added capacity sorting

.vscode/launch.json

@@ -28,7 +28,6 @@
                 "debugadapter": true,
                 "flib": true,
                 "cybersyn": true,
-                "creative-mod": true,
             },
             "disableExtraMods": false
         },

cybersyn/scripts/central-planning.lua

@@ -170,6 +170,7 @@ local function get_valid_train(map_data, r_station_id, p_station_id, item_type)
 
 	---@type Depot|nil
 	local best_depot = nil
+	local best_capacity = 0
 	local best_dist = INF
 	local valid_train_exists = false
 
@@ -182,9 +183,10 @@ local function get_valid_train(map_data, r_station_id, p_station_id, item_type)
 			local layout_id = train.layout_id
 			--check cargo capabilities
 			--check layout validity for both stations
+			local capacity = (is_fluid and train.fluid_capacity) or train.item_slot_capacity
 			if
+			capacity > 0 and
 			btest(netand, depot.network_flag) and
-			((is_fluid and train.fluid_capacity > 0) or (not is_fluid and train.item_slot_capacity > 0)) and
 			(r_station.is_all or r_station.accepted_layouts[layout_id]) and
 			(p_station.is_all or p_station.accepted_layouts[layout_id])
 			then
@@ -194,7 +196,8 @@ local function get_valid_train(map_data, r_station_id, p_station_id, item_type)
 				local d_to_p_dist = get_stop_dist(depot.entity_stop, p_station.entity_stop) - DEPOT_PRIORITY_MULT*depot.priority
 
 				local dist = d_to_p_dist
-				if dist < best_dist then
+				if capacity > best_capacity or (capacity == best_capacity and dist < best_dist) then
+					best_capacity = capacity
 					best_dist = dist
 					best_depot = depot
 				end

cybersyn/scripts/layout.lua

@@ -3,6 +3,8 @@ local area = require("__flib__.area")
 local abs = math.abs
 local floor = math.floor
 local ceil = math.ceil
+local string_find = string.find
+local string_sub = string.sub
 
 local function iterr(a, i)
 	i = i + 1
@@ -431,11 +433,11 @@ local function reset_station_layout(map_data, station, forbidden_entity)
 			search_area = area.move(search_area, area_delta)
 		end
 	end
-	layout_pattern = string.sub(layout_pattern, 1, pattern_length)..STATION_LAYOUT_NA.."*$"
+	layout_pattern = string_sub(layout_pattern, 1, pattern_length)..STATION_LAYOUT_NA.."*$"
 	station.layout_pattern = layout_pattern
 	local accepted_layouts = station.accepted_layouts
 	for id, layout in pairs(map_data.layouts) do
-		if string.find(layout, layout_pattern) ~= nil then
+		if string_find(layout, layout_pattern) ~= nil then
 			accepted_layouts[id] = true
 		else
 			accepted_layouts[id] = nil