From 23ca5db700cb3061f1cb5917f976de700e033934 Mon Sep 17 00:00:00 2001
From: Fabien Freling <public@ffreling.com>
Date: Wed, 19 Feb 2020 13:40:05 +0100
Subject: [PATCH] check internal state in _input()

---
 src/GameState.gd |  2 ++
 src/Taquin.gd    | 12 +++++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/GameState.gd b/src/GameState.gd
index 5479f4d..08b93ef 100644
--- a/src/GameState.gd
+++ b/src/GameState.gd
@@ -19,6 +19,8 @@ func current_state_name() -> String:
 	return State.keys()[current_state]
 
 func transition_to(state):
+	if current_state == state:
+		return
 	assert(state in transitions[current_state])
 	var previous_state = current_state
 	current_state = state
diff --git a/src/Taquin.gd b/src/Taquin.gd
index 5496c52..7fc1c65 100644
--- a/src/Taquin.gd
+++ b/src/Taquin.gd
@@ -87,6 +87,13 @@ func _ready() -> void:
 	shuffle(difficulty)
 
 func _process(delta):
+	pass
+
+func _input(event):
+	if $AnimationPlayer.is_playing():
+		# Disable input during animation
+		return
+
 	var game_state = get_node_or_null("/root/Main/GameState") as GameState
 	if game_state != null:
 		match game_state.current_state:
@@ -97,11 +104,6 @@ func _process(delta):
 			GameState.State.GAME_OVER:
 				return
 
-func _input(event):
-	if $AnimationPlayer.is_playing():
-		# Disable input during animation
-		return
-
 	#
 	# Handle keyboard input
 	#