bool MeshXMLExporter::Export(OutputMap& output)
{
try {
// write XML to a strstream
std::stringstream of;
while (!m_submeshNames.empty())
m_submeshNames.pop();
if (m_pGame) {
m_pGame->ReleaseIGame();
m_pGame = 0;
}
m_ei->theScene->EnumTree(this);
m_pGame = GetIGameInterface();
IGameConversionManager* cm = GetConversionManager();
cm->SetCoordSystem(IGameConversionManager::IGAME_OGL);
m_pGame->InitialiseIGame(m_nodeTab, false);
m_pGame->SetStaticFrame(0);
int nodeCount = m_pGame->GetTopLevelNodeCount();
if (nodeCount == 0) {
MessageBox(GetActiveWindow(), "No nodes available to export, aborting...", "Nothing To Export", MB_ICONINFORMATION);
m_pGame->ReleaseIGame();
return false;
}
// if we are writing everything to one file, use the name provided when the user first started the export;
// otherwise, create filenames on the basis of the node (submesh) names
std::string fileName;
IGameNode* node = m_pGame->GetTopLevelNode(0);
if (!m_config.getExportMultipleFiles())
fileName = m_config.getExportFilename();
else {
fileName = m_config.getExportPath() + "\\";
fileName += node->GetName();
fileName += ".mesh.xml";
}
// write start of XML data
streamFileHeader(of);
int nodeIdx = 0;
std::map<std::string, std::string> materialScripts;
while (nodeIdx < nodeCount) {
std::string mtlName;
IGameNode* node = m_pGame->GetTopLevelNode(nodeIdx);
IGameObject* obj = node->GetIGameObject();
// InitializeData() is important -- it performs all of the WSM/time eval for us; no data without it
obj->InitializeData();
IGameMaterial* mtl = node->GetNodeMaterial();
if (mtl == NULL)
mtlName = m_config.getDefaultMaterialName();
else
mtlName = mtl->GetMaterialName();
// clean out any spaces the user left in their material name
std::string::size_type pos;
while ((pos = mtlName.find_first_of(' ')) != std::string::npos)
mtlName.replace(pos, 1, _T("_"));
if (materialScripts.find(mtlName) == materialScripts.end()) {
// export new material script
MaterialExporter mexp(m_config, m_materialMap);
std::string script;
mexp.buildMaterial(mtl, mtlName, script);
materialScripts[mtlName] = script;
}
//if (streamSubmesh(of, node, mtlName))
if (streamSubmesh(of, obj, mtlName))
m_submeshNames.push(std::string(node->GetName()));
node->ReleaseIGameObject();
nodeIdx++;
if (m_config.getExportMultipleFiles() || nodeIdx == nodeCount) {
// write end of this file's XML
streamFileFooter(of);
// insert new filename --> stream pair into output map
output[fileName] = std::string(of.str());
of.str("");
if (nodeIdx != nodeCount) {
fileName = m_config.getExportPath() + "\\";
node = m_pGame->GetTopLevelNode(nodeIdx);
fileName += node->GetName();
fileName += ".mesh.xml";
// start over again with new data
streamFileHeader(of);
}
}
}
m_pGame->ReleaseIGame();
// export materials if we are writing those
if (m_config.getExportMaterial()) {
std::ofstream materialFile;
materialFile.open((m_config.getExportPath() + "\\" + m_config.getMaterialFilename()).c_str(), std::ios::out);
if (materialFile.is_open()) {
for (std::map<std::string, std::string>::iterator it = materialScripts.begin();
it != materialScripts.end(); ++it)
{
materialFile << it->second;
}
materialFile.close();
}
}
return true;
}
catch (...) {
MessageBox(GetActiveWindow(), "An unexpected error has occurred while trying to export, aborting", "Error", MB_ICONEXCLAMATION);
if (m_pGame)
m_pGame->ReleaseIGame();
return false;
}
}
void Unreal3DExport::GetTris()
{
// Export triangle data
FJSMeshTri nulltri = FJSMeshTri();
for( int n=0; n<Nodes.Count(); ++n )
{
CheckCancel();
IGameNode* node = Nodes[n];
IGameMesh* mesh = static_cast<IGameMesh*>(node->GetIGameObject());
if( mesh->InitializeData() )
{
int vertcount = mesh->GetNumberOfVerts();
int tricount = mesh->GetNumberOfFaces();
if( vertcount > 0 && tricount > 0 )
{
// Progress
ProgressMsg.printf(GetString(IDS_INFO_MESH),n+1,Nodes.Count(),TSTR(node->GetName()));
pInt->ProgressUpdate(Progress+(static_cast<float>(n)/Nodes.Count()*U3D_PROGRESS_MESH), FALSE, ProgressMsg.data());
// Alloc triangles space
Tris.Resize(Tris.Count()+tricount);
// Append triangles
for( int i=0; i!=tricount; ++i )
{
FaceEx* f = mesh->GetFace(i);
if( f )
{
FJSMeshTri tri(nulltri);
// TODO: add material id listing
RegisterMaterial( node, mesh, f, &tri );
tri.iVertex[0] = VertsPerFrame + f->vert[0];
tri.iVertex[1] = VertsPerFrame + f->vert[1];
tri.iVertex[2] = VertsPerFrame + f->vert[2];
Point2 p;
if( mesh->GetTexVertex(f->texCoord[0],p) ){
tri.Tex[0] = FMeshUV(p);
}
if( mesh->GetTexVertex(f->texCoord[1],p) ){
tri.Tex[1] = FMeshUV(p);
}
if( mesh->GetTexVertex(f->texCoord[2],p) ){
tri.Tex[2] = FMeshUV(p);
}
Tris.Append(1,&tri);
}
}
VertsPerFrame += vertcount;
}
else
{
// remove invalid node
Nodes.Delete(n--,1);
}
}
node->ReleaseIGameObject();
}
Progress += U3D_PROGRESS_MESH;
}