mods/ITEMS/mcl_itemframes/init.lua

   1 local tmp = {}
   2
   3 minetest.register_entity("mcl_itemframes:item",{
   4         hp_max = 1,
   5         visual="wielditem",
   6         visual_size={x=0.3,y=0.3},
   7         collisionbox = {0,0,0,0,0,0},
   8         physical=false,
   9         textures={"air"},
  10         on_activate = function(self, staticdata)
  11                 if tmp.nodename ~= nil and tmp.texture ~= nil then
  12                         self.nodename = tmp.nodename
  13                         tmp.nodename = nil
  14                         self.texture = tmp.texture
  15                         tmp.texture = nil
  16                 else
  17                         if staticdata ~= nil 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                 end
  25                 if self.texture ~= nil then
  26                         self.object:set_properties({textures={self.texture}})
  27                 end
  28         end,
  29         get_staticdata = function(self)
  30                 if self.nodename ~= nil and self.texture ~= nil then
  31                         return self.nodename .. ';' .. self.texture
  32                 end
  33                 return ""
  34         end,
  35 })
  36
  37
  38 local facedir = {}
  39 facedir[0] = {x=0,y=0,z=1}
  40 facedir[1] = {x=1,y=0,z=0}
  41 facedir[2] = {x=0,y=0,z=-1}
  42 facedir[3] = {x=-1,y=0,z=0}
  43
  44 local remove_item = function(pos, node)
  45         local objs = nil
  46         if node.name == "mcl_itemframes:item_frame" then
  47                 objs = minetest.get_objects_inside_radius(pos, .5)
  48         end
  49         if objs then
  50                 for _, obj in ipairs(objs) do
  51                         if obj and obj:get_luaentity() and obj:get_luaentity().name == "mcl_itemframes:item" then
  52                                 obj:remove()
  53                         end
  54                 end
  55         end
  56 end
  57
  58 local update_item = function(pos, node)
  59         remove_item(pos, node)
  60         local meta = minetest.get_meta(pos)
  61         if meta:get_string("item") ~= "" then
  62                 if node.name == "mcl_itemframes:item_frame" then
  63                         local posad = facedir[node.param2]
  64                         pos.x = pos.x + posad.x*6.5/16
  65                         pos.y = pos.y + posad.y*6.5/16
  66                         pos.z = pos.z + posad.z*6.5/16
  67                 end
  68                 tmp.nodename = node.name
  69                 tmp.texture = ItemStack(meta:get_string("item")):get_name()
  70                 local e = minetest.add_entity(pos,"mcl_itemframes:item")
  71                 if node.name == "mcl_itemframes:item_frame" then
  72                         local yaw = math.pi*2 - node.param2 * math.pi/2
  73                         e:setyaw(yaw)
  74                 end
  75         end
  76 end
  77
  78 local drop_item = function(pos, node, meta)
  79         if meta:get_string("item") ~= "" then
  80                 if node.name == "mcl_itemframes:item_frame" and not minetest.settings:get_bool("creative_mode") then
  81                         local item = ItemStack(minetest.deserialize(meta:get_string("itemdata")))
  82                         minetest.add_item(pos, item)
  83                 end
  84                 meta:set_string("item","")
  85                 meta:set_string("itemdata","")
  86         end
  87         remove_item(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                 meta:set_string("itemdata", itemdata)
 123                 update_item(pos,node)
 124                 if not minetest.settings:get_bool("creative_mode") then
 125                         itemstack:take_item()
 126                 end
 127                 return itemstack
 128         end,
 129         on_destruct = function(pos)
 130                 local meta = minetest.get_meta(pos)
 131                 local node = minetest.get_node(pos)
 132                 drop_item(pos, node, meta)
 133         end,
 134         on_rotate = on_rotate,
 135 })
 136
 137 minetest.register_craft({
 138         output = 'mcl_itemframes:item_frame',
 139         recipe = {
 140                 {'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
 141                 {'mcl_core:stick', 'mcl_mobitems:leather', 'mcl_core:stick'},
 142                 {'mcl_core:stick', 'mcl_core:stick', 'mcl_core:stick'},
 143         }
 144 })
 145
 146 minetest.register_lbm({
 147         label = "Update legacy item frames",
 148         name = "mcl_itemframes:update_legacy_item_frames",
 149         nodenames = {"itemframes:frame"},
 150         action = function(pos, node)
 151                 -- Swap legacy node, then respawn entity
 152                 node.name = "mcl_itemframes:item_frame"
 153                 minetest.swap_node(pos, node)
 154                 update_item(pos, node)
 155         end,
 156 })