Move share/builtin.lua to share/builtin/builtin.lua
authorPerttu Ahola <celeron55@gmail.com>
Mon, 19 Mar 2012 19:37:27 +0000 (21:37 +0200)
committerPerttu Ahola <celeron55@gmail.com>
Mon, 19 Mar 2012 19:37:27 +0000 (21:37 +0200)
share/builtin.lua [deleted file]
share/builtin/builtin.lua [new file with mode: 0644]
src/server.cpp

diff --git a/share/builtin.lua b/share/builtin.lua
deleted file mode 100644 (file)
index 9b2bed3..0000000
+++ /dev/null
@@ -1,804 +0,0 @@
---
--- This file contains built-in stuff in Minetest implemented in Lua.
---
--- It is always loaded and executed after registration of the C API,
--- before loading and running any mods.
---
-
---
--- Override some Lua library functions
---
-
-print = minetest.debug
-
---
---
---
-
-function basic_dump2(o)
-       if type(o) == "number" then
-               return tostring(o)
-       elseif type(o) == "string" then
-               return string.format("%q", o)
-       elseif type(o) == "boolean" then
-               return tostring(o)
-       elseif type(o) == "function" then
-               return "<function>"
-       elseif type(o) == "userdata" then
-               return "<userdata>"
-       elseif type(o) == "nil" then
-               return "nil"
-       else
-               error("cannot dump a " .. type(o))
-               return nil
-       end
-end
-
-function dump2(o, name, dumped)
-       name = name or "_"
-       dumped = dumped or {}
-       io.write(name, " = ")
-       if type(o) == "number" or type(o) == "string" or type(o) == "boolean"
-                       or type(o) == "function" or type(o) == "nil"
-                       or type(o) == "userdata" then
-               io.write(basic_dump2(o), "\n")
-       elseif type(o) == "table" then
-               if dumped[o] then
-                       io.write(dumped[o], "\n")
-               else
-                       dumped[o] = name
-                       io.write("{}\n") -- new table
-                       for k,v in pairs(o) do
-                               local fieldname = string.format("%s[%s]", name, basic_dump2(k))
-                               dump2(v, fieldname, dumped)
-                       end
-               end
-       else
-               error("cannot dump a " .. type(o))
-               return nil
-       end
-end
-
-function dump(o, dumped)
-       dumped = dumped or {}
-       if type(o) == "number" then
-               return tostring(o)
-       elseif type(o) == "string" then
-               return string.format("%q", o)
-       elseif type(o) == "table" then
-               if dumped[o] then
-                       return "<circular reference>"
-               end
-               dumped[o] = true
-               local t = {}
-               for k,v in pairs(o) do
-                       t[#t+1] = "" .. k .. " = " .. dump(v, dumped)
-               end
-               return "{" .. table.concat(t, ", ") .. "}"
-       elseif type(o) == "boolean" then
-               return tostring(o)
-       elseif type(o) == "function" then
-               return "<function>"
-       elseif type(o) == "userdata" then
-               return "<userdata>"
-       elseif type(o) == "nil" then
-               return "nil"
-       else
-               error("cannot dump a " .. type(o))
-               return nil
-       end
-end
-
---
--- Item definition helpers
---
-
-function minetest.inventorycube(img1, img2, img3)
-       img2 = img2 or img1
-       img3 = img3 or img1
-       return "[inventorycube"
-                       .. "{" .. img1:gsub("%^", "&")
-                       .. "{" .. img2:gsub("%^", "&")
-                       .. "{" .. img3:gsub("%^", "&")
-end
-
-function minetest.pos_to_string(pos)
-       return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
-end
-
-function minetest.get_pointed_thing_position(pointed_thing, above)
-       if pointed_thing.type == "node" then
-               if above then
-                       -- The position where a node would be placed
-                       return pointed_thing.above
-               else
-                       -- The position where a node would be dug
-                       return pointed_thing.under
-               end
-       elseif pointed_thing.type == "object" then
-               obj = pointed_thing.ref
-               if obj ~= nil then
-                       return obj:getpos()
-               else
-                       return nil
-               end
-       else
-               return nil
-       end
-end
-
-function minetest.dir_to_facedir(dir)
-       if math.abs(dir.x) > math.abs(dir.z) then
-               if dir.x < 0 then
-                       return 3
-               else
-                       return 1
-               end
-       else
-               if dir.z < 0 then
-                       return 2
-               else
-                       return 0
-               end
-       end
-end
-
-function minetest.dir_to_wallmounted(dir)
-       if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
-               if dir.y < 0 then
-                       return 1
-               else
-                       return 0
-               end
-       elseif math.abs(dir.x) > math.abs(dir.z) then
-               if dir.x < 0 then
-                       return 3
-               else
-                       return 2
-               end
-       else
-               if dir.z < 0 then
-                       return 5
-               else
-                       return 4
-               end
-       end
-end
-
-function minetest.get_node_drops(nodename, toolname)
-       local drop = ItemStack({name=nodename}):get_definition().drop
-       if drop == nil then
-               -- default drop
-               return {ItemStack({name=nodename})}
-       elseif type(drop) == "string" then
-               -- itemstring drop
-               return {ItemStack(drop)}
-       elseif drop.items == nil then
-               -- drop = {} to disable default drop
-               return {}
-       end
-
-       -- Extended drop table
-       local got_items = {}
-       local got_count = 0
-       local _, item, tool
-       for _, item in ipairs(drop.items) do
-               local good_rarity = true
-               local good_tool = true
-               if item.rarity ~= nil then
-                       good_rarity = item.rarity < 1 or math.random(item.rarity) == 1
-               end
-               if item.tools ~= nil then
-                       good_tool = false
-                       for _, tool in ipairs(item.tools) do
-                               if tool:sub(1, 1) == '~' then
-                                       good_tool = toolname:find(tool:sub(2)) ~= nil
-                               else
-                                       good_tool = toolname == tool
-                               end
-                               if good_tool then
-                                       break
-                               end
-                       end
-               end
-               if good_rarity and good_tool then
-                       got_count = got_count + 1
