adds keyboard input

RaceTrack.tscn

@@ -153,15 +153,15 @@ animations = [ {
 "name": "bus",
 "speed": 5.0
 }, {
-"frames": [ ExtResource( 14 ), ExtResource( 15 ), ExtResource( 16 ), ExtResource( 17 ), ExtResource( 18 ), ExtResource( 19 ), ExtResource( 20 ), ExtResource( 21 ) ],
-"loop": true,
-"name": "police",
-"speed": 5.0
-}, {
 "frames": [ ExtResource( 22 ), ExtResource( 23 ), ExtResource( 24 ), ExtResource( 25 ), ExtResource( 26 ), ExtResource( 27 ), ExtResource( 28 ), ExtResource( 29 ) ],
 "loop": true,
 "name": "car",
 "speed": 5.0
+}, {
+"frames": [ ExtResource( 14 ), ExtResource( 15 ), ExtResource( 16 ), ExtResource( 17 ), ExtResource( 18 ), ExtResource( 19 ), ExtResource( 20 ), ExtResource( 21 ) ],
+"loop": true,
+"name": "police",
+"speed": 5.0
 } ]
 
 [sub_resource type="SpriteFrames" id=6]
@@ -171,15 +171,15 @@ animations = [ {
 "name": "bus",
 "speed": 5.0
 }, {
-"frames": [ ExtResource( 19 ), ExtResource( 16 ), ExtResource( 17 ), ExtResource( 14 ), ExtResource( 15 ), ExtResource( 20 ), ExtResource( 21 ), ExtResource( 18 ) ],
-"loop": true,
-"name": "police",
-"speed": 5.0
-}, {
 "frames": [ ExtResource( 22 ), ExtResource( 23 ), ExtResource( 24 ), ExtResource( 25 ), ExtResource( 26 ), ExtResource( 27 ), ExtResource( 28 ), ExtResource( 29 ) ],
 "loop": true,
 "name": "car",
 "speed": 5.0
+}, {
+"frames": [ ExtResource( 14 ), ExtResource( 15 ), ExtResource( 16 ), ExtResource( 17 ), ExtResource( 18 ), ExtResource( 19 ), ExtResource( 20 ), ExtResource( 21 ) ],
+"loop": true,
+"name": "police",
+"speed": 5.0
 } ]
 
 [node name="RaceTrack" type="Node"]
@@ -211,6 +211,7 @@ rotation = 0.112563
 script = ExtResource( 5 )
 
 [node name="CarSprite" type="AnimatedSprite" parent="TrackPath/Opponent"]
+visible = false
 position = Vector2( -0.801025, 22.7594 )
 scale = Vector2( 0.2, 0.2 )
 frames = SubResource( 5 )

TileMap.gd

@@ -5,11 +5,11 @@ enum { LEFT, RIGHT, UP, DOWN }
 enum { DOWN_LEFT, DOWN_RIGHT, LEFT_RIGHT, START, UP_DOWN, UP_LEFT, UP_RIGHT }
 
 func _ready():
-	TrackSelection.connect("track_changed", self, "_reload_track")
-	_reload_track()
+	TrackSelection.connect("track_changed", self, "reload_track")
+	reload_track()
 
-func _reload_track():
-	_clear_tiles()
+func reload_track():
+	clear_tiles()
 	var track = TrackSelection.get_current_track()
 	for idx in range(track.size()):
 		var cell = track[idx]
@@ -19,37 +19,28 @@ func _reload_track():
 		else:
 			var prev = track[idx - 1]
 			var next = track[wrapi(idx + 1, 0, track.size())]
-			tile = _find_tile(cell.direction_to(prev), cell.direction_to(next))
+			tile = find_tile(cell.direction_to(prev), cell.direction_to(next))
 		set_cell(cell.x, cell.y, tile)
 
