Ogre::MeshPtr CMapLoader::LoadModel(const char * path)
{
MapResource<Ogre::MeshPtr> res;
Ogre::MeshPtr pMesh;
// Check if this model was already loaded
pMesh = Ogre::MeshManager::getSingleton().getByName(path);
if(!pMesh.isNull())
return pMesh;
sectionitem_t * item = LoadItem(path, &res.map);
if(item == NULL)
return Ogre::MeshPtr(NULL);
pMesh = Ogre::MeshManager::getSingleton().createManual(path,
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream(item->data, item->size, false, true));
Ogre::MeshSerializer serializer;
serializer.importMesh(stream, pMesh.getPointer());
// No need to keep this in memory
mapUnloadItem(item);
// Track this resource
res.data = pMesh;
meshes.push_back(res);
return pMesh;
}
bool OgreMeshAsset::DeserializeFromData(const u8 *data_, size_t numBytes, bool allowAsynchronous)
{
PROFILE(OgreMeshAsset_LoadFromFileInMemory);
/// Force an unload of this data first.
Unload();
/// @todo Duplicate allowAsynchronous code in OgreMeshAsset and TextureAsset.
if ((OGRE_THREAD_SUPPORT == 0) || !assetAPI->Cache() || assetAPI->IsHeadless() || IsAssimpFileType() ||
assetAPI->GetFramework()->HasCommandLineParameter("--noAsyncAssetLoad") ||
assetAPI->GetFramework()->HasCommandLineParameter("--no_async_asset_load")) /**< @todo Remove support for the deprecated underscore version at some point. */
{
allowAsynchronous = false;
}
QString cacheDiskSource;
if (allowAsynchronous)
{
cacheDiskSource = assetAPI->Cache()->FindInCache(Name());
if (cacheDiskSource.isEmpty())
allowAsynchronous = false;
}
// Asynchronous loading
// 1. AssetAPI allows a asynch load. This is false when called from LoadFromFile(), LoadFromCache() etc.
// 2. We have a rendering window for Ogre as Ogre::ResourceBackgroundQueue does not work otherwise. Its not properly initialized without a rendering window.
// 3. The Ogre we are building against has thread support.
if (allowAsynchronous)
{
// We can only do threaded loading from disk, and not any disk location but only from asset cache.
// local:// refs will return empty string here and those will fall back to the non-threaded loading.
// Do not change this to do DiskCache() as that directory for local:// refs will not be a known resource location for ogre.
QFileInfo fileInfo(cacheDiskSource);
std::string sanitatedAssetRef = fileInfo.fileName().toStdString();
//! \todo - Should we set this somewhere for async path?: ogreMesh->setAutoBuildEdgeLists(false);
loadTicket_ = Ogre::ResourceBackgroundQueue::getSingleton().load(Ogre::MeshManager::getSingleton().getResourceType(),
sanitatedAssetRef, OgreRenderer::OgreRenderingModule::CACHE_RESOURCE_GROUP, false, 0, 0, this);
return true;
}
if (!data_)
{
LogError("OgreMeshAsset::DeserializeFromData: Cannot deserialize from null input data");
return false;
}
// Synchronous loading
if (ogreMesh.isNull())
{
ogreMesh = Ogre::MeshManager::getSingleton().createManual(
AssetAPI::SanitateAssetRef(this->Name()).toStdString(), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (ogreMesh.isNull())
{
LogError("OgreMeshAsset::DeserializeFromData: Failed to create mesh " + Name());
return false;
}
ogreMesh->setAutoBuildEdgeLists(false);
}
// Convert file to Ogre mesh using assimp
if (IsAssimpFileType())
{
#ifdef ASSIMP_ENABLED
emit ExternalConversionRequested(this, data_, numBytes);
return true;
#else
LogError(QString("OgreMeshAsset::DeserializeFromData: cannot convert " + Name() + " to Ogre mesh. OpenAssetImport is not enabled."));
return false;
#endif
}
try
{
std::vector<u8> tempData(data_, data_ + numBytes);
#include "DisableMemoryLeakCheck.h"
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream((void*)&tempData[0], numBytes, false));
#include "EnableMemoryLeakCheck.h"
Ogre::MeshSerializer serializer;
serializer.importMesh(stream, ogreMesh.getPointer()); // Note: importMesh *adds* submeshes to an existing mesh. It doesn't replace old ones.
