Ogre::MeshPtr
loadMesh(const Ogre::String& meshName, const Ogre::String& groupName,
const Ogre::String& baseResourceName, const Ogre::String& baseGroupName)
{
// Load the mesh
Ogre::MeshPtr mesh = loadCorrelativeResource(
meshName, groupName,
baseResourceName, baseGroupName,
Ogre::MeshManager::getSingleton());
if (mesh.isNull())
{
OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND,
"Unable to load mesh " + meshName,
"loadMesh");
}
// Try to resolve skeleton resource
if (mesh->hasSkeleton() && mesh->getSkeleton().isNull())
{
// resolve correlative with mesh
Ogre::SkeletonPtr skeleton = loadCorrelativeResource(
mesh->getSkeletonName(), groupName,
mesh->getName(), mesh->getGroup(),
Ogre::SkeletonManager::getSingleton());
if (skeleton.isNull())
{
// resolve correlative with base resource
skeleton = loadCorrelativeResource(
mesh->getSkeletonName(), groupName,
baseResourceName, baseGroupName,
Ogre::SkeletonManager::getSingleton());
}
if (skeleton.isNull())
{
OGRE_EXCEPT(Ogre::Exception::ERR_ITEM_NOT_FOUND,
"Unable to load skeleton " + mesh->getSkeletonName() +
" for mesh " + mesh->getName(),
"loadMesh");
}
// Set to the actual name
mesh->setSkeletonName(skeleton->getName());
}
return mesh;
}
Ogre::Mesh* EC_Mesh::PrepareMesh(const std::string& mesh_name, bool clone)
{
if (!ViewEnabled())
return 0;
if (renderer_.expired())
return 0;
RendererPtr renderer = renderer_.lock();
Ogre::MeshManager& mesh_mgr = Ogre::MeshManager::getSingleton();
Ogre::MeshPtr mesh = mesh_mgr.getByName(SanitateAssetIdForOgre(mesh_name));
// For local meshes, mesh will not get automatically loaded until used in an entity. Load now if necessary
if (mesh.isNull())
{
try
{
mesh_mgr.load(mesh_name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mesh = mesh_mgr.getByName(mesh_name);
}
catch (Ogre::Exception& e)
{
LogError("Could not load mesh " + mesh_name + ": " + std::string(e.what()));
return 0;
}
}
// If mesh is still null, must abort
if (mesh.isNull())
{
LogError("Mesh " + mesh_name + " does not exist");
return 0;
}
if (clone)
{
try
{
mesh = mesh->clone(renderer->GetUniqueObjectName("EC_Mesh_clone"));
mesh->setAutoBuildEdgeLists(false);
cloned_mesh_name_ = mesh->getName();
}
catch (Ogre::Exception& e)
{
LogError("Could not clone mesh " + mesh_name + ":" + std::string(e.what()));
return 0;
}
}
if (mesh->hasSkeleton())
{
Ogre::SkeletonPtr skeleton = Ogre::SkeletonManager::getSingleton().getByName(mesh->getSkeletonName());
if (skeleton.isNull() || skeleton->getNumBones() == 0)
{
LogDebug("Mesh " + mesh_name + " has a skeleton with 0 bones. Disabling the skeleton.");
mesh->setSkeletonName("");
}
}
return mesh.get();
}
void ResourceLoader::loadMeshWork(const String& name, Mesh::MeshdataPtr mesh, const String& skeletonName, LoadedCallback cb) {
Ogre::MeshManager& mm = Ogre::MeshManager::getSingleton();
Ogre::MeshPtr mo = mm.getByName(name);
if (mo.isNull()) {
/// FIXME: set bounds, bounding radius here
Ogre::ManualResourceLoader *reload;
mo = mm.createManual(name,Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,(reload=
#ifdef _WIN32
#ifdef NDEBUG
OGRE_NEW
#else
new
#endif
#else
OGRE_NEW
#endif
