itemframe.lua

   1 local tmp = {}
   2 screwdriver = screwdriver or {}
   3
   4 local function remove_item(pos, node)
   5         local objs = minetest.get_objects_inside_radius(pos, 0.5)
   6         if not objs then return end
   7
   8         for _, obj in pairs(objs) do
   9                 if obj and obj:get_luaentity() and
  10                         obj:get_luaentity().name == "xdecor:f_item" then
  11                         obj:remove()
  12                 end
  13         end
  14 end
  15
  16 local facedir = {
  17         [0] = {x=0, y=0, z=1}, {x=1, y=0, z=0},
  18               {x=0, y=0, z=-1},{x=-1, y=0, z=0}
  19 }
  20
  21 local function update_item(pos, node)
  22         remove_item(pos, node)
  23         local meta = minetest.get_meta(pos)
  24         local itemstring = meta:get_string("item")
  25         local posad = facedir[node.param2]
  26         if not posad or itemstring == "" then return end
  27
  28         pos.x = pos.x + posad.x * 6.5/16
  29         pos.y = pos.y + posad.y * 6.5/16
  30         pos.z = pos.z + posad.z * 6.5/16
  31         tmp.nodename = node.name
  32         tmp.texture = ItemStack(itemstring):get_name()
  33
  34         local entity = minetest.add_entity(pos, "xdecor:f_item")
  35         local yaw = math.pi*2 - node.param2 * math.pi/2
  36         entity:setyaw(yaw)
  37 end
  38
  39 local function drop_item(pos, node)
  40         local meta = minetest.get_meta(pos)
  41         local item = meta:get_string("item")
  42         if item == "" then return end
  43
  44         minetest.add_item(pos, item)
  45         meta:set_string("item", "")
  46         remove_item(pos, node)
  47 end
  48
  49 minetest.register_entity("xdecor:f_item", {
  50         hp_max = 1,
  51         visual = "wielditem",
  52         visual_size = {x=.33, y=.33},
  53         collisionbox = {0},
  54         physical = false,
  55         textures = {"air"},
  56         on_activate = function(self, staticdata)
  57                 if tmp.nodename and tmp.texture then
  58                         self.nodename = tmp.nodename
  59                         tmp.nodename = nil
  60                         self.texture = tmp.texture
  61                         tmp.texture = nil
  62                 elseif staticdata and staticdata ~= "" then
  63                         local data = staticdata:split(";")
  64                         if data and data[1] and data[2] then
  65                                 self.nodename = data[1]
  66                                 self.texture = data[2]
  67                         end
  68                 end
  69                 if self.texture then
  70                         self.object:set_properties({textures={self.texture}})
  71                 end
  72         end,
  73         get_staticdata = function(self)
  74                 if self.nodename and self.texture then
  75                         return self.nodename..";"..self.texture
  76                 end
  77                 return ""
  78         end
  79 })
  80
  81 xdecor.register("frame", {
  82         description = "Item Frame",
  83         groups = {choppy=3, oddly_breakable_by_hand=2},
  84         sounds = default.node_sound_wood_defaults(),
  85         on_rotate = screwdriver.disallow,
  86         sunlight_propagates = true,
  87         inventory_image = "xdecor_frame.png",
  88         node_box = xdecor.nodebox.slab_z(0.9375),
  89         tiles = {"xdecor_wood.png", "xdecor_wood.png", "xdecor_wood.png",
  90                  "xdecor_wood.png", "xdecor_wood.png", "xdecor_frame.png"},
  91         after_place_node = function(pos, placer, itemstack)
  92                 local meta = minetest.get_meta(pos)
  93                 local name = placer:get_player_name()
  94                 meta:set_string("owner", name)
  95                 meta:set_string("infotext", "Item Frame (owned by "..name..")")
  96         end,
  97         on_rightclick = function(pos, node, clicker, itemstack)
  98                 local meta = minetest.get_meta(pos)
  99                 local player = clicker:get_player_name()
 100                 local owner = meta:get_string("owner")
 101                 if player ~= owner or not itemstack then return end
 102
 103                 drop_item(pos, node)
 104                 local itemstring = itemstack:take_item():to_string()
 105                 meta:set_string("item", itemstring)
 106                 update_item(pos, node)
 107
 108                 return itemstack
 109         end,
 110         on_punch = function(pos, node, puncher)
 111                 local meta = minetest.get_meta(pos)
 112                 local player = puncher:get_player_name()
 113                 local owner = meta:get_string("owner")
 114
 115                 if player ~= owner then return end
 116                 drop_item(pos, node)
 117         end,
 118         can_dig = function(pos, player)
 119                 local meta = minetest.get_meta(pos)
 120                 local pname = player:get_player_name()
 121                 local owner = meta:get_string("owner")
 122
 123                 return player and pname == owner
 124         end,
 125         after_destruct = remove_item
 126 })
 127
 128 minetest.register_abm({
 129         nodenames = {"xdecor:frame"},
 130         interval = 15, chance = 1,
 131         action = function(pos, node)
 132                 local num = #minetest.get_objects_inside_radius(pos, 0.5)
 133                 if num > 0 then return end
 134                 update_item(pos, node)
 135         end
 136 })