Adapt for web

proj-web/CMakeLists.txt

@@ -115,12 +115,15 @@ set(EMSCRIPTEN_FLAGS
 
 target_compile_options(space-game001 PRIVATE ${EMSCRIPTEN_FLAGS} "-O2")
 
+# Only loading.png and the shaders used before resources.zip is ready are preloaded.
+# resources.zip is downloaded asynchronously at runtime and served as a separate file.
 set(EMSCRIPTEN_LINK_FLAGS
     ${EMSCRIPTEN_FLAGS}
     "-O2"
     "-sPTHREAD_POOL_SIZE=4"
     "-sALLOW_MEMORY_GROWTH=1"
-    "--preload-file resources.zip"
+    "--preload-file ${CMAKE_CURRENT_SOURCE_DIR}/../resources/loading.png@resources/loading.png"
+    "--preload-file ${CMAKE_CURRENT_SOURCE_DIR}/../resources/shaders@resources/shaders"
 )
 
 # Применяем настройки линковки
@@ -170,8 +173,8 @@ install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/space-game001plain.html"
         DESTINATION .
 )
 
-# Если вам все еще нужен сам resources.zip отдельно в папке public:
+# resources.zip is served separately and downloaded asynchronously at runtime
-#install(FILES "${RESOURCES_ZIP}" DESTINATION .)
+install(FILES "${RESOURCES_ZIP}" DESTINATION .)
 
 add_custom_command(TARGET space-game001 POST_BUILD
     COMMAND ${CMAKE_COMMAND} --install .

src/Game.cpp

@@ -23,6 +23,10 @@
 #endif
 #endif
 
+#ifdef EMSCRIPTEN
+#include <emscripten.h>
+#endif
+
 #include "network/LocalClient.h"
 #include "network/ClientState.h"
 
@@ -36,6 +40,22 @@ namespace ZL
 	const char* CONST_ZIP_FILE = "";
 #endif
 
+#ifdef EMSCRIPTEN
+	Game* Game::s_instance = nullptr;
+
+	void Game::onResourcesZipLoaded(const char* /*filename*/) {
+		if (s_instance) {
+			s_instance->mainThreadHandler.EnqueueMainThreadTask([&]() {
+				s_instance->setupPart2();
+			});
+		}
+	}
+
+	void Game::onResourcesZipError(const char* /*filename*/) {
+		std::cerr << "Failed to download resources.zip" << std::endl;
+	}
+#endif
+
 	Game::Game()
 		: window(nullptr)
 		, glContext(nullptr)
@@ -53,7 +73,11 @@ namespace ZL
 		if (window) {
 			SDL_DestroyWindow(window);
 		}
+#ifndef EMSCRIPTEN
+		// In Emscripten, SDL must stay alive across context loss/restore cycles
+		// so the window remains valid when the game object is re-created.
 		SDL_Quit();
+#endif
 	}
 
 	void Game::setup() {
@@ -64,21 +88,30 @@ namespace ZL
 		renderer.InitOpenGL();
 
 #ifdef EMSCRIPTEN
-		renderer.shaderManager.AddShaderFromFiles("defaultColor", "resources/shaders/defaultColor.vertex", "resources/shaders/defaultColor_web.fragment", CONST_ZIP_FILE);
+		// These shaders and loading.png are preloaded separately (not from zip),
-		renderer.shaderManager.AddShaderFromFiles("default", "resources/shaders/default.vertex", "resources/shaders/default_web.fragment", CONST_ZIP_FILE);
+		// so they are available immediately without waiting for resources.zip.
-
+		renderer.shaderManager.AddShaderFromFiles("defaultColor", "resources/shaders/defaultColor.vertex", "resources/shaders/defaultColor_web.fragment", "");
+		renderer.shaderManager.AddShaderFromFiles("default", "resources/shaders/default.vertex", "resources/shaders/default_web.fragment", "");
+		loadingTexture = std::make_unique<Texture>(CreateTextureDataFromPng("resources/loading.png", ""));
 #else
 		renderer.shaderManager.AddShaderFromFiles("defaultColor", "resources/shaders/defaultColor.vertex", "resources/shaders/defaultColor_desktop.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("default", "resources/shaders/default.vertex", "resources/shaders/default_desktop.fragment", CONST_ZIP_FILE);
+		loadingTexture = std::make_unique<Texture>(CreateTextureDataFromPng("resources/loading.png", CONST_ZIP_FILE));
 #endif
 
