Initial version with smooth blending!

source/VolumeSerializer.cpp

@@ -0,0 +1,84 @@
+#include "VolumeSerializer.h"
+#include "Volume.h"
+
+#include "VolumeIterator.h"
+
+#include "OgreLogManager.h"
+#include "OgreStringConverter.h"
+
+namespace Ogre
+{
+	VolumeSerializer::VolumeSerializer ()
+	{
+
+	}
+
+	VolumeSerializer::~VolumeSerializer ()
+	{
+
+	}
+
+	/*void VolumeSerializer::exportVolume (const Volume *pText, const Ogre::String &fileName)
+	{
+		std::ofstream outFile;
+		outFile.open (fileName.c_str(), std::ios::out);
+		outFile << pText->getString ();
+		outFile.close ();
+	}*/
+
+	void VolumeSerializer::importVolume (Ogre::DataStreamPtr &stream, Volume *pDest)
+	{
+		//pDest->setString (stream->getAsString ());
+		//Volume vol;
+
+		//Read volume dimensions
+		uchar volumeWidth = 0;
+		uchar volumeHeight = 0;
+		uchar volumeDepth = 0;
+		stream->read(reinterpret_cast<void*>(&volumeWidth), sizeof(volumeWidth));
+		stream->read(reinterpret_cast<void*>(&volumeHeight), sizeof(volumeHeight));
+		stream->read(reinterpret_cast<void*>(&volumeDepth), sizeof(volumeDepth));
+		/*if(stream->fail())
+		{
+			LogManager::getSingleton().logMessage("Failed to read dimentions");
+			return false;
+		} */
+
+		//Read data
+		VolumeIterator volIter(*pDest);
+		for(uint z = 0; z < OGRE_VOLUME_SIDE_LENGTH; ++z)
+		{
+			for(uint y = 0; y < OGRE_VOLUME_SIDE_LENGTH; ++y)
+			{
+				for(uint x = 0; x < OGRE_VOLUME_SIDE_LENGTH; ++x)
+				{
+					uchar value = 0;
+					stream->read(reinterpret_cast<void*>(&value), sizeof(value)); //FIXME - check for error here
+					/*if(value != 0)
+					{
+						LogManager::getSingleton().logMessage("Value is " + StringConverter::toString(int(value)));
+					}*/
+					volIter.setVoxelAt(x,y,z,value);
+					/*if(z < 24)
+					{
+						if(x % 32 < 16)
+							volIter.setVoxelAt(x,y,z,4);
+						else
+							volIter.setVoxelAt(x,y,z,5);
+					}
+					else
+						volIter.setVoxelAt(x,y,z,0);*/
+				}
+			}
+
+			//Periodically see if we can tidy the memory to avoid excessive usage during loading.
+			if(z%OGRE_BLOCK_SIDE_LENGTH == OGRE_BLOCK_SIDE_LENGTH-1)
+			{
+				pDest->tidy(); //FIXME - we don't actually have to tidy the whole volume here - just the part we loaded since the last call to tidy.
+			}
+		}
+
+		/*vol.load(stream->getName());*/
+		//pDest->setVolume(vol);
+	}
+}