mirror of
https://github.com/godotengine/godot
synced 2024-09-04 23:28:54 +00:00
229 lines
9 KiB
C++
229 lines
9 KiB
C++
/**************************************************************************/
|
|
/* multiplayer_peer.cpp */
|
|
/**************************************************************************/
|
|
/* 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. */
|
|
/* 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. */
|
|
/**************************************************************************/
|
|
|
|
#include "multiplayer_peer.h"
|
|
|
|
#include "core/os/os.h"
|
|
|
|
uint32_t MultiplayerPeer::generate_unique_id() const {
|
|
uint32_t hash = 0;
|
|
|
|
while (hash == 0 || hash == 1) {
|
|
hash = hash_murmur3_one_32(
|
|
(uint32_t)OS::get_singleton()->get_ticks_usec());
|
|
hash = hash_murmur3_one_32(
|
|
(uint32_t)OS::get_singleton()->get_unix_time(), hash);
|
|
hash = hash_murmur3_one_32(
|
|
(uint32_t)OS::get_singleton()->get_user_data_dir().hash64(), hash);
|
|
hash = hash_murmur3_one_32(
|
|
(uint32_t)((uint64_t)this), hash); // Rely on ASLR heap
|
|
hash = hash_murmur3_one_32(
|
|
(uint32_t)((uint64_t)&hash), hash); // Rely on ASLR stack
|
|
|
|
hash = hash_fmix32(hash);
|
|
hash = hash & 0x7FFFFFFF; // Make it compatible with unsigned, since negative ID is used for exclusion
|
|
}
|
|
|
|
return hash;
|
|
}
|
|
|
|
void MultiplayerPeer::set_transfer_channel(int p_channel) {
|
|
transfer_channel = p_channel;
|
|
}
|
|
|
|
int MultiplayerPeer::get_transfer_channel() const {
|
|
return transfer_channel;
|
|
}
|
|
|
|
void MultiplayerPeer::set_transfer_mode(TransferMode p_mode) {
|
|
transfer_mode = p_mode;
|
|
}
|
|
|
|
MultiplayerPeer::TransferMode MultiplayerPeer::get_transfer_mode() const {
|
|
return transfer_mode;
|
|
}
|
|
|
|
void MultiplayerPeer::set_refuse_new_connections(bool p_enable) {
|
|
refuse_connections = p_enable;
|
|
}
|
|
|
|
bool MultiplayerPeer::is_refusing_new_connections() const {
|
|
return refuse_connections;
|
|
}
|
|
|
|
bool MultiplayerPeer::is_server_relay_supported() const {
|
|
return false;
|
|
}
|
|
|
|
void MultiplayerPeer::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_transfer_channel", "channel"), &MultiplayerPeer::set_transfer_channel);
|
|
ClassDB::bind_method(D_METHOD("get_transfer_channel"), &MultiplayerPeer::get_transfer_channel);
|
|
ClassDB::bind_method(D_METHOD("set_transfer_mode", "mode"), &MultiplayerPeer::set_transfer_mode);
|
|
ClassDB::bind_method(D_METHOD("get_transfer_mode"), &MultiplayerPeer::get_transfer_mode);
|
|
ClassDB::bind_method(D_METHOD("set_target_peer", "id"), &MultiplayerPeer::set_target_peer);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_packet_peer"), &MultiplayerPeer::get_packet_peer);
|
|
ClassDB::bind_method(D_METHOD("get_packet_channel"), &MultiplayerPeer::get_packet_channel);
|
|
ClassDB::bind_method(D_METHOD("get_packet_mode"), &MultiplayerPeer::get_packet_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("poll"), &MultiplayerPeer::poll);
|
|
ClassDB::bind_method(D_METHOD("close"), &MultiplayerPeer::close);
|
|
ClassDB::bind_method(D_METHOD("disconnect_peer", "peer", "force"), &MultiplayerPeer::disconnect_peer, DEFVAL(false));
|
|
|
|
ClassDB::bind_method(D_METHOD("get_connection_status"), &MultiplayerPeer::get_connection_status);
|
|
ClassDB::bind_method(D_METHOD("get_unique_id"), &MultiplayerPeer::get_unique_id);
|
|
ClassDB::bind_method(D_METHOD("generate_unique_id"), &MultiplayerPeer::generate_unique_id);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_refuse_new_connections", "enable"), &MultiplayerPeer::set_refuse_new_connections);
|
|
ClassDB::bind_method(D_METHOD("is_refusing_new_connections"), &MultiplayerPeer::is_refusing_new_connections);
|
|
|
|
ClassDB::bind_method(D_METHOD("is_server_relay_supported"), &MultiplayerPeer::is_server_relay_supported);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "refuse_new_connections"), "set_refuse_new_connections", "is_refusing_new_connections");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "transfer_mode", PROPERTY_HINT_ENUM, "Unreliable,Unreliable Ordered,Reliable"), "set_transfer_mode", "get_transfer_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "transfer_channel", PROPERTY_HINT_RANGE, "0,255,1"), "set_transfer_channel", "get_transfer_channel");
