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lua_api.txt: Various fixes and improvements (#7945)
* Add missing tables of registered things * Eliminate some duplication Registration functions in 'Registered definitions' section merged into 'Registration functions' section. * Misc. fixes * Add privilege definition table * Remove not-special soil group from special groups * Merge two registration functions sections * Move 'added to' information to tables section Also fix some capitalization and missing periods * Minor fixes * Split Registration functions into two subsections And update Registered definition tables to match order * Fixes
This commit is contained in:
Paul Ouellette
Loïc Blot
parent
a8575295d5
commit
ce32a327ff
252
doc/lua_api.txt
252
doc/lua_api.txt
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@ -859,74 +859,19 @@ one player using `to_player = name,`
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Registered definitions
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======================
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Anything added using certain `minetest.register_*` functions gets added to
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the global `minetest.registered_*` tables.
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* `minetest.register_entity(name, entity definition)`
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* added to `minetest.registered_entities[name]`
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* `minetest.register_node(name, node definition)`
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* added to `minetest.registered_items[name]`
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* added to `minetest.registered_nodes[name]`
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* `minetest.register_tool(name, item definition)`
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* added to `minetest.registered_items[name]`
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* `minetest.register_craftitem(name, item definition)`
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* added to `minetest.registered_items[name]`
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* `minetest.unregister_item(name)`
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* Unregisters the item name from engine, and deletes the entry with key
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`name` from `minetest.registered_items` and from the associated item
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table according to its nature: `minetest.registered_nodes[]` etc
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* `minetest.register_biome(biome definition)`
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* returns an integer uniquely identifying the registered biome
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* added to `minetest.registered_biome` with the key of `biome.name`
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* if `biome.name` is nil, the key is the returned ID
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* `minetest.unregister_biome(name)`
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* Unregisters the biome name from engine, and deletes the entry with key
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`name` from `minetest.registered_biome`
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* `minetest.register_ore(ore definition)`
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* returns an integer uniquely identifying the registered ore
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* added to `minetest.registered_ores` with the key of `ore.name`
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* if `ore.name` is nil, the key is the returned ID
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* `minetest.register_decoration(decoration definition)`
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* returns an integer uniquely identifying the registered decoration
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* added to `minetest.registered_decorations` with the key of
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`decoration.name`.
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* if `decoration.name` is nil, the key is the returned ID
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* `minetest.register_schematic(schematic definition)`
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* returns an integer uniquely identifying the registered schematic
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* added to `minetest.registered_schematic` with the key of `schematic.name`
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* if `schematic.name` is nil, the key is the returned ID
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* if the schematic is loaded from a file, schematic.name is set to the
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filename.
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* if the function is called when loading the mod, and schematic.name is a
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relative path, then the current mod path will be prepended to the
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schematic filename.
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* `minetest.clear_registered_biomes()`
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* clears all biomes currently registered
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* `minetest.clear_registered_ores()`
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* clears all ores currently registered
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* `minetest.clear_registered_decorations()`
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* clears all decorations currently registered
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* `minetest.clear_registered_schematics()`
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* clears all schematics currently registered
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Anything added using certain [Registration functions] gets added to one or more
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of the global [Registered definition tables].
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Note that in some cases you will stumble upon things that are not contained
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in these tables (e.g. when a mod has been removed). Always check for
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existence before trying to access the fields.
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Example: If you want to check the drawtype of a node, you could do:
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Example:
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All nodes register with `minetest.register_node` get added to the table
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`minetest.registered_nodes`.
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If you want to check the drawtype of a node, you could do:
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local function get_nodedef_field(nodename, fieldname)
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if not minetest.registered_nodes[nodename] then
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@ -1248,6 +1193,7 @@ Below are the specific uses for fields in each type; fields not listed for that
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type are ignored.
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### `image`
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Displays an image on the HUD.
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* `scale`: The scale of the image, with 1 being the original texture size.
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@ -1321,6 +1267,7 @@ For helper functions see [Spatial Vectors].
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* `{type="object", ref=ObjectRef}`
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Exact pointing location (currently only `Raycast` supports these fields):
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* `pointed_thing.intersection_point`: The absolute world coordinates of the
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point on the selection box which is pointed at. May be in the selection box
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if the pointer is in the box too.
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@ -1546,7 +1493,6 @@ Special groups
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* `attached_node`: if the node under it is not a walkable block the node will be
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dropped as an item. If the node is wallmounted the wallmounted direction is
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checked.
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* `soil`: saplings will grow on nodes in this group
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* `connect_to_raillike`: makes nodes of raillike drawtype with same group value
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connect to each other
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* `slippery`: Players and items will slide on the node.
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@ -1554,7 +1500,6 @@ Special groups
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* `disable_repair`: If set to 1 for a tool, it cannot be repaired using the
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`"toolrepair"` crafting recipe
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Known damage and digging time defining groups
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---------------------------------------------
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@ -1985,6 +1930,7 @@ Elements
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* `<fontcolor>` tooltip font color as `ColorString` (optional)
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### `tooltip[<X>,<Y>;<W>,<H>;<tooltip_text>;<bgcolor>;<fontcolor>]`
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* Adds tooltip for an area. Other tooltips will take priority when present.
