game/i18n/texts.csv

@@ -7,7 +7,7 @@ LOAD_FAILED,Der Spielstand ließ sich nicht laden,The save could not be loaded
 INVENTORY_FULL,Die Tasche ist voll,Your bag is full
 PAUSED,Pause,Paused
 SIMULATION_STOPPED,Die Simulation wurde angehalten,The simulation stopped
-HELP,WASD: laufen · Linke Maustaste: Stein schlagen · F5: speichern · F9: laden · Esc: Pause,WASD: walk · Left mouse button: break rock · F5: save · F9: load · Esc: pause
+HELP,WASD: laufen · Linke Maustaste: Stein schlagen · F2: Stil wechseln · F5: speichern · F9: laden · Esc: Pause,WASD: walk · Left mouse button: break rock · F2: change the style · F5: save · F9: load · Esc: pause
 DEFAULT_NAME,Spieler,Player
 MENU_NAME,Dein Name,Your name
 MENU_SOLO,Allein spielen,Play alone
@@ -38,6 +38,7 @@ SAVE_UNREADABLE,Der Spielstand lässt sich gerade nicht lesen,The save cannot be
 STYLE_WARM,Warm,Warm
 STYLE_PASTEL,Pastell,Pastel
 STYLE_GLOW,Glimmen,Glow
+STYLE_SWITCHED,Stil: %s,Style: %s
 MENU_SHOWCASE,Stilproben ansehen,See the style samples
 SHOWCASE_TITLE,Stilprobe: %s,Style sample: %s
 SHOWCASE_BACK,Zurück,Back

game/scripts/launch_options.gd

@@ -9,6 +9,8 @@ extends RefCounted
 ##   --host           opens the world for guests at once
 ##   --port=PORT      the port an open world listens on
 ##   --join=ADDRESS   joins a host at once; ADDRESS may end in ":PORT"
+##   --style=NAME     draws the playing field in the style NAME: warm,
+##                    pastel or glow
 
 ## Longest profile name.
 const MAX_PROFILE_LENGTH := 32
@@ -21,6 +23,8 @@ var player_name := ""
 var start := ""
 var port := NetLink.DEFAULT_PORT
 var address := ""
+## The style to draw in, or empty for the one in the settings.
+var style := &""
 ## Arguments that were not understood and are ignored.
 var ignored := PackedStringArray()
 
@@ -50,6 +54,11 @@ static func parse(arguments: PackedStringArray) -> LaunchOptions:
 			"--join":
 				options.start = "join"
 				options.address = value
+			"--style":
+				if Art.style_keys().has(StringName(value)):
+					options.style = StringName(value)
+				else:
+					options.ignored.append(argument)
 			_:
 				options.ignored.append(argument)
 	return options

game/scripts/main.gd

@@ -83,6 +83,8 @@ func _ready() -> void:
 	clock = TickClock.new(GwSession.TICKS_PER_SECOND)
 	art = Art.new()
 	art.load_overrides(Art.OVERRIDE_DIR)
+	if not art.select(options.style):
+		art.select(StringName(store.style()))
 	map_view = MapView.new()
 	map_view.art = art
 	add_child(map_view)
@@ -253,11 +255,13 @@ func _hide_showcase() -> void:
 	showcase.process_mode = Node.PROCESS_MODE_DISABLED
 
 
-## Draws the playing field again after the style changed.
+## Draws the playing field again after the style changed, and remembers the
+## style for the next start.
 func _redraw_art() -> void:
 	map_view.redraw()
 	for node: Node2D in [marker, figures, avatar]:
 		node.queue_redraw()
+	store.set_style(String(art.style.key()))
 
 
 ## Says in the status line how the game is shared, and with how many.
@@ -390,6 +394,9 @@ func _unhandled_input(event: InputEvent) -> void:
 			_set_paused(not clock.paused)
 		else:
 			hud.flash("PAUSE_ONLY_ALONE")
+	elif event.is_action_pressed("next_style"):
+		art.select_next()
+		hud.flash("STYLE_SWITCHED", [tr(art.style.title_key())])
 
