public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Shading.AlbedoMap;
int albedoResolution = terrain.TerrainData.Shading.AlbedoMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, albedoResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.AlbedoPainterMaterial;
mat.SetColor("_Color", args.Color);
mat.SetTexture("_MainTex", bg);
SetupTextureGrid(terrain, mat);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
GLivePreviewDrawer.DrawAlbedoLivePreview(terrain, cam, rt, dirtyRect);
#endif
}
public void Internal_ApplyMetallic(GStylizedTerrain t, List <Vector4> worldPoints, RenderTexture rtMetallic)
{
GCommon.CopyToRT(t.TerrainData.Shading.MetallicMap, rtMetallic);
Material mat = GInternalMaterials.PathPainterMaterial;
mat.SetTexture("_MainTex", t.TerrainData.Shading.MetallicMap);
mat.SetFloat("_Metallic", Metallic);
mat.SetFloat("_Smoothness", Smoothness);
mat.SetTexture("_FalloffNoise", FalloffNoise);
mat.SetTextureScale("_FalloffNoise", new Vector2(
FalloffNoiseSize.x != 0 ? 1f / FalloffNoiseSize.x : 0,
FalloffNoiseSize.y != 0 ? 1f / FalloffNoiseSize.y : 0));
mat.SetTextureOffset("_FalloffNoise", Vector2.zero);
int pass = 1;
DrawOnTexture(rtMetallic, mat, pass, worldPoints, t);
if (SplineCreator.EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", t.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
t.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
}
public void Generate(RenderTexture targetRt)
{
GBlendMapGeneratorParams param = GTextureToolParams.Instance.Blend;
RenderTexture bg = new RenderTexture(targetRt);
GCommon.CopyToRT(targetRt, bg);
GCommon.FillTexture(targetRt, Color.black);
for (int i = 0; i < param.Layers.Count; ++i)
{
GBlendLayer l = param.Layers[i];
Mat.SetTexture("_Background", bg);
Mat.SetTexture("_Foreground", l.Texture);
Mat.SetFloat("_Number", l.Number);
Mat.SetVector("_Vector", l.Vector);
Mat.SetInt("_Ops", (int)l.BlendOps);
Mat.SetFloat("_LerpFactor", l.LerpFactor);
Mat.SetTexture("_LerpMask", l.LerpMask);
Mat.SetInt("_Saturate", l.Saturate ? 1 : 0);
GCommon.DrawQuad(targetRt, GCommon.FullRectUvPoints, Mat, (int)l.DataSource);
GCommon.CopyToRT(targetRt, bg);
}
bg.Release();
GUtilities.DestroyObject(bg);
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution);
GCommon.CopyToRT(bg, rt);
Vector3 localSamplePoint = terrain.transform.InverseTransformPoint(args.SamplePoint);
Material mat = GInternalMaterials.HeightSamplingPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
mat.SetFloat("_TargetGray", Mathf.InverseLerp(0, terrain.TerrainData.Geometry.Height, localSamplePoint.y));
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
GLivePreviewDrawer.DrawGeometryLivePreview(terrain, cam, rt, dirtyRect);
#endif
}
private void RenderGeometryHeightMap(GStylizedTerrain terrain, RenderTexture targetRt)
{
GGeneralParams param = GTextureToolParams.Instance.General;
RenderTexture rt = terrain.GetHeightMap(param.Resolution);
GCommon.CopyToRT(rt, targetRt);
}
public void Internal_ApplySplat(GStylizedTerrain t, List <Vector4> worldPoints, RenderTexture[] rtControls)
{
Material mat = GInternalMaterials.PathPainterMaterial;
mat.SetTexture("_Falloff", falloffTexture);
mat.SetTexture("_FalloffNoise", FalloffNoise);
mat.SetTextureScale("_FalloffNoise", new Vector2(
FalloffNoiseSize.x != 0 ? 1f / FalloffNoiseSize.x : 0,
FalloffNoiseSize.y != 0 ? 1f / FalloffNoiseSize.y : 0));
mat.SetTextureOffset("_FalloffNoise", Vector2.zero);
int pass = 2;
for (int i = 0; i < rtControls.Length; ++i)
{
Texture2D splatControl = t.TerrainData.Shading.GetSplatControl(i);
GCommon.CopyToRT(splatControl, rtControls[i]);
mat.SetTexture("_MainTex", splatControl);
if (SplatIndex / 4 == i)
{
mat.SetInt("_ChannelIndex", SplatIndex % 4);
}
else
{
mat.SetInt("_ChannelIndex", -1);
}
DrawOnTexture(rtControls[i], mat, pass, worldPoints, t);
}
t.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
}
public void Internal_Apply(GStylizedTerrain t, RenderTexture rt, List <Vector4> vertices)
{
GCommon.CopyToRT(t.TerrainData.Geometry.HeightMap, rt);
Material mat = GInternalMaterials.RampMakerMaterial;
mat.SetTexture("_HeightMap", t.TerrainData.Geometry.HeightMap);
mat.SetTexture("_Falloff", falloffTexture);
mat.SetInt("_LowerHeight", LowerHeight ? 1 : 0);
mat.SetInt("_RaiseHeight", RaiseHeight ? 1 : 0);
mat.SetFloat("_AdditionalMeshResolution", GCommon.SUB_DIV_STEP * AdditionalMeshResolution);
mat.SetTexture("_FalloffNoise", FalloffNoise);
mat.SetTextureScale("_FalloffNoise", new Vector2(
FalloffNoiseSize.x != 0 ? 1f / FalloffNoiseSize.x : 0,
FalloffNoiseSize.y != 0 ? 1f / FalloffNoiseSize.y : 0));
mat.SetTextureOffset("_FalloffNoise", Vector2.zero);
if (SplineCreator.EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", t.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
mat.SetInt("_StepCount", StepCount);
int pass = 0;
DrawOnTexture(rt, mat, pass, vertices, t);
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution);
GCommon.CopyToRT(bg, rt);
Texture2D remapTex = GCommon.CreateTextureFromCurve(GTexturePainterCustomParams.Instance.Remap.Curve, 512, 1);
Material mat = GInternalMaterials.RemapPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
mat.SetTexture("_RemapTex", remapTex);
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
GLivePreviewDrawer.DrawGeometryLivePreview(terrain, cam, rt, dirtyRect);
GUtilities.DestroyObject(remapTex);
#endif
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Shading.AlbedoMap;
int albedoResolution = terrain.TerrainData.Shading.AlbedoMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(albedoResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.AlbedoPainterMaterial;
mat.SetColor("_Color", args.Color);
mat.SetTexture("_MainTex", bg);
SetupTextureGrid(terrain, mat);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Shading.AlbedoMap.ReadPixels(
new Rect(0, 0, albedoResolution, albedoResolution), 0, 0);
terrain.TerrainData.Shading.AlbedoMap.Apply();
RenderTexture.active = null;
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
if (!args.ForceUpdateGeometry)
{
return;
}
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Mask.MaskMap;
int maskResolution = terrain.TerrainData.Mask.MaskMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, maskResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.MaskPainterMaterial;
mat.SetTexture("_MainTex", bg);
SetupTextureGrid(terrain, mat);
mat.SetTexture("_Mask", args.BrushMask);
mat.SetFloat("_Opacity", args.Opacity);
GMaskPainterParams param = GTexturePainterCustomParams.Instance.Mask;
Vector4 channel;
if (param.Channel == GTextureChannel.R)
{
channel = new Vector4(1, 0, 0, 0);
}
else if (param.Channel == GTextureChannel.G)
{
channel = new Vector4(0, 1, 0, 0);
}
else if (param.Channel == GTextureChannel.B)
{
channel = new Vector4(0, 0, 1, 0);
}
else
{
channel = new Vector4(0, 0, 0, 1);
}
mat.SetVector("_Channel", channel);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
GLivePreviewDrawer.DrawMask4ChannelsLivePreview(
terrain, cam,
rt,
GCommon.UnitRect);
#endif
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
if (!args.Transform.IsChildOf(terrain.transform))
{
return;
}
