Pointy shape for booleans

Use a custom background drawing for parameter blocks and input that are
of type boolean.

#279

Author: DoomTas3r

addons/block_code/ui/blocks/parameter_block/parameter_block.gd

@@ -15,6 +15,19 @@ var spawned_by: ParameterOutput
 func _ready():
 	super()
 	_background.color = color
+	_update_block_shape()
+
+
+func _on_definition_changed():
+	super()
+	_update_block_shape()
+
+
+func _update_block_shape():
+	if not definition:
+		return
+	await ready
+	_background.is_pointy_value = definition.variant_type == TYPE_BOOL
 
 
 func _on_drag_drop_area_drag_started(offset: Vector2) -> void:

addons/block_code/ui/blocks/parameter_block/parameter_block.tscn

@@ -20,6 +20,7 @@ layout_mode = 2
 script = ExtResource("2_oimwh")
 color = Color(1, 1, 1, 1)
 block_type = 3
+is_pointy_value = null
 
 [node name="DragDropArea" parent="." instance=ExtResource("2_0eadx")]
 layout_mode = 2

addons/block_code/ui/blocks/utilities/background/background.gd

@@ -23,6 +23,10 @@ var parent_block: Block
 @export var control_part: ControlPart = ControlPart.TOP:
 	set = _set_control_part
 
+## Only relevant if block_type is VALUE.
+@export var is_pointy_value: bool = false:
+	set = _set_is_pointy_value
+
 
 func _set_color(new_color):
 	color = new_color
@@ -40,14 +44,19 @@ func _set_control_part(new_control_part):
 	queue_redraw()
 
 
+func _set_is_pointy_value(new_is_pointy_value):
+	is_pointy_value = new_is_pointy_value
+	queue_redraw()
+
+
 func _ready():
 	parent_block = BlockTreeUtil.get_parent_block(self)
 	parent_block.focus_entered.connect(queue_redraw)
 	parent_block.focus_exited.connect(queue_redraw)
 
 
 func _get_border_color() -> Color:
-	if parent_block and parent_block.has_focus():
+	if parent_block.has_focus():
 		return Constants.FOCUS_BORDER_COLOR
 	return outline_color
 
@@ -110,6 +119,24 @@ func _get_statement_shape() -> PackedVector2Array:
 	return box_shape.slice(0, 1) + top_knob_shape + box_shape.slice(1, 3) + bottom_knob_shape + box_shape.slice(3)
 
 
+# Note: This is a especial case of _get_round_value_shape() with resolution = 2,
+# but it's easier this way.
+func _get_pointy_value_shape() -> PackedVector2Array:
+	var radius_x = min(size.x, size.y) / 2
+	var radius_y = max(radius_x, size.y / 2)
+	return PackedVector2Array(
+		[
+			Vector2(radius_x, 0),
+			Vector2(size.x - radius_x, 0),
+			Vector2(size.x, radius_y),
+			Vector2(size.x - radius_x, size.y),
+			Vector2(radius_x, size.y),
+			Vector2(0, radius_y),
+			Vector2(radius_x, 0),
+		]
+	)
+
+
 func _get_round_value_shape() -> PackedVector2Array:
 	# Normally radius_y will be equal to radius_x. But if the block is more vertical
 	# than horizontal, we'll have to deform the arc shapes.
@@ -201,7 +228,11 @@ func _draw():
 			fill_polygon = shape
 			stroke_polygon = shape
 		Types.BlockType.VALUE:
-			var shape = _get_round_value_shape()
+			var shape
+			if is_pointy_value:
+				shape = _get_pointy_value_shape()
+			else:
+				shape = _get_round_value_shape()
 			fill_polygon = shape
 			stroke_polygon = shape
 		Types.BlockType.CONTROL:

addons/block_code/ui/blocks/utilities/parameter_input/parameter_input.gd

@@ -223,7 +223,8 @@ func _update_visible_input():
 func _switch_input(node: Node):
 	for c in _input_switcher.get_children():
 		c.visible = c == node
-	_background.visible = node not in [_option_input]
+	_background.visible = node not in [_option_input, null]
+	_background.is_pointy_value = node == _bool_input
 
 
 func _update_option_input(current_value: Variant = null):