|
|
|
|
BIND_ENUM_CONSTANT(CONNECTION_DISCONNECTED);
|
|
BIND_ENUM_CONSTANT(CONNECTION_CONNECTING);
|
|
BIND_ENUM_CONSTANT(CONNECTION_CONNECTED);
|
|
|
|
BIND_CONSTANT(TARGET_PEER_BROADCAST);
|
|
BIND_CONSTANT(TARGET_PEER_SERVER);
|
|
|
|
BIND_ENUM_CONSTANT(TRANSFER_MODE_UNRELIABLE);
|
|
BIND_ENUM_CONSTANT(TRANSFER_MODE_UNRELIABLE_ORDERED);
|
|
BIND_ENUM_CONSTANT(TRANSFER_MODE_RELIABLE);
|
|
|
|
ADD_SIGNAL(MethodInfo("peer_connected", PropertyInfo(Variant::INT, "id")));
|
|
ADD_SIGNAL(MethodInfo("peer_disconnected", PropertyInfo(Variant::INT, "id")));
|
|
}
|
|
|
|
/*************/
|
|
|
|
Error MultiplayerPeerExtension::get_packet(const uint8_t **r_buffer, int &r_buffer_size) {
|
|
Error err;
|
|
if (GDVIRTUAL_CALL(_get_packet, r_buffer, &r_buffer_size, err)) {
|
|
return err;
|
|
}
|
|
if (GDVIRTUAL_IS_OVERRIDDEN(_get_packet_script)) {
|
|
if (!GDVIRTUAL_CALL(_get_packet_script, script_buffer)) {
|
|
return FAILED;
|
|
}
|
|
|
|
if (script_buffer.size() == 0) {
|
|
return Error::ERR_UNAVAILABLE;
|
|
}
|
|
|
|
*r_buffer = script_buffer.ptr();
|
|
r_buffer_size = script_buffer.size();
|
|
|
|
return Error::OK;
|
|
}
|
|
WARN_PRINT_ONCE("MultiplayerPeerExtension::_get_packet_native is unimplemented!");
|
|
return FAILED;
|
|
}
|
|
|
|
Error MultiplayerPeerExtension::put_packet(const uint8_t *p_buffer, int p_buffer_size) {
|
|
Error err;
|
|
if (GDVIRTUAL_CALL(_put_packet, p_buffer, p_buffer_size, err)) {
|
|
return err;
|
|
}
|
|
if (GDVIRTUAL_IS_OVERRIDDEN(_put_packet_script)) {
|
|
PackedByteArray a;
|
|
a.resize(p_buffer_size);
|
|
memcpy(a.ptrw(), p_buffer, p_buffer_size);
|
|
|
|
if (!GDVIRTUAL_CALL(_put_packet_script, a, err)) {
|
|
return FAILED;
|
|
}
|
|
return err;
|
|
}
|
|
WARN_PRINT_ONCE("MultiplayerPeerExtension::_put_packet_native is unimplemented!");
|
|
return FAILED;
|
|
}
|
|
|
|
void MultiplayerPeerExtension::set_refuse_new_connections(bool p_enable) {
|
|
if (GDVIRTUAL_CALL(_set_refuse_new_connections, p_enable)) {
|
|
return;
|
|
}
|
|
MultiplayerPeer::set_refuse_new_connections(p_enable);
|
|
}
|
|
|
|
bool MultiplayerPeerExtension::is_refusing_new_connections() const {
|
|
bool refusing;
|
|
if (GDVIRTUAL_CALL(_is_refusing_new_connections, refusing)) {
|
|
return refusing;
|
|
}
|
|
return MultiplayerPeer::is_refusing_new_connections();
|
|
}
|
|
|
|
bool MultiplayerPeerExtension::is_server_relay_supported() const {
|
|
bool can_relay;
|
|
if (GDVIRTUAL_CALL(_is_server_relay_supported, can_relay)) {
|
|
return can_relay;
|
|
}
|
|
return MultiplayerPeer::is_server_relay_supported();
|
|
}
|
|
|
|
void MultiplayerPeerExtension::_bind_methods() {
|
|
GDVIRTUAL_BIND(_get_packet, "r_buffer", "r_buffer_size");
|
|
GDVIRTUAL_BIND(_put_packet, "p_buffer", "p_buffer_size");
|
|
GDVIRTUAL_BIND(_get_available_packet_count);
|
|
GDVIRTUAL_BIND(_get_max_packet_size);
|
|
|
|
GDVIRTUAL_BIND(_get_packet_script)
|
|
GDVIRTUAL_BIND(_put_packet_script, "p_buffer");
|
|
|
|
GDVIRTUAL_BIND(_get_packet_channel);
|
|
GDVIRTUAL_BIND(_get_packet_mode);
|
|
|
|
GDVIRTUAL_BIND(_set_transfer_channel, "p_channel");
|
|
GDVIRTUAL_BIND(_get_transfer_channel);
|
|
|
|
GDVIRTUAL_BIND(_set_transfer_mode, "p_mode");
|
|
GDVIRTUAL_BIND(_get_transfer_mode);
|
|
|
|
GDVIRTUAL_BIND(_set_target_peer, "p_peer");
|
|
|
|
GDVIRTUAL_BIND(_get_packet_peer);
|
|
GDVIRTUAL_BIND(_is_server);
|
|
GDVIRTUAL_BIND(_poll);
|
|
GDVIRTUAL_BIND(_close);
|
|
GDVIRTUAL_BIND(_disconnect_peer, "p_peer", "p_force");
|
|
GDVIRTUAL_BIND(_get_unique_id);
|
|
GDVIRTUAL_BIND(_set_refuse_new_connections, "p_enable");
|
|
GDVIRTUAL_BIND(_is_refusing_new_connections);
|
|
GDVIRTUAL_BIND(_is_server_relay_supported);
|
|
GDVIRTUAL_BIND(_get_connection_status);
|
|
|
|
ADD_PROPERTY_DEFAULT("transfer_mode", TRANSFER_MODE_RELIABLE);
|
|
ADD_PROPERTY_DEFAULT("transfer_channel", 0);
|
|
}
|