public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (commonUI.allowPaint)
{
Texture brushTexture = editContext.brushTexture;
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "PaintHoles", brushTexture))
{
Vector2 halfTexelOffset = new Vector2(0.5f / terrain.terrainData.holesResolution, 0.5f / terrain.terrainData.holesResolution);
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv - halfTexelOffset, commonUI.brushSize, commonUI.brushRotation);
PaintContext paintContext = brushRender.AquireHolesTexture(true, brushXform.GetBrushXYBounds());
PaintContext paintContextHeight = brushRender.AcquireHeightmap(false, brushXform.GetBrushXYBounds());
// filter stack
Material mat = GetPaintHolesMaterial();
var brushMask = RTUtils.GetTempHandle(paintContextHeight.sourceRenderTexture.width, paintContextHeight.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContextHeight.sourceRenderTexture, brushMask, mat);
// hold control key to erase
float brushStrength = Event.current.control ? commonUI.brushStrength : -commonUI.brushStrength;
Vector4 brushParams = new Vector4(brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, (int)TerrainPaintUtility.BuiltinPaintMaterialPasses.PaintHoles);
TerrainPaintUtility.EndPaintHoles(paintContext, "Terrain Paint - Paint Holes");
RTUtils.Release(brushMask);
}
}
return(true);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (commonUI.allowPaint)
{
Texture brushTexture = editContext.brushTexture;
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "PaintHoles", brushTexture))
{
Vector2 halfTexelOffset = new Vector2(0.5f / terrain.terrainData.holesResolution, 0.5f / terrain.terrainData.holesResolution);
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv - halfTexelOffset, commonUI.brushSize, commonUI.brushRotation);
PaintContext paintContext = brushRender.AquireHolesTexture(true, brushXform.GetBrushXYBounds());
PaintContext paintContextHeight = brushRender.AcquireHeightmap(false, brushXform.GetBrushXYBounds());
// filter stack
Vector3 brushPos = new Vector3(commonUI.raycastHitUnderCursor.point.x, 0, commonUI.raycastHitUnderCursor.point.z);
FilterContext fc = new FilterContext(terrain, brushPos, commonUI.brushSize, commonUI.brushRotation);
fc.renderTextureCollection.GatherRenderTextures(paintContextHeight.sourceRenderTexture.width, paintContextHeight.sourceRenderTexture.height);
RenderTexture filterMaskRT = commonUI.GetBrushMask(fc, paintContextHeight.sourceRenderTexture);
Material mat = GetPaintHolesMaterial();
// hold control key to erase
float brushStrength = Event.current.control ? commonUI.brushStrength : -commonUI.brushStrength;
Vector4 brushParams = new Vector4(brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetTexture("_FilterTex", filterMaskRT);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, (int)TerrainPaintUtility.BuiltinPaintMaterialPasses.PaintHoles);
TerrainPaintUtility.EndPaintHoles(paintContext, "Terrain Paint - Paint Holes");
}
}
return(true);
}
