starter module for starting high modules

headers/enduro2d/core/engine.hpp

@@ -87,8 +87,8 @@ namespace e2d
             parameters() = delete;
             parameters(str_view game_name, str_view company_name);
 
-            parameters& game_name(str_view value) noexcept;
-            parameters& company_name(str_view value) noexcept;
+            parameters& game_name(str_view value);
+            parameters& company_name(str_view value);
             parameters& debug_params(const debug_parameters& value);
             parameters& window_params(const window_parameters& value);
             parameters& timer_params(const timer_parameters& value);

headers/enduro2d/high/_all.hpp

@@ -11,3 +11,4 @@
 #include "assets.hpp"
 #include "library.hpp"
 #include "library.inl"
+#include "starter.hpp"

headers/enduro2d/high/_high.hpp

@@ -12,6 +12,7 @@ namespace e2d
 {
     class asset;
     class library;
+    class starter;
     class text_asset;
     class mesh_asset;
     class image_asset;

headers/enduro2d/high/starter.hpp

@@ -0,0 +1,48 @@
+/*******************************************************************************
+ * This file is part of the "Enduro2D"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2018 Matvey Cherevko
+ ******************************************************************************/
+
+#pragma once
+
+#include "_high.hpp"
+
+namespace e2d
+{
+    class starter final : public module<starter> {
+    public:
+        class parameters {
+        public:
+            parameters() = delete;
+            parameters(const engine::parameters& engine_params);
+
+            parameters& library_root(const url& value);
+            parameters& engine_params(const engine::parameters& value);
+
+            url& library_root() noexcept;
+            engine::parameters& engine_params() noexcept;
+
+            const url& library_root() const noexcept;
+            const engine::parameters& engine_params() const noexcept;
+        private:
+            url library_root_{"resources://bin/library"};
+            engine::parameters engine_params_;
+        };
+    public:
+        starter(int argc, char *argv[], const parameters& params);
+        ~starter() noexcept final;
+
+        template < typename Application, typename... Args >
+        bool start(Args&&... args);
+        bool start(application_uptr app);
+    };
+}
+
+namespace e2d
+{
+    template < typename Application, typename... Args >
+    bool starter::start(Args&&... args) {
+        return start(std::make_unique<Application>(std::forward<Args>(args)...));
+    }
+}

samples/CMakeLists.txt

@@ -46,3 +46,4 @@ endfunction(add_e2d_sample)
 add_e2d_sample(00)
 add_e2d_sample(01)
 add_e2d_sample(02)
+add_e2d_sample(03)

samples/sources/sample_03/sample_03.cpp

@@ -0,0 +1,42 @@
+/*******************************************************************************
+ * This file is part of the "Enduro2D"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2018 Matvey Cherevko
+ ******************************************************************************/
+
+#include "../common.hpp"
+using namespace e2d;
+
+namespace
+{
+    class game final : public application {
+    public:
+        bool initialize() final {
+            return true;
+        }
+
+        bool frame_tick() final {
+            const keyboard& k = the<input>().keyboard();
+            if ( the<window>().should_close() || k.is_key_just_released(keyboard_key::escape) ) {
+                return false;
+            }
+
+            the<render>().execute(render::command_block<64>()
+                .add_command(render::clear_command()
+                    .color_value({1.f, 0.4f, 0.f, 1.f}))
+                .add_command(render::swap_command(true)));
+
+            return true;
+        }
+    };
+}
+
+int e2d_main(int argc, char *argv[]) {
+    const auto starter_params = starter::parameters(
+        engine::parameters("sample_03", "enduro3d")
+            .timer_params(engine::timer_parameters()
+                .maximal_framerate(100)));
+    modules::initialize<starter>(
+        argc, argv, starter_params).start<game>();
+    return 0;
+}

sources/enduro2d/core/engine.cpp

@@ -145,12 +145,12 @@ namespace e2d
     : game_name_(game_name)
     , company_name_(company_name) {}
 
-    engine::parameters& engine::parameters::game_name(str_view value) noexcept {
+    engine::parameters& engine::parameters::game_name(str_view value) {
         game_name_ = value;
         return *this;
     }
 
-    engine::parameters& engine::parameters::company_name(str_view value) noexcept {
+    engine::parameters& engine::parameters::company_name(str_view value) {
         company_name_ = value;
         return *this;
     }

sources/enduro2d/high/starter.cpp

@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * This file is part of the "Enduro2D"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2018 Matvey Cherevko
+ ******************************************************************************/
+
+#include <enduro2d/high/starter.hpp>
+
+#include <enduro2d/high/library.hpp>
+
+namespace
+{
+    using namespace e2d;
+
+    template < typename Module, typename... Args >
+    void safe_module_initialize(Args&&... args) {
+        if ( !modules::is_initialized<Module>() ) {
+            modules::initialize<Module>(std::forward<Args>(args)...);
+        }
+    }
+}
+
+namespace e2d
+{
+    //
+    // starter::parameters
+    //
+
+    starter::parameters::parameters(const engine::parameters& engine_params)
+    : engine_params_(engine_params) {}
+
+    starter::parameters& starter::parameters::library_root(const url& value) {
+        library_root_ = value;
+        return *this;
+    }
+
+    starter::parameters& starter::parameters::engine_params(const engine::parameters& value) {
+        engine_params_ = value;
+        return *this;
+    }
+
+    url& starter::parameters::library_root() noexcept {
+        return library_root_;
+    }
+
+    engine::parameters& starter::parameters::engine_params() noexcept {
+        return engine_params_;
+    }
+
+    const url& starter::parameters::library_root() const noexcept {
+        return library_root_;
+    }
+
+    const engine::parameters& starter::parameters::engine_params() const noexcept {
+        return engine_params_;
+    }
+
+    //
+    // starter
+    //
+
+    starter::starter(int argc, char *argv[], const parameters& params) {
+        safe_module_initialize<engine>(argc, argv, params.engine_params());
+        safe_module_initialize<library>(params.library_root());
+    }
+
+    starter::~starter() noexcept = default;
+
+    bool starter::start(application_uptr app) {
+        return the<engine>().start(std::move(app));
+    }
+}