gd: added input addon

addons/guide/inputs/guide_input_touch_base.gd

@@ -0,0 +1,22 @@
+## Base class for generic touch input
+@tool
+class_name GUIDEInputTouchBase
+extends GUIDEInput
+
+## The number of fingers to be tracked.
+@export_range(1, 5, 1, "or_greater") var finger_count:int = 1:
+	set(value):
+		if value < 1:
+			value = 1
+		finger_count = value
+		emit_changed()
+
+## The index of the finger for which the position/delta should be reported 
+## (0 = first finger, 1 = second finger, etc.). If -1, reports the average position/delta for 
+## all fingers currently touching.
+@export_range(-1, 4, 1, "or_greater") var finger_index:int = 0:
+	set(value):
+		if value < -1:
+			value = -1
+		finger_index = value
+		emit_changed()