forked from VoxeLibre/VoxeLibre
Get sloped connections working correctly
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@ -10,6 +10,12 @@ function mcl_minecarts:get_sign(z)
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end
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end
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function get_path(base, first, ...)
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if not first then return base end
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if not base then return end
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return get_path(base[first], ...)
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end
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function mcl_minecarts:velocity_to_dir(v)
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if math.abs(v.x) > math.abs(v.z) then
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return vector.new(
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@ -82,13 +88,13 @@ mod.west = west
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local CONNECTIONS = { north, south, east, west }
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local HORIZONTAL_STANDARD_RULES = {
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[N] = { "", 0, mask = N, score = 1 },
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[S] = { "", 0, mask = S, score = 1 },
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[N+S] = { "", 0, mask = N+S, score = 2 },
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[N] = { "", 0, mask = N, score = 1, can_slope = true },
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[S] = { "", 0, mask = S, score = 1, can_slope = true },
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[N+S] = { "", 0, mask = N+S, score = 2, can_slope = true },
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[E] = { "", 1, mask = E, score = 1 },
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[W] = { "", 1, mask = W, score = 1 },
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[E+W] = { "", 1, mask = E+W, score = 2 },
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[E] = { "", 1, mask = E, score = 1, can_slope = true },
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[W] = { "", 1, mask = W, score = 1, can_slope = true },
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[E+W] = { "", 1, mask = E+W, score = 2, can_slope = true },
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}
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local HORIZONTAL_CURVES_RULES = {
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@ -127,6 +133,26 @@ local function check_connection_rule(pos, connections, rule)
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end
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mod.check_connection_rules = check_connection_rules
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local function make_sloped_if_straight(pos, dir)
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local node = minetest.get_node(pos)
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local nodedef = minetest.registered_nodes[node.name]
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local param2 = 0
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if dir == east then
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param2 = 3
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elseif dir == west then
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param2 = 1
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elseif dir == north then
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param2 = 2
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elseif dir == south then
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param2 = 0
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end
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if get_path( nodedef, "_mcl_minecarts", "railtype" ) == "straight" then
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minetest.swap_node(pos, {name = nodedef._mcl_minecarts.base_name .. "_sloped", param2 = param2})
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end
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end
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local function update_rail_connections(pos, update_neighbors)
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local node = minetest.get_node(pos)
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local nodedef = minetest.registered_nodes[node.name]
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@ -150,13 +176,17 @@ local function update_rail_connections(pos, update_neighbors)
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local nodedef = minetest.registered_nodes[node.name]
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-- Only allow connections to the open ends of rails, as decribed by get_next_dir
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if (nodedef.groups or {}).rail and nodedef._mcl_minecarts and nodedef._mcl_minecarts.get_next_dir then
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if get_path(nodedef, "groups", "rail") and get_path(nodedef, "_mcl_minecarts", "get_next_dir" ) then
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--if nodedef and (nodedef.groups or {}).rail and nodedef._mcl_minecarts and nodedef._mcl_minecarts.get_next_dir then
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local diff = vector.direction(neighbor, pos)
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local next_dir = nodedef._mcl_minecarts.get_next_dir(neighbor, diff, node)
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if next_dir == diff then
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connections = connections + bit.lshift(1,i - 1)
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end
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end
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-- Check for rasing rails to slopes
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make_sloped_if_straight( vector.offset(neighbor, 0, -1, 0), dir )
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end
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-- Select the best allowed connection
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@ -171,20 +201,35 @@ local function update_rail_connections(pos, update_neighbors)
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end
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end
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end
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if not rule then return end
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if rule then
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-- Apply the mapping
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local new_name = nodedef._mcl_minecarts.base_name..rule[1]
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if new_name ~= node.name or node.param2 ~= rule[2] then
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print("swapping "..node.name.." for "..new_name..","..tostring(rule[2]).." at "..tostring(pos))
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node.name = new_name
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node.param2 = rule[2]
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minetest.swap_node(pos, node)
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-- Apply the mapping
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local new_name = nodedef._mcl_minecarts.base_name..rule[1]
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if new_name ~= node.name or node.param2 ~= rule[2] then
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print("swapping "..node.name.." for "..new_name..","..tostring(rule[2]).." at "..tostring(pos))
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node.name = new_name
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node.param2 = rule[2]
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minetest.swap_node(pos, node)
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end
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if rule.after then
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rule.after(rule, pos, connections)
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end
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end
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if rule.after then
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rule.after(rule, pos, connections)
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local node_def = minetest.registered_nodes[node.name]
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if get_path(node_def, "_mcl_minecarts", "can_slope") then
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for _,dir in ipairs(CONNECTIONS) do
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if mcl_minecarts:is_rail(vector.offset(pos,dir.x,1,dir.z)) then
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local rev_dir = vector.direction(dir,vector.new(0,0,0))
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print("try to make slope at "..tostring(pos))
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make_sloped_if_straight(pos, rev_dir)
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end
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end
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else
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print(node.name.." can't slope")
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end
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end
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mod.update_rail_connections = update_rail_connections
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@ -1,10 +1,10 @@
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# hand-made Wavefront .OBJ file for sloped rail
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mtllib mcl_minecarts_rail.mtl
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o sloped_rail.001
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v -0.500000 -0.500000 -0.500000
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v -0.500000 0.500000 0.500000
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v 0.500000 0.500000 0.500000
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v 0.500000 -0.500000 -0.500000
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v -0.500000 -0.437500 -0.500000
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v -0.500000 0.562500 0.500000
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v 0.500000 0.562500 0.500000
