Prefabs

src/Loader.cs

@@ -439,12 +439,12 @@ public static void UpdateSprite(string name)
 				}
 			}
 
-			Plugin.logger.LogInfo($"Registered sprite data from {mod.id} mod");
+			Plugin.logger.LogInfo($"Registered sprite info from {mod.id} mod");
 			return deserialized;
 		}
 		catch (Exception e)
 		{
-			Plugin.logger.LogError($"Error on loading sprite data from {mod.id} mod: {e.Message}");
+			Plugin.logger.LogError($"Error on loading sprite info from {mod.id} mod: {e.Message}");
 			return null;
 		}
 	}
@@ -458,6 +458,31 @@ public static void LoadAudioFile(Mod mod, Mod.File file)
 		// TODO: issue #71
 	}
 
+	public static void LoadPrefabInfoFile(Mod mod, Mod.File file)
+	{
+		try
+		{
+			string name = Path.GetFileNameWithoutExtension(file.name);
+			var options = new JsonSerializerOptions
+			{
+				PropertyNameCaseInsensitive = true
+			};
+
+			Visual.PrefabInfo? prefab = JsonSerializer.Deserialize<Visual.PrefabInfo>(file.bytes, options);
+
+			if (prefab != null)
+			{
+				Console.WriteLine(prefab);
+				Registry.prefabInfos.Add(name, prefab);
+				Plugin.logger.LogInfo($"Registered prefab info from {mod.id} mod");
+			}
+		}
+		catch (Exception e)
+		{
+			Plugin.logger.LogError($"Error on loading prefab info from {mod.id} mod: {e.Message}");
+		}
+	}
+
 	public static void LoadGameLogicDataPatch(Mod mod, JObject gld, JObject patch)
 	{
 		try

src/Managers/Main.cs

@@ -359,6 +359,14 @@
 					);
 					continue;
 				}
+				if (Regex.IsMatch(Path.GetFileName(file.name), @"^prefab(_.*)?\.json$"))
+				{
+					Loader.LoadPrefabInfoFile(
+						mod,
+						file
+					);
+					continue;
+				}
 