if (!(args.Collider is MeshCollider))
{
return;
}
MeshCollider mc = args.Collider as MeshCollider;
if (mc.sharedMesh == null)
{
return;
}
Mesh m = mc.sharedMesh;
Vector2[] uvs = m.uv;
int[] tris = m.triangles;
int trisIndex = args.TriangleIndex;
Vector2 v0 = uvs[tris[trisIndex * 3 + 0]];
Vector2 v1 = uvs[tris[trisIndex * 3 + 1]];
Vector2 v2 = uvs[tris[trisIndex * 3 + 2]];
int albedoMapResolution = terrain.TerrainData.Shading.AlbedoMapResolution;
RenderTexture rt = new RenderTexture(albedoMapResolution, albedoMapResolution, 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.sRGB);
GCommon.CopyToRT(terrain.TerrainData.Shading.AlbedoMap, rt);
Color c = args.Color;
if (args.ActionType == GPainterActionType.Negative)
{
if (!ColorUtility.TryParseHtmlString(args.CustomArgs, out c))
{
c = Color.white;
}
}
GCommon.DrawTriangle(rt, v0, v1, v2, c);
RenderTexture.active = rt;
terrain.TerrainData.Shading.AlbedoMap.ReadPixels(
new Rect(0, 0, albedoMapResolution, albedoMapResolution), 0, 0);
terrain.TerrainData.Shading.AlbedoMap.Apply();
RenderTexture.active = null;
rt.Release();
Object.DestroyImmediate(rt);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
}
public void Paint(GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Down)
{
terrain.ForceLOD(0);
GGriffinSettings.Instance.IsHidingFoliageOnEditing = true;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
terrain.ForceLOD(-1);
GGriffinSettings.Instance.IsHidingFoliageOnEditing = false;
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(heightMapResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.VisibilityPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Geometry.HeightMap.ReadPixels(
new Rect(0, 0, heightMapResolution, heightMapResolution), 0, 0);
terrain.TerrainData.Geometry.HeightMap.Apply();
RenderTexture.active = null;
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public bool Internal_ApplySplat(GStylizedTerrain t, RenderTexture[] rtControls)
{
GetQuad(worldPoints);
GetUvPoints(t, worldPoints, uvPoints);
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvPoints);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return(false);
}
int brushResolution = t.TerrainData.Shading.SplatControlResolution;
RenderTexture[] brushes = RenderBrushes(t, uvPoints, brushResolution);
RenderTexture[] bg = new RenderTexture[rtControls.Length];
for (int i = 0; i < bg.Length; ++i)
{
bg[i] = GetRenderTexture("bg" + i.ToString(), brushResolution);
Texture2D splatControl = t.TerrainData.Shading.GetSplatControl(i);
GCommon.CopyToRT(splatControl, bg[i]);
GCommon.CopyToRT(splatControl, rtControls[i]);
}
Material paintMaterial = GInternalMaterials.SplatPainterMaterial;
paintMaterial.SetFloat("_Opacity", 1);
for (int i = 0; i < brushes.Length; ++i)
{
if (Layers[i].Ignore)
{
continue;
}
paintMaterial.SetTexture("_Mask", brushes[i]);
int controlMapCount = rtControls.Length;
for (int controlIndex = 0; controlIndex < controlMapCount; ++controlIndex)
{
GCommon.CopyToRT(bg[controlIndex], rtControls[controlIndex]);
paintMaterial.SetTexture("_MainTex", bg[controlIndex]);
if (Layers[i].SplatIndex / 4 == controlIndex)
{
paintMaterial.SetInt("_ChannelIndex", Layers[i].SplatIndex % 4);
}
else
{
paintMaterial.SetInt("_ChannelIndex", -1);
}
int pass = 0;
GCommon.DrawQuad(rtControls[controlIndex], GCommon.FullRectUvPoints, paintMaterial, pass);
GCommon.CopyToRT(rtControls[controlIndex], bg[controlIndex]);
}
}
t.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
return(true);
}
private void DoImportSplats()
{
GSplatPrototypeGroup splatGroup = DesData.Shading.Splats;
