private void CreateRTHandles(Vector2Int dim)
{
m_RTSize = dim;
var r = RTUtils.GetDescriptorRW(dim.x, dim.y, 0, RenderTextureFormat.RFloat);
var rg = RTUtils.GetDescriptorRW(dim.x, dim.y, 0, RenderTextureFormat.RGFloat);
var argb = RTUtils.GetDescriptorRW(dim.x, dim.y, 0, RenderTextureFormat.ARGBFloat);
for (int i = 0; i < 2; i++)
{
m_HeightmapRT[i] = RTUtils.GetNewHandle(r).WithName("HydroErosion_Height" + i);
m_WaterRT[i] = RTUtils.GetNewHandle(r).WithName("HydroErosion_Water" + i);
m_WaterVelRT[i] = RTUtils.GetNewHandle(rg).WithName("HydroErosion_WaterVel" + i);
m_FluxRT[i] = RTUtils.GetNewHandle(argb).WithName("HydroErosion_Flux" + i);
m_SedimentRT[i] = RTUtils.GetNewHandle(r).WithName("HydroErosion_Sediment" + i);
m_HeightmapRT[i].RT.Create();
m_WaterRT[i].RT.Create();
m_WaterVelRT[i].RT.Create();
m_FluxRT[i].RT.Create();
m_SedimentRT[i].RT.Create();
}
m_ErodedRT = RTUtils.GetNewHandle(r).WithName("HydroErosion_Eroded");
m_ErodedRT.RT.Create();
m_HardnessRT = RTUtils.GetNewHandle(r).WithName("HydroErosion_Hardness");
m_HardnessRT.RT.Create();
}
protected override void OnEval(FilterContext fc, RenderTexture source, RenderTexture dest)
{
var desc = dest.descriptor;
desc.enableRandomWrite = true;
var sourceHandle = RTUtils.GetTempHandle(desc);
var destHandle = RTUtils.GetTempHandle(desc);
using (sourceHandle.Scoped())
using (destHandle.Scoped())
{
Graphics.Blit(source, sourceHandle);
Graphics.Blit(dest, destHandle);
ComputeShader cs = GetComputeShader();
int kidx = cs.FindKernel("GradientMultiply");
Texture2D remapTex = GetRemapTexture();
cs.SetTexture(kidx, "In_BaseMaskTex", sourceHandle);
cs.SetTexture(kidx, "In_HeightTex", fc.rtHandleCollection[FilterContext.Keywords.Heightmap]);
cs.SetTexture(kidx, "OutputTex", destHandle);
cs.SetTexture(kidx, "RemapTex", remapTex);
cs.SetInt("RemapTexRes", remapTex.width);
cs.SetFloat("EffectStrength", m_FilterStrength);
cs.SetVector("TerrainDimensions", fc.vectorProperties.ContainsKey("_TerrainSize") ? fc.vectorProperties["_TerrainSize"] : Vector4.one);
cs.SetVector("TextureResolution", new Vector4(sourceHandle.RT.width, sourceHandle.RT.height, m_Epsilon, fc.floatProperties[FilterContext.Keywords.TerrainScale]));
cs.Dispatch(kidx, sourceHandle.RT.width, sourceHandle.RT.height, 1);
Graphics.Blit(destHandle, dest);
}
}
public void Add_Filter()
{
// setup
float addValue = 9000f;
var addFilter = FilterUtility.CreateInstance <AddFilter>();
addFilter.value = addValue;
var prevRT = RenderTexture.active;
var src = RTUtils.GetTempHandle(RTUtils.GetDescriptor(1, 1, 0, GraphicsFormat.R16G16B16A16_SFloat, 0, false));
var dest = RTUtils.GetTempHandle(RTUtils.GetDescriptor(1, 1, 0, GraphicsFormat.R16G16B16A16_SFloat, 0, false));
Graphics.Blit(Texture2D.blackTexture, src);
Graphics.Blit(Texture2D.blackTexture, dest);
// eval
addFilter.Eval(m_Context, src, dest);
var tex = new Texture2D(1, 1, TextureFormat.RGBAFloat, false, true);
RenderTexture.active = dest;
tex.ReadPixels(new Rect(0, 0, 1, 1), 0, 0, false);
var check = tex.GetPixel(0, 0).r;
// clean up
RenderTexture.active = prevRT;
UObject.DestroyImmediate(tex);
RTUtils.Release(src);
RTUtils.Release(dest);
UObject.DestroyImmediate(addFilter);
Assert.That(check, Is.EqualTo(addValue));
}
public void Values_Can_Be_Negative()
{
// setup
float addValue = -10;
var addFilter = FilterUtility.CreateInstance <AddFilter>();
addFilter.value = addValue;
m_Stack.Add(addFilter);
var prevRT = RenderTexture.active;
var dest = RTUtils.GetTempHandle(RTUtils.GetDescriptor(1, 1, 0, GraphicsFormat.R16G16B16A16_SFloat, 0, false));
Graphics.Blit(Texture2D.blackTexture, dest); // init to black
// eval
m_Stack.Eval(m_Context, null, dest); // source isn't actually used yet
var tex = new Texture2D(1, 1, TextureFormat.RGBAFloat, false, true);
RenderTexture.active = dest;
tex.ReadPixels(new Rect(0, 0, 1, 1), 0, 0, false);
var check = tex.GetPixel(0, 0).r - 1; // minus 1 because we start off with a white texture within FilterStack.Eval
// clean up
RenderTexture.active = prevRT;
UObject.DestroyImmediate(tex);
RTUtils.Release(dest);
Assert.That(check, Is.EqualTo(addValue));
}
public void Cleanup()
{
SceneView.duringSceneGui -= OnSceneGUI;
Selection.activeObject = null;
if (onPaintHistory != null)
{
onPaintHistory.Clear();
}
// delete test resources
commonUIInstance?.brushMaskFilterStack?.Clear(true);
PaintContext.ApplyDelayedActions(); // apply before destroying terrain and terrainData
if (terrainObj != null)
{
UnityEngine.Object.DestroyImmediate(terrainObj.terrainData);
UnityEngine.Object.DestroyImmediate(terrainObj.gameObject);
}
// check Texture memory and RTHandle count
// var currentTextureMemory = Texture.totalTextureMemory;
// Assert.True(m_PrevTextureMemory == currentTextureMemory, $"Texture memory leak. Was {m_PrevTextureMemory} but is now {currentTextureMemory}. Diff = {currentTextureMemory - m_PrevTextureMemory}");
var currentRTHandlesCount = RTUtils.GetHandleCount();
Assert.True(m_PrevRTHandlesCount == RTUtils.GetHandleCount(), $"RTHandle leak. Was {m_PrevRTHandlesCount} but is now {currentRTHandlesCount}. Diff = {currentRTHandlesCount - m_PrevRTHandlesCount}");
}
protected override void OnEval(FilterContext fc, RenderTexture source, RenderTexture dest)
{
var desc = dest.descriptor;
desc.enableRandomWrite = true;
var sourceHandle = RTUtils.GetTempHandle(desc);
var destHandle = RTUtils.GetTempHandle(desc);
using (sourceHandle.Scoped())
using (destHandle.Scoped())
{
Graphics.Blit(source, sourceHandle);
Graphics.Blit(dest, destHandle);
ComputeShader cs = GetComputeShader();
int kidx = cs.FindKernel("AspectRemap");
Texture2D remapTex = GetRemapTexture();
float rotRad = (fc.brushRotation - 90.0f) * Mathf.Deg2Rad;
cs.SetTexture(kidx, "In_BaseMaskTex", sourceHandle);
cs.SetTexture(kidx, "In_HeightTex", fc.rtHandleCollection[FilterContext.Keywords.Heightmap]);
cs.SetTexture(kidx, "OutputTex", destHandle);
cs.SetTexture(kidx, "RemapTex", remapTex);
cs.SetInt("RemapTexRes", remapTex.width);
cs.SetFloat("EffectStrength", m_EffectStrength);
cs.SetVector("TextureResolution", new Vector4(source.width, source.height, 0.0f, 0.0f));
cs.SetVector("AspectValues", new Vector4(Mathf.Cos(rotRad), Mathf.Sin(rotRad), m_Epsilon, 0.0f));
cs.Dispatch(kidx, source.width, source.height, 1);
Graphics.Blit(destHandle, dest);
}
}
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);
}
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 AppEventDel(eAppEvent ev, String Message)
{
if (InvokeRequired)
{
BeginInvoke(new MethodInvoker(delegate() { AppEventDel(ev, Message); }));
}
else