-                       for _, add_item in ipairs(item.items) do
-                               got_items[#got_items+1] = add_item
-                       end
-                       if drop.max_items ~= nil and got_count == drop.max_items then
-                               break
-                       end
-               end
-       end
-       return got_items
-end
-
-function minetest.item_place_node(itemstack, placer, pointed_thing)
-       local item = itemstack:peek_item()
-       local def = itemstack:get_definition()
-       if def.type == "node" and pointed_thing.type == "node" then
-               local pos = pointed_thing.above
-               local oldnode = minetest.env:get_node(pos)
-               local olddef = ItemStack({name=oldnode.name}):get_definition()
-
-               if not olddef.buildable_to then
-                       minetest.log("info", placer:get_player_name() .. " tried to place"
-                               .. " node in invalid position " .. minetest.pos_to_string(pos)
-                               .. ", replacing " .. oldnode.name)
-                       return
-               end
-
-               minetest.log("action", placer:get_player_name() .. " places node "
-                       .. def.name .. " at " .. minetest.pos_to_string(pos))
-
-               local newnode = {name = def.name, param1 = 0, param2 = 0}
-
-               -- Calculate direction for wall mounted stuff like torches and signs
-               if def.paramtype2 == 'wallmounted' then
-                       local under = pointed_thing.under
-                       local above = pointed_thing.above
-                       local dir = {x = under.x - above.x, y = under.y - above.y, z = under.z - above.z}
-                       newnode.param2 = minetest.dir_to_wallmounted(dir)
-               -- Calculate the direction for furnaces and chests and stuff
-               elseif def.paramtype2 == 'facedir' then
-                       local playerpos = placer:getpos()
-                       local dir = {x = pos.x - playerpos.x, y = pos.y - playerpos.y, z = pos.z - playerpos.z}
-                       newnode.param2 = minetest.dir_to_facedir(dir)
-                       minetest.log("action", "facedir: " .. newnode.param2)
-               end
-
-               -- Add node and update
-               minetest.env:add_node(pos, newnode)
-
-               -- Set metadata owner
-               if def.metadata_name ~= "" then
-                       minetest.env:get_meta(pos):set_owner(placer:get_player_name())
-               end
-
-               -- Run script hook
-               local _, callback
-               for _, callback in ipairs(minetest.registered_on_placenodes) do
-                       callback(pos, newnode, placer)
-               end
-
-               itemstack:take_item()
-       end
-       return itemstack
-end
-
-function minetest.item_place_object(itemstack, placer, pointed_thing)
-       local pos = minetest.get_pointed_thing_position(pointed_thing, true)
-       if pos ~= nil then
-               local item = itemstack:take_item()
-               minetest.env:add_item(pos, item)
-       end
-       return itemstack
-end
-
-function minetest.item_place(itemstack, placer, pointed_thing)
-       if itemstack:get_definition().type == "node" then
-               return minetest.item_place_node(itemstack, placer, pointed_thing)
-       else
-               return minetest.item_place_object(itemstack, placer, pointed_thing)
-       end
-end
-
-function minetest.item_drop(itemstack, dropper, pos)
-       minetest.env:add_item(pos, itemstack)
-       return ""
-end
-
-function minetest.item_eat(hp_change, replace_with_item)
-       return function(itemstack, user, pointed_thing)  -- closure
-               if itemstack:take_item() ~= nil then
-                       user:set_hp(user:get_hp() + hp_change)
-                       itemstack:add_item(replace_with_item) -- note: replace_with_item is optional
-               end
-               return itemstack
-       end
-end
-
-function minetest.node_punch(pos, node, puncher)
-       -- Run script hook
-       local _, callback
-       for _, callback in ipairs(minetest.registered_on_punchnodes) do
-               callback(pos, node, puncher)
-       end
-
-end
-
-function minetest.node_dig(pos, node, digger)
-       minetest.debug("node_dig")
-
-       local def = ItemStack({name=node.name}):get_definition()
-       if not def.diggable then
-               minetest.debug("not diggable")
-               minetest.log("info", digger:get_player_name() .. " tried to dig "
-                       .. node.name .. " which is not diggable "
-                       .. minetest.pos_to_string(pos))
-               return
-       end
-
-       local meta = minetest.env:get_meta(pos)
-       if meta ~= nil and not meta:get_allow_removal() then
-               minetest.debug("dig prevented by metadata")
-               minetest.log("info", digger:get_player_name() .. " tried to dig "
-                       .. node.name .. ", but removal is disabled by metadata "
-                       .. minetest.pos_to_string(pos))
-               return
-       end
-
-       minetest.log('action', digger:get_player_name() .. " digs "
-               .. node.name .. " at " .. minetest.pos_to_string(pos))
-
-       if not minetest.setting_getbool("creative_mode") then
-               local wielded = digger:get_wielded_item()
-               local drops = minetest.get_node_drops(node.name, wielded:get_name())
-
-               -- Wear out tool
-               tp = wielded:get_tool_capabilities()
-               dp = minetest.get_dig_params(def.groups, tp)
-               wielded:add_wear(dp.wear)
-               digger:set_wielded_item(wielded)
-
-               -- Add dropped items
-               local _, dropped_item
-               for _, dropped_item in ipairs(drops) do
-                       digger:get_inventory():add_item("main", dropped_item)
-               end
-       end
-
-       -- Remove node and update
-       minetest.env:remove_node(pos)
-
-       -- Run script hook
-       local _, callback
-       for _, callback in ipairs(minetest.registered_on_dignodes) do
-               callback(pos, node, digger)
-       end
-end
-
---
--- Item definition defaults
---
-
-minetest.nodedef_default = {
-       -- Item properties
-       type="node",
-       -- name intentionally not defined here
-       description = "",
-       groups = {},
-       inventory_image = "",
-       wield_image = "",
-       wield_scale = {x=1,y=1,z=1},
-       stack_max = 99,
-       usable = false,
-       liquids_pointable = false,
-       tool_capabilities = nil,
-
-       -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
-       on_use = nil,
-
-       on_punch = minetest.node_punch,
-       on_dig = minetest.node_dig,
-
-       -- Node properties
-       drawtype = "normal",
-       visual_scale = 1.0,
-       tile_images = {""},
-       special_materials = {
-               {image="", backface_culling=true},
-               {image="", backface_culling=true},
