public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
Rect rect = brushXform.GetBrushXYBounds();
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, rect);
Material mat = GetPaintMaterial();
PaintContext maskContext = null;
if (m_TextureMask || m_TextureStencil)
{
TerrainLayer maskTerrainLayer = terrain.terrainData.terrainLayers[m_TextureMask ? m_maskIndex : m_stencilIndex];
maskContext = TerrainPaintUtility.BeginPaintTexture(terrain, rect, maskTerrainLayer);
if (maskContext == null)
{
return(false);
}
mat.SetTexture("_MaskTex", maskContext.sourceRenderTexture);
}
mat.SetInt("_MaskStencil", m_TextureMask ? 1 : (m_TextureStencil ? 2 : 0));
ApplyBrushInternal(paintContext, editContext.brushStrength, editContext.brushTexture, brushXform, mat);
if (maskContext != null)
{
TerrainPaintUtility.ReleaseContextResources(maskContext);
}
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Masked Terrace Erosion");
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
if (Event.current.type == EventType.MouseDrag)
{
return(true);
}
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
Rect brushRect = TerrainPaintUtility.CalculateBrushRectInTerrainUnits(terrain, editContext.uv, editContext.brushSize);
TerrainPaintUtility.PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushRect);
Vector4 brushParams = new Vector4(editContext.brushStrength * 0.01f, 0.0f, m_StampHeight, 0.0f);
if (Event.current.shift)
{
brushParams.x = -brushParams.x;
}
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, (int)TerrainPaintUtility.BuiltinPaintMaterialPasses.StampHeight);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Stamp");
return(true);
}
private bool Smudge(Terrain terrain, IOnPaint editContext, Vector2 currUV, Vector2 prevUV)
{
// the brush size is relative to the main brush size
float brushSize = editContext.brushSize * ridgeErodeBrushSize / 100f;
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, currUV, brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
Vector2 smudgeDir = editContext.uv - prevUV;
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Material mat = GetMaterial();
float brushStrength = ridgeErodeBrushStrength / 100f; // editContext.brushStrength;
Vector4 brushParams = new Vector4(brushStrength, erosionStrength, mixStrength, 0);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Ridge Erode");
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
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 virtual void OnPaint(Terrain terrain, IOnPaint editContext)
{
// Manage brush capture history for playback in tests
if (isRecording)
{
OnPaintOccurrence.history.Add(new OnPaintOccurrence(editContext.brushTexture, brushSize,
brushStrength, brushRotation,
editContext.uv.x, editContext.uv.y));
}
m_Controllers.ForEach((controller) => controller.OnPaint(terrain, editContext));
if (m_BrushSmoothController != null)
{
Vector2 uv = editContext.uv;
if (ScatterBrushStamp(ref terrain, ref uv))
{
m_BrushSmoothController.kernelSize = 0.03f * m_BrushSizeController.brushSize;
m_BrushSmoothController.OnPaint(terrain, editContext, brushSize, brushRotation, brushStrength, uv);
}
}
/// Ensure that we re-randomize where the next scatter operation will place the brush,
/// that way we can render the preview in a representative manner.
m_BrushScatterController?.RequestRandomisation();
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
Texture brushTexture = editContext.brushTexture;
commonUI.OnPaint(terrain, editContext);
if (!commonUI.allowPaint)
{
return(true);
}
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "ContrastTool", brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
Material mat = GetPaintMaterial();
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(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height);
RenderTexture filterMaskRT = commonUI.GetBrushMask(fc, paintContext.sourceRenderTexture);
mat.SetTexture("_FilterTex", filterMaskRT);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
ApplyBrushInternal(brushRender, paintContext, commonUI.brushStrength, editContext.brushTexture, brushXform);
}
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
if (!m_isPainting || m_SampleLocation.terrain == null)
{
return(true);
}
// grab brush transforms for the sample location (where we are cloning from)
// and target location (where we are cloning to)
Vector2 sampleUV = TerrainUVFromBrushLocation(m_SampleLocation.terrain, m_SampleLocation.pos);
BrushTransform sampleBrushXform = TerrainPaintUtility.CalculateBrushTransform(m_SampleLocation.terrain, sampleUV, editContext.brushSize, 1);
BrushTransform targetBrushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 1);
// set material props that will be used for both heightmap and alphamap painting
