feat(scene): add host game scene and world parameter handling

include/Cubed/gameplay/chunk_generator.hpp

@@ -18,6 +18,7 @@ public:
     ChunkGenerator(ServerChunk& chunk);
 
     static void init();
+    static void init(unsigned seed);
     static void reload();
     static const unsigned& seed();
     static void seed(unsigned s);

include/Cubed/scene/host_game_scene.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "Cubed/scene/scene.hpp"
+#include "Cubed/ui/host_game_ui.hpp"
+namespace Cubed {
+class SceneManager;
+class HostGameScene : public Scene {
+public:
+    HostGameScene(SceneManager& scene_manager);
+    ~HostGameScene();
+
+    HostGameScene(const HostGameScene&) = delete;
+    HostGameScene(HostGameScene&&) = delete;
+    HostGameScene& operator=(const HostGameScene&) = delete;
+    HostGameScene& operator=(HostGameScene&&) = delete;
+
+    void update(float dt) override;
+    void render(Renderer& renderer) override;
+    bool handle_event(const Event& e) override;
+    void on_enter() override;
+    void on_leave() override;
+    void on_re_enter() override;
+    SceneManager& scene_manager();
+
+private:
+    SceneManager& m_scene_manager;
+    HostGameUI m_ui;
+};
+} // namespace Cubed

include/Cubed/scene/scene.hpp

@@ -3,7 +3,7 @@
 namespace Cubed {
 class Renderer;
 
-enum class SceneType { MAIN_MENU, WORLD, CREDITS, SETTINGS };
+enum class SceneType { MAIN_MENU, WORLD, CREDITS, SETTINGS, HOST_GAME };
 
 class Scene {
 public:

include/Cubed/scene/scene_manager.hpp

@@ -6,6 +6,14 @@
 #include <vector>
 namespace Cubed {
 class App;
+
+struct WorldSceneParam {
+    bool host_game = true;
+    std::optional<unsigned> seed = std::nullopt;
+    std::string ip{"127.0.0.1"};
+    int port = 25530;
+};
+
 class SceneManager {
 public:
     SceneManager(const SceneManager&) = delete;
@@ -25,6 +33,7 @@ public:
     void request_pop();
 
     App& app();
+    WorldSceneParam& world_scene_param();
 
 private:
     enum class OperationType { PUSH, POP, CHANGE };
@@ -34,6 +43,7 @@ private:
     };
 
     App& m_app;
+    WorldSceneParam m_world_param;
     std::vector<std::unique_ptr<Scene>> m_pending_delete_scene;
     std::optional<SceneOperation> m_operation;
     std::stack<std::unique_ptr<Scene>> m_scenes;

include/Cubed/ui/host_game_ui.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Cubed/ui/ui_manager.hpp"
+namespace Cubed {
+class HostGameScene;
+class HostGameUI : public UIManager {
+public:
+    HostGameUI(HostGameScene& scene);
+
+    void init() override;
+    void on_re_enter();
+
+private:
+    HostGameScene& m_scene;
+};
+} // namespace Cubed

src/CMakeLists.txt

@@ -78,4 +78,7 @@ target_sources(${PROJECT_NAME}
         scene/settings_scene.cpp
         ui/combo_button.cpp
         ui/text_field.cpp
+        scene/host_game_scene.cpp
+        scene/join_game_scene.cpp
+        ui/host_game_ui.cpp
 )

src/gameplay/chunk_generator.cpp

@@ -109,7 +109,11 @@ ChunkGenerator::ChunkGenerator(ServerChunk& chunk) : m_chunk(chunk) {
 
 void ChunkGenerator::init() {
     std::random_device d;
-    m_generator_seed = d();
+    init(d());
+}
+
+void ChunkGenerator::init(unsigned seed) {
+    m_generator_seed = seed;
     Logger::info("Chunk Generator Seed {}", m_generator_seed);
     PerlinNoise3D::init(m_generator_seed);
     PerlinNoise2D::init(m_generator_seed);

