menu/timer: added simple timer to wait until duration is completed

2 files changed, 125 insertions, 0 deletions

diff --git a/src/menu/timer.cpp b/src/menu/timer.cpp
new file mode 100644
index 00000000..15a22e55
--- /dev/null
+++ b/src/menu/timer.cpp
@@ -0,0 +1,70 @@
+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "timer.hpp"
+#include <SDL/SDL.h>
+
+namespace usdx
+{
+	Timer::Timer(Control* owner, uint32_t duration, bool init) :
+		Control(owner), duration(duration), last_update(0), ready(init)
+	{
+	}
+
+	Timer::~Timer()
+	{
+	}
+
+	uint32_t Timer::now(void) const
+	{
+		return SDL_GetTicks();
+	}
+
+	void Timer::update(void)
+	{
+		ready = false;
+		last_update = now();
+	}
+
+	bool Timer::is_ready(void)
+	{
+		if (ready)
+			return true;
+
+		if ((now() - last_update) > duration)
+		{
+			ready = true;
+			return true;
+		}
+
+		return false;
+	}
+
+	void Timer::abort(void)
+	{
+		ready = true;
+	}
+};
diff --git a/src/menu/timer.hpp b/src/menu/timer.hpp
new file mode 100644
index 00000000..7349404c
--- /dev/null
+++ b/src/menu/timer.hpp
@@ -0,0 +1,55 @@
+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TIMER_HPP
+#define TIMER_HPP
+
+#include <stdint.h>
+#include "control.hpp"
+
+namespace usdx
+{
+	class Timer : public Control
+	{
+	private:
+		uint32_t duration;
+		uint32_t last_update;
+		bool ready;
+
+		uint32_t now(void) const;
+
+	public:
+		Timer(Control*, uint32_t, bool = false);
+		virtual ~Timer();
+
+		void update(void);
+		bool is_ready(void);
+		void abort(void);
+	};
+};
+
+
+#endif