void CAOGenerator::RenderSetupSceneNode(CConversionSceneNode* pNode, tvector<tvector<float>>& aaflVerts)
{
if (!pNode)
return;
for (size_t c = 0; c < pNode->GetNumChildren(); c++)
RenderSetupSceneNode(pNode->GetChild(c), aaflVerts);
for (size_t m = 0; m < pNode->GetNumMeshInstances(); m++)
{
CConversionMeshInstance* pMeshInstance = pNode->GetMeshInstance(m);
CConversionMesh* pMesh = pMeshInstance->GetMesh();
for (size_t f = 0; f < pMesh->GetNumFaces(); f++)
{
CConversionFace* pFace = pMesh->GetFace(f);
size_t iMaterial = pMeshInstance->GetMappedMaterial(pFace->m)->m_iMaterial;
while (aaflVerts.size() <= iMaterial)
aaflVerts.push_back();
CConversionVertex* pVertex0 = pFace->GetVertex(0);
for (size_t k = 2; k < pFace->GetNumVertices(); k++)
{
CConversionVertex* pVertex1 = pFace->GetVertex(k-1);
CConversionVertex* pVertex2 = pFace->GetVertex(k);
AddRenderedVertex(aaflVerts[iMaterial], pMeshInstance->GetVertex(pVertex0->v), pMesh->GetUV(pVertex0->vu));
AddRenderedVertex(aaflVerts[iMaterial], pMeshInstance->GetVertex(pVertex1->v), pMesh->GetUV(pVertex1->vu));
AddRenderedVertex(aaflVerts[iMaterial], pMeshInstance->GetVertex(pVertex2->v), pMesh->GetUV(pVertex2->vu));
}
}
}
}
void CGeppetto::LoadMeshInstanceIntoToyPhysics(CConversionScene* pScene, CConversionMeshInstance* pMeshInstance, const Matrix4x4& mParentTransformations, CToyUtil* pToy)
{
if (!pMeshInstance->IsVisible())
return;
CConversionMesh* pMesh = pMeshInstance->GetMesh();
size_t iVertsSize = pToy->GetNumPhysVerts();
for (size_t v = 0; v < pMesh->GetNumVertices(); v++)
pToy->AddPhysVertex(mParentTransformations * pMesh->GetVertex(v));
for (size_t j = 0; j < pMesh->GetNumFaces(); j++)
{
size_t k;
CConversionFace* pFace = pMesh->GetFace(j);
CConversionVertex* pVertex0 = pFace->GetVertex(0);
for (k = 2; k < pFace->GetNumVertices(); k++)
{
CConversionVertex* pVertex1 = pFace->GetVertex(k-1);
CConversionVertex* pVertex2 = pFace->GetVertex(k);
pToy->AddPhysTriangle(iVertsSize + pVertex0->v, iVertsSize + pVertex1->v, iVertsSize + pVertex2->v);
}
}
}
void CTexelNormalMethod::GenerateTexel(size_t iTexel, CConversionMeshInstance* pMeshInstance, CConversionFace* pFace, CConversionVertex* pV1, CConversionVertex* pV2, CConversionVertex* pV3, raytrace::CTraceResult* tr, const Vector& vecUVPosition, raytrace::CRaytracer* pTracer)
{
CConversionFace* pHitFace = tr->m_pMeshInstance->GetMesh()->GetFace(tr->m_iFace);
Vector vecHitNormal = pHitFace->GetNormal(tr->m_vecHit, tr->m_pMeshInstance);
// Build rotation matrix
Matrix4x4 mObjectToTangent;
Vector t = pFace->GetBaseVector(vecUVPosition, 0, pMeshInstance);
Vector b = pFace->GetBaseVector(vecUVPosition, 1, pMeshInstance);
Vector n = pFace->GetBaseVector(vecUVPosition, 2, pMeshInstance);
mObjectToTangent.SetForwardVector(t);
mObjectToTangent.SetUpVector(b);
mObjectToTangent.SetRightVector(n);
mObjectToTangent.InvertRT();
Vector vecTangentNormal = mObjectToTangent*vecHitNormal;
m_pGenerator->GetParallelizer()->LockData();
m_avecNormalValues[iTexel] += vecTangentNormal;
m_pGenerator->MarkTexelUsed(iTexel);
m_pGenerator->GetParallelizer()->UnlockData();
}
void CAOGenerator::GenerateNodeByTexel(CConversionSceneNode* pNode, raytrace::CRaytracer* pTracer, size_t& iRendered)
{
for (size_t c = 0; c < pNode->GetNumChildren(); c++)
GenerateNodeByTexel(pNode->GetChild(c), pTracer, iRendered);
for (size_t m = 0; m < pNode->GetNumMeshInstances(); m++)
{
CConversionMeshInstance* pMeshInstance = pNode->GetMeshInstance(m);
CConversionMesh* pMesh = pMeshInstance->GetMesh();
if (!pMesh->GetNumUVs())
continue;
for (size_t f = 0; f < pMesh->GetNumFaces(); f++)
{
CConversionFace* pFace = pMesh->GetFace(f);
if (pFace->m != ~0)
{
if (!pMeshInstance->GetMappedMaterial(pFace->m)->IsVisible())
continue;
CConversionMaterial* pMaterial = m_pScene->GetMaterial(pMeshInstance->GetMappedMaterial(pFace->m)->m_iMaterial);
if (pMaterial && !pMaterial->IsVisible())
continue;
}
tvector<Vector> avecPoints;
tvector<size_t> aiPoints;
for (size_t t = 0; t < pFace->GetNumVertices(); t++)
{
avecPoints.push_back(pMeshInstance->GetVertex(pFace->GetVertex(t)->v));
aiPoints.push_back(t);
}
while (avecPoints.size() > 3)
{
size_t iEar = FindEar(avecPoints);
size_t iLast = iEar==0?avecPoints.size()-1:iEar-1;
size_t iNext = iEar==avecPoints.size()-1?0:iEar+1;
GenerateTriangleByTexel(pMeshInstance, pFace, aiPoints[iLast], aiPoints[iEar], aiPoints[iNext], pTracer, iRendered);
avecPoints.erase(avecPoints.begin()+iEar);
aiPoints.erase(aiPoints.begin()+iEar);
if (m_bStopGenerating)
break;
}
GenerateTriangleByTexel(pMeshInstance, pFace, aiPoints[0], aiPoints[1], aiPoints[2], pTracer, iRendered);
if (m_bStopGenerating)
break;
}
if (m_bStopGenerating)
break;
}
}
void LoadMeshInstanceIntoToy(CConversionScene* pScene, CConversionMeshInstance* pMeshInstance, const Matrix4x4& mParentTransformations)
{
if (!pMeshInstance->IsVisible())
return;
CConversionMesh* pMesh = pMeshInstance->GetMesh();
for (size_t m = 0; m < pScene->GetNumMaterials(); m++)
{
for (size_t j = 0; j < pMesh->GetNumFaces(); j++)
{
size_t k;
CConversionFace* pFace = pMesh->GetFace(j);
if (pFace->m == ~0)
continue;
CConversionMaterial* pMaterial = NULL;
CConversionMaterialMap* pConversionMaterialMap = pMeshInstance->GetMappedMaterial(pFace->m);
if (!pConversionMaterialMap)
continue;
if (!pConversionMaterialMap->IsVisible())
continue;
if (pConversionMaterialMap->m_iMaterial != m)