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(editContext.brushStrength, m_StampingOffsetFromClone * 0.5f, terrain.terrainData.size.y, 0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
// apply texture modifications to terrain
if (m_PaintAlphamap)
{
PaintAlphamap(m_SampleLocation.terrain, terrain, sampleBrushXform, targetBrushXform, mat);
}
if (m_PaintHeightmap)
{
PaintHeightmap(m_SampleLocation.terrain, terrain, sampleBrushXform, targetBrushXform, editContext, mat);
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
BrushTransform targetBrushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 1);
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(editContext.brushStrength, 0, 0, 0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
Rect targetRect = targetBrushXform.GetBrushXYBounds();
int numSampleTerrainLayers = terrain.terrainData.terrainLayers.Length;
for (int i = 0; i < numSampleTerrainLayers; ++i)
{
TerrainLayer layer = terrain.terrainData.terrainLayers[i];
if (layer == null)
{
continue;
}
int layerIndex = TerrainPaintUtility.FindTerrainLayerIndex(terrain, layer);
Texture2D layerTexture = TerrainPaintUtility.GetTerrainAlphaMapChecked(terrain, layerIndex >> 2);
PaintContext targetContext = PaintContext.CreateFromBounds(terrain, targetRect, layerTexture.width, layerTexture.height);
targetContext.CreateRenderTargets(RenderTextureFormat.R8);
targetContext.GatherAlphamap(layer, true);
Graphics.Blit(targetContext.sourceRenderTexture, targetContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintTexture(targetContext, "Terrain Paint - Smooth Splatmaps");
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
float finalPinchAmount = m_PinchAmount * 0.005f; //scale to a reasonable value and negate so default mode is clockwise
if (Event.current.shift)
{
finalPinchAmount *= -1.0f;
}
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(editContext.brushStrength, 0.0f, finalPinchAmount, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Pinch Height");
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (!commonUI.allowPaint)
{
return(true);
}
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "SharpenPeak", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
Material mat = GetPaintMaterial();
// apply brush
Vector4 brushParams = new Vector4(
commonUI.brushStrength,
m_ErosionStrength,
m_MixStrength,
0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
}
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
Vector2 uv = editContext.uv;
if (Event.current.shift)
{
height = terrain.terrainData.GetInterpolatedHeight(uv.x, uv.y) / terrain.terrainData.size.y;
return(true);
}
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Material mat = GetPaintMaterial();
int currentMode = (int)mode;
if (Event.current.control)
{
currentMode *= -1;
}
float modeValue = Mathf.Clamp01(currentMode);
Vector4 brushParams = new Vector4(editContext.brushStrength, 0.5f * height, modeValue, 0);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Directional Flatten Height");
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (!commonUI.allowPaint)
{
return(true);
}
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "HydroErosion", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
m_Eroder.inputTextures["Height"] = paintContext.sourceRenderTexture;
Vector2 texelSize = new Vector2(terrain.terrainData.size.x / terrain.terrainData.heightmapResolution,
terrain.terrainData.size.z / terrain.terrainData.heightmapResolution);
m_Eroder.ErodeHeightmap(terrain.terrainData.size, brushXform.GetBrushXYBounds(), texelSize, Event.current.control);
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(commonUI.brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetTexture("_NewHeightTex", m_Eroder.outputTextures["Height"]);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
}
}
return(true);
}
public virtual void OnPaint(Terrain terrain, IOnPaint editContext)
{
filterContext.ReleaseRTHandles();
// Manage brush capture history for playback in tests
if (isRecording)
{
OnPaintOccurrence.history.Add(new OnPaintOccurrence(editContext.brushTexture, brushSize,
brushStrength, brushRotation,
editContext.uv.x, editContext.uv.y));
}
m_Controllers.ForEach((controller) => controller.OnPaint(terrain, editContext));
if (isSmoothing)
{
Vector2 uv = editContext.uv;
m_BrushSmoothController.kernelSize = (int)Mathf.Max(1, 0.1f * m_BrushSizeController.brushSize);
m_BrushSmoothController.OnPaint(terrain, editContext, brushSize, brushRotation, brushStrength, uv);
}
/// Ensure that we re-randomize where the next scatter operation will place the brush,
/// that way we can render the preview in a representative manner.
