mods/mob/chatcommands.lua

   1 minetest.register_chatcommand("spawn", {
   2         params = "<mob>",
   3         description = "Spawn x amount of a mob, used as /spawn 'mob' 10 or /spawn 'mob' for one",
   4         privs = {server = true},
   5         func = function( name, mob)
   6                 --local vars
   7                 local str = mob
   8                 local amount = 1
   9
  10                 --checks if a player put a number of mobs
  11                 local number_of_mobs = string.find(str, "%s%d+")
  12
  13
  14                 --remove spaces from the string
  15                 if number_of_mobs == nil then
  16                         str:gsub("%s", "")
  17                         str = "mob:"..mob
  18                         --don't change amount
  19                 else--or find values
  20                         amount = tonumber(str:match("^.-%s(.*)"))
  21                         str = "mob:"..str:match("(.*)%s")
  22                 end
  23                 --explain formatting
  24                 if amount == nil or str == nil then
  25                         minetest.chat_send_player(name, "Format as /spawn 'mob' 20  ...  or /spawn 'mob'")
  26                 end
  27
  28                 --add amount of entities if registered
  29                 if minetest.registered_entities[str] ~= nil then
  30                         local pos = minetest.get_player_by_name(name):getpos()
  31                         pos.y = pos.y + 1
  32                         --add in amount through loop
  33                         if amount > 1 then
  34                                 for i = 1,amount do
  35                                         minetest.add_entity(pos,str)
  36                                 end
  37                         else --add single
  38                                 minetest.add_entity(pos,str)
  39                         end
  40                 else --tell player the mob doesn't exist if not a registered entity
  41                         minetest.chat_send_player(name, str:match("^.-:(.*)"):gsub("^%l", string.upper).." is not a mob.")
  42                 end
  43
  44         end,
  45 })