Map-dynamic upgrade costs

--Table of map-specific Citadel Upgrade cost multipliers
--Format: MapName = { UpgradeName1 = Multiplier, UpgradeName2 = Multiplier }
MapCostMults = {
    MAP09 = { --Leviathan
        CUpgradeStructure01 = 2.0, --2x cost mult for Trebuchets
    },
}

--Get map path
local mapPath, luaState = false, false
if IsUser() then
    luaState = 'User'
    mapPath = SessionGetScenarioInfo().map
elseif IsSim() then
    luaState = 'Sim'
    mapPath = ScenarioInfo.map
end

--Extract map name and apply cost modifications
if mapPath and type(mapPath) == 'string' then
    LOG("CitadelUpgrades: Applying map-dynamic upgrade costs for state: "..luaState)
    local mapName = string.match(mapPath, '(MAP%d+)%.scmap$')
    if not mapName then
        WARN("\tCould not get map name from path '"..mapPath.."', aborting")
    elseif MapCostMults[mapName] then
        LOG("Map name: "..mapName)
        for name, mult in MapCostMults[mapName] do
            local upgrade = Upgrades.Tree[name]
            if upgrade then
                local newCost = upgrade.Cost * mult
                LOG("\t"..name..", "..mult..":\t"..upgrade.Cost.." ->\t"..newCost)
                upgrade.Cost = newCost
            else
                WARN("\tCould not find upgrade '"..name.."', skipping")
            end
        end
    else
        LOG("\tNo cost mult data for map name '"..mapName.."'")
    end
elseif not IsRuleInit() then
    WARN("CitadelUpgrades: Could not get scenario data for state: "..luaState)
end