Payday 2 CarryStacker smart limiter

local carry_limits = {
    -- modifer_power    --> How much additional bags affect on this modifier (bigger - slower)
    -- min_val          --> Minimal value of that modifier
    move_speed_modifier =   {   modifer_power = 0.35,   min_val = 0.15  },
    jump_modifier       =   {   modifer_power = 0.2,    min_val = 0.35  },
}

if inGame == nil then
    -- INGAME CHECK
    inGame = function()
        if not game_state_machine then return false end
        return string.find(game_state_machine:current_state_name(), "game")
    end
end

function append_carry_limits(in_value, modifer_type)
    local out_value = in_value

    if managers.player.carry_stack ~= nil and #managers.player.carry_stack > 0 then
        for _,v in pairs(managers.player.carry_stack) do
            if type(v) == "table" then
                --ChatMessage(tostring(v.carry_id))
                if tweak_data.carry[v.carry_id] ~= nil then
                    local carry_type = tweak_data.carry[v.carry_id].type

                    if tweak_data.carry.types[carry_type] ~= nil then
                        local add_mul = (1 - tweak_data.carry.types[carry_type][modifer_type]) * carry_limits[modifer_type].modifer_power
                        if add_mul < 0 then add_mul = 0 end
                        out_value = out_value - add_mul
                        if out_value < 0 then out_value = carry_limits[modifer_type].min_val end
                        if out_value > 1 then out_value = 1 end
                        --ChatMessage(tostring(out_value))
                    end
                end
            end
        end
    end

    return out_value
end

if not CarryStackerLimits then
    if inGame() and managers.player.carry_stack ~= nil then
        tweak_data.carry.types.light.move_speed_modifier        = 0.9   -- 1.0 in orig game (Diamonds and jewelry)
        tweak_data.carry.types.coke_light.move_speed_modifier   = 0.9   -- types.light

        -- Walk Speed
        function PlayerCarry:_get_max_walk_speed(...)
            local multiplier = tweak_data.carry.types[self._tweak_data_name].move_speed_modifier

            if managers.player:has_category_upgrade("carry", "movement_penalty_nullifier") then
                multiplier = 1
            else
                multiplier = append_carry_limits(multiplier, "move_speed_modifier") -- new
                multiplier = math.clamp(multiplier * managers.player:upgrade_value("carry", "movement_speed_multiplier", 1), 0, 1)
            end

            return PlayerCarry.super._get_max_walk_speed(self, ...) * multiplier
        end

        -- Bobbing effect
        function PlayerCarry:_get_walk_headbob(...)
            local multiplier = append_carry_limits(tweak_data.carry.types[self._tweak_data_name].move_speed_modifier, "move_speed_modifier")    -- new
            return PlayerCarry.super._get_walk_headbob(self, ...) * multiplier
        end

        -- Jump power
        function PlayerCarry:_perform_jump(jump_vec)
            if managers.player:has_category_upgrade("carry", "movement_penalty_nullifier") then
            else
                local multiplier = append_carry_limits(tweak_data.carry.types[self._tweak_data_name].jump_modifier, "jump_modifier")    -- new
                mvector3.multiply(jump_vec, multiplier)
            end

            PlayerCarry.super._perform_jump(self, jump_vec)
        end

        -- Can Run
        function PlayerCarry:_check_action_run(...) -- new
            local bCanRun = tweak_data.carry.types[self._tweak_data_name].can_run

            if bCanRun == true then
                if managers.player.carry_stack ~= nil and #managers.player.carry_stack > 0 then
                    for _,v in pairs(managers.player.carry_stack) do
                        if type(v) == "table" then
                            if tweak_data.carry[v.carry_id] ~= nil then
                                local carry_type = tweak_data.carry[v.carry_id].type

                                if tweak_data.carry.types[carry_type] ~= nil then
                                    if tweak_data.carry.types[carry_type].can_run == false then
                                        bCanRun = false
                                        break
                                    end
                                end
                            end
                        end
                    end
                end
            end

            if bCanRun or managers.player:has_category_upgrade("carry", "movement_penalty_nullifier") then
                PlayerCarry.super._check_action_run(self, ...)
            end
        end

        CarryStackerLimits = true
        return
    end
end