{
switch (ev)
{
case eAppEvent.eSlicedLoaded: // update the gui to view
if (UVDLPApp.Instance().m_slicefile != null)
{
int totallayers = UVDLPApp.Instance().m_slicefile.NumSlices;
SetNumLayers(totallayers);
}
break;
case eAppEvent.eObjectSelected:
// set the current sel plane object
if (UVDLPApp.Instance().SelectedObject != null)
{
RTUtils.UpdateObjectSelectionPlane(UVDLPApp.Instance().SelectedObject.m_center, m_camera.m_right, m_camera.m_up);
}
break;
}
}
}
protected override void OnEval(FilterContext fc, RenderTexture source, RenderTexture dest)
{
var desc = dest.descriptor;
desc.enableRandomWrite = true;
var sourceHandle = RTUtils.GetTempHandle(desc);
var destHandle = RTUtils.GetTempHandle(desc);
using (sourceHandle.Scoped())
using (destHandle.Scoped())
{
Graphics.Blit(source, sourceHandle);
Graphics.Blit(dest, destHandle);
ComputeShader cs = GetComputeShader();
int kidx = cs.FindKernel("HeightRemap");
Texture2D remapTex = GetRemapTexture();
cs.SetTexture(kidx, "In_BaseMaskTex", sourceHandle);
cs.SetTexture(kidx, "In_HeightTex", fc.rtHandleCollection[FilterContext.Keywords.Heightmap]);
cs.SetTexture(kidx, "OutputTex", destHandle);
cs.SetTexture(kidx, "RemapTex", remapTex);
cs.SetInt("RemapTexRes", remapTex.width);
cs.SetFloat("EffectStrength", m_ConcavityStrength);
cs.SetVector("HeightRange", new Vector4(m_Height.x, m_Height.y, m_HeightFeather, 0.0f));
cs.Dispatch(kidx, source.width, source.height, 1);
Graphics.Blit(destHandle, dest);
}
}
void Flatten(Terrain terrain)
{
Undo.RegisterCompleteObjectUndo(terrain.terrainData, "Set Height - Flatten Tile");
var ctx = TerrainPaintUtility.BeginPaintHeightmap(terrain, new Rect(0, 0, terrain.terrainData.size.x, terrain.terrainData.size.z), 1);
Material mat = GetPaintMaterial();
float terrainHeight = Mathf.Clamp01((m_TargetHeight - terrain.transform.position.y) / terrain.terrainData.size.y);
Vector4 brushParams = new Vector4(0, 0.5f * terrainHeight, 0.0f, 0.0f);
mat.SetVector("_BrushParams", brushParams);
var size = terrain.terrainData.size;
size.y = 0;
var brushMask = RTUtils.GetTempHandle(ctx.sourceRenderTexture.width, ctx.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
commonUI.GetBrushMask(terrain, ctx.sourceRenderTexture, brushMask, terrain.transform.position, Mathf.Min(size.x, size.z), 0f); // TODO(wyatt): need to handle seams
mat.SetTexture("_FilterTex", brushMask);
mat.SetTexture("_MainTex", ctx.sourceRenderTexture);
Graphics.Blit(ctx.sourceRenderTexture, ctx.destinationRenderTexture, mat, 1);
TerrainPaintUtility.EndPaintHeightmap(ctx, "Set Height - Flatten Tile");
RTUtils.Release(brushMask);
PaintContext.ApplyDelayedActions();
}
public void RTHandleRW_Has_RW_Flag_Set()
{
var handle = RTUtils.GetTempHandle(descriptorRW);
Assert.True(handle.RT.enableRandomWrite);
RTUtils.Release(handle);
}
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 RTHandleRW_Temporary_Is_Not_Null()
{
var handle = RTUtils.GetTempHandle(descriptorRW);
Assert.True(handle != null);
Assert.True(handle.RT != null);
RTUtils.Release(handle);
}
public void RTHandle_Release_New()
{
var handle = RTUtils.GetNewHandle(descriptor);
Assert.True(RTUtils.GetHandleCount() == m_PrevRTHandleCount + 1);
RTUtils.Release(handle);
Assert.True(RTUtils.GetHandleCount() == m_PrevRTHandleCount);
}
