wip: rough attempt at properly incorporating existing coroutines to correctly place room swapping.

addons/escoria-core/game/core-scripts/esc/esc_room_manager.gd

@@ -268,7 +268,10 @@ func init_room(room: ESCRoom) -> void:
 # #### Parameters
 #
 # - room: The ESCRoom to be initialized for use.
-func _perform_script_events(room: ESCRoom):
+#
+# *Returns* ESCExecution.RC_OK when completed or the function's state in the
+# case a coroutine is yielding.
+func _perform_script_events(room: ESCRoom) -> int:
 	# If we're loading from a saved game, we don't want to run :setup or :ready
 	# as it could potentially alter the loaded save state; however, we still need
 	# to swap the scene in since it would ordinarily happen between :setup and
@@ -277,7 +280,7 @@ func _perform_script_events(room: ESCRoom):
 				and escoria.event_manager.get_running_event(
 					escoria.event_manager.CHANNEL_FRONT
 				).name == escoria.event_manager.EVENT_LOAD:
-		_make_new_room_visible(room)
+		escoria.main.set_scene_finish(room)
 	else:
 		# If the room was loaded from change_scene and automatic transitions
 		# are not disabled, do the transition out now
@@ -325,9 +328,20 @@ func _perform_script_events(room: ESCRoom):
 			if rc[0] != ESCExecution.RC_OK:
 				return rc[0]
 
-		# Switch the rooms (resources are freed at end of change_scene and in
+		escoria.main.set_scene_finish()
-		# clear_scene).
+
-		_make_new_room_visible(room)
+		# We know the scene has been loaded. Make its global ID available for
+		# use by ESC script.
+		escoria.globals_manager.set_global(
+			escoria.room_manager.GLOBAL_CURRENT_SCENE,
+			room.global_id,
+			true
+		)
+
+		# Clear queued resources
+		escoria.resource_cache.clear()
+
+		escoria.inputs_manager.hotspot_focused = ""
 
 		if room.enabled_automatic_transitions \
 				or (
@@ -387,19 +401,7 @@ func _perform_script_events(room: ESCRoom):
 			true
 		)
 		
-
+	return ESCExecution.RC_OK
-# Switches the visibility of the "old" room and the "new" room.
-#
-# #### Parameters
-#
-# - room: The ESCRoom to be made visible in place of the current one.
-func _make_new_room_visible(room: ESCRoom) -> void:
-	if is_instance_valid(escoria.main.current_scene) and room != escoria.main.current_scene:
-		escoria.main.current_scene.visible = false
-		#escoria.main.current_scene.z_index = -100
-
-	room.visible = true
-	#room.z_index = 0
 
 
 # Runs the script event from the script attached, if any.

addons/escoria-core/game/main.gd

@@ -14,6 +14,9 @@ var last_scene_global_id: String
 # Current scene room being displayed
 var current_scene: Node
 
+# Scene that was previously the current scene.
+var previous_scene: Node
+
 # The Escoria context currently in wait state
 var wait_level
 
@@ -37,21 +40,21 @@ func set_scene(p_scene: Node) -> void:
 	if !p_scene:
 		escoria.logger.report_errors("main", ["Trying to set empty scene"])
 
+	previous_scene = current_scene
+	
 	if not p_scene.is_inside_tree():
 		# Set the scene's visiblity for :setup events if the new room is not the
-		# same one as the current room. Note that the room's 
+		# same one as the current room.
-		# _ready() method will ensure that the room is visible when
-		# :setup is complete.
 		if not _is_same_scene(current_scene, p_scene):
 			p_scene.visible = false
 
-		#p_scene.z_index = -100
 		escoria.object_manager.set_current_room(p_scene)
 		add_child(p_scene) 
-		move_child(p_scene, 0)
 		
-	if current_scene != null:
+		# This actually moves the scene closest to the root node, but will
-		clear_scene()
+		# still be drawn behind the next node, which should be the previous
+		# room.
+		move_child(p_scene, 0)
 
 	current_scene = p_scene
 	
@@ -59,24 +62,34 @@ func set_scene(p_scene: Node) -> void:
 
 	set_camera_limits()
 
