Files
Cubed/src/gameplay/client_world.cpp
2026-06-27 17:48:57 +08:00

595 lines
19 KiB
C++

#include "Cubed/gameplay/client_world.hpp"
#include "Cubed/config.hpp"
#include "Cubed/gameplay/game_time.hpp"
#include "Cubed/gameplay/packet.hpp"
#include <numbers>
using namespace std::chrono;
using namespace std::chrono_literals;
using namespace google::protobuf;
namespace Cubed {
namespace {
struct ChunkRenderData {
std::array<const std::vector<BlockType>*, 4> neighbor_block;
ClientChunk* chunk;
};
} // namespace
ClientWorld::ClientWorld() : m_player(*this) {}
ClientWorld::~ClientWorld() {
stop_client_thread();
stop_thread_pool();
{
std::lock_guard lock(m_chunks_mutex);
m_chunks.clear();
}
{
std::lock_guard lk(m_delete_vbo_mutex);
for (auto x : m_pending_delete_vbo) {
glDeleteBuffers(1, &x);
}
m_pending_delete_vbo.clear();
}
{
std::lock_guard lk(m_delete_vao_mutex);
for (auto x : m_pending_delete_vao) {
glDeleteVertexArrays(1, &x);
}
m_pending_delete_vao.clear();
}
m_timers.clear();
}
const std::optional<LookBlock>&
ClientWorld::get_look_block_pos(const std::string& name) const {
return m_player.get_look_block_pos();
}
ClientPlayer& ClientWorld::get_player() { return m_player; }
int ClientWorld::get_block(const glm::ivec3& block_pos) const {
auto [chunk_x, chunk_z] = get_chunk_pos(block_pos.x, block_pos.z);
std::shared_lock lk(m_chunks_mutex);
auto it = m_chunks.find(ChunkPos{chunk_x, chunk_z});
if (it == m_chunks.end()) {
return 0;
}
const auto& chunk_blocks = it->second.get_chunk_blocks();
auto [x, y, z] = ClientChunk::world_to_block(block_pos, {chunk_x, chunk_z});
if (x < 0 || y < 0 || z < 0 || x >= CHUNK_SIZE || y >= WORLD_SIZE_Y ||
z >= CHUNK_SIZE) {
return 0;
}
return chunk_blocks[ClientChunk::index(x, y, z)];
}
bool ClientWorld::is_solid(const glm::ivec3& block_pos) const {
auto [chunk_x, chunk_z] = get_chunk_pos(block_pos.x, block_pos.z);
std::shared_lock lk(m_chunks_mutex);
auto it = m_chunks.find(ChunkPos{chunk_x, chunk_z});
if (it == m_chunks.end()) {
return false;
}
const auto& chunk_blocks = it->second.get_chunk_blocks();
auto [x, y, z] = ClientChunk::world_to_block(block_pos, {chunk_x, chunk_z});
if (x < 0 || y < 0 || z < 0 || x >= CHUNK_SIZE || y >= WORLD_SIZE_Y ||
z >= CHUNK_SIZE) {
return false;
}
auto id = chunk_blocks[ClientChunk::index(x, y, z)];
if (BlockManager::is_gas(id) || BlockManager::is_liquid(id)) {
return false;
} else {
return true;
}
}
bool ClientWorld::can_pass_block(const glm::ivec3& block_pos) const {
auto [chunk_x, chunk_z] = get_chunk_pos(block_pos.x, block_pos.z);
std::shared_lock lk(m_chunks_mutex);
auto it = m_chunks.find(ChunkPos{chunk_x, chunk_z});
if (it == m_chunks.end()) {
return true;
}
const auto& chunk_blocks = it->second.get_chunk_blocks();
auto [x, y, z] = ClientChunk::world_to_block(block_pos, {chunk_x, chunk_z});
if (x < 0 || y < 0 || z < 0 || x >= CHUNK_SIZE || y >= WORLD_SIZE_Y ||
z >= CHUNK_SIZE) {
return true;
}
auto id = chunk_blocks[ClientChunk::index(x, y, z)];
return BlockManager::is_passable(id);
}
void ClientWorld::rebuild_world() {
if (m_is_rebuilding.exchange(true)) {
return;
}
stop_thread_pool();
{
std::lock_guard lk(m_chunks_mutex);
