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[MP] Convert _spawn_custom to a Callable property.

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Renamed to "spawn_function".
Allow both custom spawn and auto spawn list to co-exist.

This makes it possible to implement custom spawn without being forced to
attach a script to MultiplayerSpawner directly.
This commit is contained in:
Fabio Alessandrelli
2023-01-05 08:44:01 +01:00
parent f5f7d11ac4
commit 566c48f193
3 changed files with 23 additions and 28 deletions
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16
modules/multiplayer/doc_classes/MultiplayerSpawner.xml
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@@ -5,20 +5,12 @@
</brief_description>
<description>
Spawnable scenes can be configured in the editor or through code (see [method add_spawnable_scene]).
Also supports custom node spawns through [method spawn], calling [method _spawn_custom] on all peers.
Also supports custom node spawns through [method spawn], calling [member spawn_function] on all peers.
Internally, [MultiplayerSpawner] uses [method MultiplayerAPI.object_configuration_add] to notify spawns passing the spawned node as the [code]object[/code] and itself as the [code]configuration[/code], and [method MultiplayerAPI.object_configuration_remove] to notify despawns in a similar way.
</description>
<tutorials>
</tutorials>
<methods>
<method name="_spawn_custom" qualifiers="virtual">
<return type="Node" />
<param index="0" name="data" type="Variant" />
<description>
Method called on all peers when a custom spawn was requested by the authority using [method spawn]. Should return a [Node] that is not in the scene tree.
[b]Note:[/b] Spawned nodes should [b]not[/b] be added to the scene with [method Node.add_child]. This is done automatically.
</description>
</method>
<method name="add_spawnable_scene">
<return type="void" />
<param index="0" name="path" type="String" />
@@ -49,12 +41,16 @@
<return type="Node" />
<param index="0" name="data" type="Variant" default="null" />
<description>
Requests a custom spawn, with [code]data[/code] passed to [method _spawn_custom] on all peers. Returns the locally spawned node instance already inside the scene tree, and added as a child of the node pointed by [member spawn_path].
Requests a custom spawn, with [code]data[/code] passed to [member spawn_function] on all peers. Returns the locally spawned node instance already inside the scene tree, and added as a child of the node pointed by [member spawn_path].
[b]Note:[/b] Spawnable scenes are spawned automatically. [method spawn] is only needed for custom spawns.
</description>
</method>
</methods>
<members>
<member name="spawn_function" type="Callable" setter="set_spawn_function" getter="get_spawn_function">
Method called on all peers when for every custom [method spawn] requested by the authority. Will receive the [code]data[/code] parameter, and should return a [Node] that is not in the scene tree.
[b]Note:[/b] The returned node should [b]not[/b] be added to the scene with [method Node.add_child]. This is done automatically.
</member>
<member name="spawn_limit" type="int" setter="set_spawn_limit" getter="get_spawn_limit" default="0">
Maximum nodes that is allowed to be spawned by this spawner. Includes both spawnable scenes and custom spawns.
When set to [code]0[/code] (the default), there is no limit.