local cfg1 = require("config.config-1") local dr = data.raw local tech = dr.technology local FRG = { -- Default fast_replaceable_group ["stone-wall"] = "wall", ["gate"] = "wall" } local stone_wall = dr.wall["stone-wall"] local stone_gate = dr.gate["gate"] if not cfg1.class_on["concrete-wall"] then tech["Schall-concrete-wall"] = nil else if stone_wall then if stone_wall.fast_replaceable_group ~= FRG[stone_wall.name] then stone_wall.fast_replaceable_group = FRG[stone_wall.name] end stone_wall.next_upgrade = "Schall-concrete-wall" end if stone_gate then if stone_gate.fast_replaceable_group ~= FRG[stone_gate.name] then stone_gate.fast_replaceable_group = FRG[stone_gate.name] end stone_gate.next_upgrade = "Schall-concrete-gate" end end