if (splatGroup == null ||
splatGroup == GGriffinSettings.Instance.TerrainDataDefault.Shading.Splats)
{
CreateNewSplatPrototypesGroup = true;
}
if (CreateNewSplatPrototypesGroup)
{
splatGroup = ScriptableObject.CreateInstance <GSplatPrototypeGroup>();
#if UNITY_EDITOR
string path = AssetDatabase.GetAssetPath(DesData);
string directory = Path.GetDirectoryName(path);
string filePath = Path.Combine(directory, string.Format("Splats_{0}_{1}.asset", DesData.Id, System.DateTime.Now.Ticks));
AssetDatabase.CreateAsset(splatGroup, filePath);
#endif
DesData.Shading.Splats = splatGroup;
}
List <LPTSplatInfo> layers = SrcData.SurfaceSettings.Splats;
GSplatPrototype[] prototypes = new GSplatPrototype[layers.Count];
for (int i = 0; i < layers.Count; ++i)
{
GSplatPrototype p = (GSplatPrototype)layers[i];
prototypes[i] = p;
}
splatGroup.Prototypes = new List <GSplatPrototype>(prototypes);
int controlResolution = SrcData.SurfaceSettings.ControlResolution;
DesData.Shading.SplatControlResolution = controlResolution;
Texture[] alphaMaps = SrcData.SurfaceSettings.GetSplatControlTextures();
int maxControlCount = Mathf.Min(alphaMaps.Length, DesData.Shading.SplatControlMapCount);
RenderTexture rt = new RenderTexture(controlResolution, controlResolution, 0, RenderTextureFormat.ARGB32);
for (int i = 0; i < maxControlCount; ++i)
{
Texture2D controlMap = DesData.Shading.Internal_GetSplatControl(i);
GCommon.CopyToRT(alphaMaps[i], rt);
GCommon.CopyFromRT(controlMap, rt);
controlMap.filterMode = alphaMaps[i].filterMode;
}
rt.Release();
GUtilities.DestroyObject(rt);
DesData.SetDirty(GTerrainData.DirtyFlags.Shading);
GC.Collect();
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Material mat = GInternalMaterials.SplatPainterMaterial;
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
int controlMapResolution = terrain.TerrainData.Shading.SplatControlResolution;
int controlMapCount = terrain.TerrainData.Shading.SplatControlMapCount;
for (int i = 0; i < controlMapCount; ++i)
{
Texture2D splatControl = terrain.TerrainData.Shading.GetSplatControl(i);
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, controlMapResolution, i);
GCommon.CopyToRT(splatControl, rt);
mat.SetTexture("_MainTex", splatControl);
if (args.SplatIndex / 4 == i)
{
mat.SetInt("_ChannelIndex", args.SplatIndex % 4);
}
else
{
mat.SetInt("_ChannelIndex", -1);
}
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
}
Texture[] controls = new Texture[controlMapCount];
for (int i = 0; i < controlMapCount; ++i)
{
controls[i] = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, controlMapResolution, i);
}
GLivePreviewDrawer.DrawSplatLivePreview(terrain, cam, controls, dirtyRect);
#endif
}
private RenderTexture CloneBg(RenderTexture targetRt)
{
if (bgRt == null)
{
bgRt = new RenderTexture(targetRt);
}
else if (bgRt.width != targetRt.width || bgRt.height != targetRt.height || bgRt.format != targetRt.format)
{
bgRt.Release();
GUtilities.DestroyObject(bgRt);
bgRt = new RenderTexture(targetRt);
}
GCommon.CopyToRT(targetRt, bgRt);
return(bgRt);
}
public void Internal_Apply(GStylizedTerrain t, RenderTexture rt)
{
GCommon.CopyToRT(t.TerrainData.Geometry.HeightMap, rt);
Vector3[] worldCorner = GetQuad();
Vector2[] uvCorners = new Vector2[worldCorner.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = t.WorldPointToUV(worldCorner[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Vector3 normalizedPos = t.WorldPointToNormalized(Position);
float stampHeight = GUtilities.InverseLerpUnclamped(0, t.TerrainData.Geometry.Height, Scale.y);
Material mat = GInternalMaterials.StamperMaterial;
