first commit

TileMap2.gd

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+extends TileMap
+
+signal player_moved(track_offset)
+signal lap_completed(laps)
+signal wrong_way(coords)
+
+# TODO:
+# - Find a mean to import tracks (arrays of cell coordinates).
+# ( - Autopopulate the map according to track data )
+# - Build the track Curve2D from track and tiles data
+# - Keyboard controls !!
+
+const TRACK_TILES = [
+	Vector2(7,1), Vector2(8,1), Vector2(9,1), Vector2(9,2), Vector2(9,3),
+	Vector2(8,3), Vector2(7,3), Vector2(7,4), Vector2(7,5), Vector2(7,6),
+	Vector2(6,6), Vector2(6,5), Vector2(6,4), Vector2(6,3), Vector2(5,3),
+	Vector2(4,3), Vector2(4,2), Vector2(4,1), Vector2(5,1), Vector2(6,1),
+]
+
+var laps = 0
+var current_cell = TRACK_TILES[0]
+
+func get_track_offset(coords):
+	var offset = float(TRACK_TILES.find(coords)) / float(len(TRACK_TILES))
+	return offset
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+func _input(event):
+	# Check if the mouse if following the tiles track
+	if event is InputEventMouseMotion:
+		var hover_cell = world_to_map(event.position)
+		if hover_cell != current_cell:  # The mouse moved to a new cell
+			# Check the tile is on path
+			if TRACK_TILES.find(hover_cell) != -1:
+				# Check if a lap is finished
+				if hover_cell == TRACK_TILES[0] and current_cell == TRACK_TILES[-1]:
+					laps += 1
+					emit_signal("lap_completed", laps)
+				# Check we are following the path
+				if TRACK_TILES[TRACK_TILES.find(hover_cell) - 1] == current_cell:
+					emit_signal("player_moved", laps + get_track_offset(hover_cell))
+					emit_signal("wrong_way", Vector2(-1, -1))
+					current_cell = hover_cell
+				else:
+					emit_signal("wrong_way", map_to_world(hover_cell))
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass