KillStreak C++ | Kjanko | Tommy ~Fixed

/*
Originally by Kjanko
Edited by Tommy
Edited by Rochet2 ~ Made dynamic
*/

#include "ScriptPCH.h"

class System_OnKill : public PlayerScript
{
    public:
        System_OnKill() : PlayerScript("System_OnKill") {}

    void OnPVPKill(Player * Killer, Player * Victim)
    {
        uint64 KillerGUID = Killer->GetGUID();
        uint64 VictimGUID = Victim->GetGUID();

        struct KillStreak_Info
        {
            uint32 killstreak;
            uint64 lastkill;
        };

        static std::map<uint64, KillStreak_Info> KillStreakData;

        if( KillerGUID == VictimGUID || KillStreakData[KillerGUID].lastkill == VictimGUID )
            return;

        if( KillStreakData[VictimGUID].killstreak >= 3 )
        {
            char msg[250];
            snprintf(msg, 250, "|cFF81CF42%s|r has ended |cFFFFFFFF%s|r's killing spree!", Killer->GetName(), Victim->GetName());
            sWorld->SendServerMessage(SERVER_MSG_STRING, msg);
        }

        KillStreakData[KillerGUID].killstreak++;
        KillStreakData[KillerGUID].lastkill = VictimGUID;
        KillStreakData[VictimGUID].killstreak = 0;
        KillStreakData[VictimGUID].lastkill = 0;

        if( KillStreakData[KillerGUID].killstreak % 10 == 0 ) // send killstreak message every 10 kills
        {
            char msg[250];
            snprintf(msg, 250, "|cFF81CF42%s|r has a killstreak of |cFF42A0CF%u|r!", Killer->GetName(), KillStreakData[KillerGUID].killstreak);
            sWorld->SendServerMessage(SERVER_MSG_STRING, msg);
        }
        else if( KillStreakData[KillerGUID].killstreak == 3 )
        {
            char msg[250];
            snprintf(msg, 250, "|cFF81CF42%s|r is on a killingspree!", Killer->GetName());
            sWorld->SendServerMessage(SERVER_MSG_STRING, msg);
        }

    }
};

void AddSC_PvP_System()
{
    new System_OnKill;
}