private static void SetAlterItemDropNextFlags(PacketWriter alterItemDrop, CustomWeapon weapon)
{
alterItemDrop.PackByte(GetAlterEndFlags(weapon));
if (weapon.DropAreaWidth != null)
{
alterItemDrop.PackInt16((short)weapon.DropAreaWidth);
}
if (weapon.DropAreaHeight != null)
{
alterItemDrop.PackInt16((short)weapon.DropAreaHeight);
}
if (weapon.Scale != null)
{
alterItemDrop.PackSingle((float)weapon.Scale);
}
if (weapon.AmmoIdentifier != null)
{
alterItemDrop.PackInt16((short)weapon.AmmoIdentifier);
}
if (weapon.UseAmmoIdentifier != null)
{
alterItemDrop.PackInt16((short)weapon.UseAmmoIdentifier);
}
if (weapon.NotAmmo != null)
{
alterItemDrop.PackByte((byte)(((bool)weapon.NotAmmo) ? 1 : 0));
}
}
public bool Equals(CustomWeapon other)
{
if (other == null)
{
return(false);
}
return(ItemNetId == other.ItemNetId);
}
public override bool Equals(object obj)
{
CustomWeapon custwep = obj as CustomWeapon;
if (custwep == null)
{
return(false);
}
return(Equals(custwep));
}
private static byte[] GetAlterItemDropPacket(CustomWeapon weapon, int itemIndex)
{
var flags1 = GetAlterStartFlags(weapon);
var alterItemDrop = new PacketWriter()
.SetType(88)
.PackInt16((short)itemIndex)
.PackByte(flags1);
if (weapon.Color != null)
{
var color = 0xFF000000;
color += (uint)weapon.Color?.R;
color += (uint)weapon.Color?.G << 8;
color += (uint)weapon.Color?.B << 16;
alterItemDrop.PackUInt32(color);
}
if (weapon.Damage != null)
{
alterItemDrop.PackUInt16((ushort)weapon.Damage);
}
if (weapon.Knockback != null)
{
alterItemDrop.PackSingle((float)weapon.Knockback);
}
if (weapon.UseAnimation != null)
{
alterItemDrop.PackUInt16((ushort)weapon.UseAnimation);
}
if (weapon.UseTime != null)
{
alterItemDrop.PackUInt16((ushort)weapon.UseTime);
}
if (weapon.ShootProjectileId != null)
{
alterItemDrop.PackInt16((short)weapon.ShootProjectileId);
}
if (weapon.ShootSpeed != null)
{
alterItemDrop.PackSingle((float)weapon.ShootSpeed);
}
if ((flags1 & 128) != 0)
{
SetAlterItemDropNextFlags(alterItemDrop, weapon);
}
return(alterItemDrop.GetByteData());
}
private static byte GetAlterStartFlags(CustomWeapon weapon)
{
byte flagByte = 0;
if (weapon.Color != null)
{
flagByte += 1;
}
if (weapon.Damage != null)
{
flagByte += 2;
}
if (weapon.Knockback != null)
{
flagByte += 4;
}
if (weapon.UseAnimation != null)
{
flagByte += 8;
}
if (weapon.UseTime != null)
{
flagByte += 16;
}
if (weapon.ShootProjectileId != null)
{
flagByte += 32;
}
if (weapon.ShootSpeed != null)
{
flagByte += 64;
}
var nextFlags = weapon.DropAreaWidth != null || weapon.DropAreaHeight != null || weapon.Scale != null ||
weapon.AmmoIdentifier != null || weapon.UseAmmoIdentifier != null || weapon.NotAmmo != null;
if (nextFlags)
{
flagByte += 128;
}
return(flagByte);
}
public static void DropItem(TSPlayer player, CustomWeapon weapon)
{
int freeIndex = 400;
for (int i = 0; i < 400; ++i)
{
if (!Main.item[i].active && Main.timeItemSlotCannotBeReusedFor[i] == 0)
{
freeIndex = i;
break;
}
}
Main.timeItemSlotCannotBeReusedFor[freeIndex] = 0;
Main.item[freeIndex] = new Item();
Main.item[freeIndex].active = true;
var itemDrop = new PacketWriter()
.SetType((int)PacketTypes.UpdateItemDrop)
.PackInt16((short)freeIndex)
.PackSingle(player.TPlayer.position.X - short.MaxValue / 2f) //This line of code was modified from the API
.PackSingle(player.TPlayer.position.Y - short.MaxValue / 2f) //This line of code was modified from the API
.PackSingle(0)
.PackSingle(0)
.PackInt16(weapon.Stack ?? 1)
.PackByte(weapon.Prefix ?? 0)
.PackByte(0)
.PackInt16(weapon.ItemNetId)
.GetByteData();
var itemOwner = new PacketWriter()
.SetType((int)PacketTypes.ItemOwner)
.PackInt16((short)freeIndex)
.PackByte((byte)player.Index)
.GetByteData();
player.SendRawData(itemDrop);
player.SendRawData(GetAlterItemDropPacket(weapon, freeIndex));
player.SendRawData(itemOwner);
}
public CustomWeapon(CustomWeapon weapon)
{
Prefix = weapon.Prefix;
ItemNetId = weapon.ItemNetId;
if (weapon.Color != null)
{
Color = new Color(((Color)weapon.Color).R, ((Color)weapon.Color).G, ((Color)weapon.Color).B);
}
Stack = weapon.Stack;
Damage = weapon.Damage;
Knockback = weapon.Knockback;
UseAnimation = weapon.UseAnimation;
UseTime = weapon.UseTime;
ShootProjectileId = weapon.ShootProjectileId;
ShootSpeed = weapon.ShootSpeed;
Scale = weapon.Scale;
AmmoIdentifier = weapon.AmmoIdentifier;
UseAmmoIdentifier = weapon.UseAmmoIdentifier;
NotAmmo = weapon.NotAmmo;
DropAreaHeight = weapon.DropAreaHeight;
DropAreaWidth = weapon.DropAreaHeight;
}
private static byte GetAlterEndFlags(CustomWeapon weapon)
{
byte flagByte = 0;
if (weapon.DropAreaWidth != null)
{
flagByte += 1;
}
if (weapon.DropAreaHeight != null)
{
flagByte += 2;
}
if (weapon.Scale != null)
{
flagByte += 4;
}
if (weapon.AmmoIdentifier != null)
{
flagByte += 8;
}
if (weapon.UseAmmoIdentifier != null)
{
flagByte += 16;
}
if (weapon.NotAmmo != null)
{
flagByte += 32;
}
return(flagByte);
}