-
---
--- Define some random basic things
---
-
-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
-
-function string:split(sep)
- local sep, fields = sep or ",", {}
- local pattern = string.format("([^%s]+)", sep)
- self:gsub(pattern, function(c) fields[#fields+1] = c end)
- return fields
-end
-
-function string:trim()
- return (self:gsub("^%s*(.-)%s*$", "%1"))
-end
-
-assert(string.trim("\n \t\tfoo bar\t ") == "foo bar")
-
-function minetest.pos_to_string(pos)
- return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
-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.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()
-minetest.registered_on_joinplayers, minetest.register_on_joinplayer = make_registration()
-minetest.registered_on_leaveplayers, minetest.register_on_leaveplayer = make_registration()
-
---
--- Misc. API functions
---
-
-minetest.timers_to_add = {}
-minetest.timers = {}
-minetest.register_globalstep(function(dtime)
- for _, timer in ipairs(minetest.timers_to_add) do
- table.insert(minetest.timers, timer)
- end
- minetest.timers_to_add = {}
- for index, timer in ipairs(minetest.timers) do
- timer.time = timer.time - dtime
- if timer.time <= 0 then
- timer.func(timer.param)
- table.remove(minetest.timers,index)
- end
- end
-end)
-
-function minetest.after(time, func, param)
- table.insert(minetest.timers_to_add, {time=time, func=func, param=param})
-end
-
-function minetest.check_player_privs(name, privs)
- local player_privs = minetest.get_player_privs(name)
- local missing_privileges = {}
- for priv, val in pairs(privs) do
- if val then
- if not player_privs[priv] then
- table.insert(missing_privileges, priv)
- end
- end
- end
- if #missing_privileges > 0 then
- return false, missing_privileges
- end
- return true, ""
-end
-
-function minetest.get_connected_players()
- -- This could be optimized a bit, but leave that for later
- local list = {}
- for _, obj in pairs(minetest.env:get_objects_inside_radius({x=0,y=0,z=0}, 1000000)) do
- if obj:get_player_name() then
- table.insert(list, obj)
- end
- end
- return list
-end
-
-function minetest.hash_node_position(pos)
- return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
-end
-
---
--- Privileges
---
-
-minetest.registered_privileges = {}
-
-function minetest.register_privilege(name, param)
- local function fill_defaults(def)
- if def.give_to_singleplayer == nil then
- def.give_to_singleplayer = true
- end
- if def.description == nil then
- def.description = "(no description)"
- end
- end
- local def = {}
- if type(param) == "table" then
- def = param
- else
- def = {description = param}
- end
- fill_defaults(def)
- minetest.registered_privileges[name] = def
-end
-
-minetest.register_privilege("interact", "Can interact with things and modify the world")
-minetest.register_privilege("teleport", "Can use /teleport command")
-minetest.register_privilege("bring", "Can teleport other players")
-minetest.register_privilege("settime", "Can use /time")
-minetest.register_privilege("privs", "Can modify privileges")
-minetest.register_privilege("server", "Can do server maintenance stuff")
-minetest.register_privilege("shout", "Can speak in chat")
-minetest.register_privilege("ban", "Can ban and unban players")
-minetest.register_privilege("give", "Can use /give and /giveme")
-minetest.register_privilege("password", "Can use /setpassword and /clearpassword")
-minetest.register_privilege("fly", {
- description = "Can fly using the free_move mode",
- give_to_singleplayer = false,
-})
-minetest.register_privilege("fast", {
- description = "Can walk fast using the fast_move mode",
- give_to_singleplayer = false,
-})
-
---
--- Chat commands
---
-
-minetest.chatcommands = {}
-function minetest.register_chatcommand(cmd, def)
- def = def or {}
- def.params = def.params or ""
- def.description = def.description or ""
- def.privs = def.privs or {}
- minetest.chatcommands[cmd] = def
-end
-
--- Register the help command
-minetest.register_chatcommand("help", {
- privs = {},
- params = "(nothing)/all/privs/<cmd>",
- description = "Get help for commands or list privileges",
- func = function(name, param)
- local format_help_line = function(cmd, def)
- local msg = "/"..cmd
- if def.params and def.params ~= "" then msg = msg .. " " .. def.params end
- if def.description and def.description ~= "" then msg = msg .. ": " .. def.description end
- return msg
- end
- if param == "" then
- local msg = ""
- cmds = {}
- for cmd, def in pairs(minetest.chatcommands) do
- if minetest.check_player_privs(name, def.privs) then
- table.insert(cmds, cmd)
- end
- end
- minetest.chat_send_player(name, "Available commands: "..table.concat(cmds, " "))
- minetest.chat_send_player(name, "Use '/help <cmd>' to get more information, or '/help all' to list everything.")
- elseif param == "all" then
- minetest.chat_send_player(name, "Available commands:")
- for cmd, def in pairs(minetest.chatcommands) do
- if minetest.check_player_privs(name, def.privs) then
- minetest.chat_send_player(name, format_help_line(cmd, def))
- end
- end
- elseif param == "privs" then
- minetest.chat_send_player(name, "Available privileges:")
- for priv, def in pairs(minetest.registered_privileges) do
- minetest.chat_send_player(name, priv..": "..def.description)
- end
- else
- local cmd = param
- def = minetest.chatcommands[cmd]
- if not def then
- minetest.chat_send_player(name, "Command not available: "..cmd)
- else
- minetest.chat_send_player(name, format_help_line(cmd, def))
- end
- end
- end,
-})
-
--- Register C++ commands without functions
-minetest.register_chatcommand("me", {params = nil, description = "chat action (eg. /me orders a pizza)"})
-minetest.register_chatcommand("status", {description = "print server status line"})
-minetest.register_chatcommand("shutdown", {params = "", description = "shutdown server", privs = {server=true}})
-minetest.register_chatcommand("setting", {params = "<name> = <value>", description = "set line in configuration file", privs = {server=true}})
-minetest.register_chatcommand("clearobjects", {params = "", description = "clear all objects in world", privs = {server=true}})
-minetest.register_chatcommand("time", {params = "<0...24000>", description = "set time of day", privs = {settime=true}})
-minetest.register_chatcommand("ban", {params = "<name>", description = "ban IP of player", privs = {ban=true}})
-minetest.register_chatcommand("unban", {params = "<name/ip>", description = "remove IP ban", privs = {ban=true}})
-
--- Register some other commands
-minetest.register_chatcommand("privs", {
- params = "<name>",
- description = "print out privileges of player",
- func = function(name, param)
- if param == "" then
- param = name
- else
- if not minetest.check_player_privs(name, {privs=true}) then
- minetest.chat_send_player(name, "Privileges of "..param.." are hidden from you.")
- end
- end
- minetest.chat_send_player(name, "Privileges of "..param..": "..minetest.privs_to_string(minetest.get_player_privs(param), ' '))
- end,
-})
-minetest.register_chatcommand("grant", {
- params = "<name> <privilege>|all",
- description = "Give privilege to player",
- privs = {privs=true},
- func = function(name, param)
- local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
- if not grantname or not grantprivstr then
- minetest.chat_send_player(name, "Invalid parameters (see /help grant)")
- return
- end
- local grantprivs = minetest.string_to_privs(grantprivstr)
- if grantprivstr == "all" then
- grantprivs = minetest.registered_privileges
- end
- local privs = minetest.get_player_privs(grantname)
- for priv, _ in pairs(grantprivs) do
- privs[priv] = true
- end
- minetest.set_player_privs(grantname, privs)
- minetest.chat_send_player(name, "Privileges of "..grantname..": "..minetest.privs_to_string(minetest.get_player_privs(grantname), ' '))
- if grantname ~= name then
- minetest.chat_send_player(grantname, name.." granted you privileges: "..minetest.privs_to_string(grantprivs, ' '))
- end
- end,
-})
-minetest.register_chatcommand("revoke", {
- params = "<name> <privilege>|all",
- description = "Remove privilege from player",
- privs = {privs=true},
- func = function(name, param)
- local revokename, revokeprivstr = string.match(param, "([^ ]+) (.+)")
- if not revokename or not revokeprivstr then
- minetest.chat_send_player(name, "Invalid parameters (see /help revoke)")
- return
- end
- local revokeprivs = minetest.string_to_privs(revokeprivstr)
- local privs = minetest.get_player_privs(revokename)
- if revokeprivstr == "all" then
- privs = {}
- else
- for priv, _ in pairs(revokeprivs) do
- privs[priv] = nil
- end
- end
- minetest.set_player_privs(revokename, privs)
- minetest.chat_send_player(name, "Privileges of "..revokename..": "..minetest.privs_to_string(minetest.get_player_privs(revokename), ' '))
- if revokename ~= name then
- minetest.chat_send_player(revokename, name.." revoked privileges from you: "..minetest.privs_to_string(revokeprivs, ' '))
- end
- end,
-})
-minetest.register_chatcommand("setpassword", {
- params = "<name> <password>",
- description = "set given password",
- privs = {password=true},
- func = function(name, param)
- if param == "" then
- minetest.chat_send_player(name, "Password field required")
- return
- end
- minetest.set_player_password(name, param)
- minetest.chat_send_player(name, "Password set")
- end,
-})
-minetest.register_chatcommand("clearpassword", {
- params = "<name>",
- description = "set empty password",
- privs = {password=true},
- func = function(name, param)
- minetest.set_player_password(name, '')
- minetest.chat_send_player(name, "Password cleared")
- end,
-})
-
-minetest.register_chatcommand("auth_reload", {
- params = "",
- description = "reload authentication data",
- privs = {server=true},
- func = function(name, param)
- local done = minetest.auth_reload()
- if done then
- minetest.chat_send_player(name, "Done.")
