Implement testing for blocks in front/above/below the turtle so we don't mine chests

main.lua

@@ -24,12 +24,13 @@ end
 
 controllers[choice]:Run()
 
--- TODO: Test if there's a chest when dropping/sucking/mining (don't mine chests!)
--- TODO: Add controller to build rooms with walls of a specified material
--- TODO: Add configurable trash_list with items that won't be picked up
 -- TODO: When refueling but chest is missing, wait there until the user puts a chest with fuel
--- TODO: Add emergency return routine if can't move (e.g. try to move in different directions first)
+-- TODO: Improve error handling: Don't abort the program in all cases,
+--       but wait until the user fixes the issue (e.g. places a chest)
+
 -- TODO: Add shortcuts for the volume excavation:
 --       - Tunnel forward 3x2 or 3x3 with specified length
 --       - Excavate downwards (quarry) in a square, specify side length
+-- TODO: Add controller to build rooms with walls of a specified material
 -- TODO: Add a stair building mode (specify side length, min 2x2)
+-- TODO: Add configurable trash_list with items that won't be picked up