builtin/game/item.lua

   1 -- Minetest: builtin/item.lua
   2
   3 local builtin_shared = ...
   4
   5 local function copy_pointed_thing(pointed_thing)
   6         return {
   7                 type  = pointed_thing.type,
   8                 above = vector.new(pointed_thing.above),
   9                 under = vector.new(pointed_thing.under),
  10                 ref   = pointed_thing.ref,
  11         }
  12 end
  13
  14 --
  15 -- Item definition helpers
  16 --
  17
  18 function core.inventorycube(img1, img2, img3)
  19         img2 = img2 or img1
  20         img3 = img3 or img1
  21         return "[inventorycube"
  22                         .. "{" .. img1:gsub("%^", "&")
  23                         .. "{" .. img2:gsub("%^", "&")
  24                         .. "{" .. img3:gsub("%^", "&")
  25 end
  26
  27 function core.get_pointed_thing_position(pointed_thing, above)
  28         if pointed_thing.type == "node" then
  29                 if above then
  30                         -- The position where a node would be placed
  31                         return pointed_thing.above
  32                 end
  33                 -- The position where a node would be dug
  34                 return pointed_thing.under
  35         elseif pointed_thing.type == "object" then
  36                 return pointed_thing.ref and pointed_thing.ref:get_pos()
  37         end
  38 end
  39
  40 function core.dir_to_facedir(dir, is6d)
  41         --account for y if requested
  42         if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
  43
  44                 --from above
  45                 if dir.y < 0 then
  46                         if math.abs(dir.x) > math.abs(dir.z) then
  47                                 if dir.x < 0 then
  48                                         return 19
  49                                 else
  50                                         return 13
  51                                 end
  52                         else
  53                                 if dir.z < 0 then
  54                                         return 10
  55                                 else
  56                                         return 4
  57                                 end
  58                         end
  59
  60                 --from below
  61                 else
  62                         if math.abs(dir.x) > math.abs(dir.z) then
  63                                 if dir.x < 0 then
  64                                         return 15
  65                                 else
  66                                         return 17
  67                                 end
  68                         else
  69                                 if dir.z < 0 then
  70                                         return 6
  71                                 else
  72                                         return 8
  73                                 end
  74                         end
  75                 end
  76
  77         --otherwise, place horizontally
  78         elseif math.abs(dir.x) > math.abs(dir.z) then
  79                 if dir.x < 0 then
  80                         return 3
  81                 else
  82                         return 1
  83                 end
  84         else
  85                 if dir.z < 0 then
  86                         return 2
  87                 else
  88                         return 0
  89                 end
  90         end
  91 end
  92
  93 -- Table of possible dirs
  94 local facedir_to_dir = {
  95         {x= 0, y=0,  z= 1},
  96         {x= 1, y=0,  z= 0},
  97         {x= 0, y=0,  z=-1},
  98         {x=-1, y=0,  z= 0},
  99         {x= 0, y=-1, z= 0},
 100         {x= 0, y=1,  z= 0},
 101 }
 102 -- Mapping from facedir value to index in facedir_to_dir.
