
output->colors.push_back(v);
output->colors.push_back(v);
output->vertices.push_back(aiVector3D(data[3],data[4],data[5]));
output->vertices.push_back(aiVector3D(data[6],data[7],data[8]));
output->vertices.push_back(aiVector3D(data[9],data[10],data[11]));
}
else
{
output->vertices.push_back(aiVector3D(data[0],data[1],data[2]));
output->vertices.push_back(aiVector3D(data[3],data[4],data[5]));
output->vertices.push_back(aiVector3D(data[6],data[7],data[8]));
}
}
}
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set("<RawRoot>");
// count the number of valid groups
// (meshes can't be empty)
for (std::vector< GroupInformation >::iterator it = outGroups.begin(), end = outGroups.end();
it != end;++it)
{
if (!(*it).meshes.empty())
{
++pScene->mRootNode->mNumChildren;
pScene->mNumMeshes += (unsigned int)(*it).meshes.size();
}
}
if (!pScene->mNumMeshes)
{
throw new ImportErrorException("RAW: No meshes loaded. The file seems to be corrupt or empty.");
}
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
aiNode** cc;
if (1 == pScene->mRootNode->mNumChildren)
{
cc = &pScene->mRootNode;
pScene->mRootNode->mNumChildren = 0;
}
else cc = pScene->mRootNode->mChildren = new aiNode*[pScene->mRootNode->mNumChildren];
pScene->mNumMaterials = pScene->mNumMeshes;
aiMaterial** mats = pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
unsigned int meshIdx = 0;
for (std::vector< GroupInformation >::iterator it = outGroups.begin(), end = outGroups.end();
it != end;++it)
{
if ((*it).meshes.empty())continue;
aiNode* node;
if (pScene->mRootNode->mNumChildren)
{
node = *cc = new aiNode();
node->mParent = pScene->mRootNode;
}
else node = *cc;++cc;
node->mName.Set((*it).name);
// add all meshes
node->mNumMeshes = (unsigned int)(*it).meshes.size();
unsigned int* pi = node->mMeshes = new unsigned int[ node->mNumMeshes ];
for (std::vector< MeshInformation >::iterator it2 = (*it).meshes.begin(),
end2 = (*it).meshes.end(); it2 != end2; ++it2)
{
ai_assert(!(*it2).vertices.empty());
// allocate the mesh
*pi++ = meshIdx;
aiMesh* mesh = pScene->mMeshes[meshIdx] = new aiMesh();
mesh->mMaterialIndex = meshIdx++;
mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
// allocate storage for the vertex components and copy them
mesh->mNumVertices = (unsigned int)(*it2).vertices.size();
mesh->mVertices = new aiVector3D[ mesh->mNumVertices ];
::memcpy(mesh->mVertices,&(*it2).vertices[0],sizeof(aiVector3D)*mesh->mNumVertices);
if ((*it2).colors.size())
{
ai_assert((*it2).colors.size() == mesh->mNumVertices);
mesh->mColors[0] = new aiColor4D[ mesh->mNumVertices ];
::memcpy(mesh->mColors[0],&(*it2).colors[0],sizeof(aiColor4D)*mesh->mNumVertices);
}
// generate triangles
ai_assert(0 == mesh->mNumVertices % 3);
aiFace* fc = mesh->mFaces = new aiFace[ mesh->mNumFaces = mesh->mNumVertices/3 ];
aiFace* const fcEnd = fc + mesh->mNumFaces;
unsigned int n = 0;
while (fc != fcEnd)
{
aiFace& f = *fc++;
f.mIndices = new unsigned int[f.mNumIndices = 3];
for (unsigned int m = 0; m < 3;++m)
f.mIndices[m] = n++;
}
// generate a material for the mesh
MaterialHelper* mat = new MaterialHelper();
aiColor4D clr(1.0f,1.0f,1.0f,1.0f);
if ("%default%" == (*it2).name) // a gray default material
{
clr.r = clr.g = clr.b = 0.6f;
}
else if ((*it2).name.length() > 0) // a texture
{
aiString s;
s.Set((*it2).name);
mat->AddProperty(&s,AI_MATKEY_TEXTURE_DIFFUSE(0));
}
mat->AddProperty<aiColor4D>(&clr,1,AI_MATKEY_COLOR_DIFFUSE);
*mats++ = mat;
}
}
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void DXFImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL) {
throw DeadlyImportError( "Failed to open DXF file " + pFile + "");
}
// read the contents of the file in a buffer
std::vector<char> buffer2;
TextFileToBuffer(file.get(),buffer2);
buffer = &buffer2[0];
bRepeat = false;
mDefaultLayer = NULL;
// check whether this is a binaray DXF file - we can't read binary DXF files :-(
if (!strncmp(AI_DXF_BINARY_IDENT,buffer,AI_DXF_BINARY_IDENT_LEN))
throw DeadlyImportError("DXF: Binary files are not supported at the moment");
// now get all lines of the file
while (GetNextToken()) {
if (2 == groupCode) {
// ENTITIES and BLOCKS sections - skip the whole rest, no need to waste our time with them
if (!::strcmp(cursor,"ENTITIES") || !::strcmp(cursor,"BLOCKS")) {
if (!ParseEntities())
break;
else bRepeat = true;
}
// other sections - skip them to make sure there will be no name conflicts
else {
while ( GetNextToken()) {
if (!::strcmp(cursor,"ENDSEC"))
break;
}
}
}
// print comment strings
else if (999 == groupCode) {
DefaultLogger::get()->info(std::string( cursor ));
}
else if (!groupCode && !::strcmp(cursor,"EOF"))
break;
}
// find out how many valud layers we have
for (std::vector<LayerInfo>::const_iterator it = mLayers.begin(),end = mLayers.end(); it != end;++it) {
if (!(*it).vPositions.empty())
++pScene->mNumMeshes;
}
if (!pScene->mNumMeshes)
throw DeadlyImportError("DXF: this file contains no 3d data");
pScene->mMeshes = new aiMesh*[ pScene->mNumMeshes ];
unsigned int m = 0;
for (std::vector<LayerInfo>::const_iterator it = mLayers.begin(),end = mLayers.end();it != end;++it) {
if ((*it).vPositions.empty()) {
continue;
}
// generate the output mesh
aiMesh* pMesh = pScene->mMeshes[m++] = new aiMesh();
const std::vector<aiVector3D>& vPositions = (*it).vPositions;
const std::vector<aiColor4D>& vColors = (*it).vColors;
// check whether we need vertex colors here
aiColor4D* clrOut = NULL;
const aiColor4D* clr = NULL;
for (std::vector<aiColor4D>::const_iterator it2 = (*it).vColors.begin(), end2 = (*it).vColors.end();it2 != end2; ++it2) {
if ((*it2).r == (*it2).r) /* qnan? */ {
clrOut = pMesh->mColors[0] = new aiColor4D[vPositions.size()];
for (unsigned int i = 0; i < vPositions.size();++i)
clrOut[i] = aiColor4D(0.6f,0.6f,0.6f,1.0f);
clr = &vColors[0];
break;
}
}
pMesh->mNumFaces = (unsigned int)vPositions.size() / 4u;
pMesh->mFaces = new aiFace[pMesh->mNumFaces];
aiVector3D* vpOut = pMesh->mVertices = new aiVector3D[vPositions.size()];
const aiVector3D* vp = &vPositions[0];
for (unsigned int i = 0; i < pMesh->mNumFaces;++i) {
aiFace& face = pMesh->mFaces[i];
// check whether we need four, three or two indices here
if (vp[1] == vp[2]) {
face.mNumIndices = 2;
}
else if (vp[3] == vp[2]) {
face.mNumIndices = 3;
}
else face.mNumIndices = 4;
face.mIndices = new unsigned int[face.mNumIndices];
for (unsigned int a = 0; a < face.mNumIndices;++a) {
*vpOut++ = vp[a];
if (clr) {
if (is_not_qnan( clr[a].r )) {
*clrOut = clr[a];
}
++clrOut;
}
face.mIndices[a] = pMesh->mNumVertices++;
}
vp += 4;
}
}
// generate the output scene graph
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set("<DXF_ROOT>");
if (1 == pScene->mNumMeshes) {
pScene->mRootNode->mMeshes = new unsigned int[ pScene->mRootNode->mNumMeshes = 1 ];
pScene->mRootNode->mMeshes[0] = 0;
}
else
{
pScene->mRootNode->mChildren = new aiNode*[ pScene->mRootNode->mNumChildren = pScene->mNumMeshes ];
