+ src/game/level/level_editor/color_picker.h
+ src/game/level/level_editor/color_picker.c
+ src/game/level/level_editor/rect_layer.h
+ src/game/level/level_editor/rect_layer.c
+ src/game/level/level_editor/layer_picker.h
+ src/game/level/level_editor/layer_picker.c
+ src/game/level/level_editor/point_layer.h
+ src/game/level/level_editor/point_layer.c
+ src/game/level/level_editor/player_layer.h
+ src/game/level/level_editor/player_layer.c
+ src/game/level/level_editor/layer.h
+ src/game/level/level_editor/layer.c
+ src/game/level/level_editor/label_layer.c
+ src/game/level/level_editor/label_layer.h
+ src/game/level/level_editor/undo_history.h
+ src/game/level/level_editor/undo_history.c