ManualMeshLoader(mesh, name)));
reload->prepareResource(&*mo);
reload->loadResource(&*mo);
if (!skeletonName.empty()) {
Ogre::SkeletonManager& skel_mgr = Ogre::SkeletonManager::getSingleton();
Ogre::SkeletonPtr skel = skel_mgr.getByName(skeletonName);
if (!skel.isNull())
mo->_notifySkeleton(skel);
}
}
cb();
}
gkSkeletonLoader::gkSkeletonLoader(gkSkeletonResource* skel)
: m_skeleton(skel)
{
Ogre::SkeletonManager& mgr = Ogre::SkeletonManager::getSingleton();
const gkString& name = m_skeleton->getResourceName().getName();
Ogre::SkeletonPtr oskel = mgr.getByName(name);
if (oskel.isNull())
oskel = mgr.create(name, skel->getGroupName(), true, this); //GK_BUILTIN_GROUP
}
void ResourceLoader::loadSkeletonWork(const String& name, Mesh::MeshdataPtr mesh, const std::set<String>& animationList, LoadedCallback cb) {
Ogre::SkeletonManager& skel_mgr = Ogre::SkeletonManager::getSingleton();
Ogre::SkeletonPtr skel = skel_mgr.getByName(name);
if (skel.isNull()) {
Ogre::ManualResourceLoader *reload;
Ogre::SkeletonPtr skel = Ogre::SkeletonPtr(skel_mgr.create(name,Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, true,
(reload=new ManualSkeletonLoader(mesh, animationList))));
reload->prepareResource(&*skel);
reload->loadResource(&*skel);
}
cb();
}
const std::string& EC_Mesh::GetSkeletonName() const
{
static std::string empty_name;
if (!entity_)
return empty_name;
else
{
Ogre::MeshPtr mesh = entity_->getMesh();
if (!mesh->hasSkeleton())
return empty_name;
Ogre::SkeletonPtr skel = mesh->getSkeleton();
if (skel.isNull())
return empty_name;
return skel->getName();
}
}
Ogre::SkeletonPtr GetLocalSkeleton(const std::string& name)
{
Ogre::SkeletonManager& manager = Ogre::SkeletonManager::getSingleton();
Ogre::SkeletonPtr skel = manager.getByName(name);
if (skel.isNull())
{
try
{
manager.load(name, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
skel = manager.getByName(name);
}
catch(...) {}
}
return skel;
}
void EC_Mesh::OnSkeletonAssetLoaded(AssetPtr asset)
{
OgreSkeletonAsset *skeletonAsset = dynamic_cast<OgreSkeletonAsset*>(asset.get());
if (!skeletonAsset)
{
LogError("OnSkeletonAssetLoaded: Skeleton asset load finished for asset \"" +
asset->Name().toStdString() + "\", but downloaded asset was not of type OgreSkeletonAsset!");
return;
}
Ogre::SkeletonPtr skeleton = skeletonAsset->ogreSkeleton;
if (skeleton.isNull())
{
LogError("OnSkeletonAssetLoaded: Skeleton asset load finished for asset \"" +
asset->Name().toStdString() + "\", but Ogre::Skeleton pointer was null!");
return;
}
if(!entity_)
{
LogDebug("Could not set skeleton yet because entity is not yet created");
return;
}
try
{
// If old skeleton is same as a new one no need to replace it.
if (entity_->getSkeleton() && entity_->getSkeleton()->getName() == skeleton->getName())
return;
entity_->getMesh()->_notifySkeleton(skeleton);
// LogDebug("Set skeleton " + skeleton->getName() + " to mesh " + entity_->getName());
emit SkeletonChanged(QString::fromStdString(skeleton->getName()));
}
catch (...)
{
LogError("Exception while setting skeleton to mesh" + entity_->getName());
}
// Now we have to recreate the entity to get proper animations etc.