continue;
while (g_asTextures.size() <= pConversionMaterialMap->m_iMaterial)
{
g_asTextures.push_back(pScene->GetMaterial(pConversionMaterialMap->m_iMaterial)->GetDiffuseTexture());
g_aaflData.push_back();
}
size_t iMaterial = pConversionMaterialMap->m_iMaterial;
CConversionVertex* pVertex0 = pFace->GetVertex(0);
for (k = 2; k < pFace->GetNumVertices(); k++)
{
CConversionVertex* pVertex1 = pFace->GetVertex(k-1);
CConversionVertex* pVertex2 = pFace->GetVertex(k);
AddVertex(iMaterial, mParentTransformations * pMesh->GetVertex(pVertex0->v), pMesh->GetUV(pVertex0->vu));
AddVertex(iMaterial, mParentTransformations * pMesh->GetVertex(pVertex1->v), pMesh->GetUV(pVertex1->vu));
AddVertex(iMaterial, mParentTransformations * pMesh->GetVertex(pVertex2->v), pMesh->GetUV(pVertex2->vu));
}
}
}
}
void CAOGenerator::GenerateByTexel()
{
if (m_eAOMethod == AOMETHOD_RAYTRACE)
RaytraceSetupThreads();
float flTotalArea = 0;
for (size_t m = 0; m < m_pScene->GetNumMeshes(); m++)
{
CConversionMesh* pMesh = m_pScene->GetMesh(m);
for (size_t f = 0; f < pMesh->GetNumFaces(); f++)
{
CConversionFace* pFace = pMesh->GetFace(f);
flTotalArea += pFace->GetUVArea();
}
}
raytrace::CRaytracer* pTracer = NULL;
if (m_eAOMethod == AOMETHOD_RAYTRACE)
{
m_pWorkListener->SetAction("Building tree", 0);
pTracer = new raytrace::CRaytracer(m_pScene);
pTracer->AddMeshesFromNode(m_pScene->GetScene(0));
pTracer->BuildTree();
srand((unsigned int)time(0));
}
if (m_eAOMethod == AOMETHOD_RAYTRACE && GetNumberOfProcessors() > 1)
m_pWorkListener->SetAction("Dispatching jobs", (size_t)(flTotalArea*m_iWidth*m_iHeight));
else
m_pWorkListener->SetAction("Rendering", (size_t)(flTotalArea*m_iWidth*m_iHeight));
size_t iRendered = 0;
if (m_pScene->GetNumScenes())
GenerateNodeByTexel(m_pScene->GetScene(0), pTracer, iRendered);
if (m_eAOMethod == AOMETHOD_RAYTRACE)
{
RaytraceJoinThreads();
RaytraceCleanupThreads();
delete pTracer;
}
}
void CAOGenerator::ShadowMapSetupSceneNode(CConversionSceneNode* pNode, tvector<float>& aflVerts, bool bDepth)
{
if (!pNode)
return;
for (size_t c = 0; c < pNode->GetNumChildren(); c++)
ShadowMapSetupSceneNode(pNode->GetChild(c), aflVerts, bDepth);
for (size_t m = 0; m < pNode->GetNumMeshInstances(); m++)
{
CConversionMeshInstance* pMeshInstance = pNode->GetMeshInstance(m);
CConversionMesh* pMesh = pMeshInstance->GetMesh();
for (size_t f = 0; f < pMesh->GetNumFaces(); f++)
{
CConversionFace* pFace = pMesh->GetFace(f);
if (!bDepth)
{
// Allow this in the depth model so that it still projects a shadow, but we don't produce a map for it.
if (pFace->m != ~0 && pMeshInstance->GetMappedMaterial(pFace->m))
{
if (!pMeshInstance->GetMappedMaterial(pFace->m)->IsVisible())
continue;
CConversionMaterial* pMaterial = m_pScene->GetMaterial(pMeshInstance->GetMappedMaterial(pFace->m)->m_iMaterial);
if (pMaterial && !pMaterial->IsVisible())
continue;
}
}
CConversionVertex* pVertex0 = pFace->GetVertex(0);
for (size_t k = 2; k < pFace->GetNumVertices(); k++)
{
CConversionVertex* pVertex1 = pFace->GetVertex(k-1);
CConversionVertex* pVertex2 = pFace->GetVertex(k);
AddShadowMapVertex(aflVerts, pMeshInstance->GetVertex(pVertex0->v), pMeshInstance->GetNormal(pVertex0->vn), pMesh->GetUV(pVertex0->vu));
AddShadowMapVertex(aflVerts, pMeshInstance->GetVertex(pVertex1->v), pMeshInstance->GetNormal(pVertex1->vn), pMesh->GetUV(pVertex1->vu));
AddShadowMapVertex(aflVerts, pMeshInstance->GetVertex(pVertex2->v), pMeshInstance->GetNormal(pVertex2->vn), pMesh->GetUV(pVertex2->vu));
}
}
}
}
void CModelConverter::SaveSIA(const tstring& sFilename)
{
tstring sSIAFileName = tstring(GetDirectory(sFilename).c_str()) + _T("/") + GetFilename(sFilename).c_str() + _T(".sia");
std::wofstream sFile(convertstring<tchar, char>(sSIAFileName).c_str());
if (!sFile.is_open())
return;
sFile.precision(8);
sFile.setf(std::ios::fixed, std::ios::floatfield);
if (m_pWorkListener)
{
m_pWorkListener->BeginProgress();
m_pWorkListener->SetAction(_T("Writing materials..."), 0);
}
sFile << _T("-Version 1.0") << std::endl;
for (size_t i = 0; i < m_pScene->GetNumMaterials(); i++)
{
sFile << _T("-Mat") << std::endl;
CConversionMaterial* pMaterial = m_pScene->GetMaterial(i);
sFile << "-amb " << pMaterial->m_vecAmbient.x << _T(" ") << pMaterial->m_vecAmbient.y << _T(" ") << pMaterial->m_vecAmbient.z << _T(" 0") << std::endl;
sFile << "-dif " << pMaterial->m_vecDiffuse.x << _T(" ") << pMaterial->m_vecDiffuse.y << _T(" ") << pMaterial->m_vecDiffuse.z << _T(" 0") << std::endl;
sFile << "-spec " << pMaterial->m_vecSpecular.x << _T(" ") << pMaterial->m_vecSpecular.y << _T(" ") << pMaterial->m_vecSpecular.z << _T(" 0") << std::endl;
sFile << "-emis " << pMaterial->m_vecEmissive.x << _T(" ") << pMaterial->m_vecEmissive.y << _T(" ") << pMaterial->m_vecEmissive.z << _T(" 0") << std::endl;
sFile << "-shin " << pMaterial->m_flShininess << std::endl;
sFile << "-name \"" << pMaterial->GetName().c_str() << _T("\"") << std::endl;
if (pMaterial->GetDiffuseTexture().length() > 0)
sFile << "-tex \"" << pMaterial->GetDiffuseTexture().c_str() << _T("\"") << std::endl;
sFile << _T("-endMat") << std::endl;
}
for (size_t i = 0; i < m_pScene->GetNumMeshes(); i++)
{
CConversionMesh* pMesh = m_pScene->GetMesh(i);
size_t iAddV = pMesh->GetNumVertices();
size_t iAddE = pMesh->GetNumEdges();
size_t iAddUV = pMesh->GetNumUVs();
size_t iAddN = pMesh->GetNumNormals();
// Find the default scene for this mesh.
