void Start()
{
rect = GetComponent <RectTransform>();
if (style == null)
{
style = new TooltipStyleOptions();
}
}
/// <summary>
/// Creates the new Tooltip.
/// </summary>
/// <returns>The new.</returns>
/// <param name="toDisplay">String to display.</param>
/// <param name="parent">Parent.</param>
/// <param name="position">Position in screen space.</param>
/// <param name="toFollow">Object to stay on top of.</param>
/// <param name="offset">Offset from followed object..</param>
/// <param name="exitText">Exit text.</param>
/// <param name="exitChoices">Exit choices.</param>
/// <param name="exitCallbacks">Exit callbacks.</param>
/// <param name="onCreation">On creation callback. Accepts the created Tooltip's GameObject as a parameter.</param>
/// <param name="onDestruction">On destruction callback. Accepts the created Tooltip's GameObject as a parameter.</param>
/// <param name="style">Style.</param>
/// <param name="toCreate">Prefab to create.</param>
/// <param name="destroyAfter">Destroy after a given number of seconds (-1 = never)</param>
/// <param name="subsequentTooltips">Shortcut to subsequent tooltips. Useful for tutorials that don't require special placement, for instance.</param>
public static Tooltip CreateNew(string toDisplay = "", RectTransform parent = null, Vector3 position = default(Vector3),
Transform toFollow = null, Vector3 offset = default(Vector3),
string exitText = "Continue", string[] exitChoices = null, TooltipCallback[] exitCallbacks = null,
TooltipCallback onCreation = null, TooltipCallback onDestruction = null,
TooltipStyleOptions style = null, Tooltip toCreate = null, float destroyAfter = -1f,
string[] subsequentTooltips = null)
{
// Look for Tooltips component in the scene
Tooltips tooltipsMaster = FindObjectOfType <Tooltips>();
if (tooltipsMaster == null)
{
// Create Tooltips master component if it doesn't exist
GameObject g = new GameObject("Tooltip Master", typeof(Tooltips));
tooltipsMaster = g.GetComponent <Tooltips>();
}
// Set prefab to instantiate
if (tooltipsMaster.prefab == null)
{
tooltipsMaster.prefab = Resources.Load <GameObject>(defaultPrefabPath);
}
// Set GameObject to instantiate
Tooltip toInstantiate = (toCreate == default(Tooltip) ? tooltipsMaster.prefab.GetComponent <Tooltip>() : toCreate);
// Instantiate tooltip
GameObject newTooltip = Instantiate <GameObject>(toInstantiate.gameObject) as GameObject;
// Make sure new tooltip has Tooltip component
Tooltip tooltip = SaFrMo.GetOrCreate <Tooltip> (newTooltip);
RectTransform tooltipRecTransform = newTooltip.GetComponent <RectTransform>();
// OnCreate callback
if (onCreation != null)
{
onCreation.Invoke(newTooltip);
}
// Set text to display
if (toDisplay.Length > 0)
{
tooltip.SetDisplayText(toDisplay);
}
// Save OnDestruction callback
if (onDestruction != null)
{
tooltip.onDestruction = onDestruction;
}
// Set parent
if (parent == null)
{
Canvas c = FindObjectsOfType <Canvas>().FirstOrDefault(x => x.renderMode != RenderMode.WorldSpace);
if (c == default(Canvas))
{
// Create Canvas and EventSystem if none exists yet
c = new GameObject("Canvas (Created by Tooltips.cs)", typeof(Canvas), typeof(CanvasScaler), typeof(GraphicRaycaster)).GetComponent <Canvas>();
c.renderMode = RenderMode.ScreenSpaceOverlay;
GameObject g = new GameObject("Event System (Created by Tooltips.cs)", typeof(EventSystem), typeof(StandaloneInputModule));
}
parent = c.GetComponent <RectTransform>();
}
// Make sure our parent is saved
if (parent != null)
{
// Set parent
newTooltip.transform.SetParent(parent, false);
}
// Position new Tooltip
// First, account for default position
if (position == default(Vector3))
{
position.x = Screen.width / 2f;
position.y = Screen.height / 2f;
}
// If toFollow is specified, override default position
if (toFollow != null)
{
position = Camera.main.WorldToScreenPoint(toFollow.position);
// Move by offset
if (offset == default(Vector3))
{
offset = Vector3.zero;
}
position += offset;
// Save to Tooltip
tooltip.toFollow = toFollow;
tooltip.toFollowOffset = offset;
}
tooltipRecTransform.position = position;
// Create exit buttons
if (exitChoices == null && exitText.Length > 0)
{
exitChoices = new string[] { exitText };
}
// Create exit text(s) and choice(s) if we have any
if (exitChoices != null && exitChoices.Length > 0)
{
tooltip.CreateExitButtons(exitChoices, exitCallbacks);
}
// Set style
if (style != null)
{
tooltip.style = style;
}
// Set autodestroy timer
if (destroyAfter != -1f)
{
tooltip.SelfDestruct(destroyAfter);
}
// Set up subsequent Tooltips
if (subsequentTooltips != null && subsequentTooltips.Length > 0)
{
List <string> allExceptFirst = new List <string>(subsequentTooltips);
allExceptFirst.RemoveAt(0);
string first = subsequentTooltips[0];
tooltip.onDestruction = x => {
Tooltips.CreateNew(first,
parent: parent, position: position, toFollow: toFollow, offset: offset, exitText: exitText, toCreate: toCreate, destroyAfter: destroyAfter,
subsequentTooltips: allExceptFirst.ToArray <string>());
};
}
// Return instantiated Tooltip
return(tooltip);
}
