void HandleCollision()
{
#region Pickups
foreach (PlayerShip pShip in PlayerShips)
{
for (int i = 0; i < Pickups.Count; i++)
{
if (pShip.AABB.Intersects(new Rectangle(Pickups[i].Location.Xi(), Pickups[i].Location.Yi(), 32, 32)))
{
switch (Pickups[i].PickupType)
{
case ePickupType.HP:
pShip.Heal(65);
break;
case ePickupType.Boom1:
PickupWeapon(pShip, eEnemyGunType.Boom1Enemy);
break;
case ePickupType.Aim:
PickupWeapon(pShip, eEnemyGunType.AutoAim);
break;
case ePickupType.Missile:
PickupWeapon(pShip, eEnemyGunType.Missile);
break;
case ePickupType.Speed:
if (!pShip.UpgradeSpeed())
{
pShip.Heal(DOUBLE_PICKUP_HEAL_AMOUNT);
}
break;
case ePickupType.Shield:
if (!pShip.UpgradeShield())
{
pShip.Heal(DOUBLE_PICKUP_HEAL_AMOUNT);
}
pShip.Shield.CurrentHP += 7;
break;
case ePickupType.DualMissile:
PickupWeapon(pShip, eEnemyGunType.DualMissile45);
break;
case ePickupType.ShieldRegen:
if (!pShip.UpgradeShieldRegen())
{
pShip.Heal(DOUBLE_PICKUP_HEAL_AMOUNT);
}
break;
default:
throw new NotImplementedException();
}
Pickups[i].IsDisposed = true;
pShip.Owner.Score += (int)((5 + WaveNr) * Level.Instance.ScoreModifier);
}
}
}
#endregion
#region Scrapstation
if (ActiveScrapStation != null && !ActiveScrapStation.IsGoingHome)
{
if (PlayerShips[0].AABB.Intersects(ActiveScrapStation.AABB))
{
foreach (Rectangle2 rect in PlayerShips[0].CollisionRects)
{
foreach (Rectangle2 rect2 in ActiveScrapStation.CollisionRects)
{
if (rect.Absolute.Intersects(rect2.Absolute))
{
ActiveScrapStation.Visit(PlayerShips[0]);
return;
}
}
}
}
}
#endregion
#region Other Collisions
// A note about the 'is' operator performance: http://stackoverflow.com/questions/686412/c-is-operator-performance
for (int y = 0; y < BroadPhase.GRID_CNT; y++)
{
for (int x = 0; x < BroadPhase.GRID_CNT; x++)
{
if (BroadPhase.Instance.Blocks[x, y].Entities.Count > 0)
{
for (int i = 0; i < BroadPhase.Instance.Blocks[x, y].Entities.Count; i++)
{
PlayerShip pShip = BroadPhase.Instance.Blocks[x, y].Entities[i] as PlayerShip;
if (pShip != null)
{
for (int j = 0; j < BroadPhase.Instance.Blocks[x, y].Entities.Count; j++)
{
// Player <--> enemy projectile
BaseProjectile p = BroadPhase.Instance.Blocks[x, y].Entities[j] as BaseProjectile;
if (p != null)
{
if (p.Owner == null && !p.IsDisposed && pShip.AABB.Intersects(BroadPhase.Instance.Blocks[x, y].Entities[j].AABB))
{
foreach (Rectangle2 rect in pShip.CollisionRects)
{
if (p.AABB.Intersects(rect.Absolute))
{
pShip.TakeDamage(p.Damage);
p.IsDisposed = true;
break;
}
}
}
}
// Player <--> enemy collision
else
{
BaseEnemy e = BroadPhase.Instance.Blocks[x, y].Entities[j] as BaseEnemy;
if (e != null)
{
if (!e.IsDisposed && pShip.AABB.Intersects(e.AABB))
{
foreach (Rectangle2 rect in pShip.CollisionRects)
{
if (e.AABB.Intersects(rect.Absolute))
{
pShip.TakeDamage(e.CollisionDamage);
pShip.Owner.Kills++;
e.Die();
break;
}
}
}
}
}
}
}
// enemy <--> player projectile
else if (BroadPhase.Instance.Blocks[x, y].Entities[i] is BaseEnemy)
{
BaseEnemy e = (BaseEnemy)BroadPhase.Instance.Blocks[x, y].Entities[i];
for (int j = 0; j < BroadPhase.Instance.Blocks[x, y].Entities.Count; j++)
{
BaseProjectile p = BroadPhase.Instance.Blocks[x, y].Entities[j] as BaseProjectile;
if (p != null)
{
if (p.Owner != null && e.AABB.Intersects(p.AABB) && !p.IsDisposed)
{
e.TakeDamage(p.Damage, p.Owner);
p.IsDisposed = true;
}
}
}
}
}
}
}
}
#endregion
}
