static public void setBladeToGrid(int x, int z, string setName, int bladeIndex, bool erase, bool forceErase)
{
int terrainToFoliageGridMultiple = (int)(BTerrainQuadNode.cMaxWidth / FoliageManager.cNumUsedXBladesPerChunk);
if (x % terrainToFoliageGridMultiple != 0 || z % terrainToFoliageGridMultiple != 0)
{
return;
}
int setIndex = giveIndexOfSet(setName);
int idx = x + TerrainGlobals.getTerrain().getNumXVerts() * z;
int minQNX = (int)(x / BTerrainQuadNode.cMaxWidth);
int minQNZ = (int)(z / BTerrainQuadNode.cMaxHeight);
int numXChunks = (int)(TerrainGlobals.getTerrain().getNumXVerts() / BTerrainQuadNode.cMaxWidth);
int qnIndex = minQNX + numXChunks * minQNZ;
int idex = giveChunkWithParentIndex(qnIndex);
if (erase)
{
if (mVertData.ContainsValue(idx))
{
if (!forceErase)
{
FoliageVertData vRep = mVertData.GetValue(idx);
if (giveIndexOfSet(vRep.mFoliageSetName) != setIndex || vRep.mFoliageSetBladeIndex != bladeIndex)
{
return;
}
}
mVertData.SetValue(idx, new FoliageVertData()); //Default 'empty' for a jagged<T> value is the default constructor..
if (idex != -1)
{
mQNChunks[idex].destroyRenderVBs();
}
}
}
else
{
mVertData.SetValue(idx, new FoliageVertData(setName, bladeIndex));
if (idex == -1)//we need to add a new chunk
{
idex = mQNChunks.Count;
addNewChunk(qnIndex);
}
mQNChunks[idex].bladeAdded(mFoliageSets[setIndex].mFullFileName);
}
}
//-------------------------------------
public void createRenderVBs()
{
destroyRenderVBs();
int width = TerrainGlobals.getTerrain().getNumXVerts();
for (int setI = 0; setI < mSetsUsed.Count; setI++)
{
List <int> validIndexes = new List <int>();
List <int> validBladeIndexes = new List <int>();
for (int x = 0; x < BTerrainQuadNode.cMaxWidth; x++)
{
for (int z = 0; z < BTerrainQuadNode.cMaxWidth; z++)
{
int index = (x + mOwnerNodeDesc.mMinXVert) + width * (z + mOwnerNodeDesc.mMinZVert);
FoliageVertData fvd = FoliageManager.mVertData.GetValue(index);
if (fvd.compare(FoliageManager.cEmptyVertData))
{
continue;
}
if (FoliageManager.giveIndexOfSet(fvd.mFoliageSetName) == FoliageManager.giveIndexOfSet(mSetsUsed[setI]))
{
int localIndex = x + FoliageManager.cNumXBladesPerChunk * z;
validIndexes.Add(localIndex);
validBladeIndexes.Add(fvd.mFoliageSetBladeIndex);
}
}
}
if (validIndexes.Count == 0)
{
//remove this set from us
mSetsUsed.RemoveAt(setI);
setI--;
continue;
}
//now that we have our valid indexes
int numVertsPerBlade = 10;
int totalNumVerts = (validIndexes.Count * numVertsPerBlade);
//VERTEX BUFFERS
mSetVBs.Add(new VertexBuffer(typeof(VertexTypes.Pos), totalNumVerts, BRenderDevice.getDevice(), Usage.WriteOnly, VertexTypes.Pos.FVF_Flags, Pool.Default));
GraphicsStream gStream = mSetVBs[setI].Lock(0, 0, LockFlags.None);
unsafe
{
VertexTypes.Pos *verts = (VertexTypes.Pos *)gStream.InternalDataPointer;
mSetVertCount.Add(0);
//ADD OTHER STRIPS
for (int i = 0; i < validIndexes.Count; i++)
{
int vC = mSetVertCount[setI];
int startInd = validIndexes[i] * numVertsPerBlade;
//add 10 verts with: index (x*width+z), bladeIndex, 0, 0
for (int k = 0; k < numVertsPerBlade; k++)
{
verts[vC].x = startInd + k;
verts[vC].y = validBladeIndexes[i];
vC++;
}
mSetVertCount[setI] += numVertsPerBlade;
}
}
gStream.Close();
mSetVBs[setI].Unlock();
//INDEX BUFFERS (UGG WE SHOULD BE USING TRI-STRIPS!!!)
int numInds = (validIndexes.Count * ((numVertsPerBlade - 2) * 3));
mSetIBs.Add(new IndexBuffer(typeof(short), numInds, BRenderDevice.getDevice(), Usage.WriteOnly, Pool.Default));
gStream = mSetIBs[setI].Lock(0, 0, LockFlags.None);
unsafe
{
short *inds = (short *)gStream.InternalDataPointer;
mSetPolyCount.Add(0);
//add first strip
short startInd = (short)(0);
int vC = 0;
for (int i = 0; i < validIndexes.Count; i++)
{
startInd = (short)(i * (numVertsPerBlade));
short pC = (short)((numVertsPerBlade - 2) >> 1);
short sI = 0;
for (int k = 0; k < pC; k++)
{
inds[vC++] = (short)(startInd + sI + 0);
inds[vC++] = (short)(startInd + sI + 1);
inds[vC++] = (short)(startInd + sI + 2);
inds[vC++] = (short)(startInd + sI + 1);
inds[vC++] = (short)(startInd + sI + 2);
inds[vC++] = (short)(startInd + sI + 3);
sI += 2;
}
mSetPolyCount[setI] += (numVertsPerBlade - 2);
}
}
gStream.Close();
mSetIBs[setI].Unlock();
}
//COOL!
}
public bool compare(FoliageVertData a)
{
return(a.mFoliageSetName == mFoliageSetName && a.mFoliageSetBladeIndex == mFoliageSetBladeIndex);
}