-func _find_tile(prev, next):
+func find_tile(prev, next):
 	""" Find the right tile given prev and next directions """
-	prev = _as_dir(prev)
-	next = _as_dir(next)
-	# Could be smarter
-	if prev == LEFT:
-		match next:
-			DOWN: return DOWN_LEFT
-			UP: return UP_LEFT
-			RIGHT: return LEFT_RIGHT
-	elif prev == RIGHT:
-		match next:
-			DOWN: return DOWN_RIGHT
-			UP: return UP_RIGHT
-			LEFT: return LEFT_RIGHT
-	elif prev == UP:
-		match next:
-			DOWN: return UP_DOWN
-			LEFT: return UP_LEFT
-			RIGHT: return UP_RIGHT
-	elif prev == DOWN:
-		match next:
-			UP: return UP_DOWN
-			LEFT: return DOWN_LEFT
-			RIGHT: return DOWN_RIGHT
-			
-	
-func _as_dir(vector):
+	prev = as_direction(prev)
+	next = as_direction(next)
+	match [prev, next]:
+		[LEFT, DOWN]: return DOWN_LEFT
+		[LEFT, UP]: return UP_LEFT
+		[LEFT, RIGHT]: return LEFT_RIGHT
+		[RIGHT, DOWN]: return DOWN_RIGHT
+		[RIGHT, UP]: return UP_RIGHT
+		[RIGHT, LEFT]: return LEFT_RIGHT
+		[UP, DOWN]: return UP_DOWN
+		[UP, LEFT]: return UP_LEFT
+		[UP, RIGHT]: return UP_RIGHT
+		[DOWN, UP]: return UP_DOWN
+		[DOWN, LEFT]: return DOWN_LEFT
+		[DOWN, RIGHT]: return DOWN_RIGHT
+
+func as_direction(vector):
 	""" Returns the vector direction as a LEFT, RIGHT, UP or DOWN variant """
 	if abs(vector.x) + abs(vector.y) != 1:
 		return -1  # This is not a valid variant
@@ -67,6 +58,6 @@ func _as_dir(vector):
 #func _process(delta):
 #	pass
 
-func _clear_tiles():
+func clear_tiles():
 	for cell in get_used_cells():
-		self.set_cell(cell.x, cell.y, -1)
+		self.set_cell(cell.x, cell.y, -1)

assets/tracks/Circuit_de_bernede.txt

@@ -0,0 +1,8 @@
+...............
+.xxsxxxxxxxx...
+.x.........xxx.
+.x...xxxxx...x.
+.x...x...x...x.
+.xxxxx...xxxxx.
+...............
+...............

assets/tracks/track2.txt

@@ -0,0 +1,8 @@
+...............
+.xxxsxxxxxxxxx.
+.x...........x.
+.x...........x.
+.xxxxxxxx....x.
+........x....x.
+........xxxxxx.
+...............

race_track.gd

@@ -29,9 +29,42 @@ func _input(event):
 			_handle_keyboard_input(event)
 
 
+func step_next():
+	""" Step this module state to the next cell """
+	current_cell = next_cell
+	var current_idx = track.find(current_cell)
+	var next_idx = current_idx + 1 if current_idx < track.size() - 1 else 0
+	next_cell = track[next_idx]
+	emit_signal("player_moved", laps + get_track_offset(current_cell))
+	emit_signal("wrong_way", Vector2(-1, -1)) # Cancel any wrong way sign
+
 func _handle_keyboard_input(event):
 	if event is InputEventKey:
-		print_debug("Input Ignored: KEYBOARD MODE")
+		var direction_to_next = current_cell.direction_to(next_cell)
+		if event.is_action_pressed("ui_up"):
+			print_debug("Up key")
+			if direction_to_next == Vector2(0, -1):
+				step_next()
+			else:
+				emit_signal("wrong_way", map.map_to_world(Vector2(current_cell.x, current_cell.y - 1)))
+		elif event.is_action_pressed("ui_right"):
+			print_debug("Right key")
+			if direction_to_next == Vector2(1, 0):
+				step_next()
+			else:
+				emit_signal("wrong_way", map.map_to_world(Vector2(current_cell.x + 1, current_cell.y)))
+		elif event.is_action_pressed("ui_left"):
+			print_debug("Left key")
+			if direction_to_next == Vector2(-1, 0):
+				step_next()
+			else:
+				emit_signal("wrong_way", map.map_to_world(Vector2(current_cell.x - 1, current_cell.y)))
+		elif event.is_action_pressed("ui_down"):
+			print_debug("Key down")
+			if direction_to_next == Vector2(0, 1):
+				step_next()
+			else:
+				emit_signal("wrong_way", map.map_to_world(Vector2(current_cell.x, current_cell.y + 1)))
 
 
 func _handle_mouse_input(event):
@@ -50,11 +83,7 @@ func _handle_mouse_input(event):
 						laps += 1
 					# We use the loop property of PathFollow2D to embed
 					# laps count inside the offset.
-					emit_signal("player_moved", laps + get_track_offset(hover_cell))
-					emit_signal("wrong_way", Vector2(-1, -1))
-					current_cell = next_cell
-					var next_idx = cell_idx + 1 if cell_idx < track.size() - 1 else 0
-					next_cell = track[next_idx]
+					step_next()
 				else:
 					emit_signal("wrong_way", map.map_to_world(hover_cell))
 

track_path.gd

@@ -54,7 +54,7 @@ func _build_track(tiles):
 #	pass
 
 func _point_at(_curve, pos, dir):
-	# Use only control_in since it gives smoother turns
+	# Using only control_in gives smoother turns
 	var half_size = tile_size / 2
 	var control_in
 	match dir: