godot/modules/multiplayer/multiplayer_spawner.h
Fabio Alessandrelli ad3a4214c5 [MP] Fix nested spawning during "ready".
We want our spawns to be notified after ready, but we need to notify
them in the order they entered tree, so that nested spawners can be used
during "ready" (instead of having to await a frame).
2023-01-17 04:22:07 +01:00

124 lines
4.7 KiB
C++

/**************************************************************************/
/* multiplayer_spawner.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/**************************************************************************/
#ifndef MULTIPLAYER_SPAWNER_H
#define MULTIPLAYER_SPAWNER_H
#include "scene/main/node.h"
#include "core/templates/local_vector.h"
#include "core/variant/typed_array.h"
#include "scene/resources/packed_scene.h"
#include "scene_replication_config.h"
class MultiplayerSpawner : public Node {
GDCLASS(MultiplayerSpawner, Node);
public:
enum {
INVALID_ID = 0xFF,
};
private:
struct SpawnableScene {
String path;
Ref<PackedScene> cache;
};
LocalVector<SpawnableScene> spawnable_scenes;
HashSet<ResourceUID::ID> spawnable_ids;
NodePath spawn_path;
struct SpawnInfo {
Variant args;
int id = INVALID_ID;
SpawnInfo(Variant p_args, int p_id) {
id = p_id;
args = p_args;
}
SpawnInfo() {}
};
ObjectID spawn_node;
HashMap<ObjectID, SpawnInfo> tracked_nodes;
uint32_t spawn_limit = 0;
Callable spawn_function;
void _update_spawn_node();
void _track(Node *p_node, const Variant &p_argument, int p_scene_id = INVALID_ID);
void _node_added(Node *p_node);
void _node_exit(ObjectID p_id);
void _spawn_notify(ObjectID p_id);
Vector<String> _get_spawnable_scenes() const;
void _set_spawnable_scenes(const Vector<String> &p_scenes);
protected:
static void _bind_methods();
void _notification(int p_what);
#ifdef TOOLS_ENABLED
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
#endif
public:
PackedStringArray get_configuration_warnings() const override;
Node *get_spawn_node() const {
return spawn_node.is_valid() ? Object::cast_to<Node>(ObjectDB::get_instance(spawn_node)) : nullptr;
}
void add_spawnable_scene(const String &p_path);
int get_spawnable_scene_count() const;
String get_spawnable_scene(int p_idx) const;
void clear_spawnable_scenes();
NodePath get_spawn_path() const;
void set_spawn_path(const NodePath &p_path);
uint32_t get_spawn_limit() const { return spawn_limit; }
void set_spawn_limit(uint32_t p_limit) { spawn_limit = p_limit; }
void set_spawn_function(Callable p_spawn_function) { spawn_function = p_spawn_function; }
Callable get_spawn_function() const { return spawn_function; }
const Variant get_spawn_argument(const ObjectID &p_id) const;
int find_spawnable_scene_index_from_object(const ObjectID &p_id) const;
int find_spawnable_scene_index_from_path(const String &p_path) const;
Node *spawn(const Variant &p_data = Variant());
Node *instantiate_custom(const Variant &p_data);
Node *instantiate_scene(int p_idx);
MultiplayerSpawner() {}
};
#endif // MULTIPLAYER_SPAWNER_H