init.lua

   1 returnmirror = {}
   2 returnmirror.cost_teleport = 200
   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 returnmirror.set_position_inactive = function(itemstack, user, pointed_thing)
  33         if returnmirror.mana_check(user, returnmirror.cost_set) then
  34                 local pos = user:getpos()
  35                 local newitem = ItemStack("returnmirror:mirror_active")
  36                 newitem:set_metadata(minetest.pos_to_string(pos))
  37                 minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
  38                 return newitem
  39         end
  40 end
  41
  42 returnmirror.set_position_active = function(itemstack, user, pointed_thing)
  43         if returnmirror.mana_check(user, returnmirror.cost_set) then
  44                 local pos = user:getpos()
  45                 itemstack:set_metadata(minetest.pos_to_string(pos))
  46                 minetest.sound_play( {name="returnmirror_set", gain=1}, {pos=pos, max_hear_distance=12})
  47                 return itemstack
  48         end
  49 end
  50
  51 minetest.register_tool("returnmirror:mirror_inactive", {
  52         description = "Mirror of Returning",
  53         inventory_image = "returnmirror_mirror_inactive.png",
  54         wield_image = "returnmirror_mirror_inactive.png",
  55         tool_capabilities = {},
  56         range = 0,
  57         on_use = function() end,
  58         on_place = returnmirror.set_position_inactive,
  59         on_secondary_use = returnmirror.set_position_inactive,
  60 })
  61
  62 minetest.register_tool("returnmirror:mirror_active", {
  63         description = "Mirror of Returning",
  64         stack_max = 1,
  65         inventory_image = "returnmirror_mirror_active.png",
  66         wield_image = "returnmirror_mirror_active.png",
  67         tool_capabilities = {},
  68         range = 0,
  69         on_use = function(itemstack, user, pointed_thing)
  70                 local dest_string = itemstack:get_metadata()
  71                 local dest = minetest.string_to_pos(dest_string)
  72                 if dest ~= nil then
  73                         if returnmirror.mana_check(user, returnmirror.cost_teleport) then
  74                                 local src = user:getpos()
  75                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=src, max_hear_distance=30})
  76                                 minetest.add_particlespawner({
  77                                         amount = 50,
  78                                         time = 0.1,
  79                                         minpos = {x=src.x-0.4, y=src.y+0.25, z=src.z-0.4},
  80                                         maxpos = {x=src.x+0.4, y=src.y+0.75, z=src.z+0.4},
  81                                         minvel = {x=-0.2, y=-0.2, z=-0.2},
  82                                         maxvel = {x=0.2, y=0.2, z=0.2},
  83                                         minexptime=3,
  84                                         maxexptime=4.5,
  85                                         minsize=1,
  86                                         maxsize=1.25,
  87                                         texture = "returnmirror_particle_departure.png",
  88                                 })
  89                                 user:setpos(dest)
  90                                 minetest.sound_play( {name="returnmirror_teleport", gain=1}, {pos=dest, max_hear_distance=30})
  91                                 minetest.add_particlespawner({
  92                                         amount = 100,
  93                                         time = 0.1,
  94                                         minpos = {x=dest.x-0.4, y=dest.y+0.25, z=dest.z-0.4},
  95                                         maxpos = {x=dest.x+0.4, y=dest.y+0.75, z=dest.z+0.4},
  96                                         minvel = {x=-0.4, y=-0.3, z=-0.4},
  97                                         maxvel = {x=0.4, y=0.3, z=0.4},
  98                                         minexptime=6,
  99                                         maxexptime=12,
 100                                         minsize=1,
 101                                         maxsize=1.25,
 102                                         texture = "returnmirror_particle_arrival.png",
 103                                 })
 104                         end
 105                 end
 106         end,
 107         on_place = returnmirror.set_position_active,
 108         on_secondary_use = returnmirror.set_position_active,
 109         groups = { not_in_creative_inventory = 1 },
 110 })
 111
 112 minetest.register_alias("returnmirror:mirror_inactive", "returnmirror:returnmirror")