A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using UnityEditor.SceneManagement;
3using UnityEngine;
4using UnityEngine.SceneManagement;
5using UnityEngine.Scripting.APIUpdating;
6using Object = UnityEngine.Object;
7
8namespace UnityEditor.Tilemaps
9{
10 /// <summary>Stores the selection made on a GridLayout.</summary>
11 [MovedFrom(true, "UnityEditor", "UnityEditor")]
12 [HelpURL("https://docs.unity3d.com/Manual/TilemapPainting-SelectionTool.html#GridSelect")]
13 [Serializable]
14 public class GridSelection : ScriptableObject
15 {
16 private static string kUpdateGridSelection = L10n.Tr("Update Grid Selection");
17
18 /// <summary>Callback for when the active GridSelection has changed.</summary>
19 public static event Action gridSelectionChanged;
20
21 [SerializeField]
22 private BoundsInt m_Position;
23 [SerializeField]
24 private GameObject m_Target;
25 [SerializeField]
26 private Object m_PreviousSelection;
27
28 [SerializeField]
29 private Scene m_Scene;
30 [SerializeField]
31 private GameObject m_OriginalPalette;
32
33 /// <summary>Whether there is an active GridSelection made on a GridLayout.</summary>
34 public static bool active { get { return Selection.activeObject is GridSelection && selection.m_Target != null; } }
35
36 private static GridSelection selection { get { return Selection.activeObject as GridSelection; } }
37
38 /// <summary>The cell coordinates of the active GridSelection made on the GridLayout.</summary>
39 public static BoundsInt position
40 {
41 get { return selection != null ? selection.m_Position : new BoundsInt(); }
42 set
43 {
44 if (selection != null && selection.m_Position != value)
45 {
46 RegisterUndo();
47 selection.m_Position = value;
48 if (gridSelectionChanged != null)
49 gridSelectionChanged();
50 }
51 }
52 }
53
54 /// <summary>The GameObject of the GridLayout where the active GridSelection was made.</summary>
55 public static GameObject target { get { return selection != null ? selection.m_Target : null; } }
56
57 /// <summary>The Grid of the target of the active GridSelection.</summary>
58 public static Grid grid { get { return selection != null && selection.m_Target != null ? selection.m_Target.GetComponentInParent<Grid>() : null; } }
59
60 /// <summary>Creates a new GridSelection and sets it as the active GridSelection.</summary>
61 /// <param name="target">The target GameObject for the GridSelection.</param>
62 /// <param name="bounds">The cell coordinates of selection made.</param>
63 public static void Select(Object target, BoundsInt bounds)
64 {
65 var newSelection = CreateInstance<GridSelection>();
66 newSelection.m_PreviousSelection = Selection.activeObject;
67 newSelection.m_Target = target as GameObject;
68 newSelection.m_Position = bounds;
69 newSelection.m_OriginalPalette = null;
70 Undo.RegisterCreatedObjectUndo(newSelection, kUpdateGridSelection);
71
72 var currentGroup = Undo.GetCurrentGroup();
73 Selection.activeObject = newSelection;
74 Undo.CollapseUndoOperations(currentGroup);
75
76 if (gridSelectionChanged != null)
77 gridSelectionChanged();
78 }
79
80 /// <summary>Clears the active GridSelection.</summary>
81 public static void Clear()
82 {
83 if (active)
84 {
85 RegisterUndo();
86 selection.m_Position = new BoundsInt();
87 if (selection.m_Scene.IsValid())
88 {
89 DestroyImmediate(selection.m_Target);
90 selection.m_Target = null;
91 selection.m_OriginalPalette = null;
92 EditorSceneManager.ClosePreviewScene(selection.m_Scene);
93 }
94 Selection.activeObject = selection.m_PreviousSelection;
95
96 if (gridSelectionChanged != null)
97 gridSelectionChanged();
98 }
99 }
100
101 internal static void SaveStandalone()
102 {
103 if (!selection.m_Scene.IsValid()
104 || selection.m_OriginalPalette == null
105 || selection.m_Target == null)
106 return;
107
108 TilePaletteSaveUtility.SaveTilePalette(selection.m_OriginalPalette, selection.m_Target.transform.root.gameObject);
109 }
110
111 internal static void TransferToStandalone(GameObject palette)
112 {
113 if (!active)
114 return;
115
116 if (!selection.m_Scene.IsValid())
117 {
118 selection.m_Scene = EditorSceneManager.NewPreviewScene();
119 if (!selection.m_Scene.IsValid())
120 throw new InvalidOperationException("Preview scene could not be created");
121 }
122
123 SceneManager.MoveGameObjectToScene(selection.m_Target.transform.root.gameObject, selection.m_Scene);
124 selection.m_OriginalPalette = palette;
125 }
126
127 internal static void RegisterUndo()
128 {
129 if (selection != null)
130 Undo.RegisterCompleteObjectUndo(selection, kUpdateGridSelection);
131 }
132
133 private void OnDisable()
134 {
135 Clear();
136 }
137 }
138}