protected void OnEnable()
{
selectionBox = (Texture2D)EditorGUIUtility.Load("PrefabBrush/Selection-box.png");
m_SerializedObject = new SerializedObject(target);
m_Prefabs = m_SerializedObject.FindProperty("m_prefabs");
m_actPrefab = m_SerializedObject.FindProperty("activePrefab");
selGridIndex = -1;
prefabInsert = PrefabBlock.Empty;
}
public void InsertBlock(PrefabBlock block)
{
m_prefabs.Add(block);
}
public override void OnPaintInspectorGUI()
{
m_SerializedObject.UpdateIfRequiredOrScript();
scrollPos = EditorGUILayout.BeginScrollView(scrollPos);
var style = GetGUIStyle();
Vector2 itemsMargin = new Vector2(style.margin.horizontal / 2, style.margin.vertical / 2);
int rowLength = Mathf.Max(Mathf.FloorToInt(Screen.width / ButtonWidth), 1);
selGridIndex = GUILayout.SelectionGrid(
selGridIndex,
GetGUIContentFromItems(),
rowLength,
GetGUIStyle()
);
if (selGridIndex > -1)
{
m_actPrefab.objectReferenceValue = GetSelectedItem(selGridIndex);
if (Event.current.clickCount == 2)
{
EditorGUIUtility.PingObject(m_actPrefab.objectReferenceValue);
}
var gridRect = GUILayoutUtility.GetLastRect();
Rect selRect = new Rect(
gridRect.xMin + ((ButtonWidth + itemsMargin.x) * (selGridIndex % rowLength)),
gridRect.yMin + ((ButtonHeight + itemsMargin.y) * (selGridIndex / rowLength)),
ButtonWidth,
ButtonHeight);
GUI.DrawTexture(selRect, selectionBox);
if (DrawDeleteButton(selRect, 20))
{
prefabBrush.RemoveBlockAt(selGridIndex);
selGridIndex = -1;
}
}
GUILayout.EndScrollView();
if (toggleInsert = EditorGUILayout.Foldout(toggleInsert, "Add new tile", true, EditorStyles.foldout))
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.BeginVertical();
EditorGUIUtility.labelWidth = 50;
prefabInsert.prefab = (GameObject)EditorGUILayout.ObjectField("Prefab", prefabInsert.prefab, typeof(GameObject), false);
prefabInsert.name = (string)EditorGUILayout.TextField("Name", prefabInsert.name);
prefabInsert.display = (Texture2D)EditorGUILayout.ObjectField("Display", prefabInsert.display, typeof(Texture2D), false);
EditorGUIUtility.labelWidth = 0; //Reset labelWidth to default value
EditorGUILayout.EndVertical();
EditorGUI.BeginDisabledGroup(prefabInsert.prefab == null);
var addBtn = GUILayout.Button("+", GUILayout.Width(20f), GUILayout.Height(20f));
EditorGUI.EndDisabledGroup();
if (addBtn)
{
if (prefabInsert.name == "")
{
prefabInsert.name = prefabInsert.prefab.name;
}
if (prefabInsert.display == null)
{
prefabInsert.display = AssetPreview.GetAssetPreview(prefabInsert.prefab);
}
prefabBrush.InsertBlock(prefabInsert);
prefabInsert = PrefabBlock.Empty;
}
EditorGUILayout.EndHorizontal();
}
m_SerializedObject.ApplyModifiedPropertiesWithoutUndo();
}