private void compactLayers(int bottomLayerIndex, int topLayerIndex)
{
int sze = (int)(BTerrainTexturing.getAlphaTextureWidth() * BTerrainTexturing.getAlphaTextureHeight());
//subtract from middle layers first
BTerrainTexturingLayer topLayer = giveLayer(topLayerIndex);
for (int i = bottomLayerIndex + 1; i < topLayerIndex; i++)
{
BTerrainTexturingLayer middleLayer = giveLayer(i);
// if (middleLayer.mLayerType != BTerrainTexturingLayer.eLayerType.cLayer_Splat)
// continue;
for (int x = 0; x < sze; x++)
{
middleLayer.mAlphaLayer[x] = (byte)(BMathLib.Clamp(middleLayer.mAlphaLayer[x] - topLayer.mAlphaLayer[x], 0, 255));
}
}
//now add it to the bottom layer
BTerrainTexturingLayer bottomLayer = giveLayer(bottomLayerIndex);
for (int x = 0; x < sze; x++)
{
bottomLayer.mAlphaLayer[x] = (byte)(BMathLib.Clamp(bottomLayer.mAlphaLayer[x] + topLayer.mAlphaLayer[x], 0, 255));
}
//remove top layer
removeLayer(topLayerIndex);
}
public void append(BTerrainLayerContainer target)
{
//let's just take the values here and add them to ourselves..
for (int i = 0; i < target.getNumLayers(); i++)
{
BTerrainTexturingLayer lyr = new BTerrainTexturingLayer();
target.mLayers[i].copyTo(lyr);
mLayers.Add(lyr);
}
}
public void copyTo(BTerrainTexturingLayer target)
{
target.mLayerType = mLayerType;
target.mActiveTextureIndex = mActiveTextureIndex;
if (target.mAlphaLayer == null)
{
target.mAlphaLayer = new Byte[BTerrainTexturing.getAlphaTextureWidth() * BTerrainTexturing.getAlphaTextureHeight()];
}
mAlphaLayer.CopyTo(target.mAlphaLayer, 0);
}
public void removeRedundantLayers()
{
for (int i = 0; i < getNumLayers(); i++)
{
BTerrainTexturingLayer topLayer = giveLayer(i);
if (topLayer.mLayerType != BTerrainTexturingLayer.eLayerType.cLayer_Splat)
{
continue;
}
//find another layer with my same ID;
int idToFind = topLayer.mActiveTextureIndex;
for (int q = i + 1; q < getNumLayers(); q++)
{
if (giveLayer(q).mActiveTextureIndex == idToFind && giveLayer(q).mLayerType == BTerrainTexturingLayer.eLayerType.cLayer_Splat)
{
compactLayers(i, q);
}
}
}
}
unsafe static void valToLayerColumn(BTerrainLayerContainer layers, BTerrainTexturingLayer tLayer, int dIP, byte val, int layerIndex)
{
if (val == 0)
{
return;
}
if (TerrainGlobals.getEditor().mEraseTextureInstead)
{
//if i'm erasing, ignore layers above me and just get rid of my values..
tLayer.mAlphaLayer[dIP] = (byte)(BMathLib.Clamp(tLayer.mAlphaLayer[dIP] - val, 0, 255));
}
else
{
if (layerIndex + 1 >= layers.getNumLayers())
{
//no layers above me
tLayer.mAlphaLayer[dIP] = (byte)(BMathLib.Clamp(tLayer.mAlphaLayer[dIP] + val, 0, 255));
}
else
{
float maxByte = 0;
List <float> vList = new List <float>();
for (int k = layerIndex + 1; k < layers.getNumLayers(); k++)
{
if (layers.giveLayer(k).mLayerType == BTerrainTexturingLayer.eLayerType.cLayer_Splat &&
layers.giveLayer(k).mAlphaLayer[dIP] != byte.MinValue)
{
float v = layers.giveLayer(k).mAlphaLayer[dIP];
vList.Add(v);
if (v > maxByte)
{
maxByte = v;
}
}
}
if (vList.Count == 0)
{
tLayer.mAlphaLayer[dIP] = (byte)(BMathLib.Clamp(tLayer.mAlphaLayer[dIP] + val, 0, 255));
return;
}