/// <summary>
/// Gather/Create all added RTHandles using the provided width, height, and depth value, if provided
/// <param name="width">The width of the RTHandles to gather</param>
/// <param name="height">The height of the RTHandles to gather</param>
/// <param name="depth">The optional depth of the RTHandles to gather</param>
/// <returns></returns>
/// </summary>
public void GatherRTHandles(int width, int height, int depth = 0)
{
foreach (int key in m_Hashes)
{
var desc = new RenderTextureDescriptor(width, height, m_Formats[key], depth);
m_Handles[key] = RTUtils.GetNewHandle(desc);
m_Handles[key].RT.Create();
}
}
public virtual void Teardown()
{
// check Texture memory and RTHandle count
// var currentTextureMemory = Texture.totalTextureMemory;
// Assert.True(m_PrevTextureMemory == currentTextureMemory, $"Texture memory leak. Was {m_PrevTextureMemory} but is now {currentTextureMemory}. Diff = {currentTextureMemory - m_PrevTextureMemory}");
var currentRTHandlesCount = RTUtils.GetHandleCount();
Assert.True(m_PrevRTHandlesCount == RTUtils.GetHandleCount(), $"RTHandle leak. Was {m_PrevRTHandlesCount} but is now {currentRTHandlesCount}. Diff = {currentRTHandlesCount - m_PrevRTHandlesCount}");
}
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, "Twist", brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
float finalTwistAmount = m_TwistAmount * -0.001f; //scale to a reasonable value and negate so default mode is clockwise
if (Event.current.shift)
{
finalTwistAmount *= -1.0f;
}
Material mat = GetPaintMaterial();
Vector4 brushParams = new Vector4(commonUI.brushStrength, 0.0f, finalTwistAmount, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetVector("_BrushParams", brushParams);
//twist splat map
if (m_AffectMaterials)
{
for (int i = 0; i < terrain.terrainData.terrainLayers.Length; i++)
{
TerrainLayer layer = terrain.terrainData.terrainLayers[i];
PaintContext paintContext = brushRender.AcquireTexture(true, brushXform.GetBrushXYBounds(), layer);
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;
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
brushRender.Release(paintContext);
RTUtils.Release(brushMask);
}
}
//twist height map
if (m_AffectHeight)
{
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushXform.GetBrushXYBounds(), 1);
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, finalTwistAmount, brushTexture, brushXform);
brushRender.Release(paintContext);
RTUtils.Release(brushMask);
}
}
}
}
return(false);
}
public override bool OnPaint(Terrain terrain, IOnPaint editContext)
{
commonUI.OnPaint(terrain, editContext);
if (!commonUI.allowPaint)
{
return(true);
}
Vector2 uv = editContext.uv;
if (commonUI.ScatterBrushStamp(ref terrain, ref uv))
{
using (IBrushRenderUnderCursor brushRender = new BrushRenderUIGroupUnderCursor(commonUI, "WindErosion", editContext.brushTexture))
{
if (brushRender.CalculateBrushTransform(out BrushTransform brushXform))
{
var brushBounds = brushXform.GetBrushXYBounds();
PaintContext paintContext = brushRender.AcquireHeightmap(true, brushBounds, 4);
paintContext.sourceRenderTexture.filterMode = FilterMode.Bilinear;
//paintContext.sourceRenderTexture = input heightmap
//Add Velocity (user wind direction and strength, or texture input, noise, forces, drag etc...)