+
+# Completes the room swap and should be called by the room manager at the
+# appropriate time.
+func set_scene_finish() -> void:
+	current_scene.visible = true
+	
+	if previous_scene != null:
+		clear_scene()
+
 	emit_signal("room_ready")
 
 
-# Cleanup the current scene
+# Cleanup the previous scene
 func clear_scene() -> void:
-	if current_scene == null:
+	if previous_scene == null:
 		return
 
 	escoria.action_manager.clear_current_action()
 	escoria.action_manager.clear_current_tool()
 
-	if escoria.game_scene.get_parent() == current_scene:
+	if escoria.game_scene.get_parent() == previous_scene:
-		current_scene.remove_child(escoria.game_scene)
+		previous_scene.remove_child(escoria.game_scene)
 
-	current_scene.get_parent().remove_child(current_scene)
+	previous_scene.visible = false
+	previous_scene.get_parent().remove_child(previous_scene)
 
-	current_scene.queue_free()
+	previous_scene.queue_free()
-	current_scene = null
+	previous_scene = null
 
 
 # Triggered, when the wait has finished

game/rooms/room01/room01.tscn

@@ -180,7 +180,6 @@ pause_mode = 1
 script = ExtResource( 5 )
 global_id = "trigger_talk"
 esc_script = "res://game/rooms/room01/esc/trigger.esc"
-is_trigger = true
 player_orients_on_arrival = false
 dialog_color = Color( 1, 1, 1, 1 )
 animations = null

game/rooms/room02/room02.tscn

@@ -13,23 +13,23 @@
 [ext_resource path="res://game/rooms/room02/floor4.png" type="Texture" id=14]
 [ext_resource path="res://game/rooms/room02/floor2.png" type="Texture" id=15]
 
-[sub_resource type="NavigationPolygon" id=4]
+[sub_resource type="NavigationPolygon" id=1]
 vertices = PoolVector2Array( 10, 378, 86, 337, 88, 374, 8, 545, 121, 355, 488, 354, 409, 546, 1184, 373, 1185, 343, 1272, 393, 1272, 548, 875, 546, 802, 357, 1161, 358 )
 polygons = [ PoolIntArray( 0, 1, 2, 3 ), PoolIntArray( 4, 5, 6, 3, 2 ), PoolIntArray( 7, 8, 9, 10 ), PoolIntArray( 10, 11, 12, 13, 7 ) ]
 outlines = [ PoolVector2Array( 121, 355, 488, 354, 409, 546, 8, 545, 10, 378, 86, 337, 88, 374 ), PoolVector2Array( 802, 357, 875, 546, 1272, 548, 1272, 393, 1185, 343, 1184, 373, 1161, 358 ) ]
 
-[sub_resource type="NavigationPolygon" id=5]
+[sub_resource type="NavigationPolygon" id=2]
 vertices = PoolVector2Array( 10, 378, 88, 335, 86, 373, 8, 542, 1185, 374, 1185, 343, 1270, 395, 1272, 545, 114, 355, 1161, 357 )
 polygons = [ PoolIntArray( 0, 1, 2, 3 ), PoolIntArray( 4, 5, 6 ), PoolIntArray( 6, 7, 3, 4 ), PoolIntArray( 8, 9, 4, 3, 2 ) ]
 outlines = [ PoolVector2Array( 88, 335, 86, 373, 114, 355, 1161, 357, 1185, 374, 1185, 343, 1270, 395, 1272, 545, 8, 542, 10, 378 ) ]
 
-[sub_resource type="RectangleShape2D" id=6]
+[sub_resource type="RectangleShape2D" id=3]
 extents = Vector2( 39, 39.5 )
 
-[sub_resource type="RectangleShape2D" id=7]
+[sub_resource type="RectangleShape2D" id=4]
 extents = Vector2( 39, 39.5 )
 
-[sub_resource type="Animation" id=1]
+[sub_resource type="Animation" id=5]
 length = 0.001
 tracks/0/type = "value"
 tracks/0/path = NodePath("ESCBackground/Floor1:position")
@@ -80,8 +80,7 @@ tracks/3/keys = {
 "values": [ Vector2( 786, 650 ) ]
 }
 
