void Texture::prepareImpl()
{
if (isManualLoaded())
return;
DataStreamPtr dataStream = ResourceGroupMgr::getSingltonPtr()->openResource(mName, mGroup);
mPreparedData = MemoryDataStreamPtr(TITAN_NEW MemoryDataStream(dataStream));
}
//-------------------------------------------------------------------------
void HeightmapTerrainPageSource::loadHeightmap(void)
{
size_t imgSize;
// Special-case RAW format
if (mIsRaw)
{
// Image size comes from setting (since RAW is not self-describing)
imgSize = mRawSize;
// Load data
mRawData.setNull();
DataStreamPtr stream =
ResourceGroupManager::getSingleton().openResource(
mSource, ResourceGroupManager::getSingleton().getWorldResourceGroupName());
mRawData = MemoryDataStreamPtr(OGRE_NEW MemoryDataStream(mSource, stream));
// Validate size
size_t numBytes = imgSize * imgSize * mRawBpp;
if (mRawData->size() != numBytes)
{
shutdown();
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"RAW size (" + StringConverter::toString(mRawData->size()) +
") does not agree with configuration settings.",
"HeightmapTerrainPageSource::loadHeightmap");
}
}
else
{
mImage.load(mSource, ResourceGroupManager::getSingleton().getWorldResourceGroupName());
// Must be square (dimensions checked later)
if ( mImage.getWidth() != mImage.getHeight())
{
shutdown();
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Heightmap must be square",
"HeightmapTerrainPageSource::loadHeightmap");
}
imgSize = mImage.getWidth();
}
//check to make sure it's the expected size
if ( imgSize != mPageSize)
{
shutdown();
String err = "Error: Invalid heightmap size : " +
StringConverter::toString( imgSize ) +
". Should be " + StringConverter::toString(mPageSize);
OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS, err,
"HeightmapTerrainPageSource::loadHeightmap" );
}
}
