bool CreateNewPalette()
{
string filePath = EditorUtility.SaveFilePanelInProject("Create New Palette", "New Layer Palette.asset", "asset", "");
if (string.IsNullOrEmpty(filePath))
{
return(false);
}
m_SelectedLayerPalette = CreateInstance <TerrainPalette>();
foreach (var layer in m_PaletteLayers)
{
m_SelectedLayerPalette.PaletteLayers.Add(layer.AssignedLayer);
}
AssetDatabase.CreateAsset(m_SelectedLayerPalette, filePath);
AssetDatabase.SaveAssets();
AssetDatabase.Refresh();
return(true);
}
void LayersGUI()
{
if (m_SelectedTerrain != null && m_SelectedTerrain.terrainData.terrainLayers.Length == 0)
{
EditorGUILayout.HelpBox(Styles.LayersWarning, MessageType.Warning);
}
// Layer Palette preset
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(Styles.PalettePreset, GUILayout.Width(EditorGUIUtility.labelWidth - 4.5f));
EditorGUI.BeginChangeCheck();
m_SelectedLayerPalette = (TerrainPalette)EditorGUILayout.ObjectField(m_SelectedLayerPalette, typeof(TerrainPalette), false, GUILayout.MinWidth(130));
if (EditorGUI.EndChangeCheck() && m_SelectedLayerPalette != null)
{
if (EditorUtility.DisplayDialog("Confirm", "Load palette from selected?", "OK", "Cancel"))
{
LoadPalette();
}
}
if (GUILayout.Button(Styles.SavePaletteBtn))
{
if (GetPalette())
{
m_SelectedLayerPalette.PaletteLayers.Clear();
foreach (var layer in m_PaletteLayers)
{
m_SelectedLayerPalette.PaletteLayers.Add(layer.AssignedLayer);
}
AssetDatabase.SaveAssets();
}
}
if (GUILayout.Button(Styles.SaveAsPaletteBtn))
{
CreateNewPalette();
}
if (GUILayout.Button(Styles.RefreshPaletteBtn))
{
if (GetPalette())
{
LoadPalette();
}
}
EditorGUILayout.EndHorizontal();
// Reorderable list view
EditorGUILayout.BeginVertical("Box");
if (m_LayerList == null)
{
m_LayerList = new ReorderableList(m_PaletteLayers, typeof(Layer), true, true, false, false);
m_LayerList.elementHeight = kElementHeight;
m_LayerList.drawHeaderCallback = DrawHeader;
m_LayerList.drawElementCallback = DrawLayerElement;
m_LayerList.onSelectCallback = OnSelectLayerElement;
m_LayerList.onReorderCallbackWithDetails = OnReorderLayerElement;
}
CreateLayersIfNeeded();
m_LayerList.DoLayoutList();
// Layer creation
if (Event.current.commandName == "ObjectSelectorClosed" &&
EditorGUIUtility.GetObjectPickerControlID() == m_layerPickerWindowID)
{
m_PickedLayer = (TerrainLayer)EditorGUIUtility.GetObjectPickerObject();
}
if (m_PickedLayer != null && Event.current.type == EventType.Repaint)
{
TerrainLayer tempLayer = m_PickedLayer;
m_PickedLayer = null;
if (!LayerExists(tempLayer))
{
AddLayerElement(tempLayer);
}
}
if (Event.current.commandName == "ObjectSelectorClosed" &&
EditorGUIUtility.GetObjectPickerControlID() == m_objPickerWindowID)
{
m_layerTexture = (Texture2D)EditorGUIUtility.GetObjectPickerObject();
}
if (m_layerTexture != null && Event.current.type == EventType.Repaint)
{
Texture2D tempTexture = m_layerTexture;
m_layerTexture = null;
CreateNewLayerWithTexture(tempTexture);
}
// Control buttons
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginDisabledGroup(!CanAddLayerElement());
if (GUILayout.Button("Add Layer", GUILayout.Height(20)))
{
m_layerPickerWindowID = EditorGUIUtility.GetControlID(FocusType.Passive) + 200; // had to bump this to make it unique
EditorGUIUtility.ShowObjectPicker <TerrainLayer>(null, false, "", m_layerPickerWindowID);
}
EditorGUI.EndDisabledGroup();
if (GUILayout.Button("Remove Layer", GUILayout.Height(20)) &&
EditorUtility.DisplayDialog("Warning", "Splatmap data changed by this layer will be lost.", "OK", "Cancel"))
{
RemoveLayerElement();
}
if (GUILayout.Button(Styles.RemoveLayersBtn, GUILayout.Height(20)) &&
EditorUtility.DisplayDialog("Error", "Splatmap data changed by these layers will be lost.", "OK", "Cancel"))
{
RemoveSelectedLayerElements();
}
EditorGUILayout.EndHorizontal();
// Create new layer
EditorGUILayout.Space();
EditorGUILayout.BeginHorizontal();
m_LayerName = EditorGUILayout.TextField(Styles.NewLayer, m_LayerName);
if (GUILayout.Button(Styles.CreateLayersBtn, GUILayout.Width(85), GUILayout.Height(20)))
{
m_objPickerWindowID = EditorGUIUtility.GetControlID(FocusType.Passive) + 100; // had to bump this to make it unique
EditorGUIUtility.ShowObjectPicker <Texture2D>(null, false, "", m_objPickerWindowID);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space();
EditorGUILayout.EndVertical();
}
