void Cal3dModel::renderMesh(bool useTextures, bool useLighting, bool select_mode) {
// get the renderer of the model
CalRenderer *pCalRenderer = m_calModel->getRenderer();
assert(pCalRenderer != NULL);
// We let open gl do this, so no need to do it twice
pCalRenderer->setNormalization(false);
// begin the rendering loop
if (!pCalRenderer->beginRendering()) {
// Some kind of error here!
return;
}
// get the number of meshes
int meshCount = pCalRenderer->getMeshCount();
int numSubMeshes = 0;
for (int i = 0; i < meshCount; ++i) {
numSubMeshes += pCalRenderer->getSubmeshCount(i);
}
m_dos.resize(numSubMeshes);
int counter = -1;
// render all meshes of the model
for(int meshId = 0; meshId < meshCount; ++meshId) {
// get the number of submeshes
int submeshCount = pCalRenderer->getSubmeshCount(meshId);
// render all submeshes of the mesh
for(int submeshId = 0; submeshId < submeshCount; ++submeshId) {
// select mesh and submesh for further data access
if(pCalRenderer->selectMeshSubmesh(meshId, submeshId)) {
DynamicObject* dyno = m_dos[++counter];
if (!dyno) {
dyno = new DynamicObject();
dyno->init();
dyno->contextCreated();
m_dos[counter] = dyno;
// Lets assume this doesn't change
static unsigned char meshColor[4];
static float ambient[4];
static float diffuse[4];
static float specular[4];
static float shininess;
pCalRenderer->getAmbientColor(&meshColor[0]);
ambient[0] = meshColor[0] / 255.0f;
ambient[1] = meshColor[1] / 255.0f;
ambient[2] = meshColor[2] / 255.0f;
ambient[3] = meshColor[3] / 255.0f;
dyno->setAmbient(ambient);
// set the material diffuse color
pCalRenderer->getDiffuseColor(&meshColor[0]);
diffuse[0] = meshColor[0] / 255.0f;
diffuse[1] = meshColor[1] / 255.0f;
diffuse[2] = meshColor[2] / 255.0f;
diffuse[3] = 1.0f;//meshColor[3] / 255.0f;
dyno->setDiffuse(diffuse);
// set the material specular color
pCalRenderer->getSpecularColor(&meshColor[0]);
specular[0] = meshColor[0] / 255.0f;
specular[1] = meshColor[1] / 255.0f;
specular[2] = meshColor[2] / 255.0f;
specular[3] = meshColor[3] / 255.0f;
dyno->setSpecular(specular);
dyno->setEmission(0.0f, 0.0f, 0.0f,0.0f);
shininess = pCalRenderer->getShininess();
dyno->setShininess(shininess);
dyno->getMatrix().rotateZ(-m_rotate / 180.0 * WFMath::Pi);
dyno->setState(m_state);
dyno->setSelectState(m_select_state);
dyno->setUseStencil(m_use_stencil);
}
// get the transformed vertices of the submesh
int vertexCount = pCalRenderer->getVertexCount();
bool realloc = false;
float *vertex_ptr, *normal_ptr, *texture_ptr;
int textureCoordinateCount = 0;
if (vertexCount > dyno->getNumPoints()) {
realloc = true;
vertex_ptr = dyno->createVertexData(vertexCount * 3);
pCalRenderer->getVertices(vertex_ptr);
dyno->releaseVertexDataPtr();
normal_ptr = dyno->createNormalData(vertexCount * 3);
pCalRenderer->getNormals(normal_ptr);
dyno->releaseNormalDataPtr();
} else {
vertex_ptr = dyno->getVertexDataPtr();
pCalRenderer->getVertices(vertex_ptr);
dyno->releaseVertexDataPtr();
normal_ptr = dyno->getNormalDataPtr();
pCalRenderer->getNormals(normal_ptr);
dyno->releaseNormalDataPtr();
}
int faceCount = pCalRenderer->getFaceCount();
if (faceCount > 0) {
int *face_ptr;
if (faceCount > dyno->getNumFaces()) {
face_ptr = dyno->createIndices(faceCount * 3);
} else {
face_ptr = dyno->getIndicesPtr();
}
pCalRenderer->getFaces(face_ptr);
dyno->releaseIndicesPtr();
dyno->setNumFaces(faceCount);
}
dyno->setNumPoints(vertexCount);
// There are several situations that can happen here.
// Model with/without texture coordinates
// Model with/without texture maps
// Model with/without texture mas name defined
// Each model can be a mixture of the above. We want objects with
// textures and texture coords.
bool mapDataFound = false;
std::vector<std::vector<CalCoreSubmesh::TextureCoordinate> > & vectorvectorTextureCoordinate =
m_calModel->getVectorMesh()[meshId]->getSubmesh(submeshId)->getCoreSubmesh()->getVectorVectorTextureCoordinate();
// check if the map id is valid
if ( vectorvectorTextureCoordinate.size() > 0) {
textureCoordinateCount = vectorvectorTextureCoordinate[0].size();
}
if((pCalRenderer->getMapCount() > 0) && (textureCoordinateCount > 0)) {
for (int i = 0; i < pCalRenderer->getMapCount(); ++i) {
MapData *md = reinterpret_cast<MapData*>
(pCalRenderer->getMapUserData(i));
if (md) {
dyno->setTexture(i, md->textureID, md->textureMaskID);
mapDataFound = true;
} else {
// Can't have a missing texture map between units.
break;
}
}
}
if (mapDataFound){
if (realloc) {
texture_ptr = dyno->createTextureData(vertexCount * 2);
textureCoordinateCount = pCalRenderer->getTextureCoordinates(0, texture_ptr);
dyno->releaseTextureDataPtr();
} else {
texture_ptr = dyno->getTextureDataPtr();
textureCoordinateCount = pCalRenderer->getTextureCoordinates(0, texture_ptr);
dyno->releaseTextureDataPtr();
}
if (textureCoordinateCount == -1) {
// Need to ignore the texture buffer
}
// assert(textureCoordinateCount == vertexCount);
}
}
}
}
pCalRenderer->endRendering();
}
