Create a branch for cmake bringup.

svn path=/branches/cmake-bringup/; revision=48236

lib/3rdparty/cardlib/cardcount.cpp

@@ -0,0 +1,90 @@
+//
+//    CardCount is a helper library for CardStacks.
+//
+//    When you initialize a CardCount object with a
+//  cardstack, it keeps track of the number of cards
+//    the stack contains.
+//
+//    e.g. CardCount count(cardstack);
+//
+//    Then you can do:
+//
+//        int num_fives = count[5]
+//
+//        count.Add(cardstack2);        - combine with another stack
+//
+//        int num_aces = count[1]        - aces low
+//        int num_aces = count[14]    - aces high
+//
+//        count.Clear();
+//
+#include "cardcount.h"
+
+CardCount::CardCount()
+{
+    Clear();
+}
+
+CardCount::CardCount(const CardStack &cs)
+{
+    Init(cs);
+}
+
+void CardCount::Clear()
+{
+    for(int i = 0; i < 13; i++)
+        count[i] = 0;
+}
+
+void CardCount::Add(const CardStack &cs)
+{
+    for(int i = 0; i < cs.NumCards(); i++)
+    {
+        Card card = cs[i];
+
+        int val = card.LoVal();
+        count[val - 1]++;
+    }
+}
+
+void CardCount::Sub(const CardStack &cs)
+{
+    for(int i = 0; i < cs.NumCards(); i++)
+    {
+        Card card = cs[i];
+        int val = card.LoVal();
+
+        if(count[val - 1] > 0)
+            count[val - 1]--;
+    }
+}
+
+void CardCount::Init(const CardStack &cs)
+{
+    Clear();
+    Add(cs);
+}
+
+int CardCount::operator [] (size_t index) const
+{
+    if(index < 1) return 0;
+    else if(index > 14)  return 0;    //if out of range
+    else if(index == 14) index = 1;    //if a "ace-high"
+
+    return count[index - 1];
+}
+
+//
+//    Decrement specified item by one
+//
+void CardCount::Dec(size_t index)
+{
+    if(index < 1) return;
+    else if(index > 14)  return;    //if out of range
+    else if(index == 14) index = 1;    //if a "ace-high"
+
+    index -= 1;
+
+    if(count[index] > 0)
+        count[index]--;
+}