util/helper_mod/init.lua

   1 local mode = core.settings:get("helper_mode")
   2
   3 if mode == "devtest" then
   4
   5         -- Provide feedback to script by creating files in world path
   6         core.after(0, function()
   7                 io.close(io.open(core.get_worldpath() .. "/startup", "w"))
   8         end)
   9         local function callback(test_ok)
  10                 if not test_ok then
  11                         io.close(io.open(core.get_worldpath() .. "/test_failure", "w"))
  12                 end
  13                 io.close(io.open(core.get_worldpath() .. "/done", "w"))
  14                 core.request_shutdown("", false, 2)
  15         end
  16         -- If tests are enabled exit when they're done, otherwise exit on player join
  17         if core.settings:get_bool("devtest_unittests_autostart") and core.global_exists("unittests") then
  18                 unittests.on_finished = callback
  19         else
  20                 core.register_on_joinplayer(function() callback(true) end)
  21         end
  22
  23 elseif mode == "mapgen" then
  24
  25         -- Stress-test mapgen by constantly generating new area
  26         local csize = tonumber(core.settings:get("chunksize")) * core.MAP_BLOCKSIZE
  27         local MINP, MAXP = vector.new(0, -csize, 0), vector.new(csize*3, csize*2, csize)
  28         local DIR = "x"
  29         local pstart = vector.new(0, 0, 0)
  30         local next_, callback
  31         next_ = function(arg)
  32                 print("emerging " .. core.pos_to_string(pstart))
  33                 core.emerge_area(
  34                         vector.add(pstart, MINP), vector.add(pstart, MAXP),
  35                         callback, arg
  36                 )
  37         end
  38         local trig = {}
  39         callback = function(blockpos, action, calls_rem, n)
  40                 if action == core.EMERGE_CANCELLED or action == core.EMERGE_ERRORED then
  41                         return
  42                 end
  43                 if calls_rem <= 20 and not trig[n] then
  44                         trig[n] = true
  45                         pstart[DIR] = pstart[DIR] + (MAXP[DIR] - MINP[DIR])
  46                         next_(n + 1)
  47                 end
  48         end
  49         core.after(0, next_, 1)
  50
  51 end