/// <summary>
/// Handles SHOP_CREATE from server, response to crafting an item
/// </summary>
private void _handleShopCreate(OldPacket pkt)
{
if (OnShopCraftItem == null)
{
return;
}
short itemID = pkt.GetShort();
byte weight = pkt.GetChar();
byte maxWeight = pkt.GetChar();
List <InventoryItem> inventoryItems = new List <InventoryItem>(4);
while (pkt.ReadPos != pkt.Length)
{
if (pkt.PeekShort() <= 0)
{
break;
}
inventoryItems.Add(new InventoryItem(pkt.GetShort(), pkt.GetInt()));
}
OnShopCraftItem(itemID, weight, maxWeight, inventoryItems);
}
private void _sharedTradeDataProcess(OldPacket pkt, TradeUpdateEvent handler)
{
if (handler == null)
{
return;
}
short player1ID = pkt.GetShort();
List <InventoryItem> player1Items = new List <InventoryItem>();
while (pkt.PeekByte() != 255)
{
player1Items.Add(new InventoryItem(pkt.GetShort(), pkt.GetInt()));
}
pkt.Skip(1);
short player2ID = pkt.GetShort();
List <InventoryItem> player2Items = new List <InventoryItem>();
while (pkt.PeekByte() != 255)
{
player2Items.Add(new InventoryItem(pkt.GetShort(), pkt.GetInt()));
}
pkt.Skip(1);
handler(player1ID, player1Items, player2ID, player2Items);
}
/// <summary>
/// Handler for NPC_REPLY packet, when NPC takes damage from an attack (spell cast or weapon) but is still alive
/// </summary>
private void _handleNPCReply(OldPacket pkt)
{
if (OnNPCTakeDamage == null)
{
return;
}
short spellID = -1;
if (pkt.Family == PacketFamily.Cast)
{
spellID = pkt.GetShort();
}
short fromPlayerID = pkt.GetShort();
EODirection fromDirection = (EODirection)pkt.GetChar();
short npcIndex = pkt.GetShort();
int damageToNPC = pkt.GetThree();
int npcPctHealth = pkt.GetShort();
short fromTP = -1;
if (pkt.Family == PacketFamily.Cast)
{
fromTP = pkt.GetShort();
}
else if (pkt.GetChar() != 1) //some constant 1 in EOSERV
{
return;
}
OnNPCTakeDamage((byte)npcIndex, fromPlayerID, fromDirection, damageToNPC, npcPctHealth, spellID, fromTP);
}
private void _handleSpellTargetSelf(OldPacket pkt)
{
short fromPlayerID = pkt.GetShort();
short spellID = pkt.GetShort();
int spellHP = pkt.GetInt();
byte percentHealth = pkt.GetChar();
if (pkt.ReadPos == pkt.Length)
{
//another player was the source of this packet
if (OnOtherPlayerCastSpellSelf != null)
{
OnOtherPlayerCastSpellSelf(fromPlayerID, spellID, spellHP, percentHealth);
}
return;
}
short characterHP = pkt.GetShort();
short characterTP = pkt.GetShort();
if (pkt.GetShort() != 1) //malformed packet! eoserv sends '1' here
{
return;
}
//main player was source of this packet
if (OnCastSpellSelf != null)
{
OnCastSpellSelf(fromPlayerID, spellID, spellHP, percentHealth, characterHP, characterTP);
}
}
private void _handleItemDrop(OldPacket pkt)
{
if (OnDropItem == null)
{
return;
}
short _id = pkt.GetShort();
int _amount = pkt.GetThree();
int characterAmount = pkt.GetInt(); //amount remaining for the character
OldMapItem item = new OldMapItem
{
ItemID = _id,
Amount = _amount,
UniqueID = pkt.GetShort(),
X = pkt.GetChar(),
Y = pkt.GetChar(),
//turn off drop protection since main player dropped it
DropTime = DateTime.Now.AddSeconds(-5),
IsNPCDrop = false,
OwningPlayerID = 0 //id of 0 means the currently logged in player owns it
};
byte characterWeight = pkt.GetChar(), characterMaxWeight = pkt.GetChar(); //character adjusted weights
OnDropItem(characterAmount, characterWeight, characterMaxWeight, item);
}
private void _handleSpellTargetGroup(OldPacket pkt)
{
if (OnCastSpellTargetGroup == null)
{
return;
}
short spellID = pkt.GetShort();
short fromPlayerID = pkt.GetShort();
short fromPlayerTP = pkt.GetShort();
short spellHealthGain = pkt.GetShort();
var spellTargets = new List <GroupSpellTarget>();
while (pkt.ReadPos != pkt.Length)
{
//malformed packet - eoserv puts 5 '255' bytes between party members
if (pkt.GetBytes(5).Any(x => x != 255))
{
return;
}
spellTargets.Add(new GroupSpellTarget(pkt));
}
OnCastSpellTargetGroup(spellID, fromPlayerID, fromPlayerTP, spellHealthGain, spellTargets);