for (m = 0; m < pScene->mRootNode->mNumChildren;++m) {
aiNode* p = pScene->mRootNode->mChildren[m] = new aiNode();
p->mName.length = ::strlen( mLayers[m].name );
strcpy_s(p->mName.data, mLayers[m].name);
p->mMeshes = new unsigned int[p->mNumMeshes = 1];
p->mMeshes[0] = m;
p->mParent = pScene->mRootNode;
}
}
// generate a default material
MaterialHelper* pcMat = new MaterialHelper();
aiString s;
s.Set(AI_DEFAULT_MATERIAL_NAME);
pcMat->AddProperty(&s, AI_MATKEY_NAME);
aiColor4D clrDiffuse(0.6f,0.6f,0.6f,1.0f);
pcMat->AddProperty(&clrDiffuse,1,AI_MATKEY_COLOR_DIFFUSE);
clrDiffuse = aiColor4D(1.0f,1.0f,1.0f,1.0f);
pcMat->AddProperty(&clrDiffuse,1,AI_MATKEY_COLOR_SPECULAR);
clrDiffuse = aiColor4D(0.05f,0.05f,0.05f,1.0f);
pcMat->AddProperty(&clrDiffuse,1,AI_MATKEY_COLOR_AMBIENT);
pScene->mNumMaterials = 1;
pScene->mMaterials = new aiMaterial*[1];
pScene->mMaterials[0] = pcMat;
// flip winding order to be ccw
FlipWindingOrderProcess flipper;
flipper.Execute(pScene);
// --- everything destructs automatically ---
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void MD2Importer::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL)
throw new ImportErrorException( "Failed to open MD2 file " + pFile + "");
// check whether the md3 file is large enough to contain
// at least the file header
fileSize = (unsigned int)file->FileSize();
if( fileSize < sizeof(MD2::Header))
throw new ImportErrorException( "MD2 File is too small");
std::vector<uint8_t> mBuffer2(fileSize);
file->Read(&mBuffer2[0], 1, fileSize);
mBuffer = &mBuffer2[0];
m_pcHeader = (BE_NCONST MD2::Header*)mBuffer;
#ifdef AI_BUILD_BIG_ENDIAN
ByteSwap::Swap4(&m_pcHeader->frameSize);
ByteSwap::Swap4(&m_pcHeader->magic);
ByteSwap::Swap4(&m_pcHeader->numFrames);
ByteSwap::Swap4(&m_pcHeader->numGlCommands);
ByteSwap::Swap4(&m_pcHeader->numSkins);
ByteSwap::Swap4(&m_pcHeader->numTexCoords);
ByteSwap::Swap4(&m_pcHeader->numTriangles);
ByteSwap::Swap4(&m_pcHeader->numVertices);
ByteSwap::Swap4(&m_pcHeader->offsetEnd);
ByteSwap::Swap4(&m_pcHeader->offsetFrames);
ByteSwap::Swap4(&m_pcHeader->offsetGlCommands);
ByteSwap::Swap4(&m_pcHeader->offsetSkins);
ByteSwap::Swap4(&m_pcHeader->offsetTexCoords);
ByteSwap::Swap4(&m_pcHeader->offsetTriangles);
ByteSwap::Swap4(&m_pcHeader->skinHeight);
ByteSwap::Swap4(&m_pcHeader->skinWidth);
ByteSwap::Swap4(&m_pcHeader->version);
#endif
ValidateHeader();
// there won't be more than one mesh inside the file
pScene->mNumMaterials = 1;
pScene->mRootNode = new aiNode();
pScene->mRootNode->mNumMeshes = 1;
pScene->mRootNode->mMeshes = new unsigned int[1];
pScene->mRootNode->mMeshes[0] = 0;
pScene->mMaterials = new aiMaterial*[1];
pScene->mMaterials[0] = new MaterialHelper();
pScene->mNumMeshes = 1;
pScene->mMeshes = new aiMesh*[1];
aiMesh* pcMesh = pScene->mMeshes[0] = new aiMesh();
pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
// navigate to the begin of the frame data
BE_NCONST MD2::Frame* pcFrame = (BE_NCONST MD2::Frame*) ((uint8_t*)
m_pcHeader + m_pcHeader->offsetFrames);
pcFrame += configFrameID;
// navigate to the begin of the triangle data
MD2::Triangle* pcTriangles = (MD2::Triangle*) ((uint8_t*)
m_pcHeader + m_pcHeader->offsetTriangles);
// navigate to the begin of the tex coords data
BE_NCONST MD2::TexCoord* pcTexCoords = (BE_NCONST MD2::TexCoord*) ((uint8_t*)
m_pcHeader + m_pcHeader->offsetTexCoords);
// navigate to the begin of the vertex data
BE_NCONST MD2::Vertex* pcVerts = (BE_NCONST MD2::Vertex*) (pcFrame->vertices);
#ifdef AI_BUILD_BIG_ENDIAN
for (uint32_t i = 0; i< m_pcHeader->numTriangles; ++i)
{
for (unsigned int p = 0; p < 3;++p)
{
ByteSwap::Swap2(& pcTriangles[i].textureIndices[p]);
ByteSwap::Swap2(& pcTriangles[i].vertexIndices[p]);
}
}
for (uint32_t i = 0; i < m_pcHeader->offsetTexCoords;++i)
{
ByteSwap::Swap2(& pcTexCoords[i].s);
ByteSwap::Swap2(& pcTexCoords[i].t);
}
ByteSwap::Swap4( & pcFrame->scale[0] );
ByteSwap::Swap4( & pcFrame->scale[1] );
ByteSwap::Swap4( & pcFrame->scale[2] );
ByteSwap::Swap4( & pcFrame->translate[0] );
ByteSwap::Swap4( & pcFrame->translate[1] );
ByteSwap::Swap4( & pcFrame->translate[2] );
#endif
pcMesh->mNumFaces = m_pcHeader->numTriangles;
pcMesh->mFaces = new aiFace[m_pcHeader->numTriangles];
// allocate output storage
pcMesh->mNumVertices = (unsigned int)pcMesh->mNumFaces*3;
pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices];
pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices];
// Not sure whether there are MD2 files without texture coordinates
// NOTE: texture coordinates can be there without a texture,
// but a texture can't be there without a valid UV channel
MaterialHelper* pcHelper = (MaterialHelper*)pScene->mMaterials[0];
const int iMode = (int)aiShadingMode_Gouraud;
pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL);
if (m_pcHeader->numTexCoords && m_pcHeader->numSkins)
{
// navigate to the first texture associated with the mesh
const MD2::Skin* pcSkins = (const MD2::Skin*) ((unsigned char*)m_pcHeader +
m_pcHeader->offsetSkins);
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);
clr.b = clr.g = clr.r = 0.05f;
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT);
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;
pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0));
}
else{
DefaultLogger::get()->warn("Texture file name has zero length. It will be skipped.");
}
}
else {
// apply a default material
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_TEXTURED_MATERIAL_NAME);
pcHelper->AddProperty(&szName,AI_MATKEY_NAME);
aiString sz;
// TODO: Try to guess the name of the texture file from the model file name
sz.Set("$texture_dummy.bmp");
pcHelper->AddProperty(&sz,AI_MATKEY_TEXTURE_DIFFUSE(0));
}
// now read all triangles of the first frame, apply scaling and translation
unsigned int iCurrent = 0;
float fDivisorU = 1.0f,fDivisorV = 1.0f;
if (m_pcHeader->numTexCoords) {
// allocate storage for texture coordinates, too
pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices];
pcMesh->mNumUVComponents[0] = 2;
// check whether the skin width or height are zero (this would
// cause a division through zero)
if (!m_pcHeader->skinWidth) {
DefaultLogger::get()->error("MD2: No valid skin width given");
}
else fDivisorU = (float)m_pcHeader->skinWidth;
if (!m_pcHeader->skinHeight){
DefaultLogger::get()->error("MD2: No valid skin height given");
}
else fDivisorV = (float)m_pcHeader->skinHeight;
}
for (unsigned int i = 0; i < (unsigned int)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
for (unsigned int c = 0; c < 3;++c,++iCurrent) {
// validate vertex indices
register unsigned int iIndex = (unsigned int)pcTriangles[i].vertexIndices[c];
if (iIndex >= m_pcHeader->numVertices) {
DefaultLogger::get()->error("MD2: Vertex index is outside the allowed range");
iIndex = m_pcHeader->numVertices-1;
}
// read x,y, and z component of the vertex
aiVector3D& vec = pcMesh->mVertices[iCurrent];