m_BrushScatterController?.RequestRandomisation();
TerrainToolsAnalytics.UpdateAnalytics(this, m_analyticsCallback);
filterContext.ReleaseRTHandles();
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
if (splatPaintRules == null)
{
return(false);
}
Material mat = GetPaintMaterial();
mat.SetTexture("_BrushTex", editContext.brushTexture);
// gathering heightmap
BrushTransform brushXformForGatheringHeightmap = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContextForGatheringHeightmap = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXformForGatheringHeightmap.GetBrushXYBounds(), 1);
if (paintContextForGatheringHeightmap == null)
{
return(false);
}
RenderTexture gatheredHeightmap = RenderTexture.GetTemporary(terrain.terrainData.heightmapTexture.descriptor);
Graphics.Blit(paintContextForGatheringHeightmap.sourceRenderTexture, gatheredHeightmap); //, TerrainPaintUtility.GetBlitMaterial(), 0);
TerrainPaintUtility.ReleaseContextResources(paintContextForGatheringHeightmap);
// painting alphamap
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintTexture(terrain, brushXform.GetBrushXYBounds(), m_SelectedTerrainLayer);
if (paintContext == null)
{
return(false);
}
float targetAlpha = 1.0f; // always 1.0 now -- no subtractive painting (we assume this in the ScatterAlphaMap)
Vector4 brushParams = new Vector4(editContext.brushStrength, targetAlpha, splatPaintRules.useHeightTransition ? 1f : 0f, splatPaintRules.useAngleTransition ? 1f : 0f);
Vector4 paintRulesParametersHeight = new Vector4(splatPaintRules.minHeightStart, splatPaintRules.minHeightEnd, splatPaintRules.maxHeightStart, splatPaintRules.maxHeightEnd);
Vector4 paintRulesParametersAngle = new Vector4(splatPaintRules.minAngleStart, splatPaintRules.minAngleEnd, splatPaintRules.maxAngleStart, splatPaintRules.maxAngleEnd);
Vector4 paintRulesInversionAndUsage = new Vector4(splatPaintRules.inverseHeightRule ? 1f : 0f, splatPaintRules.inverseAngleRule ? 1f : 0f, splatPaintRules.applyHeightRule ? 1f : 0f, splatPaintRules.applyAngleRule ? 1f : 0f);
mat.SetVector("_BrushParams", brushParams);
mat.SetVector("_TerrainSize", (Vector4)terrain.terrainData.size);
mat.SetVector("_PaintRulesParametersHeight", paintRulesParametersHeight);
mat.SetVector("_PaintRulesParametersAngle", paintRulesParametersAngle);
mat.SetVector("_PaintRulesInversionAndUsage", paintRulesInversionAndUsage);
mat.SetTexture("_Heightmap", gatheredHeightmap);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintTexture(paintContext, "Terrain Paint - Texture");
RenderTexture.ReleaseTemporary(gatheredHeightmap);
return(true);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
if (Event.current.type == EventType.MouseDown)
{
m_PrevBrushPos = editContext.uv;
return(false);
}
if (Event.current.type == EventType.MouseDrag && m_PreviousEvent == EventType.MouseDrag)
{
Rect brushRect = TerrainPaintUtility.CalculateBrushRectInTerrainUnits(terrain, editContext.uv, editContext.brushSize);
TerrainPaintUtility.PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushRect);
Vector2 smudgeDir = editContext.uv - m_PrevBrushPos;
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(editContext.brushStrength, smudgeDir.x, smudgeDir.y, 0);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Smudge Height");
m_PrevBrushPos = editContext.uv;
}
m_PreviousEvent = Event.current.type;
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
Init();
commonUI.OnPaint(terrain, editContext);
if (commonUI.allowPaint)
{
Vector2 uv = editContext.uv;
if (commonUI.ScatterBrushStamp(ref terrain, ref uv))
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, uv, commonUI.brushSize, commonUI.brushRotation);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds());
float brushStrength = Event.current.control ? -commonUI.brushStrength : commonUI.brushStrength;
Vector3 brushPosWS = WSPosFromTerrainUV(terrain, uv);
ApplyBrushInternal(paintContext, brushXform, brushPosWS, commonUI.brushRotation,
brushStrength, commonUI.brushSize, editContext.brushTexture);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Noise");
}
}
editContext.Repaint(RepaintFlags.UI);
return(true);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
Texture brushTexture = editContext.brushTexture;
commonUI.OnPaint(terrain, editContext);
if (!commonUI.allowPaint)
{
return(true);
}
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "ContrastTool", brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
Material mat = GetPaintMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
ApplyBrushInternal(brushRender, paintContext, commonUI.brushStrength, editContext.brushTexture, brushXform);
RTUtils.Release(brushMask);
}
}
return(false);
}
private void PaintSplatMap(Terrain terrain, IOnPaint editContext, RenderTexture sedimentRT)
{
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "ThermalErosion", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireTexture(true, brushXform.GetBrushXYBounds(), m_SelectedTerrainLayer);
if (paintContext == null)
{
return;
}
Material mat = GetSplatMaterial();
// apply brush
float splatStrength = Mathf.Lerp(-1000.0f, 1000.0f, 0.005f * (float)(m_MaterialPaintStrength + 100));
Vector4 brushParams = new Vector4(commonUI.brushStrength, splatStrength, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetTexture("_MaskTex", sedimentRT);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
}
}
}
private void AddHeight(Terrain terrain, IOnPaint editContext)
{
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "ThermalErosion", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
float brushStrength = Event.current.shift ? -m_Eroder.m_AddHeightAmt : m_Eroder.m_AddHeightAmt;
brushStrength *= (commonUI.brushStrength);
if (Event.current.control)
{
brushStrength = 0.0f;
}
Vector4 brushParams = new Vector4(0.0001f * 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.RaiseLowerHeight);
}
}
}
private bool Height(Terrain terrain, IOnPaint editContext, Vector2 currUV, Vector2 prevUV)
{
// the brush size is relative to the main brush size
float brushSize = editContext.brushSize * heightBrushSize / 100f;
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, currUV, brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds(), 1);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
float brushStrength = heightBrushStrength / 100f;
brushStrength = Event.current.shift ? -brushStrength : brushStrength;
brushStrength *= 0.001f; // magic number ...