mat.SetTexture("_HeightMap", t.TerrainData.Geometry.HeightMap);
mat.SetTexture("_Stamp", Stamp);
mat.SetTexture("_Falloff", falloffTexture);
mat.SetInt("_Operation", (int)Operation);
mat.SetFloat("_LerpFactor", LerpFactor);
mat.SetFloat("_StampHeight", stampHeight);
mat.SetFloat("_StampPositionY", normalizedPos.y);
mat.SetFloat("_Inverse", InverseStamp ? 1 : 0);
mat.SetFloat("_UseFalloffAsBlendFactor", UseFalloffAsBlendFactor ? 1 : 0);
mat.SetFloat("_AdditionalMeshResolution", GCommon.SUB_DIV_STEP * AdditionalMeshResolution);
if (EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", t.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
int pass = (int)Channel;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution);
GCommon.CopyToRT(bg, rt);
RenderTexture noiseMap = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution, 1);
RenderNoiseTexture(noiseMap, terrain);
Material mat = GInternalMaterials.NoisePainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.BrushMask);
mat.SetFloat("_Opacity", Mathf.Pow(args.Opacity, GTerrainTexturePainter.GEOMETRY_OPACITY_EXPONENT));
mat.SetTexture("_NoiseMap", noiseMap);
if (args.EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", terrain.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
GCommon.SetMaterialKeywordActive(mat, "USE_WORLD_SPACE", GTexturePainterCustomParams.Instance.Noise.UseWorldSpace);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
GLivePreviewDrawer.DrawGeometryLivePreview(terrain, cam, rt, dirtyRect);
#endif
}
public void Editor_DrawLivePreview(GStylizedTerrain terrain, GTexturePainterArgs args, Camera cam)
{
#if UNITY_EDITOR
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.SubDivPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.BrushMask);
mat.SetFloat("_Opacity", Mathf.Pow(args.Opacity, GTerrainTexturePainter.GEOMETRY_OPACITY_EXPONENT));
if (args.EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", terrain.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
Matrix4x4 worldToMaskMatrix = Matrix4x4.TRS(
args.WorldPointCorners[0],
Quaternion.Euler(0, args.Rotation, 0),
args.Radius * 2 * Vector3.one).inverse;
GLivePreviewDrawer.DrawSubdivLivePreview(terrain, cam, rt, dirtyRect, args.BrushMask, worldToMaskMatrix);
#endif
}
public void Generate(RenderTexture targetRt)
{
GHeightMapGeneratorParams param = GTextureToolParams.Instance.HeightMap;
if (param.Terrain == null || param.Terrain.TerrainData == null)
{
GCommon.CopyToRT(Texture2D.blackTexture, targetRt);
}
else
{
if (param.UseRealGeometry)
{
RenderGeometryHeightMap(param.Terrain, targetRt);
}
else
{
RenderPixelHeightMap(param.Terrain, targetRt);
}
}
}
public void Internal_ApplyAlbedo(GStylizedTerrain t, List <Vector4> worldPoints, RenderTexture rtAlbedo)
{
GCommon.CopyToRT(t.TerrainData.Shading.AlbedoMap, rtAlbedo);
Material mat = GInternalMaterials.PathPainterMaterial;
mat.SetTexture("_MainTex", t.TerrainData.Shading.AlbedoMap);
mat.SetFloat("_Metallic", Metallic);
mat.SetFloat("_Smoothness", Smoothness);
mat.SetTexture("_Falloff", falloffTexture);
mat.SetColor("_Color", Color);
mat.SetTexture("_FalloffNoise", FalloffNoise);
mat.SetTextureScale("_FalloffNoise", new Vector2(
FalloffNoiseSize.x != 0 ? 1f / FalloffNoiseSize.x : 0,
FalloffNoiseSize.y != 0 ? 1f / FalloffNoiseSize.y : 0));
mat.SetTextureOffset("_FalloffNoise", Vector2.zero);
int pass = 0;
DrawOnTexture(rtAlbedo, mat, pass, worldPoints, t);
t.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
}
public void Apply(RenderTexture targetRt, GTextureFilterParams param)
{
