mods/ITEMS/mcl_itemframes/init.lua

   1 minetest.register_entity("mcl_itemframes:item",{
   2         hp_max = 1,
   3         visual = "wielditem",
   4         visual_size = {x=0.3,y=0.3},
   5         collisionbox = {0,0,0,0,0,0},
   6         physical = false,
   7         textures = { "empty.png" },
   8         on_activate = function(self, staticdata)
   9                 if staticdata ~= nil and staticdata ~= "" then
  10                         local data = staticdata:split(';')
  11                         if data and data[1] and data[2] then
  12                                 self._nodename = data[1]
  13                                 self._texture = data[2]
  14                         end
  15                 end
  16                 if self._texture ~= nil then
  17                         self.object:set_properties({textures={self._texture}})
  18                 end
  19         end,
  20         get_staticdata = function(self)
  21                 if self._nodename ~= nil and self._texture ~= nil then
  22                         return self._nodename .. ';' .. self._texture
  23                 end
  24                 return ""
  25         end,
  26
  27         _update_texture = function(self)
  28                 if self._texture ~= nil then
  29                         self.object:set_properties({textures={self._texture}})
  30                 end
  31         end,
  32 })
  33
  34
  35 local facedir = {}
  36 facedir[0] = {x=0,y=0,z=1}
  37 facedir[1] = {x=1,y=0,z=0}
  38 facedir[2] = {x=0,y=0,z=-1}
  39 facedir[3] = {x=-1,y=0,z=0}
  40
  41 local remove_item_entity = function(pos, node)
  42         local objs = nil
  43         if node.name == "mcl_itemframes:item_frame" then
  44                 objs = minetest.get_objects_inside_radius(pos, .5)
  45         end
  46         if objs then
  47                 for _, obj in ipairs(objs) do
  48                         if obj and obj:get_luaentity() and obj:get_luaentity().name == "mcl_itemframes:item" then
  49                                 obj:remove()
  50                         end
  51                 end
  52         end
  53 end
  54
  55 local update_item_entity = function(pos, node)
  56         remove_item_entity(pos, node)
  57         local meta = minetest.get_meta(pos)
  58         if meta:get_string("item") ~= "" then
  59                 if node.name == "mcl_itemframes:item_frame" then
  60                         local posad = facedir[node.param2]
  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                 end
  65                 local e = minetest.add_entity(pos,"mcl_itemframes:item")
  66                 local lua = e:get_luaentity()
  67                 lua._nodename = node.name
  68                 lua._texture = ItemStack(meta:get_string("item")):get_name()
  69                 lua:_update_texture()
  70                 if node.name == "mcl_itemframes:item_frame" then
  71                         local yaw = math.pi*2 - node.param2 * math.pi/2
  72                         e:setyaw(yaw)
  73                 end
  74         end
  75 end
  76
  77 local drop_item = function(pos, node, meta)
  78         if meta:get_string("item") ~= "" then
  79                 if node.name == "mcl_itemframes:item_frame" and not minetest.settings:get_bool("creative_mode") then
  80                         local item = ItemStack(minetest.deserialize(meta:get_string("itemdata")))
  81                         minetest.add_item(pos, item)
  82                 end
  83                 meta:set_string("item", "")
  84                 meta:set_string("itemdata", "")
  85                 meta:set_string("infotext", "")
  86         end
  87         remove_item_entity(pos, node)
  88 end
  89
  90 local on_rotate
  91 if minetest.get_modpath("screwdriver") then
  92         on_rotate = screwdriver.disallow
  93 end
  94
  95 minetest.register_node("mcl_itemframes:item_frame",{
  96         description = "Item Frame",
  97         _doc_items_longdesc = "Item frames are decorative blocks in which items can be placed.",
  98         _doc_items_usagehelp = "Hold any item in your hand and right-click the item frame to place the item into the frame. Rightclick the item frame again to retrieve the item.",
  99         drawtype = "mesh",
 100         is_ground_content = false,
 101         mesh = "mcl_itemframes_itemframe1facedir.obj",
 102         selection_box = { type = "fixed", fixed = {-6/16, -6/16, 7/16, 6/16, 6/16, 0.5} },
 103         collision_box = { type = "fixed", fixed = {-6/16, -6/16, 7/16, 6/16, 6/16, 0.5} },
 104         tiles = {"mcl_itemframes_itemframe_background.png", "mcl_itemframes_itemframe_background.png", "mcl_itemframes_itemframe_background.png", "mcl_itemframes_itemframe_background.png", "default_wood.png", "mcl_itemframes_itemframe_background.png"},
 105         inventory_image = "mcl_itemframes_item_frame.png",
 106         wield_image = "mcl_itemframes_item_frame.png",
 107         paramtype = "light",
 108         paramtype2 = "facedir",
 109         sunlight_propagates = true,
 110         groups = { dig_immediate=3,deco_block=1,dig_by_piston=1},
 111         sounds = mcl_sounds.node_sound_defaults(),
 112         on_rightclick = function(pos, node, clicker, itemstack)
 113                 if not itemstack then return end
 114                 local meta = minetest.get_meta(pos)
 115                 drop_item(pos, node, meta)
 116                 -- item holds the itemstring
 117                 meta:set_string("item", itemstack:get_name())
 118                 local put_itemstack = ItemStack(itemstack)
 119                 put_itemstack:set_count(1)
 120                 local itemdata = minetest.serialize(put_itemstack:to_table())
 121                 -- itemdata holds the serialized itemstack in table form
 122                 update_item_entity(pos,node)
 123                 -- Add node infotext when item has been named
 124                 meta:set_string("itemdata", itemdata)
 125                 local imeta = itemstack:get_meta()
 126                 local iname = imeta:get_string("name")
 127                 if iname then
 128                         meta:set_string("infotext", iname)
 129                 end
 130
 131                 if not minetest.settings:get_bool("creative_mode") then
 132                         itemstack:take_item()
 133                 end
 134                 return itemstack
 135         end,
 136         on_destruct = function(pos)
 137                 local meta = minetest.get_meta(pos)
 138                 local node = minetest.get_node(pos)
 139                 drop_item(pos, node, meta)
 140         end,
 141         on_rotate = on_rotate,
 142 })
 143
 144 minetest.register_craft({
 145         output = 'mcl_itemframes:item_frame',
 146         recipe = {
 147                 {'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
 148                 {'mcl_core:stick', 'mcl_mobitems:leather', 'mcl_core:stick'},
 149                 {'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
 150         }
 151 })
 152
 153 minetest.register_lbm({
 154         label = "Update legacy item frames",
 155         name = "mcl_itemframes:update_legacy_item_frames",
 156         nodenames = {"itemframes:frame"},
 157         action = function(pos, node)
 158                 -- Swap legacy node, then respawn entity
 159                 node.name = "mcl_itemframes:item_frame"
 160                 minetest.swap_node(pos, node)
 161                 update_item_entity(pos, node)
 162         end,
 163 })