vec.x = (float)pcVerts[iIndex].vertex[0] * pcFrame->scale[0];
vec.x += pcFrame->translate[0];
vec.y = (float)pcVerts[iIndex].vertex[1] * pcFrame->scale[1];
vec.y += pcFrame->translate[1];
vec.z = (float)pcVerts[iIndex].vertex[2] * pcFrame->scale[2];
vec.z += pcFrame->translate[2];
// read the normal vector from the precalculated normal table
aiVector3D& vNormal = pcMesh->mNormals[iCurrent];
LookupNormalIndex(pcVerts[iIndex].lightNormalIndex,vNormal);
// flip z and y to become right-handed
std::swap((float&)vNormal.z,(float&)vNormal.y);
std::swap((float&)vec.z,(float&)vec.y);
if (m_pcHeader->numTexCoords) {
// validate texture coordinates
iIndex = pcTriangles[i].textureIndices[c];
if (iIndex >= m_pcHeader->numTexCoords) {
DefaultLogger::get()->error("MD2: UV index is outside the allowed range");
iIndex = m_pcHeader->numTexCoords-1;
}
aiVector3D& pcOut = pcMesh->mTextureCoords[0][iCurrent];
// the texture coordinates are absolute values but we
// need relative values between 0 and 1
pcOut.x = pcTexCoords[iIndex].s / fDivisorU;
pcOut.y = 1.f-pcTexCoords[iIndex].t / fDivisorV;
}
pScene->mMeshes[0]->mFaces[i].mIndices[c] = iCurrent;
}
}
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void MDCImporter::InternReadFile(
const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL)
throw DeadlyImportError( "Failed to open MDC file " + pFile + ".");
// check whether the mdc file is large enough to contain the file header
fileSize = (unsigned int)file->FileSize();
if( fileSize < sizeof(MDC::Header))
throw DeadlyImportError( "MDC File is too small.");
std::vector<unsigned char> mBuffer2(fileSize);
file->Read( &mBuffer2[0], 1, fileSize);
mBuffer = &mBuffer2[0];
// validate the file header
this->pcHeader = (BE_NCONST MDC::Header*)this->mBuffer;
this->ValidateHeader();
std::vector<std::string> aszShaders;
// get a pointer to the frame we want to read
BE_NCONST MDC::Frame* pcFrame = (BE_NCONST MDC::Frame*)(this->mBuffer+
this->pcHeader->ulOffsetBorderFrames);
// no need to swap the other members, we won't need them
pcFrame += configFrameID;
AI_SWAP4( pcFrame->localOrigin[0] );
AI_SWAP4( pcFrame->localOrigin[1] );
AI_SWAP4( pcFrame->localOrigin[2] );
// get the number of valid surfaces
BE_NCONST MDC::Surface* pcSurface, *pcSurface2;
pcSurface = pcSurface2 = (BE_NCONST MDC::Surface*)(mBuffer + pcHeader->ulOffsetSurfaces);
unsigned int iNumShaders = 0;
for (unsigned int i = 0; i < pcHeader->ulNumSurfaces;++i)
{
// validate the surface header
this->ValidateSurfaceHeader(pcSurface2);
if (pcSurface2->ulNumVertices && pcSurface2->ulNumTriangles)++pScene->mNumMeshes;
iNumShaders += pcSurface2->ulNumShaders;
pcSurface2 = (BE_NCONST MDC::Surface*)((int8_t*)pcSurface2 + pcSurface2->ulOffsetEnd);
}
aszShaders.reserve(iNumShaders);
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
// necessary that we don't crash if an exception occurs
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
pScene->mMeshes[i] = NULL;
// now read all surfaces
unsigned int iDefaultMatIndex = 0xffffffff;
for (unsigned int i = 0, iNum = 0; i < pcHeader->ulNumSurfaces;++i)
{
if (!pcSurface->ulNumVertices || !pcSurface->ulNumTriangles)continue;
aiMesh* pcMesh = pScene->mMeshes[iNum++] = new aiMesh();
pcMesh->mNumFaces = pcSurface->ulNumTriangles;
pcMesh->mNumVertices = pcMesh->mNumFaces * 3;
// store the name of the surface for use as node name.
// FIX: make sure there is a 0 termination
const_cast<char&>(pcSurface->ucName[AI_MDC_MAXQPATH-1]) = '\0';
pcMesh->mTextureCoords[3] = (aiVector3D*)pcSurface->ucName;
// go to the first shader in the file. ignore the others.
if (pcSurface->ulNumShaders)
{
const MDC::Shader* pcShader = (const MDC::Shader*)((int8_t*)pcSurface + pcSurface->ulOffsetShaders);
pcMesh->mMaterialIndex = (unsigned int)aszShaders.size();
// create a new shader
aszShaders.push_back(std::string( pcShader->ucName, std::min(
::strlen(pcShader->ucName),sizeof(pcShader->ucName)) ));
}
// need to create a default material
else if (0xffffffff == iDefaultMatIndex)
{
pcMesh->mMaterialIndex = iDefaultMatIndex = (unsigned int)aszShaders.size();
aszShaders.push_back(std::string());
}
// otherwise assign a reference to the default material
else pcMesh->mMaterialIndex = iDefaultMatIndex;
// allocate output storage for the mesh
aiVector3D* pcVertCur = pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices];
aiVector3D* pcNorCur = pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices];
aiVector3D* pcUVCur = pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices];
aiFace* pcFaceCur = pcMesh->mFaces = new aiFace[pcMesh->mNumFaces];
// create all vertices/faces
BE_NCONST MDC::Triangle* pcTriangle = (BE_NCONST MDC::Triangle*)
((int8_t*)pcSurface+pcSurface->ulOffsetTriangles);
BE_NCONST MDC::TexturCoord* const pcUVs = (BE_NCONST MDC::TexturCoord*)
((int8_t*)pcSurface+pcSurface->ulOffsetTexCoords);
// get a pointer to the uncompressed vertices
int16_t iOfs = *((int16_t*) ((int8_t*) pcSurface +
pcSurface->ulOffsetFrameBaseFrames) + this->configFrameID);
AI_SWAP2(iOfs);
BE_NCONST MDC::BaseVertex* const pcVerts = (BE_NCONST MDC::BaseVertex*)
((int8_t*)pcSurface+pcSurface->ulOffsetBaseVerts) +
((int)iOfs * pcSurface->ulNumVertices * 4);
// do the main swapping stuff ...
#if (defined AI_BUILD_BIG_ENDIAN)
// swap all triangles
for (unsigned int i = 0; i < pcSurface->ulNumTriangles;++i)
{
AI_SWAP4( pcTriangle[i].aiIndices[0] );
AI_SWAP4( pcTriangle[i].aiIndices[1] );
AI_SWAP4( pcTriangle[i].aiIndices[2] );
}
// swap all vertices
for (unsigned int i = 0; i < pcSurface->ulNumVertices*pcSurface->ulNumBaseFrames;++i)
{
AI_SWAP2( pcVerts->normal );
AI_SWAP2( pcVerts->x );
AI_SWAP2( pcVerts->y );
AI_SWAP2( pcVerts->z );
}
// swap all texture coordinates
for (unsigned int i = 0; i < pcSurface->ulNumVertices;++i)
{
AI_SWAP4( pcUVs->v );
AI_SWAP4( pcUVs->v );
}
#endif
const MDC::CompressedVertex* pcCVerts = NULL;
int16_t* mdcCompVert = NULL;
// access compressed frames for large frame numbers, but never for the first
if( this->configFrameID && pcSurface->ulNumCompFrames > 0 )
{
mdcCompVert = (int16_t*) ((int8_t*)pcSurface+pcSurface->ulOffsetFrameCompFrames) + this->configFrameID;
AI_SWAP2P(mdcCompVert);
if( *mdcCompVert >= 0 )
{
pcCVerts = (const MDC::CompressedVertex*)((int8_t*)pcSurface +
pcSurface->ulOffsetCompVerts) + *mdcCompVert * pcSurface->ulNumVertices;
}
else mdcCompVert = NULL;
}
// copy all faces
for (unsigned int iFace = 0; iFace < pcSurface->ulNumTriangles;++iFace,
++pcTriangle,++pcFaceCur)
{
const unsigned int iOutIndex = iFace*3;
pcFaceCur->mNumIndices = 3;
pcFaceCur->mIndices = new unsigned int[3];
for (unsigned int iIndex = 0; iIndex < 3;++iIndex,
++pcVertCur,++pcUVCur,++pcNorCur)
{
uint32_t quak = pcTriangle->aiIndices[iIndex];
if (quak >= pcSurface->ulNumVertices)
{
DefaultLogger::get()->error("MDC vertex index is out of range");
quak = pcSurface->ulNumVertices-1;
}
// compressed vertices?