CConversionSceneNode* pScene = NULL;
for (size_t j = 0; j < m_pScene->GetNumScenes(); j++)
{
if (m_pScene->GetScene(j)->GetName() == pMesh->GetName() + _T(".sia"))
{
pScene = m_pScene->GetScene(j);
break;
}
}
tstring sNodeName = pMesh->GetName();
sFile << _T("-Shape") << std::endl;
sFile << _T("-snam \"") << sNodeName.c_str() << _T("\"") << std::endl;
sFile << _T("-shad 0") << std::endl;
sFile << _T("-shadw 1") << std::endl;
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" vertices...")).c_str(), pMesh->GetNumVertices());
for (size_t iVertices = 0; iVertices < pMesh->GetNumVertices(); iVertices++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iVertices);
Vector vecVertex = pMesh->GetVertex(iVertices);
sFile << _T("-vert ") << vecVertex.x << _T(" ") << vecVertex.y << _T(" ") << vecVertex.z << std::endl;
}
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" edges...")).c_str(), pMesh->GetNumEdges());
tstring sCreases;
for (size_t iEdges = 0; iEdges < pMesh->GetNumEdges(); iEdges++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iEdges);
CConversionEdge* pEdge = pMesh->GetEdge(iEdges);
sFile << _T("-edge ") << pEdge->v1 << _T(" ") << pEdge->v2 << std::endl;
if (pEdge->m_bCreased)
sCreases += sprintf(tstring(" %d"), iEdges);
}
if (sCreases.length())
sFile << _T("-creas") << sCreases.c_str() << std::endl;
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" faces...")).c_str(), pMesh->GetNumFaces());
size_t iMaterial = 0;
for (size_t iFaces = 0; iFaces < pMesh->GetNumFaces(); iFaces++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iFaces);
CConversionFace* pFace = pMesh->GetFace(iFaces);
if (iFaces == 0 || iMaterial != pFace->m)
{
iMaterial = pFace->m;
if (iMaterial == ~0)
sFile << _T("-setmat -1") << std::endl;
else
{
CConversionSceneNode* pNode = m_pScene->GetDefaultSceneMeshInstance(pScene, pMesh, false);
if (!pNode || pNode->GetNumMeshInstances() != 1)
sFile << _T("-setmat -1") << std::endl;
else
{
CConversionMaterialMap* pMap = pNode->GetMeshInstance(0)->GetMappedMaterial(iMaterial);
if (pMap)
sFile << _T("-setmat -1") << std::endl;
else
sFile << _T("-setmat ") << pMap->m_iMaterial << std::endl;
}
}
}
sFile << _T("-face ") << pFace->GetNumVertices();
TAssert(pFace->GetNumEdges() == pFace->GetNumVertices());
for (size_t iVertsInFace = 0; iVertsInFace < pFace->GetNumVertices(); iVertsInFace++)
{
CConversionVertex* pVertex = pFace->GetVertex(iVertsInFace);
CConversionVertex* pNextVertex = pFace->GetVertex((iVertsInFace+1)%pFace->GetNumVertices());
// Find the edge that heads in a counter-clockwise direction.
size_t iEdge = ~0;
for (size_t i = 0; i < pFace->GetNumEdges(); i++)
{
size_t iEdgeCandidate = pFace->GetEdge(i);
CConversionEdge* pEdge = pMesh->GetEdge(iEdgeCandidate);
if ((pEdge->v1 == pVertex->v && pEdge->v2 == pNextVertex->v) || (pEdge->v2 == pVertex->v && pEdge->v1 == pNextVertex->v))
{
iEdge = iEdgeCandidate;
break;
}
}
TAssert(iEdge != ~0);
Vector vecUV = pMesh->GetUV(pVertex->vu);
sFile << _T(" ") << pVertex->v << _T(" ") << iEdge << _T(" ") << vecUV.x << _T(" ") << vecUV.y;
}
sFile << std::endl;
}
sFile << _T("-axis 0 0.5 0 1 0 0 0 1 0 0 0 1") << std::endl;
sFile << _T("-mirp 0 0 0 1 0 0") << std::endl;
sFile << _T("-endShape") << std::endl;
}
if (m_pWorkListener)
m_pWorkListener->EndProgress();
}
void CModelConverter::SaveOBJ(const tstring& sFilename)
{
tstring sMaterialFileName = tstring(GetDirectory(sFilename).c_str()) + _T("/") + GetFilename(sFilename).c_str() + _T(".mtl");
std::wofstream sMaterialFile(convertstring<tchar, char>(sMaterialFileName).c_str());
if (!sMaterialFile.is_open())
return;
if (m_pWorkListener)
{
m_pWorkListener->BeginProgress();
m_pWorkListener->SetAction(_T("Writing materials file"), 0);
}
for (size_t i = 0; i < m_pScene->GetNumMaterials(); i++)
{
CConversionMaterial* pMaterial = m_pScene->GetMaterial(i);
sMaterialFile << "newmtl " << pMaterial->GetName().c_str() << std::endl;
sMaterialFile << "Ka " << pMaterial->m_vecAmbient.x << _T(" ") << pMaterial->m_vecAmbient.y << _T(" ") << pMaterial->m_vecAmbient.z << std::endl;
sMaterialFile << "Kd " << pMaterial->m_vecDiffuse.x << _T(" ") << pMaterial->m_vecDiffuse.y << _T(" ") << pMaterial->m_vecDiffuse.z << std::endl;
sMaterialFile << "Ks " << pMaterial->m_vecSpecular.x << _T(" ") << pMaterial->m_vecSpecular.y << _T(" ") << pMaterial->m_vecSpecular.z << std::endl;
sMaterialFile << "d " << pMaterial->m_flTransparency << std::endl;
sMaterialFile << "Ns " << pMaterial->m_flShininess << std::endl;
sMaterialFile << "illum " << pMaterial->m_eIllumType << std::endl;
if (pMaterial->GetDiffuseTexture().length() > 0)
sMaterialFile << "map_Kd " << pMaterial->GetDiffuseTexture().c_str() << std::endl;
sMaterialFile << std::endl;
}
sMaterialFile.close();
for (size_t i = 0; i < m_pScene->GetNumMeshes(); i++)
{
CConversionMesh* pMesh = m_pScene->GetMesh(i);
// Find the default scene for this mesh.
