added layout counting

mtc/scripts/global.lua

@@ -3,9 +3,12 @@
 --[[
 global: {
 	total_ticks: int
+	layout_top_id: int
 	stations: {[stop_id]: Station}
 	trains: {[train_id]: Train}
 	trains_available: {[train_id]: bool}
+	layouts: {[layout_id]: Layout}
+	layout_train_count: {[layout_id]: int}
 }
 Station: {
 	deliveries_total: int
@@ -18,9 +21,7 @@ Station: {
 	deliveries: {
 		[item_name]: int
 	}
-	train_layout: [ [ {
-		[car_type]: bool
-	} ] ]
+	train_layout: [char]
 	accepted_layouts: {
 		[layout_id]: bool
 	}
@@ -30,7 +31,6 @@ Train: {
 	layout_id: int
 	item_slot_capacity: int
 	fluid_capacity: int
-	depot_id: int
 	depot_name: string
 	status: int
 	p_station_id: stop_id
@@ -41,12 +41,16 @@ Train: {
 		count: int
 	}]
 }
+Layout: string
 ]]
-
+--TODO: only init once
 global.total_ticks = 0
 global.stations = {}
 global.trains = {}
 global.trains_available = {}
+global.layouts = {}
+global.layout_train_count = {}
+global.layout_top_id = 1
 
 STATUS_D = 0
 STATUS_D_TO_P = 1