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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using DigitalOpus.MB.Core;
namespace DigitalOpus.MB.MBEditor
{
public class MB_ReplacePrefabsInSceneEditorWindow : EditorWindow
{
private MB_ReplacePrefabsSettings model;
private SerializedObject soModel;
private SerializedProperty prefabPairs;
private SerializedProperty reverseSrcAndTarg;
private SerializedProperty enforceSrcAndTargHaveSameStructure;
Vector2 scrollViewPos;
private string errorMessages;
private string infoMessages;
private GUIContent GUI_replacePefabsInScene = new GUIContent("Replace Prefabs In Scene", "This will find all instances of the source prefabs in the scene and replace them with instances of the target prefabs." +
"Will attempt to copy component settings from the source to the target (ignoring references to project assets, those are left alone)." +
"Prefabs should have identical hierarchy and components for the copy component settings to work.");
private GUIContent GUI_switchSrcAndTarget = new GUIContent("Switch Source and Target Prefabs", "If this is checked then search the scene for target prefabs and replace them with source prefabs.");
private GUIContent GUI_enforceSrcAndTargetHaveSameStructure = new GUIContent("Enforce Source And Target Have Same Structure", "If this is checked then prefab instances will only be replaced if they have the same hierarchy and components. \n\n" +
"If it is not checked then prefabs can be very different and ONLY THE TRANSFORM, LAYERS, TAGS & STATIC FLAGS ARE COPIED.\n\n" +
"WARNING THIS IS A DESTRUCTIVE OPERARTION! BACK UP YOUR SCENE FIRST.");
[MenuItem("Window/Mesh Baker/Replace Prefabs In Scene")]
public static void ShowWindow()
{
GetWindow<MB_ReplacePrefabsInSceneEditorWindow>(true, "Replace Prefabs In Scene", true).Show();
}
public static void ShowWindow(MB3_BatchPrefabBaker.MB3_PrefabBakerRow[] prefabPairs)
{
MB_ReplacePrefabsInSceneEditorWindow window = GetWindow<MB_ReplacePrefabsInSceneEditorWindow>(true, "Replace Prefabs In Scene", true);
window.Show();
MB_ReplacePrefabsSettings.PrefabPair[] pps = new MB_ReplacePrefabsSettings.PrefabPair[prefabPairs.Length];
for (int i = 0; i < pps.Length; i++)
{
pps[i] = new MB_ReplacePrefabsSettings.PrefabPair()
{
enabled = true,
srcPrefab = prefabPairs[i].sourcePrefab,
targPrefab = prefabPairs[i].resultPrefab,
};
}
window.model.prefabsToSwitch = pps;
window.soModel.Update();
}
private void InitModel()
{
soModel = new SerializedObject(model);
prefabPairs = soModel.FindProperty("prefabsToSwitch");
reverseSrcAndTarg = soModel.FindProperty("reverseSrcAndTarg");
enforceSrcAndTargHaveSameStructure = soModel.FindProperty("enforceSrcAndTargHaveSameStructure");
infoMessages = "";
errorMessages = "";
}
private void OnEnable()
{
minSize = new Vector2(800f, 290f);
if (model == null)
{
model = ScriptableObject.CreateInstance<MB_ReplacePrefabsSettings>();
// Set the Hide flags so that this windows data not destroyed when entering playmode or a new scene.
model.hideFlags = HideFlags.DontSave;
}
InitModel();
}
private void OnGUI()
{
EditorGUILayout.BeginHorizontal();
MB_ReplacePrefabsSettings newModel = (MB_ReplacePrefabsSettings)EditorGUILayout.ObjectField("Settings", model, typeof(MB_ReplacePrefabsSettings), false);
if (newModel != model)
{
if (newModel != null)
{
model = newModel;
}
else
{
if (model == null) model = ScriptableObject.CreateInstance<MB_ReplacePrefabsSettings>();
// Set the Hide flags so that this windows data not destroyed when entering playmode or a new scene.
model.hideFlags = HideFlags.DontSave;
}
InitModel();
}
if (model != null)
{
if (GUILayout.Button("Save Settings", GUILayout.Width(200)))
{
string path = EditorUtility.SaveFilePanel("Save Settings", Application.dataPath, "ReplacePrefabSettings", "asset");
if (path != null)
{
model.hideFlags = HideFlags.None;
string relativepath = "Assets" + path.Substring(Application.dataPath.Length);
Debug.Log("Saved: " + relativepath);
AssetDatabase.CreateAsset(model, relativepath);
}
}
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
EditorGUILayout.Space();
soModel.Update();
if (GUILayout.Button(GUI_replacePefabsInScene))
{
if (EditorUtility.DisplayDialog("Replace Prefabs In Scene",
"Are you sure you want to replace all source prefab instances with the target prefab instances in this scene? \n\n" +
"It is highly recommended that you back up your scene before doing this.", "OK", "Cancel"))
{
ReplacePrefabsInScene();
}
}
float labelWidth = EditorGUIUtility.labelWidth;
EditorGUIUtility.labelWidth = 300f;
EditorGUILayout.PropertyField(reverseSrcAndTarg, GUI_switchSrcAndTarget);
EditorGUILayout.PropertyField(enforceSrcAndTargHaveSameStructure, GUI_enforceSrcAndTargetHaveSameStructure);
EditorGUIUtility.labelWidth = labelWidth;
if (infoMessages != "" || errorMessages != "")
{
EditorGUILayout.HelpBox(errorMessages + "\n" + infoMessages, errorMessages == "" ? MessageType.Info : MessageType.Error);
}
scrollViewPos = EditorGUILayout.BeginScrollView(scrollViewPos);
EditorGUILayout.PropertyField(prefabPairs, true);
EditorGUILayout.EndScrollView();
soModel.ApplyModifiedProperties();
}
private void ReplacePrefabsInScene()
{
MB_ReplacePrefabsInScene rp = new MB_ReplacePrefabsInScene();
rp.replaceEnforceStructure = model.enforceSrcAndTargHaveSameStructure;
int numReplaced = 0;
int numErrors = 0;
errorMessages = "";
infoMessages = "";
EditorUtility.DisplayProgressBar("Replace Prefabs In Scene", "Replace Prefabs In Scene", 0);
for (int i = 0; i < model.prefabsToSwitch.Length; i++)
{
MB_ReplacePrefabsSettings.PrefabPair pp = model.prefabsToSwitch[i];
pp.objsWithErrors.Clear();
if (pp.enabled)
{
GameObject src, targ;
if (model.reverseSrcAndTarg)
{
src = pp.targPrefab;
targ = pp.srcPrefab;
}
else
{
src = pp.srcPrefab;
targ = pp.targPrefab;
}
numReplaced += rp.ReplacePrefabInstancesInScene(src, targ, pp.objsWithErrors);
numErrors += pp.objsWithErrors.Count;
}
EditorUtility.DisplayProgressBar("Replace Prefabs In Scene", "Replace In Scene: " + pp.srcPrefab, (float)i / (float)model.prefabsToSwitch.Length);
}
EditorUtility.ClearProgressBar();
Debug.Log("Total prefab instances replaced: " + numReplaced);
infoMessages = "Total prefab instances replaced: " + numReplaced;
if (numErrors > 0)
{
errorMessages = "There were errors replacing some of the prefabs in the scene. See console for details.";
}
soModel.Update();
}
}
}
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