void GenerateVegetationColorMask(VegetationSystemPro vegetationSystemPro)
{
_path = EditorUtility.SaveFilePanelInProject("Save mask background", "", "png",
"Please enter a file name to save the mask background to");
if (_path.Length != 0)
{
VegetationColorMaskCreator colorMaskCreator = (VegetationColorMaskCreator)target;
//Terrain selectedTerrain = _vegetationSystem.currentTerrain;
//if (selectedTerrain == null) return;
_cameraObject = new GameObject {
name = "Mask Background camera"
};
_textureResolution = colorMaskCreator.GetVegetationColorMaskQualityPixelResolution(colorMaskCreator
.VegetationColorMaskQuality);
_rt =
new RenderTexture(_textureResolution, _textureResolution, 24, RenderTextureFormat.ARGB32,
RenderTextureReadWrite.Linear)
{
wrapMode = TextureWrapMode.Clamp,
filterMode = FilterMode.Trilinear,
autoGenerateMips = false
};
_backgroundCamera = _cameraObject.AddComponent <Camera>();
_backgroundCamera.targetTexture = _rt;
_backgroundCamera.clearFlags = CameraClearFlags.Color;
_backgroundCamera.backgroundColor = colorMaskCreator.BackgroundColor;
_backgroundCamera.orthographic = true;
_backgroundCamera.orthographicSize = colorMaskCreator.AreaRect.size.x / 2f;
_backgroundCamera.farClipPlane = 20000;
_backgroundCamera.cullingMask = 1 << colorMaskCreator.InvisibleLayer;
_cameraObject.transform.position = new Vector3(colorMaskCreator.AreaRect.position.x, 0,
colorMaskCreator.AreaRect.position.y) +
new Vector3(colorMaskCreator.AreaRect.size.x / 2f, 1000,
colorMaskCreator.AreaRect.size.y / 2f);
_cameraObject.transform.rotation = Quaternion.Euler(90, 0, 0);
_backgroundCamera.Render();
Graphics.SetRenderTarget(_rt);
GL.Viewport(new Rect(0, 0, _rt.width, _rt.height));
GL.Clear(true, true, new Color(0, 0, 0, 0), 1f);
GL.PushMatrix();
GL.LoadProjectionMatrix(_backgroundCamera.projectionMatrix);
GL.modelview = _backgroundCamera.worldToCameraMatrix;
GL.PushMatrix();
List <VegetationCell> selectedCells = new List <VegetationCell>();
vegetationSystemPro.VegetationCellQuadTree.Query(colorMaskCreator.AreaRect, selectedCells);
RenderVegetation(selectedCells, vegetationSystemPro, colorMaskCreator);
GL.PopMatrix();
GL.PopMatrix();
PostProcessMask();
}
}