GHydraulicErosionParams erosionParam = param.HydraulicErosion;
RenderTexture writeRt = null; //buffer to write to
RenderTexture readRt = null; //buffer to read from
RenderTexture tmp = null; //temp buffer for swapping
CloneBg(targetRt, out writeRt, out readRt);
//init height field & water level
Mat.SetTexture("_HeightMap", targetRt);
GCommon.DrawQuad(writeRt, GCommon.FullRectUvPoints, Mat, 0);
GCommon.DrawQuad(readRt, GCommon.FullRectUvPoints, Mat, 0);
//simulate
for (int i = 0; i < erosionParam.Iteration; ++i)
{
Mat.SetTexture("_HeightMap", readRt);
Mat.SetVector("_Dimension", erosionParam.Dimension);
Mat.SetFloat("_Rain", erosionParam.Rain);
Mat.SetFloat("_Transportation", erosionParam.Transportation);
Mat.SetFloat("_MinAngle", erosionParam.AngleMin);
Mat.SetFloat("_Evaporation", erosionParam.Evaporation);
Mat.SetTexture("_WaterSourceMap", erosionParam.WaterSourceMap);
Mat.SetTexture("_HardnessMap", erosionParam.HardnessMap);
//Mat.SetFloat("_Seed", Random.value);
GCommon.DrawQuad(writeRt, GCommon.FullRectUvPoints, Mat, 1);
//swap buffer
tmp = readRt;
readRt = writeRt;
writeRt = tmp;
}
//copy result
GCommon.CopyToRT(writeRt, targetRt);
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Down)
{
terrain.ForceLOD(0);
GRuntimeSettings.Instance.isEditingGeometry = true;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
terrain.ForceLOD(-1);
GRuntimeSettings.Instance.isEditingGeometry = false;
terrain.UpdateTreesPosition();
terrain.UpdateGrassPatches();
terrain.TerrainData.Foliage.ClearTreeDirtyRegions();
terrain.TerrainData.Foliage.ClearGrassDirtyRegions();
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(heightMapResolution);
GCommon.CopyToRT(bg, rt);
Texture2D remapTex = GCommon.CreateTextureFromCurve(GTexturePainterCustomParams.Instance.Remap.Curve, 512, 1);
Material mat = GInternalMaterials.RemapPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.BrushMask);
mat.SetFloat("_Opacity", Mathf.Pow(args.Opacity, GTerrainTexturePainter.GEOMETRY_OPACITY_EXPONENT));
mat.SetTexture("_RemapTex", remapTex);
if (args.EnableTerrainMask)
{
mat.SetTexture("_TerrainMask", terrain.TerrainData.Mask.MaskMap);
}
else
{
mat.SetTexture("_TerrainMask", Texture2D.blackTexture);
}
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Geometry.HeightMap.ReadPixels(
new Rect(0, 0, heightMapResolution, heightMapResolution), 0, 0);
terrain.TerrainData.Geometry.HeightMap.Apply();
RenderTexture.active = null;
GUtilities.DestroyObject(remapTex);
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetTreeRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetGrassRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.ActionType != GPainterActionType.Normal)
{
terrain.ForceLOD(-1);
return;
}
if (args.MouseEventType == GPainterMouseEventType.Down)
{
terrain.ForceLOD(0);
GGriffinSettings.Instance.IsHidingFoliageOnEditing = true;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
GGriffinSettings.Instance.IsHidingFoliageOnEditing = false;
terrain.UpdateTreesPosition();
terrain.UpdateGrassPatches();
terrain.TerrainData.Foliage.ClearTreeDirtyRegions();
terrain.TerrainData.Foliage.ClearGrassDirtyRegions();
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(heightMapResolution);
GCommon.CopyToRT(bg, rt);
Vector3 localSamplePoint = terrain.transform.InverseTransformPoint(args.SamplePoint);
Material mat = GInternalMaterials.HeightSamplingPainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
mat.SetFloat("_TargetGray", Mathf.InverseLerp(0, terrain.TerrainData.Geometry.Height, localSamplePoint.y));
