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Implement player attribute backend (#4155)

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* This backend permit mods to store extra players attributes to a common interface.
* Add the obj:set_attribute(attr, value) Lua call
* Add the obj:get_attribute(attr) Lua call

Examples:
* player:set_attribute("home:home", "10,25,-78")
* player:get_attribute("default:mana")

Attributes are saved as a json in the player file in extended_attributes
key

They are saved only if a modification on the attributes occurs and loaded
when emergePlayer is called (they are attached to PlayerSAO).
This commit is contained in:
Loïc Blot 2017-01-27 08:59:30 +01:00 • committed by GitHub
parent 2a89531071
commit b7a98e9850
9 changed files with 128 additions and 6 deletions
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2
doc/lua_api.txt
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@ -2899,6 +2899,8 @@ This is basically a reference to a C++ `ServerActiveObject`
* `0`: player is drowning,
* `1`-`10`: remaining number of bubbles
* `11`: bubbles bar is not shown
* `set_attribute(attribute, value)`: sets an extra attribute with value on player
* `get_attribute(attribute)`: returns value for extra attribute. Returns nil if no attribute found.
* `set_inventory_formspec(formspec)`
* Redefine player's inventory form
* Should usually be called in on_joinplayer