-[sub_resource type="Animation" id=3]
+[sub_resource type="Animation" id=6]
-resource_name = "bridge_close"
 length = 1.6
 tracks/0/type = "value"
 tracks/0/path = NodePath("ESCBackground/Floor1:position")
@@ -132,8 +131,7 @@ tracks/3/keys = {
 "values": [ Vector2( 696, 650 ), Vector2( 696, 650 ), Vector2( 696, 450 ) ]
 }
 
-[sub_resource type="Animation" id=2]
+[sub_resource type="Animation" id=7]
-resource_name = "bridge_open"
 length = 1.6
 tracks/0/type = "value"
 tracks/0/path = NodePath("ESCBackground/Floor1:position")
@@ -316,11 +314,11 @@ debug_mode = 1
 
 [node name="bridge_open" type="NavigationPolygonInstance" parent="walkable_area"]
 visible = false
-navpoly = SubResource( 4 )
+navpoly = SubResource( 1 )
 
 [node name="bridge_closed" type="NavigationPolygonInstance" parent="walkable_area"]
 visible = false
-navpoly = SubResource( 5 )
+navpoly = SubResource( 2 )
 enabled = false
 
 [node name="button_left" type="Area2D" parent="."]
@@ -337,7 +335,7 @@ animations = null
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="button_left"]
 position = Vector2( 370, 190.5 )
-shape = SubResource( 6 )
+shape = SubResource( 3 )
 
 [node name="ESCLocation" type="Position2D" parent="button_left"]
 position = Vector2( 369, 375 )
@@ -357,7 +355,7 @@ animations = null
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="button_right2"]
 position = Vector2( 911, 190.5 )
-shape = SubResource( 7 )
+shape = SubResource( 4 )
 
 [node name="ESCLocation" type="Position2D" parent="button_right2"]
 position = Vector2( 914, 378 )
@@ -372,9 +370,9 @@ animations = null
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="bridge"]
 root_node = NodePath("../..")
-anims/RESET = SubResource( 1 )
+anims/RESET = SubResource( 5 )
-anims/bridge_close = SubResource( 3 )
+anims/bridge_close = SubResource( 6 )
-anims/bridge_open = SubResource( 2 )
+anims/bridge_open = SubResource( 7 )
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="bridge"]
 shape = SubResource( 8 )

project.godot

@@ -319,6 +319,16 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/escoria-core/game/core-scripts/esc/esc_room_manager.gd"
 }, {
+"base": "Reference",
+"class": "ESCRoomObjects",
+"language": "GDScript",
+"path": "res://addons/escoria-core/game/core-scripts/esc/types/esc_room_objects.gd"
+}, {
+"base": "Reference",
+"class": "ESCRoomObjectsKey",
+"language": "GDScript",
+"path": "res://addons/escoria-core/game/core-scripts/esc/types/esc_room_objects_key.gd"
+}, {
 "base": "Resource",
 "class": "ESCSaveGame",
 "language": "GDScript",
@@ -632,6 +642,8 @@ _global_script_class_icons={
 "ESCResourceDescriptor": "",
 "ESCRoom": "res://addons/escoria-core/design/esc_room.svg",
 "ESCRoomManager": "",
+"ESCRoomObjects": "",
+"ESCRoomObjectsKey": "",
 "ESCSaveGame": "",
 "ESCSaveManager": "",
 "ESCSaveSettings": "",
@@ -745,7 +757,7 @@ ui/game_scene="res://addons/escoria-ui-9verbs/game.tscn"
 ui/dialogs_chooser="res://addons/escoria-core/ui_library/dialogs/text_dialog_chooser.tscn"
 sound/speech_folder="res://game/speech"
 sound/speech_extension="ogg"
-ui/default_transition="curtain"
+ui/default_transition="instant"
 ui/transition_paths=[ "res://addons/escoria-core/game/scenes/transitions/shaders/" ]
 ui/inventory_item_size=Vector2( 72, 72 )
 debug/enable_room_selector=true
@@ -767,7 +779,7 @@ main/game_migration_path=""
 
 esc_show_debug_prompt={
 "deadzone": 0.5,
-"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777245,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777245,"unicode":0,"echo":false,"script":null)
  ]
 }
 switch_action_verb={