Merge pull request #28 from williamd1k0/split-screen-modes

Add split-screen modes (horizontal/vertical)

2d/split_screen_platformer/split_stage.gd

@@ -1,8 +1,18 @@
+tool
 extends Control
 
-# class member variables go here, for example:
-# var a = 2
-# var b = "textvar"
+#export split screen modes
+#if used with setget, the mode can be made chageable by inspector/animation key
+export(int, "None", "Horizontal", "Vertical") var split_mode = 1 setget set_split_mode
+
+#other split_mode variable to check previous mode on split_mode set method
+var _split_mode = -1
+
+#split modes constants
+const SPLIT_NONE = 0
+const SPLIT_HORIZONTAL = 1
+const SPLIT_VERTICAL = 2
+
 
 func _ready():
 	#make bottom viewport have the same world2D as the top viewport, so both show the same
@@ -17,6 +27,42 @@ func _ready():
 	#simple and alternatively, copy them to the other viewport, but they must be erased when level is unloaded
 	#get_node("bottom/viewport").add_child( get_node("top/viewport/stage/parallax_bg").duplicate() )
 	
-	# Called every time the node is added to the scene.
-	# Initialization here
-	pass
+	#setting split mode for the first time if node is ready
+	set_split_mode(split_mode)
+
+
+func set_split_mode(mode):
+	split_mode = mode
+	if get_viewport() != null:
+		#apply mode
+		_set_split_mode()
+
+
+func _set_split_mode():
+	#change mode only if "_split_mode" is different
+	if _split_mode != split_mode:
+		#get game screen size
+		var screen = get_size()
+		
+		#changing sizes and positions
+		if split_mode == SPLIT_HORIZONTAL:
+			get_node("top").set_size(Vector2(screen.x, screen.y/2))
+			get_node("top").set_pos(Vector2(0, 0))
+			get_node("bottom").set_size(Vector2(screen.x, screen.y/2))
+			get_node("bottom").set_pos(Vector2(0, screen.y/2))
+		
+		elif split_mode == SPLIT_VERTICAL:
+			get_node("top").set_size(Vector2(screen.x/2, screen.y))
+			get_node("top").set_pos(Vector2(0, 0))
+			get_node("bottom").set_size(Vector2(screen.x/2, screen.y))
+			get_node("bottom").set_pos(Vector2(screen.x/2, 0))
+		
+		elif split_mode == SPLIT_NONE:
+			get_node("top").set_size(Vector2(screen.x, screen.y))
+			get_node("top").set_pos(Vector2(0, 0))
+			get_node("bottom").set_hidden(true)
+		
+		if _split_mode == SPLIT_NONE:
+			get_node("bottom").set_hidden(false)
+		
+		_split_mode = split_mode

2d/split_screen_platformer/split_stage.tscn

@@ -16,6 +16,7 @@ margin/top = 0.0
 margin/right = 0.0
 margin/bottom = 0.0
 script/script = ExtResource( 1 )
+split_mode = 1
 
 [node name="top" type="Control" parent="."]