summaryrefslogtreecommitdiff
path: root/builtin/game/register.lua
diff options
context:
space:
mode:
authorShadowNinja <shadowninja@minetest.net>2014-04-27 17:55:49 -0400
committerShadowNinja <shadowninja@minetest.net>2014-05-07 17:14:23 -0400
commit1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528 (patch)
tree8c1e2c708f567656684e89faee4f7c8e6c5ec673 /builtin/game/register.lua
parentfef2729fd0945601e6772780514ee55fec35b068 (diff)
downloadminetest-1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528.tar.gz
minetest-1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528.tar.bz2
minetest-1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528.zip
Organize builtin into subdirectories
Diffstat (limited to 'builtin/game/register.lua')
-rw-r--r--builtin/game/register.lua410
1 files changed, 410 insertions, 0 deletions
diff --git a/builtin/game/register.lua b/builtin/game/register.lua
new file mode 100644
index 000000000..99c5115c4
--- /dev/null
+++ b/builtin/game/register.lua
@@ -0,0 +1,410 @@
+-- Minetest: builtin/misc_register.lua
+
+--
+-- Make raw registration functions inaccessible to anyone except this file
+--
+
+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 alias_metatable = {
+ __index = function(t, name)
+ return rawget(t, minetest.registered_aliases[name])
+ end
+}
+setmetatable(minetest.registered_items, alias_metatable)
+setmetatable(minetest.registered_nodes, alias_metatable)
+setmetatable(minetest.registered_craftitems, alias_metatable)
+setmetatable(minetest.registered_tools, alias_metatable)
+
+-- 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
+ -- Use the nodebox as selection box if it's not set manually
+ if itemdef.drawtype == "nodebox" and not itemdef.selection_box then
+ itemdef.selection_box = itemdef.node_box
+ elseif itemdef.drawtype == "fencelike" and not itemdef.selection_box then
+ itemdef.selection_box = {
+ type = "fixed",
+ fixed = {-1/8, -1/2, -1/8, 1/8, 1/2, 1/8},
+ }
+ end
+ 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
+
+local register_biome_raw = minetest.register_biome
+minetest.registered_biomes = {}
+function minetest.register_biome(biome)
+ minetest.registered_biomes[biome.name] = biome
+ register_biome_raw(biome)
+end
+
+function minetest.on_craft(itemstack, player, old_craft_list, craft_inv)
+ for _, func in ipairs(minetest.registered_on_crafts) do
+ itemstack = func(itemstack, player, old_craft_list, craft_inv) or itemstack
+ end
+ return itemstack
+end
+
+function minetest.craft_predict(itemstack, player, old_craft_list, craft_inv)
+ for _, func in ipairs(minetest.registered_craft_predicts) do
+ itemstack = func(itemstack, player, old_craft_list, craft_inv) or itemstack
+ end
+ return itemstack
+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,
+ groups = {not_in_creative_inventory=1},
+ diggable = true,
+})
+
+minetest.register_node(":air", {
+ description = "Air (you hacker you!)",
+ inventory_image = "unknown_node.png",
+ wield_image = "unknown_node.png",
+ drawtype = "airlike",
+ paramtype = "light",
+ sunlight_propagates = true,
+ walkable = false,
+ pointable = false,
+ diggable = false,
+ buildable_to = true,
+ air_equivalent = true,
+ drop = "",
+ groups = {not_in_creative_inventory=1},
+})
+
+minetest.register_node(":ignore", {
+ description = "Ignore (you hacker you!)",
+ inventory_image = "unknown_node.png",
+ wield_image = "unknown_node.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,
+ drop = "",
+ groups = {not_in_creative_inventory=1},
+})
+
+-- The hand (bare definition)
+minetest.register_item(":", {
+ type = "none",
+ groups = {not_in_creative_inventory=1},
+})
+
+
+function minetest.override_item(name, redefinition)
+ if redefinition.name ~= nil then
+ error("Attempt to redefine name of "..name.." to "..dump(redefinition.name), 2)
+ end
+ if redefinition.type ~= nil then
+ error("Attempt to redefine type of "..name.." to "..dump(redefinition.type), 2)
+ end
+ local item = minetest.registered_items[name]
+ if not item then
+ error("Attempt to override non-existent item "..name, 2)
+ end
+ for k, v in pairs(redefinition) do
+ rawset(item, k, v)
+ end
+ register_item_raw(item)
+end
+
+
+function minetest.run_callbacks(callbacks, mode, ...)
+ assert(type(callbacks) == "table")
+ local cb_len = #callbacks
+ if cb_len == 0 then
+ if mode == 2 or mode == 3 then
+ return true
+ elseif mode == 4 or mode == 5 then
+ return false
+ end
+ end
+ local ret = nil
+ for i = 1, cb_len do
+ local cb_ret = callbacks[i](...)
+
+ if mode == 0 and i == 1 then
+ ret = cb_ret
+ elseif mode == 1 and i == cb_len then
+ ret = cb_ret
+ elseif mode == 2 then
+ if not cb_ret or i == 1 then
+ ret = cb_ret
+ end
+ elseif mode == 3 then
+ if cb_ret then
+ return cb_ret
+ end
+ ret = cb_ret
+ elseif mode == 4 then
+ if (cb_ret and not ret) or i == 1 then
+ ret = cb_ret
+ end
+ elseif mode == 5 and cb_ret then
+ return cb_ret
+ end
+ end
+ return ret
+end
+
+--
+-- Callback registration
+--
+
+local function make_registration()
+ local t = {}
+ local registerfunc = function(func) table.insert(t, func) end
+ return t, registerfunc
+end
+
+local function make_registration_reverse()
+ local t = {}
+ local registerfunc = function(func) table.insert(t, 1, 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_playerevents, minetest.register_playerevent = make_registration()
+minetest.registered_on_mapgen_inits, minetest.register_on_mapgen_init = make_registration()
+minetest.registered_on_shutdown, minetest.register_on_shutdown = make_registration()
+minetest.registered_on_punchnodes, minetest.register_on_punchnode = 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_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_prejoinplayers, minetest.register_on_prejoinplayer = make_registration()
+minetest.registered_on_joinplayers, minetest.register_on_joinplayer = make_registration()
+minetest.registered_on_leaveplayers, minetest.register_on_leaveplayer = make_registration()
+minetest.registered_on_player_receive_fields, minetest.register_on_player_receive_fields = make_registration_reverse()
+minetest.registered_on_cheats, minetest.register_on_cheat = make_registration()
+minetest.registered_on_crafts, minetest.register_on_craft = make_registration()
+minetest.registered_craft_predicts, minetest.register_craft_predict = make_registration()
+minetest.registered_on_protection_violation, minetest.register_on_protection_violation = make_registration()
+