diff options
| -rw-r--r-- | mesecons_luacontroller/init.lua | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua index 4b7d43b..aab222d 100644 --- a/mesecons_luacontroller/init.lua +++ b/mesecons_luacontroller/init.lua @@ -276,28 +276,39 @@ end -- Parsing and running -- ------------------------- -local function terminal_write(pos,text) +local function terminal_write(pos,text,nolf) local meta = minetest.get_meta(pos) local oldtext = meta:get_string("terminal_text") - local delim = string.len(oldtext) > 0 and "\n" or "" + local delim = (string.len(oldtext) > 0 and not nolf) and "\n" or "" local newtext = string.sub(oldtext..delim..text,-100000,-1) meta:set_string("terminal_text",newtext) end +local function terminal_clear(pos) + minetest.get_meta(pos):set_string("terminal_text","") +end + local function get_safe_print(pos) - return function (param) + return function (param,nolf) local string_meta = getmetatable("") local sandbox = string_meta.__index string_meta.__index = string -- Leave string sandbox temporarily + if param == nil then param = "" end if type(param) == "string" then - terminal_write(pos,param) + terminal_write(pos,param,nolf) else - terminal_write(pos,dump(param)) + terminal_write(pos,dump(param),nolf) end string_meta.__index = sandbox -- Restore string sandbox end end +local function get_clear(pos) + return function() + terminal_clear(pos) + end +end + local function safe_date() return(os.date("*t",os.time())) end @@ -625,6 +636,7 @@ local function create_environment(pos, mem, event, itbl, send_warning) heat = mesecon.get_heat(pos), heat_max = mesecon.setting("overheat_max", 20), print = get_safe_print(pos), + clearterm = get_clear(pos), interrupt = get_interrupt(pos, itbl, send_warning), digiline_send = get_digiline_send(pos, itbl, send_warning), string = { @@ -975,7 +987,7 @@ local function on_receive_fields(pos, form_name, fields, sender) return end if fields.terminal_clear then - meta:set_string("terminal_text","") + terminal_clear(pos) update_formspec(pos) return end |