if (mdcCompVert)
{
MDC::BuildVertex(*pcFrame,pcVerts[quak],pcCVerts[quak],
*pcVertCur,*pcNorCur);
}
else
{
// copy position
pcVertCur->x = pcVerts[quak].x * AI_MDC_BASE_SCALING;
pcVertCur->y = pcVerts[quak].y * AI_MDC_BASE_SCALING;
pcVertCur->z = pcVerts[quak].z * AI_MDC_BASE_SCALING;
// copy normals
MD3::LatLngNormalToVec3( pcVerts[quak].normal, &pcNorCur->x );
// copy texture coordinates
pcUVCur->x = pcUVs[quak].u;
pcUVCur->y = 1.0f-pcUVs[quak].v; // DX to OGL
}
pcVertCur->x += pcFrame->localOrigin[0] ;
pcVertCur->y += pcFrame->localOrigin[1] ;
pcVertCur->z += pcFrame->localOrigin[2] ;
}
// swap the face order - DX to OGL
pcFaceCur->mIndices[0] = iOutIndex + 2;
pcFaceCur->mIndices[1] = iOutIndex + 1;
pcFaceCur->mIndices[2] = iOutIndex + 0;
}
pcSurface = (BE_NCONST MDC::Surface*)((int8_t*)pcSurface + pcSurface->ulOffsetEnd);
}
// create a flat node graph with a root node and one child for each surface
if (!pScene->mNumMeshes)
throw DeadlyImportError( "Invalid MDC file: File contains no valid mesh");
else if (1 == pScene->mNumMeshes)
{
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set(std::string((const char*)pScene->mMeshes[0]->mTextureCoords[3]));
pScene->mRootNode->mNumMeshes = 1;
pScene->mRootNode->mMeshes = new unsigned int[1];
pScene->mRootNode->mMeshes[0] = 0;
}
else
{
pScene->mRootNode = new aiNode();
pScene->mRootNode->mNumChildren = pScene->mNumMeshes;
pScene->mRootNode->mChildren = new aiNode*[pScene->mNumMeshes];
pScene->mRootNode->mName.Set("<root>");
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
{
aiNode* pcNode = pScene->mRootNode->mChildren[i] = new aiNode();
pcNode->mParent = pScene->mRootNode;
pcNode->mName.Set(std::string((const char*)pScene->mMeshes[i]->mTextureCoords[3]));
pcNode->mNumMeshes = 1;
pcNode->mMeshes = new unsigned int[1];
pcNode->mMeshes[0] = i;
}
}
// make sure we invalidate the pointer to the mesh name
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
pScene->mMeshes[i]->mTextureCoords[3] = NULL;
// create materials
pScene->mNumMaterials = (unsigned int)aszShaders.size();
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
{
MaterialHelper* pcMat = new MaterialHelper();
pScene->mMaterials[i] = pcMat;
const std::string& name = aszShaders[i];
int iMode = (int)aiShadingMode_Gouraud;
pcMat->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL);
// add a small ambient color value - RtCW seems to have one
aiColor3D clr;
clr.b = clr.g = clr.r = 0.05f;
pcMat->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT);
if (name.length())clr.b = clr.g = clr.r = 1.0f;
else clr.b = clr.g = clr.r = 0.6f;
pcMat->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_DIFFUSE);
pcMat->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_SPECULAR);
if (name.length())
{
aiString path;
path.Set(name);
pcMat->AddProperty(&path,AI_MATKEY_TEXTURE_DIFFUSE(0));
}
}
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void IRRMeshImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL)
throw DeadlyImportError( "Failed to open IRRMESH file " + pFile + "");
// Construct the irrXML parser
CIrrXML_IOStreamReader st(file.get());
reader = createIrrXMLReader((IFileReadCallBack*) &st);
// final data
std::vector<aiMaterial*> materials;
std::vector<aiMesh*> meshes;
materials.reserve (5);
meshes.reserve (5);
// temporary data - current mesh buffer
aiMaterial* curMat = NULL;
aiMesh* curMesh = NULL;
unsigned int curMatFlags;
std::vector<aiVector3D> curVertices,curNormals,curTangents,curBitangents;
std::vector<aiColor4D> curColors;
std::vector<aiVector3D> curUVs,curUV2s;
// some temporary variables
int textMeaning = 0;
int vertexFormat = 0; // 0 = normal; 1 = 2 tcoords, 2 = tangents
bool useColors = false;
// Parse the XML file
while (reader->read()) {
switch (reader->getNodeType()) {
case EXN_ELEMENT:
if (!ASSIMP_stricmp(reader->getNodeName(),"buffer") && (curMat || curMesh)) {
// end of previous buffer. A material and a mesh should be there
if ( !curMat || !curMesh) {
DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material");
delete curMat;
delete curMesh;
}
else {
materials.push_back(curMat);
meshes.push_back(curMesh);
}
curMat = NULL;
curMesh = NULL;
curVertices.clear();
curColors.clear();
curNormals.clear();
curUV2s.clear();
curUVs.clear();
curTangents.clear();
curBitangents.clear();
}
if (!ASSIMP_stricmp(reader->getNodeName(),"material")) {
if (curMat) {
DefaultLogger::get()->warn("IRRMESH: Only one material description per buffer, please");
delete curMat;curMat = NULL;
}
curMat = ParseMaterial(curMatFlags);
}
/* no else here! */ if (!ASSIMP_stricmp(reader->getNodeName(),"vertices"))
{
int num = reader->getAttributeValueAsInt("vertexCount");
if (!num) {
// This is possible ... remove the mesh from the list and skip further reading
DefaultLogger::get()->warn("IRRMESH: Found mesh with zero vertices");
delete curMat;curMat = NULL;
curMesh = NULL;
textMeaning = 0;
continue;
}
curVertices.reserve (num);
curNormals.reserve (num);
curColors.reserve (num);
curUVs.reserve (num);
// Determine the file format
const char* t = reader->getAttributeValueSafe("type");
if (!ASSIMP_stricmp("2tcoords", t)) {
curUV2s.reserve (num);
vertexFormat = 1;
if (curMatFlags & AI_IRRMESH_EXTRA_2ND_TEXTURE) {
// *********************************************************
// We have a second texture! So use this UV channel
// for it. The 2nd texture can be either a normal
// texture (solid_2layer or lightmap_xxx) or a normal
// map (normal_..., parallax_...)
// *********************************************************
int idx = 1;
MaterialHelper* mat = ( MaterialHelper* ) curMat;
if (curMatFlags & AI_IRRMESH_MAT_lightmap){
mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_LIGHTMAP(0));
}
else if (curMatFlags & AI_IRRMESH_MAT_normalmap_solid){
mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_NORMALS(0));
}
else if (curMatFlags & AI_IRRMESH_MAT_solid_2layer) {
mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_DIFFUSE(1));
}
}
}
else if (!ASSIMP_stricmp("tangents", t)) {
curTangents.reserve (num);
curBitangents.reserve (num);
vertexFormat = 2;
}
else if (ASSIMP_stricmp("standard", t)) {
delete curMat;
DefaultLogger::get()->warn("IRRMESH: Unknown vertex format");
}
else vertexFormat = 0;
textMeaning = 1;
}
else if (!ASSIMP_stricmp(reader->getNodeName(),"indices")) {
if (curVertices.empty() && curMat) {
delete curMat;
throw DeadlyImportError("IRRMESH: indices must come after vertices");
}
textMeaning = 2;
// start a new mesh
curMesh = new aiMesh();
// allocate storage for all faces
curMesh->mNumVertices = reader->getAttributeValueAsInt("indexCount");
if (!curMesh->mNumVertices) {
// This is possible ... remove the mesh from the list and skip further reading
DefaultLogger::get()->warn("IRRMESH: Found mesh with zero indices");
// mesh - away
delete curMesh; curMesh = NULL;
// material - away
delete curMat;curMat = NULL;
textMeaning = 0;
continue;
}
if (curMesh->mNumVertices % 3) {
DefaultLogger::get()->warn("IRRMESH: Number if indices isn't divisible by 3");
}
curMesh->mNumFaces = curMesh->mNumVertices / 3;
curMesh->mFaces = new aiFace[curMesh->mNumFaces];
// setup some members
curMesh->mMaterialIndex = (unsigned int)materials.size();
curMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
// allocate storage for all vertices
curMesh->mVertices = new aiVector3D[curMesh->mNumVertices];
if (curNormals.size() == curVertices.size()) {
curMesh->mNormals = new aiVector3D[curMesh->mNumVertices];
}
if (curTangents.size() == curVertices.size()) {
curMesh->mTangents = new aiVector3D[curMesh->mNumVertices];
}
if (curBitangents.size() == curVertices.size()) {
curMesh->mBitangents = new aiVector3D[curMesh->mNumVertices];
}
if (curColors.size() == curVertices.size() && useColors) {
curMesh->mColors[0] = new aiColor4D[curMesh->mNumVertices];
}
if (curUVs.size() == curVertices.size()) {
curMesh->mTextureCoords[0] = new aiVector3D[curMesh->mNumVertices];
}
if (curUV2s.size() == curVertices.size()) {
curMesh->mTextureCoords[1] = new aiVector3D[curMesh->mNumVertices];
}
}
break;
case EXN_TEXT:
{
const char* sz = reader->getNodeData();
if (textMeaning == 1) {
textMeaning = 0;
// read vertices
do {
SkipSpacesAndLineEnd(&sz);
aiVector3D temp;aiColor4D c;
// Read the vertex position
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.z);
SkipSpaces(&sz);
curVertices.push_back(temp);
// Read the vertex normals
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.z);
SkipSpaces(&sz);
curNormals.push_back(temp);
// read the vertex colors
uint32_t clr = strtol16(sz,&sz);
ColorFromARGBPacked(clr,c);
if (!curColors.empty() && c != *(curColors.end()-1))
useColors = true;
curColors.push_back(c);
SkipSpaces(&sz);
// read the first UV coordinate set
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
SkipSpaces(&sz);
temp.z = 0.f;
temp.y = 1.f - temp.y; // DX to OGL
curUVs.push_back(temp);
// read the (optional) second UV coordinate set
if (vertexFormat == 1) {
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
temp.y = 1.f - temp.y; // DX to OGL
curUV2s.push_back(temp);
}
// read optional tangent and bitangent vectors
else if (vertexFormat == 2) {
// tangents
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.z);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
SkipSpaces(&sz);
temp.y *= -1.0f;
curTangents.push_back(temp);
// bitangents
sz = fast_atof_move(sz,(float&)temp.x);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.z);
SkipSpaces(&sz);
sz = fast_atof_move(sz,(float&)temp.y);
SkipSpaces(&sz);
temp.y *= -1.0f;
curBitangents.push_back(temp);
}
}
/* IMPORTANT: We assume that each vertex is specified in one
line. So we can skip the rest of the line - unknown vertex
elements are ignored.
*/
while (SkipLine(&sz));
}
else if (textMeaning == 2) {
textMeaning = 0;
// read indices
aiFace* curFace = curMesh->mFaces;
aiFace* const faceEnd = curMesh->mFaces + curMesh->mNumFaces;
aiVector3D* pcV = curMesh->mVertices;
aiVector3D* pcN = curMesh->mNormals;
aiVector3D* pcT = curMesh->mTangents;
aiVector3D* pcB = curMesh->mBitangents;
aiColor4D* pcC0 = curMesh->mColors[0];
aiVector3D* pcT0 = curMesh->mTextureCoords[0];
aiVector3D* pcT1 = curMesh->mTextureCoords[1];
unsigned int curIdx = 0;
unsigned int total = 0;
while(SkipSpacesAndLineEnd(&sz)) {
if (curFace >= faceEnd) {
DefaultLogger::get()->error("IRRMESH: Too many indices");
break;
}
if (!curIdx) {
curFace->mNumIndices = 3;
curFace->mIndices = new unsigned int[3];
}
unsigned int idx = strtol10(sz,&sz);
if (idx >= curVertices.size()) {
DefaultLogger::get()->error("IRRMESH: Index out of range");
idx = 0;
}
curFace->mIndices[curIdx] = total++;
*pcV++ = curVertices[idx];
if (pcN)*pcN++ = curNormals[idx];
if (pcT)*pcT++ = curTangents[idx];
if (pcB)*pcB++ = curBitangents[idx];
if (pcC0)*pcC0++ = curColors[idx];
if (pcT0)*pcT0++ = curUVs[idx];
if (pcT1)*pcT1++ = curUV2s[idx];
if (++curIdx == 3) {
++curFace;
curIdx = 0;
}
}
if (curFace != faceEnd)
DefaultLogger::get()->error("IRRMESH: Not enough indices");
// Finish processing the mesh - do some small material workarounds
if (curMatFlags & AI_IRRMESH_MAT_trans_vertex_alpha && !useColors) {
// Take the opacity value of the current material
// from the common vertex color alpha
MaterialHelper* mat = (MaterialHelper*)curMat;
mat->AddProperty(&curColors[0].a,1,AI_MATKEY_OPACITY);
}
}}
break;
default:
// GCC complains here ...
break;
};
}
// End of the last buffer. A material and a mesh should be there
if (curMat || curMesh) {
if ( !curMat || !curMesh) {
DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material");
delete curMat;
delete curMesh;
}
else {
materials.push_back(curMat);
meshes.push_back(curMesh);
}
}
if (materials.empty())
throw DeadlyImportError("IRRMESH: Unable to read a mesh from this file");
// now generate the output scene
pScene->mNumMeshes = (unsigned int)meshes.size();
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
for (unsigned int i = 0; i < pScene->mNumMeshes;++i) {
pScene->mMeshes[i] = meshes[i];
// clean this value ...
pScene->mMeshes[i]->mNumUVComponents[3] = 0;
}
pScene->mNumMaterials = (unsigned int)materials.size();
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
::memcpy(pScene->mMaterials,&materials[0],sizeof(void*)*pScene->mNumMaterials);
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set("<IRRMesh>");
pScene->mRootNode->mNumMeshes = pScene->mNumMeshes;
pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes];
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
pScene->mRootNode->mMeshes[i] = i;
// clean up and return
delete reader;
AI_DEBUG_INVALIDATE_PTR(reader);
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void UnrealImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
// For any of the 3 files being passed get the three correct paths
// First of all, determine file extension
std::string::size_type pos = pFile.find_last_of('.');
std::string extension = GetExtension(pFile);
std::string d_path,a_path,uc_path;
if (extension == "3d") {
// jjjj_d.3d
// jjjj_a.3d
pos = pFile.find_last_of('_');
if (std::string::npos == pos) {
throw DeadlyImportError("UNREAL: Unexpected naming scheme");
}
extension = pFile.substr(0,pos);
}
else {
extension = pFile.substr(0,pos);
}
// build proper paths
d_path = extension+"_d.3d";
a_path = extension+"_a.3d";
uc_path = extension+".uc";
DefaultLogger::get()->debug("UNREAL: data file is " + d_path);
DefaultLogger::get()->debug("UNREAL: aniv file is " + a_path);
DefaultLogger::get()->debug("UNREAL: uc file is " + uc_path);
// and open the files ... we can't live without them
IOStream* p = pIOHandler->Open(d_path);
if (!p)
throw DeadlyImportError("UNREAL: Unable to open _d file");
StreamReaderLE d_reader(pIOHandler->Open(d_path));
const uint16_t numTris = d_reader.GetI2();
const uint16_t numVert = d_reader.GetI2();
d_reader.IncPtr(44);
if (!numTris || numVert < 3)
throw DeadlyImportError("UNREAL: Invalid number of vertices/triangles");
// maximum texture index
unsigned int maxTexIdx = 0;
// collect triangles
std::vector<Unreal::Triangle> triangles(numTris);
for (std::vector<Unreal::Triangle>::iterator it = triangles.begin(), end = triangles.end();it != end; ++it) {
Unreal::Triangle& tri = *it;
for (unsigned int i = 0; i < 3;++i) {
tri.mVertex[i] = d_reader.GetI2();
if (tri.mVertex[i] >= numTris) {
DefaultLogger::get()->warn("UNREAL: vertex index out of range");
tri.mVertex[i] = 0;
}
}
tri.mType = d_reader.GetI1();
// handle mesh flagss?