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Geometry.HeightMap.ReadPixels(
new Rect(0, 0, heightMapResolution, heightMapResolution), 0, 0);
terrain.TerrainData.Geometry.HeightMap.Apply();
RenderTexture.active = null;
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetTreeRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetGrassRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (terrain.TerrainData.Shading.Splats == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Material mat = GInternalMaterials.SplatPainterMaterial;
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
int controlMapResolution = terrain.TerrainData.Shading.SplatControlResolution;
int controlMapCount = terrain.TerrainData.Shading.SplatControlMapCount;
for (int i = 0; i < controlMapCount; ++i)
{
Texture2D splatControl = terrain.TerrainData.Shading.GetSplatControl(i);
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(controlMapResolution);
GCommon.CopyToRT(splatControl, rt);
mat.SetTexture("_MainTex", splatControl);
if (args.SplatIndex / 4 == i)
{
mat.SetInt("_ChannelIndex", args.SplatIndex % 4);
}
else
{
mat.SetInt("_ChannelIndex", -1);
}
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
splatControl.ReadPixels(new Rect(0, 0, controlMapResolution, controlMapResolution), 0, 0);
splatControl.Apply();
RenderTexture.active = null;
}
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
if (!args.ForceUpdateGeometry)
{
return;
}
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public bool Internal_ApplyAlbedoMetallicSmoothness(GStylizedTerrain t, RenderTexture albedoRt, RenderTexture metallicRt)
{
GetQuad(worldPoints);
GetUvPoints(t, worldPoints, uvPoints);
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvPoints);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return(false);
}
int brushResolution = Mathf.Max(t.TerrainData.Shading.AlbedoMapResolution, t.TerrainData.Shading.MetallicMapResolution);
RenderTexture[] brushes = RenderBrushes(t, uvPoints, brushResolution);
RenderTexture bg0 = GetRenderTexture("bg0", brushResolution);
Texture2D albedoMap = t.TerrainData.Shading.AlbedoMap;
GCommon.CopyToRT(albedoMap, bg0);
GCommon.CopyToRT(albedoMap, albedoRt);
Material mat = GInternalMaterials.AlbedoPainterMaterial;
mat.SetFloat("_Opacity", 1);
for (int i = 0; i < brushes.Length; ++i)
{
if (Layers[i].Ignore)
{
continue;
}
mat.SetTexture("_MainTex", bg0);
mat.SetTexture("_Mask", brushes[i]);
mat.SetColor("_Color", Layers[i].Color);
int pass = 0;
GCommon.DrawQuad(albedoRt, GCommon.FullRectUvPoints, mat, pass);
GCommon.CopyToRT(albedoRt, bg0);
}
RenderTexture bg1 = GetRenderTexture("bg1", brushResolution);
Texture2D metallicMap = t.TerrainData.Shading.MetallicMap;
GCommon.CopyToRT(metallicMap, bg1);
GCommon.CopyToRT(metallicMap, metallicRt);
mat = GInternalMaterials.MetallicPainterMaterial;
mat.SetFloat("_Opacity", 1);
for (int i = 0; i < brushes.Length; ++i)
{
if (Layers[i].Ignore)
{
continue;
}
mat.SetTexture("_MainTex", bg1);
mat.SetTexture("_Mask", brushes[i]);
mat.SetColor("_Color", Color.white * Layers[i].Metallic);
int pass = 3; //fragSet
GCommon.DrawQuad(metallicRt, GCommon.FullRectUvPoints, mat, pass);
GCommon.CopyToRT(metallicRt, bg1);
}
mat = GInternalMaterials.SmoothnessPainterMaterial;
mat.SetFloat("_Opacity", 1);
for (int i = 0; i < brushes.Length; ++i)
{
if (Layers[i].Ignore)
{
continue;
}
mat.SetTexture("_MainTex", bg1);
mat.SetTexture("_Mask", brushes[i]);
mat.SetColor("_Color", Color.white * Layers[i].Smoothness);
int pass = 3; //fragSet
GCommon.DrawQuad(metallicRt, GCommon.FullRectUvPoints, mat, pass);