}
private void _handleSpellTargetOther(OldPacket pkt)
{
if (OnCastSpellTargetOther == null)
{
return;
}
short targetPlayerID = pkt.GetShort();
short sourcePlayerID = pkt.GetShort();
EODirection sourcePlayerDirection = (EODirection)pkt.GetChar();
short spellID = pkt.GetShort();
int recoveredHP = pkt.GetInt();
byte targetPercentHealth = pkt.GetChar();
short targetPlayerCurrentHP = -1;
if (pkt.ReadPos != pkt.Length) //include current hp for player if main player is the target
{
targetPlayerCurrentHP = pkt.GetShort();
}
OnCastSpellTargetOther(
targetPlayerID,
sourcePlayerID,
sourcePlayerDirection,
spellID,
recoveredHP,
targetPercentHealth,
targetPlayerCurrentHP);
}
internal PaperdollDisplayData(OldPacket pkt)
{
//need to be applied to the character that is passed to the dialog
name = pkt.GetBreakString();
home = pkt.GetBreakString();
partner = pkt.GetBreakString();
title = pkt.GetBreakString();
guild = pkt.GetBreakString();
rank = pkt.GetBreakString();
playerID = pkt.GetShort();
clas = pkt.GetChar();
gender = pkt.GetChar();
if (pkt.GetChar() != 0)
{
throw new ArgumentException("Invalid/malformed packet", nameof(pkt));
}
paperdoll = new short[(int)EquipLocation.PAPERDOLL_MAX];
for (int i = 0; i < (int)EquipLocation.PAPERDOLL_MAX; ++i)
{
paperdoll[i] = pkt.GetShort();
}
iconType = (PaperdollIconType)pkt.GetChar();
}
internal ItemUseData(OldPacket pkt)
{
type = (ItemType)pkt.GetChar();
itemID = pkt.GetShort();
characterAmount = pkt.GetInt();
weight = pkt.GetChar();
maxWeight = pkt.GetChar();
hpGain = hp = tp = 0;
hairColor = 0;
effect = 0;
curecurse_stats = null;
expreward_stats = null;
//format differs based on item type
//(keeping this in order with how eoserv ITEM_USE handler is ordered
switch (type)
{
case ItemType.Teleport: /*Warp packet handles the rest!*/ break;
case ItemType.Heal:
{
hpGain = pkt.GetInt();
hp = pkt.GetShort();
tp = pkt.GetShort();
}
break;
case ItemType.HairDye:
{
hairColor = pkt.GetChar();
}
break;
case ItemType.Beer: /*No additional data*/ break;
case ItemType.EffectPotion:
{
effect = pkt.GetShort();
}
break;
case ItemType.CureCurse:
{
curecurse_stats = new CureCurseStats(pkt);
}
break;
case ItemType.EXPReward:
{
//note: server packets may be incorrect at this point (src/handlers/Item.cpp) because of unused builder in eoserv
//note: server also sends an ITEM_ACCEPT packet to surrounding players on level-up?
expreward_stats = new LevelUpStats(pkt, true);
}
break;
}
}
//error learning a skill
private void _handleStatSkillReply(OldPacket pkt)
{
//short - should always be SKILLMASTER_REMOVE_ITEMS (1) or SKILLMASTER_WRONG_CLASS (2)
//short - character class
if (OnSpellLearnError != null)
{
OnSpellLearnError((SkillMasterReply)pkt.GetShort(), pkt.GetShort());
}
}
//skill point added to spell
private void _handleStatSkillAccept(OldPacket pkt)
{
//short - character skill pts remaining
//short - stat ID (spell ID)
//short - spell level
if (OnSpellTrain != null)
{
OnSpellTrain(pkt.GetShort(), pkt.GetShort(), pkt.GetShort());
}
}
private void _handleSpellRequest(OldPacket pkt)
{
short fromPlayerID = pkt.GetShort();
short spellID = pkt.GetShort();
if (OnOtherPlayerStartCastSpell != null)
{
OnOtherPlayerStartCastSpell(fromPlayerID, spellID);
}
}
internal InProgressQuestData(OldPacket pkt)
{
_name = pkt.GetBreakString();
_description = pkt.GetBreakString();
_icon = (BookIcon)pkt.GetShort();
_progress = pkt.GetShort();
_target = pkt.GetShort();
if (pkt.GetByte() != 255)
{
throw new ArgumentException("Malformed quest packet", nameof(pkt));
}
}
internal LevelUpStats(OldPacket pkt, bool includeExp)
{
//includeExp will be false when leveling up from NPC, true from EXPReward
//NPC handler happens slightly differently
exp = includeExp ? pkt.GetInt() : 0;
level = pkt.GetChar();
stat = pkt.GetShort();
skill = pkt.GetShort();
maxhp = pkt.GetShort();
maxtp = pkt.GetShort();
maxsp = pkt.GetShort();
}