CConversionSceneNode* pScene = NULL;
for (size_t j = 0; j < m_pScene->GetNumScenes(); j++)
{
if (m_pScene->GetScene(j)->GetName() == pMesh->GetName() + _T(".obj"))
{
pScene = m_pScene->GetScene(j);
break;
}
}
tstring sNodeName = pMesh->GetName();
tstring sOBJFilename = tstring(GetDirectory(sFilename).c_str()) + _T("/") + GetFilename(sNodeName).c_str() + _T(".obj");
tstring sMTLFilename = tstring(GetFilename(sFilename).c_str()) + _T(".mtl");
if (m_pScene->GetNumMeshes() == 1)
sOBJFilename = sFilename;
std::wofstream sOBJFile(convertstring<tchar, char>(sOBJFilename).c_str());
sOBJFile.precision(8);
sOBJFile.setf(std::ios::fixed, std::ios::floatfield);
sOBJFile << _T("mtllib ") << sMTLFilename.c_str() << std::endl;
sOBJFile << std::endl;
sOBJFile << _T("o ") << sNodeName.c_str() << std::endl;
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" vertices...")).c_str(), pMesh->GetNumVertices());
for (size_t iVertices = 0; iVertices < pMesh->GetNumVertices(); iVertices++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iVertices);
Vector vecVertex = pMesh->GetVertex(iVertices);
sOBJFile << _T("v ") << vecVertex.x << _T(" ") << vecVertex.y << _T(" ") << vecVertex.z << std::endl;
}
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" normals...")).c_str(), pMesh->GetNumNormals());
for (size_t iNormals = 0; iNormals < pMesh->GetNumNormals(); iNormals++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iNormals);
Vector vecNormal = pMesh->GetNormal(iNormals);
sOBJFile << _T("vn ") << vecNormal.x << _T(" ") << vecNormal.y << _T(" ") << vecNormal.z << std::endl;
}
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" UVs...")).c_str(), pMesh->GetNumUVs());
for (size_t iUVs = 0; iUVs < pMesh->GetNumUVs(); iUVs++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iUVs);
Vector vecUV = pMesh->GetUV(iUVs);
sOBJFile << _T("vt ") << vecUV.x << _T(" ") << vecUV.y << std::endl;
}
if (m_pWorkListener)
m_pWorkListener->SetAction((tstring(_T("Writing ")) + sNodeName + _T(" faces...")).c_str(), pMesh->GetNumFaces());
size_t iLastMaterial = ~0;
for (size_t iFaces = 0; iFaces < pMesh->GetNumFaces(); iFaces++)
{
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iFaces);
CConversionFace* pFace = pMesh->GetFace(iFaces);
if (pFace->m != iLastMaterial)
{
iLastMaterial = pFace->m;
CConversionSceneNode* pNode = m_pScene->GetDefaultSceneMeshInstance(pScene, pMesh, false);
if (!pNode || pNode->GetNumMeshInstances() != 1)
sOBJFile << "usemtl " << iLastMaterial << std::endl;
else
{
CConversionMaterialMap* pMap = pNode->GetMeshInstance(0)->GetMappedMaterial(iLastMaterial);
if (!pMap)
sOBJFile << "usemtl " << iLastMaterial << std::endl;
else
sOBJFile << "usemtl " << m_pScene->GetMaterial(pMap->m_iMaterial)->GetName().c_str() << std::endl;
}
}
sOBJFile << _T("f");
for (size_t iVertsInFace = 0; iVertsInFace < pFace->GetNumVertices(); iVertsInFace++)
{
CConversionVertex* pVertex = pFace->GetVertex(iVertsInFace);
sOBJFile << _T(" ") << pVertex->v+1 << _T("/") << pVertex->vu+1 << _T("/") << pVertex->vn+1;
}
sOBJFile << std::endl;
}
sOBJFile << std::endl;
sOBJFile.close();
}
if (m_pWorkListener)
m_pWorkListener->EndProgress();
}
void CTexelAOMethod::GenerateTexel(size_t iTexel, CConversionMeshInstance* pMeshInstance, CConversionFace* pFace, CConversionVertex* pV1, CConversionVertex* pV2, CConversionVertex* pV3, raytrace::CTraceResult* tr, const Vector& vecUVPosition, raytrace::CRaytracer* pTracer)
{
CConversionFace* pHitFace = tr->m_pMeshInstance->GetMesh()->GetFace(tr->m_iFace);
Vector vecHitNormal = pHitFace->GetNormal(tr->m_vecHit, tr->m_pMeshInstance);
// Build rotation matrix
Matrix4x4 m;
m.SetOrientation(vecHitNormal);
// Turn it sideways so that pitch 90 is up
Matrix4x4 m2;
m2.SetAngles(EAngle(-90, 0, 0));
m *= m2;
//SMAKWindow()->AddDebugLine(vecUVPosition + pFace->GetNormal()*0.01f, vecUVPosition + vecNormal*0.5f, Color(0, 0, 255));
float flHits = 0;
float flTotalHits = 0;
for (size_t x = 0; x < m_iSamples/2; x++)
{
float flRandom = 0;
if (m_bRandomize)
flRandom = RemapVal((float)(rand()%10000), 0, 10000.0f, -0.5f, 0.5f);
float flPitch = RemapVal(cos(RemapVal((float)x+flRandom, 0, (float)m_iSamples/2, 0, (float)M_PI/2)), 0, 1, 90, 0);
float flWeight = sin(flPitch * M_PI/180);
for (size_t y = 0; y <= m_iSamples; y++)
{
flRandom = 0;
if (m_bRandomize)
flRandom = RemapVal((float)(rand()%10000), 0, 10000.0f, -0.5f, 0.5f);
float flYaw = RemapVal((float)y+flRandom, 0, (float)m_iSamples, -180, 180);
Vector vecDir = AngleVector(EAngle(flPitch, flYaw, 0));
// Transform relative to the triangle's normal
Vector vecRay = m * vecDir;
flTotalHits += flWeight;
//SMAKWindow()->AddDebugLine(vecUVPosition + pFace->GetNormal()*0.01f, vecUVPosition + vecRay.Normalized()*0.1f, vecDir);
raytrace::CTraceResult tr2;
if (pTracer->Raytrace(Ray(tr->m_vecHit + vecHitNormal*0.01f, vecRay), &tr2))
{
float flDistance = (tr2.m_vecHit - tr->m_vecHit).Length();
if (m_flRayFalloff < 0)
flHits += flWeight;
else
flHits += flWeight * (1/pow(2, flDistance/m_flRayFalloff));
}
else if (m_bGroundOcclusion && vecRay.y < 0)
{
// The following math is basically a plane-ray intersection algorithm,
// with shortcuts made for the assumption of an infinite plane facing straight up.