 103 local facedir_to_dir_map = {
 104         [0]=1, 2, 3, 4,
 105         5, 2, 6, 4,
 106         6, 2, 5, 4,
 107         1, 5, 3, 6,
 108         1, 6, 3, 5,
 109         1, 4, 3, 2,
 110 }
 111 function core.facedir_to_dir(facedir)
 112         return facedir_to_dir[facedir_to_dir_map[facedir % 32]]
 113 end
 114
 115 function core.dir_to_wallmounted(dir)
 116         if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
 117                 if dir.y < 0 then
 118                         return 1
 119                 else
 120                         return 0
 121                 end
 122         elseif math.abs(dir.x) > math.abs(dir.z) then
 123                 if dir.x < 0 then
 124                         return 3
 125                 else
 126                         return 2
 127                 end
 128         else
 129                 if dir.z < 0 then
 130                         return 5
 131                 else
 132                         return 4
 133                 end
 134         end
 135 end
 136
 137 -- table of dirs in wallmounted order
 138 local wallmounted_to_dir = {
 139         [0] = {x = 0, y = 1, z = 0},
 140         {x =  0, y = -1, z =  0},
 141         {x =  1, y =  0, z =  0},
 142         {x = -1, y =  0, z =  0},
 143         {x =  0, y =  0, z =  1},
 144         {x =  0, y =  0, z = -1},
 145 }
 146 function core.wallmounted_to_dir(wallmounted)
 147         return wallmounted_to_dir[wallmounted % 8]
 148 end
 149
 150 function core.dir_to_yaw(dir)
 151         return -math.atan2(dir.x, dir.z)
 152 end
 153
 154 function core.yaw_to_dir(yaw)
 155         return {x = -math.sin(yaw), y = 0, z = math.cos(yaw)}
 156 end
 157
 158 function core.is_colored_paramtype(ptype)
 159         return (ptype == "color") or (ptype == "colorfacedir") or
 160                 (ptype == "colorwallmounted")
 161 end
 162
 163 function core.strip_param2_color(param2, paramtype2)
 164         if not core.is_colored_paramtype(paramtype2) then
 165                 return nil
 166         end
 167         if paramtype2 == "colorfacedir" then
 168                 param2 = math.floor(param2 / 32) * 32
 169         elseif paramtype2 == "colorwallmounted" then
 170                 param2 = math.floor(param2 / 8) * 8
 171         end
 172         -- paramtype2 == "color" requires no modification.
 173         return param2
 174 end
 175
 176 function core.get_node_drops(node, toolname)
 177         -- Compatibility, if node is string
 178         local nodename = node
 179         local param2 = 0
 180         -- New format, if node is table
 181         if (type(node) == "table") then
 182                 nodename = node.name
 183                 param2 = node.param2
 184         end
 185         local def = core.registered_nodes[nodename]
 186         local drop = def and def.drop
 187         local ptype = def and def.paramtype2
 188         -- get color, if there is color (otherwise nil)
 189         local palette_index = core.strip_param2_color(param2, ptype)
 190         if drop == nil then
 191                 -- default drop
 192                 if palette_index then
 193                         local stack = ItemStack(nodename)
 194                         stack:get_meta():set_int("palette_index", palette_index)
 195                         return {stack:to_string()}
 196                 end
 197                 return {nodename}
 198         elseif type(drop) == "string" then
 199                 -- itemstring drop
 200                 return drop ~= "" and {drop} or {}
 201         elseif drop.items == nil then
 202                 -- drop = {} to disable default drop
 203                 return {}
 204         end
 205
 206         -- Extended drop table
 207         local got_items = {}
 208         local got_count = 0
 209         for _, item in ipairs(drop.items) do
 210                 local good_rarity = true
 211                 local good_tool = true
 212                 if item.rarity ~= nil then
 213                         good_rarity = item.rarity < 1 or math.random(item.rarity) == 1
 214                 end
 215                 if item.tools ~= nil then
 216                         good_tool = false
 217                 end
 218                 if item.tools ~= nil and toolname then
 219                         for _, tool in ipairs(item.tools) do
 220                                 if tool:sub(1, 1) == '~' then
 221                                         good_tool = toolname:find(tool:sub(2)) ~= nil
 222                                 else
 223                                         good_tool = toolname == tool
 224                                 end
 225                                 if good_tool then
 226                                         break
 227                                 end
 228                         end
 229                 end
 230                 if good_rarity and good_tool then
 231                         got_count = got_count + 1
 232                         for _, add_item in ipairs(item.items) do
 233                                 -- add color, if necessary
 234                                 if item.inherit_color and palette_index then
 235                                         local stack = ItemStack(add_item)
 236                                         stack:get_meta():set_int("palette_index", palette_index)
 237                                         add_item = stack:to_string()
 238                                 end
 239                                 got_items[#got_items+1] = add_item
 240                         end
 241                         if drop.max_items ~= nil and got_count == drop.max_items then
 242                                 break
 243                         end
 244                 end
 245         end
 246         return got_items
 247 end
 248
 249 local function user_name(user)
 250         return user and user:get_player_name() or ""
 251 end
 252
 253 -- Returns a logging function. For empty names, does not log.