if (tLayer.mAlphaLayer[dIP] < maxByte)
{
tLayer.mAlphaLayer[dIP] = (byte)maxByte;
}
//normalize the contribs for everything above me
floatN vec = new floatN((uint)(vList.Count));
vec.set(vList);
vec = floatN.Normalize(vec);
byte hVal = (byte)(val);
uint T = 0;
int remainder = 0;
for (int k = layerIndex + 1; k < layers.getNumLayers(); k++)
{
if (layers.giveLayer(k).mLayerType == BTerrainTexturingLayer.eLayerType.cLayer_Splat &&
layers.giveLayer(k).mAlphaLayer[dIP] != byte.MinValue)
{
float amt = vec[T++];
int kQ = layers.giveLayer(k).mAlphaLayer[dIP];
int Del = (int)(((hVal * amt) + remainder));
int R = kQ - Del;
if (R < 0)
{
remainder = Del - kQ;
layers.giveLayer(k).mAlphaLayer[dIP] = 0;
}
else
{
layers.giveLayer(k).mAlphaLayer[dIP] = (byte)BMathLib.Clamp(R, 0, 255);
remainder = 0;
}
}
}
tLayer.mAlphaLayer[dIP] = (byte)(BMathLib.Clamp(tLayer.mAlphaLayer[dIP] + remainder + val, 0, 255));
}
}
}
unsafe static public bool setMaskAlphaToLayer(BTerrainQuadNode node, UInt32 *mskImg, uint mskImgWidth, uint mskImgHeight, float alphaScalar,
int terrainGridX, int terrainGridZ, char index)
{
bool changed = false;
uint dstImgWidth = BTerrainTexturing.getAlphaTextureWidth();
uint dstImgHeight = BTerrainTexturing.getAlphaTextureWidth();
float vertsToPixelsRatio = BTerrainTexturing.getAlphaTextureWidth() / (float)BTerrainQuadNode.getMaxNodeWidth();
int minxvert = node.getDesc().mMinXVert;
int minzvert = node.getDesc().mMinZVert;
int maxxvert = node.getDesc().mMaxXVert;
int maxzvert = node.getDesc().mMaxZVert;
BTerrainLayerContainer layers = node.mLayerContainer;
int layerIndex = layers.giveLayerIndex(index, BTerrainTexturingLayer.eLayerType.cLayer_Splat);
if (TerrainGlobals.getEditor().mEraseTextureInstead&& layerIndex == 0)
{
return(false);
}
// layers.removeRedundantLayers();//CLM is this still needed?!??!
if (layerIndex == -1)
{
if (TerrainGlobals.getEditor().mEraseTextureInstead) //we're erasing, and the texture doesn't exist..
{
return(false);
}
//i don't exist yet.
newSplatLayerEverywhere(index);
layerIndex = layers.giveLayerIndex(index, BTerrainTexturingLayer.eLayerType.cLayer_Splat);
BTerrainTexturingLayer tLayer = layers.giveLayer(layerIndex);
for (int x = 0; x < BTerrainTexturing.getAlphaTextureWidth(); x++)
{
for (int z = 0; z < BTerrainTexturing.getAlphaTextureWidth(); z++)
{
float curWeight = TerrainGlobals.getTerrain().getSoftSelectionWeight(terrainGridX, terrainGridZ);
if (!BMathLib.compare(curWeight, 0.0f))
{
int cX = (int)((x * vertsToPixelsRatio) + minxvert);
int cZ = (int)((z * vertsToPixelsRatio) + minzvert);
curWeight = BMathLib.Clamp(curWeight, 0, 1);
int dIP = x + ((int)BTerrainTexturing.getAlphaTextureHeight()) * z;
byte alphaMapVal = giveBrushAlphaValue(mskImg, mskImgWidth, mskImgHeight, minxvert, minzvert, maxxvert, maxzvert, cX, cZ, terrainGridX, terrainGridZ);
byte val = (byte)(alphaMapVal * alphaScalar * curWeight);
tLayer.mAlphaLayer[dIP] = val;
}
}
}
changed = true;
}
else
{
BTerrainTexturingLayer tLayer = layers.giveLayer(layerIndex);
//this layer already exists.
//If a pixel exists above me, subtract me from it, rather than adding to me.