-		loadingTexture = std::make_unique<Texture>(CreateTextureDataFromPng("resources/loading.png", CONST_ZIP_FILE));
 		loadingMesh.data = CreateRect2D({ Environment::width * 0.5, Environment::height * 0.5 }, { Environment::width * 0.5, Environment::height*0.5 }, 3);
 		loadingMesh.RefreshVBO();
 
+#ifdef EMSCRIPTEN
+		// Asynchronously download resources.zip; setupPart2() is called on completion.
+		// The loading screen stays visible until the download finishes.
+		s_instance = this;
+		emscripten_async_wget("resources.zip", "resources.zip", onResourcesZipLoaded, onResourcesZipError);
+#else
 		mainThreadHandler.EnqueueMainThreadTask([this]() {
 			this->setupPart2();
-			});
+		});
+#endif
 	}
 
 
@@ -322,6 +355,8 @@ namespace ZL
 				// Обновляем размеры и сбрасываем кеш текстов, т.к. меши хранятся в пикселях
 				Environment::width = event.window.data1;
 				Environment::height = event.window.data2;
+				std::cout << "Window resized: " << Environment::width << "x" << Environment::height << std::endl;	
+
 				space.clearTextRendererCache();
 			}
 #endif

src/Game.h

@@ -54,6 +54,12 @@ namespace ZL {
 		void handleUp(int mx, int my);
 		void handleMotion(int mx, int my);
 
+#ifdef EMSCRIPTEN
+		static Game* s_instance;
+		static void onResourcesZipLoaded(const char* filename);
+		static void onResourcesZipError(const char* filename);
+#endif
+
 		SDL_Window* window;
 		SDL_GLContext glContext;
 

src/MenuManager.cpp

@@ -183,8 +183,8 @@ namespace ZL {
 			}
 			});
 
-		uiManager.setButtonCallback("multiplayerButton2", [this](const std::string& name) {
+		uiManager.setButtonCallback("multiplayerButton2", [this, shipSelectionRoot, loadGameplayUI](const std::string& name) {
-			std::cerr << "Multiplayer button pressed → opening multiplayer menu\n";
+			/*std::cerr << "Multiplayer button pressed → opening multiplayer menu\n";
 
 			uiManager.startAnimationOnNode("playButton", "buttonsExit");
 			uiManager.startAnimationOnNode("settingsButton", "buttonsExit");
@@ -219,6 +219,37 @@ namespace ZL {
 			}
 			else {
 				std::cerr << "Failed to load multiplayer menu\n";
+			}*/
+		std::cerr << "Single button pressed: " << name << " -> open ship selection UI\n";
+			if (!shipSelectionRoot) {
+				std::cerr << "Failed to load ship selection UI\n";
+				return;
+			}
+			if (uiManager.pushMenuFromSavedRoot(shipSelectionRoot)) {
+				uiManager.setButtonCallback("spaceshipButton", [this, loadGameplayUI](const std::string& btnName) {
+					std::string nick = uiManager.getTextFieldValue("nicknameInput");
+					if (nick.empty()) nick = "Player";
+					int shipType = 0;
+					uiManager.popMenu();
+					loadGameplayUI();
+					if (onSingleplayerPressed) onSingleplayerPressed(nick, shipType);
+					});
+
+				uiManager.setButtonCallback("cargoshipButton", [this, loadGameplayUI](const std::string& btnName) {
+					std::string nick = uiManager.getTextFieldValue("nicknameInput");
+					if (nick.empty()) nick = "Player";
+					int shipType = 1;
+					uiManager.popMenu();
+					loadGameplayUI();
+					if (onSingleplayerPressed) onSingleplayerPressed(nick, shipType);
+					});
+
+				uiManager.setButtonCallback("backButton", [this](const std::string& btnName) {
+					uiManager.popMenu();
+					});
+			}
+			else {
+				std::cerr << "Failed to push ship selection menu\n";
 			}
 			});
 		uiManager.setButtonCallback("exitButton", [](const std::string& name) {

src/Space.cpp

@@ -616,13 +616,11 @@ namespace ZL
 	}
 
 	void Space::drawRemoteShips() {
-		// Используем те же константы имен для шейдеров, что и в drawShip
 		static const std::string defaultShaderName = "default";
 		static const std::string vPositionName = "vPosition";
 		static const std::string vTexCoordName = "vTexCoord";
 		static const std::string textureUniformName = "Texture";
 
-		// Активируем шейдер и текстуру (предполагаем, что меш у всех одинаковый)
 		renderer.shaderManager.PushShader(defaultShaderName);
 		renderer.RenderUniform1i(textureUniformName, 0);
 