 254 local function make_log(name)
 255         return name ~= "" and core.log or function() end
 256 end
 257
 258 function core.item_place_node(itemstack, placer, pointed_thing, param2,
 259                 prevent_after_place)
 260         local def = itemstack:get_definition()
 261         if def.type ~= "node" or pointed_thing.type ~= "node" then
 262                 return itemstack, false
 263         end
 264
 265         local under = pointed_thing.under
 266         local oldnode_under = core.get_node_or_nil(under)
 267         local above = pointed_thing.above
 268         local oldnode_above = core.get_node_or_nil(above)
 269         local playername = user_name(placer)
 270         local log = make_log(playername)
 271
 272         if not oldnode_under or not oldnode_above then
 273                 log("info", playername .. " tried to place"
 274                         .. " node in unloaded position " .. core.pos_to_string(above))
 275                 return itemstack, false
 276         end
 277
 278         local olddef_under = core.registered_nodes[oldnode_under.name]
 279         olddef_under = olddef_under or core.nodedef_default
 280         local olddef_above = core.registered_nodes[oldnode_above.name]
 281         olddef_above = olddef_above or core.nodedef_default
 282
 283         if not olddef_above.buildable_to and not olddef_under.buildable_to then
 284                 log("info", playername .. " tried to place"
 285                         .. " node in invalid position " .. core.pos_to_string(above)
 286                         .. ", replacing " .. oldnode_above.name)
 287                 return itemstack, false
 288         end
 289
 290         -- Place above pointed node
 291         local place_to = {x = above.x, y = above.y, z = above.z}
 292
 293         -- If node under is buildable_to, place into it instead (eg. snow)
 294         if olddef_under.buildable_to then
 295                 log("info", "node under is buildable to")
 296                 place_to = {x = under.x, y = under.y, z = under.z}
 297         end
 298
 299         if core.is_protected(place_to, playername) then
 300                 log("action", playername
 301                                 .. " tried to place " .. def.name
 302                                 .. " at protected position "
 303                                 .. core.pos_to_string(place_to))
 304                 core.record_protection_violation(place_to, playername)
 305                 return itemstack
 306         end
 307
 308         log("action", playername .. " places node "
 309                 .. def.name .. " at " .. core.pos_to_string(place_to))
 310
 311         local oldnode = core.get_node(place_to)
 312         local newnode = {name = def.name, param1 = 0, param2 = param2 or 0}
 313
 314         -- Calculate direction for wall mounted stuff like torches and signs
 315         if def.place_param2 ~= nil then
 316                 newnode.param2 = def.place_param2
 317         elseif (def.paramtype2 == "wallmounted" or
 318                         def.paramtype2 == "colorwallmounted") and not param2 then
 319                 local dir = {
 320                         x = under.x - above.x,
 321                         y = under.y - above.y,
 322                         z = under.z - above.z
 323                 }
 324                 newnode.param2 = core.dir_to_wallmounted(dir)
 325         -- Calculate the direction for furnaces and chests and stuff
 326         elseif (def.paramtype2 == "facedir" or
 327                         def.paramtype2 == "colorfacedir") and not param2 then
 328                 local placer_pos = placer and placer:get_pos()
 329                 if placer_pos then
 330                         local dir = {
 331                                 x = above.x - placer_pos.x,
 332                                 y = above.y - placer_pos.y,
 333                                 z = above.z - placer_pos.z
 334                         }
 335                         newnode.param2 = core.dir_to_facedir(dir)
 336                         log("action", "facedir: " .. newnode.param2)
 337                 end
 338         end
 339
 340         local metatable = itemstack:get_meta():to_table().fields
 341
 342         -- Transfer color information
 343         if metatable.palette_index and not def.place_param2 then
 344                 local color_divisor = nil
 345                 if def.paramtype2 == "color" then
 346                         color_divisor = 1
 347                 elseif def.paramtype2 == "colorwallmounted" then
 348                         color_divisor = 8
 349                 elseif def.paramtype2 == "colorfacedir" then
 350                         color_divisor = 32
 351                 end
 352                 if color_divisor then
 353                         local color = math.floor(metatable.palette_index / color_divisor)
 354                         local other = newnode.param2 % color_divisor
 355                         newnode.param2 = color * color_divisor + other
 356                 end
 357         end
 358
 359         -- Check if the node is attached and if it can be placed there
 360         if core.get_item_group(def.name, "attached_node") ~= 0 and
 361                 not builtin_shared.check_attached_node(place_to, newnode) then
 362                 log("action", "attached node " .. def.name ..
