refactor(Core/Player): extract KillRewarder, TradeData and PlayerTaxi (#6804)

src/server/game/Entities/Player/TradeData.cpp

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
+ */
+
+#include "Player.h"
+
+TradeData* TradeData::GetTraderData() const
+{
+    return m_trader->GetTradeData();
+}
+
+Item* TradeData::GetItem(TradeSlots slot) const
+{
+    return m_items[slot] ? m_player->GetItemByGuid(m_items[slot]) : nullptr;
+}
+
+bool TradeData::HasItem(ObjectGuid itemGuid) const
+{
+    for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
+        if (m_items[i] == itemGuid)
+            return true;
+
+    return false;
+}
+
+TradeSlots TradeData::GetTradeSlotForItem(ObjectGuid itemGuid) const
+{
+    for (uint8 i = 0; i < TRADE_SLOT_COUNT; ++i)
+        if (m_items[i] == itemGuid)
+            return TradeSlots(i);
+
+    return TRADE_SLOT_INVALID;
+}
+
+Item* TradeData::GetSpellCastItem() const
+{
+    return m_spellCastItem ? m_player->GetItemByGuid(m_spellCastItem) : nullptr;
+}
+
+void TradeData::SetItem(TradeSlots slot, Item* item)
+{
+    ObjectGuid itemGuid = item ? item->GetGUID() : ObjectGuid::Empty;
+
+    if (m_items[slot] == itemGuid)
+        return;
+
+    m_items[slot] = itemGuid;
+
+    SetAccepted(false);
+    GetTraderData()->SetAccepted(false);
+
+    Update();
+
+    // need remove possible trader spell applied to changed item
+    if (slot == TRADE_SLOT_NONTRADED)
+        GetTraderData()->SetSpell(0);
+
+    // need remove possible player spell applied (possible move reagent)
+    SetSpell(0);
+}
+
+void TradeData::SetSpell(uint32 spell_id, Item* castItem /*= nullptr*/)
+{
+    ObjectGuid itemGuid = castItem ? castItem->GetGUID() : ObjectGuid::Empty;
+
+    if (m_spell == spell_id && m_spellCastItem == itemGuid)
+        return;
+
+    m_spell = spell_id;
+    m_spellCastItem = itemGuid;
+
+    SetAccepted(false);
+    GetTraderData()->SetAccepted(false);
+
+    Update(true);                                           // send spell info to item owner
+    Update(false);                                          // send spell info to caster self
+}
+
+void TradeData::SetMoney(uint32 money)
+{
+    if (m_money == money)
+        return;
+
+    if (!m_player->HasEnoughMoney(money))
+    {
+        m_player->GetSession()->SendTradeStatus(TRADE_STATUS_BUSY);
+        return;
+    }
+
+    m_money = money;
+
+    SetAccepted(false);
+    GetTraderData()->SetAccepted(false);
+
+    Update(true);
+}
+
+void TradeData::Update(bool forTarget /*= true*/)
+{
+    if (forTarget)
+        m_trader->GetSession()->SendUpdateTrade(true);      // player state for trader
+    else
+        m_player->GetSession()->SendUpdateTrade(false);     // player state for player
+}
+
+void TradeData::SetAccepted(bool state, bool crosssend /*= false*/)
+{
+    m_accepted = state;
+
+    if (!state)
+    {
+        if (crosssend)
+            m_trader->GetSession()->SendTradeStatus(TRADE_STATUS_BACK_TO_TRADE);
+        else
+            m_player->GetSession()->SendTradeStatus(TRADE_STATUS_BACK_TO_TRADE);
+    }
+}