// Returns true if the target is being attacked from the rear.
// Doesn't include attacks from the left or right.
private bool IsBackstab(ObjectMechanics target)
{
float rotation1 = target.transform.eulerAngles.y;
float rotation2 = transform.eulerAngles.y;
return(VeryApproximateMatch(Mathf.Abs(rotation1 - rotation2), 0.0f) || VeryApproximateMatch(Mathf.Abs(rotation1 - rotation2), 360.0f));
}
public void PerformAttackWithStatusEffect(ObjectMechanics target, StatusEffect.EffectType type, int duration, int powerLevel = -1, float damageMultiplier = 1.0f)
{
if (HitAndDamage(target, false, damageMultiplier))
{
new StatusEffect(type, duration, target, powerLevel);
}
}
IEnumerator AttackAfterDelay(float time, ObjectMechanics targetMechanics)
{
yield return(new WaitForSeconds(time));
if (targetMechanics != null) // If the target wasn't destroyed by the first attack.
{
mechanics.PerformAttackWithStatusEffect(targetMechanics, StatusEffect.EffectType.SLOWED, 2, -1, 0.5f);
}
yield break;
}
private bool IsCrit(ObjectMechanics target, bool isBackstab)
{
int chance = CritChance();
if (isBackstab)
{
chance *= 2;
}
return(PercentRoll(chance));
}
IEnumerator AttackAfterDelay(float time, ObjectMechanics targetMechanics)
{
yield return(new WaitForSeconds(time));
if (targetMechanics != null) // If the target wasn't destroyed by the first attack.
{
mechanics.PerformBasicAttack(targetMechanics, false);
}
yield break;
}
void ResolveAttack(GameObject target)
{
spentActionPoints += MIN_AP_COST;
ObjectMechanics targetMechanics = target.GetComponent <CreatureMechanics>();
if (targetMechanics == null)
{
targetMechanics = target.GetComponent <ObjectMechanics>();
}
AttackEffects(targetMechanics);
}
// Some status effects have varying power levels, others default to -1
public StatusEffect(EffectType effectType, int durationRounds, ObjectMechanics effectTarget, int effectPowerLevel = -1)
{
// Only CreatureMechanics can get status effects.
if (effectTarget.GetType() == typeof(ObjectMechanics))
{
return;
}
roundsRemaining = durationRounds;
type = effectType;
target = (CreatureMechanics)effectTarget;
powerLevel = effectPowerLevel;
target.RegisterStatusEffect(this);
}
private float HeightAdvantageMultiplier(ObjectMechanics target)
{
float relativeHeight = transform.position.y - target.transform.position.y;
if (relativeHeight > 0.25f)
{
return(1.2f);
}
if (relativeHeight > 0f)
{
return(1.1f);
}
return(1.0f);
}
// Main attack function. Applies damage and returns true if there is a hit.
// Returns false if there is a miss.
private bool HitAndDamage(ObjectMechanics target, bool isConcentrationEligible, float damageMultiplier)
{
if (isConcentrationEligible)
{
BoostConcentration();
}
Animate("IsAttacking");
if (!PercentRoll(HitChance()))
{
SoundManager.PlaySound(attackSound);
target.Animate("IsDodging");
DisplayPopupAfterDelay(0.2f, "Miss");
return(false);
}
if (PercentRoll(target.DodgeChance()))
{
SoundManager.PlaySound(attackSound);
target.Animate("IsDodging");
target.DisplayPopupAfterDelay(0.2f, "Dodge");
return(false);
}
int dam = DamageInflicted();
bool backstab = false;
if (IsVulnerable(target))
{
if (isConcentrationEligible)
{
BoostConcentration();
}
backstab = true;
dam += BonusRearDamage();
}
// Critical hits apply a +100% multiplier, after all fixed modifiers are considered.
if (IsCrit(target, backstab))
{
dam += dam;
DisplayPopupAfterDelay(0.2f, "Crit");
}
else if (backstab) // Only display the backstab popup if it's not a crit.
{
DisplayPopupAfterDelay(0.2f, "Backstab");
}
damageMultiplier *= HeightAdvantageMultiplier(target);
dam = (int)((float)dam * damageMultiplier);
target.ReceiveDamage(dam);
return(true);
}
private bool IsVulnerable(ObjectMechanics target)
{
if (StatusEffect.HasEffectType(ref target.statusEffects, StatusEffect.EffectType.PETRIFIED))
{
return(false);
}
if (!target.canBeBackstabbed)
{
return(false);
}
if (IsBackstab(target))
{
return(true);
}
if (StatusEffect.HasEffectType(ref target.statusEffects, StatusEffect.EffectType.KNOCKDOWN))
{
return(true);
}
if (StatusEffect.HasEffectType(ref target.statusEffects, StatusEffect.EffectType.BLINDED))
{
return(true);
}
return(false);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
new StatusEffect(StatusEffect.EffectType.FROZEN, 2, targetMechanics, -1);
targetMechanics.DisplayPopup("Frozen");
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
new StatusEffect(StatusEffect.EffectType.PETRIFIED, 3, targetMechanics, -1);
targetMechanics.DisplayPopup("Petrified");
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
mechanics.PerformAttackWithStatusEffect(targetMechanics, StatusEffect.EffectType.BURNING, 2);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
new StatusEffect(StatusEffect.EffectType.BLINDED, 2, targetMechanics, -1);
targetMechanics.DisplayPopup("Blinded");
}
virtual protected void AttackEffects(ObjectMechanics targetStats)
{
mechanics.PerformBasicAttack(targetStats);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
new StatusEffect(StatusEffect.EffectType.EMPOWER, 2, targetMechanics, -1);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
mechanics.PerformBasicAttack(targetMechanics, false, 0.5f);
}
// Public wrapper for HitAndDamage
public void PerformBasicAttack(ObjectMechanics target, bool isConcentrationEligible = true, float damageMultiplier = 1.0f)
{
HitAndDamage(target, isConcentrationEligible, damageMultiplier);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
mechanics.PerformAttackWithStatusEffect(targetMechanics, StatusEffect.EffectType.KNOCKDOWN, 1, -1, 0.5f);
StartCoroutine(AttackAfterDelay(1.0f, targetMechanics));
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
mechanics.PerformBasicAttack(targetMechanics, false);
StartCoroutine(AttackAfterDelay(1.0f, targetMechanics));
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
mechanics.PerformAttackWithStatusEffect(targetMechanics, StatusEffect.EffectType.KNOCKDOWN, 1, -1, 0.5f);
}
override protected void AttackEffects(ObjectMechanics targetMechanics)
{
new StatusEffect(StatusEffect.EffectType.BURNING, 5, targetMechanics, -1);
targetMechanics.DisplayPopup("Ignited");
}