public void endianSwap()
{
mHeaderMagic = (uint)Xbox_EndianSwap.endSwapI32((int)mHeaderMagic);
mHeaderSize = (uint)Xbox_EndianSwap.endSwapI32((int)mHeaderSize);
mHeaderAdler32 = (uint)Xbox_EndianSwap.endSwapI32((int)mHeaderAdler32);
mFileSize = (uint)Xbox_EndianSwap.endSwapI32((int)mFileSize);// totalheaderSize;
mNumChunks = (ushort)Xbox_EndianSwap.endSwapI16((ushort)mNumChunks);
mFlags = (ushort)Xbox_EndianSwap.endSwapI16((ushort)mFlags);
mID = (uint)Xbox_EndianSwap.endSwapI32((int)mID);
mChunkExtraDataSize = 0;
}
public void endianSwap()
{
mID = Xbox_EndianSwap.endSwapI64(mID);
mOfs = Xbox_EndianSwap.endSwapI32(mOfs);
mSize = Xbox_EndianSwap.endSwapI32(mSize);
mAdler32 = Xbox_EndianSwap.endSwapI32(mAdler32);
//public byte mFlags;
//public byte mAlignmentLog2;
//public Int16 mPad0;
}
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(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(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(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(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(StructToByteArray(headers[i]));
}
headers = null;
f.Close();
f = null;
s.Close();
s = null;
tbr.Close();
tbr = null;
clear();
return(true);
}
void calculateXTTMemory()
{
ECFReader ecfR = new ECFReader();
string XTDName = Path.ChangeExtension(gameDirectory + @"\scenario\" + scnName, ".XTT");
if (!ecfR.openForRead(XTDName))
{
return;
}
for (uint i = 0; i < ecfR.getNumChunks(); i++)
{
ECF.BECFChunkHeader chunkHeader = ecfR.getChunkHeader(i);
eXTT_ChunkID id = (eXTT_ChunkID)chunkHeader.mID;
switch (id)
{
case eXTT_ChunkID.cXTT_XTTHeader:
//CACHES
//add in our 360 cache data
int cacheMemCount = 0;
const int numCachePages = 20;
const int cachePageSize = 512;
const int numMips = 2;
bool albedoCache = true;
bool normalCache = true;
bool specCache = false;
bool selfCache = false;
bool envCache = false;
//find our textures in the list
int version = ecfR.readInt32();
int numActiveTextures = Xbox_EndianSwap.endSwapI32(ecfR.readInt32());
int numActiveDecals = Xbox_EndianSwap.endSwapI32(ecfR.readInt32());
int numActiveDecalInstances = ecfR.readInt32();
System.Text.Encoding enc = System.Text.Encoding.ASCII;
int totalArtistTextureMem = 0;
for (int k = 0; k < numActiveTextures; k++)
{
byte[] fName = ecfR.readBytes(256);
string textureName = enc.GetString(fName);
textureName = textureName.TrimEnd('\0');
textureName = textureName.TrimStart('\0');
totalArtistTextureMem += giveDependentTextureMemoryFootprint(textureName, ref specCache, ref selfCache, ref envCache);
int b = ecfR.readInt32();
b = ecfR.readInt32();
b = ecfR.readInt32();
}
for (int k = 0; k < numActiveDecals; k++)
{
byte[] fName = ecfR.readBytes(256);
string textureName = enc.GetString(fName);
textureName = textureName.TrimEnd('\0');
textureName = textureName.TrimStart('\0');
totalArtistTextureMem += giveDependentTextureMemoryFootprint(textureName, ref specCache, ref selfCache, ref envCache);
}
mMemEst.setOrAddMemoryElement("Terrain Artist Texture", totalArtistTextureMem, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
if (albedoCache)
{
cacheMemCount += giveTextureCacheMemoryRequirement(numCachePages, cachePageSize, numMips, 0); //DXT1 * numCachePages (mip0 & mip1)
}
if (normalCache)
{
cacheMemCount += giveTextureCacheMemoryRequirement(numCachePages, cachePageSize, numMips, 1);
}
; //DXN
if (specCache)
{
cacheMemCount += giveTextureCacheMemoryRequirement(numCachePages, cachePageSize, numMips, 0); //DXT1
}
if (envCache)
{
cacheMemCount += giveTextureCacheMemoryRequirement(numCachePages, cachePageSize, numMips, 0); //DXT1
}
if (selfCache)
{
cacheMemCount += giveTextureCacheMemoryRequirement(numCachePages, cachePageSize, numMips, 1); //DXT5
}
mMemEst.setOrAddMemoryElement("Terrain Texture Cache", cacheMemCount, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
//cache calculation
break;
case eXTT_ChunkID.cXTT_AtlasChunkAlbedo:
mMemEst.setOrAddMemoryElement("Terrain Skirt Texture", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTT_ChunkID.cXTT_RoadsChunk:
mMemEst.setOrAddMemoryElement("Terrain Roads", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTT_ChunkID.cXTT_FoliageQNChunk:
mMemEst.setOrAddMemoryElement("Terrain Foliage", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
case eXTT_ChunkID.cXTT_TerrainAtlasLinkChunk:
mMemEst.setOrAddMemoryElement("Terrain Blends", chunkHeader.mSize, ScnMemoryEstimate.eMainCatagory.eCat_Terrain);
break;
}
}
ecfR.close();
ecfR = null;
}