- else
- minetest.chat_send_player(name, "Failed.")
- end
- end,
-})
-
-minetest.register_chatcommand("teleport", {
- params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
- description = "teleport to given position",
- privs = {teleport=true},
- func = function(name, param)
- -- Returns (pos, true) if found, otherwise (pos, false)
- local function find_free_position_near(pos)
- local tries = {
- {x=1,y=0,z=0},
- {x=-1,y=0,z=0},
- {x=0,y=0,z=1},
- {x=0,y=0,z=-1},
- }
- for _, d in ipairs(tries) do
- local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
- local n = minetest.env:get_node(p)
- if not minetest.registered_nodes[n.name].walkable then
- return p, true
- end
- end
- return pos, false
- end
-
- local teleportee = nil
- local p = {}
- p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
- teleportee = minetest.env:get_player_by_name(name)
- if teleportee and p.x and p.y and p.z then
- minetest.chat_send_player(name, "Teleporting to ("..p.x..", "..p.y..", "..p.z..")")
- teleportee:setpos(p)
- return
- end
-
- local teleportee = nil
- local p = nil
- local target_name = nil
- target_name = string.match(param, "^([^ ]+)$")
- teleportee = minetest.env:get_player_by_name(name)
- if target_name then
- local target = minetest.env:get_player_by_name(target_name)
- if target then
- p = target:getpos()
- end
- end
- if teleportee and p then
- p = find_free_position_near(p)
- minetest.chat_send_player(name, "Teleporting to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
- teleportee:setpos(p)
- return
- end
-
- if minetest.check_player_privs(name, {bring=true}) then
- local teleportee = nil
- local p = {}
- local teleportee_name = nil
- teleportee_name, p.x, p.y, p.z = string.match(param, "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
- if teleportee_name then
- teleportee = minetest.env:get_player_by_name(teleportee_name)
- end
- if teleportee and p.x and p.y and p.z then
- minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to ("..p.x..", "..p.y..", "..p.z..")")
- teleportee:setpos(p)
- return
- end
-
- local teleportee = nil
- local p = nil
- local teleportee_name = nil
- local target_name = nil
- teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
- if teleportee_name then
- teleportee = minetest.env:get_player_by_name(teleportee_name)
- end
- if target_name then
- local target = minetest.env:get_player_by_name(target_name)
- if target then
- p = target:getpos()
- end
- end
- if teleportee and p then
- p = find_free_position_near(p)
- minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
- teleportee:setpos(p)
- return
- end
- end
-
- minetest.chat_send_player(name, "Invalid parameters (\""..param.."\") or player not found (see /help teleport)")
- return
- end,
-})
-
---
--- Builtin chat handler
---
-
-minetest.register_on_chat_message(function(name, message)
- local cmd, param = string.match(message, "/([^ ]+) *(.*)")
- if not param then
- param = ""
- end
- local cmd_def = minetest.chatcommands[cmd]
- if cmd_def then
- if not cmd_def.func then
- -- This is a C++ command
- return false
- else
- local has_privs, missing_privs = minetest.check_player_privs(name, cmd_def.privs)
- if has_privs then
- cmd_def.func(name, param)
- else
- minetest.chat_send_player(name, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
- end
- return true -- handled chat message
- end
- end
- return false
-end)
-
---
--- Authentication handler
---
-
-function minetest.string_to_privs(str, delim)
- assert(type(str) == "string")
- delim = delim or ','
- privs = {}
- for _, priv in pairs(string.split(str, delim)) do
- privs[priv:trim()] = true
- end
- return privs
-end
-
-function minetest.privs_to_string(privs, delim)
- assert(type(privs) == "table")
- delim = delim or ','
- list = {}
- for priv, bool in pairs(privs) do
- if bool then
- table.insert(list, priv)
- end
- end
- return table.concat(list, delim)
-end
-
-assert(minetest.string_to_privs("a,b").b == true)
-assert(minetest.privs_to_string({a=true,b=true}) == "a,b")
-
-minetest.auth_file_path = minetest.get_worldpath().."/auth.txt"
-minetest.auth_table = {}
-
-local function read_auth_file()
- local newtable = {}
- local file, errmsg = io.open(minetest.auth_file_path, 'rb')
- if not file then
- minetest.log("info", minetest.auth_file_path.." could not be opened for reading ("..errmsg.."); assuming new world")
- return
- end
- for line in file:lines() do
- if line ~= "" then
- local name, password, privilegestring = string.match(line, "([^:]*):([^:]*):([^:]*)")
- if not name or not password or not privilegestring then
- error("Invalid line in auth.txt: "..dump(line))
- end
- local privileges = minetest.string_to_privs(privilegestring)
