From 288b448b9f9a5a80052f3bf43e534e51c74adf63 Mon Sep 17 00:00:00 2001
From: David Williams <david@volumesoffun.com>
Date: Sat, 22 Jun 2013 10:16:16 +0200
Subject: [PATCH] Brought across Region operator<< from Cubiquity branch.

---
 library/PolyVoxCore/include/PolyVoxCore/Region.h |  4 ++++
 library/PolyVoxCore/source/Region.cpp            | 15 ++++++++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/library/PolyVoxCore/include/PolyVoxCore/Region.h b/library/PolyVoxCore/include/PolyVoxCore/Region.h
index 655b3bce..4fe45a7e 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Region.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Region.h
@@ -202,6 +202,10 @@ namespace PolyVox
 		int32_t m_iUpperZ;
 	};
 
+	// Non-member overloaded operators. 
+	/// Stream insertion operator.
+    std::ostream& operator<<(std::ostream& os, const Region& region);
+
 	// Functions to be inlined to to be in the header rather than the .cpp.
 	// 'inline' keyword is used for the definition rather than the declaration.
 	// See also http://www.parashift.com/c++-faq-lite/inline-functions.html
diff --git a/library/PolyVoxCore/source/Region.cpp b/library/PolyVoxCore/source/Region.cpp
index 444a1770..2f61f63a 100644
--- a/library/PolyVoxCore/source/Region.cpp
+++ b/library/PolyVoxCore/source/Region.cpp
@@ -487,4 +487,17 @@ namespace PolyVox
 	{
 		shrink(v3dAmount.getX(), v3dAmount.getY(), v3dAmount.getZ());
 	}
-}
+
+	/**
+     * Enables the Region to be used intuitively with output streams such as cout.
+     * \param os The output stream to write to.
+     * \param region The Region to write to the stream.
+     * \return A reference to the output stream to allow chaining.
+     */
+	std::ostream& operator<<(std::ostream& os, const Region& region)
+    {
+		os << "(" << region.getLowerX() << "," << region.getLowerY() << "," << region.getLowerZ() <<
+			") to (" << region.getUpperX() << "," << region.getUpperY() << "," << region.getUpperZ() << ")";
+        return os;
+    }	
+}
\ No newline at end of file