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

Change-Id: Id83928bc2539901b0221692f65cbca41389c58e7

1 files changed, 57 insertions, 0 deletions

diff --git a/apps/plugins/xrick/rects.c b/apps/plugins/xrick/rects.c
new file mode 100644
index 0000000..9324426
--- /dev/null
+++ b/apps/plugins/xrick/rects.c
@@ -0,0 +1,57 @@
+/*
+ * xrick/rects.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/rects.h"
+#include "xrick/system/system.h"
+
+/*
+ * Free a list of rectangles and set the pointer to NULL.
+ *
+ * p: rectangle list CHANGED to NULL
+ */
+void
+rects_free(rect_t *r)
+{
+    while (r)
+    {
+        rect_t * next = r->next;
+        sysmem_pop(r);
+        r = next;
+    }
+}
+
+
+/*
+ * Add a rectangle to a list of rectangles
+ */
+rect_t *
+rects_new(U16 x, U16 y, U16 width, U16 height, rect_t *next)
+{
+    rect_t *r;
+
+    r = sysmem_push(sizeof(*r));
+    if (!r)
+    {
+        return NULL;
+    }
+    r->x = x;
+    r->y = y;
+    r->width = width;
+    r->height = height;
+    r->next = next;
+    return r;
+}
+
+/* eof */