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v 0.500000 -0.437500 -0.500000
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vt 1.000000 0.000000
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vt 1.000000 1.000000
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vt 0.000000 1.000000
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@ -98,7 +98,7 @@ local BASE_DEF = {
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}
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},
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paramtype = "light",
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paramtype2 = "facedir",
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paramtype2 = "4dir",
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}
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table_merge(BASE_DEF, RAIL_DEFAULTS) -- Merge together old rail values
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@ -213,27 +213,32 @@ end
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local function register_straight_rail(base_name, tiles, def)
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def = def or {}
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local base_def = table.copy(BASE_DEF)
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table_merge(base_def,{
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local sloped_def = table.copy(SLOPED_RAIL_DEF)
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local add = {
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tiles = { tiles[1] },
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_mcl_minecarts = { base_name = base_name },
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drop = base_name,
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groups = {
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rail = mod.RAIL_GROUPS.STRANDARD,
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rail = mod.RAIL_GROUPS.STANDARD,
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},
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_mcl_minecarts = {
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base_name = base_name,
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get_next_dir = rail_dir_straight
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get_next_dir = rail_dir_straight,
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can_slope = true,
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},
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})
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table_merge(base_def, def)
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}
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table_merge(base_def, add); table_merge(sloped_def, add)
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table_merge(base_def, def); table_merge(sloped_def, def)
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-- Register the base node
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mod.register_rail(base_name, base_def)
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base_def.craft = false
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base_def.craft = nil; sloped_def.craft = nil
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table_merge(base_def,{
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groups = {
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not_in_creative_inventory = 1,
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},
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_mcl_minecarts = {
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railtype = "straight",
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},
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})
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-- Sloped variant
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@ -243,6 +248,9 @@ local function register_straight_rail(base_name, tiles, def)
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get_next_dir = rail_dir_cross,
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},
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tiles = { tiles[1] },
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_mcl_minecarts = {
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railtype = "sloped",
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},
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}))
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end
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mod.register_straight_rail = register_straight_rail
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@ -250,21 +258,25 @@ mod.register_straight_rail = register_straight_rail
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local function register_curves_rail(base_name, tiles, def)
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def = def or {}
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local base_def = table.copy(BASE_DEF)
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table_merge(base_def,{
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local sloped_def = table.copy(SLOPED_RAIL_DEF)
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local add = {
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_mcl_minecarts = { base_name = base_name },
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groups = {
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rail = mod.RAIL_GROUPS.CURVES
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},
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drop = base_name,
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})
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table_merge(base_def, def)
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}
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table_merge(base_def, add); table_merge(sloped_def, add)
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table_merge(base_def, def); table_merge(sloped_def, def)
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-- Register the base node
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mod.register_rail(base_name, table_merge(table.copy(base_def),{
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tiles = { tiles[1] },
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_mcl_minecarts = {
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get_next_dir = rail_dir_straight
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}
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get_next_dir = rail_dir_straight,
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railtype = "straight",
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can_slope = true,
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},
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}))
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-- Update for other variants
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@ -280,6 +292,7 @@ local function register_curves_rail(base_name, tiles, def)
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tiles = { tiles[2] },
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_mcl_minecarts = {
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get_next_dir = rail_dir_curve,
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railtype = "corner",
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},
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}))
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@ -297,12 +310,16 @@ local function register_curves_rail(base_name, tiles, def)
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end,
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rules = mesecon.rules.alldirs,
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}
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}
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},
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_mcl_minecarts = {
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railtype = "corner",
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},
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}))
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mod.register_rail(base_name.."_tee_on", table_merge(table.copy(base_def),{
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tiles = { tiles[4] },
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_mcl_minecarts = {
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get_next_dir = rail_dir_tee,
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railtype = "tee",
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},
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mesecons = {
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effector = {
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@ -316,10 +333,11 @@ local function register_curves_rail(base_name, tiles, def)
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}))
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-- Sloped variant
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mod.register_rail_sloped(base_name.."_sloped", table_merge(table.copy(base_def),{
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mod.register_rail_sloped(base_name.."_sloped", table_merge(table.copy(sloped_def),{
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description = S("Sloped Rail"), -- Temporary name to make debugging easier
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_mcl_minecarts = {
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get_next_dir = rail_dir_cross,
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railtype = "tee",
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},
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tiles = { tiles[1] },
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}))
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@ -327,6 +345,9 @@ local function register_curves_rail(base_name, tiles, def)
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-- Cross variant
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mod.register_rail(base_name.."_cross", table_merge(table.copy(base_def),{
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tiles = { tiles[5] },
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_mcl_minecarts = {
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railtype = "cross",
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},
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}))
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end
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mod.register_curves_rail = register_curves_rail
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