gd: added input addon

addons/guide/triggers/guide_trigger_pressed.gd

@@ -0,0 +1,22 @@
+@tool
+## A trigger that activates when the input is pushed down. Will only emit a
+## trigger event once. Holding the input will not trigger further events.
+class_name GUIDETriggerPressed
+extends GUIDETrigger
+
+
+func _update_state(input:Vector3, delta:float, value_type:GUIDEAction.GUIDEActionValueType) -> GUIDETriggerState:
+	if _is_actuated(input, value_type):
+		if not _is_actuated(_last_value, value_type):
+			return GUIDETriggerState.TRIGGERED
+		
+	return GUIDETriggerState.NONE
+
+
+func _editor_name() -> String:
+	return "Pressed"
+
+
+func _editor_description() -> String:
+	return "Fires once, when the input exceeds actuation threshold. Holding the input\n" + \
+		"will not fire additional triggers."