protected virtual void SetupCanvas()
{
Canvas canvas = GetComponent <Canvas>();
if (canvas == null || canvas.renderMode != RenderMode.WorldSpace)
{
VRTK_Logger.Error(VRTK_Logger.GetCommonMessage(VRTK_Logger.CommonMessageKeys.REQUIRED_COMPONENT_MISSING_FROM_GAMEOBJECT, "VRTK_UICanvas", "Canvas", "the same", " that is set to `Render Mode = World Space`"));
return;
}
RectTransform canvasRectTransform = canvas.GetComponent <RectTransform>();
Vector2 canvasSize = canvasRectTransform.rect.size;
//copy public params then disable existing graphic raycaster
GraphicRaycaster defaultRaycaster = canvas.gameObject.GetComponent <GraphicRaycaster>();
VRTK_UIGraphicRaycaster customRaycaster = canvas.gameObject.GetComponent <VRTK_UIGraphicRaycaster>();
//if it doesn't already exist, add the custom raycaster
if (customRaycaster == null)
{
customRaycaster = canvas.gameObject.AddComponent <VRTK_UIGraphicRaycaster>();
}
if (defaultRaycaster != null && defaultRaycaster.enabled)
{
customRaycaster.ignoreReversedGraphics = defaultRaycaster.ignoreReversedGraphics;
customRaycaster.blockingObjects = defaultRaycaster.blockingObjects;
//Use Reflection to transfer the BlockingMask
customRaycaster.GetType().GetField("m_BlockingMask", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(customRaycaster, defaultRaycaster.GetType().GetField("m_BlockingMask", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(defaultRaycaster));
defaultRaycaster.enabled = false;
}
//add a box collider and background image to ensure the rays always hit
if (canvas.gameObject.GetComponent <BoxCollider>() == null)
{
Vector2 pivot = canvasRectTransform.pivot;
float zSize = 0.1f;
float zScale = zSize / canvasRectTransform.localScale.z;
canvasBoxCollider = canvas.gameObject.AddComponent <BoxCollider>();
canvasBoxCollider.size = new Vector3(canvasSize.x, canvasSize.y, zScale);
canvasBoxCollider.center = new Vector3(canvasSize.x / 2 - canvasSize.x * pivot.x, canvasSize.y / 2 - canvasSize.y * pivot.y, zScale / 2f);
canvasBoxCollider.isTrigger = true;
}
if (canvas.gameObject.GetComponent <Rigidbody>() == null)
{
canvasRigidBody = canvas.gameObject.AddComponent <Rigidbody>();
canvasRigidBody.isKinematic = true;
}
if (CREATE_DRAGGABLE_PANEL)
{
draggablePanelCreation = StartCoroutine(CreateDraggablePanel(canvas, canvasSize));
}
CreateActivator(canvas, canvasSize);
}
protected virtual void RemoveCanvas()
{
Canvas canvas = GetComponent <Canvas>();
if (canvas == null)
{
return;
}
GraphicRaycaster defaultRaycaster = canvas.gameObject.GetComponent <GraphicRaycaster>();
VRTK_UIGraphicRaycaster customRaycaster = canvas.gameObject.GetComponent <VRTK_UIGraphicRaycaster>();
//if a custom raycaster exists then remove it
if (customRaycaster != null)
{
Destroy(customRaycaster);
}
//If the default raycaster is disabled, then re-enable it
if (defaultRaycaster != null && !defaultRaycaster.enabled)
{
defaultRaycaster.enabled = true;
}
//Check if there is a collider and remove it if there is
if (canvasBoxCollider != null)
{
Destroy(canvasBoxCollider);
}
if (canvasRigidBody != null)
{
Destroy(canvasRigidBody);
}
if (draggablePanelCreation != null)
{
StopCoroutine(draggablePanelCreation);
}
