mirror of
https://github.com/mt-mods/pipeworks.git
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242 lines
5.9 KiB
Lua
242 lines
5.9 KiB
Lua
-- This file adds placement rules for signs_lib, if present
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local spv = {
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[4] = true,
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[6] = true,
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[8] = true,
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[10] = true,
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[13] = true,
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[15] = true,
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[17] = true,
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[19] = true
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}
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local sphns = {
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[1] = true,
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[3] = true,
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[5] = true,
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[7] = true,
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[9] = true,
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[11] = true,
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[21] = true,
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[23] = true
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}
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local sphew = {
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[0] = true,
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[2] = true,
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[12] = true,
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[14] = true,
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[16] = true,
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[18] = true,
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[20] = true,
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[22] = true
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}
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local owtv = {
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[5] = true,
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[7] = true,
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[9] = true,
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[11] = true,
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[12] = true,
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[14] = true,
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[16] = true,
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[18] = true
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}
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local owtns = {
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[0] = true,
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[2] = true,
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[4] = true,
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[6] = true,
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[8] = true,
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[10] = true,
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[20] = true,
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[22] = true
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}
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local owtew = {
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[1] = true,
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[3] = true,
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[13] = true,
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[15] = true,
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[17] = true,
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[19] = true,
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[21] = true,
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[23] = true
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}
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local vert_n = {
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[3] = {[5] = true},
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[6] = {[9] = true, [12] = true, [16] = true},
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[7] = {[9] = true, [11] = true},
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}
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local vert_e = {
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[3] = {[5] = true},
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[6] = {[5] = true, [9] = true, [16] = true},
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[7] = {[7] = true, [11] = true},
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}
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local vert_s = {
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[3] = {[5] = true},
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[6] = {[5] = true, [12] = true, [16] = true},
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[7] = {[5] = true, [7] = true},
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}
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local vert_w = {
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[3] = {[5] = true},
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[6] = {[5] = true, [9] = true, [12] = true},
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[7] = {[5] = true, [9] = true},
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}
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local horiz_n = {
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[3] = {[0] = true},
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[6] = {[0] = true, [4] = true, [20] = true},
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[7] = {[2] = true, [10] = true},
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[8] = {[0] = true},
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[9] = {[2] = true},
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}
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local horiz_e = {
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[3] = {[1] = true},
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[6] = {[1] = true, [17] = true, [21] = true},
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[7] = {[3] = true, [19] = true},
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[8] = {[1] = true},
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[9] = {[3] = true},
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}
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local horiz_s = {
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[3] = {[0] = true},
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[6] = {[0] = true, [8] = true, [20] = true},
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[7] = {[0] = true, [4] = true},
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[8] = {[0] = true},
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[9] = {[0] = true},
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}
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local horiz_w = {
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[3] = {[1] = true},
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[6] = {[1] = true, [13] = true, [21] = true},
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[7] = {[1] = true, [13] = true},
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[8] = {[1] = true},
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[9] = {[1] = true},
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}
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local function get_sign_dir(node, def)
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if (node.param2 == 4 and def.paramtype2 == "wallmounted")
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or (node.param2 == 0 and def.paramtype2 ~= "wallmounted") then
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return {["N"] = true}
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elseif (node.param2 == 2 and def.paramtype2 == "wallmounted")
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or (node.param2 == 1 and def.paramtype2 ~= "wallmounted") then
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return {["E"] = true}
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elseif (node.param2 == 5 and def.paramtype2 == "wallmounted")
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or (node.param2 == 2 and def.paramtype2 ~= "wallmounted") then
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return {["S"] = true}
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elseif node.param2 == 3 then
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return {["W"] = true}
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end
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return {}
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end
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--[[
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In the functions below:
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pos: the (real) position of the placed sign
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node: the sign node itself
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def: its definition
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ppos: the position of the pointed node (pipe/tube)
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pnode: the node itself
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pdef: its definition
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--]]
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-- pipes
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function pipeworks.check_for_vert_pipe(pos, node, def, ppos, pnode, pdef)
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local signdir = get_sign_dir(node, def)
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local pipenumber = pdef.pipenumber
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local pipedir = pnode.param2
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if string.find(pnode.name, "straight_pipe") and spv[pipedir] then
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return true
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elseif signdir["N"] and vert_n[pipenumber] and vert_n[pipenumber][pipedir] then
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return true
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elseif signdir["E"] and vert_e[pipenumber] and vert_e[pipenumber][pipedir] then
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return true
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elseif signdir["S"] and vert_s[pipenumber] and vert_s[pipenumber][pipedir] then
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return true
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elseif signdir["W"] and vert_w[pipenumber] and vert_w[pipenumber][pipedir] then
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return true
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end
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end
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function pipeworks.check_for_horiz_pipe(pos, node, def, ppos, pnode, pdef)
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local signdir = get_sign_dir(node, def)
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local pipenumber = pdef.pipenumber
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local pipedir = pnode.param2
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if string.find(pnode.name, "straight_pipe") then
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if (signdir["N"] or signdir["S"]) and sphns[pipedir] then
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return true
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elseif (signdir["E"] or signdir["W"]) and sphew[pipedir] then
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return true
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end
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elseif signdir["N"] and horiz_n[pipenumber] and horiz_n[pipenumber][pipedir] then
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return true
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elseif signdir["E"] and horiz_e[pipenumber] and horiz_e[pipenumber][pipedir] then
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return true
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elseif signdir["S"] and horiz_s[pipenumber] and horiz_s[pipenumber][pipedir] then
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return true
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elseif signdir["W"] and horiz_w[pipenumber] and horiz_w[pipenumber][pipedir] then
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return true
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end
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end
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-- tubes
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function pipeworks.check_for_vert_tube(pos, node, def, ppos, pnode, pdef)
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local signdir = get_sign_dir(node, def)
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local tubenumber = pdef.tubenumber
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local tubedir = pnode.param2
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if pnode.name == "pipeworks:one_way_tube" and owtv[tubedir] then
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return true
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elseif tubenumber == 2 and (tubedir == 5 or tubedir == 7) then -- it's a stub pointing up or down
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return true
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elseif signdir["N"] and vert_n[tubenumber] and vert_n[tubenumber][tubedir] then
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return true
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elseif signdir["E"] and vert_e[tubenumber] and vert_e[tubenumber][tubedir] then
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return true
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elseif signdir["S"] and vert_s[tubenumber] and vert_s[tubenumber][tubedir] then
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return true
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elseif signdir["W"] and vert_w[tubenumber] and vert_w[tubenumber][tubedir] then
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return true
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end
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end
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function pipeworks.check_for_horiz_tube(pos, node, def, ppos, pnode, pdef)
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local signdir = get_sign_dir(node, def)
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local tubenumber = pdef.tubenumber
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local tubedir = pnode.param2
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if tubenumber == 2 then -- it'a a stub pointing sideways
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if (tubedir == 0 or tubedir == 2) and (signdir["N"] or signdir["S"]) then
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return true
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elseif (tubedir == 1 or tubedir == 3) and (signdir["E"] or signdir["W"]) then
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return true
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end
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elseif pnode.name == "pipeworks:one_way_tube" then
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if (signdir["N"] or signdir["S"]) and owtns[tubedir] then
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return true
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elseif (signdir["E"] or signdir["W"]) and owtew[tubedir] then
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return true
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end
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elseif signdir["N"] and horiz_n[tubenumber] and horiz_n[tubenumber][tubedir] then
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return true
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elseif signdir["E"] and horiz_e[tubenumber] and horiz_e[tubenumber][tubedir] then
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return true
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elseif signdir["S"] and horiz_s[tubenumber] and horiz_s[tubenumber][tubedir] then
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return true
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elseif signdir["W"] and horiz_w[tubenumber] and horiz_w[tubenumber][tubedir] then
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return true
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end
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end
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