/// <summary>
/// Expands the button so that it's just slightly more than tall enough to show its
/// text contents.
/// </summary>
IEnumerator ExpandTestimonyCoroutine(TestimonyEntry entry)
{
// Get some values needed to calculate whether this entry needs to be expanded
//Debug.Log("Expanding testimony!");
RectTransform entryRect = entry.rectTransform;
Text textField = entry.textField;
RectTransform textRect = textField.rectTransform;
float textHeight = textRect.rect.height;
bool needExpansion = textHeight >= baseButtonHeight;
if (!needExpansion)
{
Debug.Log("This testimony doesn't need expanding.");
sizeChangeCoroutine = null;
yield break;
}
Debug.Log("This testimony DOES need expanding.");
// Calculate the height the entry needs to expand to
float extraSpace = baseButtonHeight * 0.1f;
float expandedHeight = textHeight + extraSpace;
Vector2 newSize = entryRect.sizeDelta;
// And expand it
float timer = 0;
float frameRate = 1f / Time.deltaTime;
float timeToExpand = frameRate * sizeChangeTime;
while (timer < timeToExpand)
{
newSize.y = Mathf.Lerp(newSize.y, expandedHeight, timer / timeToExpand);
entryRect.sizeDelta = newSize;
//Debug.Log("New testimony height: " + entryRect.sizeDelta.y);
timer++;
yield return(null);
}
// Just to make sure
newSize.y = expandedHeight;
entryRect.sizeDelta = newSize;
// avoid a visual bug
textRect.ApplyAnchorPreset(TextAnchor.UpperCenter, true, true);
buttonsManaged[entry.gameObject] = ButtonState.expanded;
sizeChangeCoroutine = null;
Debug.Log("Done expanding! The button state is now: " + buttonsManaged[entry.gameObject]);
}
public void ShrinkTestimony(TestimonyEntry entry)
{
if (!buttonsManaged.ContainsKey(entry.gameObject))
{
// register this new button, and assume it's at a normal state
buttonsManaged.Add(entry.gameObject, ButtonState.normal);
}
if (buttonsManaged[entry.gameObject] != ButtonState.normal && sizeChangeCoroutine == null)
{
sizeChangeCoroutine = ShrinkTestimonyCoroutine(entry);
StartCoroutine(sizeChangeCoroutine);
}
}
/// <summary>
/// Shrinks the button so that its height becomes the base height.
/// </summary>
IEnumerator ShrinkTestimonyCoroutine(TestimonyEntry entry)
{
// Some values we'll need
Debug.Log("Shrinking testimony!");
RectTransform entryRect = entry.rectTransform;
float entryHeight = entryRect.rect.height;
Text textField = entry.textField;
RectTransform textRect = textField.rectTransform;
float textHeight = textRect.rect.height;
bool needShrink = entryHeight > baseButtonHeight;
if (!needShrink)
{
Debug.Log("This testimony doesn't need shrinking.");
sizeChangeCoroutine = null;
yield break;
}
Debug.Log("This testimony DOES need shrinking.");
Vector2 newSize = entryRect.sizeDelta;
float timer = 0;
float frameRate = 1f / Time.deltaTime;
float timeToShrink = frameRate * sizeChangeTime;
while (timer < timeToShrink)
{
newSize.y = Mathf.Lerp(newSize.y, baseButtonHeight, timer / timeToShrink);
entryRect.sizeDelta = newSize;
timer++;
//Debug.Log("New testimony height: " + entryRect.sizeDelta.y);
yield return(null);
}
// Just to make sure
newSize.y = baseButtonHeight;
textRect.sizeDelta = newSize;
// avoid a visual bug
textRect.ApplyAnchorPreset(TextAnchor.UpperCenter, true, true);
buttonsManaged[entry.gameObject] = ButtonState.normal;
sizeChangeCoroutine = null;
Debug.Log("Done shrinking! The button state is now: " + buttonsManaged[entry.gameObject]);
}
public void AddEntry(string text, string imageName)
{
Debug.Log("Adding testimony!");
GameObject newEntryGo = Instantiate <GameObject>(entryPrefab, entryPrefab.transform.position, Quaternion.identity);
TestimonyEntry entry = newEntryGo.GetComponent <TestimonyEntry>();
// The text may contain a variable, so make sure that the right value is shown instead
// of the variable name
string entryText = YarnUtils.ParseYarnText(variableStorage, text);
// Load the sprite based on the name
Sprite giverSprite = Resources.Load <Sprite>("Graphics/Portraits/" + imageName);
if (giverSprite == null)
{
throw new System.ArgumentException(imageName + " is not in the Portraits subfolder of the Graphics folder.");
}
entry.text = entryText;
entry.giverMugshot = giverSprite;
newEntryGo.transform.SetParent(testimonyHolder, false);
// Make it expand when clicked, go back to normal when clicked while expanded
Button entryButton = newEntryGo.GetComponent <Button>();
crewManager.buttonsManaged[newEntryGo] = ButtonState.normal;
entryButton.onClick.AddListener(() =>
{
if (crewManager.EntryNormal(newEntryGo))
{
//crewManager.expandNews(newEntryGo);
crewManager.ExpandTestimony(entry);
}
else
{
//crewManager.shrinkNews(newEntryGo);
crewManager.ShrinkTestimony(entry);
}
});
entries.Add(entry);
}