}
catch (Ogre::Exception &e)
{
LogError(QString("OgreMeshAsset::DeserializeFromData: Ogre::MeshSerializer::importMesh failed when loading asset '" + Name() + "': ") + e.what());
if(IsAssimpFileType())
LogError(QString("OgreMeshAsset::DeserializeFromData: cannot convert " + Name() + " to Ogre mesh. OpenAssetImport is not enabled."));
return false;
}
if (GenerateMeshData())
{
// We did a synchronous load, must call AssetLoadCompleted here.
assetAPI->AssetLoadCompleted(Name());
return true;
}
else
return false;
}
bool OgreMeshResource::SetData(Foundation::AssetPtr source)
{
if (!source)
{
OgreRenderingModule::LogError("Null source asset data pointer");
return false;
}
if (!source->GetSize())
{
OgreRenderingModule::LogError("Zero sized mesh asset");
return false;
}
try
{
if (ogre_mesh_.isNull())
{
ogre_mesh_ = Ogre::MeshManager::getSingleton().createManual(
id_, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (ogre_mesh_.isNull())
{
OgreRenderingModule::LogError("Failed to create mesh " + id_);
return false;
}
ogre_mesh_->setAutoBuildEdgeLists(false);
}
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream((void*)source->GetData(), source->GetSize(), false));
Ogre::MeshSerializer serializer;
serializer.importMesh(stream, ogre_mesh_.getPointer());
// Generate tangents to mesh
try
{
unsigned short src, dest;
if (!ogre_mesh_->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src, dest))
ogre_mesh_->buildTangentVectors(Ogre::VES_TANGENT, src, dest);
}
catch (...) {}
// Generate extremity points to submeshes, 1 should be enough
try
{
for(uint i = 0; i < ogre_mesh_->getNumSubMeshes(); ++i)
{
Ogre::SubMesh *smesh = ogre_mesh_->getSubMesh(i);
if (smesh)
smesh->generateExtremes(1);
}
}
catch (...) {}
// Assign default materials that won't complain
original_materials_.clear();
for (uint i = 0; i < ogre_mesh_->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = ogre_mesh_->getSubMesh(i);
if (submesh)
{
original_materials_.push_back(submesh->getMaterialName());
submesh->setMaterialName("UnlitTextured");
}
}
}
catch (Ogre::Exception &e)
{
OgreRenderingModule::LogError("Failed to create mesh " + id_ + ": " + std::string(e.what()));
RemoveMesh();
return false;
}
OgreRenderingModule::LogDebug("Ogre mesh " + id_ + " created");
return true;
}
AssetLoadState OgreMeshAsset::DeserializeFromData(const u8 *data_, size_t numBytes)
{
PROFILE(OgreMeshAsset_LoadFromFileInMemory);
assert(data_);
if (!data_)
return ASSET_LOAD_FAILED;
// Force an unload of this data first.
Unload();
if (OGRE_THREAD_SUPPORT != 0)
{
// We can only do threaded loading from disk, and not any disk location but only from asset cache.
// local:// refs will return empty string here and those will fall back to the non-threaded loading.
// Do not change this to do DiskCache() as that directory for local:// refs will not be a known resource location for ogre.
QString cacheDiskSource = assetAPI->GetAssetCache()->GetDiskSource(QUrl(Name()));
if (!cacheDiskSource.isEmpty())
{
QFileInfo fileInfo(cacheDiskSource);
std::string sanitatedAssetRef = fileInfo.fileName().toStdString();
loadTicket_ = Ogre::ResourceBackgroundQueue::getSingleton().load(Ogre::MeshManager::getSingleton().getResourceType(),
sanitatedAssetRef, OgreRenderer::OgreRenderingModule::CACHE_RESOURCE_GROUP,
false, 0, 0, this);
return ASSET_LOAD_PROCESSING;
}
}
if (ogreMesh.isNull())
{
ogreMesh = Ogre::MeshManager::getSingleton().createManual(
OgreRenderer::SanitateAssetIdForOgre(this->Name().toStdString()), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
if (ogreMesh.isNull())
{
LogError("Failed to create mesh " + Name().toStdString());
return ASSET_LOAD_FAILED;
}
ogreMesh->setAutoBuildEdgeLists(false);
}
std::vector<u8> tempData(data_, data_ + numBytes);
#include "DisableMemoryLeakCheck.h"
Ogre::DataStreamPtr stream(new Ogre::MemoryDataStream((void*)&tempData[0], numBytes, false));
#include "EnableMemoryLeakCheck.h"
Ogre::MeshSerializer serializer;
serializer.importMesh(stream, ogreMesh.getPointer()); // Note: importMesh *adds* submeshes to an existing mesh. It doesn't replace old ones.
// Generate tangents to mesh
try
{
unsigned short src, dest;
///\bug Crashes if called for a mesh that has null or zero vertices in the vertex buffer, or null or zero indices in the index buffer.
if (!ogreMesh->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src, dest))
ogreMesh->buildTangentVectors(Ogre::VES_TANGENT, src, dest);
}
catch (...) {}
// Generate extremity points to submeshes, 1 should be enough
try
{
for(uint i = 0; i < ogreMesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh *smesh = ogreMesh->getSubMesh(i);
if (smesh)
smesh->generateExtremes(1);
}
}
catch (...) {}
try
{
// Assign default materials that won't complain
SetDefaultMaterial();
// Set asset references the mesh has
//ResetReferences();
}
catch (Ogre::Exception &e)
{
LogError("Failed to create mesh " + this->Name().toStdString() + ": " + std::string(e.what()));
Unload();
return ASSET_LOAD_FAILED;
}
//internal_name_ = SanitateAssetIdForOgre(id_);
LogDebug("Ogre mesh " + this->Name().toStdString() + " created");
return ASSET_LOAD_SUCCESFULL;
}