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, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Raise or Lower Height");
return(true);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
Vector2 uv = editContext.uv;
if (Event.current.shift)
{
return(true);
}
//grab the starting position & height
if (Event.current.control)
{
TerrainData terrainData = terrain.terrainData;
float height = terrainData.GetInterpolatedHeight(uv.x, uv.y) / terrainData.size.y;
m_StartPoint = new Vector3(uv.x, uv.y, height);
m_StartTerrain = terrain;
return(true);
}
else if (!m_StartTerrain || (Event.current.type == EventType.MouseDrag))
{
return(true);
}
else
{
ApplyBrushInternal(terrain, uv, editContext.brushTexture, commonUI.brushSpacing);
return(false);
}
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (commonUI.allowPaint)
{
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "SlopeFlatten", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
Material mat = GetPaintMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
Vector4 brushParams = new Vector4(commonUI.brushStrength, 0.0f, commonUI.brushSize, 0);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
RTUtils.Release(brushMask);
}
}
}
return(false);
}
private void RemoveTrees(Terrain terrain, IOnPaint editContext, bool clearSelectedOnly)
{
PaintTreesDetailsContext ctx = PaintTreesDetailsContext.Create(terrain, editContext.uv);
for (int i = 0; i < ctx.terrains.Length; ++i)
{
Terrain ctxTerrain = ctx.terrains[i];
if (ctxTerrain != null)
{
Vector2 ctxUV = ctx.uvs[i];
float radius = 0.5f * brushSize / ctxTerrain.terrainData.size.x;
int treePrototype = kInvalidTree;
if (clearSelectedOnly && selectedTree != kInvalidTree)
{
treePrototype = PaintTreesUtils.FindTreePrototype(ctxTerrain, m_TargetTerrain, selectedTree);
}
if (!clearSelectedOnly || treePrototype != kInvalidTree)
{
TerrainPaintUtilityEditor.UpdateTerrainDataUndo(ctxTerrain.terrainData, "Terrain - Remove Trees");
ctxTerrain.RemoveTrees(ctxUV, radius, treePrototype);
}
}
}
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
Init();
if (activeMesh == null || Event.current.type != EventType.MouseDown || Event.current.shift == true || m_editTransform)
{
return(false);
}
brushUI.OnPaint(terrain, editContext);
if (brushUI.allowPaint)
{
Texture brushTexture = editContext.brushTexture;
BrushTransform brushTransform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, brushUI.brushSize, brushUI.brushRotation);
PaintContext ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushTransform.GetBrushXYBounds());
ApplyBrushInternal(terrain, ctx, brushTransform);
TerrainPaintUtility.EndPaintHeightmap(ctx, "Mesh Stamp - Stamp Mesh");
}
return(true);
}
public bool OnPaint(Terrain terrain, IOnPaint editContext, float brushSize, float brushRotation, float brushStrength, Vector2 uv)
{
if (Event.current != null && Event.current.shift)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, uv, brushSize, brushRotation);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds());
Material mat = GetMaterial(); //TerrainPaintUtility.GetBuiltinPaintMaterial();
float m_direction = 0.0f; //TODO: UI for this
Vector4 brushParams = new Vector4(brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
Vector4 smoothWeights = new Vector4(
Mathf.Clamp01(1.0f - Mathf.Abs(m_direction)), // centered
Mathf.Clamp01(-m_direction), // min
Mathf.Clamp01(m_direction), // max
kernelSize); // blur kernel size
mat.SetVector("_SmoothWeights", smoothWeights);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
RenderTexture temp = RenderTexture.GetTemporary(paintContext.destinationRenderTexture.descriptor);
Graphics.Blit(paintContext.sourceRenderTexture, temp, mat, 0);
Graphics.Blit(temp, paintContext.destinationRenderTexture, mat, 1);
RenderTexture.ReleaseTemporary(temp);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Smooth Height");
return(true);
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (commonUI.allowPaint)
{
if (Event.current.control)
{
Terrain currentTerrain = commonUI.terrainUnderCursor;