 363                         " can not be placed at " .. core.pos_to_string(place_to))
 364                 return itemstack, false
 365         end
 366
 367         -- Add node and update
 368         core.add_node(place_to, newnode)
 369
 370         local take_item = true
 371
 372         -- Run callback
 373         if def.after_place_node and not prevent_after_place then
 374                 -- Deepcopy place_to and pointed_thing because callback can modify it
 375                 local place_to_copy = {x=place_to.x, y=place_to.y, z=place_to.z}
 376                 local pointed_thing_copy = copy_pointed_thing(pointed_thing)
 377                 if def.after_place_node(place_to_copy, placer, itemstack,
 378                                 pointed_thing_copy) then
 379                         take_item = false
 380                 end
 381         end
 382
 383         -- Run script hook
 384         for _, callback in ipairs(core.registered_on_placenodes) do
 385                 -- Deepcopy pos, node and pointed_thing because callback can modify them
 386                 local place_to_copy = {x=place_to.x, y=place_to.y, z=place_to.z}
 387                 local newnode_copy = {name=newnode.name, param1=newnode.param1, param2=newnode.param2}
 388                 local oldnode_copy = {name=oldnode.name, param1=oldnode.param1, param2=oldnode.param2}
 389                 local pointed_thing_copy = copy_pointed_thing(pointed_thing)
 390                 if callback(place_to_copy, newnode_copy, placer, oldnode_copy, itemstack, pointed_thing_copy) then
 391                         take_item = false
 392                 end
 393         end
 394
 395         if take_item then
 396                 itemstack:take_item()
 397         end
 398         return itemstack, true
 399 end
 400
 401 function core.item_place_object(itemstack, placer, pointed_thing)
 402         local pos = core.get_pointed_thing_position(pointed_thing, true)
 403         if pos ~= nil then
 404                 local item = itemstack:take_item()
 405                 core.add_item(pos, item)
 406         end
 407         return itemstack
 408 end
 409
 410 function core.item_place(itemstack, placer, pointed_thing, param2)
 411         -- Call on_rightclick if the pointed node defines it
 412         if pointed_thing.type == "node" and placer and
 413                         not placer:get_player_control().sneak then
 414                 local n = core.get_node(pointed_thing.under)
 415                 local nn = n.name
 416                 if core.registered_nodes[nn] and core.registered_nodes[nn].on_rightclick then
 417                         return core.registered_nodes[nn].on_rightclick(pointed_thing.under, n,
 418                                         placer, itemstack, pointed_thing) or itemstack, false
 419                 end
 420         end
 421
 422         if itemstack:get_definition().type == "node" then
 423                 return core.item_place_node(itemstack, placer, pointed_thing, param2)
 424         end
 425         return itemstack
 426 end
 427
 428 function core.item_secondary_use(itemstack, placer)
 429         return itemstack
 430 end
 431
 432 function core.item_drop(itemstack, dropper, pos)
 433         local dropper_is_player = dropper and dropper:is_player()
 434         local p = table.copy(pos)
 435         local cnt = itemstack:get_count()
 436         if dropper_is_player then
 437                 p.y = p.y + 1.2
 438         end
 439         local item = itemstack:take_item(cnt)
 440         local obj = core.add_item(p, item)
 441         if obj then
 442                 if dropper_is_player then
 443                         local dir = dropper:get_look_dir()
 444                         dir.x = dir.x * 2.9
 445                         dir.y = dir.y * 2.9 + 2
 446                         dir.z = dir.z * 2.9
 447                         obj:set_velocity(dir)
 448                         obj:get_luaentity().dropped_by = dropper:get_player_name()
 449                 end
 450                 return itemstack
 451         end
 452         -- If we reach this, adding the object to the
 453         -- environment failed
 454 end
 455
 456 function core.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
 457         for _, callback in pairs(core.registered_on_item_eats) do
 458                 local result = callback(hp_change, replace_with_item, itemstack, user, pointed_thing)
