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