-       },
-       alpha = 255,
-       post_effect_color = {a=0, r=0, g=0, b=0},
-       paramtype = "none",
-       paramtype2 = "none",
-       is_ground_content = false,
-       sunlight_propagates = false,
-       walkable = true,
-       pointable = true,
-       diggable = true,
-       climbable = false,
-       buildable_to = false,
-       metadata_name = "",
-       liquidtype = "none",
-       liquid_alternative_flowing = "",
-       liquid_alternative_source = "",
-       liquid_viscosity = 0,
-       light_source = 0,
-       damage_per_second = 0,
-       selection_box = {type="regular"},
-       legacy_facedir_simple = false,
-       legacy_wallmounted = false,
-}
-
-minetest.craftitemdef_default = {
-       type="craft",
-       -- name intentionally not defined here
-       description = "",
-       groups = {},
-       inventory_image = "",
-       wield_image = "",
-       wield_scale = {x=1,y=1,z=1},
-       stack_max = 99,
-       liquids_pointable = false,
-       tool_capabilities = nil,
-
-       -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
-       on_use = nil,
-}
-
-minetest.tooldef_default = {
-       type="tool",
-       -- name intentionally not defined here
-       description = "",
-       groups = {},
-       inventory_image = "",
-       wield_image = "",
-       wield_scale = {x=1,y=1,z=1},
-       stack_max = 1,
-       liquids_pointable = false,
-       tool_capabilities = nil,
-
-       -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
-       on_use = nil,
-}
-
-minetest.noneitemdef_default = {  -- This is used for the hand and unknown items
-       type="none",
-       -- name intentionally not defined here
-       description = "",
-       groups = {},
-       inventory_image = "",
-       wield_image = "",
-       wield_scale = {x=1,y=1,z=1},
-       stack_max = 99,
-       liquids_pointable = false,
-       tool_capabilities = nil,
-
-       -- Interaction callbacks
-       on_place = nil,
-       on_drop = nil,
-       on_use = nil,
-}
-
---
--- Make raw registration functions inaccessible to anyone except builtin.lua
---
-
-local register_item_raw = minetest.register_item_raw
-minetest.register_item_raw = nil
-
-local register_alias_raw = minetest.register_alias_raw
-minetest.register_item_raw = nil
-
---
--- Item / entity / ABM registration functions
---
-
-minetest.registered_abms = {}
-minetest.registered_entities = {}
-minetest.registered_items = {}
-minetest.registered_nodes = {}
-minetest.registered_craftitems = {}
-minetest.registered_tools = {}
-minetest.registered_aliases = {}
-
--- For tables that are indexed by item name:
--- If table[X] does not exist, default to table[minetest.registered_aliases[X]]
-local function set_alias_metatable(table)
-       setmetatable(table, {
-               __index = function(name)
-                       return rawget(table, minetest.registered_aliases[name])
-               end
-       })
-end
-set_alias_metatable(minetest.registered_items)
-set_alias_metatable(minetest.registered_nodes)
-set_alias_metatable(minetest.registered_craftitems)
-set_alias_metatable(minetest.registered_tools)
-
--- These item names may not be used because they would interfere
--- with legacy itemstrings
-local forbidden_item_names = {
-       MaterialItem = true,
-       MaterialItem2 = true,
-       MaterialItem3 = true,
-       NodeItem = true,
-       node = true,
-       CraftItem = true,
-       craft = true,
-       MBOItem = true,
-       ToolItem = true,
-       tool = true,
-}
-
-local function check_modname_prefix(name)
-       if name:sub(1,1) == ":" then
-               -- Escape the modname prefix enforcement mechanism
-               return name:sub(2)
-       else
-               -- Modname prefix enforcement
-               local expected_prefix = minetest.get_current_modname() .. ":"
-               if name:sub(1, #expected_prefix) ~= expected_prefix then
-                       error("Name " .. name .. " does not follow naming conventions: " ..
-                               "\"modname:\" or \":\" prefix required")
-               end
-               local subname = name:sub(#expected_prefix+1)
-               if subname:find("[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]") then
-                       error("Name " .. name .. " does not follow naming conventions: " ..
-                               "contains unallowed characters")
-               end
-               return name
-       end
-end
-
-function minetest.register_abm(spec)
-       -- Add to minetest.registered_abms
-       minetest.registered_abms[#minetest.registered_abms+1] = spec
-end
-
-function minetest.register_entity(name, prototype)
-       -- Check name
-       if name == nil then
-               error("Unable to register entity: Name is nil")
-       end
-       name = check_modname_prefix(tostring(name))
-
-       prototype.name = name
-       prototype.__index = prototype  -- so that it can be used as a metatable
-
-       -- Add to minetest.registered_entities
-       minetest.registered_entities[name] = prototype
-end
-
-function minetest.register_item(name, itemdef)
-       -- Check name
-       if name == nil then
-               error("Unable to register item: Name is nil")
-       end
-       name = check_modname_prefix(tostring(name))
-       if forbidden_item_names[name] then
-               error("Unable to register item: Name is forbidden: " .. name)
-       end
-       itemdef.name = name
-
-       -- Apply defaults and add to registered_* table
-       if itemdef.type == "node" then
-               setmetatable(itemdef, {__index = minetest.nodedef_default})
-               minetest.registered_nodes[itemdef.name] = itemdef
-       elseif itemdef.type == "craft" then
-               setmetatable(itemdef, {__index = minetest.craftitemdef_default})
-               minetest.registered_craftitems[itemdef.name] = itemdef
-       elseif itemdef.type == "tool" then
-               setmetatable(itemdef, {__index = minetest.tooldef_default})
-               minetest.registered_tools[itemdef.name] = itemdef
-       elseif itemdef.type == "none" then
-               setmetatable(itemdef, {__index = minetest.noneitemdef_default})
-       else
-               error("Unable to register item: Type is invalid: " .. dump(itemdef))
-       end
-
-       -- Flowing liquid uses param2
-       if itemdef.type == "node" and itemdef.liquidtype == "flowing" then
-               itemdef.paramtype2 = "flowingliquid"
-       end
-
-       -- BEGIN Legacy stuff
-       if itemdef.cookresult_itemstring ~= nil and itemdef.cookresult_itemstring ~= "" then
-               minetest.register_craft({
-                       type="cooking",
-                       output=itemdef.cookresult_itemstring,
-                       recipe=itemdef.name,
-                       cooktime=itemdef.furnace_cooktime
-               })
-       end
-       if itemdef.furnace_burntime ~= nil and itemdef.furnace_burntime >= 0 then
-               minetest.register_craft({
-                       type="fuel",
