Introduce Player::getLightPosition

This is currently only used in the lighting update for remote
players in client.

src/environment.cpp

@@ -1653,7 +1653,7 @@ void ClientEnvironment::step(float dtime)
 			u8 light = LIGHT_MAX;
 			try{
 				// Get node at head
-				v3s16 p = floatToInt(playerpos + v3f(0,BS+BS/2,0), BS);
+				v3s16 p = player->getLightPosition();
 				MapNode n = m_map->getNode(p);
 				light = n.getLightBlend(getDayNightRatio());
 			}

src/player.h

@@ -62,6 +62,11 @@ public:
 		return m_position;
 	}
 
+	v3s16 getLightPosition() const
+	{
+		return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
+	}
+
 	virtual void setPosition(const v3f &position)
 	{
 		m_position = position;