diff options
Diffstat (limited to 'share/builtin.lua')
| -rw-r--r-- | share/builtin.lua | 804 |
1 files changed, 0 insertions, 804 deletions
diff --git a/share/builtin.lua b/share/builtin.lua deleted file mode 100644 index 9b2bed33f..000000000 --- a/share/builtin.lua +++ /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 |