 				switch (Path.GetExtension(file.name))
 				{
@@ -381,5 +389,104 @@
 		}
 		stopwatch.Stop();
 		Plugin.logger.LogInfo($"Loaded all mods in {stopwatch.ElapsedMilliseconds}ms");
+		Unit baseUnit = PrefabManager.units[GetSkinnedHashKey(2, SkinType.Default)];
+		if (baseUnit != null)
+		{
+			foreach (System.Collections.Generic.KeyValuePair<string, PolyMod.Managers.Visual.PrefabInfo> valuePair in Registry.prefabInfos)
+			{
+				Console.Write(valuePair.Key);
+				PolyMod.Managers.Visual.PrefabInfo info = valuePair.Value;
+				SkinVisualsReference? skinComp = baseUnit.GetComponent<SkinVisualsReference>();
+				if (skinComp != null)
+				{
+					Transform head = KeepOnlyChildByName(baseUnit.transform, "Head");
+					skinComp.visualParts = new Il2CppInterop.Runtime.InteropTypes.Arrays.Il2CppReferenceArray<SkinVisualsReference.VisualPart>(1);
+					SkinVisualsReference.VisualPart visualPart = new SkinVisualsReference.VisualPart();
+					visualPart.DefaultSpriteName = "head";
+					visualPart.visualPart = head.gameObject;
+					skinComp.visualParts[0] = visualPart;
+					PrefabManager.units[GetSkinnedHashKey(53, SkinType.Default)] = baseUnit;
+				}
+			}
+		}
+		else
+		{
+			Console.Write("NULLLLLLLL");
+		}
+	}
+
+	public static Transform KeepOnlyChildByName(Transform parent, string nameToKeep)
+	{
+		Console.Write("0");
+		var spriteContainer = parent.GetChild(0);
+		Console.Write("1");
+		int childCount = spriteContainer.childCount;
+		Transform? toReturn = null;
+		for (int i = 0; i < childCount; i++)
+		{
+			var child = spriteContainer.GetChild(i);
+			Console.Write(child.gameObject.name);
+			if (child.gameObject.name != nameToKeep)
+			{
+				GameObject.Destroy(child.gameObject);
+			}
+			else
+			{
+				toReturn = child.transform;
+			}
+		}
+		return toReturn;
+	}
+
+	private static void GetTypeAndSkin(int hash, out int type, out SkinType skin)
+	{
+		skin = (SkinType)(hash / 1000);
+		type = hash % 1000;
+	}
+
+	private static int GetSkinnedHashKey(int type, SkinType skin)
+	{
+		return type + ((int)skin * 1000);
+	}
+
+	public static void GetPrefabTree(Transform transform, int depth)
+	{
+		if (transform == null) return;
+
+		GameObject obj = transform.gameObject;
+		string indent = new string(' ', depth * 2);
+		Console.WriteLine($"{indent}GameObject: {obj.name}");
+
+		var components = obj.GetComponents<Component>();
+		foreach (var comp in components)
+		{
+			if (comp == null) continue;
+
+			var typeName = comp.GetIl2CppType().Name;
+
+			if (typeName == "SkinVisualsReference")
+			{
+				SkinVisualsReference? skinComp = comp.TryCast<SkinVisualsReference>();
+				if (skinComp != null)
+				{
+					Console.WriteLine($"{indent}- Component: {typeName}");
+					foreach (SkinVisualsReference.VisualPart part in skinComp.visualParts)
+					{
+						if (part.visualPart == null) continue;
+						Console.WriteLine($"{indent}- VS: {part.visualPart.GetIl2CppType().Name}");
+						Console.WriteLine($"{indent}- VS: {part.DefaultSpriteName}");
+						Console.WriteLine($"{indent}- VS: {part.visualPart.transform.position}");
+						part.visualPart.transform.position = new Vector3(0, 0, 0);
+					}
+				}
+			}
+		}
+
+		int childCount = transform.childCount;
+		for (int i = 0; i < childCount; i++)
+		{
+			var child = transform.GetChild(i);
+			GetPrefabTree(child, depth + 1);
+		}
 	}
 }

src/Managers/Visual.cs

@@ -33,6 +33,8 @@ public class PreviewTile
 	}
 	public record SpriteInfo(float? pixelsPerUnit, Vector2? pivot);
 	public record SkinInfo(int idx, string id, SkinData? skinData);
+	public record PrefabInfo(string type, string name, List<VisualPartInfo> visualParts);
+	public record VisualPartInfo(string baseName, Vector3 coordinates);
 	public static Dictionary<int, int> basicPopupWidths = new();
 	private static bool firstTimeOpeningPreview = true;
 	private static UnitData.Type currentUnitTypeUI = UnitData.Type.None;
@@ -96,7 +98,6 @@ void GetAtlas(SpriteAtlas spriteAtlas)
 	private static void SpriteAtlasManager_DoSpriteLookup(ref SpriteAtlasManager.SpriteLookupResult __result, SpriteAtlasManager __instance, string baseName, TribeData.Type tribe, SkinType skin, bool checkForOutline, int level)
 	{
 		baseName = Util.FormatSpriteName(baseName);
-
 		Sprite? sprite = Registry.GetSprite(baseName, Util.GetStyle(tribe, skin), level);
 		if (sprite != null)
 			__result.sprite = sprite;

src/Registry.cs

@@ -14,6 +14,7 @@ public static class Registry
 	internal static Dictionary<string, Mod> mods = new();
 	public static Dictionary<string, Visual.PreviewTile[]> tribePreviews = new();
 	public static Dictionary<string, Visual.SpriteInfo> spriteInfos = new();
+	public static Dictionary<string, Visual.PrefabInfo> prefabInfos = new();
 	public static Dictionary<string, AssetBundle> assetBundles = new();
 	public static List<TribeData.Type> customTribes = new();
 	public static List<Visual.SkinInfo> skinInfo = new();