for (int x = 0; x < BTerrainTexturing.getAlphaTextureWidth(); x++)
{
for (int z = 0; z < BTerrainTexturing.getAlphaTextureWidth(); z++)
{
//find the closest vert
int cX = (int)((x * vertsToPixelsRatio) + minxvert);
int cZ = (int)((z * vertsToPixelsRatio) + minzvert);
int dIP = x + ((int)BTerrainTexturing.getAlphaTextureHeight()) * z;
float curWeight = TerrainGlobals.getTerrain().getSoftSelectionWeight(terrainGridX, terrainGridZ);
if (!BMathLib.compare(curWeight, 0.0f))
{
changed = true;
curWeight = BMathLib.Clamp(curWeight, 0, 1);
byte alphaMapVal = giveBrushAlphaValue(mskImg, mskImgWidth, mskImgHeight, minxvert, minzvert, maxxvert, maxzvert, cX, cZ, terrainGridX, terrainGridZ);
byte val = (byte)(alphaMapVal * alphaScalar * curWeight);
valToLayerColumn(layers, tLayer, dIP, val, layerIndex);
}
}
}
}
layers.removeBlankLayers();
return(changed);
}
//----------------------------------------------
unsafe static public bool setIndexToMaskedArea(BTerrainQuadNode node, int minxvert, int minzvert, int maxxvert, int maxzvert, char index)
{
bool changed = false;
uint dstImgWidth = BTerrainTexturing.getAlphaTextureWidth();
uint dstImgHeight = BTerrainTexturing.getAlphaTextureWidth();
float vertsToPixelsRatio = BTerrainTexturing.getAlphaTextureWidth() / (float)BTerrainQuadNode.getMaxNodeWidth();
BTerrainLayerContainer layers = node.mLayerContainer;
int layerIndex = layers.giveLayerIndex(index, BTerrainTexturingLayer.eLayerType.cLayer_Splat);
if (TerrainGlobals.getEditor().mEraseTextureInstead&& layerIndex == 0)
{
return(false);
}
//layers.removeRedundantLayers();//CLM is this still needed?!??!
if (layerIndex == -1)
{
if (TerrainGlobals.getEditor().mEraseTextureInstead) //we're erasing, and the texture doesn't exist..
{
return(false);
}
//i don't exist yet.
newSplatLayerEverywhere(index);
layerIndex = layers.giveLayerIndex(index, BTerrainTexturingLayer.eLayerType.cLayer_Splat);
BTerrainTexturingLayer tLayer = layers.giveLayer(layerIndex);
for (int x = 0; x < BTerrainTexturing.getAlphaTextureWidth(); x++)
{
for (int z = 0; z < BTerrainTexturing.getAlphaTextureWidth(); z++)
{
//find the closest vert
int cX = (int)((x * vertsToPixelsRatio) + minxvert);
int cZ = (int)((z * vertsToPixelsRatio) + minzvert);
int vertIndex = (int)(cX * TerrainGlobals.getTerrain().getNumZVerts() + cZ);
float curWeight = 1.0f;
if (Masking.isPointSelected(vertIndex, ref curWeight))
{
curWeight = BMathLib.Clamp(curWeight, 0, 1);
int dIP = x + ((int)BTerrainTexturing.getAlphaTextureHeight()) * z;
byte val = (byte)(curWeight * byte.MaxValue);
tLayer.mAlphaLayer[dIP] = val;
}
}
}
changed = true;
}
else
{
BTerrainTexturingLayer tLayer = layers.giveLayer(layerIndex);
//this layer already exists.
//If a pixel exists above me, subtract me from it, rather than adding to me.
for (int x = 0; x < BTerrainTexturing.getAlphaTextureWidth(); x++)
{
for (int z = 0; z < BTerrainTexturing.getAlphaTextureWidth(); z++)
{
//find the closest vert
int cX = (int)((x * vertsToPixelsRatio) + minxvert);
int cZ = (int)((z * vertsToPixelsRatio) + minzvert);
int vertIndex = (int)(cX * TerrainGlobals.getTerrain().getNumZVerts() + cZ);
float curWeight = 1.0f;
if (Masking.isPointSelected(vertIndex, ref curWeight))
{
changed = true;
int dIP = x + ((int)BTerrainTexturing.getAlphaTextureHeight()) * z;
curWeight = BMathLib.Clamp(curWeight, 0, 1);
byte val = (byte)(curWeight * byte.MaxValue);
valToLayerColumn(layers, tLayer, dIP, val, layerIndex);
}
}
}
}
layers.removeBlankLayers();
return(changed);
}
void fillCreateLayer(byte[] inputImg, int activeTexIndex, BTerrainTexturingLayer.eLayerType type, int minXTile, int minZTile, byte[] tempLargerImge, byte[] tempBorderedImg)
{
int width = (int)BTerrainTexturing.getAlphaTextureWidth();
int height = (int)BTerrainTexturing.getAlphaTextureHeight();
int lw = width + 2;
int lh = height + 2;
//Create our texture first, border it, then resize it.
//fill the origional texture into the new texture
for (int q = 0; q < (width); q++)
{
for (int j = 0; j < (height); j++)
{
tempLargerImge[(q + 1) + lw * (j + 1)] = inputImg[q + (width) * j];
}
}
int numXNodes = (int)(TerrainGlobals.getTerrain().getNumXVerts() / BTerrainQuadNode.cMaxWidth);
int rootXNode = (int)(minXTile / BTerrainQuadNode.cMaxWidth);
int rootZNode = (int)(minZTile / BTerrainQuadNode.cMaxHeight);
BTerrainQuadNode rootNode = TerrainGlobals.getTerrain().getLeafNode(rootXNode, rootZNode);//TerrainGlobals.getTerrain().getQuadNodeRoot().getLeafNodeContainingTile(minXTile, minZTile);
BTerrainQuadNode node = null;
int layerIndex = 0;
BTerrainTexturingLayer lyr = null;
#region SIDES
//grab neighbor alpha values, paste them into my edges.
