void GenerateMaskBackground(Rect area)
{
string path = EditorUtility.SaveFilePanelInProject("Save mask background", "", "png",
"Please enter a file name to save the mask background to");
if (path.Length != 0)
{
MaskBackgroundCreator maskBackgroundCreator = (MaskBackgroundCreator)target;
GameObject cameraObject = new GameObject {
name = "Mask Background camera"
};
int textureResolution =
maskBackgroundCreator.GetBackgroundMaskQualityPixelResolution(maskBackgroundCreator
.BackgroundMaskQuality);
float factor = area.width / area.height;
int textureWidth = textureResolution;
int textureHeight = Mathf.RoundToInt(textureResolution / factor);
Camera backgroundCamera = cameraObject.AddComponent <Camera>();
backgroundCamera.orthographic = true;
backgroundCamera.orthographicSize = area.size.x / 2f / factor;
backgroundCamera.farClipPlane = 20000;
RenderTexture rt =
new RenderTexture(textureWidth, textureHeight, 24, RenderTextureFormat.ARGB32,
RenderTextureReadWrite.Linear)
{
wrapMode = TextureWrapMode.Clamp,
filterMode = FilterMode.Trilinear,
autoGenerateMips = false
};
backgroundCamera.targetTexture = rt;
cameraObject.transform.position = new Vector3(area.center.x, 0, area.center.y) +
new Vector3(0, 1000, 0);
cameraObject.transform.rotation = Quaternion.Euler(90, 0, 0);
backgroundCamera.Render();
Texture2D newTexture = new Texture2D(textureWidth, textureHeight);
RenderTexture.active = rt;
newTexture.ReadPixels(new Rect(0, 0, textureWidth, textureHeight), 0, 0);
RenderTexture.active = null;
newTexture.Apply();
SaveTexture(newTexture, path);
backgroundCamera.targetTexture = null;
DestroyImmediate(rt);
DestroyImmediate(cameraObject);
}
}
public override void OnInspectorGUI()
{
base.ShowLogo = false;
HelpTopic = "background-mask-creator";
base.OnInspectorGUI();
MaskBackgroundCreator maskBackgroundCreator = (MaskBackgroundCreator)target;
VegetationSystemPro vegetationSystemPro =
maskBackgroundCreator.gameObject.GetComponent <VegetationSystemPro>();
if (vegetationSystemPro)
{
GUILayout.BeginVertical("box");
maskBackgroundCreator.AreaRect = EditorGUILayout.RectField("Area", maskBackgroundCreator.AreaRect);
EditorGUILayout.HelpBox(
"You can snap the area to any added terrain, total world area or manually setting the area for generation.",
MessageType.Info);
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
GUILayout.BeginHorizontal();
string[] terrains = new string[vegetationSystemPro.VegetationStudioTerrainList.Count];
for (int i = 0; i <= vegetationSystemPro.VegetationStudioTerrainList.Count - 1; i++)
{
terrains[i] = vegetationSystemPro.VegetationStudioTerrainObjectList[i].name;
}
_selectedTerrainIndex = EditorGUILayout.Popup("Select terrain", _selectedTerrainIndex, terrains);
if (GUILayout.Button("Snap to terrain", GUILayout.Width(120)))
{
IVegetationStudioTerrain iVegetationStudioTerrain =
vegetationSystemPro.VegetationStudioTerrainList[_selectedTerrainIndex];
Bounds bounds = iVegetationStudioTerrain.TerrainBounds;
maskBackgroundCreator.AreaRect = RectExtension.CreateRectFromBounds(bounds);
}
GUILayout.EndHorizontal();
if (GUILayout.Button("Snap to world area"))
{
maskBackgroundCreator.AreaRect =
RectExtension.CreateRectFromBounds(vegetationSystemPro.VegetationSystemBounds);
}
EditorGUILayout.HelpBox(
"You can snap the area to any added terrain, total world area or manually setting the rect.",
MessageType.Info);
GUILayout.EndVertical();
maskBackgroundCreator.BackgroundMaskQuality =
(BackgroundMaskQuality)EditorGUILayout.EnumPopup("Mask resolution",
maskBackgroundCreator.BackgroundMaskQuality);
EditorGUILayout.HelpBox(
"Pixel resolution of the mask background. Low = 1024x1024, Normal = 2048x2048 and High =4096x4096",
MessageType.Info);
if (GUILayout.Button("Generate mask background/template"))
{
GenerateMaskBackground(maskBackgroundCreator.AreaRect);
}
}
else
{
EditorGUILayout.HelpBox("Add this component to a GameObject with a VegetationSystemPro component.",
MessageType.Error);
}
}