Vector n = Vector(0,1,0);
float a = -(vecUVPosition.y - pMeshInstance->m_pParent->m_oExtends.m_vecMins.y);
float b = vecRay.y;
float flDistance = a/b;
if (flDistance < 1e-4f || m_flRayFalloff < 0)
flHits += flWeight;
else
flHits += flWeight * (1/pow(2, flDistance/m_flRayFalloff));
}
}
}
// One last ray directly up, it is skipped in the above loop so it's not done 10 times.
Vector vecDir = AngleVector(EAngle(90, 0, 0));
// Transform relative to the triangle's normal
Vector vecRay = m * vecDir;
//RenderSceneFromPosition(vecUVPosition, vecRay, pFace);
flTotalHits++;
//SMAKWindow()->AddDebugLine(vecUVPosition + pFace->GetNormal()*0.01f, vecUVPosition + vecRay.Normalized()*0.2f, vecDir);
raytrace::CTraceResult tr2;
if (pTracer->Raytrace(Ray(tr->m_vecHit + vecHitNormal*0.01f, vecRay), &tr2))
{
float flDistance = (tr2.m_vecHit - tr->m_vecHit).Length();
if (m_flRayFalloff < 0)
flHits += 1;
else
flHits += (1/pow(2, flDistance/m_flRayFalloff));
}
else if (m_bGroundOcclusion && vecRay.y < 0)
{
// The following math is basically a plane-ray intersection algorithm,
// with shortcuts made for the assumption of an infinite plane facing straight up.
float a = -(tr->m_vecHit.y - pMeshInstance->m_pParent->m_oExtends.m_vecMins.y);
float b = vecRay.y;
float flDistance = a/b;
if (flDistance < 1e-4f || m_flRayFalloff < 0)
flHits += 1;
else
flHits += (1/pow(2, flDistance/m_flRayFalloff));
}
float flShadowValue = 1 - ((float)flHits / (float)flTotalHits);
// Mutex may be dead, try to bail before.
if (m_pGenerator->IsStopped())
return;
m_pGenerator->GetParallelizer()->LockData();
m_avecShadowValues[iTexel] += Vector(flShadowValue, flShadowValue, flShadowValue);
m_aiShadowReads[iTexel]++;
m_pGenerator->MarkTexelUsed(iTexel);
m_pGenerator->GetParallelizer()->UnlockData();
}
void CTexelDiffuseMethod::GenerateTexel(size_t iTexel, CConversionMeshInstance* pMeshInstance, CConversionFace* pFace, CConversionVertex* pV1, CConversionVertex* pV2, CConversionVertex* pV3, raytrace::CTraceResult* tr, const Vector& vecUVPosition, raytrace::CRaytracer* pTracer)
{
CConversionFace* pHitFace = tr->m_pMeshInstance->GetMesh()->GetFace(tr->m_iFace);
CTexture& oTexture = m_aTextures[tr->m_pMeshInstance->GetMappedMaterial(pHitFace->m)->m_iMaterial];
if (!oTexture.m_pclrData)
return;
CConversionMesh* pHitMesh = tr->m_pMeshInstance->GetMesh();
// TODO: Use the nearest triangle in this face.
CConversionVertex* pHitV1 = pHitFace->GetVertex(0);
CConversionVertex* pHitV2 = pHitFace->GetVertex(1);
CConversionVertex* pHitV3 = pHitFace->GetVertex(2);
Vector2D vu1 = pHitMesh->GetUV(pHitV1->vu);
Vector2D vu2 = pHitMesh->GetUV(pHitV2->vu);
Vector2D vu3 = pHitMesh->GetUV(pHitV3->vu);
Vector v1 = tr->m_pMeshInstance->GetVertex(pHitV1->v);
Vector v2 = tr->m_pMeshInstance->GetVertex(pHitV2->v);
Vector v3 = tr->m_pMeshInstance->GetVertex(pHitV3->v);
// Find where the world point is in UV space.
// First convert to barycentric coordinates.