SetMesh(entity_->getMesh()->getName().c_str(), false);
}
bool EC_Mesh::SetMeshWithSkeleton(const std::string& mesh_name, const std::string& skeleton_name, bool clone)
{
if (!ViewEnabled())
return false;
OgreWorldPtr world = world_.lock();
Ogre::SkeletonPtr skel = Ogre::SkeletonManager::getSingleton().getByName(AssetAPI::SanitateAssetRef(skeleton_name));
if (skel.isNull())
{
LogError("EC_Mesh::SetMeshWithSkeleton: Could not set skeleton " + skeleton_name + " to mesh " + mesh_name + ": not found");
return false;
}
RemoveMesh();
Ogre::SceneManager* sceneMgr = world->OgreSceneManager();
Ogre::Mesh* mesh = PrepareMesh(mesh_name, clone);
if (!mesh)
return false;
try
{
mesh->_notifySkeleton(skel);
// LogDebug("Set skeleton " + skeleton_name + " to mesh " + mesh_name);
}
catch(Ogre::Exception& e)
{
LogError("EC_Mesh::SetMeshWithSkeleton: Could not set skeleton " + skeleton_name + " to mesh " + mesh_name + ": " + std::string(e.what()));
return false;
}
try
{
entity_ = sceneMgr->createEntity(world->GetUniqueObjectName("EC_Mesh_entwithskel"), mesh->getName());
if (!entity_)
{
LogError("EC_Mesh::SetMeshWithSkeleton: Could not set mesh " + mesh_name);
return false;
}
entity_->setRenderingDistance(drawDistance.Get());
entity_->setCastShadows(castShadows.Get());
entity_->setUserAny(Ogre::Any(static_cast<IComponent *>(this)));
// Set UserAny also on subentities
for(uint i = 0; i < entity_->getNumSubEntities(); ++i)
entity_->getSubEntity(i)->setUserAny(entity_->getUserAny());
if (entity_->hasSkeleton())
{
Ogre::SkeletonInstance* skel = entity_->getSkeleton();
// Enable cumulative mode on skeletal animations
if (skel)
skel->setBlendMode(Ogre::ANIMBLEND_CUMULATIVE);
}
}
catch(Ogre::Exception& e)
{
LogError("EC_Mesh::SetMeshWithSkeleton: Could not set mesh " + mesh_name + ": " + std::string(e.what()));
return false;
}
AttachEntity();
emit MeshChanged();
return true;
}
void MilkshapePlugin::doExportMesh(msModel* pModel)
{
// Create singletons
Ogre::SkeletonManager skelMgr;
Ogre::DefaultHardwareBufferManager defHWBufMgr;
Ogre::LogManager& logMgr = Ogre::LogManager::getSingleton();
Ogre::MeshManager meshMgr;
//
// choose filename
//
OPENFILENAME ofn;
memset (&ofn, 0, sizeof (OPENFILENAME));
char szFile[MS_MAX_PATH];
char szFileTitle[MS_MAX_PATH];
char szDefExt[32] = "mesh";
char szFilter[128] = "OGRE .mesh Files (*.mesh)\0*.mesh\0All Files (*.*)\0*.*\0\0";
szFile[0] = '\0';
szFileTitle[0] = '\0';
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.lpstrDefExt = szDefExt;
ofn.lpstrFilter = szFilter;
ofn.lpstrFile = szFile;
ofn.nMaxFile = MS_MAX_PATH;
ofn.lpstrFileTitle = szFileTitle;
ofn.nMaxFileTitle = MS_MAX_PATH;
ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
ofn.lpstrTitle = "Export to OGRE Mesh";
if (!::GetSaveFileName (&ofn))
return /*0*/;
logMgr.logMessage("Creating Mesh object...");
Ogre::MeshPtr ogreMesh = Ogre::MeshManager::getSingleton().create("export",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
logMgr.logMessage("Mesh object created.");
bool foundBoneAssignment = false;
// No shared geometry
int i;
int wh, numbones;
int intweight[3], intbones[3];
size_t j;
Ogre::Vector3 min, max, currpos;
Ogre::Real maxSquaredRadius;
bool first = true;
for (i = 0; i < msModel_GetMeshCount (pModel); i++)
{
msMesh *pMesh = msModel_GetMeshAt (pModel, i);
logMgr.logMessage("Creating SubMesh object...");
Ogre::SubMesh* ogreSubMesh = ogreMesh->createSubMesh();
logMgr.logMessage("SubMesh object created.");
// Set material
logMgr.logMessage("Getting SubMesh Material...");
int matIdx = msMesh_GetMaterialIndex(pMesh);
if (matIdx == -1)
{
// No material, use blank
ogreSubMesh->setMaterialName("BaseWhite");
logMgr.logMessage("No Material, using default 'BaseWhite'.");
}
else
{
msMaterial *pMat = msModel_GetMaterialAt(pModel, matIdx);
ogreSubMesh->setMaterialName(pMat->szName);
logMgr.logMessage("SubMesh Material Done.");
}
logMgr.logMessage("Setting up geometry...");
// Set up mesh geometry
