init.lua

   1 returnmirror = {}
   2 returnmirror.cost_teleport = 100
   3 returnmirror.cost_set = 20
   4
   5 if minetest.get_modpath("mana") ~= nil then
   6         returnmirror.mana = true
   7 else
   8         returnmirror.mana = false
   9 end
  10
  11 returnmirror.mana_check = function(player, cost)
  12         local allowed
  13         if returnmirror.mana then
  14                 if mana.subtract(player:get_player_name(), cost) then
  15                         allowed = true
  16                 else
  17                         allowed = false
  18                 end
  19         else
  20                 allowed = true
  21         end
  22         return allowed
  23 end
  24
  25 minetest.register_tool("returnmirror:returnmirror", {
  26         description = "Mirror of Returning",
  27         stack_max = 1,
  28         inventory_image = "returnmirror_returnmirror.png",
  29         wield_image = "returnmirror_returnmirror.png",
  30         tool_capabilities = {},
  31         on_use = function(itemstack, user, pointed_thing)
  32                 local dest_string = itemstack:get_metadata()
  33                 local dest = minetest.string_to_pos(dest_string)
  34                 if dest ~= nil then
  35                         if returnmirror.mana_check(user, returnmirror.cost_teleport) then
  36                                 local src = user:getpos()
  37                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=src, max_hear_distance=30})
  38                                 minetest.add_particlespawner({
  39                                         amount = 50,
  40                                         time = 0.1,
  41                                         minpos = {x=src.x-0.4, y=src.y+0.25, z=src.z-0.4},
  42                                         maxpos = {x=src.x+0.4, y=src.y+0.75, z=src.z+0.4},
  43                                         minvel = {x=-0.2, y=-0.2, z=-0.2},
  44                                         maxvel = {x=0.2, y=0.2, z=0.2},
  45                                         minexptime=3,
  46                                         maxexptime=4.5,
  47                                         minsize=1,
  48                                         maxsize=1.25,
  49                                         texture = "returnmirror_particle_departure.png",
  50                                 })
  51                                 user:setpos(dest)
  52                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=dest, max_hear_distance=30})
  53                                 minetest.add_particlespawner({
  54                                         amount = 100,
  55                                         time = 0.1,
  56                                         minpos = {x=dest.x-0.4, y=dest.y+0.25, z=dest.z-0.4},
  57                                         maxpos = {x=dest.x+0.4, y=dest.y+0.75, z=dest.z+0.4},
  58                                         minvel = {x=-0.4, y=-0.3, z=-0.4},
  59                                         maxvel = {x=0.4, y=0.3, z=0.4},
  60                                         minexptime=6,
  61                                         maxexptime=12,
  62                                         minsize=1,
  63                                         maxsize=1.25,
  64                                         texture = "returnmirror_particle_arrival.png",
  65                                 })
  66                         end
  67                 end
  68         end,
  69         on_place = function(itemstack, placer, pointed_thing)
  70                 if returnmirror.mana_check(placer, returnmirror.cost_set) then
  71                         local pos = placer:getpos()
  72                         itemstack:set_metadata(minetest.pos_to_string(pos))
  73                         minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
  74                         return itemstack
  75                 end
  76         end
  77 })