public override IEnumerator RunOptions(Yarn.Options optionsCollection,
Yarn.OptionChooser optionChooser)
{
options.gameObject.SetActive(true);
// todo: make sure that the options aren't too big to fit in the box
// i don't really know how to check this without actually blitting the
// text (if i figure that out, change the convoluted logic in RunCommand)
uint numOptions = (uint)optionsCollection.options.Count;
if (numOptions > options.Count())
{
Debug.LogWarning("Too many options");
}
// display all needed options
for (int i = 0; i < options.Count(); i++)
{
DialogueOption option = options.GetOption(i);
if (i < numOptions)
{
option.gameObject.SetActive(true);
option.SetText(optionsCollection.options[i]);
}
else
{
option.gameObject.SetActive(false);
}
}
// quick explanation of how cursor math works. bottom-most option is
// option 0. the one above is option 1 and so on. so with 3 options
// where the cursor is currently on the the top-most option:
// -> [option 2]
// [option 1]
// [option 0]
// enable and put cursor next to topmost option
uint currCursorOption = numOptions - 1;
options.PlaceCursor(currCursorOption);
while (!Input.GetButtonDown("interact"))
{
// move cursor if we get an up or down input
bool moveCursor = Input.GetButtonDown("vertical");
if (moveCursor)
{
float updown = Input.GetAxisRaw("vertical");
if (updown == 1)
{
currCursorOption = (currCursorOption + 1) % numOptions;
}
else // updown == -1 (can't be 0 if button was pressed)
{
currCursorOption = (currCursorOption - 1) % numOptions;
}
options.PlaceCursor(currCursorOption);
}
yield return(null);
}
options.gameObject.SetActive(false);
optionChooser((int)currCursorOption);
yield return(null);
}