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, 0, 0, 0, 0, 0},
   9         physical = false,
  10         textures = {"air"},
  11         on_activate = function(self, staticdata)
  12                 if tmp.nodename ~= nil and tmp.texture ~= nil then
  13                         self.nodename = tmp.nodename
  14                         tmp.nodename = nil
  15                         self.texture = tmp.texture
  16                         tmp.texture = nil
  17                 else
  18                         if staticdata ~= nil and staticdata ~= "" then
  19                                 local data = staticdata:split(';')
  20                                 if data and data[1] and data[2] then
  21                                         self.nodename = data[1]
  22                                         self.texture = data[2]
  23                                 end
  24                         end
  25                 end
  26                 if self.texture ~= nil then
  27                         self.object:set_properties({textures={self.texture}})
  28                 end
  29         end,
  30         get_staticdata = function(self)
  31                 if self.nodename ~= nil and self.texture ~= nil then
  32                         return self.nodename .. ';' .. self.texture
  33                 end
  34                 return ""
  35         end
  36 })
  37
  38 local remove_item = function(pos, node)
  39         local objs = nil
  40         objs = minetest.get_objects_inside_radius(pos, .5)
  41
  42         if objs then
  43                 for _, obj in ipairs(objs) do
  44                         if obj and obj:get_luaentity() and
  45                                 obj:get_luaentity().name == "xdecor:f_item" then
  46                                 obj:remove()
  47                         end
  48                 end
  49         end
  50 end
  51
  52 local facedir = {}
  53 facedir[0] = {x=0, y=0, z=1}
  54 facedir[1] = {x=1, y=0, z=0}
  55 facedir[2] = {x=0, y=0, z=-1}
  56 facedir[3] = {x=-1, y=0, z=0}
  57
  58 local update_item = function(pos, node)
  59         remove_item(pos, node)
  60         local meta = minetest.get_meta(pos)
  61
  62         if meta:get_string("item") ~= "" then
  63                 local posad = facedir[node.param2]
  64
  65                 if not posad then
  66                         return
  67                 end
  68                 pos.x = pos.x + posad.x*6.5/16
  69                 pos.y = pos.y + posad.y*6.5/16
  70                 pos.z = pos.z + posad.z*6.5/16
  71                 tmp.nodename = node.name
  72                 tmp.texture = ItemStack(meta:get_string("item")):get_name()
  73
  74                 local e = minetest.add_entity(pos, "xdecor:f_item")
  75                 local yaw = math.pi*2 - node.param2 * math.pi/2
  76                 e:setyaw(yaw)
  77         end
  78 end
  79
  80 local drop_item = function(pos, node)
  81         local meta = minetest.get_meta(pos)
  82         if meta:get_string("item") ~= "" then
  83                 minetest.add_item(pos, meta:get_string("item"))
  84                 meta:set_string("item", "")
  85         end
  86         remove_item(pos, node)
  87 end
  88
  89 xdecor.register("frame", {
  90         description = "Item frame",
  91         groups = {snappy=3},
  92         on_rotate = screwdriver.disallow,
  93         node_box = {
  94                 type = "fixed",
  95                 fixed = {-0.5, -0.5, 7/16, 0.5, 0.5, 0.5}
  96         },
  97         tiles = {
  98                 "xdecor_wood.png", "xdecor_wood.png", "xdecor_wood.png",
  99                 "xdecor_wood.png", "xdecor_wood.png", "xdecor_frame.png"
 100         },
 101         inventory_image = "xdecor_frame.png",
 102         after_place_node = function(pos, placer, itemstack)
 103                 local meta = minetest.get_meta(pos)
 104                 meta:set_string("owner", placer:get_player_name())
 105                 meta:set_string("infotext", "Item frame (owned by "..placer:get_player_name()..")")
 106         end,
 107         on_rightclick = function(pos, node, clicker, itemstack)
 108                 if not itemstack then
 109                         return
 110                 end
 111
 112                 local meta = minetest.get_meta(pos)
 113                 if clicker:get_player_name() == meta:get_string("owner") then
 114                         drop_item(pos, node)
 115                         local s = itemstack:take_item()
 116                         meta:set_string("item", s:to_string())
 117                         update_item(pos, node)
 118                 end
 119
 120                 return itemstack
 121         end,
 122         on_punch = function(pos, node, puncher)
 123                 local meta = minetest.get_meta(pos)
 124                 if puncher:get_player_name() == meta:get_string("owner") then
 125                         drop_item(pos, node)
 126                 end
 127         end,
 128         can_dig = function(pos, player)
 129                 local meta = minetest.get_meta(pos)
 130                 return player:get_player_name() == meta:get_string("owner")
 131         end,
 132         after_destruct = remove_item
 133 })
 134
 135 minetest.register_abm({
 136         nodenames = {"xdecor:frame"},
 137         interval = 15,
 138         chance = 1,
 139         action = function(pos, node, active_object_count, active_object_count_wider)
 140                 if #minetest.get_objects_inside_radius(pos, 0.5) > 0 then
 141                         return
 142                 end
 143                 update_item(pos, node)
 144         end
 145 })