diff options
Diffstat (limited to 'builtin/common/misc_helpers.lua')
| -rw-r--r-- | builtin/common/misc_helpers.lua | 109 |
1 files changed, 25 insertions, 84 deletions
diff --git a/builtin/common/misc_helpers.lua b/builtin/common/misc_helpers.lua index d6673a691..715f89bc4 100644 --- a/builtin/common/misc_helpers.lua +++ b/builtin/common/misc_helpers.lua @@ -5,7 +5,7 @@ local string_sub, string_find = string.sub, string.find -------------------------------------------------------------------------------- -function basic_dump(o) +local function basic_dump(o) local tp = type(o) if tp == "number" then return tostring(o) @@ -200,28 +200,11 @@ function table.indexof(list, val) return -1 end -assert(table.indexof({"foo", "bar"}, "foo") == 1) -assert(table.indexof({"foo", "bar"}, "baz") == -1) - --------------------------------------------------------------------------------- -if INIT ~= "client" then - function file_exists(filename) - local f = io.open(filename, "r") - if f == nil then - return false - else - f:close() - return true - end - end -end -------------------------------------------------------------------------------- function string:trim() return (self:gsub("^%s*(.-)%s*$", "%1")) end -assert(string.trim("\n \t\tfoo bar\t ") == "foo bar") - -------------------------------------------------------------------------------- function math.hypot(x, y) local t @@ -259,64 +242,6 @@ function math.factorial(x) return v end --------------------------------------------------------------------------------- -function get_last_folder(text,count) - local parts = text:split(DIR_DELIM) - - if count == nil then - return parts[#parts] - end - - local retval = "" - for i=1,count,1 do - retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM - end - - return retval -end - --------------------------------------------------------------------------------- -function cleanup_path(temppath) - - local parts = temppath:split("-") - temppath = "" - for i=1,#parts,1 do - if temppath ~= "" then - temppath = temppath .. "_" - end - temppath = temppath .. parts[i] - end - - parts = temppath:split(".") - temppath = "" - for i=1,#parts,1 do - if temppath ~= "" then - temppath = temppath .. "_" - end - temppath = temppath .. parts[i] - end - - parts = temppath:split("'") - temppath = "" - for i=1,#parts,1 do - if temppath ~= "" then - temppath = temppath .. "" - end - temppath = temppath .. parts[i] - end - - parts = temppath:split(" ") - temppath = "" - for i=1,#parts,1 do - if temppath ~= "" then - temppath = temppath - end - temppath = temppath .. parts[i] - end - - return temppath -end - function core.formspec_escape(text) if text ~= nil then text = string.gsub(text,"\\","\\\\") @@ -428,10 +353,9 @@ if INIT == "game" then core.rotate_node = function(itemstack, placer, pointed_thing) local name = placer and placer:get_player_name() or "" local invert_wall = placer and placer:get_player_control().sneak or false - core.rotate_and_place(itemstack, placer, pointed_thing, + return core.rotate_and_place(itemstack, placer, pointed_thing, is_creative(name), {invert_wall = invert_wall}, true) - return itemstack end end @@ -521,9 +445,6 @@ function core.string_to_pos(value) return nil end -assert(core.string_to_pos("10.0, 5, -2").x == 10) -assert(core.string_to_pos("( 10.0, 5, -2)").z == -2) -assert(core.string_to_pos("asd, 5, -2)") == nil) -------------------------------------------------------------------------------- function core.string_to_area(value) @@ -576,6 +497,29 @@ function table.insert_all(t, other) end +function table.key_value_swap(t) + local ti = {} + for k,v in pairs(t) do + ti[v] = k + end + return ti +end + + +function table.shuffle(t, from, to, random) + from = from or 1 + to = to or #t + random = random or math.random + local n = to - from + 1 + while n > 1 do + local r = from + n-1 + local l = from + random(0, n-1) + t[l], t[r] = t[r], t[l] + n = n-1 + end +end + + -------------------------------------------------------------------------------- -- mainmenu only functions -------------------------------------------------------------------------------- @@ -756,6 +700,3 @@ function core.privs_to_string(privs, delim) end return table.concat(list, delim) end - -assert(core.string_to_privs("a,b").b == true) -assert(core.privs_to_string({a=true,b=true}) == "a,b") |