public unsafe bool writeToFile(string filename)
{
if (File.Exists(filename))
{
File.Delete(filename);
}
FileStream s = File.Open(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite);
BinaryWriter f = new BinaryWriter(s);
BinaryReader r = new BinaryReader(s);
//open reading from our temp file..
mTempChunkFile.Position = 0;
BinaryReader tbr = new BinaryReader(mTempChunkFile);
//WRITE OUR HEADER
mHeader = new ECFHeader();
mHeader.mHeaderMagic = cECFHeaderMagic;
mHeader.mHeaderSize = (uint)sizeof(ECFHeader); //THIS IS JUST THE SIZE OF THIS HEADER
f.Write(ExportTo360.StructToByteArray(mHeader));
/////////////////////////////////////////
//WRITE OUR CHUNK HEADERS (Dummies!)
BECFChunkHeader[] headers = new BECFChunkHeader[mChunks.Count];
ushort padVal = 0;
Int32 padVal32 = 0;
BECFChunkHeader ch = new BECFChunkHeader();
for (int i = 0; i < mChunks.Count; i++)
{
headers[i].mID = mChunks[i].mID;
headers[i].mOfs = (int)f.BaseStream.Position;
headers[i].mSize = (int)mChunks[i].mLength;
headers[i].mAdler32 = (int)mChunks[i].mHeaderAdler32;//THIS IS THE ADLER FOR THE ACTUAL CHUNK DATA WE REPRESENT (Post endiean converted!)
headers[i].mFlags = 0;
headers[i].mAlignmentLog2 = 2;
headers[i].mPad0 = (short)padVal;
//headers[i].endianSwap();//not yet....
f.Write(ExportTo360.StructToByteArray(headers[i]));
}
////////////////////////////////////////////////
//WRITE OUR CHUNK BLOCKS
for (int i = 0; i < mChunks.Count; i++)
{
//CLM [03.13.07] ECF Changes
//we need to ensure each chunk is aligned to the boundry defined by ch.mAlignmentLog2
//so check to see if our position pointer is a multiple of 4 (2^2)
//if it's not, write the number of bytes required to MAKE it that multiple.
long pos = f.BaseStream.Position;
long modPos = pos & 3;
if (modPos != 0)
{
long numBytesToWrite = 4 - modPos;
byte[] b = new byte[numBytesToWrite];
f.Write(b);
}
long streampos = f.BaseStream.Length;
f.Write(tbr.ReadBytes((int)mChunks[i].mLength));
//fill in our header data
headers[i].mOfs = (int)streampos;
//seek back to our header and update our position pointer
//f.Seek(sizeof(ECFHeader) + (sizeof(BECFChunkHeader) * i) + sizeof(Int64), SeekOrigin.Begin);
//f.Write(Xbox_EndianSwap.endSwapI32((int)streampos));
//f.Seek(0, SeekOrigin.End);
}
//REWRITE OUR HEADER WITH THE PROPER DATA
//write our actual file length back to the header
mHeader.mFileSize = (uint)f.BaseStream.Length; // totalheaderSize;
mHeader.mNumChunks = (ushort)mChunks.Count;
mHeader.mFlags = 0; // mFlags;
mHeader.mID = cXTD_ECFFileID;
mHeader.mChunkExtraDataSize = 0;
mHeader.endianSwap();
//CLM we have to calculate the adler of the endianswapped data, then endian swap ourselves
mHeader.mHeaderAdler32 = calcAdler32(ExportTo360.StructToByteArray(mHeader),
(uint)(sizeof(Int32) * cECFAdler32DWORDsToSkip),
(uint)(sizeof(ECFHeader) - sizeof(Int32) * cECFAdler32DWORDsToSkip));
mHeader.mHeaderAdler32 = (uint)Xbox_EndianSwap.endSwapI32((int)mHeader.mHeaderAdler32);
f.Seek(0, SeekOrigin.Begin);
f.Write(ExportTo360.StructToByteArray(mHeader));
// f.Seek(0, SeekOrigin.End);
/////////////////////////////////////////
//WRITE OUR CHUNK HEADERS (Real!)
for (int i = 0; i < mChunks.Count; i++)
{
headers[i].endianSwap();
f.Write(ExportTo360.StructToByteArray(headers[i]));
}
headers = null;
f.Close();
f = null;
s.Close();
s = null;
tbr.Close();
tbr = null;
clear();
return(true);
}
public bool export_XTD(string filename, ExportSettings expSettings, ref ExportResults results)
{
DateTime start = DateTime.Now;
//write the header for the entire XTD file
XTDVisualHeader header = new XTDVisualHeader();
header.version = (int)eFileVersions.cXTDVersion;
header.numXVerts = TerrainGlobals.getTerrain().getNumXVerts();
header.numXChunks = (int)(TerrainGlobals.getTerrain().getNumXVerts() / BTerrainQuadNode.cMaxWidth);
header.tileScale = TerrainGlobals.getTerrain().getTileScale();
BBoundingBox simRepBB = SimGlobals.getSimMain().getBBoxForDecalObjects();
Vector3 visRepMin = TerrainGlobals.getTerrain().getQuadNodeRoot().getDesc().m_min - new Vector3(0, header.tileScale, 0);
Vector3 visRepMax = TerrainGlobals.getTerrain().getQuadNodeRoot().getDesc().m_max + new Vector3(0, header.tileScale, 0);
if (!CoreGlobals.mbLoadTerrainVisRep)
{
visRepMin = simRepBB.min;
visRepMax = simRepBB.max;
}
header.worldMin = visRepMin;
header.worldMax = visRepMax;
header.endianSwap();
//write our header first.
ECF.ECFChunkHolder chunkHolder = new ECF.ECFChunkHolder();
chunkHolder.mDataMemStream = new MemoryStream();
BinaryWriter binWriter = new BinaryWriter(chunkHolder.mDataMemStream);
binWriter.Write(ExportTo360.StructToByteArray(header));
ExportTo360.mECF.addChunk((int)eXTD_ChunkID.cXTD_XTDHeader, chunkHolder, (int)chunkHolder.mDataMemStream.Length);
binWriter.Close();
binWriter = null;
chunkHolder.Close();
chunkHolder = null;
header.endianSwap();
generateGridChunks(ref header);
writeAtlasToMemory(ref results);
writeAOData(ref results);
writeAlpha(ref results);
writeTessData(expSettings.RefineTerrain, expSettings.RefineEpsilon, expSettings.RefineMinorityBias, ref results);
writeLightData(ref expSettings, ref results);
bool exportOK = ExportTo360.safeECFFileWrite(filename, ".XTD");
TimeSpan ts = DateTime.Now - start;
results.totalTime = ts.TotalMinutes;
return(exportOK);
}
