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Diffstat (limited to 'boost_cart/functions.lua')
| -rw-r--r-- | boost_cart/functions.lua | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/boost_cart/functions.lua b/boost_cart/functions.lua index a06f34d..bcbbaa0 100644 --- a/boost_cart/functions.lua +++ b/boost_cart/functions.lua @@ -157,6 +157,29 @@ function boost_cart:get_rail_direction(pos_, dir, ctrl, old_switch, railtype) return {x=0, y=0, z=0} end +function boost_cart:pathfinder(pos_, expected_pos, old_dir, ctrl, pf_switch, railtype) + local pos = vector.round(pos_) + local pf_pos = vector.round(expected_pos) + local pf_dir = vector.new(old_dir) + + for i = 1, 3 do + if vector.equals(pf_pos, pos) then + -- Success! Cart moved on correctly + return true + end + + pf_dir, pf_switch = boost_cart:get_rail_direction(pf_pos, pf_dir, ctrl, pf_switch, railtype) + if vector.equals(pf_dir, {x=0, y=0, z=0}) then + -- No way forwards + return false + end + + pf_pos = vector.add(pf_pos, pf_dir) + end + -- Cart not found + return false +end + function boost_cart:boost_rail(pos, amount) minetest.get_meta(pos):set_string("cart_acceleration", tostring(amount)) for _,obj_ in ipairs(minetest.get_objects_inside_radius(pos, 0.5)) do |