Games: Move to Userland/Games/

Userland/Games/Pong/Game.h

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibCore/ConfigFile.h>
+#include <LibGUI/Application.h>
+#include <LibGUI/MessageBox.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/Widget.h>
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/Font.h>
+#include <LibGfx/StandardCursor.h>
+
+namespace Pong {
+
+class Game final : public GUI::Widget {
+    C_OBJECT(Game);
+
+public:
+    static const int game_width = 560;
+    static const int game_height = 480;
+
+    virtual ~Game() override;
+
+private:
+    Game();
+
+    virtual void paint_event(GUI::PaintEvent&) override;
+    virtual void keyup_event(GUI::KeyEvent&) override;
+    virtual void keydown_event(GUI::KeyEvent&) override;
+    virtual void mousemove_event(GUI::MouseEvent&) override;
+    virtual void timer_event(Core::TimerEvent&) override;
+
+    void reset();
+    void reset_ball(int serve_to_player);
+    void reset_paddles();
+    void tick();
+    void round_over(int player);
+    void game_over(int player);
+    void calculate_move();
+
+    struct Ball {
+        Gfx::FloatPoint position;
+        Gfx::FloatPoint velocity;
+        float radius { 4 };
+
+        float x() const { return position.x(); }
+        float y() const { return position.y(); }
+
+        Gfx::FloatRect rect() const
+        {
+            return { x() - radius, y() - radius, radius * 2, radius * 2 };
+        }
+    };
+
+    struct Paddle {
+        Gfx::FloatRect rect;
+        float speed { 5 };
+        float width { 8 };
+        float height { 28 };
+        bool moving_up { false };
+        bool moving_down { false };
+        Gfx::Color color { Color::White };
+    };
+
+    struct Net {
+        Gfx::Color color { Color::White };
+        Gfx::FloatRect rect() const
+        {
+            return { (game_width / 2) - 1, 0, 2, game_height };
+        }
+    };
+
+    Gfx::IntRect player_1_score_rect() const
+    {
+        int score_width = font().width(String::formatted("{}", m_player_1_score));
+        return { (game_width / 2) + score_width + 2, 2, score_width, font().glyph_height() };
+    }
+
+    Gfx::IntRect player_2_score_rect() const
+    {
+        int score_width = font().width(String::formatted("{}", m_player_2_score));
+        return { (game_width / 2) - score_width - 2, 2, score_width, font().glyph_height() };
+    }
+
+    Net m_net;
+    Ball m_ball;
+    Paddle m_player1_paddle;
+    Paddle m_player2_paddle;
+
+    int m_score_to_win = 21;
+    int m_player_1_score = 0;
+    int m_player_2_score = 0;
+};
+
+}