/// <summary>
/// Determines whether to block damage if they have recently used a banned item or modifies damage
/// if the projectile is on the modifications list.
/// </summary>
/// <param name="args">The GetDataHandlerArgs object containing the player who sent the packet and the
/// data in it</param>
/// <returns>Whether or not the packet was handled (and should therefore not be processed
/// by anything else</returns>
private bool HandleDamage(GetDataHandlerArgs args)
{
if (args.Player == null)
{
return(false);
}
var index = args.Player.Index;
var playerId = (byte)args.Data.ReadByte();
var damageSourceFlags = (BitsByte)args.Data.ReadByte();
var sourceItemType = -1;
var sourceProjectileType = -1;
var sourceItemPrefix = -1;
if (damageSourceFlags[0])
{
var sourcePlayerIndex = args.Data.ReadInt16();
}
if (damageSourceFlags[1])
{
var sourceNPCIndex = args.Data.ReadInt16();
}
if (damageSourceFlags[2])
{
var sourceProjectileIndex = args.Data.ReadInt16();
}
if (damageSourceFlags[3])
{
var sourceOtherIndex = args.Data.ReadByte();
}
if (damageSourceFlags[4])
{
sourceProjectileType = args.Data.ReadInt16();
}
if (damageSourceFlags[5])
{
sourceItemType = args.Data.ReadInt16();
}
if (damageSourceFlags[6])
{
sourceItemPrefix = args.Data.ReadByte();
}
var damage = args.Data.ReadInt16();
var dir = args.Data.ReadByte();
var flags = args.Data.ReadByte();
args.Data.ReadByte();
if (TShock.Players[playerId] == null || sourceItemType == -1 || args.Player.IsDead || Controller.Players[playerId].IsDead)
{
return(true);
}
// The sourceItemType is only reliable if no projectile is involved
// as sourceItemType is simply the active slot item
// TODO: Change this to use active slot item of server
Item weapon = new Item();
if (sourceProjectileType == -1)
{
weapon.SetDefaults(sourceItemType);
weapon.Prefix(sourceItemPrefix);
weapon.owner = args.Player.Index;
}
else if (args.Player.ProjectileWeapon[sourceProjectileType] != null)
{
Item bestWeaponGuess = args.Player.ProjectileWeapon[sourceProjectileType];
weapon.SetDefaults(bestWeaponGuess.netID);
weapon.Prefix(bestWeaponGuess.prefix);
weapon.owner = args.Player.Index;
}
double internalDamage = Main.player[args.Player.Index].GetWeaponDamage(weapon);
// Check whether the source of damage is banned
if (Controller.Weapons.Count(p => p.netID == weapon.netID && p.banned) > 0 || Controller.Projectiles.Count(p => p.netID == sourceProjectileType && p.banned) > 0)
{
args.Player.TshockPlayer.SendData(PacketTypes.PlayerHp, "", playerId);
return(true);
}
internalDamage = DamageController.DecideDamage(args.Player, Controller.Players[playerId], weapon, sourceProjectileType, internalDamage);
// Send Damage and Damage Text
int realDamage = (int)Math.Round(DamageUtils.GetRealDamageFromInternalDamage(Main.player[playerId], internalDamage));
Color msgColor = new Color(162, 0, 255);
NetMessage.SendData(119, index, -1, NetworkText.FromLiteral($"{realDamage}"), (int)msgColor.PackedValue, Main.player[playerId].position.X, Main.player[playerId].position.Y - 32);
var killer = new PlayerKiller(args.Player.TshockPlayer, weapon);
Controller.Players[playerId].ApplyPlayerDamage(killer, weapon, dir, (int)internalDamage, realDamage);
NetMessage.SendData((int)PacketTypes.PlayerHp, -1, playerId, NetworkText.Empty, playerId);
// Update spectating time so they cannot simply hide from their attacker
if (Controller.Players[playerId].LastSpectating < DateTime.UtcNow.AddSeconds(-15))
{
Controller.Players[playerId].LastSpectating = DateTime.UtcNow.AddSeconds(-15);
}
return(true);
}