1. void WorldSession::SendUpdateTrade(bool trader_state /*= true*/)
  2. {
  3. TradeData* view_trade = trader_state ? _player->GetTradeData()->GetTraderData() : _player->GetTradeData();
  5. WorldPacket data(SMSG_TRADE_STATUS_EXTENDED, (100)); // guess size
  6. data << uint32(0); // added in 2.4.0, this value must be equal to value from TRADE_STATUS_OPEN_WINDOW status packet (different value for different players to block multiple trades?)
  7. data << uint32(0); // unk 2
  8. data << uint64(view_trade->GetMoney()); // trader gold
  9. data << uint32(view_trade->GetSpell()); // spell casted on lowest slot item
  10. data << uint32(TRADE_SLOT_COUNT); // trade slots count/number?, = next field in most cases
  11. data << uint32(0); // unk 5
  12. data << uint8(trader_state ? 1 : 0); // send trader or own trade windows state (last need for proper show spell apply to non-trade slot)
  13. data << uint32(TRADE_SLOT_COUNT); // trade slots count/number?, = prev field in most cases
  15. uint8 itemCount = 0;
  16. for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
  17. if (Item* item = view_trade->GetItem(TradeSlots(i)))
  18. ++itemCount;
  20. data.WriteBits(itemCount, 22);
  22. uint8 creatorGuidMask[] = { 7, 1, 4, 6, 2, 3, 5, 0 };
  23. uint8 giftCreatorGuidMask[] = { 7, 1, 3, 6, 4, 2, 0, 5 };
  24. uint8 creatorGuidBytes[] = { 1, 6, 2, 7, 4, 3, 0, 5 };
  25. uint8 giftCreatorGuidBytes[] = { 6, 1, 7, 4, 0, 5, 2, 3 };
  27. for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
  28. {
  29. if (Item* item = view_trade->GetItem(TradeSlots(i)))
  30. {
  31. ObjectGuid creatorGuid = item->GetGuidValue(ITEM_FIELD_CREATOR);
  32. ObjectGuid giftCreatorGuid = item->GetGuidValue(ITEM_FIELD_GIFTCREATOR);
  34. data.WriteGuidMask(giftCreatorGuid, giftCreatorGuidMask, 2, 0);
  35. data.WriteBit(!item->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_WRAPPED));
  36. data.WriteGuidMask(giftCreatorGuid, giftCreatorGuidMask, 1, 2);
  37. if (!item->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_WRAPPED))
  38. {
  39. data.WriteGuidMask(creatorGuid, creatorGuidMask, 7, 0);
  40. data.WriteBit(item->GetProto()->LockID && !item->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_UNLOCKED));
  41. data.WriteGuidMask(creatorGuid, creatorGuidMask, 1, 7);
  42. }
  43. data.WriteGuidMask(giftCreatorGuid, giftCreatorGuidMask, 5, 3);
  44. }
  45. }
  47. for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
  48. {
  49. if (Item* item = view_trade->GetItem(TradeSlots(i)))
  50. {
  51. ObjectGuid creatorGuid = item->GetGuidValue(ITEM_FIELD_CREATOR);
  52. ObjectGuid giftCreatorGuid = item->GetGuidValue(ITEM_FIELD_GIFTCREATOR);
  54. if (!item->HasFlag(ITEM_FIELD_FLAGS, ITEM_DYNFLAG_WRAPPED))
  55. {
  56. data.WriteGuidBytes(creatorGuid, creatorGuidBytes, 1, 0);
  57. data << uint32(item->GetEnchantmentId(PERM_ENCHANTMENT_SLOT));
  58. for (uint32 enchant_slot = SOCK_ENCHANTMENT_SLOT; enchant_slot < SOCK_ENCHANTMENT_SLOT + MAX_GEM_SOCKETS; ++enchant_slot)
  59. data << uint32(item->GetEnchantmentId(EnchantmentSlot(enchant_slot)));
  60. data << uint32(item->GetUInt32Value(ITEM_FIELD_MAXDURABILITY));
  61. data.WriteGuidBytes(creatorGuid, creatorGuidBytes, 4, 1);
  62. data << uint32(0); // reforge Id
  63. data << uint32(item->GetUInt32Value(ITEM_FIELD_DURABILITY));
  64. data << uint32(item->GetItemRandomPropertyId());
  65. data.WriteGuidBytes(creatorGuid, creatorGuidBytes, 1, 5);
  66. data << uint32(0); // UnkInt32_4
  67. data.WriteGuidBytes(creatorGuid, creatorGuidBytes, 1, 6);
  68. data << uint32(item->GetSpellCharges()); // charges
  69. data << uint32(item->GetItemSuffixFactor());
  70. data.WriteGuidBytes(creatorGuid, creatorGuidBytes, 1, 7);
  71. }
  73. data.WriteGuidBytes(giftCreatorGuid, giftCreatorGuidBytes, 4, 0);
  74. data << uint32(item->GetProto()->ItemId); // entry
  75. data.WriteGuidBytes(giftCreatorGuid, giftCreatorGuidBytes, 1, 4);
  76. data << uint32(item->GetCount()); // stack count
  77. data.WriteGuidBytes(giftCreatorGuid, giftCreatorGuidBytes, 1, 5);
  78. data << uint8(i);
  79. data.WriteGuidBytes(giftCreatorGuid, giftCreatorGuidBytes, 2, 6);
  80. }
  81. }
  83. SendPacket(&data);
  84. }