void calculateXTDMemory()
{
ECFReader ecfR = new ECFReader();
string XTDName = Path.ChangeExtension(gameDirectory + @"\scenario\" + scnName, ".XTD");
if (!ecfR.openForRead(XTDName))
{
return;
}
for (uint i = 0; i < ecfR.getNumChunks(); i++)
{
ECF.BECFChunkHeader chunkHeader = ecfR.getChunkHeader(i);
eXTD_ChunkID id = (eXTD_ChunkID)chunkHeader.mID;
switch (id)
{
case eXTD_ChunkID.cXTD_XTDHeader:
break;
case eXTD_ChunkID.cXTD_AOChunk:
mMemEst.setOrAddMemoryElement("Terrain AO", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTD_ChunkID.cXTD_AtlasChunk:
mMemEst.setOrAddMemoryElement("Terrain Verts & Normals", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTD_ChunkID.cXTD_TessChunk:
mMemEst.setOrAddMemoryElement("Terrain Tessellation", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTD_ChunkID.cXTD_LightingChunk:
mMemEst.setOrAddMemoryElement("Terrain Lighting", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTD_ChunkID.cXTD_AlphaChunk:
mMemEst.setOrAddMemoryElement("Terrain Alpha", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
}
}
ecfR.close();
ecfR = null;
}
public void buildAOFiles(string inputFilename, int numSections)
{
float [] AOVals = null;
for (int i = 0; i < numSections; i++)
{
//work\scenario\development\coltTest\coltTest.AO0, .AO1, .AO2...., .AON
string outFileName = Path.ChangeExtension(inputFilename, ".AO" + i);
FileStream sr = File.Open(outFileName, FileMode.Open, FileAccess.Read);
BinaryReader fr = new BinaryReader(sr);
int majik = fr.ReadInt32();
if (majik != cMajik)
{
AOVals = null;
sr.Close();
sr = null;
fr.Close();
fr = null;
return;
}
int numSectionsT = fr.ReadInt32();
Debug.Assert(numSectionsT == numSections);
int mySecetion = fr.ReadInt32();
int numSamples = fr.ReadInt32();
int startSampleCount = fr.ReadInt32();
int endSampleCount = fr.ReadInt32();
int width = fr.ReadInt32();
int height = fr.ReadInt32();
if (AOVals == null)
{
AOVals = new float[width * height];
}
for (int x = 0; x < width * height; x++)
{
AOVals[x] += fr.ReadSingle();
Debug.Assert(AOVals[x] > 1);
}
sr.Close();
sr = null;
fr.Close();
fr = null;
}
//now that we have our AO data read from file and accumulated, open our XTD and write over the previous AO Values.
//first we have to get the file pointer offset from reading the file...
int AOOffset = 0;
int AOHeaderAdlerOffset = 0;
ECFReader ecfR = new ECFReader();
string XTDName = Path.ChangeExtension(inputFilename, ".XTD");
if (!ecfR.openForRead(XTDName))
{
return;
}
int numXVerts = 0;
for (uint i = 0; i < ecfR.getNumChunks(); i++)
{
ECF.BECFChunkHeader chunkHeader = ecfR.getChunkHeader(i);
eXTD_ChunkID id = (eXTD_ChunkID)chunkHeader.mID;
switch (id)
{
case eXTD_ChunkID.cXTD_XTDHeader:
int version = Xbox_EndianSwap.endSwapI32(ecfR.readInt32());
numXVerts = Xbox_EndianSwap.endSwapI32(ecfR.readInt32());
break;
case eXTD_ChunkID.cXTD_AOChunk:
AOHeaderAdlerOffset = (int)(i * ECF.BECFChunkHeader.giveSize() + ECF.ECFHeader.giveSize());
AOHeaderAdlerOffset += sizeof(Int64) * 2;
AOOffset = chunkHeader.mOfs;
break;
}
}
ecfR.close();
ecfR = null;
//now that we have our offset into the file, open it for write
//generate our data
byte[] data = XTDExporter.packAOToDXT5A(AOVals, numXVerts);
FileStream s = File.Open(XTDName, FileMode.Open, FileAccess.ReadWrite);
BinaryWriter f = new BinaryWriter(s);
//reset the ADLER32 for this chunk..
f.Seek(AOHeaderAdlerOffset, SeekOrigin.Begin);
uint adler32 = (uint)Xbox_EndianSwap.endSwapI32((int)ECF.calcAdler32(data, 0, (uint)data.Length));
f.Write(adler32);
f.Seek(AOOffset, SeekOrigin.Begin);
for (int i = 0; i < data.Length; i++)
{
f.Write(data[i]);
}
data = null;
f.Close();
f = null;
s.Close();
s = null;
//DONE!
}
