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 Internal_UpdateFalloffTexture()
{
if (falloffTexture != null)
{
GUtilities.DestroyObject(falloffTexture);
}
falloffTexture = GCommon.CreateTextureFromCurve(Falloff, 256, 1);
}
public void UpdateCurveTextures()
{
if (heightTransitionTexture != null)
{
GUtilities.DestroyObject(heightTransitionTexture);
}
if (slopeTransitionTexture != null)
{
GUtilities.DestroyObject(slopeTransitionTexture);
}
if (noiseRemapTexture != null)
{
GUtilities.DestroyObject(noiseRemapTexture);
}
heightTransitionTexture = GCommon.CreateTextureFromCurve(HeightTransition, 256, 1);
slopeTransitionTexture = GCommon.CreateTextureFromCurve(SlopeTransition, 256, 1);
noiseRemapTexture = GCommon.CreateTextureFromCurve(NoiseRemap, 256, 1);
}
public void Apply(RenderTexture targetRt, GTextureFilterParams param)
{
GCurveParams curveParam = param.Curve;
RenderTexture bg = CloneBg(targetRt);
Texture2D masterCurveTex = GCommon.CreateTextureFromCurve(curveParam.MasterCurve, 1024, 1);
Texture2D redCurveTex = GCommon.CreateTextureFromCurve(curveParam.RedCurve, 1024, 1);
Texture2D greenCurveTex = GCommon.CreateTextureFromCurve(curveParam.GreenCurve, 1024, 1);
Texture2D blueCurveTex = GCommon.CreateTextureFromCurve(curveParam.BlueCurve, 1024, 1);
Texture2D alphaCurveTex = GCommon.CreateTextureFromCurve(curveParam.AlphaCurve, 1024, 1);
Mat.SetTexture("_MainTex", bg);
Mat.SetTexture("_MasterCurve", masterCurveTex);
Mat.SetTexture("_RedCurve", redCurveTex);
Mat.SetTexture("_GreenCurve", greenCurveTex);
Mat.SetTexture("_BlueCurve", blueCurveTex);
Mat.SetTexture("_AlphaCurve", alphaCurveTex);
GCommon.DrawQuad(targetRt, GCommon.FullRectUvPoints, Mat, 0);
GUtilities.DestroyObject(masterCurveTex);
GUtilities.DestroyObject(redCurveTex);
GUtilities.DestroyObject(greenCurveTex);
GUtilities.DestroyObject(blueCurveTex);
GUtilities.DestroyObject(alphaCurveTex);
}
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 Internal_UpdateFalloffTexture()
{
falloffTexture = GCommon.CreateTextureFromCurve(Falloff, 256, 1);
}
