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); }