m_chunks.clear();
}
{
std::lock_guard lock(m_pending_upload_queue_mutex);
m_pending_upload_queue.clear();
}
start_thread_pool();
request_chunk();
m_is_rebuilding = false;
}
BlockType ClientWorld::get_block_tpye(const glm::ivec3& block_pos) const {
auto [chunk_x, chunk_z] = get_chunk_pos(block_pos.x, block_pos.z);
std::shared_lock lk(m_chunks_mutex);
auto it = m_chunks.find(ChunkPos{chunk_x, chunk_z});
if (it == m_chunks.end()) {
// Logger::error("Can't Find Block {} {} {}", block_pos.x, block_pos.y,
// block_pos.z);
return 0;
}
const auto& chunk_blocks = it->second.get_chunk_blocks();
auto [x, y, z] = ClientChunk::world_to_block(block_pos, {chunk_x, chunk_z});
if (x < 0 || y < 0 || z < 0 || x >= CHUNK_SIZE || y >= WORLD_SIZE_Y ||
z >= CHUNK_SIZE) {
// Logger::error("Can't Find Block {} {} {}", block_pos.x, block_pos.y,
// block_pos.z);
return 0;
}
return chunk_blocks[ClientChunk::index(x, y, z)];
}
void ClientWorld::set_block(const glm::ivec3& block_pos, unsigned id) {
int world_x, world_y, world_z;
world_x = block_pos.x;
world_y = block_pos.y;
world_z = block_pos.z;
auto [chunk_x, chunk_z] = get_chunk_pos(world_x, world_z);
std::lock_guard lk(m_chunks_mutex);
auto it = m_chunks.find(ChunkPos{chunk_x, chunk_z});
if (it == m_chunks.end()) {
return;
}
auto [x, y, z] = ClientChunk::world_to_block(world_x, world_y, world_z,
chunk_x, chunk_z);
if (x < 0 || y < 0 || z < 0 || x >= CHUNK_SIZE || y >= WORLD_SIZE_Y ||
z >= CHUNK_SIZE) {
return;
}
it->second.set_chunk_block(ClientChunk::index(x, y, z), id);
static const glm::ivec3 NEIGHBOR_DIRS[] = {
{1, 0, 0}, {-1, 0, 0}, {0, 0, -1}, {0, 0, 1}};
for (const auto& dir : NEIGHBOR_DIRS) {
glm::ivec3 neighbor = block_pos + dir;
auto [cx, cz] = get_chunk_pos(neighbor.x, neighbor.z);
auto it = m_chunks.find({cx, cz});
if (it != m_chunks.end()) {
it->second.mark_dirty();
}
}
}
void ClientWorld::push_delete_vbo(GLuint vbo) {
std::lock_guard lk(m_delete_vbo_mutex);
m_pending_delete_vbo.push_back(vbo);
}
void ClientWorld::push_delete_vao(GLuint vao) {
std::lock_guard lk(m_delete_vao_mutex);
m_pending_delete_vao.push_back(vao);
}
void ClientWorld::report_block_change(const glm::ivec3& pos,
unsigned id) const {
Arena arena;
auto* req = Arena::Create<BlockChangeReq>(&arena);
req->set_uuid(m_player.get_uuid());
req->set_block(id);
auto* p = req->mutable_pos();
p->set_x(pos.x);
p->set_y(pos.y);
p->set_z(pos.z);
m_client->send(make_packet(*req));
}
void ClientWorld::receive_block_change(const BlockChangeRsp& rsp) {
glm::vec3 pos{rsp.pos().x(), rsp.pos().y(), rsp.pos().z()};
set_block(pos, rsp.block());
}
void ClientWorld::receive_time(const UpdateTime& rsp) {
m_game_ticks = rsp.game_tick();
m_day_tick = rsp.day_tick();
}
void ClientWorld::receive_remote_player(const PlayerInfoRsp& rsp) {
{
std::lock_guard lock(m_other_players_mutex);
glm::vec3 pos{rsp.pos().x(), rsp.pos().y(), rsp.pos().z()};
auto it = m_other_players.find(rsp.uuid());
if (it == m_other_players.end()) {
m_other_players.emplace(
std::piecewise_construct, std::forward_as_tuple(rsp.uuid()),
std::forward_as_tuple(rsp.name(), pos, pos));
} else {
it->second.target_pos = pos;
}
