init.lua

   1 returnmirror = {}
   2 returnmirror.cost_teleport = 100
   3 returnmirror.cost_set = 20
   4
   5 if tonumber(minetest.setting_get("returnmirror_cost_teleport")) ~= nil then
   6         returnmirror.cost_teleport = tonumber(minetest.setting_get("returnmirror_cost_teleport"))
   7 end
   8 if tonumber(minetest.setting_get("returnmirror_cost_set")) ~= nil then
   9         returnmirror.cost_set = tonumber(minetest.setting_get("returnmirror_cost_set"))
  10 end
  11
  12 if minetest.get_modpath("mana") ~= nil then
  13         returnmirror.mana = true
  14 else
  15         returnmirror.mana = false
  16 end
  17
  18 returnmirror.mana_check = function(player, cost)
  19         local allowed
  20         if returnmirror.mana then
  21                 if mana.subtract(player:get_player_name(), cost) then
  22                         allowed = true
  23                 else
  24                         allowed = false
  25                 end
  26         else
  27                 allowed = true
  28         end
  29         return allowed
  30 end
  31
  32 minetest.register_tool("returnmirror:returnmirror", {
  33         description = "Mirror of Returning",
  34         stack_max = 1,
  35         inventory_image = "returnmirror_returnmirror.png",
  36         wield_image = "returnmirror_returnmirror.png",
  37         tool_capabilities = {},
  38         on_use = function(itemstack, user, pointed_thing)
  39                 local dest_string = itemstack:get_metadata()
  40                 local dest = minetest.string_to_pos(dest_string)
  41                 if dest ~= nil then
  42                         if returnmirror.mana_check(user, returnmirror.cost_teleport) then
  43                                 local src = user:getpos()
  44                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=src, max_hear_distance=30})
  45                                 minetest.add_particlespawner({
  46                                         amount = 50,
  47                                         time = 0.1,
  48                                         minpos = {x=src.x-0.4, y=src.y+0.25, z=src.z-0.4},
  49                                         maxpos = {x=src.x+0.4, y=src.y+0.75, z=src.z+0.4},
  50                                         minvel = {x=-0.2, y=-0.2, z=-0.2},
  51                                         maxvel = {x=0.2, y=0.2, z=0.2},
  52                                         minexptime=3,
  53                                         maxexptime=4.5,
  54                                         minsize=1,
  55                                         maxsize=1.25,
  56                                         texture = "returnmirror_particle_departure.png",
  57                                 })
  58                                 user:setpos(dest)
  59                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=dest, max_hear_distance=30})
  60                                 minetest.add_particlespawner({
  61                                         amount = 100,
  62                                         time = 0.1,
  63                                         minpos = {x=dest.x-0.4, y=dest.y+0.25, z=dest.z-0.4},
  64                                         maxpos = {x=dest.x+0.4, y=dest.y+0.75, z=dest.z+0.4},
  65                                         minvel = {x=-0.4, y=-0.3, z=-0.4},
  66                                         maxvel = {x=0.4, y=0.3, z=0.4},
  67                                         minexptime=6,
  68                                         maxexptime=12,
  69                                         minsize=1,
  70                                         maxsize=1.25,
  71                                         texture = "returnmirror_particle_arrival.png",
  72                                 })
  73                         end
  74                 end
  75         end,
  76         on_place = function(itemstack, placer, pointed_thing)
  77                 if returnmirror.mana_check(placer, returnmirror.cost_set) then
  78                         local pos = placer:getpos()
  79                         itemstack:set_metadata(minetest.pos_to_string(pos))
  80                         minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
  81                         return itemstack
  82                 end
  83         end
  84 })