Killstreak

#include "ScriptPCH.h"
// Edited from Parranoia's script:
// http://pastebin.com/mBUfpgaE

struct KillstreakData { uint32 killstreak, high_ks; };
static UNORDERED_MAP<uint64, KillstreakData> m_killstreak;

void alertServer(Player * killer, Player * victim, uint32 killstreak, int code)
{
    char msg[256];
    switch(code)
    {
    case 0: sprintf(msg, "|cffff0000[Killstreak] |cffffffff%s's |cff00ffffkillstreak of %u has been ended by |cffffffff%s", victim->GetName(), killstreak, killer->GetName()); break;
    case 1: sprintf(msg, "|cffff0000[Killstreak] |cffffffff%s|cff00ffff has a killstreak of %u", killer->GetName(), killstreak); break;
    case 2: sprintf(msg, "|cffff0000[Killstreak] |cffffffff%s|cff00ffff has a killstreak of %u. A bounty worth 50 arena points has been placed for their head.", killer->GetName(), killstreak); break;
    }
    sWorld->SendServerMessage(SERVER_MSG_STRING, msg, 0);
}

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

    void OnPVPKill(Player * killer, Player * victim)
    {
        uint64 kGUID = killer->GetGUID();
        uint64 vGUID = victim->GetGUID();
        if (kGUID == vGUID)
            return;
        if (killer->InArena() || victim->InArena())
            return;

        m_killstreak[kGUID].killstreak++;
        uint32 kKillstreak = m_killstreak[kGUID].killstreak;
        uint32 vKillstreak = m_killstreak[vGUID].killstreak;

        m_killstreak[kGUID].high_ks = kKillstreak > m_killstreak[kGUID].high_ks ? kKillstreak : m_killstreak[kGUID].high_ks;

        if (vKillstreak >= 25)
            killer->ModifyArenaPoints(50);
        if (vKillstreak >= 5)
            alertServer(killer, victim, vKillstreak, 0);
        m_killstreak[vGUID].killstreak = 0;

        if(kKillstreak > 0) // hate large switches
        {
            if(kKillstreak % 5 == 0)
            {
                alertServer(killer, victim, kKillstreak, kKillstreak <= 20 ? 1 : 2);
                if(kKillstreak == 5)
                    killer->AddItem(6657, 5);
                else if(kKillstreak == 15)
                    killer->AddItem(8529, 15);
                else if(kKillstreak % 10 == 0)
                    killer->AddItem(20558, uint32(kKillstreak/10));
            }
        }
    }

    void OnLogin(Player* player)
    {
        QueryResult ks = CharacterDatabase.PQuery("SELECT ks, high_ks FROM killstreak WHERE guid = %u", player->GetGUIDLow());
        if (!ks)
            return;
        Field * killstreak = ks->Fetch();
        KillstreakData temp = {killstreak[0].GetUInt32(), killstreak[1].GetUInt32()};
        m_killstreak[player->GetGUID()] = temp;
    }

    void OnLogout(Player* player)
    {
        uint64 pGUID = player->GetGUID();
        if(m_killstreak.find(pGUID) != m_killstreak.end())
            CharacterDatabase.PExecute("REPLACE INTO killstreak (guid, ks, high_ks) VALUES (%u, %u, %u)", m_killstreak[pGUID].killstreak, m_killstreak[pGUID].high_ks, player->GetGUIDLow());
    }
};

void AddSC_Killstreak()
{
    new Killstreak();
}