private float ModifyDamageToTake(PositionedObject damageDealer, float weaponLevelModifier, float baseDamage)
{
float toReturn = baseDamage;
if (ShieldHalfAngle != 0)
{
Vector3 directionOfDamage = damageDealer.Position - Position;
directionOfDamage.Normalize();
var directionFacing = TopDownDirectionExtensions.FromDirection(new Vector2(aimingVector.X, aimingVector.Y), PossibleDirections.EightWay);
Vector3 forwardVector = directionFacing.ToVector();
var dotProd = directionOfDamage.X * forwardVector.X + directionOfDamage.Y * forwardVector.Y;
var angleDegrees = Math.Acos(dotProd) * (180 / Math.PI);
toReturn = baseDamage;
if (angleDegrees < ShieldHalfAngle)
{
toReturn /= 2;
}
}
toReturn = toReturn * weaponLevelModifier;
return(toReturn);
}
private void DoShootingFireActivity(Bullet.DataCategory bulletData)
{
var direction = aimingVector;
var bullet = Factories.BulletFactory.CreateNew(this.X, this.Y);
bullet.Owner = this;
bullet.CurrentDataCategoryState = bulletData;
bullet.Velocity = bullet.BulletSpeed * direction;
bullet.SetAnimationChainFromVelocity(TopDownDirectionExtensions.FromDirection(aimingVector, PossibleDirections), EquippedWeapon);
CurrentEnergy -= ModifyEnergyDrain(bulletData.EnergyUsePerShot);
shootingLayer.PlayOnce(GetChainName(currentPrimaryAction, SecondaryActions.Shooting));
lastFireShotTime = FlatRedBall.Screens.ScreenManager.CurrentScreen.PauseAdjustedCurrentTime;
if (bulletData == Bullet.DataCategory.PlayerFire)
{
FlatRedBall.Audio.AudioManager.Play(PlayerFlameShot);
}
else if (bulletData == Bullet.DataCategory.PlayerSkull)
{
switch (FlatRedBallServices.Random.Next(0, 3))
{
case 0: FlatRedBall.Audio.AudioManager.Play(PlayerShotSkull1); break;
case 1: FlatRedBall.Audio.AudioManager.Play(PlayerShotSkull2); break;
case 2: FlatRedBall.Audio.AudioManager.Play(PlayerShotSkull3); break;
}
}
}
private string GetChainName(PrimaryActions primaryAction, SecondaryActions secondaryActions)
{
if (aimingVector.X != 0 || aimingVector.Y != 0)
{
var direction = TopDownDirectionExtensions.FromDirection(new Vector2(aimingVector.X, aimingVector.Y), PossibleDirections.EightWay);
return(ChainNameHelperMethods.GenerateChainName(primaryAction, null, direction));
}
else
{
return(ChainNameHelperMethods.GenerateChainName(primaryAction, null, TopDownDirection.Right));
}
}
public void SetAnimationChainFromVelocity(TopDownDirection aimingDirection, Weapon weapon)
{
string weaponAnimationName = null;
switch (weapon)
{
case Weapon.ShootingFire: weaponAnimationName = "Fireball"; break;
case Weapon.ShootingSkulls: weaponAnimationName = "Skull"; break;
}
SpriteInstance.CurrentChainName = weaponAnimationName + "_" + aimingDirection.ToFriendlyString();
var positionOffset = TopDownDirectionExtensions.ToVector(aimingDirection);
Position += positionOffset * OffsetRadius;
}
private string GetChainName(PrimaryActions primaryAction, SecondaryActions secondaryAction = SecondaryActions.None)
{
Weapon?weapon = null;
if (secondaryAction == SecondaryActions.Shooting)
{
weapon = EquippedWeapon;
}
if (aimingVector.X != 0 || aimingVector.Y != 0)
{
var direction = TopDownDirectionExtensions.FromDirection(new Vector2(aimingVector.X, aimingVector.Y), PossibleDirections.EightWay);
return(ChainNameHelperMethods.GenerateChainName(primaryAction, weapon, direction));
}
else
{
return(ChainNameHelperMethods.GenerateChainName(primaryAction, weapon, TopDownDirection.Right));
}
}