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 = Utility.GetPaintHeightMaterial();
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)TerrainBuiltinPaintMaterialPasses.PaintHoles);
TerrainPaintUtility.EndPaintHoles(paintContext, "Terrain Paint - Paint Holes");
RTUtils.Release(brushMask);
}
}
return(true);
}
public void Release(PaintContext paintContext)
{
if (ReferenceEquals(paintContext, m_HeightmapContext))
{
if (m_WriteToHeightmap)
{
TerrainPaintUtility.EndPaintHeightmap(m_HeightmapContext, $"{m_Name} - Heightmap");
}
else
{
TerrainPaintUtility.ReleaseContextResources(m_HeightmapContext);
}
m_HeightmapContext = null;
}
else if (ReferenceEquals(paintContext, m_NormalmapContext))
{
TerrainPaintUtility.ReleaseContextResources(m_NormalmapContext);
m_NormalmapContext = null;
}
else if (ReferenceEquals(paintContext, m_TextureContext))
{
if (m_WriteToTexture)
{
TerrainPaintUtility.EndPaintTexture(m_TextureContext, $"{m_Name} - Texture");
}
else
{
TerrainPaintUtility.ReleaseContextResources(m_TextureContext);
}
m_TextureContext = null;
}
#if UNITY_2019_3_OR_NEWER
else if (ReferenceEquals(paintContext, m_HolesContext))
{
if (m_WriteToHoles)
{
TerrainPaintUtility.EndPaintHoles(m_HolesContext, "Terrain Paint - Paint Holes");
}
else
{
TerrainPaintUtility.ReleaseContextResources(m_HolesContext);
}
m_HolesContext = null;
}
#endif
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHoles(terrain, brushXform.GetBrushXYBounds());
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
float brushStrength = Event.current.shift ? editContext.brushStrength : -editContext.brushStrength;
Vector4 brushParams = new Vector4(brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, (int)TerrainPaintUtility.BuiltinPaintMaterialPasses.PaintHoles);
TerrainPaintUtility.EndPaintHoles(paintContext, "Terrain Paint - Paint Holes");
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);
}