float angle = commonUI.brushRotation; //m_WindAngleDegrees + r;
float r = 0.5f * (2.0f * UnityEngine.Random.value - 1.0f) * 0.01f * m_Eroder.m_WindSpeedJitter;
float speed = m_Eroder.m_WindSpeed.value + r;
float rad = angle * Mathf.Deg2Rad;
m_Eroder.m_WindVel = speed * (new Vector4(-Mathf.Sin(rad), Mathf.Cos(rad), 0.0f, 0.0f));
m_Eroder.inputTextures["Height"] = paintContext.sourceRenderTexture;
var heightRT = RTUtils.GetTempHandle(RTUtils.GetDescriptorRW((int)brushBounds.width, (int)brushBounds.height, 0, RenderTextureFormat.RFloat));
Vector2 texelSize = new Vector2(terrain.terrainData.size.x / terrain.terrainData.heightmapResolution,
terrain.terrainData.size.z / terrain.terrainData.heightmapResolution);
m_Eroder.ErodeHeightmap(heightRT, terrain.terrainData.size, brushBounds, texelSize);
//Blit the result onto the new height map
Material mat = GetPaintMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
Vector4 brushParams = new Vector4(commonUI.brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", editContext.brushTexture);
mat.SetTexture("_NewHeightTex", heightRT);
mat.SetVector("_BrushParams", brushParams);
brushRender.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
brushRender.RenderBrush(paintContext, mat, 0);
brushRender.Release(paintContext);
RTUtils.Release(brushMask);
RTUtils.Release(heightRT);
}
}
}
return(true);
}
private void ApplyBrushInternal(Terrain terrain, PaintContext paintContext, float brushStrength, Texture brushTexture, BrushTransform brushXform)
{
/*
* ComputeShader cs = GetDiffusionShader();
*
* int kernel = cs.FindKernel("Diffuse");
* cs.SetFloat("dt", 0.1f);
* cs.SetFloat("diff", 0.01f);
* cs.SetVector("texDim", new Vector4(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0.0f, 0.0f));
* cs.SetTexture(kernel, "InputTex", paintContext.sourceRenderTexture);
* cs.SetTexture(kernel, "OutputTex", paintContext.destinationRenderTexture);
* cs.Dispatch(kernel, paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 1);
*/
RenderTexture prev = RenderTexture.active;
Material mat = GetMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
Vector4 brushParams = new Vector4(Mathf.Clamp(brushStrength, 0.0f, 1.0f), 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", 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
0);
mat.SetInt("_KernelSize", (int)Mathf.Max(1, m_KernelSize)); // kernel size
mat.SetVector("_SmoothWeights", smoothWeights);
var texelCtx = Utility.CollectTexelValidity(terrain, brushXform.GetBrushXYBounds());
Utility.SetupMaterialForPaintingWithTexelValidityContext(paintContext, texelCtx, brushXform, mat);
paintContext.sourceRenderTexture.wrapMode = TextureWrapMode.Clamp;
paintContext.destinationRenderTexture.wrapMode = TextureWrapMode.Clamp;
// Two pass blur (first horizontal, then vertical)
var tmpRT = RTUtils.GetTempHandle(paintContext.destinationRenderTexture.descriptor);
tmpRT.RT.wrapMode = TextureWrapMode.Clamp;
mat.SetVector("_BlurDirection", Vector2.right);
Graphics.Blit(paintContext.sourceRenderTexture, tmpRT, mat);
mat.SetVector("_BlurDirection", Vector2.up);
Graphics.Blit(tmpRT, paintContext.destinationRenderTexture, mat);
RTUtils.Release(tmpRT);
RTUtils.Release(brushMask);
texelCtx.Cleanup();
RenderTexture.active = prev;
RenderTexture.ReleaseTemporary(brushMask);
}
public void SetUp()
{
EditorWindow.GetWindow <SceneView>().Focus();
m_PrevTextureMemory = Texture.totalTextureMemory;
m_PrevRTHandlesCount = RTUtils.GetHandleCount();