 
 ## Goes back to the saved world. Only when playing alone: guests would no

game/scripts/save_store.gd

@@ -146,6 +146,15 @@ func set_last_address(address: String) -> void:
 	_set_setting("network", "address", address)
 
 
+## The key of the style the player chose last time, or an empty text.
+func style() -> String:
+	return _setting("display", "style")
+
+
+func set_style(key: String) -> void:
+	_set_setting("display", "style", key)
+
+
 func _setting(section: String, key: String) -> String:
 	var settings := _read_settings(base_dir.path_join(SETTINGS_FILE))
 	if settings == null:

game/tests/test_launch_options.gd

@@ -28,3 +28,11 @@ func test_profile_names_cannot_leave_the_profile_folder() -> void:
 	check_eq(options.storage_dir(), "user://", "a bad profile is ignored")
 	check_eq(options.port, NetLink.DEFAULT_PORT, "a bad port is ignored")
 	check_eq(options.ignored, PackedStringArray(["--profile=../oops", "--port=70000", "--fly"]), "everything ignored is listed")
+
+
+func test_a_style_can_be_chosen() -> void:
+	check_eq(LaunchOptions.parse(PackedStringArray(["--style=glow"])).style, GlowStyle.KEY, "a known style")
+	check_eq(LaunchOptions.parse(PackedStringArray()).style, &"", "none without the argument")
+	var unknown := LaunchOptions.parse(PackedStringArray(["--style=watercolour"]))
+	check_eq(unknown.style, &"", "an unknown style is not taken")
+	check_eq(unknown.ignored, PackedStringArray(["--style=watercolour"]), "but listed as ignored")

game/tests/test_main.gd

@@ -452,3 +452,30 @@ func test_a_world_that_starts_takes_the_place_of_the_style_samples() -> void:
 	check_eq(main.showcase.process_mode, Node.PROCESS_MODE_DISABLED, "and the samples take no input")
 	check(not main.menu.visible, "the menu stays hidden")
 	_clean_up([directory])
+
+
+func test_f2_switches_the_style_and_the_choice_is_kept() -> void:
+	var directory := TestFiles.temporary_dir("style")
+	var main := _start_main(directory)
+	main.play(false)
+	var first: StringName = main.art.style.key()
+	_press(main, "next_style")
+	var second: StringName = main.art.style.key()
+	check(second != first, "another style")
+	check_eq(main.hud.message(), tr("STYLE_SWITCHED") % tr(main.art.style.title_key()), "the player is told")
+	_stop_main(main)
+
+	var later := _start_main(directory)
+	check_eq(later.art.style.key(), second, "the next start draws in it again")
+	_clean_up([directory])
+
+
+func test_the_command_line_chooses_the_style() -> void:
+	var directory := TestFiles.temporary_dir("style-option")
+	var main: Node = load("res://main.tscn").instantiate()
+	main.storage_dir = directory
+	main.command_line = PackedStringArray(["--style=pastel"])
+	tree.root.add_child(main)
+	_started.append(main)
+	check_eq(main.art.style.key(), PastelStyle.KEY, "the style of the command line")
+	_clean_up([directory])

game/tests/test_save_store.gd

@@ -189,3 +189,12 @@ func test_settings_that_cannot_be_read_right_now_are_not_overwritten() -> void:
 	check_eq(later.player_name(), "Ada", "the name on disk is the old one")
 	check_eq(later.last_address(), "192.168.1.20", "the address is kept")
 	TestFiles.remove_dir(directory)
+
+
+func test_the_chosen_style_is_kept() -> void:
+	var directory := TestFiles.temporary_dir("style")
+	var store := SaveStore.new(directory)
+	check_eq(store.style(), "", "no style at first")
+	store.set_style("pastel")
+	check_eq(SaveStore.new(directory).style(), "pastel", "kept for the next start")
+	TestFiles.remove_dir(directory)

game/tools/screenshot.gd

@@ -1,14 +1,22 @@
 extends SceneTree
 ## Starts the game in a temporary storage folder, walks the figure toward the
-## rock beside the clearing, hits it once and saves a screenshot. Lets a
+## rock beside the clearing, hits it once and saves a screenshot. A second
-## change to the look be checked without playing by hand. The player's real
+## figure with a name stands beside it. Lets a change to the look be checked
-## key and save stay untouched.
+## without playing by hand. The player's real key and save stay untouched.
 ##
 ## From the repository root (opens a window for a moment):
 ##   godot --path game -s res://tools/screenshot.gd -- <path of the PNG>
+##     [--style=NAME] [--showcase]
+## --style=NAME draws in that style; --showcase shows the style samples
+## instead of the game.
 