// Logger::info("Player {} pos Update", rsp.name());
}
}
void ClientWorld::receive_player_logout(const LogoutRsp& rsp) {
{
std::lock_guard lock(m_other_players_mutex);
int sum = m_other_players.erase(rsp.uuid());
if (sum == 0) {
Logger::warn("Player {} not find", rsp.uuid());
} else {
Logger::info("Player {} erase", rsp.uuid());
}
}
}
void ClientWorld::init(std::string_view player_name,
std::shared_ptr<NetworkClient> client) {
m_chunks.reserve(MAX_DISTANCE * MAX_DISTANCE * 4);
m_player.init(player_name);
m_client = client;
// timer
register_timer("player_pos", 1, [this]() { report_player_pos(); });
LoginReq req;
req.set_name(m_player.get_name());
while (!client->is_connected()) {
if (client->is_connect_error()) {
throw std::runtime_error("Can't connect to the server");
}
std::this_thread::sleep_for(milliseconds(200));
}
start_thread_pool();
// request login
Logger::info("Send Login Request");
m_client->send(make_packet(req));
}
void ClientWorld::start_client_thread(std::string_view uuid) {
if (m_game_running) {
Logger::error("Game Already Running");
return;
}
// response
m_player.set_uuid(uuid);
m_client_thread = std::jthread([this](std::stop_token token) {
m_game_running = true;
client_run(token);
});
request_chunk();
}
void ClientWorld::stop_client_thread() {
m_client_thread.request_stop();
if (m_client_thread.joinable()) {
m_client_thread.join();
}
m_game_running = false;
}
void ClientWorld::start_thread_pool() {
int max_threads = std::thread::hardware_concurrency();
int threads = std::min<size_t>(max_threads, 4);
change_pool_threads(threads);
}
void ClientWorld::stop_thread_pool() {
auto pool_ptr = m_thread_pool.load();
if (pool_ptr) {
pool_ptr->stop();
}
m_thread_pool.store(nullptr);
Logger::info("Thread Pool Stopped");
}
void ClientWorld::change_pool_threads(int threads) {
int m_max_threads = std::thread::hardware_concurrency();
if (m_max_threads < 1) {
Logger::warn("Can't Get Max Support Threads, Set Max Threads to 4");
m_max_threads = 1;
}
int used_thread = std::clamp(threads, 1, m_max_threads);
Logger::info("Create New Thread Pool Use {} Threads", used_thread);
m_thread_pool.store(std::make_shared<ThreadPool>(used_thread));
}
void ClientWorld::hot_reload() {
auto& config = Config::get();
int dist = config.get<int>("world.rendering_distance");
Logger::info("Get Config Randering dist {}", dist);
m_rendering_distance = dist <= MAX_DISTANCE ? dist : MAX_DISTANCE;
request_chunk();
}
void ClientWorld::client_run(std::stop_token stoken) {
Logger::info("Client Thread Started");
using Clock = std::chrono::steady_clock;
constexpr auto TICK = std::chrono::milliseconds(DEFAULT_PER_TICK_TIME);
auto next = Clock::now();
while (!stoken.stop_requested()) {
next += TICK;
for (auto& x : m_timers) {
x.second.update();
}
std::this_thread::sleep_until(next);
}
}
void ClientWorld::report_player_pos() {
if (!m_client) {
return;
}
Arena arena;
auto* pos = Arena::Create<PlayerPos>(&arena);
pos->set_uuid(m_player.get_uuid());
glm::vec3 player_pos = m_player.get_player_pos();
auto* v3 = pos->mutable_pos();
v3->set_x(player_pos.x);
v3->set_y(player_pos.y);
v3->set_z(player_pos.z);
m_client->send(make_packet(*pos));