 459                 if result then
 460                         return result
 461                 end
 462         end
 463         if itemstack:take_item() ~= nil then
 464                 user:set_hp(user:get_hp() + hp_change)
 465
 466                 local def = itemstack:get_definition()
 467                 if def and def.sound and def.sound.eat then
 468                         minetest.sound_play(def.sound.eat, { pos = user:get_pos(), max_hear_distance = 16 })
 469                 end
 470
 471                 if replace_with_item then
 472                         if itemstack:is_empty() then
 473                                 itemstack:add_item(replace_with_item)
 474                         else
 475                                 local inv = user:get_inventory()
 476                                 -- Check if inv is null, since non-players don't have one
 477                                 if inv and inv:room_for_item("main", {name=replace_with_item}) then
 478                                         inv:add_item("main", replace_with_item)
 479                                 else
 480                                         local pos = user:get_pos()
 481                                         pos.y = math.floor(pos.y + 0.5)
 482                                         core.add_item(pos, replace_with_item)
 483                                 end
 484                         end
 485                 end
 486         end
 487         return itemstack
 488 end
 489
 490 function core.item_eat(hp_change, replace_with_item)
 491         return function(itemstack, user, pointed_thing)  -- closure
 492                 if user then
 493                         return core.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed_thing)
 494                 end
 495         end
 496 end
 497
 498 function core.node_punch(pos, node, puncher, pointed_thing)
 499         -- Run script hook
 500         for _, callback in ipairs(core.registered_on_punchnodes) do
 501                 -- Copy pos and node because callback can modify them
 502                 local pos_copy = vector.new(pos)
 503                 local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
 504                 local pointed_thing_copy = pointed_thing and copy_pointed_thing(pointed_thing) or nil
 505                 callback(pos_copy, node_copy, puncher, pointed_thing_copy)
 506         end
 507 end
 508
 509 function core.handle_node_drops(pos, drops, digger)
 510         -- Add dropped items to object's inventory
 511         local inv = digger and digger:get_inventory()
 512         local give_item
 513         if inv then
 514                 give_item = function(item)
 515                         return inv:add_item("main", item)
 516                 end
 517         else
 518                 give_item = function(item)
 519                         -- itemstring to ItemStack for left:is_empty()
 520                         return ItemStack(item)
 521                 end
 522         end
 523
 524         for _, dropped_item in pairs(drops) do
 525                 local left = give_item(dropped_item)
 526                 if not left:is_empty() then
 527                         local p = {
 528                                 x = pos.x + math.random()/2-0.25,
 529                                 y = pos.y + math.random()/2-0.25,
 530                                 z = pos.z + math.random()/2-0.25,
 531                         }
 532                         core.add_item(p, left)
 533                 end
 534         end
 535 end
 536
 537 function core.node_dig(pos, node, digger)
 538         local diggername = user_name(digger)
 539         local log = make_log(diggername)
 540         local def = core.registered_nodes[node.name]
 541         if def and (not def.diggable or
 542                         (def.can_dig and not def.can_dig(pos, digger))) then
 543                 log("info", diggername .. " tried to dig "
 544                         .. node.name .. " which is not diggable "
 545                         .. core.pos_to_string(pos))
 546                 return
 547         end
 548
 549         if core.is_protected(pos, diggername) then
 550                 log("action", diggername
 551                                 .. " tried to dig " .. node.name
 552                                 .. " at protected position "
