/// <summary>Clears and entirely destroys the UI and WorldUI's. Calling this is not a requirement and can only be reversed by calling Start again.</summary>
public static void Destroy(){
ClearAll();
if(GUINode!=null){
GameObject.Destroy(GUINode);
GUINode=null;
GUICamera=null;
CameraNode=null;
CameraTransform=null;
}
if(GlobalUpdater!=null){
GameObject.Destroy(GlobalUpdater);
GlobalUpdater=null;
}
Started=false;
Variables=null;
LastWorldUI=null;
FirstWorldUI=null;
// Clear batch pool:
UIBatchPool.Clear();
}
/// <summary>Used internally - don't call this one. Startup the UI for use in the Editor with AOT Nitro.</summary>
/// <param name="nitroAot">True if no gameobject should be generated.</param>
public static void Start(bool nitroAot){
if(!Started){
Started=true;
// Setup atlas stacks:
AtlasStacks.Start();
// Hookup the wrench logging method:
Wrench.Log.OnLog+=OnLogMessage;
// Hookup the InfiniText logging method:
InfiniText.Fonts.OnLog+=OnLogMessage;
// Startup the tag handlers:
Wrench.TagHandlers.Setup();
// Startup the file protocols (internally also starts up the CSS engine):
FileProtocols.Setup();
// Setup the text/language service:
if(Variables==null){
Variables=new FullVariableSet();
if(!nitroAot){
// Sign up to the variable on change event - whenever a custom var is changed, we need to refresh the screen.
Variables.OnChange+=OnVariableChange;
// Ensure that variables is set to whatever the default/current language is.
OnLanguageChange(Wrench.Text.Language);
// Sign on to the event that occurs when the language changes.
Wrench.Text.OnLanguageChanged+=OnLanguageChange;
// Sign on to the event that occurs when the gender changes.
Wrench.Text.OnGenderChanged+=ResolveAllVariables;
}
}
// Setup the callback queue:
Callbacks.Start();
// Setup the character providers (for e.g. Emoji):
CharacterProviders.Setup();
Layer=LayerMask.NameToLayer("PowerUI");
if(Layer<0){
// Invalid layer.
#if UNITY_EDITOR
// Create the new layer now (this will actually be a permanent change):
Layer=PowerUI.LayerManager.Add();
#else
throw new Exception("Error: PowerUI layer not found. Go to Edit->Project Settings->Tags and add a layer called PowerUI to fix this."+
" Don't forget to make sure it doesn't render with your main camera too!"
);
#endif
}
// Default FPS:
SetRate(DefaultRate);
#if !NoNitroRuntime
// Setup the compiler:
NitroCode.Setup();
#endif
}
if(nitroAot){
return;
}
GUINode=GameObject.Find("#PowerUI");
if(GUINode==null){
// Not started yet.
// Create the UI game object:
GUINode=new GameObject();
GUINode.name="#PowerUI";
// Create the camera:
CameraNode=new GameObject();
CameraNode.name="Camera";
// Create the updater:
GlobalUpdater=GUINode.AddComponent<StandardUpdater>();
// Setup the camera:
GUICamera=CameraNode.AddComponent<Camera>();
}else{
// Already started, but we might have updated.
if(CameraNode==null){
// This can happen if the PowerUI assembly is actively reloaded (e.g. runtime updates).
CameraNode=GameObject.Find("#PowerUI/Camera");
CameraTransform=CameraNode.transform;
GUICamera=CameraNode.GetComponent<Camera>();
}else{
// Already started!
return;
}
}
// Hide the PowerUI layer from all cameras other than GUICamera:
Camera[] cameras=Camera.allCameras;
int layerMask=~(1<<UI.Layer);
for(int i=0;i<cameras.Length;i++){
// Grab the camera:
Camera camera=cameras[i];
// Is it the GUICamera?
if(camera==GUICamera){
continue;
}
// Hide the UI layer from it:
camera.cullingMask&=layerMask;
}
// Setup the transform:
CameraTransform=CameraNode.transform;
CameraTransform.parent=GUINode.transform;
GUICamera.nearClipPlane=0.2f;
GUICamera.depth=CameraDepth;
GUICamera.clearFlags=CameraClearFlags.Depth;
GUICamera.cullingMask=(1<<UI.Layer);
GUICamera.renderingPath=RenderingPath.Forward;
SetCameraDistance(60f);
SetFieldOfView(60f);
Renderer=new Renderman();
// Render Mesh.OutputGameObject with the GUI camera:
Renderer.RenderWithCamera(UI.Layer);
document=Renderer.RootDocument;
document.window.top=document.window;
// Some overriding default UI settings:
document.html.Style.Computed.ChangeTagProperty("color",new PowerUI.Css.Value("#ffffff",PowerUI.Css.ValueType.Color));
document.html.Style.Computed.ChangeTagProperty("font-size",new PowerUI.Css.Value("14px",PowerUI.Css.ValueType.Pixels));
document.body.Style.Computed.ChangeTagProperty("overflow",new PowerUI.Css.Value("hidden hidden",PowerUI.Css.ValueType.Point));
UpdateTextDirection();
// Fire the camera event:
CameraGotCreated(GUICamera);
}