public void OnInspectorGUI()
{
GUILayout.BeginVertical("box");
{
EditorGUILayout.LabelField("Prefabs", GUIStyles.BoxTitleStyle);
GUILayout.BeginHorizontal();
{
GUILayout.BeginVertical();
{
// change background color in case there are no prefabs yet
if (gizmo.prefabSettingsList.Count == 0)
{
editor.SetErrorBackgroundColor();
}
// drop area
Rect prefabDropArea = GUILayoutUtility.GetRect(0.0f, 34.0f, GUIStyles.DropAreaStyle, GUILayout.ExpandWidth(true));
// drop area box with background color and info text
GUI.color = GUIStyles.DropAreaBackgroundColor;
GUI.Box(prefabDropArea, "Drop prefabs here in order to use them", GUIStyles.DropAreaStyle);
GUI.color = GUIStyles.DefaultBackgroundColor;
editor.SetDefaultBackgroundColor();
Event evt = Event.current;
switch (evt.type)
{
case EventType.DragUpdated:
case EventType.DragPerform:
if (prefabDropArea.Contains(evt.mousePosition))
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (evt.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();
// list of new prefabs that should be created via drag/drop
// we can't do it in the drag/drop code itself, we'd get exceptions like
// ArgumentException: Getting control 12's position in a group with only 12 controls when doing dragPerform. Aborting
// followed by
// Unexpected top level layout group! Missing GUILayout.EndScrollView/EndVertical/EndHorizontal? UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)
// they must be added when everything is done (currently at the end of this method)
editor.newDraggedPrefabs = new List <PrefabSettings>();
foreach (Object droppedObject in DragAndDrop.objectReferences)
{
// allow only prefabs
if (PrefabUtility.GetPrefabAssetType(droppedObject) == PrefabAssetType.NotAPrefab)
{
Debug.Log("Not a prefab: " + droppedObject);
continue;
}
// new settings
PrefabSettings prefabSettings = new PrefabSettings();
// initialize with dropped prefab
prefabSettings.prefab = droppedObject as GameObject;
editor.newDraggedPrefabs.Add(prefabSettings);
}
}
}
break;
}
}
GUILayout.EndVertical();
}
GUILayout.EndHorizontal();
for (int i = 0; i < gizmo.prefabSettingsList.Count; i++)
{
if (i > 0)
{
editor.addGUISeparator();
}
PrefabSettings prefabSettings = this.gizmo.prefabSettingsList[i];
GUILayout.BeginHorizontal();
{
// preview
// try to get the asset preview
Texture2D previewTexture = AssetPreview.GetAssetPreview(prefabSettings.prefab);
// if no asset preview available, try to get the mini thumbnail
if (!previewTexture)
{
previewTexture = AssetPreview.GetMiniThumbnail(prefabSettings.prefab);
}
// if a preview is available, paint it
if (previewTexture)
{
//GUILayout.Label(previewTexture, EditorStyles.objectFieldThumb, GUILayout.Width(50), GUILayout.Height(50)); // without border, but with size
GUILayout.Label(previewTexture, GUILayout.Width(50), GUILayout.Height(50)); // without border, but with size
//GUILayout.Box(previewTexture); // with border
//GUILayout.Label(previewTexture); // no border
//GUILayout.Box(previewTexture, GUILayout.Width(50), GUILayout.Height(50)); // with border and size
//EditorGUI.DrawPreviewTexture(new Rect(25, 60, 100, 100), previewTexture); // draws it in absolute coordinates
}
// right alin the buttons
GUILayout.FlexibleSpace();
if (GUILayout.Button("Add", EditorStyles.miniButton))
{
this.gizmo.prefabSettingsList.Insert(i + 1, new PrefabSettings());
}
if (GUILayout.Button("Duplicate", EditorStyles.miniButton))
{
PrefabSettings newPrefabSettings = prefabSettings.Clone();
this.gizmo.prefabSettingsList.Insert(i + 1, newPrefabSettings);
}
if (GUILayout.Button("Reset", EditorStyles.miniButton))
{
// remove existing
this.gizmo.prefabSettingsList.RemoveAt(i);
// add new
this.gizmo.prefabSettingsList.Insert(i, new PrefabSettings());
}
if (GUILayout.Button("Remove", EditorStyles.miniButton))
{
this.gizmo.prefabSettingsList.Remove(prefabSettings);
}
}
GUILayout.EndHorizontal();
GUILayout.Space(4);
prefabSettings.prefab = (GameObject)EditorGUILayout.ObjectField("Prefab", prefabSettings.prefab, typeof(GameObject), true);
prefabSettings.active = EditorGUILayout.Toggle("Active", prefabSettings.active);
prefabSettings.probability = EditorGUILayout.Slider("Probability", prefabSettings.probability, 0, 1);
// scale
prefabSettings.changeScale = EditorGUILayout.Toggle("Change Scale", prefabSettings.changeScale);
if (prefabSettings.changeScale)
{
prefabSettings.scaleMin = EditorGUILayout.FloatField("Scale Min", prefabSettings.scaleMin);
prefabSettings.scaleMax = EditorGUILayout.FloatField("Scale Max", prefabSettings.scaleMax);
}
// position
prefabSettings.positionOffset = EditorGUILayout.Vector3Field("Position Offset", prefabSettings.positionOffset);
// rotation
prefabSettings.rotationOffset = EditorGUILayout.Vector3Field("Rotation Offset", prefabSettings.rotationOffset);
prefabSettings.randomRotation = EditorGUILayout.Toggle("Random Rotation", prefabSettings.randomRotation);
// rotation limits
if (prefabSettings.randomRotation)
{
EditorGuiUtilities.MinMaxEditor(" Rotation Limit X", ref prefabSettings.rotationMinX, ref prefabSettings.rotationMaxX, 0, 360);
EditorGuiUtilities.MinMaxEditor(" Rotation Limit Y", ref prefabSettings.rotationMinY, ref prefabSettings.rotationMaxY, 0, 360);
EditorGuiUtilities.MinMaxEditor(" Rotation Limit Z", ref prefabSettings.rotationMinZ, ref prefabSettings.rotationMaxZ, 0, 360);
}
// VS Pro Id
#if VEGETATION_STUDIO_PRO
EditorGUI.BeginDisabledGroup(true);
EditorGUILayout.TextField("Asset GUID", prefabSettings.assetGUID);
EditorGUILayout.TextField("VSPro Id", prefabSettings.vspro_VegetationItemID);
EditorGUI.EndDisabledGroup();
#endif
}
}
GUILayout.EndVertical();
}