 553                                 .. core.pos_to_string(pos))
 554                 core.record_protection_violation(pos, diggername)
 555                 return
 556         end
 557
 558         log('action', diggername .. " digs "
 559                 .. node.name .. " at " .. core.pos_to_string(pos))
 560
 561         local wielded = digger and digger:get_wielded_item()
 562         local drops = core.get_node_drops(node, wielded and wielded:get_name())
 563
 564         if wielded then
 565                 local wdef = wielded:get_definition()
 566                 local tp = wielded:get_tool_capabilities()
 567                 local dp = core.get_dig_params(def and def.groups, tp)
 568                 if wdef and wdef.after_use then
 569                         wielded = wdef.after_use(wielded, digger, node, dp) or wielded
 570                 else
 571                         -- Wear out tool
 572                         if not core.settings:get_bool("creative_mode") then
 573                                 wielded:add_wear(dp.wear)
 574                                 if wielded:get_count() == 0 and wdef.sound and wdef.sound.breaks then
 575                                         core.sound_play(wdef.sound.breaks, {pos = pos, gain = 0.5})
 576                                 end
 577                         end
 578                 end
 579                 digger:set_wielded_item(wielded)
 580         end
 581
 582         -- Check to see if metadata should be preserved.
 583         if def and def.preserve_metadata then
 584                 local oldmeta = core.get_meta(pos):to_table().fields
 585                 -- Copy pos and node because the callback can modify them.
 586                 local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
 587                 local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
 588                 local drop_stacks = {}
 589                 for k, v in pairs(drops) do
 590                         drop_stacks[k] = ItemStack(v)
 591                 end
 592                 drops = drop_stacks
 593                 def.preserve_metadata(pos_copy, node_copy, oldmeta, drops)
 594         end
 595
 596         -- Handle drops
 597         core.handle_node_drops(pos, drops, digger)
 598
 599         local oldmetadata = nil
 600         if def and def.after_dig_node then
 601                 oldmetadata = core.get_meta(pos):to_table()
 602         end
 603
 604         -- Remove node and update
 605         core.remove_node(pos)
 606
 607         -- Run callback
 608         if def and def.after_dig_node then
 609                 -- Copy pos and node because callback can modify them
 610                 local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
 611                 local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
 612                 def.after_dig_node(pos_copy, node_copy, oldmetadata, digger)
 613         end
 614
 615         -- Run script hook
 616         for _, callback in ipairs(core.registered_on_dignodes) do
 617                 local origin = core.callback_origins[callback]
 618                 if origin then
 619                         core.set_last_run_mod(origin.mod)
 620                 end
 621
 622                 -- Copy pos and node because callback can modify them
 623                 local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
 624                 local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
 625                 callback(pos_copy, node_copy, digger)
 626         end
 627 end
 628
 629 function core.itemstring_with_palette(item, palette_index)
 630         local stack = ItemStack(item) -- convert to ItemStack
 631         stack:get_meta():set_int("palette_index", palette_index)
 632         return stack:to_string()
 633 end
 634
 635 function core.itemstring_with_color(item, colorstring)
 636         local stack = ItemStack(item) -- convert to ItemStack
 637         stack:get_meta():set_string("color", colorstring)
 638         return stack:to_string()
 639 end
 640
 641 -- This is used to allow mods to redefine core.item_place and so on
 642 -- NOTE: This is not the preferred way. Preferred way is to provide enough
 643 --       callbacks to not require redefining global functions. -celeron55
 644 local function redef_wrapper(table, name)
 645         return function(...)
 646                 return table[name](...)
