void SaveCombinedAsset()
{
// Create an asset describing all surfaces.
var targetPath = GetAndEnsureTargetPath(this);
var combinedAssetData = new List <NavMeshData>();
// Collect valid navmesh data.
foreach (var s in NavMeshSurface.activeSurfaces)
{
if (s.bakedNavMeshData != null)
{
combinedAssetData.Add(s.bakedNavMeshData);
}
}
// Clear the legacy navmesh data reference on the scene
if (NavMeshEditorHelpers.CurrentNavMeshAssetFormat() == NavMeshEditorHelpers.NavMeshDataFormat.Single)
{
NavMeshBuilder.ClearAllNavMeshes();
}
// Store baked navmesh data in one asset.
var combinedAssetPath = Path.Combine(targetPath, "NavMesh.asset");
if (combinedAssetData.Count == 0)
{
AssetDatabase.DeleteAsset(combinedAssetPath);
}
else
{
if (!File.Exists(combinedAssetPath))
{
// NOTE: Creates empty dummy NavMeshData to represent the main asset,
// this is done in order to show all the built meshes equally in the list.
var dummy = new NavMeshData();
AssetDatabase.CreateAsset(dummy, combinedAssetPath);
}
// Only add the data that has not been added already.
// Call to NavMeshSurface.Clear () also deletes the data from the asset.
foreach (var data in combinedAssetData)
{
if (!AssetDatabase.Contains(data))
{
AssetDatabase.AddObjectToAsset(data, combinedAssetPath);
}
}
AssetDatabase.SaveAssets();
AssetDatabase.ImportAsset(combinedAssetPath);
}
}
static void BakeButtons()
{
const float kButtonWidth = 95;
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
bool wasEnabled = GUI.enabled;
GUI.enabled &= !Application.isPlaying;
if (GUILayout.Button("Clear", GUILayout.Width(kButtonWidth)))
{
EditorNavMeshBuilder.ClearAllNavMeshes();
}
GUI.enabled = wasEnabled;
if (EditorNavMeshBuilder.isRunning)
{
if (GUILayout.Button("Cancel", GUILayout.Width(kButtonWidth)))
{
EditorNavMeshBuilder.Cancel();
}
}
else
{
wasEnabled = GUI.enabled;
GUI.enabled &= !Application.isPlaying;
if (GUILayout.Button("Bake", GUILayout.Width(kButtonWidth)))
{
EditorNavMeshBuilder.BuildNavMeshAsync();
}
GUI.enabled = wasEnabled;
}
GUILayout.EndHorizontal();
EditorGUILayout.Space();
}
