/// <summary>
/// Does collision detection between the shooter and the player
/// </summary>
/// <param name="shooter"></param>
static void BulletToPlayer(ServerPlayer shooter)
{
// Get the distance between the player and the shooter
foreach (ServerPlayer player in players)
{
// The shooter can't shoot themself, obviously.
if (player != shooter)
{
// If friendly fire is disabled and the player is
// on the same team, don't do collision detection
if (!friendlyFire && player.CurrentTeam == shooter.CurrentTeam)
{
continue;
}
// Get distance between the player and the enemy
Vector2 delta = player.Position - shooter.Position;
// Get -2Pi - 2Pi version of the shooter's angle
float angle = shooter.Rotation < 0 ? (float)(shooter.Rotation + (2 * Math.PI)) : shooter.Rotation;
// Get angle between shooter and player
float shooterToPlayerAngle = (float)Math.Atan2(delta.Y, delta.X);
// If the angle between the shooter and player is less than 0 radians
// add 2 Pi to convert it from -Pi - Pi domain to -2Pi - 2Pi domain
shooterToPlayerAngle = shooterToPlayerAngle < 0
? (float)(shooterToPlayerAngle + (2 * Math.PI))
: shooterToPlayerAngle;
// If the angle of the shooter is within 0.2 radians of the
// angle between the shooter and the player, it means they are
// not aiming in the opposite direction of the player which would
// result in the collision detection returning true
if (angle > shooterToPlayerAngle - 0.2f &&
angle < shooterToPlayerAngle + 0.2f)
{
// Get the direction of the shooter
Vector2 direction = new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle));
// Get distance between the player and any possible obstacles in between the
// player and the enemy
RayCastResult result = raycaster.RayCastMethod(shooter.Position, direction, 1280,
MapData.TileMap, MapData.MapArea, angle);
// Get the delta between the collision point and the shooter
Vector2 raycastDistance = result.CollisionPos - shooter.Position;
// If the raycast had collided with an object in between two players
// the distance of the raycast would be shorter, therefore, the player
// has no direct line of sight with the other player
if (raycastDistance.Length() > delta.Length())
{
// If the shot passes through the player and they are alive
if (Collision.NonAACollision(shooter.Position,
shooter.Rotation, new Rectangle(
(int)player.Position.X - 16, (int)player.Position.Y + 16,
32, 32), player.Rotation) && player.State == ServerClientInterface.PlayerState.Alive)
{
// Deal the correct amount of damage depending on the weapon
switch (shooter.CurrentWeapon.Weapon)
{
case WeaponData.Weapon.Knife:
break;
case WeaponData.Weapon.Ak47:
player.Damage(12, 0);
break;
case WeaponData.Weapon.Glock:
break;
case WeaponData.Weapon.Awp:
break;
case WeaponData.Weapon.Usp:
break;
case WeaponData.Weapon.M4A1:
player.Damage(12, 0);
break;
}
Console.WriteLine("\"" + shooter.UserName + "\" shot \"" + player.UserName + " with " +
shooter.CurrentWeapon.Weapon);
// If the player's health is less than zero, they died. Let everyone know.
if (player.Health <= 0)
{
player.SetHealth(0);
player.SetArmor(0);
player.SetState(ServerClientInterface.PlayerState.Dead);
Console.WriteLine(shooter.UserName + " killed " + player.UserName +
" with " + shooter.CurrentWeapon.Weapon);
}
// Send data to all players
outMsg = server.CreateMessage();
outMsg.Write(ServerClientInterface.DAMAGE);
outMsg.Write(player.Identifier);
outMsg.Write(player.Health);
outMsg.Write(player.Armor);
server.SendToAll(outMsg, NetDeliveryMethod.UnreliableSequenced);
}
}
}
}
}
}
