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Allow hud.change_hudbar to change only one or no value of both

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2015-02-09 23:13:33 +01:00
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@ -104,7 +104,9 @@ After a HUD bar has been added, you can change the current and maximum value on
You use the function `hud.change_hudbar` for this.
### `hud.change_hudbar(player, identifier, new_value, new_max_value)`
Changes the values of. If
Changes the values of an initialized HUD bar for a certain player. `new_value` and `new_max_value`
can be `nil`; if one of them is `nil`, that means the value is unchanged. If both values
are `nil`, this function is a no-op.
#### Parameters
* `player`: `ObjectRef` of the player to which the HUD bar belongs to