Vector u = v2 - v1;
Vector v = v3 - v1;
float uu = u.Dot(u);
float uv = u.Dot(v);
float vv = v.Dot(v);
Vector w = tr->m_vecHit - v1;
float wu = w.Dot(u);
float wv = w.Dot(v);
float D = uv * uv - uu * vv;
float b1, b2, b3;
b1 = (uv * wu - uu * wv) / D;
b2 = (uv * wv - vv * wu) / D;
b3 = 1 - b1 - b2;
// The position of the traceline's hit in (u, v) texture space
Vector2D vecWorldPosition = vu1 * b1 + vu2 * b2 + vu3 * b3;
// Mutex may be dead, try to bail before.
if (m_pGenerator->IsStopped())
return;
size_t iU = (size_t)((vecWorldPosition.x * oTexture.m_iWidth) - 0.5f);
size_t iV = (size_t)((vecWorldPosition.y * oTexture.m_iHeight) - 0.5f);
iU %= oTexture.m_iWidth;
iV %= oTexture.m_iHeight;
size_t iColorTexel;
m_pGenerator->Texel(iU, iV, iColorTexel, oTexture.m_iWidth, oTexture.m_iHeight);
Color clrData = oTexture.m_pclrData[iColorTexel];
m_pGenerator->GetParallelizer()->LockData();
m_avecDiffuseValues[iTexel] += Vector(clrData);
m_aiDiffuseReads[iTexel]++;
m_pGenerator->MarkTexelUsed(iTexel);
m_pGenerator->GetParallelizer()->UnlockData();
}
void CTexelGenerator::Generate()
{
for (size_t i = 0; i < m_apMethods.size(); i++)
m_apMethods[i]->PreGenerate();
if (m_pWorkListener)
{
m_pWorkListener->BeginProgress();
m_pWorkListener->SetAction("Building tree", 0);
}
if (SMAKWindow())
SMAKWindow()->ClearDebugLines();
memset(&m_abTexelMask[0], 0, m_iWidth*m_iHeight*sizeof(bool));
m_bIsGenerating = true;
m_bStopGenerating = false;
m_bDoneGenerating = false;
raytrace::CRaytracer* pTracer = NULL;
pTracer = new raytrace::CRaytracer(m_pScene);
for (size_t m = 0; m < m_apHiRes.size(); m++)
pTracer->AddMeshInstance(m_apHiRes[m]);
pTracer->BuildTree();
m_pWorkParallelizer = new CParallelizer((JobCallback)::ComputeAtTexel);
m_pWorkParallelizer->Start();
float flTotalArea = 0;
for (size_t m = 0; m < m_pScene->GetNumMeshes(); m++)
{
CConversionMesh* pMesh = m_pScene->GetMesh(m);
for (size_t f = 0; f < pMesh->GetNumFaces(); f++)
{
CConversionFace* pFace = pMesh->GetFace(f);
flTotalArea += pFace->GetUVArea();
}
}
if (m_pWorkListener)
m_pWorkListener->SetAction("Dispatching jobs", (size_t)(flTotalArea*m_iWidth*m_iHeight));
size_t iRendered = 0;
tvector<Vector> avecPoints;
tvector<size_t> aiPoints;
for (size_t i = 0; i < m_apLoRes.size(); i++)
{
CConversionMeshInstance* pMeshInstance = m_apLoRes[i];
if (!pMeshInstance->GetMesh()->GetNumUVs())
continue;
for (size_t f = 0; f < pMeshInstance->GetMesh()->GetNumFaces(); f++)
{
CConversionFace* pFace = pMeshInstance->GetMesh()->GetFace(f);
if (pFace->m != ~0)
{
if (!pMeshInstance->GetMappedMaterial(pFace->m)->IsVisible())
continue;
CConversionMaterial* pMaterial = m_pScene->GetMaterial(pMeshInstance->GetMappedMaterial(pFace->m)->m_iMaterial);
if (pMaterial && !pMaterial->IsVisible())
continue;
}
avecPoints.clear();
aiPoints.clear();
for (size_t t = 0; t < pFace->GetNumVertices(); t++)
{
avecPoints.push_back(pMeshInstance->GetVertex(pFace->GetVertex(t)->v));
aiPoints.push_back(t);
}
while (avecPoints.size() > 3)
{
size_t iEar = FindEar(avecPoints);
size_t iLast = iEar==0?avecPoints.size()-1:iEar-1;
size_t iNext = iEar==avecPoints.size()-1?0:iEar+1;
GenerateTriangleByTexel(pMeshInstance, pFace, aiPoints[iLast], aiPoints[iEar], aiPoints[iNext], pTracer, iRendered);
avecPoints.erase(avecPoints.begin()+iEar);
aiPoints.erase(aiPoints.begin()+iEar);
if (m_bStopGenerating)
break;
}
GenerateTriangleByTexel(pMeshInstance, pFace, aiPoints[0], aiPoints[1], aiPoints[2], pTracer, iRendered);
if (m_bStopGenerating)
break;
}
if (m_bStopGenerating)
break;
}
m_pWorkParallelizer->FinishJobs();
if (m_pWorkListener)
m_pWorkListener->SetAction("Rendering", m_pWorkParallelizer->GetJobsTotal());
while (true)
{
if (m_pWorkParallelizer->AreAllJobsDone())
break;
if (m_pWorkListener)
m_pWorkListener->WorkProgress(m_pWorkParallelizer->GetJobsDone());
if (m_bStopGenerating)
break;
}
delete m_pWorkParallelizer;
delete pTracer;
for (size_t i = 0; i < m_apMethods.size(); i++)
m_apMethods[i]->PostGenerate();
if (!m_bStopGenerating)
m_bDoneGenerating = true;
m_bIsGenerating = false;
// One last call to let them know we're done.
if (m_pWorkListener)
m_pWorkListener->EndProgress();
}
void CModelConverter::WriteSMD(size_t iMesh, const tstring& sFilename)
{
CConversionMesh* pMesh = m_pScene->GetMesh(iMesh);
tstring sFile;
if (sFilename.length())
{
sFile.append(sFilename);
sFile.append(_T("_"));
}
sFile.append(pMesh->GetBoneName(0));
sFile = GetFilename(sFile.c_str());
sFile.append(_T(".smd"));
FILE* fp = tfopen(sFile, _T("w"));
// SMD file format: http://developer.valvesoftware.com/wiki/SMD
// Header section
fprintf(fp, "version 1\n\n");
// Nodes section
fprintf(fp, "nodes\n");
// Only bothering with one node, we're only doing static props with this code for now.
