itemframes.lua

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