From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/public/map_utils.cpp | 48 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 mp/src/public/map_utils.cpp

(limited to 'mp/src/public/map_utils.cpp')

diff --git a/mp/src/public/map_utils.cpp b/mp/src/public/map_utils.cpp
new file mode 100644
index 00000000..aecad5a1
--- /dev/null
+++ b/mp/src/public/map_utils.cpp
@@ -0,0 +1,48 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "mathlib/vector.h"
+#include "bspfile.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+void SetupLightNormalFromProps( const QAngle &angles, float angle, float pitch, Vector &output )
+{
+	if (angle == ANGLE_UP)
+	{
+		output[0] = output[1] = 0;
+		output[2] = 1;
+	}
+	else if (angle == ANGLE_DOWN)
+	{
+		output[0] = output[1] = 0;
+		output[2] = -1;
+	}
+	else
+	{
+		// if we don't have a specific "angle" use the "angles" YAW
+		if ( !angle )
+		{
+			angle = angles[YAW];
+		}
+		
+		output[2] = 0;
+		output[0] = (float)cos (angle/180*M_PI);
+		output[1] = (float)sin (angle/180*M_PI);
+	}
+	
+	if ( !pitch )
+	{
+		// if we don't have a specific "pitch" use the "angles" PITCH
+		pitch = angles[PITCH];
+	}
+	
+	output[2] = (float)sin(pitch/180*M_PI);
+	output[0] *= (float)cos(pitch/180*M_PI);
+	output[1] *= (float)cos(pitch/180*M_PI);
+}
+
-- 
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