Initial versionv0.1.0

1 files changed, 80 insertions, 0 deletions

diff --git a/deck.c b/deck.c
new file mode 100644
index 0000000..e2a6a43
--- /dev/null
+++ b/deck.c
@@ -0,0 +1,80 @@
+/*
+ * Spider-Arachnid: A plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id$
+ */
+
+#include "deck.h"
+#include <vdr/config.h>
+#include <vdr/tools.h>
+#include <stdlib.h>
+
+
+/** Random number 0 .. max-1 */
+unsigned int rand(unsigned int max)
+{
+  static unsigned int seed =
+#if VDRVERSNUM >= 10318
+    cTimeMs::Now();
+#else
+    time_ms();
+#endif
+  return (unsigned int)((double)max * rand_r(&seed) / (RAND_MAX + 1.0));
+}
+
+
+/** --- class Deck --------------------------------------------------------- **/
+
+/** Constructor */
+Deck::Deck(int cards, int suits, int decks) :
+  allCards(cards * suits * decks)
+{
+  cardsInSuit = cards;
+  suitCount = suits;
+  deckCount = decks;
+  shuffle();
+}
+
+/** Current count of cards */
+int Deck::count() const
+{
+  return allCards.size();
+}
+
+/** Card in deck */
+const Card& Deck::card(int position) const
+{
+  return allCards[position];
+}
+
+/** Shuffle the deck */
+void Deck::shuffle()
+{
+  for (unsigned int i = 0; i < allCards.size(); ++i)
+  {
+    int pos = -1;
+    while (pos < 0)
+      pos = rand(allCards.size());
+    while (allCards[pos].suit >= 0)
+      pos = (pos + 1) % allCards.size();
+    allCards[pos] = Card((i / cardsInSuit) % suitCount, i % cardsInSuit);
+  }
+}
+
+
+/** --- class Card --------------------------------------------------------- **/
+
+/** Constructor */
+Card::Card(int s, int r)
+{
+  suit = s;
+  rank = r;
+}
+
+/** Matches this card to an other card? */
+bool Card::matchesTo(const Card& other) const
+{
+  return (suit == other.suit && rank + 1 == other.rank);
+}