src/scene/host_game_scene.cpp

@@ -0,0 +1,18 @@
+#include "Cubed/scene/host_game_scene.hpp"
+
+namespace Cubed {
+HostGameScene::HostGameScene(SceneManager& scene_manager)
+    : m_scene_manager(scene_manager), m_ui(*this) {}
+HostGameScene::~HostGameScene() {}
+
+void HostGameScene::update(float dt) { m_ui.update(dt); }
+void HostGameScene::render(Renderer& renderer) { m_ui.render(renderer); }
+bool HostGameScene::handle_event(const Event& e) {
+    return m_ui.handle_event(e);
+}
+void HostGameScene::on_enter() { m_ui.init(); }
+void HostGameScene::on_leave() {}
+void HostGameScene::on_re_enter() { m_ui.on_re_enter(); }
+SceneManager& HostGameScene::scene_manager() { return m_scene_manager; }
+
+} // namespace Cubed

src/scene/scene_manager.cpp

@@ -1,6 +1,7 @@
 #include "Cubed/scene/scene_manager.hpp"
 
 #include "Cubed/scene/credits_scene.hpp"
+#include "Cubed/scene/host_game_scene.hpp"
 #include "Cubed/scene/main_menu_scene.hpp"
 #include "Cubed/scene/settings_scene.hpp"
 #include "Cubed/scene/world_scene.hpp"
@@ -97,6 +98,8 @@ std::unique_ptr<Scene> SceneManager::create_scene(SceneType type) {
         return std::make_unique<CreditsScene>(*this);
     case SceneType::SETTINGS:
         return std::make_unique<SettingsScene>(*this);
+    case SceneType::HOST_GAME:
+        return std::make_unique<HostGameScene>(*this);
     }
 
     std::string err = std::format("Unknown Scene");
@@ -105,4 +108,5 @@ std::unique_ptr<Scene> SceneManager::create_scene(SceneType type) {
 }
 
 App& SceneManager::app() { return m_app; }
+WorldSceneParam& SceneManager::world_scene_param() { return m_world_param; }
 } // namespace Cubed

src/scene/world_scene.cpp

@@ -97,15 +97,20 @@ bool WorldScene::handle_event(const Event& e) {
         e);
 }
 void WorldScene::on_enter() {
+    auto& param = m_scene_manager.world_scene_param();
+    if (param.seed) {
+        ChunkGenerator::init(*param.seed);
+        param.seed = std::nullopt;
+    } else {
+        ChunkGenerator::init();
+    }
 
-    ChunkGenerator::init();
+    if (param.host_game) {
-
+        m_server.start_server(param.port);
-    if (!m_argument.is_client) {
-        m_server.start_server(m_argument.port);
     }
     m_client = std::make_shared<NetworkClient>(m_client_world);
 
-    m_client->start(m_argument.ip, m_argument.port);
+    m_client->start(param.ip, param.port);
     // init will send packet
     m_client_world.init(m_argument.player, m_client);
 

