Exp on Kill - MHLab

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-- EXP on Kill quest by ManHunter
---------------------------------
quest exp_kill begin
    state start begin
        -------------------
        -- Inizio functions
        -------------------
        function GetScriptData(data)
            local questData = { ['expConstMul'] = 3,
                                ['expMul'] = 25,
                                ['goldConstMul'] = 4,
                                ['goldMul'] = 20,
                                ['successProb'] = 65,
                                ['extraSuccessProb'] = 20,
                                ['numOfRewards'] = 2}
            return rawget(questData, data)
        end

        function GetRewardItem(reward, extra)
            if extra == 1 then
                local extraRewardList = {   4592,
                                            7676 }
                return extraRewardList[reward]
            else
                local rewardList = {    1000,
                                        3902 }
                return rewardList[reward]
            end
        end

        function GetRewardExp(mul)
            local expGained = 0
            if math.random(1, 100) <= GetScriptData('successProb') then
                expGained = (exp_kill.GetScriptData('expConstMul') * math.random(1, exp_kill.GetScriptData('expMul')) * pc.level * mul ) + exp_kill.GetScriptData('expMul')
                return expGained
            else
                expGained = math.random(1, exp_kill.GetScriptData('expMul'))
                return expGained
            end
        end

        function GetRewardGold(mul)
            local goldGained = 0
            if math.random(1, 100) <= GetScriptData('successProb') then
                goldGained = (exp_kill.GetScriptData('goldConstMul') * math.random(1, exp_kill.GetScriptData('goldMul')) * pc.level * mul ) + exp_kill.GetScriptData('goldMul')
                return goldGained
            else
                goldGained = math.random(1, exp_kill.GetScriptData('expMul'))
                return goldGained
            end
        end
        -----------------
        -- Fine functions
        -----------------

        when kill with npc.is_pc() and pc.level >= 15 and pc.level < 100 and npc.get_empire() ~= pc.get_empire() begin
            if math.random(1, 100) <= exp_kill.GetScriptData('successProb') then
                pc.give_item2(exp_kill.GetRewardItem(math.random(1, exp_kill.GetScriptData('numOfRewards')), 0), 1)
                if math.random(1, 100) <= exp_kill.GetScriptData('extraSuccessProb') then
                    pc.give_item2(exp_kill.GetRewardItem(math.random(1, exp_kill.GetScriptData('numOfRewards')), 1), 1)
                end
            end
            if math.random(1, 100) <= exp_kill.GetScriptData('successProb') then
                local expGained = exp_kill.GetRewardExp(100)
                if math.random(1, 100) <= exp_kill.GetScriptData('extraSuccessProb') then
                    expGained = expGained + exp_kill.GetRewardExp(25)
                end
                pc.give_exp2(expGained)
            end
            if math.random(1, 100) <= exp_kill.GetScriptData('successProb') then
                local goldGained = exp_kill.GetRewardGold(10)
                if math.random(1, 100) <= exp_kill.GetScriptData('extraSuccessProb') then
                    goldGained = goldGained + exp_kill.GetRewardGold(2)
                end
                pc.changegold(goldGained)
            end
        end
    end
end