GCommon.CopyToRT(metallicRt, bg1);
}
t.TerrainData.SetDirty(GTerrainData.DirtyFlags.Shading);
return(true);
}
public void Paint(GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Down)
{
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Mask.MaskMap;
int maskResolution = terrain.TerrainData.Mask.MaskMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(maskResolution);
GCommon.CopyToRT(bg, rt);
Material mat = GInternalMaterials.MaskPainterMaterial;
mat.SetTexture("_MainTex", bg);
SetupTextureGrid(terrain, mat);
mat.SetTexture("_Mask", args.BrushMask);
mat.SetFloat("_Opacity", args.Opacity);
GMaskPainterParams param = GTexturePainterCustomParams.Instance.Mask;
Vector4 channel;
if (param.Channel == GTextureChannel.R)
{
channel = new Vector4(1, 0, 0, 0);
}
else if (param.Channel == GTextureChannel.G)
{
channel = new Vector4(0, 1, 0, 0);
}
else if (param.Channel == GTextureChannel.B)
{
channel = new Vector4(0, 0, 1, 0);
}
else
{
channel = new Vector4(0, 0, 0, 1);
}
mat.SetVector("_Channel", channel);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 :
args.ActionType == GPainterActionType.Alternative ? 2 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Mask.MaskMap.ReadPixels(
new Rect(0, 0, maskResolution, maskResolution), 0, 0);
terrain.TerrainData.Mask.MaskMap.Apply();
RenderTexture.active = null;
if (!args.ForceUpdateGeometry)
{
return;
}
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}
public void Paint(Pinwheel.Griffin.GStylizedTerrain terrain, GTexturePainterArgs args)
{
if (terrain.TerrainData == null)
{
return;
}
if (args.MouseEventType == GPainterMouseEventType.Down)
{
terrain.ForceLOD(0);
GGriffinSettings.Instance.IsHidingFoliageOnEditing = true;
}
if (args.MouseEventType == GPainterMouseEventType.Up)
{
terrain.ForceLOD(-1);
GGriffinSettings.Instance.IsHidingFoliageOnEditing = false;
terrain.UpdateTreesPosition();
terrain.UpdateGrassPatches();
terrain.TerrainData.Foliage.ClearTreeDirtyRegions();
terrain.TerrainData.Foliage.ClearGrassDirtyRegions();
return;
}
Vector2[] uvCorners = new Vector2[args.WorldPointCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = terrain.WorldPointToUV(args.WorldPointCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
Texture2D bg = terrain.TerrainData.Geometry.HeightMap;
int heightMapResolution = terrain.TerrainData.Geometry.HeightMapResolution;
RenderTexture rt = GTerrainTexturePainter.Internal_GetRenderTexture(heightMapResolution);
GCommon.CopyToRT(bg, rt);
RenderTexture noiseMap = GTerrainTexturePainter.Internal_GetRenderTexture(terrain, heightMapResolution, 1);
RenderNoiseTexture(noiseMap, terrain);
Material mat = GInternalMaterials.NoisePainterMaterial;
mat.SetTexture("_MainTex", bg);
mat.SetTexture("_Mask", args.Mask);
mat.SetFloat("_Opacity", args.Opacity);
mat.SetTexture("_NoiseMap", noiseMap);
GCommon.SetMaterialKeywordActive(mat, "USE_WORLD_SPACE", GTexturePainterCustomParams.Instance.Noise.UseWorldSpace);
int pass =
args.ActionType == GPainterActionType.Normal ? 0 :
args.ActionType == GPainterActionType.Negative ? 1 : 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
RenderTexture.active = rt;
terrain.TerrainData.Geometry.HeightMap.ReadPixels(
new Rect(0, 0, heightMapResolution, heightMapResolution), 0, 0);
terrain.TerrainData.Geometry.HeightMap.Apply();
RenderTexture.active = null;
terrain.TerrainData.Geometry.SetRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetTreeRegionDirty(dirtyRect);
terrain.TerrainData.Foliage.SetGrassRegionDirty(dirtyRect);
terrain.TerrainData.SetDirty(GTerrainData.DirtyFlags.Geometry);
}