// Enables the core brush playback on OnSceneGUI
SceneView.duringSceneGui -= OnSceneGUI;
SceneView.duringSceneGui += OnSceneGUI;
}
/// <summary>
/// Release the RTHandle resources that have been gathered
/// </summary>
public void ReleaseRTHandles()
{
foreach (int key in m_Hashes)
{
if (m_Handles[key] != null)
{
var handle = m_Handles[key];
RTUtils.Release(handle);
m_Handles[key] = null;
}
}
}
/*
* public class Config
* {
* int xres, yres;
* // double
* }
* */
public static bool FindIntersection(Vector3d direction, Point3d origin, ref Point3d intersect)
{
UVDLPApp.Instance().CalcScene();
//bool intersected = false;
// Point3d bpoint, tpoint;
// Point3d lowest = new Point3d(); // the lowest point of intersection on the z axis
direction.Normalize();
direction.Scale(100.0);
Point3d endp = new Point3d();
endp.Set(origin);
endp.x += direction.x;
endp.y += direction.y;
endp.z += direction.z;
/*
* intersect = new Point3d();
* intersect.x = 0.0d;
* intersect.y = 0.0d;
* intersect.z = 0.0d;
*/
//intersect the scene with a ray
// intersected = false;
foreach (Polygon p in UVDLPApp.Instance().Scene.m_lstpolys)
{
intersect = new Point3d();
// try a less- costly sphere intersect here
if (RTUtils.IntersectSphere(origin, endp, ref intersect, p.m_center, p.m_radius))
{
// if it intersects,
if (RTUtils.IntersectPoly(p, origin, endp, ref intersect))
{
return(true);
/*
* // and it's the lowest one
* if (intersect.z <= lowest.z)
* {
* //save this point
* intersected = true;
* lowest.Set(intersect);
* }
* */
}
}
}
return(false);
}
Object3d GetSupportParrent(float x, float y, float z)
{
//Object3d obj;
List <Object3d> matchingObjects = new List <Object3d>();
foreach (Object3d obj in UVDLPApp.Instance().Engine3D.m_objects)
{
if (obj.tag != Object3d.OBJ_NORMAL)
{
continue;
}
if ((x > obj.m_min.x) && (x < obj.m_max.x) && (y > obj.m_min.y) && (y < obj.m_max.y))
{
matchingObjects.Add(obj);
}
}
if (matchingObjects.Count == 0)
{
return(null); // Should not happen!
}
if (matchingObjects.Count == 1)
{
return(matchingObjects[0]); // the easy case.
}
Point3d origin;
origin = new Point3d(); // bottom point
origin.Set(x, y, 0.0f);
//intersected = false; // reset the intersected flag to be false
Vector3d up = new Vector3d(); // the up vector
up.x = 0.0f;
up.y = 0.0f;
up.z = 1.0f;
List <ISectData> lstISects = RTUtils.IntersectObjects(up, origin, matchingObjects, false);
Object3d objFound = null;
float minzdiff = 99999999f;
// find the intersection closest to z.
foreach (ISectData htd in lstISects)
{
float zdiff = Math.Abs(htd.intersect.z - z);
if (zdiff < minzdiff)
{
minzdiff = zdiff;
objFound = htd.obj;
}
}
return(objFound);
}
public void RTHandle_Scope_Cleanup()
{
var handle = RTUtils.GetTempHandle(descriptorRW);
Assert.True(m_PrevRTHandleCount + 1 == RTUtils.GetHandleCount());
using (handle.Scoped())
{
// keep empty
}
Assert.True(m_PrevRTHandleCount == RTUtils.GetHandleCount());
}
private void ReleaseRTHandles()
{
for (int i = 0; i < 2; i++)
{
RTUtils.Release(m_HeightmapRT[i]);
RTUtils.Release(m_WaterRT[i]);
RTUtils.Release(m_WaterVelRT[i]);
RTUtils.Release(m_FluxRT[i]);
RTUtils.Release(m_SedimentRT[i]);
}
RTUtils.Release(m_ErodedRT);
RTUtils.Release(m_HardnessRT);
}
private void ApplyBrushInternal(Terrain terrain, IPaintContextRender renderer, PaintContext paintContext, float brushStrength, Texture brushTexture, BrushTransform brushTransform)
{
Material mat = Utility.GetPaintHeightMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
