-- Scales all reputation changes received from NPC conversation in Enroth
-- Can be saved into a file in Scripts/Global
-- The scaling method is a bit convoluted, but it should work with any
-- scaling factor without losing points to rounding errors.

local SCALE_FACTOR = 50

vars.EnrothQuestRep = vars.EnrothQuestRep or 0
vars.EnrothRescaledQuestRep = vars.EnrothRescaledQuestRep or 0

local function InEnroth()
    return TownPortalControls.GetCurrentSwitch() == 3
end

local reputation_before, talking_with_enrothian

function events.ShowNPCTopics()
    if talking_with_enrothian or not InEnroth() then
        return
    end
    talking_with_enrothian = true
    reputation_before = NPCFollowers.GetPartyReputation()
end

function events.ExitNPC()
    local need_rescaling = talking_with_enrothian
    talking_with_enrothian = false
    if not need_rescaling then
        return
    end
    local rep_change = NPCFollowers.GetPartyReputation() - reputation_before
    vars.EnrothQuestRep = vars.EnrothQuestRep + rep_change
    local new_rescaled = math.round(vars.EnrothQuestRep / SCALE_FACTOR)
    local rescaled_change = new_rescaled - vars.EnrothRescaledQuestRep
    evt.Add("Reputation", rescaled_change - rep_change)
    vars.EnrothRescaledQuestRep = new_rescaled
end