}
void ClientWorld::request_chunk() {
if (m_requesting_chunk.exchange(true)) {
Logger::warn("It is requesting new chunk!");
return;
}
ChunkPosSet required_chunks;
glm::vec3 player_pos = m_player.get_player_pos();
int x = std::floor(player_pos.x);
int z = std::floor(player_pos.z);
auto [chunk_x, chunk_z] = get_chunk_pos(x, z);
int radius = m_rendering_distance;
Logger::info("Client Chunk Radius {}", radius);
int r2 = radius * radius;
required_chunks.reserve(radius * radius);
for (int dx = -radius; dx <= radius; ++dx) {
for (int dz = -radius; dz <= radius; ++dz) {
if (dx * dx + dz * dz <= r2) {
required_chunks.emplace(chunk_x + dx, chunk_z + dz);
}
}
}
ChunkPosVector need_send_pos;
{
std::lock_guard lk(m_chunks_mutex);
for (auto it = m_chunks.begin(); it != m_chunks.end();) {
if (required_chunks.find(it->first) == required_chunks.end()) {
it = m_chunks.unsafe_erase(it);
} else {
++it;
}
}
for (auto pos : required_chunks) {
auto it = m_chunks.find(pos);
if (it == m_chunks.end()) {
need_send_pos.emplace_back(pos);
}
}
}
if (need_send_pos.empty()) {
m_requesting_chunk = false;
return;
}
using enum ChunkLoadStyle;
switch (m_chunk_load_style) {
case RANDOM:
break;
case CENTER: {
glm::vec3 player_pos = m_player.get_player_pos();
auto dist2 = [player_pos](ChunkPos chunk_pos) {
ChunkPos player_chunk_pos =
get_chunk_pos(player_pos.x, player_pos.z);
float dx = player_chunk_pos.x - chunk_pos.x;
float dz = player_chunk_pos.z - chunk_pos.z;
return dx * dx + dz * dz;
};
std::sort(need_send_pos.begin(), need_send_pos.end(),
[&dist2](const auto& a, const auto& b) {
return dist2(a) < dist2(b);
});
}
}
auto uuid = m_player.get_uuid();
Arena arena;
++m_chunk_task_id;
auto* req = Arena::Create<ChunkDataReq>(&arena);
for (const auto& pos : need_send_pos) {
req->set_task_id(m_chunk_task_id.load());
req->set_uuid(uuid);
auto* p = req->mutable_pos();
p->set_x(pos.x);
p->set_z(pos.z);
m_client->send(make_packet(*req));
}
Logger::info("Send Chunk Request Success");
m_requesting_chunk = false;
}
void ClientWorld::receive_chunk(ChunkDataRsp data) {
if (data.task_id() < m_chunk_task_id) {
return;
}
{
std::lock_guard lock(m_chunks_mutex);
ChunkPos pos{data.pos().x(), data.pos().z()};
if (m_chunks.find(pos) != m_chunks.end()) {
Logger::warn("Chunk {} {} has already in client world", pos.x,
pos.z);
return;
}
}
// vertex data will genrator in client thread pool instead of net thread;
auto pool = m_thread_pool.load();
if (!pool) {
Logger::error("Client Thread Pool is nullptr");
return;
}
pool->enqueue([this, data = std::move(data)]() {
ClientChunk chunk{*this};
chunk.receive_chunk(data);
{
std::lock_guard lock(m_pending_upload_queue_mutex);
m_pending_upload_queue.emplace_back(std::move(chunk));
}
});
}
void ClientWorld::exit() {
Arena arena;
auto* req = Arena::Create<LogoutReq>(&arena);
req->set_uuid(m_player.get_uuid());
m_client->send(make_packet(*req));
}
void ClientWorld::update(float delta_time) {
m_player.update(delta_time);
{
std::lock_guard lk(m_delete_vbo_mutex);
for (auto x : m_pending_delete_vbo) {
glDeleteBuffers(1, &x);
}
m_pending_delete_vbo.clear();
}
{
std::lock_guard lk(m_delete_vao_mutex);