ogreSubMesh->vertexData = new Ogre::VertexData();
ogreSubMesh->vertexData->vertexCount = msMesh_GetVertexCount (pMesh);
ogreSubMesh->vertexData->vertexStart = 0;
Ogre::VertexBufferBinding* bind = ogreSubMesh->vertexData->vertexBufferBinding;
Ogre::VertexDeclaration* decl = ogreSubMesh->vertexData->vertexDeclaration;
// Always 1 texture layer, 2D coords
#define POSITION_BINDING 0
#define NORMAL_BINDING 1
#define TEXCOORD_BINDING 2
decl->addElement(POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
decl->addElement(NORMAL_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
decl->addElement(TEXCOORD_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
// Create buffers
Ogre::HardwareVertexBufferSharedPtr pbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(POSITION_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr nbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(NORMAL_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr tbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(TEXCOORD_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
bind->setBinding(POSITION_BINDING, pbuf);
bind->setBinding(NORMAL_BINDING, nbuf);
bind->setBinding(TEXCOORD_BINDING, tbuf);
ogreSubMesh->useSharedVertices = false;
float* pPos = static_cast<float*>(
pbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing positions and texture coords...");
for (j = 0; j < ogreSubMesh->vertexData->vertexCount; ++j)
{
logMgr.logMessage("Doing vertex " + Ogre::StringConverter::toString(j));
msVertex *pVertex = msMesh_GetVertexAt (pMesh, (int)j);
msVertexEx *pVertexEx=msMesh_GetVertexExAt(pMesh, (int)j);
msVec3 Vertex;
msVertex_GetVertex (pVertex, Vertex);
*pPos++ = Vertex[0];
*pPos++ = Vertex[1];
*pPos++ = Vertex[2];
// Deal with bounds
currpos = Ogre::Vector3(Vertex[0], Vertex[1], Vertex[2]);
if (first)
{
min = max = currpos;
maxSquaredRadius = currpos.squaredLength();
first = false;
}
else
{
min.makeFloor(currpos);
max.makeCeil(currpos);
maxSquaredRadius = std::max(maxSquaredRadius, currpos.squaredLength());
}
int boneIdx = msVertex_GetBoneIndex(pVertex);
if (boneIdx != -1)
{
foundBoneAssignment = true;
numbones = 1;
intbones[0] = intbones[1] = intbones[2] = -1;
intweight[0] = intweight[1] = intweight[2] = 0;
for(wh = 0; wh < 3; ++wh)
{
intbones[wh] = msVertexEx_GetBoneIndices(pVertexEx, wh);
if(intbones[wh] == -1)
break;
++numbones;
intweight[wh] = msVertexEx_GetBoneWeights(pVertexEx, wh);
} // for(k)
Ogre::VertexBoneAssignment vertAssign;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(numbones == 1)
{
vertAssign.weight = 1.0;
} // single assignment
else
{
vertAssign.weight=(Ogre::Real)intweight[0]/100.0;
}
ogreSubMesh->addBoneAssignment(vertAssign);
if(numbones > 1)
{
// this somewhat contorted logic is because the first weight [0] matches to the bone assignment
// located with pVertex. The next two weights [1][2] match up to the first two bones found
// with pVertexEx [0][1]. The weight for the fourth bone, if present, is the unassigned weight
for(wh = 0; wh < 3; wh++)
{
boneIdx = intbones[wh];
if(boneIdx == -1)
break;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(wh == 2)
{
// fourth weight is 1.0-(sumoffirstthreeweights)
vertAssign.weight = 1.0-(((Ogre::Real)intweight[0]/100.0)+
((Ogre::Real)intweight[1]/100.0)+((Ogre::Real)intweight[2]/100.0));
}
else
{
vertAssign.weight=(Ogre::Real)intweight[wh+1];
}
ogreSubMesh->addBoneAssignment(vertAssign);
} // for(k)
} // if(numbones)
}
}
pbuf->unlock();
float* pTex = static_cast<float*>(
tbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing uvs, normals and indexes (v2)...");
// Aargh, Milkshape uses stupid separate normal indexes for the same vertex like 3DS
// Normals aren't described per vertex but per triangle vertex index
// Pain in the arse, we have to do vertex duplication again if normals differ at a vertex (non smooth)
// WHY don't people realise this format is a pain for passing to 3D APIs in vertex buffers?