fprintf(fp, "0 \"%s\" -1\n", convertstring<tchar, char>(pMesh->GetBoneName(0)).c_str());
fprintf(fp, "end\n\n");
// Skeleton section
fprintf(fp, "skeleton\n");
fprintf(fp, "time 0\n");
fprintf(fp, "0 0.000000 0.000000 0.000000 1.570796 0.000000 0.0000001\n");
fprintf(fp, "end\n\n");
fprintf(fp, "triangles\n");
for (size_t i = 0; i < pMesh->GetNumFaces(); i++)
{
CConversionFace* pFace = pMesh->GetFace(i);
if (!pFace->GetNumVertices())
{
printf("WARNING! Found a face with no vertices.\n");
continue;
}
CConversionVertex* pV1 = pFace->GetVertex(0);
for (size_t j = 0; j < pFace->GetNumVertices()-2; j++)
{
CConversionVertex* pV2 = pFace->GetVertex(j+1);
CConversionVertex* pV3 = pFace->GetVertex(j+2);
Vector v1 = pMesh->GetVertex(pV1->v);
Vector v2 = pMesh->GetVertex(pV2->v);
Vector v3 = pMesh->GetVertex(pV3->v);
Vector n1 = pMesh->GetNormal(pV1->vn);
Vector n2 = pMesh->GetNormal(pV2->vn);
Vector n3 = pMesh->GetNormal(pV3->vn);
Vector uv1 = pMesh->GetUV(pV1->vu);
Vector uv2 = pMesh->GetUV(pV2->vu);
Vector uv3 = pMesh->GetUV(pV3->vu);
// Material name
size_t iMaterial = pFace->m;
if (iMaterial == ((size_t)~0) || !m_pScene->GetMaterial(iMaterial))
{
printf("ERROR! Can't find a material for a triangle.\n");
fprintf(fp, "error\n");
}
else
fprintf(fp, "%s\n", convertstring<tchar, char>(m_pScene->GetMaterial(iMaterial)->GetName()).c_str());
// <int|Parent bone> <float|PosX PosY PosZ> <normal|NormX NormY NormZ> <normal|U V>
// Studio coordinates are not the same as game coordinates. Studio (x, y, z) is game (x, -z, y) and vice versa.
fprintf(fp, "0 \t %f %f %f \t %f %f %f \t %f %f\n", v1.x, -v1.z, v1.y, n1.x, -n1.z, n1.y, uv1.x, uv1.y);
fprintf(fp, "0 \t %f %f %f \t %f %f %f \t %f %f\n", v2.x, -v2.z, v2.y, n2.x, -n2.z, n2.y, uv2.x, uv2.y);
fprintf(fp, "0 \t %f %f %f \t %f %f %f \t %f %f\n", v3.x, -v3.z, v3.y, n3.x, -n3.z, n3.y, uv3.x, uv3.y);
}
}
fprintf(fp, "end\n");
fclose(fp);
}
void CModelConverter::SaveDAE(const tstring& sFilename)
{
if (m_pWorkListener)
m_pWorkListener->BeginProgress();
FCollada::Initialize();
FCDocument* pDoc = FCollada::NewTopDocument();
FCDocumentTools::StandardizeUpAxisAndLength(pDoc, FMVector3(0, 1, 0));
FCDAsset* pAsset = pDoc->GetAsset();
FCDAssetContributor* pContributor = pAsset->AddContributor();
pContributor->SetAuthoringTool(fstring_literal("Created by SMAK using FCollada"));
FCDMaterialLibrary* pMatLib = pDoc->GetMaterialLibrary();
if (m_pWorkListener)
m_pWorkListener->SetAction("Saving materials", m_pScene->GetNumMaterials());
for (size_t iMaterial = 0; iMaterial < m_pScene->GetNumMaterials(); iMaterial++)
{
CConversionMaterial* pConversionMaterial = m_pScene->GetMaterial(iMaterial);
FCDMaterial* pColladaMaterial = pMatLib->AddEntity();
pColladaMaterial->SetName(convert_to_fstring(pConversionMaterial->GetName()));
FCDEffect* pEffect = pMatLib->GetDocument()->GetEffectLibrary()->AddEntity();
pColladaMaterial->SetEffect(pEffect);
FCDEffectProfile* pEffectProfile = pEffect->AddProfile(FUDaeProfileType::COMMON);
pEffect->SetName(convert_to_fstring(pConversionMaterial->GetName()));
FCDEffectStandard* pStandardProfile = dynamic_cast<FCDEffectStandard*>(pEffectProfile);
if (pStandardProfile)
{
pStandardProfile->SetLightingType(FCDEffectStandard::PHONG);
pStandardProfile->SetAmbientColor(FMVector4(FMVector3((float*)pConversionMaterial->m_vecAmbient), 1));
pStandardProfile->SetDiffuseColor(FMVector4(FMVector3((float*)pConversionMaterial->m_vecDiffuse), 1));
pStandardProfile->SetSpecularColor(FMVector4(FMVector3((float*)pConversionMaterial->m_vecSpecular), 1));
pStandardProfile->SetEmissionColor(FMVector4(FMVector3((float*)pConversionMaterial->m_vecEmissive), 1));
pStandardProfile->SetShininess(pConversionMaterial->m_flShininess);
}
if (pConversionMaterial->GetDiffuseTexture().length())
{
FCDEffectParameter* pEffectParameterSampler = pEffectProfile->AddEffectParameter(FCDEffectParameter::SAMPLER);
FCDEffectParameter* pEffectParameterSurface = pEffectProfile->AddEffectParameter(FCDEffectParameter::SURFACE);
FCDEffectParameterSampler* pSampler = dynamic_cast<FCDEffectParameterSampler*>(pEffectParameterSampler);
FCDEffectParameterSurface* pSurface = dynamic_cast<FCDEffectParameterSurface*>(pEffectParameterSurface);
FCDImage* pSurfaceImage = pMatLib->GetDocument()->GetImageLibrary()->AddEntity();
pSurfaceImage->SetFilename(convert_to_fstring(pConversionMaterial->GetDiffuseTexture()));
pSurface->SetInitMethod(new FCDEffectParameterSurfaceInitFrom());
pSurface->AddImage(pSurfaceImage);
pSurface->SetReference((pConversionMaterial->GetName() + "-surface").c_str());
pSampler->SetSurface(pSurface);
}
if (m_pWorkListener)
m_pWorkListener->WorkProgress(iMaterial);
}
if (m_pWorkListener)
m_pWorkListener->SetAction("Saving geometry", m_pScene->GetNumMeshes());
FCDGeometryLibrary* pGeoLib = pDoc->GetGeometryLibrary();
for (size_t i = 0; i < m_pScene->GetNumMeshes(); ++i)
{
CConversionMesh* pConversionMesh = m_pScene->GetMesh(i);
FCDGeometry* pGeometry = pGeoLib->AddEntity();
pGeometry->SetName(convert_to_fstring(pConversionMesh->GetName()));
pGeometry->CreateMesh();
FCDGeometryMesh* pMesh = pGeometry->GetMesh();