for (auto x : m_pending_delete_vao) {
glDeleteVertexArrays(1, &x);
}
m_pending_delete_vao.clear();
}
std::vector<ClientChunk> new_chunks;
{
std::lock_guard lock(m_pending_upload_queue_mutex);
for (auto& c : m_pending_upload_queue) {
// Logger::info("{} {}", c.get_chunk_pos().x, c.get_chunk_pos().z);
new_chunks.emplace_back(std::move(c));
}
m_pending_upload_queue.clear();
}
for (auto& c : new_chunks) {
c.upload_to_gpu();
}
{
std::lock_guard lock(m_chunks_mutex);
for (auto& c : new_chunks) {
m_chunks.emplace(c.get_chunk_pos(), std::move(c));
}
m_render_snapshots.clear();
for (auto& [pos, chunk] : m_chunks) {
if (chunk.is_dirty()) {
// the curial fator influence
OptionalBlockVectorArray neighbor_block;
for (int i = 0; i < 4; i++) {
auto it = m_chunks.find(pos + CHUNK_DIR[i]);
if (it != m_chunks.end()) {
neighbor_block[i] = (it->second.get_chunk_blocks());
} else {
neighbor_block[i] = std::nullopt;
}
}
chunk.gen_vertex_data(neighbor_block);
chunk.upload_to_gpu();
}
if (!chunk.is_dirty()) {
if (chunk.is_need_upload()) {
chunk.upload_to_gpu();
}
m_render_snapshots.push_back(
{chunk.get_normal_vao(), chunk.get_normal_vertices_sum(),
chunk.get_cross_vao(), chunk.get_cross_vertices_sum(),
chunk.get_normal_discard_vao(),
chunk.get_normal_discard_vertices_sum(),
chunk.get_normal_blend_vao(),
chunk.get_normal_blend_vertices_sum(),
chunk.get_water_vao(), chunk.get_water_vertices_sum(),
glm::vec3(static_cast<float>(pos.x * CHUNK_SIZE) +
static_cast<float>(CHUNK_SIZE / 2),
static_cast<float>(WORLD_SIZE_Y / 2),
static_cast<float>(pos.z * CHUNK_SIZE) +
static_cast<float>(CHUNK_SIZE / 2)),
glm::vec3(static_cast<float>(CHUNK_SIZE / 2),
static_cast<float>(WORLD_SIZE_Y / 2),
static_cast<float>(CHUNK_SIZE / 2))});
}
}
}
m_render_player_data.clear();
{
std::lock_guard lock(m_other_players_mutex);
for (auto& [uuid, player] : m_other_players) {
player.render_pos =
glm::mix(player.render_pos, player.target_pos, 0.15f);
m_render_player_data.emplace_back(player.name, player.render_pos);
}
}
}
glm::vec3 ClientWorld::sunlight_dir() const {
float altitude = sin((m_day_tick - 6 * PER_HOUR) /
static_cast<float>(DAY_TIME / 2) * std::numbers::pi) *
90.0f;
float t = static_cast<float>(m_day_tick) / DAY_TIME;
float azimuth = 90.0f - 360.0f * (t - 0.25f);
float alt = glm::radians(altitude);
float az = glm::radians(azimuth);
glm::vec3 dir;
dir.x = cos(alt) * sin(az);
dir.y = sin(alt);
dir.z = cos(alt) * cos(az);
return glm::normalize(-dir);
}
int ClientWorld::rendering_distance() const {
return m_rendering_distance.load();
}
void ClientWorld::rendering_distance(int rendering_distance) {
m_rendering_distance = rendering_distance;
Logger::info("Set Rendering dist {} , the value is {}", rendering_distance,
m_rendering_distance.load());
request_chunk();
}
int ClientWorld::get_chunk_task_id() const { return m_chunk_task_id.load(); }
const std::vector<ChunkRenderSnapshot>& ClientWorld::render_snapshots() const {
return m_render_snapshots;
};
const std::vector<RemotePlayerRenderData>&
ClientWorld::render_player_data() const {
return m_render_player_data;
}
std::vector<glm::vec4>& ClientWorld::planes() { return m_planes; }
} // namespace Cubed