// static exchange function
VDecorationDensityChannel *VDecorationDensityChannel::ChunkFileExchange(VChunkFile &file, VDecorationDensityChannel *pChannel, VEditableTerrain *pTerrain)
{
const VTerrainConfig &cfg(pTerrain->m_Config);
int iVersion = 8;
char szModelFilename[FS_MAX_PATH];
if (file.IsLoading())
{
int iSizeX,iSizeY;
IVTerrainDecorationModel::ModelProperties_t props;
file.ReadInt(iVersion);
IVTerrainDecorationModel::ModelType_e eForcedType = IVTerrainDecorationModel::AnyType;
if (iVersion>=6)
file.ReadInt((int &)eForcedType);
file.ReadString(szModelFilename,FS_MAX_PATH);
props.ChunkFileExchange(file,iVersion);
file.ReadInt(iSizeX);
file.ReadInt(iSizeY);
IVTerrainDecorationModel *pRes = VTerrainDecorationModelManager::GlobalManager().CreateModel(szModelFilename,props,true,eForcedType);
if (!pRes || !pRes->IsValid()) // discard this one, but keep the file order intact
{
file.SkipBytes(iSizeX*iSizeY);
return NULL;
}
pChannel = new VDecorationDensityChannel(pRes,cfg);
pChannel->ReadScaled(file,iSizeX,iSizeY); // considers and fixes different scaling
pChannel->SetDirtyFlag();
return pChannel;
}
// saving:
VASSERT(pChannel && pChannel->m_spSource);
file.WriteInt(iVersion);
file.WriteInt((int)pChannel->m_spSource->GetDecorationType()); // version 6
file.WriteString(pChannel->m_spSource->GetFilename());
pChannel->m_spSource->m_Properties.ChunkFileExchange(file,iVersion);
file.WriteInt(pChannel->m_iSizeX);
file.WriteInt(pChannel->m_iSizeY);
file.Write(pChannel->GetValuePtr(0,0),pChannel->GetSampleCount());
return pChannel;
}
// called by sectors:
inline void AddVisibleDecorationInstance(VTerrainDecorationInstance *pInstance)
{
IVTerrainDecorationModel *pModel = pInstance->m_spModel;
VASSERT(pModel!=NULL);
if (VISION_UNLIKELY(!pModel->IsLoaded()))
{
if (pModel->IsMissing())
return;
pModel->EnsureLoaded();
if (pModel->IsMissing() || !pModel->IsValid())
return;
}
pModel->UpdateTimeStamp(); // for resource management
m_VisibleDecoration[m_iVisibleDecorationCount++] = pInstance;
}
