private int writeBuildable()
{
ECF.ECFChunkHolder chunkHolder = new ECF.ECFChunkHolder();
chunkHolder.mDataMemStream = new MemoryStream();
BinaryWriter binWriter = new BinaryWriter(chunkHolder.mDataMemStream);
BTerrainSimRep simRep = TerrainGlobals.getEditor().getSimRep();
// Write buildable
bool[] landBuildable = simRep.getDataTiles().getSimLandBuildable();
int numTiles = simRep.getNumXTiles();
byte tru = 0xFF;
byte fal = 0x00;
for (int x = 0; x < numTiles; x++)
{
for (int z = 0; z < numTiles; z++)
{
int index = (x * numTiles + z);
if (landBuildable[index])
{
binWriter.Write(tru);
}
else
{
binWriter.Write(fal);
}
}
}
ExportTo360.mECF.addChunk((int)eXSD_ChunkID.cXSD_Buildable, chunkHolder, binWriter.BaseStream.Length);
binWriter.Close();
binWriter = null;
chunkHolder.Close();
chunkHolder = null;
return(landBuildable.Length * sizeof(byte));
}
void heightFieldAlphaToChunk(ref ExportResults results)
{
//i think for visual reasons, the resolution of this alpha data needs to match
//the density of the terrain alpha..
BTerrainSimRep simRep = TerrainGlobals.getEditor().getSimRep();
int width = TerrainGlobals.getTerrain().getNumXVerts();
int height = TerrainGlobals.getTerrain().getNumXVerts();
if (width < 256 || height < 256)
{
return; //don't write for small maps..
}
byte[] AlphaVals = TerrainGlobals.getEditor().getAlphaValues();
DXT3_1111 img = new DXT3_1111(width, height);
//walk through all the terrain alpha values,
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int index = x * width + y;
bool visible = AlphaVals[index] > 0;// if it's invisible, so are we.
//walk through the sim rep. If it's passable, we're visible.
float normalizedX = x / (float)width;
float normalizedZ = y / (float)height;
bool obstructsLand = simRep.getDataTiles().isLandObstructedComposite(normalizedX, normalizedZ);
visible |= !obstructsLand;
img.setValue(x, y, visible);
}
}
ECF.ECFChunkHolder chunkHolder = new ECF.ECFChunkHolder();
chunkHolder.mDataMemStream = new MemoryStream();
BinaryWriter binWriter = new BinaryWriter(chunkHolder.mDataMemStream);
int packedWidth = width >> 2;
binWriter.Write(Xbox_EndianSwap.endSwapI32(packedWidth));
binWriter.Write(Xbox_EndianSwap.endSwapI32(height));
int numBlocks = img.getNumBlocks();
//numXBlocks-1 + numXBlocks * numYBlocks
int texelMemSize = numBlocks * sizeof(Int64);// (((width >> 4) - 1) + (width >> 4) * ((height >> 2) - 1)) * sizeof(Int64);
binWriter.Write(Xbox_EndianSwap.endSwapI32(texelMemSize));
for (int i = 0; i < numBlocks; i++)
{
binWriter.Write(img.getBlock(i));
}
ExportTo360.mECF.addChunk((int)eXTH_ChunkID.cXTH_TerrainHeightfieldAlpha, chunkHolder, binWriter.BaseStream.Length);
binWriter.Close();
binWriter = null;
chunkHolder.Close();
chunkHolder = null;
results.terrainGPUHeighfieldMemory += texelMemSize;
img = null;
}
private int writeObstructions()
{
ECF.ECFChunkHolder chunkHolder = new ECF.ECFChunkHolder();
chunkHolder.mDataMemStream = new MemoryStream();
BinaryWriter binWriter = new BinaryWriter(chunkHolder.mDataMemStream);
BTerrainSimRep simRep = TerrainGlobals.getEditor().getSimRep();
// Write obstructions
bool[] landObstructions = simRep.getDataTiles().getSimLandObstructions();
int numTiles = simRep.getNumXTiles();
int obstructionArraySize = numTiles * numTiles;
byte[] obstructionsFlags = new byte[obstructionArraySize];
bool[] alreadyDone = new bool[numTiles * numTiles];
for (int i = 0; i < numTiles * numTiles; i++)
{
alreadyDone[i] = false;
}
for (int x = 0; x < numTiles; x++)
{
for (int z = 0; z < numTiles; z++)
{
int index = (x * numTiles + z);
bool obstructsLand = simRep.getDataTiles().isLandObstructedComposite(x, z);
bool obstructsFlood = simRep.getDataTiles().isFloodObstructed(x, z);
bool obstructsScarab = simRep.getDataTiles().isScarabObstructed(x, z);
obstructionsFlags[index] = 0;
if (obstructsLand && obstructsFlood && obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Land_Flood_Scarab;
}
else if (obstructsLand && obstructsFlood && !obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Land_Flood;
}
else if (obstructsLand && !obstructsFlood && obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Land_Scarab;
}
else if (obstructsLand && !obstructsFlood && !obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Land;
}
else if (!obstructsLand && obstructsFlood && obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Flood_Scarab;
}
else if (!obstructsLand && obstructsFlood && !obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Flood;
}
else if (!obstructsLand && !obstructsFlood && obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cObstrtuction_Scarab;
}
else if (!obstructsLand && !obstructsFlood && !obstructsScarab)
{
obstructionsFlags[index] = (byte)BTerrainSimRep.eObstructionType.cNoObstruction;
}
}
}
binWriter.Write(obstructionsFlags);
ExportTo360.mECF.addChunk((int)eXSD_ChunkID.cXSD_Obstructions, chunkHolder, binWriter.BaseStream.Length);
binWriter.Close();
binWriter = null;
chunkHolder.Close();
chunkHolder = null;
return(obstructionsFlags.Length);
}