gambler.cpp

//updated
// added check for negative bets

#include "ScriptedCreature.h"
#include "ScriptedGossip.h"
#include "WorldSession.h"
#include "Player.h"
#include "ScriptMgr.h"
#include "Random.h"
#include "Chat.h"

/* config */
#define AMOUNT_IN_GOLD true
#define WIN_PERCENTAGE 50
/* config end */

#define GOLD(b,f) f ? b/10000 : b*10000

class Gamble_npc : public CreatureScript
{
public:
    Gamble_npc() : CreatureScript("Gambler") {}

    struct Gamble_npc_AI : public ScriptedAI
    {
        Gamble_npc_AI(Creature* creature) : ScriptedAI(creature) { }

        bool GossipHello(Player* player)
        {
            ClearGossipMenuFor(player);
            std::string text = "Enter money amount " + std::string(AMOUNT_IN_GOLD ? "in gold" : "in copper");
            AddGossipItemFor(player, GOSSIP_ICON_MONEY_BAG, "|TInterface\\Icons\\INV_Misc_Coin_02:30|t Let's Gamble!", GOSSIP_SENDER_MAIN, 1, text, 0, true);
            AddGossipItemFor(player, GOSSIP_ICON_CHAT, "|TInterface\\Icons\\Spell_Shadow_SacrificialShield:30|t Goodbye", GOSSIP_SENDER_MAIN, 500);
            SendGossipMenuFor(player, DEFAULT_GOSSIP_MESSAGE, me->GetGUID());
            return true;
        }

        bool GossipSelect(Player* player, uint32 /*menuId*/, uint32 gossipListId)
        {
            uint32 const sender = player->PlayerTalkClass->GetGossipOptionSender(gossipListId);
            uint32 const action = player->PlayerTalkClass->GetGossipOptionAction(gossipListId);

            ClearGossipMenuFor(player);

            if (sender == GOSSIP_SENDER_MAIN)
            {
                if (action == 500)
                {
                    CloseGossipMenuFor(player);
                }
            }
            return true;
        }

        bool GossipSelectCode(Player* player, uint32 menuId, uint32 gossipListId, char const* code)
        {
            uint32 const sender = player->PlayerTalkClass->GetGossipOptionSender(gossipListId);
            uint32 const action = player->PlayerTalkClass->GetGossipOptionAction(gossipListId);

            int32 betAmount = atoi(code);
            
            bool isNegative = betAmount < 0;
            if (!betAmount || isNegative)
            {
                player->GetSession()->SendNotification("Invalid bet amount");
                GossipHello(player);
                return false;
            }

            int32 money = AMOUNT_IN_GOLD ? GOLD(player->GetMoney(), true) : player->GetMoney();
            if (money < betAmount)
            {
                player->GetSession()->SendNotification("You don't have enough money");
                GossipHello(player);
                return false;
            }

            int32 doubledBetAmount = betAmount * 2;

            std::stringstream ss;
            ss << "|cffE68318[Gamble System]:|r |cff00ff00You won and doubled your bet! +" << doubledBetAmount << " gold";
            std::string winTextStr = ss.str();

            std::stringstream ss1;
            ss1 << "|cffE68318[Gamble System]:|r |cffFF0000You lost.. better luck next time! -" << betAmount << " gold";
            std::string lossTextStr = ss1.str();

            int32 randVal = 100 / WIN_PERCENTAGE - 1;
            if (!urand(0, randVal)) // player won
            {
                player->ModifyMoney(AMOUNT_IN_GOLD ? GOLD(doubledBetAmount, false) : doubledBetAmount);
                player->GetSession()->SendAreaTriggerMessage(winTextStr.c_str());
                ChatHandler(player->GetSession()).PSendSysMessage(winTextStr.c_str());
               
            }
            else
            {
                player->ModifyMoney(AMOUNT_IN_GOLD ? GOLD(-betAmount, false) : ~betAmount + 1u);
                player->GetSession()->SendAreaTriggerMessage(lossTextStr.c_str());
                ChatHandler(player->GetSession()).PSendSysMessage(lossTextStr.c_str());
            }
            GossipHello(player);
            return true;
        }
    };

    CreatureAI* GetAI(Creature* creature) const override
    {
        return new Gamble_npc_AI(creature);
    }
};

void AddSC_Gamble_npc()
{
    new Gamble_npc();
}