begin network

src/Lobby.cpp

@@ -0,0 +1,96 @@
+#include "Lobby.h"
+
+#include <godot_cpp/classes/e_net_multiplayer_peer.hpp>
+#include <godot_cpp/classes/multiplayer_api.hpp>
+
+using namespace godot;
+
+namespace blitz {
+
+void Lobby::_bind_methods() {
+	godot::ClassDB::bind_method(godot::D_METHOD("create_game", "port", "dedicated"), &Lobby::CreateGame);
+	godot::ClassDB::bind_method(godot::D_METHOD("join_game", "address", "port"), &Lobby::JoinGame);
+	ADD_SIGNAL(MethodInfo("player_connected", PropertyInfo(Variant::INT, "peer_id"), PropertyInfo(Variant::STRING, "player_name")));
+	ADD_SIGNAL(MethodInfo("player_disconnected", PropertyInfo(Variant::INT, "peer_id")));
+	ADD_SIGNAL(MethodInfo("server_disconnected"));
+	ADD_SIGNAL(MethodInfo("local_player_connected"));
+}
+
+Lobby::Lobby() {}
+
+Lobby::~Lobby() {}
+
+void Lobby::_ready() {
+	get_multiplayer()->connect("peer_connected", callable_mp(this, &Lobby::OnPlayerConnected));
+	get_multiplayer()->connect("peer_disconnected", callable_mp(this, &Lobby::OnPlayerDisconnected));
+	get_multiplayer()->connect("connected_to_server", callable_mp(this, &Lobby::OnConnectOk));
+	get_multiplayer()->connect("connection_failed", callable_mp(this, &Lobby::OnConnectFail));
+	get_multiplayer()->connect("server_disconnected", callable_mp(this, &Lobby::OnServerDisconnected));
+}
+
+Error Lobby::JoinGame(const String& a_Address, uint16_t a_Port) {
+	auto* peer = memnew(ENetMultiplayerPeer);
+	Error error = peer->create_client(a_Address, a_Port);
+	if (error)
+		return error;
+
+	get_multiplayer()->set_multiplayer_peer(peer);
+	return Error::OK;
+}
+
+Error Lobby::CreateGame(uint16_t a_Port, bool a_Dedicated) {
+	auto* peer = memnew(ENetMultiplayerPeer);
+	Error error = peer->create_server(a_Port);
+	if (error)
+		return error;
+
+	get_multiplayer()->set_multiplayer_peer(peer);
+
+	if (!a_Dedicated) {
+		emit_signal("local_player_connected");
+		String playerName = "Imtheadmin";
+		m_Players.insert({get_multiplayer()->get_unique_id(), {playerName}});
+		emit_signal("player_connected", get_multiplayer()->get_unique_id(), playerName);
+	}
+
+	return Error::OK;
+}
+
+void Lobby::Shutdown() {
+	get_multiplayer()->set_multiplayer_peer(nullptr);
+	m_Players.clear();
+}
+
+void Lobby::OnPlayerConnected(int32_t a_PeerId) {
+	emit_signal("player_connected", a_PeerId, "anonymous");
+	if (get_multiplayer()->is_server()) {
+		// TODO: broadcast player join
+	}
+}
+
+void Lobby::OnPlayerDisconnected(int32_t a_PeerId) {
+	m_Players.erase(a_PeerId);
+	emit_signal("player_disconnected", a_PeerId);
+	if (get_multiplayer()->is_server()) {
+		// TODO: broadcast player leave
+	}
+}
+
+void Lobby::OnConnectOk() {
+	int32_t peerId = get_multiplayer()->get_unique_id();
+	PlayerInfo localPlayer{"MonPseudo"};
+	m_Players.insert({peerId, localPlayer});
+	emit_signal("player_connected", peerId, localPlayer.m_Name);
+	emit_signal("local_player_connected");
+}
+
+void Lobby::OnConnectFail() {
+	Shutdown();
+}
+
+void Lobby::OnServerDisconnected() {
+	Shutdown();
+	emit_signal("server_disconnected");
+}
+
+}  // namespace blitz