FCDGeometrySource* pPositionSource = pMesh->AddSource(FUDaeGeometryInput::POSITION);
pPositionSource->SetName(convert_to_fstring(pConversionMesh->GetName() + "-position"));
pPositionSource->SetStride(3);
pPositionSource->SetValueCount(pConversionMesh->GetNumVertices());
for (size_t j = 0; j < pConversionMesh->GetNumVertices(); j++)
pPositionSource->SetValue(j, pConversionMesh->GetVertex(j));
pMesh->AddVertexSource(pPositionSource);
FCDGeometrySource* pNormalSource = pMesh->AddSource(FUDaeGeometryInput::NORMAL);
pNormalSource->SetName(convert_to_fstring(pConversionMesh->GetName() + "-normal"));
pNormalSource->SetStride(3);
pNormalSource->SetValueCount(pConversionMesh->GetNumNormals());
for (size_t j = 0; j < pConversionMesh->GetNumNormals(); j++)
pNormalSource->SetValue(j, pConversionMesh->GetNormal(j));
FCDGeometrySource* pUVSource = NULL;
if (pConversionMesh->GetNumUVs())
{
pUVSource = pMesh->AddSource(FUDaeGeometryInput::TEXCOORD);
pUVSource->SetName(convert_to_fstring(pConversionMesh->GetName() + "-texcoord"));
pUVSource->SetStride(2);
pUVSource->SetValueCount(pConversionMesh->GetNumUVs());
for (size_t j = 0; j < pConversionMesh->GetNumUVs(); j++)
pUVSource->SetValue(j, pConversionMesh->GetUV(j));
}
for (size_t iMaterials = 0; iMaterials < pConversionMesh->GetNumMaterialStubs(); iMaterials++)
{
CConversionMaterialStub* pStub = pConversionMesh->GetMaterialStub(iMaterials);
FCDGeometryPolygons* pPolygons = pMesh->AddPolygons();
pPolygons->SetMaterialSemantic(convert_to_fstring(pStub->GetName()));
pPolygons->AddInput(pPositionSource, 0);
pPolygons->AddInput(pNormalSource, 1);
if (pConversionMesh->GetNumUVs())
pPolygons->AddInput(pUVSource, 2);
FCDGeometryPolygonsInput* pPositionInput = pPolygons->FindInput(pPositionSource);
FCDGeometryPolygonsInput* pNormalInput = pPolygons->FindInput(pNormalSource);
FCDGeometryPolygonsInput* pUVInput = pPolygons->FindInput(pUVSource);
for (size_t iFace = 0; iFace < pConversionMesh->GetNumFaces(); iFace++)
{
CConversionFace* pFace = pConversionMesh->GetFace(iFace);
if (pFace->m != iMaterials)
continue;
pPolygons->AddFaceVertexCount(pFace->GetNumVertices());
for (size_t iVertex = 0; iVertex < pFace->GetNumVertices(); iVertex++)
{
pPositionInput->AddIndex(pFace->GetVertex(iVertex)->v);
pNormalInput->AddIndex(pFace->GetVertex(iVertex)->vn);
if (pConversionMesh->GetNumUVs())
pUVInput->AddIndex(pFace->GetVertex(iVertex)->vu);
}
}
}
if (m_pWorkListener)
m_pWorkListener->WorkProgress(i);
}
if (m_pWorkListener)
m_pWorkListener->SetAction("Saving scenes", m_pScene->GetNumScenes());
FCDVisualSceneNodeLibrary* pVisualScenes = pDoc->GetVisualSceneLibrary();
for (size_t i = 0; i < m_pScene->GetNumScenes(); ++i)
{
FCDSceneNode* pNode = pVisualScenes->AddEntity();
SaveDAEScene(pNode, m_pScene->GetScene(i));
if (m_pWorkListener)
m_pWorkListener->WorkProgress(i);
}
if (m_pWorkListener)
m_pWorkListener->SetAction("Writing to disk...", 0);
FCollada::SaveDocument(pDoc, convert_to_fstring(sFilename));
pDoc->Release();
FCollada::Release();
if (m_pWorkListener)
m_pWorkListener->EndProgress();
}
void LoadMesh(CConversionScene* pScene, size_t iMesh)
{
TAssert(iMesh < pScene->GetNumMeshes());
if (iMesh >= pScene->GetNumMeshes())
return;
// Reserve space for n+1, the last one represents the default material.
g_aaflData.resize(pScene->GetNumMaterials()+1);
tvector<Vector> avecPoints;
tvector<size_t> aiPoints;
CConversionMesh* pMesh = pScene->GetMesh(iMesh);
for (size_t j = 0; j < pMesh->GetNumFaces(); j++)
{
CConversionFace* pFace = pMesh->GetFace(j);
size_t iMaterial = pFace->m;
if (iMaterial == ~0)
iMaterial = pScene->GetNumMaterials();
CConversionVertex* pVertex0 = pFace->GetVertex(0);
CConversionVertex* pVertex1 = pFace->GetVertex(1);
CConversionVertex* pLastVertex = pFace->GetVertex(pFace->GetNumVertices()-1);
avecPoints.clear();
aiPoints.clear();
for (size_t t = 0; t < pFace->GetNumVertices(); t++)
{
avecPoints.push_back(pMesh->GetVertex(pFace->GetVertex(t)->v));
aiPoints.push_back(t);
}
CConversionVertex* pVertex2;
while (avecPoints.size() > 3)
{
size_t iEar = FindEar(avecPoints);
size_t iLast = iEar==0?avecPoints.size()-1:iEar-1;
size_t iNext = iEar==avecPoints.size()-1?0:iEar+1;
pVertex0 = pFace->GetVertex(aiPoints[iLast]);
pVertex1 = pFace->GetVertex(aiPoints[iEar]);
pVertex2 = pFace->GetVertex(aiPoints[iNext]);
AddVertex(iMaterial, pMesh->GetVertex(pVertex0->v), pMesh->GetUV(pVertex0->vu));
AddVertex(iMaterial, pMesh->GetVertex(pVertex1->v), pMesh->GetUV(pVertex1->vu));
AddVertex(iMaterial, pMesh->GetVertex(pVertex2->v), pMesh->GetUV(pVertex2->vu));
avecPoints.erase(avecPoints.begin()+iEar);
aiPoints.erase(aiPoints.begin()+iEar);
}
TAssert(aiPoints.size() == 3);
if (aiPoints.size() != 3)
continue;
pVertex0 = pFace->GetVertex(aiPoints[0]);
pVertex1 = pFace->GetVertex(aiPoints[1]);
pVertex2 = pFace->GetVertex(aiPoints[2]);
AddVertex(iMaterial, pMesh->GetVertex(pVertex0->v), pMesh->GetUV(pVertex0->vu));
AddVertex(iMaterial, pMesh->GetVertex(pVertex1->v), pMesh->GetUV(pVertex1->vu));
AddVertex(iMaterial, pMesh->GetVertex(pVertex2->v), pMesh->GetUV(pVertex2->vu));
}
}