fix: structure generation issue on swamp

control.lua

@@ -1,6 +1,6 @@
 require 'utils.data_stages'
 _LIFECYCLE = _STAGE.control -- Control stage
-_DEBUG = false
+_DEBUG = true
 _DUMP_ENV = false
 
 require 'utils.server'
@@ -112,7 +112,7 @@ require 'utils.freeplay'
 --require 'maps.chronosphere.main'
 
 --![[Adventure as a crew of pirates]]--
---require 'maps.pirates.main'
+require 'maps.pirates.main'
 
 --![[Launch rockets in increasingly harder getting worlds.]]--
 --require 'maps.journey.main'

maps/pirates/commands.lua

@@ -804,6 +804,28 @@ if _DEBUG then
 		end
 	end)
 
+	commands.add_command(
+	'1/4',
+	'is a dev command.',
+	function(cmd)
+		local param = tostring(cmd.parameter)
+		if check_admin(cmd) then
+		local player = game.players[cmd.player_index]
+			game.speed = 0.5
+		end
+	end)
+
+	commands.add_command(
+	'1/2',
+	'is a dev command.',
+	function(cmd)
+		local param = tostring(cmd.parameter)
+		if check_admin(cmd) then
+		local player = game.players[cmd.player_index]
+			game.speed = 0.5
+		end
+	end)
+
 	commands.add_command(
 	'1',
 	'is a dev command.',

maps/pirates/tick_functions.lua

@@ -449,6 +449,11 @@ function Public.place_cached_structures(tickinterval)
 
 	if (not destination.dynamic_data) or (not destination.dynamic_data.structures_waiting_to_be_placed) or (not surface_name) or (not game.surfaces[surface_name]) or (not game.surfaces[surface_name].valid) then return end
 
+	if not (memory.boat and memory.boat.surface_name and memory.boat.surface_name == surface_name) then
+		return --We only want to generate structures once the players arrive on the island. Otherwise, the following issue happens. 2x2 structures force-generate nearby chunks. But if the island has many structures, that could cause a domino effect of chunk-generation, lagging the game.
+		-- Since this change, this function has little conceptual reason to be an on_tick function, but it makes sense to run it a few ticks after you teleport to the island, so it can stay one for now.
+	end
+
 	local surface = game.surfaces[surface_name]
 
 	local structures = destination.dynamic_data.structures_waiting_to_be_placed