@@ -633,10 +631,6 @@ namespace ZL
 			static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
 			Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
 
-		// Биндим текстуру корабля один раз для <20>?сех правильных игроков
-		// ?????????: ?????? ???????? ?????????? ?????? ????? ? ??????????? ?? ClientState.shipType
-
-		// Если сервер прислал коробки, применяем их однократно вместо локальной генерации
 		if (!serverBoxesApplied && networkClient) {
 			auto sboxes = networkClient->getServerBoxes();
 			auto destroyedFlags = networkClient->getServerBoxDestroyedFlags();
@@ -664,7 +658,6 @@ namespace ZL
 			}
 		}
 
-		// Итерируемся по актуальным данным из extrapolateRemotePlayers
 		for (auto const& [id, remotePlayer] : remotePlayerStates) {
 
 			const ClientState& playerState = remotePlayer;
@@ -674,7 +667,7 @@ namespace ZL
 			renderer.LoadIdentity();
 
 			renderer.TranslateMatrix({ 0,0, -1.0f * Environment::zoom });
-			renderer.TranslateMatrix({ 0, -6.f, 0 }); //Ship camera offset
+			//renderer.TranslateMatrix({ 0, -6.f, 0 }); //Ship camera offset
 			renderer.RotateMatrix(Environment::inverseShipMatrix);
 			renderer.TranslateMatrix(-Environment::shipState.position);
 
@@ -682,7 +675,6 @@ namespace ZL
 			Eigen::Vector3f relativePos = playerState.position;// -Environment::shipPosition;
 			renderer.TranslateMatrix(relativePos);
 
-			// 3. Поворот врага
 			renderer.RotateMatrix(playerState.rotation);
 
 			if (playerState.shipType == 1 && cargoTexture) {

src/main.cpp

@@ -5,15 +5,87 @@
 #include <android/log.h>
 #endif
 
+#ifdef EMSCRIPTEN
+#include <emscripten.h>
+#include <emscripten/html5.h>
+#endif
 
+
+// For Emscripten the game is heap-allocated so it can be destroyed and
+// re-created when the WebGL context is lost and restored (e.g. fullscreen).
+// For Android and Desktop a plain global value is used (no context loss).
+#ifdef EMSCRIPTEN
+ZL::Game* g_game = nullptr;
+#else
 ZL::Game game;
+#endif
 
 
 void MainLoop() {
+#ifdef EMSCRIPTEN
+    if (g_game) g_game->update();
+#else
     game.update();
+#endif
 }
 
 
+#ifdef EMSCRIPTEN
+
+EM_BOOL onWebGLContextLost(int /*eventType*/, const void* /*reserved*/, void* /*userData*/) {
+    delete g_game;
+    g_game = nullptr;
+    return EM_TRUE;
+}
+
+EM_BOOL onWebGLContextRestored(int /*eventType*/, const void* /*reserved*/, void* /*userData*/) {
+    g_game = new ZL::Game();
+    g_game->setup();
+    return EM_TRUE;
+}
+
+// Resize the canvas, notify SDL, and push a synthetic SDL_WINDOWEVENT_RESIZED
+// so Game::update()'s existing handler updates Environment::width/height and clears caches.
+static void applyResize(int w, int h) {
+    if (w <= 0 || h <= 0) return;
+    // Resize the actual WebGL canvas — without this the rendered pixels stay at
+    // the original size no matter what Environment::width/height say.
+    emscripten_set_canvas_element_size("#canvas", w, h);
+    if (ZL::Environment::window)
+        SDL_SetWindowSize(ZL::Environment::window, w, h);
+    SDL_Event e = {};
+    e.type = SDL_WINDOWEVENT;
+    e.window.event = SDL_WINDOWEVENT_RESIZED;
+    e.window.data1 = w;
+    e.window.data2 = h;
+    SDL_PushEvent(&e);
+}
+
+EM_BOOL onWindowResized(int /*eventType*/, const EmscriptenUiEvent* e, void* /*userData*/) {
+    // Use the event's window dimensions — querying the canvas element would
+    // return its old fixed size (e.g. 1280x720) before it has been resized.
+    applyResize(e->windowInnerWidth, e->windowInnerHeight);
+    return EM_FALSE;
+}
+
+EM_BOOL onFullscreenChanged(int /*eventType*/, const EmscriptenFullscreenChangeEvent* e, void* /*userData*/) {
+    if (e->isFullscreen) {
+        // e->screenWidth/screenHeight comes from screen.width/screen.height in JS,
+        // which on mobile browsers returns physical pixels (e.g. 2340x1080),
+        // causing the canvas to extend far off-screen. window.innerWidth/innerHeight
+        // always gives CSS logical pixels and is correct on both desktop and mobile.
+        int w = EM_ASM_INT({ return window.innerWidth; });
+        int h = EM_ASM_INT({ return window.innerHeight; });
+        applyResize(w, h);
+    }
+    // Exiting fullscreen: the browser fires a window resize event next,
+    // which onWindowResized handles automatically.
+    return EM_FALSE;
+}
+
+#endif
+
+
 #ifdef __ANDROID__
 
