End of lesson 30

scenes/game/maps/entities/toggle_roof_trigger.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=3 uid="uid://864h4oam7qfk"]
+
+[ext_resource type="Script" uid="uid://c50fmagffbdas" path="res://scripts/game/maps/entities/ToggleRoofTrigger.gd" id="1_58sfy"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_58sfy"]
+size = Vector2(48, 16)
+
+[node name="ToggleRoofTrigger" type="Area2D"]
+script = ExtResource("1_58sfy")
+metadata/_custom_type_script = "uid://c50fmagffbdas"
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(8, 8)
+shape = SubResource("RectangleShape2D_58sfy")
+
+[connection signal="area_entered" from="." to="." method="_on_area_entered"]

scripts/game/commands/CommandDispatcher.gd

@@ -15,3 +15,5 @@ signal DISPLAY_CLEAR
 
 signal LOAD_MAP(currentMap, newMapPath, spawnpoint, facing)
 signal LOAD_COMPLETE
+
+signal TOGGLE_TILEMAP_LAYER(layerName)

scripts/game/maps/Map.gd

@@ -11,15 +11,17 @@ var player
 
 func _ready():
 	CommandDispatcher.PLAYER_MOVE.connect(onPlayerMove)
+	CommandDispatcher.TOGGLE_TILEMAP_LAYER.connect(onToggleRequest)
+	
 
-
+@warning_ignore("unused_parameter")
-func spawnPlayerAtPosition(position, facing):
+func spawnPlayerAtPosition(newPosition, facing):
 	var spawnposition:Vector2i
 	
-	if (position == null):
+	if (newPosition == null):
 		spawnposition = defaultPlayerStartPosition
 	else:
-		spawnposition = position
+		spawnposition = newPosition
 	
 	player.position = Vector2(spawnposition.x * 16, spawnposition.y * 16)
 
@@ -43,5 +45,15 @@ func onPlayerMove(direction):
 		player.updateAnimation(direction)
 
 
-func playerCanMoveTo(position) -> bool:
+@warning_ignore("unused_parameter")
+func playerCanMoveTo(newPosition) -> bool:
 	return false
+
+
+func onToggleRequest(layerName):
+	for layer in range(get_layers_count()):
+		if(get_layer_name(layer) == layerName):
+			if(is_layer_enabled(layer)):
+				set_layer_enabled(layer, false)
+			else:
+				set_layer_enabled(layer, true)

scripts/game/maps/Map2d.gd

@@ -4,6 +4,7 @@ class_name Map2d
 
 enum TerrainDataTypes { TerrainType }
 
+
 func getTerrainDataForTile(layer, data, x, y):
 	var tile:TileData = get_cell_tile_data(layer, Vector2i(x, y))
 
@@ -13,15 +14,15 @@ func getTerrainDataForTile(layer, data, x, y):
 		return null
 
 
-func spawnPlayerAtPosition(position, facing):
+func spawnPlayerAtPosition(newPosition, facing):
 	player = load("res://scenes/game/maps/entities/player.tscn").instantiate()
 	
-	super.spawnPlayerAtPosition(position, facing)
+	super.spawnPlayerAtPosition(newPosition, facing)
 
 	player.updateFacing(facing)
 	
 	get_node("Entities").add_child(player)
 
 
-func playerCanMoveTo(position:Vector2) -> bool:
+func playerCanMoveTo(newPosition:Vector2) -> bool:
-	return !player.wouldCollideAt(position)
+	return !player.wouldCollideAt(newPosition)

scripts/game/maps/entities/ChangeMapTrigger.gd

@@ -6,5 +6,6 @@ class_name ChangeMapTrigger
 @export var spawnpoint: Vector2i
 @export var facing:Map.Direction
 
+@warning_ignore("unused_parameter")
 func execute(target):
 	CommandDispatcher.LOAD_MAP.emit(map, spawnpoint, facing)

scripts/game/maps/entities/ToggleRoofTrigger.gd

@@ -0,0 +1,12 @@
+extends MapEntity
+
+class_name ToggleRoofTrigger
+
+@export var layerName:String
+
+func execute(target):
+	CommandDispatcher.TOGGLE_TILEMAP_LAYER.emit(layerName)	
+
+
+func _on_area_entered(area: Area2D) -> void:
+	execute(area.get_parent())

scripts/game/maps/entities/ToggleRoofTrigger.gd.uid

@@ -0,0 +1 @@
+uid://c50fmagffbdas

scripts/game/maps/entities/map_entity.gd

@@ -3,7 +3,7 @@ extends Area2D
 class_name MapEntity
 
 func execute(target):
-	print(target.name)
+	print("MapEntity.execute(%s)" % target.name)