Transform draggablePanel = canvas.transform.Find(CANVAS_DRAGGABLE_PANEL);
if (draggablePanel != null)
{
Destroy(draggablePanel.gameObject);
}
Transform frontTrigger = canvas.transform.Find(ACTIVATOR_FRONT_TRIGGER_GAMEOBJECT);
if (frontTrigger != null)
{
Destroy(frontTrigger.gameObject);
}
}
// Token: 0x06001A97 RID: 6807 RVA: 0x0008C2EC File Offset: 0x0008A4EC
protected virtual void SetupCanvas()
{
Canvas component = base.GetComponent <Canvas>();
if (!component || component.renderMode != RenderMode.WorldSpace)
{
VRTK_Logger.Error(VRTK_Logger.GetCommonMessage(VRTK_Logger.CommonMessageKeys.REQUIRED_COMPONENT_MISSING_FROM_GAMEOBJECT, new object[]
{
"VRTK_UICanvas",
"Canvas",
"the same",
" that is set to `Render Mode = World Space`"
}));
return;
}
RectTransform component2 = component.GetComponent <RectTransform>();
Vector2 sizeDelta = component2.sizeDelta;
GraphicRaycaster component3 = component.gameObject.GetComponent <GraphicRaycaster>();
VRTK_UIGraphicRaycaster vrtk_UIGraphicRaycaster = component.gameObject.GetComponent <VRTK_UIGraphicRaycaster>();
if (!vrtk_UIGraphicRaycaster)
{
vrtk_UIGraphicRaycaster = component.gameObject.AddComponent <VRTK_UIGraphicRaycaster>();
}
if (component3 && component3.enabled)
{
vrtk_UIGraphicRaycaster.ignoreReversedGraphics = component3.ignoreReversedGraphics;
vrtk_UIGraphicRaycaster.blockingObjects = component3.blockingObjects;
component3.enabled = false;
}
if (!component.gameObject.GetComponent <BoxCollider>())
{
Vector2 pivot = component2.pivot;
float num = 0.1f / component2.localScale.z;
this.canvasBoxCollider = component.gameObject.AddComponent <BoxCollider>();
this.canvasBoxCollider.size = new Vector3(sizeDelta.x, sizeDelta.y, num);
this.canvasBoxCollider.center = new Vector3(sizeDelta.x / 2f - sizeDelta.x * pivot.x, sizeDelta.y / 2f - sizeDelta.y * pivot.y, num / 2f);
this.canvasBoxCollider.isTrigger = true;
}
if (!component.gameObject.GetComponent <Rigidbody>())
{
this.canvasRigidBody = component.gameObject.AddComponent <Rigidbody>();
this.canvasRigidBody.isKinematic = true;
}
this.draggablePanelCreation = base.StartCoroutine(this.CreateDraggablePanel(component, sizeDelta));
this.CreateActivator(component, sizeDelta);
}
// Token: 0x06001A9A RID: 6810 RVA: 0x0008C61C File Offset: 0x0008A81C
protected virtual void RemoveCanvas()
{
Canvas component = base.GetComponent <Canvas>();
if (!component)
{
return;
}
GraphicRaycaster component2 = component.gameObject.GetComponent <GraphicRaycaster>();
VRTK_UIGraphicRaycaster component3 = component.gameObject.GetComponent <VRTK_UIGraphicRaycaster>();
if (component3)
{
Object.Destroy(component3);
}
if (component2 && !component2.enabled)
{
component2.enabled = true;
}
if (this.canvasBoxCollider)
{
Object.Destroy(this.canvasBoxCollider);
}
if (this.canvasRigidBody)
{
Object.Destroy(this.canvasRigidBody);
}
base.StopCoroutine(this.draggablePanelCreation);
Transform transform = component.transform.Find("VRTK_UICANVAS_DRAGGABLE_PANEL");
if (transform)
{
Object.Destroy(transform.gameObject);
}
Transform transform2 = component.transform.Find("VRTK_UICANVAS_ACTIVATOR_FRONT_TRIGGER");
if (transform2)
{
Object.Destroy(transform2.gameObject);
}
}