 extern "C" int SDL_main(int argc, char* argv[]) {
@@ -142,6 +214,20 @@ int main(int argc, char *argv[]) {
         SDL_GL_MakeCurrent(win, glContext);
 
         ZL::Environment::window = win;
+
+        g_game = new ZL::Game();
+        g_game->setup();
+
+        // Re-create the game object when the WebGL context is lost and restored
+        // (this happens e.g. when the user toggles fullscreen in the browser).
+        emscripten_set_webglcontextlost_callback("#canvas", nullptr, EM_TRUE, onWebGLContextLost);
+        emscripten_set_webglcontextrestored_callback("#canvas", nullptr, EM_TRUE, onWebGLContextRestored);
+
+        // Keep Environment::width/height in sync when the canvas is resized.
+        emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, nullptr, EM_FALSE, onWindowResized);
+        emscripten_set_fullscreenchange_callback(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, nullptr, EM_FALSE, onFullscreenChanged);
+
+        emscripten_set_main_loop(MainLoop, 0, 1);
 #else
         if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) != 0) {
             SDL_Log("SDL init failed: %s", SDL_GetError());
@@ -161,13 +247,9 @@ int main(int argc, char *argv[]) {
 
         SDL_GLContext ctx = SDL_GL_CreateContext(ZL::Environment::window);
         SDL_GL_MakeCurrent(ZL::Environment::window, ctx);
-#endif
 
         game.setup();
 
-#ifdef EMSCRIPTEN   
-        emscripten_set_main_loop(MainLoop, 0, 1);
-#else
         while (!game.shouldExit()) {
             game.update();
             SDL_Delay(2);

src/network/ClientState.cpp

@@ -1,4 +1,4 @@
-#include "ClientState.h"
+#include "ClientState.h"
 
 uint32_t fnv1a_hash(const std::string& data) {
 	uint32_t hash = 0x811c9dc5;

src/network/ClientState.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 #include <chrono>
 #include <Eigen/Dense>
 #define _USE_MATH_DEFINES
@@ -19,7 +19,7 @@ constexpr float ROTATION_SENSITIVITY = 0.002f;
 
 constexpr float PLANET_RADIUS = 20000.f;
 constexpr float PLANET_ALIGN_ZONE = 1.05f;
-constexpr float PLANET_ANGULAR_ACCEL = 0.01f; // ??????? ??? ????????
+constexpr float PLANET_ANGULAR_ACCEL = 0.01f;
 constexpr float PLANET_MAX_ANGULAR_VELOCITY = 10.f;
 constexpr float PITCH_LIMIT = static_cast<float>(M_PI) / 9.f;//18.0f;
 
@@ -41,7 +41,7 @@ struct ClientState {
 
     std::string nickname = "Player";
     int shipType = 0;
-    // ??? ??????? ????
+
     std::chrono::system_clock::time_point lastUpdateServerTime;
 
     void simulate_physics(size_t delta);

src/network/LocalClient.cpp

@@ -1,4 +1,4 @@
-#include "LocalClient.h"
+#include "LocalClient.h"
 #include <iostream>
 #include <sstream>
 #include <algorithm>

src/network/LocalClient.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "NetworkInterface.h"
 #include <queue>

src/network/WebSocketClient.cpp

@@ -1,4 +1,4 @@
-#ifdef NETWORK
+#ifdef NETWORK
 
 #include "WebSocketClient.h"
 #include <iostream>

src/network/WebSocketClient.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #ifdef NETWORK
 

src/network/WebSocketClientBase.cpp

@@ -1,4 +1,4 @@
-#ifdef NETWORK
+#ifdef NETWORK
 
 #include "WebSocketClientBase.h"
 #include <iostream>

src/network/WebSocketClientBase.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "NetworkInterface.h"
 #include <vector>