Vector4 brushParams = new Vector4(0.05f * brushStrength, 0.0f, 0.0f, 0.0f);
mat.SetTexture("_BrushTex", brushTexture);
mat.SetVector("_BrushParams", brushParams);
renderer.SetupTerrainToolMaterialProperties(paintContext, brushTransform, mat);
renderer.RenderBrush(paintContext, mat, (int)TerrainBuiltinPaintMaterialPasses.RaiseLowerHeight);
RTUtils.Release(brushMask);
}
/// <summary>
/// Evaluate the FilterStack. Composited result will be copied into fc.destinationRenderTexture
/// <param name="fc">The FilterContext that should be used for composition</param>
/// <exception>Throws an exception if source or destination RenderTexture is null</exception>
/// </summary>
public void Eval(FilterContext fc, RenderTexture source, RenderTexture dest)
{
if (dest == null)
{
throw new InvalidOperationException("FilterContext::Eval: Source and destination RenderTextures are not properly set up");
}
using (new ActiveRenderTextureScope(RenderTexture.active))
{
int count = filters.Count;
int srcIndex = 0;
int destIndex = 1;
var descriptor = RTUtils.GetDescriptor(dest.width, dest.height, 0, FilterUtility.defaultFormat);
swapBuffer[0] = RTUtils.GetTempHandle(descriptor).WithName(k_BufferName0);
swapBuffer[1] = RTUtils.GetTempHandle(descriptor).WithName(k_BufferName1);
// ensure the textures are created for compute usage
swapBuffer[0].RT.Create();
swapBuffer[1].RT.Create();
//don't remove this! needed for compute shaders to work correctly.
Graphics.Blit(Texture2D.whiteTexture, swapBuffer[0]); // TODO: change this to black or source. should build up the mask instead of always multiply
Graphics.Blit(Texture2D.blackTexture, swapBuffer[1]);
for (int i = 0; i < count; ++i)
{
var filter = filters[i];
if (!filter.enabled)
{
continue;
}
filter.Eval(fc, swapBuffer[srcIndex], swapBuffer[destIndex]);
// swap indices
destIndex += srcIndex;
srcIndex = destIndex - srcIndex;
destIndex = destIndex - srcIndex;
}
Graphics.Blit(swapBuffer[srcIndex], dest);
RTUtils.Release(swapBuffer[0]);
RTUtils.Release(swapBuffer[1]);
swapBuffer[0] = null;
swapBuffer[1] = null;
}
}
public void RTHandle_Count_Is_Correct()
{
var handles = new RTHandle[10];
for (int i = 0; i < handles.Length; ++i)
{
handles[i] = RTUtils.GetTempHandle(descriptor);
}
Assert.True(RTUtils.GetHandleCount() == m_PrevRTHandleCount + handles.Length);
for (int i = 0; i < handles.Length; ++i)
{
RTUtils.Release(handles[i]);
}
}
private void ApplyBrushInternal(Terrain terrain, IPaintContextRender renderer, PaintContext paintContext, float brushStrength, Texture brushTexture, BrushTransform brushXform)
{
Material mat = GetPaintMaterial();
var brushMask = RTUtils.GetTempHandle(paintContext.sourceRenderTexture.width, paintContext.sourceRenderTexture.height, 0, FilterUtility.defaultFormat);
Utility.SetFilterRT(commonUI, paintContext.sourceRenderTexture, brushMask, mat);
float delta = terraceToolProperties.m_JitterTerraceCount * 50.0f;
float jitteredFeatureSize = terraceToolProperties.m_FeatureSize + Random.Range(terraceToolProperties.m_FeatureSize - delta, terraceToolProperties.m_FeatureSize + delta);
Vector4 brushParams = new Vector4(brushStrength, jitteredFeatureSize, terraceToolProperties.m_BevelAmountInterior, 0.0f);
mat.SetTexture("_BrushTex", brushTexture);
mat.SetVector("_BrushParams", brushParams);
renderer.SetupTerrainToolMaterialProperties(paintContext, brushXform, mat);
renderer.RenderBrush(paintContext, mat, 0);
RTUtils.Release(brushMask);
}