 647         end
 648 end
 649
 650 --
 651 -- Item definition defaults
 652 --
 653
 654 core.nodedef_default = {
 655         -- Item properties
 656         type="node",
 657         -- name intentionally not defined here
 658         description = "",
 659         groups = {},
 660         inventory_image = "",
 661         wield_image = "",
 662         wield_scale = {x=1,y=1,z=1},
 663         stack_max = 99,
 664         usable = false,
 665         liquids_pointable = false,
 666         tool_capabilities = nil,
 667         node_placement_prediction = nil,
 668
 669         -- Interaction callbacks
 670         on_place = redef_wrapper(core, 'item_place'), -- core.item_place
 671         on_drop = redef_wrapper(core, 'item_drop'), -- core.item_drop
 672         on_use = nil,
 673         can_dig = nil,
 674
 675         on_punch = redef_wrapper(core, 'node_punch'), -- core.node_punch
 676         on_rightclick = nil,
 677         on_dig = redef_wrapper(core, 'node_dig'), -- core.node_dig
 678
 679         on_receive_fields = nil,
 680
 681         on_metadata_inventory_move = core.node_metadata_inventory_move_allow_all,
 682         on_metadata_inventory_offer = core.node_metadata_inventory_offer_allow_all,
 683         on_metadata_inventory_take = core.node_metadata_inventory_take_allow_all,
 684
 685         -- Node properties
 686         drawtype = "normal",
 687         visual_scale = 1.0,
 688         -- Don't define these because otherwise the old tile_images and
 689         -- special_materials wouldn't be read
 690         --tiles ={""},
 691         --special_tiles = {
 692         --      {name="", backface_culling=true},
 693         --      {name="", backface_culling=true},
 694         --},
 695         alpha = 255,
 696         post_effect_color = {a=0, r=0, g=0, b=0},
 697         paramtype = "none",
 698         paramtype2 = "none",
 699         is_ground_content = true,
 700         sunlight_propagates = false,
 701         walkable = true,
 702         pointable = true,
 703         diggable = true,
 704         climbable = false,
 705         buildable_to = false,
 706         floodable = false,
 707         liquidtype = "none",
 708         liquid_alternative_flowing = "",
 709         liquid_alternative_source = "",
 710         liquid_viscosity = 0,
 711         drowning = 0,
 712         light_source = 0,
 713         damage_per_second = 0,
 714         selection_box = {type="regular"},
 715         legacy_facedir_simple = false,
 716         legacy_wallmounted = false,
 717 }
 718
 719 core.craftitemdef_default = {
 720         type="craft",
 721         -- name intentionally not defined here
 722         description = "",
 723         groups = {},
 724         inventory_image = "",
 725         wield_image = "",
 726         wield_scale = {x=1,y=1,z=1},
 727         stack_max = 99,
 728         liquids_pointable = false,
 729         tool_capabilities = nil,
 730
 731         -- Interaction callbacks
 732         on_place = redef_wrapper(core, 'item_place'), -- core.item_place
 733         on_drop = redef_wrapper(core, 'item_drop'), -- core.item_drop
 734         on_secondary_use = redef_wrapper(core, 'item_secondary_use'),
 735         on_use = nil,
 736 }
 737
 738 core.tooldef_default = {
 739         type="tool",
 740         -- name intentionally not defined here
 741         description = "",
 742         groups = {},
 743         inventory_image = "",
 744         wield_image = "",
 745         wield_scale = {x=1,y=1,z=1},
 746         stack_max = 1,
 747         liquids_pointable = false,
 748         tool_capabilities = nil,
 749
 750         -- Interaction callbacks
 751         on_place = redef_wrapper(core, 'item_place'), -- core.item_place
 752         on_secondary_use = redef_wrapper(core, 'item_secondary_use'),
 753         on_drop = redef_wrapper(core, 'item_drop'), -- core.item_drop
 754         on_use = nil,
 755 }
 756
 757 core.noneitemdef_default = {  -- This is used for the hand and unknown items
 758         type="none",
 759         -- name intentionally not defined here
 760         description = "",
 761         groups = {},
 762         inventory_image = "",
 763         wield_image = "",
 764         wield_scale = {x=1,y=1,z=1},
 765         stack_max = 99,
 766         liquids_pointable = false,
 767         tool_capabilities = nil,
 768
 769         -- Interaction callbacks
 770         on_place = redef_wrapper(core, 'item_place'),
 771         on_secondary_use = redef_wrapper(core, 'item_secondary_use'),
 772         on_drop = nil,
 773         on_use = nil,
 774 }