make world abstract

src/blitz/godot/World.cpp

@@ -0,0 +1,108 @@
+#include <blitz/godot/World.h>
+
+#include <blitz/godot/NetworkInterface.h>
+#include <client/FirstPersonPlayer.h>
+#include <client/Player.h>
+#include <godot_cpp/classes/engine.hpp>
+#include <godot_cpp/classes/multiplayer_api.hpp>
+#include <godot_cpp/classes/packed_scene.hpp>
+#include <godot_cpp/classes/resource_loader.hpp>
+#include <godot_cpp/variant/utility_functions.hpp>
+
+
+using namespace godot;
+
+namespace blitz {
+
+static const char FirstPersonPlayerScenePath[] = "res://Scenes/Characters/first_person_player.tscn";
+static const char PlayerScenePath[] = "res://Scenes/Characters/player.tscn";
+
+void World::_bind_methods() {}
+
+void World::_ready() {
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+
+	m_Players = find_child("Players");
+	DEV_ASSERT(m_Players);
+
+	m_NetworkInterface = Object::cast_to<NetworkInterface>(get_parent()->find_child("Network"));
+	DEV_ASSERT(m_NetworkInterface);
+
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerJoin, *this);
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerLeave, *this);
+	m_NetworkInterface->RegisterHandler(protocol::PacketType::PlayerPositionAndRotation, *this);
+}
+
+
+World::World() {}
+
+World::~World() {
+	if (Engine::get_singleton()->is_editor_hint())
+		return;
+
+	m_NetworkInterface->UnregisterHandler(*this);
+}
+
+Player* World::GetPlayerById(PlayerID a_PlayerId) {
+	String stringId = UtilityFunctions::var_to_str(a_PlayerId);
+	for (int i = 0; i < m_Players->get_child_count(); i++) {
+		Node* player = m_Players->get_child(i);
+		if (player->get_name() == stringId) {
+			return Object::cast_to<Player>(player);
+		}
+	}
+	return nullptr;
+}
+
+void World::HandlePacket(const protocol::packets::PlayerJoin& a_PlayerJoin) {
+	const protocol::PlayerInfo& playerInfo = a_PlayerJoin.m_Data.m_Player;
+	AddPlayer(playerInfo.m_PlayerId, playerInfo.m_PlayerName);
+}
+
+void World::HandlePacket(const protocol::packets::PlayerLeave& a_PlayerLeave) {
+	RemovePlayer(a_PlayerLeave.m_Data.m_PlayerId);
+}
+
+void World::HandlePacket(const protocol::packets::PlayerPositionAndRotation& a_PlayerPos) {
+	const auto& data = a_PlayerPos.m_Data;
+	if (data.m_Player == get_multiplayer()->get_unique_id() || data.m_Player != a_PlayerPos.m_Sender)
+		return;
+
+	SetPlayerPositionAndRotation(data.m_Player, data.m_Position, data.m_Rotation);
+}
+
+void World::AddPlayer(PlayerID a_PlayerId, String a_PlayerName) {
+	UtilityFunctions::print("New Player with id : ", a_PlayerId, " and name ", a_PlayerName);
+	if (a_PlayerId == get_multiplayer()->get_unique_id()) {
+		Ref<PackedScene> serverScene = ResourceLoader::get_singleton()->load(FirstPersonPlayerScenePath);
+		FirstPersonPlayer* player = Object::cast_to<FirstPersonPlayer>(serverScene->instantiate());
+		player->set_name(UtilityFunctions::var_to_str(a_PlayerId));
+		player->m_PeerId = a_PlayerId;
+		m_Players->add_child(player);
+	} else {
+		Ref<PackedScene> serverScene = ResourceLoader::get_singleton()->load(PlayerScenePath);
+		Player* player = Object::cast_to<Player>(serverScene->instantiate());
+		player->set_name(UtilityFunctions::var_to_str(a_PlayerId));
+		player->m_PeerId = a_PlayerId;
+		m_Players->add_child(player);
+	}
+}
+
+void World::RemovePlayer(PlayerID a_PlayerId) {
+	UtilityFunctions::print("Removing Player with id : ", a_PlayerId);
+	Player* player = GetPlayerById(a_PlayerId);
+	if (player) {
+		player->queue_free();
+	}
+}
+
+void World::SetPlayerPositionAndRotation(PlayerID a_PlayerId, const Vector3& a_Position, const Vector3& a_Rotation) {
+	Player* player = GetPlayerById(a_PlayerId);
+	if (player) {
+		player->set_position(a_Position);
+		player->SetCameraRotation(a_Rotation);
+	}
+}
+
+}  // namespace blitz