if (configHandleFlags)
tri.mType = Unreal::MF_NORMAL_OS;
else {
// ignore MOD and MASKED for the moment, treat them as two-sided
if (tri.mType == Unreal::MF_NORMAL_MOD_TS || tri.mType == Unreal::MF_NORMAL_MASKED_TS)
tri.mType = Unreal::MF_NORMAL_TS;
}
d_reader.IncPtr(1);
for (unsigned int i = 0; i < 3;++i)
for (unsigned int i2 = 0; i2 < 2;++i2)
tri.mTex[i][i2] = d_reader.GetI1();
tri.mTextureNum = d_reader.GetI1();
maxTexIdx = std::max(maxTexIdx,(unsigned int)tri.mTextureNum);
d_reader.IncPtr(1);
}
p = pIOHandler->Open(a_path);
if (!p)
throw DeadlyImportError("UNREAL: Unable to open _a file");
StreamReaderLE a_reader(pIOHandler->Open(a_path));
// read number of frames
const uint32_t numFrames = a_reader.GetI2();
if (configFrameID >= numFrames)
throw DeadlyImportError("UNREAL: The requested frame does not exist");
uint32_t st = a_reader.GetI2();
if (st != numVert*4u)
throw DeadlyImportError("UNREAL: Unexpected aniv file length");
// skip to our frame
a_reader.IncPtr(configFrameID *numVert*4);
// collect vertices
std::vector<aiVector3D> vertices(numVert);
for (std::vector<aiVector3D>::iterator it = vertices.begin(), end = vertices.end(); it != end; ++it) {
int32_t val = a_reader.GetI4();
Unreal::DecompressVertex(*it,val);
}
// list of textures.
std::vector< std::pair<unsigned int, std::string> > textures;
// allocate the output scene
aiNode* nd = pScene->mRootNode = new aiNode();
nd->mName.Set("<UnrealRoot>");
// we can live without the uc file if necessary
boost::scoped_ptr<IOStream> pb (pIOHandler->Open(uc_path));
if (pb.get()) {
std::vector<char> _data;
TextFileToBuffer(pb.get(),_data);
const char* data = &_data[0];
std::vector< std::pair< std::string,std::string > > tempTextures;
// do a quick search in the UC file for some known, usually texture-related, tags
for (;*data;++data) {
if (TokenMatchI(data,"#exec",5)) {
SkipSpacesAndLineEnd(&data);
// #exec TEXTURE IMPORT [...] NAME=jjjjj [...] FILE=jjjj.pcx [...]
if (TokenMatchI(data,"TEXTURE",7)) {
SkipSpacesAndLineEnd(&data);
if (TokenMatchI(data,"IMPORT",6)) {
tempTextures.push_back(std::pair< std::string,std::string >());
std::pair< std::string,std::string >& me = tempTextures.back();
for (;!IsLineEnd(*data);++data) {
if (!::ASSIMP_strincmp(data,"NAME=",5)) {
const char *d = data+=5;
for (;!IsSpaceOrNewLine(*data);++data) {};
me.first = std::string(d,(size_t)(data-d));
}
else if (!::ASSIMP_strincmp(data,"FILE=",5)) {
const char *d = data+=5;
for (;!IsSpaceOrNewLine(*data);++data) {};
me.second = std::string(d,(size_t)(data-d));
}
}
if (!me.first.length() || !me.second.length())
tempTextures.pop_back();
}
}
// #exec MESHMAP SETTEXTURE MESHMAP=box NUM=1 TEXTURE=Jtex1
// #exec MESHMAP SCALE MESHMAP=box X=0.1 Y=0.1 Z=0.2
else if (TokenMatchI(data,"MESHMAP",7)) {
SkipSpacesAndLineEnd(&data);
if (TokenMatchI(data,"SETTEXTURE",10)) {
textures.push_back(std::pair<unsigned int, std::string>());
std::pair<unsigned int, std::string>& me = textures.back();
for (;!IsLineEnd(*data);++data) {
if (!::ASSIMP_strincmp(data,"NUM=",4)) {
data += 4;
me.first = strtol10(data,&data);
}
else if (!::ASSIMP_strincmp(data,"TEXTURE=",8)) {
data += 8;
const char *d = data;
for (;!IsSpaceOrNewLine(*data);++data) {};
me.second = std::string(d,(size_t)(data-d));
// try to find matching path names, doesn't care if we don't find them
for (std::vector< std::pair< std::string,std::string > >::const_iterator it = tempTextures.begin();
it != tempTextures.end(); ++it) {
if ((*it).first == me.second) {
me.second = (*it).second;
break;
}
}
}
}
}
else if (TokenMatchI(data,"SCALE",5)) {
for (;!IsLineEnd(*data);++data) {
if (data[0] == 'X' && data[1] == '=') {
data = fast_atof_move(data+2,(float&)nd->mTransformation.a1);
}
else if (data[0] == 'Y' && data[1] == '=') {
data = fast_atof_move(data+2,(float&)nd->mTransformation.b2);
}
else if (data[0] == 'Z' && data[1] == '=') {
data = fast_atof_move(data+2,(float&)nd->mTransformation.c3);
}
}
}
}
}
}
}
else {
DefaultLogger::get()->error("Unable to open .uc file");
}
std::vector<Unreal::TempMat> materials;
materials.reserve(textures.size()*2+5);
// find out how many output meshes and materials we'll have and build material indices
for (std::vector<Unreal::Triangle>::iterator it = triangles.begin(), end = triangles.end();it != end; ++it) {
Unreal::Triangle& tri = *it;
Unreal::TempMat mat(tri);
std::vector<Unreal::TempMat>::iterator nt = std::find(materials.begin(),materials.end(),mat);
if (nt == materials.end()) {
// add material
tri.matIndex = materials.size();
mat.numFaces = 1;
materials.push_back(mat);
++pScene->mNumMeshes;
}
else {
tri.matIndex = static_cast<unsigned int>(nt-materials.begin());
++nt->numFaces;
}
}
if (!pScene->mNumMeshes) {
throw DeadlyImportError("UNREAL: Unable to find valid mesh data");
}
// allocate meshes and bind them to the node graph
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials = pScene->mNumMeshes];
nd->mNumMeshes = pScene->mNumMeshes;
nd->mMeshes = new unsigned int[nd->mNumMeshes];
for (unsigned int i = 0; i < pScene->mNumMeshes;++i) {
aiMesh* m = pScene->mMeshes[i] = new aiMesh();
m->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
const unsigned int num = materials[i].numFaces;
m->mFaces = new aiFace [num];
m->mVertices = new aiVector3D [num*3];
m->mTextureCoords[0] = new aiVector3D [num*3];
nd->mMeshes[i] = i;
// create materials, too
MaterialHelper* mat = new MaterialHelper();
pScene->mMaterials[i] = mat;
// all white by default - texture rulez
aiColor3D color(1.f,1.f,1.f);
aiString s;
::sprintf(s.data,"mat%i_tx%i_",i,materials[i].tex);
// set the two-sided flag
if (materials[i].type == Unreal::MF_NORMAL_TS) {
const int twosided = 1;
mat->AddProperty(&twosided,1,AI_MATKEY_TWOSIDED);
::strcat(s.data,"ts_");
}
else ::strcat(s.data,"os_");
// make TRANS faces 90% opaque that RemRedundantMaterials won't catch us
if (materials[i].type == Unreal::MF_NORMAL_TRANS_TS) {
const float opac = 0.9f;
mat->AddProperty(&opac,1,AI_MATKEY_OPACITY);
::strcat(s.data,"tran_");
}
else ::strcat(s.data,"opaq_");
// a special name for the weapon attachment point
if (materials[i].type == Unreal::MF_WEAPON_PLACEHOLDER) {
s.length = ::sprintf(s.data,"$WeaponTag$");
color = aiColor3D(0.f,0.f,0.f);
}
// set color and name
mat->AddProperty(&color,1,AI_MATKEY_COLOR_DIFFUSE);
s.length = ::strlen(s.data);
mat->AddProperty(&s,AI_MATKEY_NAME);
// set texture, if any
const unsigned int tex = materials[i].tex;
for (std::vector< std::pair< unsigned int, std::string > >::const_iterator it = textures.begin();it != textures.end();++it) {
if ((*it).first == tex) {
s.Set((*it).second);
mat->AddProperty(&s,AI_MATKEY_TEXTURE_DIFFUSE(0));
break;
}
}
}
// fill them.
