itemframe.lua

   1 local tmp = {}
   2 screwdriver = screwdriver or {}
   3
   4 minetest.register_entity("xdecor:f_item", {
   5         hp_max = 1,
   6         visual = "wielditem",
   7         visual_size = {x=.33, y=.33},
   8         collisionbox = {0},
   9         physical = false,
  10         textures = {"air"},
  11         on_activate = function(self, staticdata)
  12                 if tmp.nodename and tmp.texture then
  13                         self.nodename = tmp.nodename
  14                         tmp.nodename = nil
  15                         self.texture = tmp.texture
  16                         tmp.texture = nil
  17                 elseif staticdata and staticdata ~= "" then
  18                         local data = staticdata:split(";")
  19                         if data and data[1] and data[2] then
  20                                 self.nodename = data[1]
  21                                 self.texture = data[2]
  22                         end
  23                 end
  24                 if self.texture then
  25                         self.object:set_properties({textures={self.texture}})
  26                 end
  27         end,
  28         get_staticdata = function(self)
  29                 if self.nodename and self.texture then
  30                         return self.nodename..";"..self.texture
  31                 end
  32                 return ""
  33         end
  34 })
  35
  36 local remove_item = function(pos, node)
  37         local objs = minetest.get_objects_inside_radius(pos, 0.5)
  38         if not objs then return end
  39
  40         for _, obj in pairs(objs) do
  41                 if obj and obj:get_luaentity() and
  42                         obj:get_luaentity().name == "xdecor:f_item" then
  43                         obj:remove()
  44                 end
  45         end
  46 end
  47
  48 local facedir = {}
  49 facedir[0] = {x=0, y=0, z=1}
  50 facedir[1] = {x=1, y=0, z=0}
  51 facedir[2] = {x=0, y=0, z=-1}
  52 facedir[3] = {x=-1, y=0, z=0}
  53
  54 local update_item = function(pos, node)
  55         remove_item(pos, node)
  56         local meta = minetest.get_meta(pos)
  57         local itemstring = meta:get_string("item")
  58         local posad = facedir[node.param2]
  59         if not posad or itemstring == "" then return end
  60
  61         pos.x = pos.x + posad.x * 6.5/16
  62         pos.y = pos.y + posad.y * 6.5/16
  63         pos.z = pos.z + posad.z * 6.5/16
  64         tmp.nodename = node.name
  65         tmp.texture = ItemStack(itemstring):get_name()
  66
  67         local entity = minetest.add_entity(pos, "xdecor:f_item")
  68         local yaw = math.pi*2 - node.param2 * math.pi/2
  69         entity:setyaw(yaw)
  70 end
  71
  72 local drop_item = function(pos, node)
  73         local meta = minetest.get_meta(pos)
  74         if meta:get_string("item") == "" then return end
  75
  76         minetest.add_item(pos, meta:get_string("item"))
  77         meta:set_string("item", "")
  78         remove_item(pos, node)
  79 end
  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 = {
  90                 "xdecor_wood.png", "xdecor_wood.png", "xdecor_wood.png",
  91                 "xdecor_wood.png", "xdecor_wood.png", "xdecor_frame.png"
  92         },
  93         after_place_node = function(pos, placer, itemstack)
  94                 local meta = minetest.get_meta(pos)
  95                 local name = placer:get_player_name()
  96
  97                 meta:set_string("owner", name)
  98                 meta:set_string("infotext", "Item Frame (owned by "..name..")")
  99         end,
 100         on_rightclick = function(pos, node, clicker, itemstack)
 101                 local meta = minetest.get_meta(pos)
 102                 local player = clicker:get_player_name()
 103
 104                 if player ~= meta:get_string("owner") or not itemstack then
 105                         return
 106                 end
 107
 108                 drop_item(pos, node)
 109                 local itemstring = itemstack:take_item():to_string()
 110                 meta:set_string("item", itemstring)
 111                 update_item(pos, node)
 112
 113                 return itemstack
 114         end,
 115         on_punch = function(pos, node, puncher)
 116                 local meta = minetest.get_meta(pos)
 117                 local player = puncher:get_player_name()
 118
 119                 if player ~= meta:get_string("owner") then return end
 120                 drop_item(pos, node)
 121         end,
 122         can_dig = function(pos, player)
 123                 local meta = minetest.get_meta(pos)
 124                 local owner = meta:get_string("owner")
 125
 126                 if not player or player:get_player_name() ~= owner then
 127                         return false
 128                 end
 129
 130                 return true
 131         end,
 132         after_destruct = remove_item
 133 })
 134
 135 minetest.register_abm({
 136         nodenames = {"xdecor:frame"},
 137         interval = 15, chance = 1,
 138         action = function(pos, node)
 139                 local num = #minetest.get_objects_inside_radius(pos, 0.5)
 140                 if num > 0 then return end
 141                 update_item(pos, node)
 142         end
 143 })