added xrick game

original xrick code by 'BigOrno' at:
http://www.bigorno.net/xrick/

Rockbox port, plus bugfixes at:
https://github.com/pierluigi-vicinanza/xrick

Further changes:

 * Additonal fixes from g#3026
 * Port to modern plugin API
 * Add Pluginlib keymap fallback
 * Support all >1bpp screens
 * Fix build warnings in miniz
 * Better error message when resources are missing

Change-Id: Id83928bc2539901b0221692f65cbca41389c58e7

apps/plugins/xrick/scr_xrick.c

@@ -0,0 +1,101 @@
+/*
+ * xrick/scr_xrick.c
+ *
+ * Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net).
+ * Copyright (C) 2008-2014 Pierluigi Vicinanza.
+ * All rights reserved.
+ *
+ * The use and distribution terms for this software are contained in the file
+ * named README, which can be found in the root of this distribution. By
+ * using this software in any fashion, you are agreeing to be bound by the
+ * terms of this license.
+ *
+ * You must not remove this notice, or any other, from this software.
+ */
+
+#include "xrick/screens.h"
+
+#include "xrick/game.h"
+#include "xrick/draw.h"
+#include "xrick/control.h"
+#include "xrick/data/img.h"
+#include "xrick/system/system.h"
+
+/*
+ * global vars
+ */
+size_t screen_nbr_imapsl = 0;
+U8 *screen_imapsl = NULL;
+
+size_t screen_nbr_imapstesps = 0;
+screen_imapsteps_t *screen_imapsteps = NULL;
+
+size_t screen_nbr_imapsofs = 0;
+U8 *screen_imapsofs = NULL;
+
+size_t screen_nbr_imaptext = 0;
+U8 **screen_imaptext = NULL;
+
+size_t screen_nbr_hiscores = 0;
+hiscore_t *screen_highScores = NULL;
+
+#ifdef GFXPC
+U8 *screen_imainhoft = NULL;
+U8 *screen_imainrdt = NULL;
+U8 *screen_imaincdc = NULL;
+U8 *screen_congrats = NULL;
+#endif
+U8 *screen_gameovertxt = NULL;
+U8 *screen_pausedtxt = NULL;
+
+
+/*
+ * Display XRICK splash screen
+ *
+ * return: SCREEN_RUNNING, SCREEN_DONE, SCREEN_EXIT
+ */
+U8
+screen_xrick(void)
+{
+    static U8 seq = 0;
+    static U8 wait = 0;
+
+    if (seq == 0) {
+        sysvid_clear();
+        draw_img(img_splash);
+        game_rects = &draw_SCREENRECT;
+        seq = 1;
+    }
+
+    switch (seq) {
+    case 1:  /* wait */
+        if (wait++ > 0x2) {
+#ifdef ENABLE_SOUND
+            game_setmusic(soundBullet, 1);
+#endif
+            seq = 2;
+            wait = 0;
+        }
+        break;
+
+    case 2:  /* wait */
+        if (wait++ > 0x20) {
+            seq = 99;
+            wait = 0;
+        }
+    }
+
+    if (control_test(Control_EXIT))  /* check for exit request */
+        return SCREEN_EXIT;
+
+    if (seq == 99) {  /* we're done */
+        sysvid_clear();
+        sysvid_setGamePalette();
+        seq = 0;
+        return SCREEN_DONE;
+    }
+
+    return SCREEN_RUNNING;
+}
+
+/* eof */