private void markOverrideTessellations(ErrorMetricRefine refiner)
{
JaggedContainer <byte> v = TerrainGlobals.getEditor().getJaggedTesselation();
int width = TerrainGlobals.getTerrain().getNumXVerts();
long id;
byte maskValue;
v.ResetIterator();
while (v.MoveNext(out id, out maskValue))
{
if (maskValue == BTerrainEditor.cTesselationEmptyVal)
{
continue;
}
int x = (int)(id / width);
int z = (int)(id - x * width);
if (maskValue == (int)BTerrainEditor.eTessOverrideVal.cTess_Max)
{
refiner.setMarkedPt(x, z, true);
}
else if (maskValue == (int)BTerrainEditor.eTessOverrideVal.cTess_Min)
{
refiner.setMarkedPt(x, z, false);
}
}
}
private byte giveMaxTesselation(ref ErrorMetricRefine refiner, int xOff, int zOff, int nodeWidth, float minortyBias)
{
int PatchWidth = 17;
int numP = 0;
int numF = 0;
refiner.giveStatsInArea(xOff, zOff, PatchWidth, PatchWidth, out numP, out numF);
float rat = (float)numP / (float)numF;
//CLM THIS MUST MATCH THE 360
//float[] tessLevels ={ 15, 7, 3, 1 };
byte maxTess = 3;
if (numP == 0)
{
maxTess = 3;
}
else if (numF == 0)
{
maxTess = 0;
}
else
{
if (rat <= 0.25f)
{
maxTess = 3; //==1
}
else if (rat <= 0.5f)
{
maxTess = 2; //==3
}
else if (rat <= 0.75f)
{
maxTess = 1; //==7
}
else //if (rat <= 1.0f)
{
maxTess = 0; //==15
}
}
return(maxTess);
}
private void writeTessData(bool refineTerrain, float eLOD, float minorityBias, ref ExportResults results)
{
ECF.ECFChunkHolder chunkHolder = new ECF.ECFChunkHolder();
chunkHolder.mDataMemStream = new MemoryStream();
BinaryWriter binWriter = new BinaryWriter(chunkHolder.mDataMemStream);
//write the 'header'
int nodeWidth = 16;
int numXPatches = (int)(TerrainGlobals.getTerrain().getNumXVerts() / (float)nodeWidth);
int numZPatches = (int)(TerrainGlobals.getTerrain().getNumXVerts() / (float)nodeWidth);
int numXChunks = (int)(TerrainGlobals.getTerrain().getNumXVerts() / (float)BTerrainQuadNode.getMaxNodeDepth());
int numPatches = numXPatches * numZPatches;
binWriter.Write(Xbox_EndianSwap.endSwapI32(numXPatches));
binWriter.Write(Xbox_EndianSwap.endSwapI32(numZPatches));
//do this for each patch
byte[] tDat = new byte[numPatches];
Vector4[] bbDat = new Vector4[numPatches * 2];
//CLM - instead of writing floating point values (and taking up more memory)
//write indexes into our discrete step array
if (refineTerrain)
{
ErrorMetricRefine refiner = null;
refiner = new ErrorMetricRefine();
refiner.init(TerrainGlobals.getTerrain().getNumXVerts(), TerrainGlobals.getTerrain().getNumZVerts());
refiner.refine(eLOD);//, nodeWidth + 1);
markOverrideTessellations(refiner);
for (int x = 0; x < numXPatches; x++)
{
for (int z = 0; z < numZPatches; z++)
{
int xMinVert = x * nodeWidth;
int zMinVert = z * nodeWidth;
tDat[x + z * numXPatches] = giveMaxTesselation(ref refiner, xMinVert, zMinVert, nodeWidth, minorityBias);
}
}
refiner.destroy();
refiner = null;
smoothTessNeighbors(tDat, numXPatches, numZPatches);
}
else
{
for (int i = 0; i < numPatches; i++)
{
tDat[i] = 0;
}
}
//write to the disk
for (int i = 0; i < tDat.Length; i++)
{
binWriter.Write(tDat[i]);
}
//generate and write our bounding boxes
for (int x = 0; x < numXPatches; x++)
{
for (int z = 0; z < numZPatches; z++)
{
Vector4 min = new Vector4(9000, 9000, 9000, 0);
Vector4 max = new Vector4(-9000, -9000, -9000, 0);
for (int i = 0; i < nodeWidth + 1; i++)
{
for (int j = 0; j < nodeWidth + 1; j++)
{
int xVal = x * nodeWidth + i;
int zVal = z * nodeWidth + j;
if (xVal >= TerrainGlobals.getTerrain().getNumXVerts() || zVal >= TerrainGlobals.getTerrain().getNumXVerts())
{
continue;
}
long kIndex = xVal + TerrainGlobals.getTerrain().getNumXVerts() * zVal;
Vector3 v = TerrainGlobals.getTerrain().getPos(xVal, zVal);
if (v.X < min.X)
{
min.X = v.X;
}
if (v.Y < min.Y)
{
min.Y = v.Y;
}
if (v.Z < min.Z)
{
min.Z = v.Z;
}
if (v.X > max.X)
{
max.X = v.X;
}
if (v.Y > max.Y)
{
max.Y = v.Y;
}
if (v.Z > max.Z)
{
max.Z = v.Z;
}
}
}
//NOTE: THE GAME EXPECTS THIS DATA IN NON-SWIZZLED FORM
int q = x + z * numZPatches;
q *= 2;
bbDat[q] = min;
bbDat[q + 1] = max;
}
}
for (int i = 0; i < bbDat.Length; i++)
{
binWriter.Write(Xbox_EndianSwap.endSwapF32(bbDat[i].X));
binWriter.Write(Xbox_EndianSwap.endSwapF32(bbDat[i].Y));
binWriter.Write(Xbox_EndianSwap.endSwapF32(bbDat[i].Z));
binWriter.Write(Xbox_EndianSwap.endSwapF32(bbDat[i].W));
}
ExportTo360.mECF.addChunk((int)eXTD_ChunkID.cXTD_TessChunk, chunkHolder, binWriter.BaseStream.Length);
binWriter.Close();
binWriter = null;
chunkHolder.Close();
chunkHolder = null;
results.terrainTessValuesMemorySize = tDat.Length + (bbDat.Length * sizeof(float) * 4);
tDat = null;
bbDat = null;
}