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using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
namespace Thry
{
public class MaterialLinker
{
private static Dictionary<(Material,string), List<Material>> linked_materials;
private static void Load()
{
if (linked_materials == null)
{
linked_materials = new Dictionary<(Material,string), List<Material>>();
string raw = FileHelper.ReadFileIntoString(PATH.LINKED_MATERIALS_FILE);
string[][] parsed = Parser.ParseToObject<string[][]>(raw);
if(parsed!=null)
foreach (string[] material_cloud in parsed)
{
List<Material> materials = new List<Material>();
for (int i = 1; i < material_cloud.Length; i++)
{
string path = AssetDatabase.GUIDToAssetPath(material_cloud[i]);
Material m = AssetDatabase.LoadAssetAtPath<Material>(path);
if (m != null)
materials.Add(m);
}
foreach (Material m in materials)
if(linked_materials.ContainsKey((m, material_cloud[0])) == false)
linked_materials.Add((m, material_cloud[0]), materials);
}
}
}
private static void Save()
{
List<string[]> save_structre = new List<string[]>();
HashSet<(Material,string)> has_already_been_saved = new HashSet<(Material,string)>();
foreach (KeyValuePair<(Material,string),List<Material>> link in linked_materials)
{
if (has_already_been_saved.Contains(link.Key)) continue;
string[] value = new string[link.Value.Count + 1];
value[0] = link.Key.Item2;
int i = 1;
foreach (Material m in link.Value) {
has_already_been_saved.Add((m, link.Key.Item2));
value[i++] = UnityHelper.GetGUID(m);
}
save_structre.Add(value);
}
FileHelper.WriteStringToFile(Parser.ObjectToString(save_structre),PATH.LINKED_MATERIALS_FILE);
}
public static bool IsLinked(MaterialProperty p)
{
Load();
return linked_materials.ContainsKey(((Material)p.targets[0], p.name));
}
public static List<Material> GetLinked(MaterialProperty p)
{
return GetLinked((Material)p.targets[0], p);
}
public static List<Material> GetLinked(Material m, MaterialProperty p)
{
Load();
if (linked_materials.ContainsKey((m,p.name)))
return linked_materials[(m,p.name)];
return null;
}
public static void Link(Material master, Material add_to, MaterialProperty p)
{
Load();
Debug.Log("link " + master.name + "," + add_to.name);
bool containes_key1 = linked_materials.ContainsKey((master,p.name));
bool containes_key2 = linked_materials.ContainsKey((add_to,p.name));
if(containes_key1 && containes_key2)
{
Unlink(add_to, p);
Link(master, add_to, p);
return;
}
else if (containes_key1)
AddToListIfMaterialAlreadyLinked(master, add_to, p);
else if (containes_key2)
AddToListIfMaterialAlreadyLinked(add_to, master, p);
else
{
List<Material> value = new List<Material>();
value.Add(master);
value.Add(add_to);
linked_materials[(master,p.name)] = value;
linked_materials[(add_to,p.name)] = value;
}
}
private static void AddToListIfMaterialAlreadyLinked(Material existing, Material add, MaterialProperty p)
{
List<Material> value = linked_materials[(existing,p.name)];
value.Add(add);
linked_materials[(add,p.name)] = value;
}
public static void Unlink(Material m, MaterialProperty p)
{
Load();
List<Material> value = linked_materials[(m,p.name)];
value.Remove(m);
linked_materials.Remove((m,p.name));
}
private static void UpdateLinkList(List<Material> new_linked_materials, MaterialProperty p)
{
var key = (p.targets[0] as Material, p.name);
if (linked_materials.ContainsKey(key))
{
List<Material> old_materials = linked_materials[key];
foreach (Material m in old_materials)
linked_materials.Remove((m, p.name));
}
foreach (Material m in new_linked_materials)
linked_materials[(m, p.name)] = new_linked_materials;
}
public static void UnlinkAll(Material m)
{
List<(Material, string)> remove_keys = new List<(Material, string)>();
foreach (KeyValuePair<(Material,string), List<Material>> link_cloud in linked_materials)
{
if (link_cloud.Key.Item1 == m)
{
link_cloud.Value.Remove(m);
remove_keys.Add(link_cloud.Key);
}
}
foreach ((Material, string) k in remove_keys)
linked_materials.Remove(k);
RemoveEmptyLinks();
Save();
}
private static void RemoveEmptyLinks()
{
List<(Material, string)> remove_keys = new List<(Material, string)>();
foreach (KeyValuePair<(Material,string), List<Material>> link_cloud in linked_materials)
{
if (link_cloud.Value.Count < 2)
{
link_cloud.Value.Clear();
remove_keys.Add(link_cloud.Key);
}
}
foreach ((Material, string) k in remove_keys)
linked_materials.Remove(k);
}
private static MaterialLinkerPopupWindow window;
public static void Popup(Rect activeation_rect, List<Material> linked_materials, MaterialProperty p)
{
Vector2 pos = GUIUtility.GUIToScreenPoint(Event.current.mousePosition);
pos.x = Mathf.Min(EditorWindow.focusedWindow.position.x + EditorWindow.focusedWindow.position.width - 250, pos.x);
pos.y = Mathf.Min(EditorWindow.focusedWindow.position.y + EditorWindow.focusedWindow.position.height - 200, pos.y);
Load();
if (window != null)
window.Close();
window = ScriptableObject.CreateInstance<MaterialLinkerPopupWindow>();
window.position = new Rect(pos.x, pos.y, 250, 200);
window.Init(linked_materials, p);
window.ShowPopup();
}
private class MaterialLinkerPopupWindow : EditorWindow
{
private Vector2 scrollPos;
private List<Material> linked_materials;
private MaterialProperty materialProperty;
public void Init(List<Material> linked_materials, MaterialProperty p)
{
if (linked_materials == null)
linked_materials = new List<Material>();
this.linked_materials = new List<Material>(linked_materials);
string self_guid = UnityHelper.GetGUID((Material)p.targets[0]);
for (int i = this.linked_materials.Count - 1; i >= 0; i--)
{
if (UnityHelper.GetGUID(this.linked_materials[i]) == self_guid)
this.linked_materials.RemoveAt(i);
}
this.materialProperty = p;
}
public new Vector2 minSize = new Vector2(250, 200);
void OnGUI()
{
GUILayout.Label("Linked Materials", EditorStyles.boldLabel);
float listMaxHeight = this.position.height - 110;
GuiHelper.DrawListField<Material>(linked_materials, listMaxHeight, ref scrollPos);
GUILayout.Box("Drag and Drop new Material", EditorStyles.helpBox, GUILayout.MinHeight(30));
//Rect drag_rect = GUILayoutUtility.GetLastRect();
Rect lastRect = GUILayoutUtility.GetLastRect();
Rect drag_rect = new Rect(0, lastRect.y, Screen.width, Screen.height - lastRect.y - 30);
Event e = Event.current;
if ((e.type == EventType.DragPerform || e.type == EventType.DragUpdated) && drag_rect.Contains(e.mousePosition))
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (e.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();
HanldeDropEvent();
}
}
if (GUI.Button(new Rect(0,this.position.height-30,this.position.width,30),"Done"))
this.Close();
}
public void HanldeDropEvent()
{
foreach (string path in DragAndDrop.paths)
{
if (AssetDatabase.GetMainAssetTypeAtPath(path) == typeof(Material))
{
linked_materials.Add(AssetDatabase.LoadAssetAtPath<Material>(path));
}
}
}
void Awake()
{
}
void OnDestroy()
{
//add itself
bool contains_itself = false;
string self_guid = UnityHelper.GetGUID((Material)materialProperty.targets[0]);
for (int i = linked_materials.Count - 1; i >= 0; i--)
{
if (UnityHelper.GetGUID(linked_materials[i]) == self_guid)
contains_itself = true;
if (linked_materials[i] == null)
linked_materials.RemoveAt(i);
}
if (linked_materials.Count>0 && !contains_itself)
linked_materials.Add((Material)materialProperty.targets[0]);
UpdateLinkList(linked_materials, materialProperty);
Save();
}
}
}
}
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