103 lines
3.3 KiB
C#
103 lines
3.3 KiB
C#
// Copyright (c) Wojciech Figat. All rights reserved.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using FlaxEngine;
|
|
|
|
namespace FlaxEditor.SceneGraph.Actors
|
|
{
|
|
/// <summary>
|
|
/// Scene tree node for <see cref="Terrain"/> actor type.
|
|
/// </summary>
|
|
[HideInEditor]
|
|
public sealed class TerrainNode : ActorNode
|
|
{
|
|
private struct RemovedTerrain
|
|
{
|
|
public Guid SceneId;
|
|
public Guid TerrainId;
|
|
public string[] Files;
|
|
}
|
|
|
|
private static List<RemovedTerrain> _cleanupFiles;
|
|
|
|
/// <inheritdoc />
|
|
public TerrainNode(Actor actor)
|
|
: base(actor)
|
|
{
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public override bool AffectsNavigation => true;
|
|
|
|
/// <inheritdoc />
|
|
public override void Delete()
|
|
{
|
|
// Schedule terrain data files for automatic cleanup
|
|
if (_cleanupFiles == null)
|
|
{
|
|
_cleanupFiles = new List<RemovedTerrain>();
|
|
Engine.RequestingExit += OnRequestingExit;
|
|
}
|
|
if (Actor is Terrain terrain)
|
|
{
|
|
var removed = new RemovedTerrain
|
|
{
|
|
SceneId = terrain.Scene?.ID ?? Guid.Empty,
|
|
TerrainId = terrain.ID,
|
|
Files = new string[4],
|
|
};
|
|
for (int i = 0; i < terrain.PatchesCount; i++)
|
|
{
|
|
var patch = terrain.GetPatch(i);
|
|
if (patch.Heightmap)
|
|
removed.Files[0] = patch.Heightmap.Path;
|
|
if (patch.Heightfield)
|
|
removed.Files[1] = patch.Heightfield.Path;
|
|
if (patch.GetSplatmap(0))
|
|
removed.Files[2] = patch.GetSplatmap(0).Path;
|
|
if (patch.GetSplatmap(1))
|
|
removed.Files[3] = patch.GetSplatmap(1).Path;
|
|
}
|
|
_cleanupFiles.Add(removed);
|
|
}
|
|
|
|
base.Delete();
|
|
}
|
|
|
|
void OnRequestingExit()
|
|
{
|
|
foreach (var e in _cleanupFiles)
|
|
{
|
|
try
|
|
{
|
|
// Skip removing this terrain file sif it's still referenced
|
|
var sceneReferences = Editor.GetAssetReferences(e.SceneId);
|
|
if (sceneReferences != null && sceneReferences.Contains(e.TerrainId))
|
|
{
|
|
Debug.Log($"Skip removing files used by terrain {e.TerrainId} on scene {e.SceneId} as it's still in use");
|
|
continue;
|
|
}
|
|
|
|
// Delete files
|
|
Debug.Log($"Removing files used by removed terrain {e.TerrainId} on scene {e.SceneId}");
|
|
foreach (var file in e.Files)
|
|
{
|
|
if (file != null && File.Exists(file))
|
|
File.Delete(file);
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Editor.LogWarning(ex);
|
|
}
|
|
}
|
|
_cleanupFiles.Clear();
|
|
_cleanupFiles = null;
|
|
Engine.RequestingExit -= OnRequestingExit;
|
|
}
|
|
}
|
|
}
|