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 Editor_DrawCustomParamsGUI()
{
#if UNITY_EDITOR
string label = "Mask Painting";
string id = "mask-painter";
GCommonGUI.Foldout(label, true, id, () =>
{
GMaskPainterParams param = GTexturePainterCustomParams.Instance.Mask;
string[] labels = new string[]
{
"R (Terrain Mask)",
"G (Smooth Normal Mask)",
"B",
"A"
};
int[] values = new int[]
{
1,
2,
4,
8
};
param.Channel = (GTextureChannel)EditorGUILayout.IntPopup("Channel", (int)param.Channel, labels, values);
param.Visualize = EditorGUILayout.Toggle("Visualize", param.Visualize);
GTexturePainterCustomParams.Instance.Mask = param;
EditorUtility.SetDirty(GTexturePainterCustomParams.Instance);
#if GRIFFIN_VEGETATION_STUDIO_PRO
GCommonGUI.Header("Vegetation Studio Pro");
if (GUILayout.Button("Refresh Vegetation Systems"))
{
VegetationStudioManager.RefreshVegetationSystem();
}
#endif
});
#endif
}
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);
}