-                       recipe=itemdef.name,
-                       burntime=itemdef.furnace_burntime
-               })
-       end
-       -- END Legacy stuff
-
-       -- Disable all further modifications
-       getmetatable(itemdef).__newindex = {}
-
-       --minetest.log("Registering item: " .. itemdef.name)
-       minetest.registered_items[itemdef.name] = itemdef
-       minetest.registered_aliases[itemdef.name] = nil
-       register_item_raw(itemdef)
-end
-
-function minetest.register_node(name, nodedef)
-       nodedef.type = "node"
-       minetest.register_item(name, nodedef)
-end
-
-function minetest.register_craftitem(name, craftitemdef)
-       craftitemdef.type = "craft"
-
-       -- BEGIN Legacy stuff
-       if craftitemdef.inventory_image == nil and craftitemdef.image ~= nil then
-               craftitemdef.inventory_image = craftitemdef.image
-       end
-       -- END Legacy stuff
-
-       minetest.register_item(name, craftitemdef)
-end
-
-function minetest.register_tool(name, tooldef)
-       tooldef.type = "tool"
-       tooldef.stack_max = 1
-
-       -- BEGIN Legacy stuff
-       if tooldef.inventory_image == nil and tooldef.image ~= nil then
-               tooldef.inventory_image = tooldef.image
-       end
-       if tooldef.tool_capabilities == nil and
-          (tooldef.full_punch_interval ~= nil or
-           tooldef.basetime ~= nil or
-           tooldef.dt_weight ~= nil or
-           tooldef.dt_crackiness ~= nil or
-           tooldef.dt_crumbliness ~= nil or
-           tooldef.dt_cuttability ~= nil or
-           tooldef.basedurability ~= nil or
-           tooldef.dd_weight ~= nil or
-           tooldef.dd_crackiness ~= nil or
-           tooldef.dd_crumbliness ~= nil or
-           tooldef.dd_cuttability ~= nil) then
-               tooldef.tool_capabilities = {
-                       full_punch_interval = tooldef.full_punch_interval,
-                       basetime = tooldef.basetime,
-                       dt_weight = tooldef.dt_weight,
-                       dt_crackiness = tooldef.dt_crackiness,
-                       dt_crumbliness = tooldef.dt_crumbliness,
-                       dt_cuttability = tooldef.dt_cuttability,
-                       basedurability = tooldef.basedurability,
-                       dd_weight = tooldef.dd_weight,
-                       dd_crackiness = tooldef.dd_crackiness,
-                       dd_crumbliness = tooldef.dd_crumbliness,
-                       dd_cuttability = tooldef.dd_cuttability,
-               }
-       end
-       -- END Legacy stuff
-
-       minetest.register_item(name, tooldef)
-end
-
-function minetest.register_alias(name, convert_to)
-       if forbidden_item_names[name] then
-               error("Unable to register alias: Name is forbidden: " .. name)
-       end
-       if minetest.registered_items[name] ~= nil then
-               minetest.log("WARNING: Not registering alias, item with same name" ..
-                       " is already defined: " .. name .. " -> " .. convert_to)
-       else
-               --minetest.log("Registering alias: " .. name .. " -> " .. convert_to)
-               minetest.registered_aliases[name] = convert_to
-               register_alias_raw(name, convert_to)
-       end
-end
-
--- Alias the forbidden item names to "" so they can't be
--- created via itemstrings (e.g. /give)
-local name
-for name in pairs(forbidden_item_names) do
-       minetest.registered_aliases[name] = ""
-       register_alias_raw(name, "")
-end
-
-
--- Deprecated:
--- Aliases for minetest.register_alias (how ironic...)
---minetest.alias_node = minetest.register_alias
---minetest.alias_tool = minetest.register_alias
---minetest.alias_craftitem = minetest.register_alias
-
---
--- Built-in node definitions. Also defined in C.
---
-
-minetest.register_item(":unknown", {
-       type = "none",
-       description = "Unknown Item",
-       inventory_image = "unknown_item.png",
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
-})
-
-minetest.register_node(":air", {
-       description = "Air (you hacker you!)",
-       inventory_image = "unknown_block.png",
-       wield_image = "unknown_block.png",
-       drawtype = "airlike",
-       paramtype = "light",
-       sunlight_propagates = true,
-       walkable = false,
-       pointable = false,
-       diggable = false,
-       buildable_to = true,
-       air_equivalent = true,
-})
-
-minetest.register_node(":ignore", {
-       description = "Ignore (you hacker you!)",
-       inventory_image = "unknown_block.png",
-       wield_image = "unknown_block.png",
-       drawtype = "airlike",
-       paramtype = "none",
-       sunlight_propagates = false,
-       walkable = false,
-       pointable = false,
-       diggable = false,
-       buildable_to = true, -- A way to remove accidentally placed ignores
-       air_equivalent = true,
-})
-
--- The hand (bare definition)
-minetest.register_item(":", {
-       type = "none",
-})
-
---
--- Default material types
---
-function digprop_err()
-       minetest.log("info", debug.traceback())
-       minetest.log("info", "WARNING: The minetest.digprop_* functions are obsolete and need to be replaced by item groups.")
-end
-
-minetest.digprop_constanttime = digprop_err
-minetest.digprop_stonelike = digprop_err
-minetest.digprop_dirtlike = digprop_err
-minetest.digprop_gravellike = digprop_err
-minetest.digprop_woodlike = digprop_err
-minetest.digprop_leaveslike = digprop_err
-minetest.digprop_glasslike = digprop_err
-
---
--- Creative inventory
---
-
-minetest.creative_inventory = {}
-
-minetest.add_to_creative_inventory = function(itemstring)
-       table.insert(minetest.creative_inventory, itemstring)
-end
-
---
--- Callback registration
---
-
-local function make_registration()
-       local t = {}
-       local registerfunc = function(func) table.insert(t, func) end
-       return t, registerfunc
-end
-
-minetest.registered_on_chat_messages, minetest.register_on_chat_message = make_registration()
-minetest.registered_globalsteps, minetest.register_globalstep = make_registration()
-minetest.registered_on_placenodes, minetest.register_on_placenode = make_registration()
-minetest.registered_on_dignodes, minetest.register_on_dignode = make_registration()
-minetest.registered_on_punchnodes, minetest.register_on_punchnode = make_registration()
-minetest.registered_on_generateds, minetest.register_on_generated = make_registration()
-minetest.registered_on_newplayers, minetest.register_on_newplayer = make_registration()
-minetest.registered_on_dieplayers, minetest.register_on_dieplayer = make_registration()
-minetest.registered_on_respawnplayers, minetest.register_on_respawnplayer = make_registration()
-
---
--- Set random seed
---
-
-math.randomseed(os.time())
-
--- END
diff --git a/share/builtin/builtin.lua b/share/builtin/builtin.lua
new file mode 100644 (file)
index 0000000..9b2bed3
--- /dev/null
@@ -0,0 +1,804 @@
+--
+-- This file contains built-in stuff in Minetest implemented in Lua.
+--
+-- It is always loaded and executed after registration of the C API,
+-- before loading and running any mods.
+--
+
+--
+-- Override some Lua library functions
+--
+
+print = minetest.debug
+
+--
+--
+--
+
+function basic_dump2(o)
+       if type(o) == "number" then
+               return tostring(o)
+       elseif type(o) == "string" then
+               return string.format("%q", o)
+       elseif type(o) == "boolean" then
+               return tostring(o)
+       elseif type(o) == "function" then
+               return "<function>"
+       elseif type(o) == "userdata" then
+               return "<userdata>"
+       elseif type(o) == "nil" then
+               return "nil"
+       else
+               error("cannot dump a " .. type(o))
+               return nil
+       end
+end
+
+function dump2(o, name, dumped)
+       name = name or "_"
+       dumped = dumped or {}
+       io.write(name, " = ")
+       if type(o) == "number" or type(o) == "string" or type(o) == "boolean"
+                       or type(o) == "function" or type(o) == "nil"
+                       or type(o) == "userdata" then
+               io.write(basic_dump2(o), "\n")
+       elseif type(o) == "table" then
+               if dumped[o] then
+                       io.write(dumped[o], "\n")
+               else
+                       dumped[o] = name
+                       io.write("{}\n") -- new table
+                       for k,v in pairs(o) do
+                               local fieldname = string.format("%s[%s]", name, basic_dump2(k))
+                               dump2(v, fieldname, dumped)
+                       end
+               end
+       else
+               error("cannot dump a " .. type(o))
+               return nil
+       end
+end
+
+function dump(o, dumped)
+       dumped = dumped or {}
+       if type(o) == "number" then
+               return tostring(o)
+       elseif type(o) == "string" then
+               return string.format("%q", o)
+       elseif type(o) == "table" then
+               if dumped[o] then
+                       return "<circular reference>"
+               end
+               dumped[o] = true
+               local t = {}
+               for k,v in pairs(o) do
+                       t[#t+1] = "" .. k .. " = " .. dump(v, dumped)
+               end
+               return "{" .. table.concat(t, ", ") .. "}"
+       elseif type(o) == "boolean" then
+               return tostring(o)
+       elseif type(o) == "function" then
+               return "<function>"
+       elseif type(o) == "userdata" then
+               return "<userdata>"
+       elseif type(o) == "nil" then
+               return "nil"
+       else
+               error("cannot dump a " .. type(o))
+               return nil
+       end
+end
+
+--
+-- Item definition helpers
+--
+
+function minetest.inventorycube(img1, img2, img3)
+       img2 = img2 or img1
+       img3 = img3 or img1
+       return "[inventorycube"
+                       .. "{" .. img1:gsub("%^", "&")
+                       .. "{" .. img2:gsub("%^", "&")
+                       .. "{" .. img3:gsub("%^", "&")
+end
+
+function minetest.pos_to_string(pos)
+       return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
+end
+
+function minetest.get_pointed_thing_position(pointed_thing, above)
+       if pointed_thing.type == "node" then
+               if above then
+                       -- The position where a node would be placed
+                       return pointed_thing.above
+               else
+                       -- The position where a node would be dug
+                       return pointed_thing.under
+               end
+       elseif pointed_thing.type == "object" then
+               obj = pointed_thing.ref
+               if obj ~= nil then
+                       return obj:getpos()
+               else
+                       return nil
+               end
+       else
+               return nil
+       end
+end
+
+function minetest.dir_to_facedir(dir)
+       if math.abs(dir.x) > math.abs(dir.z) then
+               if dir.x < 0 then
+                       return 3
+               else
+                       return 1
+               end
+       else
+               if dir.z < 0 then
+                       return 2
+               else
+                       return 0
+               end
+       end
+end
+
+function minetest.dir_to_wallmounted(dir)
+       if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
+               if dir.y < 0 then
+                       return 1
+               else
+                       return 0
+               end
+       elseif math.abs(dir.x) > math.abs(dir.z) then
+               if dir.x < 0 then
+                       return 3
+               else
+                       return 2
+               end
+       else
+               if dir.z < 0 then
+                       return 5
+               else
+                       return 4
+               end
+       end
+end
+
+function minetest.get_node_drops(nodename, toolname)
+       local drop = ItemStack({name=nodename}):get_definition().drop
+       if drop == nil then
+               -- default drop
+               return {ItemStack({name=nodename})}
+       elseif type(drop) == "string" then
+               -- itemstring drop
+               return {ItemStack(drop)}
+       elseif drop.items == nil then
+               -- drop = {} to disable default drop
+               return {}
+       end
+
+       -- Extended drop table
+       local got_items = {}
+       local got_count = 0
+       local _, item, tool
+       for _, item in ipairs(drop.items) do
+               local good_rarity = true
+               local good_tool = true
+               if item.rarity ~= nil then
+                       good_rarity = item.rarity < 1 or math.random(item.rarity) == 1
+               end
+               if item.tools ~= nil then
+                       good_tool = false
+                       for _, tool in ipairs(item.tools) do
+                               if tool:sub(1, 1) == '~' then
+                                       good_tool = toolname:find(tool:sub(2)) ~= nil
+                               else
+                                       good_tool = toolname == tool
+                               end
+                               if good_tool then
+                                       break
+                               end
+                       end
+               end
+               if good_rarity and good_tool then
+                       got_count = got_count + 1
+                       for _, add_item in ipairs(item.items) do
+                               got_items[#got_items+1] = add_item
+                       end
+                       if drop.max_items ~= nil and got_count == drop.max_items then
+                               break
+                       end
+               end
+       end
+       return got_items
+end
+
+function minetest.item_place_node(itemstack, placer, pointed_thing)
+       local item = itemstack:peek_item()
+       local def = itemstack:get_definition()
+       if def.type == "node" and pointed_thing.type == "node" then
+               local pos = pointed_thing.above
+               local oldnode = minetest.env:get_node(pos)
+               local olddef = ItemStack({name=oldnode.name}):get_definition()
+
+               if not olddef.buildable_to then
+                       minetest.log("info", placer:get_player_name() .. " tried to place"
+                               .. " node in invalid position " .. minetest.pos_to_string(pos)
+                               .. ", replacing " .. oldnode.name)
+                       return
+               end
+
+               minetest.log("action", placer:get_player_name() .. " places node "
+                       .. def.name .. " at " .. minetest.pos_to_string(pos))
+
+               local newnode = {name = def.name, param1 = 0, param2 = 0}
+
+               -- Calculate direction for wall mounted stuff like torches and signs
+               if def.paramtype2 == 'wallmounted' then
+                       local under = pointed_thing.under
+                       local above = pointed_thing.above
+                       local dir = {x = under.x - above.x, y = under.y - above.y, z = under.z - above.z}
+                       newnode.param2 = minetest.dir_to_wallmounted(dir)
+               -- Calculate the direction for furnaces and chests and stuff
+               elseif def.paramtype2 == 'facedir' then
+                       local playerpos = placer:getpos()
+                       local dir = {x = pos.x - playerpos.x, y = pos.y - playerpos.y, z = pos.z - playerpos.z}
+                       newnode.param2 = minetest.dir_to_facedir(dir)
+                       minetest.log("action", "facedir: " .. newnode.param2)
+               end
+
+               -- Add node and update
+               minetest.env:add_node(pos, newnode)
+
+               -- Set metadata owner
+               if def.metadata_name ~= "" then
+                       minetest.env:get_meta(pos):set_owner(placer:get_player_name())
+               end
+
+               -- Run script hook
+               local _, callback
+               for _, callback in ipairs(minetest.registered_on_placenodes) do
+                       callback(pos, newnode, placer)
+               end
+
+               itemstack:take_item()
+       end
+       return itemstack
+end
+
+function minetest.item_place_object(itemstack, placer, pointed_thing)
+       local pos = minetest.get_pointed_thing_position(pointed_thing, true)
+       if pos ~= nil then
+               local item = itemstack:take_item()
+               minetest.env:add_item(pos, item)
+       end
+       return itemstack
+end
+
+function minetest.item_place(itemstack, placer, pointed_thing)
+       if itemstack:get_definition().type == "node" then
+               return minetest.item_place_node(itemstack, placer, pointed_thing)
+       else
+               return minetest.item_place_object(itemstack, placer, pointed_thing)
+       end
+end
+
+function minetest.item_drop(itemstack, dropper, pos)
+       minetest.env:add_item(pos, itemstack)
+       return ""
+end
+
+function minetest.item_eat(hp_change, replace_with_item)
+       return function(itemstack, user, pointed_thing)  -- closure
+               if itemstack:take_item() ~= nil then
+                       user:set_hp(user:get_hp() + hp_change)
+                       itemstack:add_item(replace_with_item) -- note: replace_with_item is optional
+               end
+               return itemstack
+       end
+end
+
+function minetest.node_punch(pos, node, puncher)
+       -- Run script hook
+       local _, callback
+       for _, callback in ipairs(minetest.registered_on_punchnodes) do
+               callback(pos, node, puncher)
+       end
+
+end
+
+function minetest.node_dig(pos, node, digger)
+       minetest.debug("node_dig")
+
+       local def = ItemStack({name=node.name}):get_definition()
+       if not def.diggable then
+               minetest.debug("not diggable")
+               minetest.log("info", digger:get_player_name() .. " tried to dig "
+                       .. node.name .. " which is not diggable "
+                       .. minetest.pos_to_string(pos))
+               return
+       end
+
+       local meta = minetest.env:get_meta(pos)
+       if meta ~= nil and not meta:get_allow_removal() then
+               minetest.debug("dig prevented by metadata")
+               minetest.log("info", digger:get_player_name() .. " tried to dig "
+                       .. node.name .. ", but removal is disabled by metadata "
+                       .. minetest.pos_to_string(pos))
+               return
+       end
+
+       minetest.log('action', digger:get_player_name() .. " digs "
+               .. node.name .. " at " .. minetest.pos_to_string(pos))
+
+       if not minetest.setting_getbool("creative_mode") then
+               local wielded = digger:get_wielded_item()
+               local drops = minetest.get_node_drops(node.name, wielded:get_name())
+
+               -- Wear out tool
+               tp = wielded:get_tool_capabilities()
+               dp = minetest.get_dig_params(def.groups, tp)
+               wielded:add_wear(dp.wear)
+               digger:set_wielded_item(wielded)
+
+               -- Add dropped items
+               local _, dropped_item
+               for _, dropped_item in ipairs(drops) do
+                       digger:get_inventory():add_item("main", dropped_item)
+               end
+       end
+
+       -- Remove node and update
+       minetest.env:remove_node(pos)
+
+       -- Run script hook
+       local _, callback
+       for _, callback in ipairs(minetest.registered_on_dignodes) do
+               callback(pos, node, digger)
+       end
+end
+
+--
+-- Item definition defaults
+--
+
+minetest.nodedef_default = {
+       -- Item properties
+       type="node",
+       -- name intentionally not defined here
+       description = "",
+       groups = {},
+       inventory_image = "",
+       wield_image = "",
+       wield_scale = {x=1,y=1,z=1},
+       stack_max = 99,
+       usable = false,
+       liquids_pointable = false,
+       tool_capabilities = nil,
+
+       -- Interaction callbacks
+       on_place = minetest.item_place,
+       on_drop = minetest.item_drop,
+       on_use = nil,
+
+       on_punch = minetest.node_punch,
+       on_dig = minetest.node_dig,
+
+       -- Node properties
+       drawtype = "normal",
+       visual_scale = 1.0,
+       tile_images = {""},
+       special_materials = {
+               {image="", backface_culling=true},
+               {image="", backface_culling=true},
+       },
+       alpha = 255,
+       post_effect_color = {a=0, r=0, g=0, b=0},
+       paramtype = "none",
+       paramtype2 = "none",
+       is_ground_content = false,
+       sunlight_propagates = false,
+       walkable = true,
+       pointable = true,
+       diggable = true,
+       climbable = false,
+       buildable_to = false,
+       metadata_name = "",
+       liquidtype = "none",
+       liquid_alternative_flowing = "",
+       liquid_alternative_source = "",
+       liquid_viscosity = 0,
+       light_source = 0,
+       damage_per_second = 0,
+       selection_box = {type="regular"},
+       legacy_facedir_simple = false,
+       legacy_wallmounted = false,
+}
+
+minetest.craftitemdef_default = {
+       type="craft",
+       -- name intentionally not defined here
+       description = "",
+       groups = {},
+       inventory_image = "",
+       wield_image = "",
+       wield_scale = {x=1,y=1,z=1},
+       stack_max = 99,
+       liquids_pointable = false,
+       tool_capabilities = nil,
+
+       -- Interaction callbacks
+       on_place = minetest.item_place,
+       on_drop = minetest.item_drop,
+       on_use = nil,
+}
+
+minetest.tooldef_default = {
+       type="tool",
+       -- name intentionally not defined here
+       description = "",
+       groups = {},
+       inventory_image = "",
+       wield_image = "",
+       wield_scale = {x=1,y=1,z=1},
+       stack_max = 1,
+       liquids_pointable = false,
+       tool_capabilities = nil,
+
+       -- Interaction callbacks
+       on_place = minetest.item_place,
+       on_drop = minetest.item_drop,
+       on_use = nil,
+}
+
+minetest.noneitemdef_default = {  -- This is used for the hand and unknown items
+       type="none",
+       -- name intentionally not defined here
+       description = "",
+       groups = {},
+       inventory_image = "",
+       wield_image = "",
+       wield_scale = {x=1,y=1,z=1},
+       stack_max = 99,
+       liquids_pointable = false,
+       tool_capabilities = nil,
+
+       -- Interaction callbacks
+       on_place = nil,
+       on_drop = nil,
+       on_use = nil,
+}
+
+--
+-- Make raw registration functions inaccessible to anyone except builtin.lua
+--
+
+local register_item_raw = minetest.register_item_raw
+minetest.register_item_raw = nil
+
+local register_alias_raw = minetest.register_alias_raw
+minetest.register_item_raw = nil
+
+--
+-- Item / entity / ABM registration functions
+--
+
+minetest.registered_abms = {}
+minetest.registered_entities = {}
+minetest.registered_items = {}
+minetest.registered_nodes = {}
+minetest.registered_craftitems = {}
+minetest.registered_tools = {}
+minetest.registered_aliases = {}
+
+-- For tables that are indexed by item name:
+-- If table[X] does not exist, default to table[minetest.registered_aliases[X]]
+local function set_alias_metatable(table)
+       setmetatable(table, {
+               __index = function(name)
+                       return rawget(table, minetest.registered_aliases[name])
+               end
+       })
+end
+set_alias_metatable(minetest.registered_items)
+set_alias_metatable(minetest.registered_nodes)
+set_alias_metatable(minetest.registered_craftitems)
+set_alias_metatable(minetest.registered_tools)
+
+-- These item names may not be used because they would interfere
+-- with legacy itemstrings
+local forbidden_item_names = {
+       MaterialItem = true,
+       MaterialItem2 = true,
+       MaterialItem3 = true,
+       NodeItem = true,
+       node = true,
+       CraftItem = true,
+       craft = true,
+       MBOItem = true,
+       ToolItem = true,
+       tool = true,
+}
+
+local function check_modname_prefix(name)
+       if name:sub(1,1) == ":" then
+               -- Escape the modname prefix enforcement mechanism
+               return name:sub(2)
+       else
+               -- Modname prefix enforcement
+               local expected_prefix = minetest.get_current_modname() .. ":"
+               if name:sub(1, #expected_prefix) ~= expected_prefix then
+                       error("Name " .. name .. " does not follow naming conventions: " ..
+                               "\"modname:\" or \":\" prefix required")
+               end
+               local subname = name:sub(#expected_prefix+1)
+               if subname:find("[^abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]") then
+                       error("Name " .. name .. " does not follow naming conventions: " ..
+                               "contains unallowed characters")
+               end
+               return name
+       end
+end
+
+function minetest.register_abm(spec)
+       -- Add to minetest.registered_abms
+       minetest.registered_abms[#minetest.registered_abms+1] = spec
+end
+
+function minetest.register_entity(name, prototype)
+       -- Check name
+       if name == nil then
+               error("Unable to register entity: Name is nil")
+       end
+       name = check_modname_prefix(tostring(name))
+
+       prototype.name = name
+       prototype.__index = prototype  -- so that it can be used as a metatable
+
+       -- Add to minetest.registered_entities
+       minetest.registered_entities[name] = prototype
+end
+
+function minetest.register_item(name, itemdef)
+       -- Check name
+       if name == nil then
+               error("Unable to register item: Name is nil")
+       end
+       name = check_modname_prefix(tostring(name))
+       if forbidden_item_names[name] then
+               error("Unable to register item: Name is forbidden: " .. name)
+       end
+       itemdef.name = name
+
+       -- Apply defaults and add to registered_* table
+       if itemdef.type == "node" then
+               setmetatable(itemdef, {__index = minetest.nodedef_default})
+               minetest.registered_nodes[itemdef.name] = itemdef
+       elseif itemdef.type == "craft" then
+               setmetatable(itemdef, {__index = minetest.craftitemdef_default})
+               minetest.registered_craftitems[itemdef.name] = itemdef
+       elseif itemdef.type == "tool" then
+               setmetatable(itemdef, {__index = minetest.tooldef_default})
+               minetest.registered_tools[itemdef.name] = itemdef
+       elseif itemdef.type == "none" then
+               setmetatable(itemdef, {__index = minetest.noneitemdef_default})
+       else
+               error("Unable to register item: Type is invalid: " .. dump(itemdef))
+       end
+
+       -- Flowing liquid uses param2
+       if itemdef.type == "node" and itemdef.liquidtype == "flowing" then
+               itemdef.paramtype2 = "flowingliquid"
+       end
+
+       -- BEGIN Legacy stuff
+       if itemdef.cookresult_itemstring ~= nil and itemdef.cookresult_itemstring ~= "" then
+               minetest.register_craft({
+                       type="cooking",
+                       output=itemdef.cookresult_itemstring,
+                       recipe=itemdef.name,
+                       cooktime=itemdef.furnace_cooktime
+               })
+       end
+       if itemdef.furnace_burntime ~= nil and itemdef.furnace_burntime >= 0 then
+               minetest.register_craft({
+                       type="fuel",
+                       recipe=itemdef.name,
+                       burntime=itemdef.furnace_burntime
+               })
+       end
+       -- END Legacy stuff
+
+       -- Disable all further modifications
+       getmetatable(itemdef).__newindex = {}
+
+       --minetest.log("Registering item: " .. itemdef.name)
