remove superfluous parameter - advtrains.git - Advtrains mod for minetest.

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author	orwell96 <mono96.mml@gmail.com>	2017-11-27 17:46:01 +0100
committer	GitHub <noreply@github.com>	2017-11-27 17:46:01 +0100
commit	7681de96c95a716f7910a42b0f2beb5b23b1df47 (patch)
tree	93774a9ee48dfab87d97c862262f7859456d90fb /advtrains/models/advtrains_signal_30.b3d
parent	a3d3520fdb77c1442df69edc8f916662f3138d7d (diff)
download	advtrains-7681de96c95a716f7910a42b0f2beb5b23b1df47.tar.gz advtrains-7681de96c95a716f7910a42b0f2beb5b23b1df47.tar.bz2 advtrains-7681de96c95a716f7910a42b0f2beb5b23b1df47.zip

remove superfluous parameter

... from update_trainpart_properties call Prohibits flipping of all wagons when extent_h wasn't set

Diffstat (limited to 'advtrains/models/advtrains_signal_30.b3d')

0 files changed, 0 insertions, 0 deletions

--- Lua module to serialize values as Lua code. -- From: https://github.com/fab13n/metalua/blob/no-dll/src/lib/serialize.lua -- License: MIT -- @copyright 2006-2997 Fabien Fleutot <metalua@gmail.com> -- @author Fabien Fleutot <metalua@gmail.com> -- @author ShadowNinja <shadowninja@minetest.net> -------------------------------------------------------------------------------- --- Serialize an object into a source code string. This string, when passed as -- an argument to deserialize(), returns an object structurally identical to -- the original one. The following are currently supported: -- * Booleans, numbers, strings, and nil. -- * Functions; uses interpreter-dependent (and sometimes platform-dependent) bytecode! -- * Tables; they can cantain multiple references and can be recursive, but metatables aren't saved. -- This works in two phases: -- 1. Recursively find and record multiple references and recursion. -- 2. Recursively dump the value into a string. -- @param x Value to serialize (nil is allowed). -- @return load()able string containing the value. function core.serialize(x) local local_index = 1 -- Top index of the "_" local table in the dump -- table->nil/1/2 set of tables seen. -- nil = not seen, 1 = seen once, 2 = seen multiple times. local seen = {} -- nest_points are places where a table appears within itself, directly -- or not. For instance, all of these chunks create nest points in -- table x: "x = {}; x[x] = 1", "x = {}; x[1] = x", -- "x = {}; x[1] = {y = {x}}". -- To handle those, two tables are used by mark_nest_point: -- * nested - Transient set of tables being currently traversed. -- Used for detecting nested tables. -- * nest_points - parent->{key=value, ...} table cantaining the nested -- keys and values in the parent. They're all dumped after all the -- other table operations have been performed. -- -- mark_nest_point(p, k, v) fills nest_points with information required -- to remember that key/value (k, v) creates a nest point in table -- parent. It also marks "parent" and the nested item(s) as occuring -- multiple times, since several references to it will be required in -- order to patch the nest points. local nest_points = {} local nested = {} local function mark_nest_point(parent, k, v) local nk, nv = nested[k], nested[v] local np = nest_points[parent] if not np then np = {} nest_points[parent] = np end np[k] = v seen[parent] = 2 if nk then seen[k] = 2 end if nv then seen[v] = 2 end end -- First phase, list the tables and functions which appear more than -- once in x. local function mark_multiple_occurences(x) local tp = type(x) if tp ~= "table" and tp ~= "function" then -- No identity (comparison is done by value, not by instance) return end if seen[x] == 1 then seen[x] = 2 elseif seen[x] ~= 2 then seen[x] = 1 end if tp == "table" then nested[x] = true for k, v in pairs(x) do if nested[k] or nested[v] then mark_nest_point(x, k, v) else mark_multiple_occurences(k) mark_multiple_occurences(v) end end nested[x] = nil end end local dumped = {} -- object->varname set local local_defs = {} -- Dumped local definitions as source code lines -- Mutually recursive local functions: local dump_val, dump_or_ref_val -- If x occurs multiple times, dump the local variable rather than -- the value. If it's the first time it's dumped, also dump the -- content in local_defs. function dump_or_ref_val(x) if seen[x] ~= 2 then return dump_val(x) end local var = dumped[x] if var then -- Already referenced return var end -- First occurence, create and register reference local val = dump_val(x) local i = local_index local_index = local_index + 1 var = "_["..i.."]" local_defs[#local_defs + 1] = var.." = "..val dumped[x] = var return var end -- Second phase. Dump the object; subparts occuring multiple times -- are dumped in local variables which can be referenced multiple -- times. Care is taken to dump local vars in a sensible order. function dump_val(x) local tp = type(x) if x == nil then return "nil" elseif tp == "string" then return string.format("%q", x) elseif tp == "boolean" then return x and "true" or "false" elseif tp == "function" then return string.format("loadstring(%q)", string.dump(x)) elseif tp == "number" then -- Serialize integers with string.format to prevent -- scientific notation, which doesn't preserve -- precision and breaks things like node position -- hashes. Serialize floats normally. if math.floor(x) == x then return string.format("%d", x) else return tostring(x) end elseif tp == "table" then local vals = {} local idx_dumped = {} local np = nest_points[x] for i, v in ipairs(x) do if not np or not np[i] then vals[#vals + 1] = dump_or_ref_val(v) end idx_dumped[i] = true end for k, v in pairs(x) do if (not np or not np[k]) and not idx_dumped[k] then vals[#vals + 1] = "["..dump_or_ref_val(k).."] = " ..dump_or_ref_val(v) end end return "{"..table.concat(vals, ", ").."}" else error("Can't serialize data of type "..tp) end end local function dump_nest_points() for parent, vals in pairs(nest_points) do for k, v in pairs(vals) do local_defs[#local_defs + 1] = dump_or_ref_val(parent) .."["..dump_or_ref_val(k).."] = " ..dump_or_ref_val(v) end end end mark_multiple_occurences(x) local top_level = dump_or_ref_val(x) dump_nest_points() if next(local_defs) then return "local _ = {}\n" ..table.concat(local_defs, "\n") .."\nreturn "..top_level else return "return "..top_level end end -- Deserialization local env = { loadstring = loadstring, } local safe_env = { loadstring = function() end, } function core.deserialize(str, safe) if type(str) ~= "string" then return nil, "Cannot deserialize type '"..type(str) .."'. Argument must be a string." end if str:byte(1) == 0x1B then return nil, "Bytecode prohibited" end local f, err = loadstring(str) if not f then return nil, err end setfenv(f, safe and safe_env or env) local good, data = pcall(f) if good then return data else return nil, data end end -- Unit tests local test_in = {cat={sound="nyan", speed=400}, dog={sound="woof"}} local test_out = core.deserialize(core.serialize(test_in)) assert(test_in.cat.sound == test_out.cat.sound) assert(test_in.cat.speed == test_out.cat.speed) assert(test_in.dog.sound == test_out.dog.sound) test_in = {escape_chars="\n\r\t\v\\\"\'", non_european="θשׁ٩∂"} test_out = core.deserialize(core.serialize(test_in)) assert(test_in.escape_chars == test_out.escape_chars) assert(test_in.non_european == test_out.non_european)


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