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Punch cart if mesecon signal is received

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SmallJoker
2015-03-22 10:52:48 +01:00
parent df04aa2a4d
commit 159d4ec603
3 changed files with 48 additions and 20 deletions
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41
functions.lua
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@ -36,7 +36,8 @@ function boost_cart:is_rail(pos, railtype)
return minetest.get_item_group(node, "connect_to_raillike") == railtype
end
function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
function boost_cart:check_front_up_down(pos, dir_, check_down, railtype)
local dir = vector.new(dir_)
local cur = nil
-- Front
@ -46,7 +47,7 @@ function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
return dir
end
-- Up
if not onlyDown then
if check_down then
dir.y = 1
cur = vector.add(pos, dir)
if boost_cart:is_rail(cur, railtype) then
@ -62,12 +63,10 @@ function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
return nil
end
function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
function boost_cart:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
local pos = vector.round(pos_)
local dir = vector.new(dir_)
local cur = nil
local left_check, right_check = true, true
old_switch = old_switch or 0
-- Check left and right
local left = {x=0, y=0, z=0}
@ -87,14 +86,14 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
right_check = false
end
if ctrl.left and left_check then
cur = boost_cart:check_front_up_down(pos, left, true, railtype)
cur = boost_cart:check_front_up_down(pos, left, false, railtype)
if cur then
return cur, 1
end
left_check = false
end
if ctrl.right and right_check then
cur = boost_cart:check_front_up_down(pos, right, true, railtype)
cur = boost_cart:check_front_up_down(pos, right, false, railtype)
if cur then
return cur, 2
end
@ -103,14 +102,14 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
end
-- Normal
cur = boost_cart:check_front_up_down(pos, dir, false, railtype)
cur = boost_cart:check_front_up_down(pos, dir, true, railtype)
if cur then
return cur
end
-- Left, if not already checked
if left_check then
cur = boost_cart:check_front_up_down(pos, left, true, railtype)
cur = boost_cart:check_front_up_down(pos, left, false, railtype)
if cur then
return cur
end
@ -118,7 +117,19 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
-- Right, if not already checked
if right_check then
cur = boost_cart:check_front_up_down(pos, right, true, railtype)
cur = boost_cart:check_front_up_down(pos, right, false, railtype)
if cur then
return cur
end
end
-- Backwards
if not old_switch then
cur = boost_cart:check_front_up_down(pos, {
x = -dir.x,
y = dir.y,
z = -dir.z
}, true, railtype)
if cur then
return cur
end
@ -127,3 +138,13 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
return {x=0, y=0, z=0}
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
if not obj_:is_player() and
obj_:get_luaentity() and
obj_:get_luaentity().name == "carts:cart" then
obj_:get_luaentity():on_punch()
end
end
end