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* `<bgcolor>` tooltip background color as `ColorString` (optional)
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* `<fontcolor>` tooltip font color as `ColorString` (optional)
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@ -2097,9 +2043,9 @@ Elements
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### `item_image_button[<X>,<Y>;<W>,<H>;<item name>;<name>;<label>]`
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* `item name` is the registered name of an item/node,
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tooltip will be made out of its description
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to override it use tooltip element
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* `item name` is the registered name of an item/node
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* The item description will be used as the tooltip. This can be overridden with
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a tooltip element.
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### `button_exit[<X>,<Y>;<W>,<H>;<name>;<label>]`
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@ -3020,7 +2966,6 @@ to be a table retrieved from `get_data()`.
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Once the internal VoxelManip state has been modified to your liking, the
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changes can be committed back to the map by calling `VoxelManip:write_to_map()`
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### Flat array format
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Let
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@ -3536,17 +3481,56 @@ Registration functions
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Call these functions only at load time!
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### Environment
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* `minetest.register_node(name, node definition)`
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* `minetest.register_craftitem(name, item definition)`
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* `minetest.register_tool(name, item definition)`
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* `minetest.override_item(name, redefinition)`
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* Overrides fields of an item registered with register_node/tool/craftitem.
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* Note: Item must already be defined, (opt)depend on the mod defining it.
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* Example: `minetest.override_item("default:mese",
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{light_source=minetest.LIGHT_MAX})`
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* `minetest.unregister_item(name)`
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* Unregisters the item from the engine, and deletes the entry with key
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`name` from `minetest.registered_items` and from the associated item table
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according to its nature: `minetest.registered_nodes`, etc.
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* `minetest.register_entity(name, entity definition)`
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* `minetest.register_abm(abm definition)`
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* `minetest.register_lbm(lbm definition)`
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* `minetest.register_node(name, node definition)`
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* `minetest.register_tool(name, item definition)`
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* `minetest.register_craftitem(name, item definition)`
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* `minetest.unregister_item(name)`
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* `minetest.register_alias(name, convert_to)`
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* Also use this to set the 'mapgen aliases' needed in a game for the core
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* mapgens. See [Mapgen aliases] section above.
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mapgens. See [Mapgen aliases] section above.
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* `minetest.register_alias_force(name, convert_to)`
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* `minetest.register_ore(ore definition)`
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* Returns an integer uniquely identifying the registered ore on success.
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* `minetest.register_biome(biome definition)`
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* Returns an integer uniquely identifying the registered biome on success.
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* `minetest.unregister_biome(name)`
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* Unregisters the biome from the engine, and deletes the entry with key
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`name` from `minetest.registered_biomes`.
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* `minetest.register_decoration(decoration definition)`
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* Returns an integer uniquely identifying the registered decoration on
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success.
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* `minetest.register_schematic(schematic definition)`
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* Returns an integer uniquely identifying the registered schematic on
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success.
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* If the schematic is loaded from a file, the `name` field is set to the
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filename.
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* If the function is called when loading the mod, and `name` is a relative
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path, then the current mod path will be prepended to the schematic
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filename.
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* `minetest.clear_registered_ores()`
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* Clears all ores currently registered.
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* `minetest.clear_registered_biomes()`
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* Clears all biomes currently registered.
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* `minetest.clear_registered_decorations()`
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* Clears all decorations currently registered.
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* `minetest.clear_registered_schematics()`
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* Clears all schematics currently registered.
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### Gameplay
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* `minetest.register_craft(recipe)`
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* Check recipe table syntax for different types below.
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* `minetest.clear_craft(recipe)`
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@ -3559,16 +3543,21 @@ Call these functions only at load time!
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* **Warning**! The type field ("shaped", "cooking" or any other) will be
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ignored if the recipe contains output. Erasing is then done independently
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from the crafting method.
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* `minetest.register_ore(ore definition)`
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* `minetest.register_biome(biome definition)`
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* `minetest.register_decoration(decoration definition)`
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* `minetest.override_item(name, redefinition)`
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* Overrides fields of an item registered with register_node/tool/craftitem.
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* Note: Item must already be defined, (opt)depend on the mod defining it.
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* Example: `minetest.override_item("default:mese", {light_source=LIGHT_MAX})`
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* `minetest.clear_registered_ores()`
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* `minetest.clear_registered_biomes()`
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* `minetest.clear_registered_decorations()`
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* `minetest.register_chatcommand(cmd, chatcommand definition)`
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* `minetest.override_chatcommand(name, redefinition)`
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* Overrides fields of a chatcommand registered with `register_chatcommand`.
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* `minetest.unregister_chatcommand(name)`
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* Unregisters a chatcommands registered with `register_chatcommand`.
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* `minetest.register_privilege(name, definition)`
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* `definition` can be a description or a definition table (see [Privilege
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definition]).
