1 files changed, 156 insertions, 0 deletions

diff --git a/apps/plugins/xrick/system/sysevt_rockbox.c b/apps/plugins/xrick/system/sysevt_rockbox.c
new file mode 100644
index 0000000000..f5314712e8
--- /dev/null
+++ b/apps/plugins/xrick/system/sysevt_rockbox.c
@@ -0,0 +1,156 @@
+ /***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Port of xrick, a Rick Dangerous clone, to Rockbox.
+ * See http://www.bigorno.net/xrick/
+ *
+ * Copyright (C) 2008-2014 Pierluigi Vicinanza
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "xrick/system/system.h"
+
+#include "xrick/config.h"
+#include "xrick/control.h"
+#include "xrick/game.h"
+#include "xrick/system/sysmenu_rockbox.h"
+#include "xrick/system/rockboxcodes.h"
+
+/*
+ * Helper function to set/clear controls according to key press
+ */
+static inline void checkKey(int key, unsigned button, control_t control)
+{
+    if (key & button)
+    {
+        control_set(control);
+    }
+    else
+    {
+        control_clear(control);
+    }
+}
+
+/*
+ * Process events, if any, then return
+ */
+void sysevt_poll(void)
+{
+    static int previousKey, currentKey;
+
+    /* this is because "Restart Game" is handled via menu */
+    if (control_test(Control_END))
+    {
+        control_clear(Control_END);
+    }
+
+    for (;;)
+    {
+        /* check for USB connection */
+        if ((rb->default_event_handler(rb->button_get(false)) == SYS_USB_CONNECTED)
+#if defined(HAS_BUTTON_HOLD)
+              || rb->button_hold()
+#endif
+            )
+        {
+            sysmenu_exec();
+        }
+
+        currentKey = rb->button_status();
+        if (currentKey != previousKey)
+        {
+            break;
+        }
+        else if (game_waitevt)
+        {
+            rb->yield();
+        }
+        else /* (currentKey == previousKey) && !game_waitevt */
+        {
+            return;
+        }
+    }
+
+#ifdef XRICK_BTN_MENU
+    if (currentKey & XRICK_BTN_MENU)
+    {
+        sysmenu_exec();
+    }
+#endif
+
+#ifdef XRICK_BTN_PAUSE
+    checkKey(currentKey, XRICK_BTN_PAUSE, Control_PAUSE);
+#endif
+
+    checkKey(currentKey, XRICK_BTN_UP, Control_UP);
+
+    checkKey(currentKey, XRICK_BTN_DOWN, Control_DOWN);
+
+    checkKey(currentKey, XRICK_BTN_LEFT, Control_LEFT);
+
+    checkKey(currentKey, XRICK_BTN_RIGHT, Control_RIGHT);
+
+    checkKey(currentKey, XRICK_BTN_FIRE, Control_FIRE);
+
+#ifdef XRICK_BTN_UPLEFT
+    if (!control_test(Control_UP | Control_LEFT))
+    {
+        checkKey(currentKey, XRICK_BTN_UPLEFT, Control_UP | Control_LEFT);
+    }
+#endif /* XRICK_BTN_UPLEFT */
+
+#ifdef XRICK_BTN_UPRIGHT
+    if (!control_test(Control_UP | Control_RIGHT))
+    {
+        checkKey(currentKey, XRICK_BTN_UPRIGHT, Control_UP | Control_RIGHT);
+    }
+#endif /* XRICK_BTN_UPRIGHT */
+
+#ifdef XRICK_BTN_DOWNLEFT
+    if (!control_test(Control_DOWN | Control_LEFT))
+    {
+        checkKey(currentKey, XRICK_BTN_DOWNLEFT, Control_DOWN | Control_LEFT);
+    }
+#endif /* XRICK_BTN_DOWNLEFT */
+
+#ifdef XRICK_BTN_DOWNRIGHT
+    if (!control_test(Control_DOWN | Control_RIGHT))
+    {
+        checkKey(currentKey, XRICK_BTN_DOWNRIGHT, Control_DOWN | Control_RIGHT);
+    }
+#endif /* XRICK_BTN_DOWNRIGHT */
+
+    previousKey = currentKey;
+}
+
+/*
+ * Wait for an event, then process it and return
+ */
+void sysevt_wait(void)
+{
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    rb->cpu_boost(false);
+#endif
+
+    sysevt_poll(); /* sysevt_poll deals with blocking case as well */
+
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    rb->cpu_boost(true);
+#endif
+}
+
+/* eof */