 const STORAGE := "user://screenshot-run"
-const FRAMES_AFTER_HIT := 30
+## Frames between the hit and the picture: the burst of chips is still in
+## the air, and the crack is there.
+const FRAMES_AFTER_HIT := 8
+## Seconds into the showcase at which the picture is taken: the plant is
+## nearly grown and the animal in the air.
+const SHOWCASE_SECONDS := 5.2
 
 
 func _initialize() -> void:
@@ -16,37 +24,58 @@ func _initialize() -> void:
 
 
 func _run() -> void:
-	var arguments := OS.get_cmdline_user_args()
+	var output := "user://screenshot.png"
-	var output := arguments[0] if arguments.size() > 0 else "user://screenshot.png"
+	var style := ""
+	var showcase := false
+	for argument in OS.get_cmdline_user_args():
+		if argument.begins_with("--style="):
+			style = argument
+		elif argument == "--showcase":
+			showcase = true
+		else:
+			output = argument
 	DirAccess.make_dir_recursive_absolute(STORAGE)
 	var main: Node = load("res://main.tscn").instantiate()
 	main.storage_dir = STORAGE
-	main.command_line = PackedStringArray()
+	main.command_line = PackedStringArray([style] if not style.is_empty() else [])
 	root.add_child(main)
-	main.play(false)
+	if showcase:
-	await process_frame
+		main.open_showcase()
-
-	# Four tiles to the right, toward the rock outcrop beside the clearing.
-	for frame in 48:
-		main.avatar.walk(Vector2.RIGHT, 1.0 / 60.0)
 		await process_frame
-	var session: GwSession = main.session
+		main.showcase.time = SHOWCASE_SECONDS
-	var rock := session.spawn_point() + Vector2i(7, 0)
-	main.dig_at(rock)
-	for frame in FRAMES_AFTER_HIT:
 		await process_frame
+		await process_frame
+	else:
+		await _play(main)
 
 	var image := root.get_texture().get_image()
 	var error := image.save_png(output)
 	print("screenshot %s: %s" % ["saved" if error == OK else "failed", ProjectSettings.globalize_path(output)])
 	root.remove_child(main)
 	main.free()
-	for file in DirAccess.get_files_at(STORAGE):
+	_remove(STORAGE)
-		DirAccess.remove_absolute(STORAGE.path_join(file))
-	for directory in DirAccess.get_directories_at(STORAGE):
-		var path := STORAGE.path_join(directory)
-		for file in DirAccess.get_files_at(path):
-			DirAccess.remove_absolute(path.path_join(file))
-		DirAccess.remove_absolute(path)
-	DirAccess.remove_absolute(STORAGE)
 	quit(0 if error == OK else 1)
+
+
+## Plays alone: walks four tiles to the right, toward the rock outcrop
+## beside the clearing, and hits it once.
+func _play(main: Node) -> void:
+	main.play(false)
+	await process_frame
+	for frame in 48:
+		main.avatar.walk(Vector2.RIGHT, 1.0 / 60.0)
+		await process_frame
+	var session: GwSession = main.session
+	main.figures.place(session.local_player(), main.avatar.position + Vector2(-40, 8))
+	var rock := session.spawn_point() + Vector2i(7, 0)
+	main.dig_at(rock)
+	for frame in FRAMES_AFTER_HIT:
+		await process_frame
+
+
+func _remove(path: String) -> void:
+	for file in DirAccess.get_files_at(path):
+		DirAccess.remove_absolute(path.path_join(file))
+	for directory in DirAccess.get_directories_at(path):
+		_remove(path.path_join(directory))
+	DirAccess.remove_absolute(path)