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/*************************************************************************/
/* multiplayer_api.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef MULTIPLAYER_API_H
#define MULTIPLAYER_API_H
#include "core/object/ref_counted.h"
#include "scene/main/multiplayer_peer.h"
class MultiplayerAPI : public RefCounted {
GDCLASS(MultiplayerAPI, RefCounted);
private:
static StringName default_interface;
protected:
static void _bind_methods();
Error _rpc_bind(int p_peer, Object *p_obj, const StringName &p_method, Array args = Array());
public:
enum RPCMode {
RPC_MODE_DISABLED, // No rpc for this method, calls to this will be blocked (default)
RPC_MODE_ANY_PEER, // Any peer can call this RPC
RPC_MODE_AUTHORITY, // Only the node's multiplayer authority (server by default) can call this RPC
};
static Ref<MultiplayerAPI> create_default_interface();
static void set_default_interface(const StringName &p_interface);
static StringName get_default_interface();
static Error encode_and_compress_variant(const Variant &p_variant, uint8_t *p_buffer, int &r_len, bool p_allow_object_decoding);
static Error decode_and_decompress_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int *r_len, bool p_allow_object_decoding);
static Error encode_and_compress_variants(const Variant **p_variants, int p_count, uint8_t *p_buffer, int &r_len, bool *r_raw = nullptr, bool p_allow_object_decoding = false);
static Error decode_and_decompress_variants(Vector<Variant> &r_variants, const uint8_t *p_buffer, int p_len, int &r_len, bool p_raw = false, bool p_allow_object_decoding = false);
virtual Error poll() = 0;
virtual void set_multiplayer_peer(const Ref<MultiplayerPeer> &p_peer) = 0;
virtual Ref<MultiplayerPeer> get_multiplayer_peer() = 0;
virtual int get_unique_id() = 0;
virtual Vector<int> get_peer_ids() = 0;
virtual Error rpcp(Object *p_obj, int p_peer_id, const StringName &p_method, const Variant **p_arg, int p_argcount) = 0;
virtual int get_remote_sender_id() = 0;
virtual Error object_configuration_add(Object *p_object, Variant p_config) = 0;
virtual Error object_configuration_remove(Object *p_object, Variant p_config) = 0;
bool has_multiplayer_peer() { return get_multiplayer_peer().is_valid(); }
bool is_server() { return get_unique_id() == MultiplayerPeer::TARGET_PEER_SERVER; }
MultiplayerAPI() {}
virtual ~MultiplayerAPI() {}
};
VARIANT_ENUM_CAST(MultiplayerAPI::RPCMode);
class MultiplayerAPIExtension : public MultiplayerAPI {
GDCLASS(MultiplayerAPIExtension, MultiplayerAPI);
protected:
static void _bind_methods();
public:
virtual Error poll() override;
virtual void set_multiplayer_peer(const Ref<MultiplayerPeer> &p_peer) override;
virtual Ref<MultiplayerPeer> get_multiplayer_peer() override;
virtual int get_unique_id() override;
virtual Vector<int> get_peer_ids() override;
virtual Error rpcp(Object *p_obj, int p_peer_id, const StringName &p_method, const Variant **p_arg, int p_argcount) override;
virtual int get_remote_sender_id() override;
virtual Error object_configuration_add(Object *p_object, Variant p_config) override;
virtual Error object_configuration_remove(Object *p_object, Variant p_config) override;
// Extensions
GDVIRTUAL0R(int, _poll);
GDVIRTUAL1(_set_multiplayer_peer, Ref<MultiplayerPeer>);
GDVIRTUAL0R(Ref<MultiplayerPeer>, _get_multiplayer_peer);
GDVIRTUAL0RC(int, _get_unique_id);
GDVIRTUAL0RC(PackedInt32Array, _get_peer_ids);
GDVIRTUAL4R(int, _rpc, int, Object *, StringName, Array);
GDVIRTUAL0RC(int, _get_remote_sender_id);
GDVIRTUAL2R(int, _object_configuration_add, Object *, Variant);
GDVIRTUAL2R(int, _object_configuration_remove, Object *, Variant);
};
#endif // MULTIPLAYER_API_H
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