for (std::vector<Unreal::Triangle>::iterator it = triangles.begin(), end = triangles.end();it != end; ++it) {
Unreal::Triangle& tri = *it;
Unreal::TempMat mat(tri);
std::vector<Unreal::TempMat>::iterator nt = std::find(materials.begin(),materials.end(),mat);
aiMesh* mesh = pScene->mMeshes[nt-materials.begin()];
aiFace& f = mesh->mFaces[mesh->mNumFaces++];
f.mIndices = new unsigned int[f.mNumIndices = 3];
for (unsigned int i = 0; i < 3;++i,mesh->mNumVertices++) {
f.mIndices[i] = mesh->mNumVertices;
mesh->mVertices[mesh->mNumVertices] = vertices[ tri.mVertex[i] ];
mesh->mTextureCoords[0][mesh->mNumVertices] = aiVector3D( tri.mTex[i][0] / 255.f, 1.f - tri.mTex[i][1] / 255.f, 0.f);
}
}
// convert to RH
MakeLeftHandedProcess hero;
hero.Execute(pScene);
FlipWindingOrderProcess flipper;
flipper.Execute(pScene);
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void MD3Importer::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
mFile = pFile;
mScene = pScene;
mIOHandler = pIOHandler;
// get base path and file name
// todo ... move to PathConverter
std::string::size_type s = mFile.find_last_of("/\\");
if (s == std::string::npos) {
s = 0;
}
else ++s;
filename = mFile.substr(s), path = mFile.substr(0,s);
for( std::string::iterator it = filename .begin(); it != filename.end(); ++it)
*it = tolower( *it);
// Load multi-part model file, if necessary
if (configHandleMP) {
if (ReadMultipartFile())
return;
}
boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile));
// Check whether we can read from the file
if( file.get() == NULL)
throw DeadlyImportError( "Failed to open MD3 file " + pFile + ".");
// Check whether the md3 file is large enough to contain the header
fileSize = (unsigned int)file->FileSize();
if( fileSize < sizeof(MD3::Header))
throw DeadlyImportError( "MD3 File is too small.");
// Allocate storage and copy the contents of the file to a memory buffer
std::vector<unsigned char> mBuffer2 (fileSize);
file->Read( &mBuffer2[0], 1, fileSize);
mBuffer = &mBuffer2[0];
pcHeader = (BE_NCONST MD3::Header*)mBuffer;
// Ensure correct endianess
#ifdef AI_BUILD_BIG_ENDIAN
AI_SWAP4(pcHeader->VERSION);
AI_SWAP4(pcHeader->FLAGS);
AI_SWAP4(pcHeader->IDENT);
AI_SWAP4(pcHeader->NUM_FRAMES);
AI_SWAP4(pcHeader->NUM_SKINS);
AI_SWAP4(pcHeader->NUM_SURFACES);
AI_SWAP4(pcHeader->NUM_TAGS);
AI_SWAP4(pcHeader->OFS_EOF);
AI_SWAP4(pcHeader->OFS_FRAMES);
AI_SWAP4(pcHeader->OFS_SURFACES);
AI_SWAP4(pcHeader->OFS_TAGS);
#endif
// Validate the file header
ValidateHeaderOffsets();
// Navigate to the list of surfaces
BE_NCONST MD3::Surface* pcSurfaces = (BE_NCONST MD3::Surface*)(mBuffer + pcHeader->OFS_SURFACES);
// Navigate to the list of tags
BE_NCONST MD3::Tag* pcTags = (BE_NCONST MD3::Tag*)(mBuffer + pcHeader->OFS_TAGS);
// Allocate output storage
pScene->mNumMeshes = pcHeader->NUM_SURFACES;
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mNumMaterials = pcHeader->NUM_SURFACES;
pScene->mMaterials = new aiMaterial*[pScene->mNumMeshes];
// Set arrays to zero to ensue proper destruction if an exception is raised
::memset(pScene->mMeshes,0,pScene->mNumMeshes*sizeof(aiMesh*));
::memset(pScene->mMaterials,0,pScene->mNumMaterials*sizeof(aiMaterial*));
// Now read possible skins from .skin file
Q3Shader::SkinData skins;
ReadSkin(skins);
// And check whether we can locate a shader file for this model
Q3Shader::ShaderData shaders;
ReadShader(shaders);
// Adjust all texture paths in the shader
const char* header_name = pcHeader->NAME;
if (shaders.blocks.size()) {
for (std::list< Q3Shader::ShaderDataBlock >::iterator dit = shaders.blocks.begin(); dit != shaders.blocks.end(); ++dit) {
ConvertPath((*dit).name.c_str(),header_name,(*dit).name);
for (std::list< Q3Shader::ShaderMapBlock >::iterator mit = (*dit).maps.begin(); mit != (*dit).maps.end(); ++mit) {
ConvertPath((*mit).name.c_str(),header_name,(*mit).name);
}
}
}
// Read all surfaces from the file
unsigned int iNum = pcHeader->NUM_SURFACES;
unsigned int iNumMaterials = 0;
while (iNum-- > 0) {
// Ensure correct endianess
#ifdef AI_BUILD_BIG_ENDIAN
AI_SWAP4(pcSurfaces->FLAGS);
AI_SWAP4(pcSurfaces->IDENT);
AI_SWAP4(pcSurfaces->NUM_FRAMES);
AI_SWAP4(pcSurfaces->NUM_SHADER);
AI_SWAP4(pcSurfaces->NUM_TRIANGLES);
AI_SWAP4(pcSurfaces->NUM_VERTICES);
AI_SWAP4(pcSurfaces->OFS_END);
AI_SWAP4(pcSurfaces->OFS_SHADERS);
AI_SWAP4(pcSurfaces->OFS_ST);
AI_SWAP4(pcSurfaces->OFS_TRIANGLES);
AI_SWAP4(pcSurfaces->OFS_XYZNORMAL);
#endif
// Validate the surface header
ValidateSurfaceHeaderOffsets(pcSurfaces);
// Navigate to the vertex list of the surface
BE_NCONST MD3::Vertex* pcVertices = (BE_NCONST MD3::Vertex*)
(((uint8_t*)pcSurfaces) + pcSurfaces->OFS_XYZNORMAL);
// Navigate to the triangle list of the surface
BE_NCONST MD3::Triangle* pcTriangles = (BE_NCONST MD3::Triangle*)
(((uint8_t*)pcSurfaces) + pcSurfaces->OFS_TRIANGLES);
// Navigate to the texture coordinate list of the surface
BE_NCONST MD3::TexCoord* pcUVs = (BE_NCONST MD3::TexCoord*)
(((uint8_t*)pcSurfaces) + pcSurfaces->OFS_ST);
// Navigate to the shader list of the surface
BE_NCONST MD3::Shader* pcShaders = (BE_NCONST MD3::Shader*)
(((uint8_t*)pcSurfaces) + pcSurfaces->OFS_SHADERS);
// If the submesh is empty ignore it
if (0 == pcSurfaces->NUM_VERTICES || 0 == pcSurfaces->NUM_TRIANGLES)
{
pcSurfaces = (BE_NCONST MD3::Surface*)(((uint8_t*)pcSurfaces) + pcSurfaces->OFS_END);
pScene->mNumMeshes--;
continue;
}
// Allocate output mesh
pScene->mMeshes[iNum] = new aiMesh();
aiMesh* pcMesh = pScene->mMeshes[iNum];
std::string _texture_name;
const char* texture_name = NULL;
// Check whether we have a texture record for this surface in the .skin file
std::list< Q3Shader::SkinData::TextureEntry >::iterator it = std::find(
skins.textures.begin(), skins.textures.end(), pcSurfaces->NAME );
if (it != skins.textures.end()) {
texture_name = &*( _texture_name = (*it).second).begin();
DefaultLogger::get()->debug("MD3: Assigning skin texture " + (*it).second + " to surface " + pcSurfaces->NAME);
(*it).resolved = true; // mark entry as resolved
}
// Get the first shader (= texture?) assigned to the surface
if (!texture_name && pcSurfaces->NUM_SHADER) {
texture_name = pcShaders->NAME;
}
std::string convertedPath;
if (texture_name) {
ConvertPath(texture_name,header_name,convertedPath);
}
const Q3Shader::ShaderDataBlock* shader = NULL;
// Now search the current shader for a record with this name (
// excluding texture file extension)
if (shaders.blocks.size()) {
std::string::size_type s = convertedPath.find_last_of('.');
if (s == std::string::npos)
s = convertedPath.length();
const std::string without_ext = convertedPath.substr(0,s);
std::list< Q3Shader::ShaderDataBlock >::const_iterator dit = std::find(shaders.blocks.begin(),shaders.blocks.end(),without_ext);
if (dit != shaders.blocks.end()) {
// Hurra, wir haben einen. Tolle Sache.