//LEFT SIDE FILL
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode - 1, rootZNode);// rootNode.getNeighborNode(-1, 0);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the RIGHT pixels
for (int i = 0; i < height; i++)
{
int srcIndex = (width - 1) + width * i;
int destIndex = 0 + (lw * (i + 1));
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//extend the LEFT pixels
for (int i = 0; i < height; i++)
{
int srcIndex = 0 + width * i;
int destIndex = 0 + (lw * (i + 1));
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//RIGHT SIDE FILL
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode + 1, rootZNode);// rootNode.getNeighborNode(1, 0);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the LEFT pixels
for (int i = 0; i < height; i++)
{
int srcIndex = 0 + width * i;
int destIndex = (lw - 1) + (lw * (i + 1));
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
else
{
//extend the RIGHT pixels
for (int i = 0; i < height; i++)
{
int srcIndex = (width - 1) + width * i;
int destIndex = (lw - 1) + (lw * (i + 1));
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//TOP SIDE FILL
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode, rootZNode + 1);// rootNode.getNeighborNode(0, 1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the BOTTOM pixels
for (int i = 0; i < width; i++)
{
int srcIndex = i + width * 0;
int destIndex = (i + 1) + (lw * (lh - 1));
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//extend the TOP pixels
for (int i = 0; i < width; i++)
{
int srcIndex = i + width * (height - 1);
int destIndex = (i + 1) + (lw * (lh - 1));
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//BOTTOM SIDE FILL
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode, rootZNode - 1);// rootNode.getNeighborNode(0, -1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the TOP pixels
for (int i = 0; i < width; i++)
{
int srcIndex = i + width * (height - 1);
int destIndex = (i + 1) + (lw * 0);
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//extend the BOTTOM pixels
for (int i = 0; i < width; i++)
{
int srcIndex = i + width * 0;
int destIndex = (i + 1) + (0);
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
#endregion
#region CORNERS
//TOP LEFT CORNER
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode - 1, rootZNode + 1);//rootNode.getNeighborNode(-1, 1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the BOTTOM RIGHT pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = (width - 1) + width * 0;
int destIndex = 0 + (lw * (lh - 1));
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//grab the tpo+1, left+1 pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = 1 + width * (height - 2);
int destIndex = 0 + (lw * (lh - 1));
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//TOP RIGHT CORNER
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode + 1, rootZNode + 1);//rootNode.getNeighborNode(1, 1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the BOTTOM LEFT pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = 0;// +width * (height - 1);
int destIndex = (lw - 1) + (lw * (lh - 1));
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//grab the TOP+1 RIGHT+1 pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = (width - 2) + width * (height - 2);
int destIndex = (lw - 1) + (lw * (lh - 1));
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//BOTTOM LEFT CORNER
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode - 1, rootZNode - 1);//rootNode.getNeighborNode(-1, -1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the TOP RIGHT pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = (width - 1) + width * (height - 1);
int destIndex = 0 + (lw * 0);
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//grab the BOTTOM+1 LEFT+1 pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = 1 + width * 1;
int destIndex = 0 + (lw * 0);
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
//BOTTOM RIGHT CORNER
node = TerrainGlobals.getTerrain().getLeafNode(rootXNode + 1, rootZNode - 1);//rootNode.getNeighborNode(1, -1);
if ((node != null) &&
((layerIndex = node.mLayerContainer.giveLayerIndex(activeTexIndex, type)) != -1))
{
{
lyr = node.mLayerContainer.giveLayer(layerIndex);
//grab the TOP LEFT pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = (0) + width * (height - 1);
int destIndex = (lw - 1) + (lw * 0);
tempLargerImge[destIndex] = lyr.mAlphaLayer[srcIndex];
}
}
}
else
{
//grab the BOTTOM+1 RIGHT+1 pixel
//for (int i = 0; i < width; i++)
{
int srcIndex = (width - 2) + width * 1;
int destIndex = (lw - 1) + (lw * 0);
tempLargerImge[destIndex] = inputImg[srcIndex];
}
}
#endregion
ImageManipulation.resizeGreyScaleImg(tempLargerImge, tempBorderedImg, width + 2, height + 2, width, height, ImageManipulation.eFilterType.cFilter_Linear);
}