private void _handleTradeOpen(OldPacket pkt)
{
if (OnTradeOpen == null)
{
return;
}
short player1ID = pkt.GetShort();
string player1Name = pkt.GetBreakString();
short player2ID = pkt.GetShort();
string player2Name = pkt.GetBreakString();
OnTradeOpen(player1ID, player1Name, player2ID, player2Name);
}
private void _handleItemGet(OldPacket pkt)
{
if (OnGetItemFromMap == null)
{
return;
}
short uid = pkt.GetShort();
short id = pkt.GetShort();
int amountTaken = pkt.GetThree();
byte weight = pkt.GetChar();
byte maxWeight = pkt.GetChar();
OnGetItemFromMap(uid, id, amountTaken, weight, maxWeight);
}
internal CharacterLoginData(OldPacket pkt)
{
name = pkt.GetBreakString();
id = pkt.GetInt();
level = pkt.GetChar();
gender = pkt.GetChar();
hairstyle = pkt.GetChar();
haircolor = pkt.GetChar();
race = pkt.GetChar();
admin = (AdminLevel)pkt.GetChar();
boots = pkt.GetShort();
armor = pkt.GetShort();
hat = pkt.GetShort();
shield = pkt.GetShort();
weapon = pkt.GetShort();
}
private void _handleNPCJunk(OldPacket pkt)
{
if (OnRemoveChildNPCs != null)
{
OnRemoveChildNPCs(pkt.GetShort());
}
}
private void _handleTradeClose(OldPacket pkt)
{
if (OnTradeCancel != null)
{
OnTradeCancel(pkt.GetShort());
}
}
//sent when your trade partner agrees
private void _handleTradeAgree(OldPacket pkt)
{
if (OnTradeOtherPlayerAgree != null)
{
OnTradeOtherPlayerAgree(pkt.GetShort(), pkt.GetChar() != 0);
}
}
private void _handleItemRemove(OldPacket pkt)
{
if (OnRemoveItemFromMap != null)
{
OnRemoveItemFromMap(pkt.GetShort());
}
}
//potion effect (only known use based on eoserv code)
private void _handleEffectPlayer(OldPacket pkt)
{
if (OnEffectPotion != null)
{
OnEffectPotion(playerID: pkt.GetShort(),
effectID: pkt.GetThree());
}
}
//forgetting a skill
private void _handleStatSkillRemove(OldPacket pkt)
{
//short - spell id
if (OnSpellForget != null)
{
OnSpellForget(pkt.GetShort());
}
}
private void _handleRecoverAgree(OldPacket pkt)
{
//when a heal item is used by another player
if (OnPlayerHeal != null)
{
OnPlayerHeal(pkt.GetShort(), pkt.GetInt(), pkt.GetChar()); //player id - hp gain - percent heal
}
}
//success learning a skill
private void _handleStatSkillTake(OldPacket pkt)
{
//short - spell id
//int - character gold remaining
if (OnSpellLearnSuccess != null)
{
OnSpellLearnSuccess(pkt.GetShort(), pkt.GetInt());
}
}
private void _handleEmotePlayer(OldPacket pkt)
{
short playerID = pkt.GetShort();
Emote emote = (Emote)pkt.GetChar();
if (OnOtherPlayerEmote != null)
{
OnOtherPlayerEmote(playerID, emote);
}
}
internal SkillmasterData(OldPacket pkt)
{
m_id = pkt.GetShort();
m_title = pkt.GetBreakString();
m_skills = new List <Skill>();
while (pkt.ReadPos < pkt.Length)
{
m_skills.Add(new Skill(pkt));
}
}
private void _handleTradeRequest(OldPacket pkt)
{
pkt.Skip(1); //something - will always be 123 from this client
short playerID = pkt.GetShort();
string name = pkt.GetEndString();
if (OnTradeRequested != null)
{
OnTradeRequested(playerID, name);
}
}
private void _handleItemAdd(OldPacket pkt)
{
if (OnDropItem == null)
{
return;
}
OldMapItem item = new OldMapItem
{
ItemID = pkt.GetShort(),
UniqueID = pkt.GetShort(),
Amount = pkt.GetThree(),
X = pkt.GetChar(),
Y = pkt.GetChar(),
DropTime = DateTime.Now,
IsNPCDrop = false,
OwningPlayerID = -1 //another player dropped. drop protection says "Item protected" w/o player name
};
OnDropItem(-1, 0, 0, item);
}
/// <summary>
/// Handles LOCKER_GET from server for taking an item from locker
/// </summary>
private void _handleLockerGet(OldPacket pkt)
{
if (OnLockerItemChange == null)
{
return;
}
short itemID = pkt.GetShort();
int amount = pkt.GetThree();
byte weight = pkt.GetChar();
byte maxWeight = pkt.GetChar();
List <InventoryItem> items = new List <InventoryItem>();
while (pkt.ReadPos != pkt.Length)
{
items.Add(new InventoryItem(pkt.GetShort(), pkt.GetThree()));
}
OnLockerItemChange(itemID, amount, weight, maxWeight, true, items);
}