shader = &*dit;
DefaultLogger::get()->info("Found shader record for " +without_ext );
}
else DefaultLogger::get()->warn("Unable to find shader record for " +without_ext );
}
MaterialHelper* pcHelper = new MaterialHelper();
const int iMode = (int)aiShadingMode_Gouraud;
pcHelper->AddProperty<int>(&iMode, 1, AI_MATKEY_SHADING_MODEL);
// Add a small ambient color value - Quake 3 seems to have one
aiColor3D clr;
clr.b = clr.g = clr.r = 0.05f;
pcHelper->AddProperty<aiColor3D>(&clr, 1,AI_MATKEY_COLOR_AMBIENT);
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);
// use surface name + skin_name as material name
aiString name;
name.Set("MD3_[" + configSkinFile + "][" + pcSurfaces->NAME + "]");
pcHelper->AddProperty(&name,AI_MATKEY_NAME);
if (!shader) {
// Setup dummy texture file name to ensure UV coordinates are kept during postprocessing
aiString szString;
if (convertedPath.length()) {
szString.Set(convertedPath);
}
else {
DefaultLogger::get()->warn("Texture file name has zero length. Using default name");
szString.Set("dummy_texture.bmp");
}
pcHelper->AddProperty(&szString,AI_MATKEY_TEXTURE_DIFFUSE(0));
// prevent transparency by default
int no_alpha = aiTextureFlags_IgnoreAlpha;
pcHelper->AddProperty(&no_alpha,1,AI_MATKEY_TEXFLAGS_DIFFUSE(0));
}
else {
Q3Shader::ConvertShaderToMaterial(pcHelper,*shader);
}
pScene->mMaterials[iNumMaterials] = (aiMaterial*)pcHelper;
pcMesh->mMaterialIndex = iNumMaterials++;
// Ensure correct endianess
#ifdef AI_BUILD_BIG_ENDIAN
for (uint32_t i = 0; i < pcSurfaces->NUM_VERTICES;++i) {
AI_SWAP2( pcVertices[i].NORMAL );
AI_SWAP2( pcVertices[i].X );
AI_SWAP2( pcVertices[i].Y );
AI_SWAP2( pcVertices[i].Z );
AI_SWAP4( pcUVs[i].U );
AI_SWAP4( pcUVs[i].U );
}
for (uint32_t i = 0; i < pcSurfaces->NUM_TRIANGLES;++i) {
AI_SWAP4(pcTriangles[i].INDEXES[0]);
AI_SWAP4(pcTriangles[i].INDEXES[1]);
AI_SWAP4(pcTriangles[i].INDEXES[2]);
}
#endif
// Fill mesh information
pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
pcMesh->mNumVertices = pcSurfaces->NUM_TRIANGLES*3;
pcMesh->mNumFaces = pcSurfaces->NUM_TRIANGLES;
pcMesh->mFaces = new aiFace[pcSurfaces->NUM_TRIANGLES];
pcMesh->mNormals = new aiVector3D[pcMesh->mNumVertices];
pcMesh->mVertices = new aiVector3D[pcMesh->mNumVertices];
pcMesh->mTextureCoords[0] = new aiVector3D[pcMesh->mNumVertices];
pcMesh->mNumUVComponents[0] = 2;
// Fill in all triangles
unsigned int iCurrent = 0;
for (unsigned int i = 0; i < (unsigned int)pcSurfaces->NUM_TRIANGLES;++i) {
pcMesh->mFaces[i].mIndices = new unsigned int[3];
pcMesh->mFaces[i].mNumIndices = 3;
//unsigned int iTemp = iCurrent;
for (unsigned int c = 0; c < 3;++c,++iCurrent) {
pcMesh->mFaces[i].mIndices[c] = iCurrent;
// Read vertices
aiVector3D& vec = pcMesh->mVertices[iCurrent];
vec.x = pcVertices[ pcTriangles->INDEXES[c]].X*AI_MD3_XYZ_SCALE;
vec.y = pcVertices[ pcTriangles->INDEXES[c]].Y*AI_MD3_XYZ_SCALE;
vec.z = pcVertices[ pcTriangles->INDEXES[c]].Z*AI_MD3_XYZ_SCALE;
// Convert the normal vector to uncompressed float3 format
aiVector3D& nor = pcMesh->mNormals[iCurrent];
LatLngNormalToVec3(pcVertices[pcTriangles->INDEXES[c]].NORMAL,(float*)&nor);
// Read texture coordinates
pcMesh->mTextureCoords[0][iCurrent].x = pcUVs[ pcTriangles->INDEXES[c]].U;
pcMesh->mTextureCoords[0][iCurrent].y = 1.0f-pcUVs[ pcTriangles->INDEXES[c]].V;
}
// Flip face order if necessary
if (!shader || shader->cull == Q3Shader::CULL_CW) {
std::swap(pcMesh->mFaces[i].mIndices[2],pcMesh->mFaces[i].mIndices[1]);
}
pcTriangles++;
}
// Go to the next surface
pcSurfaces = (BE_NCONST MD3::Surface*)(((unsigned char*)pcSurfaces) + pcSurfaces->OFS_END);
}
// For debugging purposes: check whether we found matches for all entries in the skins file
if (!DefaultLogger::isNullLogger()) {
for (std::list< Q3Shader::SkinData::TextureEntry>::const_iterator it = skins.textures.begin();it != skins.textures.end(); ++it) {
if (!(*it).resolved) {
DefaultLogger::get()->error("MD3: Failed to match skin " + (*it).first + " to surface " + (*it).second);
}
}
}
if (!pScene->mNumMeshes)
throw DeadlyImportError( "MD3: File contains no valid mesh");
pScene->mNumMaterials = iNumMaterials;
// Now we need to generate an empty node graph
pScene->mRootNode = new aiNode("<MD3Root>");
pScene->mRootNode->mNumMeshes = pScene->mNumMeshes;
pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes];
// Attach tiny children for all tags
if (pcHeader->NUM_TAGS) {
pScene->mRootNode->mNumChildren = pcHeader->NUM_TAGS;
pScene->mRootNode->mChildren = new aiNode*[pcHeader->NUM_TAGS];
for (unsigned int i = 0; i < pcHeader->NUM_TAGS; ++i, ++pcTags) {
aiNode* nd = pScene->mRootNode->mChildren[i] = new aiNode();
nd->mName.Set((const char*)pcTags->NAME);
nd->mParent = pScene->mRootNode;
AI_SWAP4(pcTags->origin.x);
AI_SWAP4(pcTags->origin.y);
AI_SWAP4(pcTags->origin.z);
// Copy local origin, again flip z,y
nd->mTransformation.a4 = pcTags->origin.x;
nd->mTransformation.b4 = pcTags->origin.y;
nd->mTransformation.c4 = pcTags->origin.z;
// Copy rest of transformation (need to transpose to match row-order matrix)
for (unsigned int a = 0; a < 3;++a) {
for (unsigned int m = 0; m < 3;++m) {
nd->mTransformation[m][a] = pcTags->orientation[a][m];
AI_SWAP4(nd->mTransformation[m][a]);
}
}
}
}
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
pScene->mRootNode->mMeshes[i] = i;
// Now rotate the whole scene 90 degrees around the x axis to convert to internal coordinate system
pScene->mRootNode->mTransformation = aiMatrix4x4(1.f,0.f,0.f,0.f,
0.f,0.f,1.f,0.f,0.f,-1.f,0.f,0.f,0.f,0.f,0.f,1.f);
}