- newtable[name] = {password=password, privileges=privileges}
- end
- end
- io.close(file)
- minetest.auth_table = newtable
- minetest.notify_authentication_modified()
-end
-
-local function save_auth_file()
- local newtable = {}
- -- Check table for validness before attempting to save
- for name, stuff in pairs(minetest.auth_table) do
- assert(type(name) == "string")
- assert(name ~= "")
- assert(type(stuff) == "table")
- assert(type(stuff.password) == "string")
- assert(type(stuff.privileges) == "table")
- end
- local file, errmsg = io.open(minetest.auth_file_path, 'w+b')
- if not file then
- error(minetest.auth_file_path.." could not be opened for writing: "..errmsg)
- end
- for name, stuff in pairs(minetest.auth_table) do
- local privstring = minetest.privs_to_string(stuff.privileges)
- file:write(name..":"..stuff.password..":"..privstring..'\n')
- end
- io.close(file)
-end
-
-read_auth_file()
-
-minetest.builtin_auth_handler = {
- get_auth = function(name)
- assert(type(name) == "string")
- -- Figure out what password to use for a new player (singleplayer
- -- always has an empty password, otherwise use default, which is
- -- usually empty too)
- local new_password_hash = ""
- if not minetest.is_singleplayer() then
- new_password_hash = minetest.get_password_hash(name, minetest.setting_get("default_password"))
- end
- -- Add player to authentication table if not there already
- if not minetest.auth_table[name] then
- minetest.builtin_auth_handler.create_auth(name, minetest.get_password_hash(name, minetest.setting_get("default_password")))
- end
- -- Figure out what privileges the player should have.
- -- Take a copy of the privilege table
- local privileges = {}
- for priv, _ in pairs(minetest.auth_table[name].privileges) do
- privileges[priv] = true
- end
- -- If singleplayer, give all privileges except those marked as give_to_singleplayer = false
- if minetest.is_singleplayer() then
- for priv, def in pairs(minetest.registered_privileges) do
- if def.give_to_singleplayer then
- privileges[priv] = true
- end
- end
- -- For the admin, give everything
- elseif name == minetest.setting_get("name") then
- for priv, def in pairs(minetest.registered_privileges) do
- privileges[priv] = true
- end
- end
- -- All done
- return {
- password = minetest.auth_table[name].password,
- privileges = privileges,
- }
- end,
- create_auth = function(name, password)
- assert(type(name) == "string")
- assert(type(password) == "string")
- minetest.log('info', "Built-in authentication handler adding player '"..name.."'")
- minetest.auth_table[name] = {
- password = password,
- privileges = minetest.string_to_privs(minetest.setting_get("default_privs")),
- }
- save_auth_file()
- end,
- set_password = function(name, password)
- assert(type(name) == "string")
- assert(type(password) == "string")
- if not minetest.auth_table[name] then
- minetest.builtin_auth_handler.create_auth(name, password)
- else
- minetest.log('info', "Built-in authentication handler setting password of player '"..name.."'")
- minetest.auth_table[name].password = password
- save_auth_file()
- end
- return true
- end,
- set_privileges = function(name, privileges)
- assert(type(name) == "string")
- assert(type(privileges) == "table")
- if not minetest.auth_table[name] then
- minetest.builtin_auth_handler.create_auth(name, minetest.get_password_hash(name, minetest.setting_get("default_password")))
- end
- minetest.auth_table[name].privileges = privileges
- minetest.notify_authentication_modified(name)
- save_auth_file()
- end,
- reload = function()
- read_auth_file()
- return true
- end,
-}
-
-function minetest.register_authentication_handler(handler)
- if minetest.registered_auth_handler then
- error("Add-on authentication handler already registered by "..minetest.registered_auth_handler_modname)
- end
- minetest.registered_auth_handler = handler
- minetest.registered_auth_handler_modname = minetest.get_current_modname()
-end
-
-function minetest.get_auth_handler()
- if minetest.registered_auth_handler then
- return minetest.registered_auth_handler
- end
- return minetest.builtin_auth_handler
-end
-
-function minetest.set_player_password(name, password)
- if minetest.get_auth_handler().set_password then
- minetest.get_auth_handler().set_password(name, password)
- end
-end
-
-function minetest.set_player_privs(name, privs)
- if minetest.get_auth_handler().set_privileges then
- minetest.get_auth_handler().set_privileges(name, privs)
- end
-end
-
-function minetest.auth_reload()
- if minetest.get_auth_handler().reload then
- return minetest.get_auth_handler().reload()
- end
- return false
-end
-
---
--- Set random seed
---
-