Add CLI Support for Window Parameters

libopenage/engine/engine.cpp

@@ -1,4 +1,4 @@
-// Copyright 2023-2023 the openage authors. See copying.md for legal info.
+// Copyright 2023-2024 the openage authors. See copying.md for legal info.
 
 #include "engine.h"
 
@@ -16,7 +16,7 @@ namespace openage::engine {
 Engine::Engine(mode mode,
                const util::Path &root_dir,
                const std::vector<std::string> &mods,
-               bool debug_graphics) :
+               const renderer::window_settings &window_settings) :
 	running{true},
 	run_mode{mode},
 	root_dir{root_dir},
@@ -55,8 +55,8 @@ Engine::Engine(mode mode,
 
 	// if presenter is used, run it in a separate thread
 	if (this->run_mode == mode::FULL) {
-		this->threads.emplace_back([&, debug_graphics]() {
-			this->presenter->run(debug_graphics);
+		this->threads.emplace_back([&]() {
+			this->presenter->run(window_settings);
 
 			// Make sure that the presenter gets destructed in the same thread
 			// otherwise OpenGL complains about missing contexts

libopenage/engine/engine.h

@@ -7,8 +7,10 @@
 #include <thread>
 #include <vector>
 
+#include "renderer/window.h"
 #include "util/path.h"
 
+
 // TODO: Remove custom jthread definition when clang/libc++ finally supports it
 #if __llvm__
 	#if !__cpp_lib_jthread
@@ -71,12 +73,12 @@ class Engine {
 	 * @param mode The run mode to use.
 	 * @param root_dir openage root directory.
 	 * @param mods The mods to load.
-	 * @param debug_graphics If true, enable OpenGL debug logging.
+	 * @param window_settings The settings to customize the display window (e.g. size, display mode, vsync).
 	 */
 	Engine(mode mode,
 	       const util::Path &root_dir,
 	       const std::vector<std::string> &mods,
-	       bool debug_graphics = false);
+	       const renderer::window_settings &window_settings = {});
 
 	// engine should not be copied or moved
 	Engine(const Engine &) = delete;

libopenage/main.cpp

@@ -1,4 +1,4 @@
-// Copyright 2015-2023 the openage authors. See copying.md for legal info.
+// Copyright 2015-2024 the openage authors. See copying.md for legal info.
 
 #include "main.h"
 
@@ -31,7 +31,29 @@ int run_game(const main_arguments &args) {
 		run_mode = openage::engine::Engine::mode::HEADLESS;
 	}
 
-	openage::engine::Engine engine{run_mode, args.root_path, args.mods, args.gl_debug};
+	// convert window arguments to window settings
+	renderer::window_settings win_settings = {};
+	win_settings.width = args.window_args.width;
+	win_settings.height = args.window_args.height;
+	win_settings.vsync = args.window_args.vsync;
+
+	renderer::window_mode wmode;
+	if (args.window_args.mode == "fullscreen") {
+		wmode = renderer::window_mode::FULLSCREEN;
+	}
+	else if (args.window_args.mode == "borderless") {
+		wmode = renderer::window_mode::BORDERLESS;
+	}
+	else if (args.window_args.mode == "windowed") {
+		wmode = renderer::window_mode::WINDOWED;
+	}
+	else {
+		throw Error(MSG(err) << "Invalid window mode: " << args.window_args.mode);
+	}
+	win_settings.mode = wmode;
+	win_settings.debug = args.gl_debug;
+
+	openage::engine::Engine engine{run_mode, args.root_path, args.mods, win_settings};
 
 	engine.loop();
 

libopenage/main.h

@@ -1,4 +1,4 @@
-// Copyright 2015-2023 the openage authors. See copying.md for legal info.
+// Copyright 2015-2024 the openage authors. See copying.md for legal info.
 
 #pragma once
 
@@ -16,6 +16,24 @@
 
 namespace openage {
 
+/**
+ * Window parameters struct.
+ *
+ * pxd:
+ *
+ * cppclass window_arguments:
+ *     int width
+ *     int height
+ *     bool vsync
+ *     string mode
+ */
+struct window_arguments {
+	int width;
+	int height;
+	bool vsync;
+	std::string mode;
+};
+
 /**
  * Used for passing arguments to run_game.
  *
@@ -26,12 +44,14 @@ namespace openage {
  *     bool gl_debug
  *     bool headless
  *     vector[string] mods
+ *     window_arguments window_args
  */
 struct main_arguments {
 	util::Path root_path;
 	bool gl_debug;
 	bool headless;
 	std::vector<std::string> mods;
+	window_arguments window_args;
 };
 
 

libopenage/presenter/presenter.cpp

@@ -32,7 +32,6 @@
 #include "renderer/stages/skybox/render_stage.h"
 #include "renderer/stages/terrain/render_stage.h"
 #include "renderer/stages/world/render_stage.h"
-#include "renderer/window.h"
 #include "time/time_loop.h"
 #include "util/path.h"
 
@@ -48,10 +47,10 @@ Presenter::Presenter(const util::Path &root_dir,
 	time_loop{time_loop} {}
 
 
-void Presenter::run(bool debug_graphics) {
+void Presenter::run(const renderer::window_settings window_settings) {
 	log::log(INFO << "Presenter: Launching subsystems...");
 
-	this->init_graphics(debug_graphics);
+	this->init_graphics(window_settings);
 
 	this->init_input();
 
@@ -93,18 +92,14 @@ std::shared_ptr<qtgui::GuiApplication> Presenter::init_window_system() {
 	return std::make_shared<renderer::gui::GuiApplicationWithLogger>();
 }
 
-void Presenter::init_graphics(bool debug) {
+void Presenter::init_graphics(const renderer::window_settings &window_settings) {
 	log::log(INFO << "Presenter: Initializing graphics subsystems...");
 
 	// Start up rendering framework
 	this->gui_app = this->init_window_system();
 
 	// Window and renderer
-	renderer::window_settings settings;
-	settings.width = 1024;
-	settings.height = 768;
-	settings.debug = debug;
-	this->window = renderer::Window::create("openage presenter test", settings);
+	this->window = renderer::Window::create("openage presenter test", window_settings);
 	this->renderer = this->window->make_renderer();
 
 	// Asset mangement

libopenage/presenter/presenter.h

@@ -5,8 +5,10 @@
 #include <memory>
 #include <vector>
 
+#include "renderer/window.h"
 #include "util/path.h"
 
+
 namespace qtgui {
 class GuiApplication;
 }
@@ -87,9 +89,9 @@ class Presenter {
 	/**
 	 * Start the presenter and initialize subsystems.
 	 *
-	 * @param debug_graphics If true, enable OpenGL debug logging.
+	 * @param window_settings The settings to customize the display window (e.g. size, display mode, vsync).
 	 */
-	void run(bool debug_graphics = false);
+	void run(const renderer::window_settings window_settings = {});
 
 	/**
 	 * Set the game simulation controlled by this presenter.
@@ -120,7 +122,7 @@ class Presenter {
 	 *     - main renderer
 	 *     - component renderers (Terrain, Game Entities, GUI)
 	 */
-	void init_graphics(bool debug = false);
+	void init_graphics(const renderer::window_settings &window_settings = {});
 
 	/**
 	 * Initialize the GUI.

libopenage/renderer/opengl/window.cpp

@@ -57,6 +57,23 @@ GlWindow::GlWindow(const std::string &title,
 	this->window->setFormat(format);
 	this->window->create();
 
+	// set display mode
+	// Reset to a known state
+	this->window->setWindowState(Qt::WindowNoState);
+	switch (settings.mode) {
+	case window_mode::WINDOWED:
+		// nothing to do because it's the default
+		break;
+	case window_mode::BORDERLESS:
+		this->window->setFlags(this->window->flags() | Qt::FramelessWindowHint);
+		break;
+	case window_mode::FULLSCREEN:
+		this->window->setWindowState(Qt::WindowFullScreen);
+		break;
+	default:
+		throw Error{MSG(err) << "Invalid window mode."};
+	}
+
 	this->context = std::make_shared<GlContext>(this->window, settings.debug);
 	if (not this->context->get_raw_context()->isValid()) {
 		throw Error{MSG(err) << "Failed to create Qt OpenGL context."};

libopenage/renderer/window.h

@@ -21,6 +21,15 @@ namespace openage::renderer {
 
 class WindowEventHandler;
 
+/**
+ * Modes for window display.
+ */
+enum class window_mode {
+	FULLSCREEN,
+	BORDERLESS,
+	WINDOWED
+};
+
 /**
  * Settings for creating a window.
  */
@@ -35,6 +44,8 @@ struct window_settings {
 	bool vsync = true;
 	// If true, enable debug logging for the selected backend.
 	bool debug = false;
+	// Display mode for the window.
+	window_mode mode = window_mode::WINDOWED;
 };
 
 

openage/game/main.py

@@ -36,6 +36,19 @@ def init_subparser(cli: ArgumentParser) -> None:
         help="Check if the assets are up to date"
     )
 
+    cli.add_argument(
+        "--window-size", nargs=2, type=int, default=[1024, 768],
+        metavar=('WIDTH', 'HEIGHT'),
+        help="Initial window size in pixels")
+
+    cli.add_argument(
+        "--vsync", action='store_true',
+        help="Enable vertical synchronization")
+
+    cli.add_argument(
+        "--window-mode", choices=["fullscreen", "borderless", "windowed"], default="windowed",
+        help="Set the window mode")
+
 
 def main(args, error):
     """
@@ -98,5 +111,13 @@ def main(args, error):
     # encode modpacks as bytes for the C++ interface
     args.modpacks = [modpack.encode('utf-8') for modpack in args.modpacks]
 
+    # Pass window parameters to engine
+    args.window_args = {
+        "width": args.window_size[0],
+        "height": args.window_size[1],
+        "vsync": args.vsync,
+        "window_mode": args.window_mode,
+    }
+
     # start the game, continue in main_cpp.pyx!
     return run_game(args, root)

openage/game/main_cpp.pyx

@@ -1,4 +1,4 @@
-# Copyright 2015-2023 the openage authors. See copying.md for legal info.
+# Copyright 2015-2024 the openage authors. See copying.md for legal info.
 
 from cpython.ref cimport PyObject
 from libcpp.string cimport string
@@ -37,6 +37,12 @@ def run_game(args, root_path):
         else:
             args_cpp.mods = vector[string]()
 
+        # window
+        args_cpp.window_args.width = args.window_args["width"]
+        args_cpp.window_args.height = args.window_args["height"]
+        args_cpp.window_args.vsync = args.window_args["vsync"]
+        args_cpp.window_args.mode = args.window_args["window_mode"].encode('utf-8')
+
         # run the game!
         with nogil:
             result = run_game_cpp(args_cpp)

openage/main/main.py

@@ -28,6 +28,19 @@ def init_subparser(cli: ArgumentParser):
         "--modpacks", nargs="+", type=str,
         help="list of modpacks to load")
 
+    cli.add_argument(
+        "--window-size", nargs=2, type=int, default=[1024, 768],
+        metavar=('WIDTH', 'HEIGHT'),
+        help="Initial window size in pixels")
+
+    cli.add_argument(
+        "--vsync", action='store_true',
+        help="Enable vertical synchronization")
+
+    cli.add_argument(
+        "--window-mode", choices=["fullscreen", "borderless", "windowed"], default="windowed",
+        help="Set the window mode")
+
 
 def main(args, error):
     """
@@ -106,5 +119,13 @@ def main(args, error):
     else:
         args.modpacks = [query_modpack(list(available_modpacks.keys())).encode("utf-8")]
 
+    # Pass window parameters to engine
+    args.window_args = {
+        "width": args.window_size[0],
+        "height": args.window_size[1],
+        "vsync": args.vsync,
+        "window_mode": args.window_mode,
+    }
+
     # start the game, continue in main_cpp.pyx!
     return run_game(args, root)

openage/main/main_cpp.pyx

@@ -1,4 +1,4 @@
-# Copyright 2015-2023 the openage authors. See copying.md for legal info.
+# Copyright 2015-2024 the openage authors. See copying.md for legal info.
 
 from cpython.ref cimport PyObject
 from libcpp.string cimport string
@@ -37,6 +37,12 @@ def run_game(args, root_path):
         else:
             args_cpp.mods = vector[string]()
 
+        # window
+        args_cpp.window_args.width = args.window_args["width"]
+        args_cpp.window_args.height = args.window_args["height"]
+        args_cpp.window_args.vsync = args.window_args["vsync"]
+        args_cpp.window_args.mode = args.window_args["window_mode"].encode('utf-8')
+
         # run the game!
         with nogil:
             result = run_game_cpp(args_cpp)