float* pNorm = static_cast<float*>(
nbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
ogreSubMesh->indexData->indexCount = msMesh_GetTriangleCount (pMesh) * 3;
// Always use 16-bit buffers, Milkshape can't handle more anyway
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT,
ogreSubMesh->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->indexData->indexBuffer = ibuf;
unsigned short *pIdx = static_cast<unsigned short*>(
ibuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (j = 0; j < ogreSubMesh->indexData->indexCount; j+=3)
{
msTriangle *pTriangle = msMesh_GetTriangleAt (pMesh, (int)j/3);
msTriangleEx *pTriangleEx=msMesh_GetTriangleExAt(pMesh, (int)j/3);
word nIndices[3];
msTriangle_GetVertexIndices (pTriangle, nIndices);
msVec3 Normal;
msVec2 uv;
int k, vertIdx;
for (k = 0; k < 3; ++k)
{
vertIdx = nIndices[k];
// Face index
pIdx[j+k] = vertIdx;
// Vertex normals
// For the moment, ignore any discrepancies per vertex
msTriangleEx_GetNormal(pTriangleEx, k, &Normal[0]);
msTriangleEx_GetTexCoord(pTriangleEx, k, &uv[0]);
pTex[(vertIdx*2)]=uv[0];
pTex[(vertIdx*2)+1]=uv[1];
pNorm[(vertIdx*3)] = Normal[0];
pNorm[(vertIdx*3)+1] = Normal[1];
pNorm[(vertIdx*3)+2] = Normal[2];
}
} // Faces
nbuf->unlock();
ibuf->unlock();
tbuf->unlock();
// Now use Ogre's ability to reorganise the vertex buffers the best way
Ogre::VertexDeclaration* newDecl =
ogreSubMesh->vertexData->vertexDeclaration->getAutoOrganisedDeclaration(
foundBoneAssignment, false);
Ogre::BufferUsageList bufferUsages;
for (size_t u = 0; u <= newDecl->getMaxSource(); ++u)
bufferUsages.push_back(Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->vertexData->reorganiseBuffers(newDecl, bufferUsages);
logMgr.logMessage("Geometry done.");
} // SubMesh
// Set bounds
ogreMesh->_setBoundingSphereRadius(Ogre::Math::Sqrt(maxSquaredRadius));
ogreMesh->_setBounds(Ogre::AxisAlignedBox(min, max), false);
// Keep hold of a Skeleton pointer for deletion later
// Mesh uses Skeleton pointer for skeleton name
Ogre::SkeletonPtr pSkel;
if (exportSkeleton && foundBoneAssignment)
{
// export skeleton, also update mesh to point to it
pSkel = doExportSkeleton(pModel, ogreMesh);
}
else if (!exportSkeleton && foundBoneAssignment)
{
// We've found bone assignments, but skeleton is not to be exported
// Prompt the user to find the skeleton
if (!locateSkeleton(ogreMesh))
return;
}
// Export
logMgr.logMessage("Creating MeshSerializer..");
Ogre::MeshSerializer serializer;
logMgr.logMessage("MeshSerializer created.");
// Generate LODs if required
if (generateLods)
{
// Build LOD depth list
Ogre::Mesh::LodDistanceList distList;
float depth = 0;
for (unsigned short depthidx = 0; depthidx < numLods; ++depthidx)
{
depth += lodDepthIncrement;
distList.push_back(depth);
}
ogreMesh->generateLodLevels(distList, lodReductionMethod, lodReductionAmount);
}
if (generateEdgeLists)
{
ogreMesh->buildEdgeList();
}
if (generateTangents)
{
unsigned short src, dest;
ogreMesh->suggestTangentVectorBuildParams(tangentSemantic, src, dest);
ogreMesh->buildTangentVectors(tangentSemantic, src, dest, tangentsSplitMirrored, tangentsSplitRotated, tangentsUseParity);
}
// Export
Ogre::String msg;
msg = "Exporting mesh data to file '" + Ogre::String(szFile) + "'";
logMgr.logMessage(msg);
serializer.exportMesh(ogreMesh.getPointer(), szFile);
logMgr.logMessage("Export successful");
Ogre::MeshManager::getSingleton().remove(ogreMesh->getHandle());
if (!pSkel.isNull())
Ogre::SkeletonManager::getSingleton().remove(pSkel->getHandle());
if (exportMaterials && msModel_GetMaterialCount(pModel) > 0)
{
doExportMaterials(pModel);
}
}