+       minetest.registered_items[itemdef.name] = itemdef
+       minetest.registered_aliases[itemdef.name] = nil
+       register_item_raw(itemdef)
+end
+
+function minetest.register_node(name, nodedef)
+       nodedef.type = "node"
+       minetest.register_item(name, nodedef)
+end
+
+function minetest.register_craftitem(name, craftitemdef)
+       craftitemdef.type = "craft"
+
+       -- BEGIN Legacy stuff
+       if craftitemdef.inventory_image == nil and craftitemdef.image ~= nil then
+               craftitemdef.inventory_image = craftitemdef.image
+       end
+       -- END Legacy stuff
+
+       minetest.register_item(name, craftitemdef)
+end
+
+function minetest.register_tool(name, tooldef)
+       tooldef.type = "tool"
+       tooldef.stack_max = 1
+
+       -- BEGIN Legacy stuff
+       if tooldef.inventory_image == nil and tooldef.image ~= nil then
+               tooldef.inventory_image = tooldef.image
+       end
+       if tooldef.tool_capabilities == nil and
+          (tooldef.full_punch_interval ~= nil or
+           tooldef.basetime ~= nil or
+           tooldef.dt_weight ~= nil or
+           tooldef.dt_crackiness ~= nil or
+           tooldef.dt_crumbliness ~= nil or
+           tooldef.dt_cuttability ~= nil or
+           tooldef.basedurability ~= nil or
+           tooldef.dd_weight ~= nil or
+           tooldef.dd_crackiness ~= nil or
+           tooldef.dd_crumbliness ~= nil or
+           tooldef.dd_cuttability ~= nil) then
+               tooldef.tool_capabilities = {
+                       full_punch_interval = tooldef.full_punch_interval,
+                       basetime = tooldef.basetime,
+                       dt_weight = tooldef.dt_weight,
+                       dt_crackiness = tooldef.dt_crackiness,
+                       dt_crumbliness = tooldef.dt_crumbliness,
+                       dt_cuttability = tooldef.dt_cuttability,
+                       basedurability = tooldef.basedurability,
+                       dd_weight = tooldef.dd_weight,
+                       dd_crackiness = tooldef.dd_crackiness,
+                       dd_crumbliness = tooldef.dd_crumbliness,
+                       dd_cuttability = tooldef.dd_cuttability,
+               }
+       end
+       -- END Legacy stuff
+
+       minetest.register_item(name, tooldef)
+end
+
+function minetest.register_alias(name, convert_to)
+       if forbidden_item_names[name] then
+               error("Unable to register alias: Name is forbidden: " .. name)
+       end
+       if minetest.registered_items[name] ~= nil then
+               minetest.log("WARNING: Not registering alias, item with same name" ..
+                       " is already defined: " .. name .. " -> " .. convert_to)
+       else
+               --minetest.log("Registering alias: " .. name .. " -> " .. convert_to)
+               minetest.registered_aliases[name] = convert_to
+               register_alias_raw(name, convert_to)
+       end
+end
+
+-- Alias the forbidden item names to "" so they can't be
+-- created via itemstrings (e.g. /give)
+local name
+for name in pairs(forbidden_item_names) do
+       minetest.registered_aliases[name] = ""
+       register_alias_raw(name, "")
+end
+
+
+-- Deprecated:
+-- Aliases for minetest.register_alias (how ironic...)
+--minetest.alias_node = minetest.register_alias
+--minetest.alias_tool = minetest.register_alias
+--minetest.alias_craftitem = minetest.register_alias
+
+--
+-- Built-in node definitions. Also defined in C.
+--
+
+minetest.register_item(":unknown", {
+       type = "none",
+       description = "Unknown Item",
+       inventory_image = "unknown_item.png",
+       on_place = minetest.item_place,
+       on_drop = minetest.item_drop,
+})
+
+minetest.register_node(":air", {
+       description = "Air (you hacker you!)",
+       inventory_image = "unknown_block.png",
+       wield_image = "unknown_block.png",
+       drawtype = "airlike",
+       paramtype = "light",
+       sunlight_propagates = true,
+       walkable = false,
+       pointable = false,
+       diggable = false,
+       buildable_to = true,
+       air_equivalent = true,
+})
+
+minetest.register_node(":ignore", {
+       description = "Ignore (you hacker you!)",
+       inventory_image = "unknown_block.png",
+       wield_image = "unknown_block.png",
+       drawtype = "airlike",
+       paramtype = "none",
+       sunlight_propagates = false,
+       walkable = false,
+       pointable = false,
+       diggable = false,
+       buildable_to = true, -- A way to remove accidentally placed ignores
+       air_equivalent = true,
+})
+
+-- The hand (bare definition)
+minetest.register_item(":", {
+       type = "none",
+})
+
+--
+-- Default material types
+--
+function digprop_err()
+       minetest.log("info", debug.traceback())
+       minetest.log("info", "WARNING: The minetest.digprop_* functions are obsolete and need to be replaced by item groups.")
+end
+
+minetest.digprop_constanttime = digprop_err
+minetest.digprop_stonelike = digprop_err
+minetest.digprop_dirtlike = digprop_err
+minetest.digprop_gravellike = digprop_err
+minetest.digprop_woodlike = digprop_err
+minetest.digprop_leaveslike = digprop_err
+minetest.digprop_glasslike = digprop_err
+
+--
+-- Creative inventory
+--
+
+minetest.creative_inventory = {}
+
+minetest.add_to_creative_inventory = function(itemstring)
+       table.insert(minetest.creative_inventory, itemstring)
+end
+
+--
+-- Callback registration
+--
+
+local function make_registration()
+       local t = {}
+       local registerfunc = function(func) table.insert(t, func) end
+       return t, registerfunc
+end
+
+minetest.registered_on_chat_messages, minetest.register_on_chat_message = make_registration()
+minetest.registered_globalsteps, minetest.register_globalstep = make_registration()
+minetest.registered_on_placenodes, minetest.register_on_placenode = make_registration()
+minetest.registered_on_dignodes, minetest.register_on_dignode = make_registration()
+minetest.registered_on_punchnodes, minetest.register_on_punchnode = make_registration()
+minetest.registered_on_generateds, minetest.register_on_generated = make_registration()
+minetest.registered_on_newplayers, minetest.register_on_newplayer = make_registration()
+minetest.registered_on_dieplayers, minetest.register_on_dieplayer = make_registration()
+minetest.registered_on_respawnplayers, minetest.register_on_respawnplayer = make_registration()
+
+--
+-- Set random seed
+--
+
+math.randomseed(os.time())
+
+-- END
index 1060426b3ab50aa202ab8d5d30b99f505d8179e7..b95d047139575605c2c6d36e878bbdc22eadb579 100644 (file)
@@ -890,7 +890,8 @@ Server::Server(
                infostream<<"- addons: "<<(*i)<<std::endl;
 
        // Path to builtin.lua
-       std::string builtinpath = porting::path_share + DIR_DELIM + "builtin.lua";
+       std::string builtinpath = porting::path_share + DIR_DELIM + "builtin"
+                       + DIR_DELIM + "builtin.lua";
 
        // Add default global mod search path
        m_modspaths.push_front(m_gamespec.path + DIR_DELIM "mods");