/// <summary>
/// Returns metadata to build editor window
/// </summary>
/// <returns></returns>
public StateMachineMetadata GetMetadataAsset()
{
var asset = AssetDatabase.LoadAllAssetsAtPath(GetAssetPath()).OfType <StateMachineMetadata>().FirstOrDefault();
if (asset == null)
{
asset = StateMachineMetadata.Create();
AppendSubAsset(asset);
}
return(asset);
}
void OnGUI()
{
// Initialize
if (metaData == null)
{
metaData = StateMachineAsset.GetStateMachineAsset().Metadata;
}
if (!initDone)
{
InitStyles();
}
// Draw environment (inclusing zoom and position)
BeginMainWindow(metaData.WindowOffset, metaData.WindowZoomPivot, metaData.WindowZoom);
DrawGrid(displayArea, 20, 0.2f, Color.gray);
DrawGrid(displayArea, 100, 0.4f, Color.gray);
DrawLinkLines();
BeginWindows();
foreach (var node in metaData.StateNodes)
{
node.Center = GUI.Window(node.Id, node.Window, DrawNode, "", _nodeStyles.GetStyle(node)).center;
}
EndWindows();
DrawMouseLine();
EndMainWindow();
// Handle input (mouse and keyboard)
HandleEvents();
// Draw UI (top bars and instructions)
GUILayout.BeginVertical();
DrawToolBar();
GUILayout.FlexibleSpace();
GUILayout.BeginHorizontal();
GUILayout.Label(new GUIContent("Middle button to pan and zoom."));
GUILayout.FlexibleSpace();
GUILayout.Label(new GUIContent("Right click to create transitions"));
GUILayout.EndHorizontal();
GUILayout.EndVertical();
EditorUtility.SetDirty(metaData);
}