/// <summary>
/// Shows remains letters dynamically
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private IEnumerator ShowRemainingCharacters()
{
if (!textAnimator.allLettersShown)
{
isInsideRoutine = true;
wantsToSkip = false;
onTypewriterStart?.Invoke();
IEnumerator WaitTime(float time)
{
if (time > 0)
{
float t = 0;
while (t <= time)
{
t += textAnimator.time.deltaTime;
yield return(null);
}
}
}
float timeToWait;
char characterShown;
if (resetTypingSpeedAtStartup)
{
typewriterPlayerSpeed = 1;
}
float typewriterTagsSpeed = 1;
bool HasSkipped()
{
return(canSkipTypewriter && wantsToSkip);
}
float timePassed = 0;
float deltaTime;
UpdateDeltaTime();
void UpdateDeltaTime()
{
deltaTime = textAnimator.time.deltaTime * typewriterPlayerSpeed * typewriterTagsSpeed;
}
//Shows character by character until all are shown
while (!textAnimator.allLettersShown)
{
//searches for actions [before the character, incl. at the very start of the text]
if (textAnimator.hasActions)
{
//loops until features ended (there could be multiple ones in the same text position, example: when two tags are next to eachother without spaces
while (textAnimator.TryGetAction(out TypewriterAction action))
{
//Default features
switch (action.actionID)
{
case "waitfor":
float waitTime;
FormatUtils.TryGetFloat(action.parameters, 0, 1f, out waitTime);
yield return(WaitTime(waitTime));
break;
case "waitinput":
yield return(WaitInput());
break;
case "speed":
FormatUtils.TryGetFloat(action.parameters, 0, 1, out typewriterTagsSpeed);
//clamps speed (time cannot go backwards!)
if (typewriterTagsSpeed <= 0)
{
typewriterTagsSpeed = 0.001f;
}
break;
//Action is custom
default:
yield return(DoCustomAction(action));
break;
}
}
}
//increases the visible chars count and stores the new one
characterShown = textAnimator.IncreaseVisibleChars();
UpdateDeltaTime();
//triggers event unless it's a space
if (characterShown != ' ')
{
onCharacterVisible?.Invoke(characterShown);
}
//gets the time to wait based on the newly character showed
timeToWait = WaitTimeOf(characterShown);
//waiting less time than a frame, we don't wait yet
if (timeToWait < deltaTime)
{
timePassed += timeToWait;
if (timePassed >= deltaTime) //waits only if we "surpassed" a frame duration
{
yield return(null);
timePassed %= deltaTime;
}
}
else
{
while (timePassed < timeToWait && !HasSkipped())
{
OnTypewriterCharDelay();
timePassed += deltaTime;
yield return(null);
UpdateDeltaTime();
}
timePassed %= timeToWait;
}
//Skips typewriter
if (HasSkipped())
{
textAnimator.ShowAllCharacters(hideAppearancesOnSkip);
if (triggerEventsOnSkip)
{
textAnimator.TriggerRemainingEvents();
}
break;
}
}
// triggers the events at the end of the text
//
// the typewriter is arrived here without skipping
// meaning that all events were triggered and we only
// have to fire the ones at the very end
// (outside tmpro's characters count length)
if (!canSkipTypewriter || !wantsToSkip)
{
textAnimator.TriggerRemainingEvents();
}
isInsideRoutine = false;
textToShow = string.Empty; //text has been showed, no need to store it now
onTextShowed?.Invoke();
}
}
/// <summary>
/// Typewriter effect
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private IEnumerator ShowVisibleCharacters()
{
if (!textAnimator.allLettersShown)
{
isInsideRoutine = true;
wantsToSkip = false;
float t;
onTypewriterStart?.Invoke();
#pragma warning disable 0618 //temp obsolete warning disable or any user that did not implement it will have a warning as well
OnTypeWriterStart();
#pragma warning restore 0618
IEnumerator WaitTime(float time)
{
if (time > 0)
{
t = 0;
while (t <= time)
{
t += textAnimator.deltaTime;
yield return(null);
}
}
}
float timeToWait;
char characterShown = ' ';
typewriterPlayerSpeed = 1;
float typewriterTagsSpeed = 1;
//Shows character by character until all are shown
while (!textAnimator.allLettersShown)
{
//searches for features
if (textAnimator.hasFeatures)
{
//loops until features ended (there could be multiple ones in the same text position, example: when two tags are next to eachother without spaces
while (textAnimator.TryGetFeature(out TextAnimator.CustomTag feature))
{
//Default features
switch (feature.defaultFeature)
{
case DefaultFeature.WaitFor:
float waitTime;
FormatUtils.TryGetFloat(feature.parameters, 0, 1f, out waitTime);
yield return(WaitTime(waitTime));
break;
case DefaultFeature.WaitInput:
yield return(WaitInput());
break;
case DefaultFeature.TypewriterSpeedMult:
FormatUtils.TryGetFloat(feature.parameters, 0, 1, out typewriterTagsSpeed);
//clamps speed (time cannot go backwards!)
if (typewriterTagsSpeed <= 0)
{
typewriterTagsSpeed = 0.001f;
}
break;
}
//Custom features
if (feature.customFeature != CustomFeature.NotImplemented)
{
yield return(DoCustomFeature(feature.customFeature, feature.parameters));
}
}
}
characterShown = textAnimator.IncreaseVisibleChars();
t = 0;
timeToWait = WaitTimeOf( //get the wait time based
characterShown //increases characters
);
//triggers event unless it's a space
if (characterShown != ' ')
{
onCharacterVisible?.Invoke(characterShown);
}
while (t <= timeToWait && !(canSkipTypewriter && wantsToSkip))
{
UpdateTypeWriterInput();
t += textAnimator.deltaTime * typewriterPlayerSpeed * typewriterTagsSpeed;
yield return(null);
}
//Skips typewriter
if (canSkipTypewriter && wantsToSkip)
{
textAnimator.ShowAllCharacters(hideAppearancesOnSkip);
break;
}
}
isInsideRoutine = false;
textToShow = string.Empty; //text has been showed, no need to store it now
onTextShowed?.Invoke();
#pragma warning disable 0618 //temp obsolete warning disable or any user that did not implement it will have a warning as well
onTypeWriterEnded?.Invoke();
#pragma warning restore 0618
}
}