m_TargetHeight = currentTerrain.terrainData.GetInterpolatedHeight(editContext.uv.x, editContext.uv.y) + currentTerrain.GetPosition().y;
editContext.Repaint();
SaveSetting();
return(true);
}
else
{
Texture brushTexture = editContext.brushTexture;
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "SetHeightTool", brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushTransform))
{
Rect brushBounds = brushTransform.GetBrushXYBounds();
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushBounds);
ApplyBrushInternal(paintContext, brushRender, commonUI.brushStrength, brushTexture, brushTransform, terrain);
}
}
}
}
return(true);
}
private bool PaintTexture(Terrain terrain, IOnPaint editContext, Vector2 currUV)
{
// the brush size is relative to the main brush size
float brushSize = editContext.brushSize * paintBrushSize / 100f;
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, currUV, brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintTexture(terrain, brushXform.GetBrushXYBounds(), m_SelectedInnerTerrainLayer);
if (paintContext == null)
{
return(false);
}
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
float targetAlpha = 1.0f; // always 1.0 now -- no subtractive painting (we assume this in the ScatterAlphaMap)
float brushStrength = paintBrushStrength / 100f; // editContext.brushStrength
// apply brush
Vector4 brushParams = new Vector4(brushStrength, targetAlpha, 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.PaintTexture);
TerrainPaintUtility.EndPaintTexture(paintContext, "Terrain Paint - Texture");
return(true);
}
private bool Smooth(Terrain terrain, IOnPaint editContext, Vector2 currUV, BrushSettings brushSettings)
{
// the brush size is relative to the main brush size
float brushSize = brushSettings.brushSize * this.smoothBrushSize / 100f;
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, brushSize, brushSettings.brushRotationDegrees);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds());
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
float brushStrength = smoothBrushStrength / 100f; // editContext.brushStrength;
// brushStrength = Event.current.shift ? -brushStrength : 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.SmoothHeights);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Smooth Height");
return(true);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, editContext.uv, editContext.brushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintTexture(terrain, brushXform.GetBrushXYBounds(), m_SelectedTerrainLayer);
if (paintContext == null)
{
return(false);
}
Material mat = TerrainPaintUtility.GetBuiltinPaintMaterial();
// apply brush
float targetAlpha = 1.0f; // always 1.0 now -- no subtractive painting (we assume this in the ScatterAlphaMap)
Vector4 brushParams = new Vector4(editContext.brushStrength, targetAlpha, 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.PaintTexture);
TerrainPaintUtility.EndPaintTexture(paintContext, "Terrain Paint - Texture");
return(true);
}
private bool Bridge(Terrain terrain, IOnPaint editContext, Vector2 currUV, float pct, Vector3 stroke, Vector3 startPoint)
{
float heightOffset = heightProfile.Evaluate(pct) / terrain.terrainData.size.y;
float strengthScale = strengthProfile.Evaluate(pct);
float widthScale = widthProfile.Evaluate(pct);
float finalHeight = (startPoint + pct * stroke).z + heightOffset;
int finalBrushSize = (int)(widthScale * (float)editContext.brushSize);
BrushTransform brushXform = TerrainPaintUtility.CalculateBrushTransform(terrain, currUV, finalBrushSize, 0.0f);
PaintContext paintContext = TerrainPaintUtility.BeginPaintHeightmap(terrain, brushXform.GetBrushXYBounds());
Material mat = GetMaterial();
Vector4 brushParams = new Vector4();
mat.SetTexture("_BrushTex", editContext.brushTexture);
brushParams.x = editContext.brushStrength * strengthScale;
brushParams.y = 0.5f * finalHeight;
mat.SetVector("_BrushParams", brushParams);
TerrainPaintUtility.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
Graphics.Blit(paintContext.sourceRenderTexture, paintContext.destinationRenderTexture, mat, 0);
TerrainPaintUtility.EndPaintHeightmap(paintContext, "Terrain Paint - Bridge");
return(true);
}