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* If it is a description, the priv will be granted to singleplayer and admin
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by default.
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* To allow players with `basic_privs` to grant, see the `basic_privs`
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minetest.conf setting.
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* `minetest.register_authentication_handler(authentication handler definition)`
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* Registers an auth handler that overrides the builtin one.
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* This function can be called by a single mod once only.
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Global callback registration functions
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--------------------------------------
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@ -3729,36 +3718,6 @@ Call these functions only at load time!
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* You should have joined some channels to receive events.
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* If message comes from a server mod, `sender` field is an empty string.
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Other registration functions
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----------------------------
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* `minetest.register_chatcommand(cmd, chatcommand definition)`
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* Adds definition to `minetest.registered_chatcommands`
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* `minetest.override_chatcommand(name, redefinition)`
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* Overrides fields of a chatcommand registered with `register_chatcommand`.
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* `minetest.unregister_chatcommand(name)`
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* Unregisters a chatcommands registered with `register_chatcommand`.
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* `minetest.register_privilege(name, definition)`
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* `definition`: `"description text"`
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* `definition`:
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`{description = "description text", give_to_singleplayer = boolean}`
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the default of `give_to_singleplayer` is true.
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* To allow players with `basic_privs` to grant, see `basic_privs`
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minetest.conf setting.
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* `on_grant(name, granter_name)`: Called when given to player `name` by
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`granter_name`.
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`granter_name` will be nil if the priv was granted by a mod.
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* `on_revoke(name, revoker_name)`: Called when taken from player `name` by
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`revoker_name`.
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`revoker_name` will be nil if the priv was revoked by a mod
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* Note that the above two callbacks will be called twice if a player is
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responsible, once with the player name, and then with a nil player name.
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* Return true in the above callbacks to stop register_on_priv_grant or
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revoke being called.
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* `minetest.register_authentication_handler(authentication handler definition)`
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* Registers an auth handler that overrides the builtin one
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* This function can be called by a single mod once only.
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Setting-related
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---------------
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@ -4713,6 +4672,8 @@ Global objects
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Global tables
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-------------
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### Registered definition tables
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* `minetest.registered_items`
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* Map of registered items, indexed by name
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* `minetest.registered_nodes`
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@ -4727,14 +4688,35 @@ Global tables
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* Map of object references, indexed by active object id
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* `minetest.luaentities`
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* Map of Lua entities, indexed by active object id
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* `minetest.registered_abms`
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* List of ABM definitions
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* `minetest.registered_lbms`
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* List of LBM definitions
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* `minetest.registered_aliases`
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* Map of registered aliases, indexed by name
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* `minetest.registered_ores`
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* Map of registered ore definitions, indexed by the `name` field.
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* If `name` is nil, the key is the ID returned by `minetest.register_ore`.
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* `minetest.registered_biomes`
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* Map of registered biome definitions, indexed by the `name` field.
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* If `name` is nil, the key is the ID returned by `minetest.register_biome`.
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* `minetest.registered_decorations`
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* Map of registered decoration definitions, indexed by the `name` field.
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* If `name` is nil, the key is the ID returned by
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`minetest.register_decoration`.
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* `minetest.registered_schematics`
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* Map of registered schematic definitions, indexed by the `name` field.
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* If `name` is nil, the key is the ID returned by
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`minetest.register_schematic`.
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* `minetest.registered_chatcommands`
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* Map of registered chat command definitions, indexed by name
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* `minetest.registered_ores`
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* List of registered ore definitions.
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* `minetest.registered_biomes`
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* List of registered biome definitions.
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* `minetest.registered_decorations`
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* List of registered decoration definitions.
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* `minetest.registered_privileges`
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* Map of registered privilege definitions, indexed by name
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### Registered callback tables
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All callbacks registered with [Global callback registration functions] are added
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to corresponding `minetest.registered_*` tables.
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@ -6557,6 +6539,36 @@ Note that in params, use of symbols is as follows:
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* `()` signifies grouping. For example, when param1 and param2 are both
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required, or only param3 is required: `(<param1> <param2>) | <param3>`
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Privilege definition
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--------------------
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Used by `minetest.register_privilege`.
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{
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description = "Can teleport", -- Privilege description
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give_to_singleplayer = false,
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-- Whether to grant the privilege to singleplayer (default true).
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give_to_admin = true,
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-- Whether to grant the privilege to the server admin.
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-- Uses value of 'give_to_singleplayer' by default.
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on_grant = function(name, granter_name),
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-- Called when given to player 'name' by 'granter_name'.
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-- 'granter_name' will be nil if the priv was granted by a mod.
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on_revoke = function(name, revoker_name),
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-- Called when taken from player 'name' by 'revoker_name'.
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-- 'revoker_name' will be nil if the priv was revoked by a mod.
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-- Note that the above two callbacks will be called twice if a player is
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-- responsible, once with the player name, and then with a nil player
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-- name.
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-- Return true in the above callbacks to stop register_on_priv_grant or
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-- revoke being called.
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}
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Detached inventory callbacks
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----------------------------
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