forked from mtcontrib/boost_cart
Punch cart if mesecon signal is received
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df04aa2a4d
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159d4ec603
@ -36,7 +36,8 @@ function boost_cart:is_rail(pos, railtype)
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return minetest.get_item_group(node, "connect_to_raillike") == railtype
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end
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function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
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function boost_cart:check_front_up_down(pos, dir_, check_down, railtype)
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local dir = vector.new(dir_)
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local cur = nil
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-- Front
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@ -46,7 +47,7 @@ function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
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return dir
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end
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-- Up
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if not onlyDown then
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if check_down then
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dir.y = 1
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cur = vector.add(pos, dir)
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if boost_cart:is_rail(cur, railtype) then
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@ -62,12 +63,10 @@ function boost_cart:check_front_up_down(pos, dir, onlyDown, railtype)
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return nil
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end
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function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
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function boost_cart:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
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local pos = vector.round(pos_)
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local dir = vector.new(dir_)
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local cur = nil
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local left_check, right_check = true, true
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old_switch = old_switch or 0
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-- Check left and right
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local left = {x=0, y=0, z=0}
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@ -87,14 +86,14 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
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right_check = false
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end
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if ctrl.left and left_check then
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cur = boost_cart:check_front_up_down(pos, left, true, railtype)
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cur = boost_cart:check_front_up_down(pos, left, false, railtype)
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if cur then
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return cur, 1
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end
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left_check = false
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end
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if ctrl.right and right_check then
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cur = boost_cart:check_front_up_down(pos, right, true, railtype)
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cur = boost_cart:check_front_up_down(pos, right, false, railtype)
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if cur then
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return cur, 2
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end
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@ -103,14 +102,14 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
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end
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-- Normal
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cur = boost_cart:check_front_up_down(pos, dir, false, railtype)
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cur = boost_cart:check_front_up_down(pos, dir, true, railtype)
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if cur then
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return cur
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end
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-- Left, if not already checked
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if left_check then
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cur = boost_cart:check_front_up_down(pos, left, true, railtype)
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cur = boost_cart:check_front_up_down(pos, left, false, railtype)
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if cur then
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return cur
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end
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@ -118,7 +117,19 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
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-- Right, if not already checked
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if right_check then
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cur = boost_cart:check_front_up_down(pos, right, true, railtype)
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cur = boost_cart:check_front_up_down(pos, right, false, railtype)
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if cur then
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return cur
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end
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end
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-- Backwards
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if not old_switch then
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cur = boost_cart:check_front_up_down(pos, {
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x = -dir.x,
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y = dir.y,
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z = -dir.z
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}, true, railtype)
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if cur then
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return cur
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end
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@ -127,3 +138,13 @@ function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch, railtype)
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return {x=0, y=0, z=0}
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end
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function boost_cart:boost_rail(pos, amount)
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minetest.get_meta(pos):set_string("cart_acceleration", tostring(amount))
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for _,obj_ in ipairs(minetest.get_objects_inside_radius(pos, 0.5)) do
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if not obj_:is_player() and
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obj_:get_luaentity() and
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obj_:get_luaentity().name == "carts:cart" then
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obj_:get_luaentity():on_punch()
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end
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end
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end
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23
init.lua
23
init.lua
@ -29,7 +29,7 @@ boost_cart.cart = {
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velocity = {x=0, y=0, z=0}, -- only used on punch
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old_dir = {x=0, y=0, z=0},
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old_pos = nil,
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old_switch = nil,
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old_switch = 0,
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railtype = nil,
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attached_items = {}
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}
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@ -54,7 +54,20 @@ function boost_cart.cart:on_activate(staticdata, dtime_s)
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end
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function boost_cart.cart:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
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local pos = self.object:getpos()
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if not self.railtype then
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local node = minetest.get_node(vector.floor(pos)).name
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self.railtype = minetest.get_item_group(node, "connect_to_raillike")
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end
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if not puncher or not puncher:is_player() then
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local cart_dir = boost_cart:get_rail_direction(pos, {x=1, y=0, z=0}, nil, nil, self.railtype)
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if vector.equals(cart_dir, {x=0, y=0, z=0}) then
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return
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end
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self.velocity = vector.multiply(cart_dir, 3)
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self.old_pos = nil
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self.punched = true
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return
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end
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@ -80,12 +93,6 @@ function boost_cart.cart:on_punch(puncher, time_from_last_punch, tool_capabiliti
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return
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end
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if not self.railtype then
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local pos = vector.floor(self.object:getpos())
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local node = minetest.get_node(pos).name
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self.railtype = minetest.get_item_group(node, "connect_to_raillike")
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end
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local vel = self.object:getvelocity()
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if puncher:get_player_name() == self.driver then
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if math.abs(vel.x + vel.z) > 7 then
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@ -95,7 +102,7 @@ function boost_cart.cart:on_punch(puncher, time_from_last_punch, tool_capabiliti
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local punch_dir = boost_cart:velocity_to_dir(puncher:get_look_dir())
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punch_dir.y = 0
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local cart_dir = boost_cart:get_rail_direction(self.object:getpos(), punch_dir, nil, self.railtype)
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local cart_dir = boost_cart:get_rail_direction(pos, punch_dir, nil, nil, self.railtype)
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if vector.equals(cart_dir, {x=0, y=0, z=0}) then
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return
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end
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@ -73,7 +73,7 @@ minetest.register_node(":carts:powerrail", {
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mesecons = {
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effector = {
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action_on = function(pos, node)
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minetest.get_meta(pos):set_string("cart_acceleration", "0.5")
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boost_cart:boost_rail(pos, 0.5)
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end,
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action_off = function(pos, node)
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@ -117,7 +117,7 @@ minetest.register_node(":carts:brakerail", {
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mesecons = {
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effector = {
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action_on = function(pos, node)
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minetest.get_meta(pos):set_string("cart_acceleration", "-0.2")
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boost_cart:boost_rail(pos, -0.2)
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end,
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action_off = function(pos, node)
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