private void GenerateObstacleMask()
{
string path = EditorUtility.SaveFilePanelInProject("Save mask background", "", "png",
"Please enter a file name to save the mask background to");
if (path.Length != 0)
{
ObstacleMaskCreator obstacleMaskCreator = (ObstacleMaskCreator)target;
int textureResolution =
obstacleMaskCreator.GetObstacleMaskQualityPixelResolution(obstacleMaskCreator.ObstacleMaskQuality);
Texture2D obstacleMaskTexture = new Texture2D(textureResolution, textureResolution,
TextureFormat.ARGB32,
false, true);
float cellSize = obstacleMaskCreator.AreaRect.size.x / textureResolution;
Vector3 terrainCorner = new Vector3(obstacleMaskCreator.AreaRect.position.x, 0, obstacleMaskCreator.AreaRect.position.y);// - new Vector3(vegetationSystem.UnityTerrainData.size.x/2f,0, vegetationSystem.UnityTerrainData.size.z / 2f);
for (int x = 0; x <= textureResolution - 1; x++)
{
if (x % 100 == 0)
{
EditorUtility.DisplayProgressBar("Generate obstacle mask ", "Raycast for obstacles", (float)x / textureResolution);
}
for (int z = 0; z <= textureResolution - 1; z++)
{
RaycastHit hit;
Ray ray = new Ray(new Vector3(x * cellSize, 10000, z * cellSize) + terrainCorner, Vector3.down);
if (Physics.SphereCast(ray, (0.5f * cellSize) + obstacleMaskCreator.MinimumDistance, out hit, float.MaxValue, obstacleMaskCreator.LayerMask))
{
if (!(hit.collider is TerrainCollider))
{
obstacleMaskTexture.SetPixel(x, z, Color.black);
}
}
}
}
EditorUtility.ClearProgressBar();
obstacleMaskTexture.Apply();
SaveTexture(obstacleMaskTexture, path);
}
}
public override void OnInspectorGUI()
{
HelpTopic = "obstacle-mask-creator";
ShowLogo = false;
ObstacleMaskCreator obstacleMaskCreator = (ObstacleMaskCreator)target;
VegetationSystemPro vegetationSystem = obstacleMaskCreator.gameObject.GetComponent <VegetationSystemPro>();
if (!vegetationSystem)
{
EditorGUILayout.HelpBox("Add this component to a GameObject with a VegetationSystem component.",
MessageType.Error);
return;
}
base.OnInspectorGUI();
if (vegetationSystem)
{
GUILayout.BeginVertical("box");
obstacleMaskCreator.AreaRect = EditorGUILayout.RectField("Area", obstacleMaskCreator.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[vegetationSystem.VegetationStudioTerrainList.Count];
for (int i = 0; i <= vegetationSystem.VegetationStudioTerrainList.Count - 1; i++)
{
terrains[i] = vegetationSystem.VegetationStudioTerrainObjectList[i].name;
}
_selectedTerrainIndex = EditorGUILayout.Popup("Select terrain", _selectedTerrainIndex, terrains);
if (GUILayout.Button("Snap to terrain", GUILayout.Width(120)))
{
IVegetationStudioTerrain iVegetationStudioTerrain =
vegetationSystem.VegetationStudioTerrainList[_selectedTerrainIndex];
Bounds bounds = iVegetationStudioTerrain.TerrainBounds;
obstacleMaskCreator.AreaRect = RectExtension.CreateRectFromBounds(bounds);
}
GUILayout.EndHorizontal();
if (GUILayout.Button("Snap to world area"))
{
obstacleMaskCreator.AreaRect =
RectExtension.CreateRectFromBounds(vegetationSystem.VegetationSystemBounds);
}
EditorGUILayout.HelpBox(
"You can snap the area to any added terrain, total world area or manually setting the rect.",
MessageType.Info);
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
EditorGUILayout.LabelField("Settings", LabelStyle);
obstacleMaskCreator.ObstacleMaskQuality =
(ObstacleMaskQuality)EditorGUILayout.EnumPopup("Mask resolution",
obstacleMaskCreator.ObstacleMaskQuality);
EditorGUILayout.HelpBox(
"Pixel resolution of the obstacle mask. Low = 1024x1024, Normal = 2048x2048, High = 4096x4096 and Ultra = 8192x8192",
MessageType.Info);
obstacleMaskCreator.LayerMask = LayerMaskField("Obstacle layers", obstacleMaskCreator.LayerMask);
obstacleMaskCreator.MinimumDistance =
EditorGUILayout.Slider("Minimum distance", obstacleMaskCreator.MinimumDistance, 0, 10);
GUILayout.EndVertical();
GUILayout.BeginVertical("box");
if (GUILayout.Button("Generate obstacle mask"))
{
GenerateObstacleMask();
}
GUILayout.EndVertical();
}
}