src/ui/host_game_ui.cpp

@@ -0,0 +1,92 @@
+#include "Cubed/ui/host_game_ui.hpp"
+
+#include "Cubed/app.hpp"
+#include "Cubed/scene/host_game_scene.hpp"
+#include "Cubed/scene/scene_manager.hpp"
+#include "Cubed/ui/button.hpp"
+#include "Cubed/ui/column_layout.hpp"
+#include "Cubed/ui/image.hpp"
+#include "Cubed/ui/text_field.hpp"
+namespace Cubed {
+HostGameUI::HostGameUI(HostGameScene& scene) : m_scene(scene) {}
+void HostGameUI::init() {
+    auto bi = std::make_unique<Image>(nullptr);
+    auto& renderer = m_scene.scene_manager().app().renderer();
+    auto& texture_manager = m_scene.scene_manager().app().texture_manager();
+
+    bi->set_window_size(renderer.window_width(), renderer.window_height());
+    bi->set_anchor(Anchor::TOP_LEFT);
+    bi->set_image("texture/ui/background.png", texture_manager);
+    bi->set_fill(true);
+
+    auto& rect = bi->add_child<Rect>();
+    rect.set_fill(true);
+    rect.set_alpha(0.7f);
+    rect.set_color(Color::BLACK);
+
+    auto& layout = rect.add_child<ColumnLayout>();
+    layout.set_anchor(Anchor::CENTER);
+    layout.set_offset({0, 20});
+    layout.set_spacing(20.0f);
+    auto& param = m_scene.scene_manager().world_scene_param();
+    param.host_game = true;
+    {
+        auto& text_seed = layout.add_child<TextField>();
+        text_seed.set_show_text("WorldSeed");
+        text_seed.set_default_image(texture_manager);
+        text_seed.set_on_finish([this, &text_seed]() {
+            unsigned seed = 0;
+            auto& text = text_seed.input_text();
+            auto r =
+                std::from_chars(text.data(), text.data() + text.size(), seed);
+
+            if (r.ec != std::errc{} || r.ptr != text.data() + text.size()) {
+                Logger::error("Invalid seed: {}", text);
+                return;
+            }
+            m_scene.scene_manager().world_scene_param().seed = seed;
+        });
+    }
+    {
+        auto& text_port = layout.add_child<TextField>();
+        text_port.set_default_image(texture_manager);
+        text_port.set_show_text("Port");
+        text_port.set_on_finish([this, &text_port]() {
+            int port = 25530;
+            auto& text = text_port.input_text();
+            auto r =
+                std::from_chars(text.data(), text.data() + text.size(), port);
+            if (r.ec != std::errc{} || r.ptr != text.data() + text.size()) {
+                Logger::error("Invalid port: {}", text);
+                return;
+            }
+            if (port > 65535 || port < 0) {
+
+                Logger::error("Port {} out of range", port);
+                return;
+            }
+            m_scene.scene_manager().world_scene_param().port = port;
+        });
+    }
+    {
+        auto& button = layout.add_child<Button>();
+        button.set_default_image(texture_manager);
+        button.set_text("Start Game");
+        button.set_clicked([this, &button]() {
+            button.set_enable(false);
+            m_scene.scene_manager().request_change(SceneType::WORLD);
+        });
+    }
+    {
+        auto& button = layout.add_child<Button>();
+        button.set_default_image(texture_manager);
+        button.set_text("Return");
+        button.set_clicked([this, &button]() {
+            button.set_enable(false);
+            m_scene.scene_manager().request_pop();
+        });
+    }
+    m_root_widget = std::move(bi);
+}
+void HostGameUI::on_re_enter() {}
+} // namespace Cubed

src/ui/main_menu_ui_manager.cpp

@@ -32,10 +32,10 @@ void MainMenuUIManager::init() {
 
         start_game_button.set_background_image("texture/ui/button001.png",
                                                texture_manager);
-        start_game_button.set_text("Start Game");
+        start_game_button.set_text("Host Game");
         start_game_button.set_clicked([this, &start_game_button]() {
             start_game_button.set_enable(false);
-            m_scene.scene_manager().request_push(SceneType::WORLD);
+            m_scene.scene_manager().request_push(SceneType::HOST_GAME);
         });
         m_pending_enable.emplace_back(&start_game_button);
     }
@@ -67,7 +67,7 @@ void MainMenuUIManager::init() {
         auto& exit_game = layout.add_child<Button>();
         exit_game.set_background_image("texture/ui/button001.png",
                                        texture_manager);
-        exit_game.set_text("Exit");
+        exit_game.set_text("Quit");
 
         exit_game.set_clicked([this]() {
             m_scene.scene_manager().app().window().should_close_window();
@@ -76,11 +76,18 @@ void MainMenuUIManager::init() {
     m_widgets.try_emplace("background", image.get());
     m_widgets.try_emplace("main menu layout", &layout);
     {
+        constexpr float SCALE = 0.5f;
         auto& info_layout = image->add_child<ColumnLayout>();
         info_layout.set_anchor(Anchor::BOTTOM_LEFT);
         info_layout.set_spacing(10);
+        info_layout.set_child_anchor(ColumnLayoutAnchor::LEFT);
+        auto& player_name = info_layout.add_child<Label>();
+        player_name.set_scale(SCALE);
+        player_name.set_text(std::format(
+            "Player: {}", m_scene.scene_manager().app().argument().player));
+
         auto& version = info_layout.add_child<Label>();
-        version.set_scale(0.5f);
+        version.set_scale(SCALE);
         std::string version_str = "Cubed: " CUBED_VERSION;
 #ifdef DEBUG_MODE
         version_str.append("-debug");