From f28fc5f79b6d42cb375494edd15f109aa237da6a Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Tue, 14 Jan 2014 16:08:40 -0800
Subject: [PATCH] Adding palm accessor method that fetches left or right, as
 specified.

---
 libraries/avatars/src/HandData.cpp | 12 ++++++++++++
 libraries/avatars/src/HandData.h   |  1 +
 2 files changed, 13 insertions(+)

diff --git a/libraries/avatars/src/HandData.cpp b/libraries/avatars/src/HandData.cpp
index e8b2c97ff0..62a15efb1a 100644
--- a/libraries/avatars/src/HandData.cpp
+++ b/libraries/avatars/src/HandData.cpp
@@ -41,6 +41,18 @@ PalmData& HandData::addNewPalm()  {
 const int SIXENSE_CONTROLLER_ID_LEFT_HAND = 0;
 const int SIXENSE_CONTROLLER_ID_RIGHT_HAND = 1;
 
+const PalmData* HandData::getPalm(int sixSenseID) const {
+    // the palms are not necessarily added in left-right order, 
+    // so we have to search for the right SixSenseID
+    for (int i = 0; i < _palms.size(); i++) {
+        const PalmData* palm = &(_palms[i]);
+        if (palm->getSixenseID() == sixSenseID) {
+            return palm->isActive() ? palm : NULL;
+        }
+    }
+    return NULL;
+}
+
 void HandData::getLeftRightPalmIndices(int& leftPalmIndex, int& rightPalmIndex) const {
     leftPalmIndex = -1;
     rightPalmIndex = -1;
diff --git a/libraries/avatars/src/HandData.h b/libraries/avatars/src/HandData.h
index a0c8fed980..8de0c2d9f8 100755
--- a/libraries/avatars/src/HandData.h
+++ b/libraries/avatars/src/HandData.h
@@ -55,6 +55,7 @@ public:
 
     std::vector<PalmData>& getPalms() { return _palms; }
     const std::vector<PalmData>& getPalms() const { return _palms; }
+    const PalmData* getPalm(int sixSenseID) const;
     size_t getNumPalms() const { return _palms.size(); }
     PalmData& addNewPalm();