private void CastSpell(ISpellGesture gesture)
{
//If attempting to cast and CurrentSpell isn't activated, activate
//Otherwise, adjust
if (gesture.IsCast && !CurrentSpell.IsActive)
{
bool success = CurrentSpell.Activate();
//Failed to activate spell, so return to Adjust state.
if (!success)
{
State = SpellCastingState.Adjust;
return;
}
//If the spell isn't channeled, prepare to cast a new spell
if (success && !CurrentSpell.IsChanneled)
{
CurrentSpell = null;
SpellElement = SpellElement.None;
SpellTier = SpellTier.None;
State = SpellCastingState.Select;
}
else
{
StartCoroutine(MonitorChanneledSpell());
}
}
else
{
AdjustSpell(gesture);
}
}
private void CancelSpell()
{
if (CurrentSpell == null || CurrentSpell.Equals(null))
{
CurrentSpell = null;
SpellElement = SpellElement.None;
SpellTier = SpellTier.None;
State = SpellCastingState.Select;
}
else
{
bool success = CurrentSpell.Deactivate();
if (success)
{
CurrentSpell = null;
SpellElement = SpellElement.None;
SpellTier = SpellTier.None;
State = SpellCastingState.Select;
}
}
}
private void AdjustSpell(ISpellGesture gesture)
{
//Adjust the spell (attribute and aim)
SpellAttribute?attr = gesture.Attribute;
if (attr.HasValue)
{
bool success = CurrentSpell.AdjustAttribute(attr.Value, gesture.AttributePower);
if (!success)
{
Debug.LogWarning("TODO: 'Failed to adjust attribute' SFX/VFX");
}
}
CurrentSpell.AdjustAim(gesture);
//Start casting the spell if appropriate
if (State == SpellCastingState.Adjust && gesture.IsCast)
{
State = SpellCastingState.Cast;
CastSpell(gesture);
}
}
private void SelectSpell(ISpellGesture gesture)
{
//Extract element and tier from the gesture
SpellElement?elem = gesture.Element;
SpellTier? tier = gesture.Tier;
//If elem/tier exist, store their value
SpellElement = elem.GetValueOrDefault(SpellElement);
SpellTier = tier.GetValueOrDefault(SpellTier);
//If an element and tier have been selected, transition to the Adjust state
if (SpellElement != SpellElement.None && SpellTier != SpellTier.None)
{
foreach (Spell spellPrefab in spellPrefabs)
{
if (spellPrefab.Element == SpellElement && spellPrefab.Tier == SpellTier)
{
CurrentSpell = Instantiate(spellPrefab, gesture.AttachmentPoint);
State = SpellCastingState.Adjust;
AdjustSpell(gesture);
break;
}
}
if (CurrentSpell == null)
{
Debug.LogWarningFormat(
"No spell prefab found for (Element, Tier) = ({0}, {1})",
SpellElement.ToString(), SpellTier.ToString()
);
SpellElement = SpellElement.None;
SpellTier = SpellTier.None;
}
}
}
public void PublishGesture(ISpellGesture gesture)
{
bool spellWasDestroyed = CurrentSpell != null && CurrentSpell.Equals(null);
//Process cancel gesture.
//A spell can be canceled at any time.
if (gesture.IsCancel || spellWasDestroyed)
{
State = SpellCastingState.Cancel;
}
switch (State)
{
case SpellCastingState.None:
break;
case SpellCastingState.Select:
SelectSpell(gesture);
break;
case SpellCastingState.Adjust:
AdjustSpell(gesture);
break;
case SpellCastingState.Cast:
CastSpell(gesture);
break;
case SpellCastingState.Cancel:
CancelSpell();
break;
default:
throw new System.InvalidOperationException("Illegal enum value.");
}
}