Refactor player's eye position coding

Collect the player's eye position coding in a Player method, and
use it in client to pass the eye position information to the game.

src/client.cpp

@@ -1935,11 +1935,13 @@ NodeMetadata* Client::getNodeMetadata(v3s16 p)
 	return m_env.getMap().getNodeMetadata(p);
 }
 
-v3f Client::getPlayerPosition()
+v3f Client::getPlayerPosition(v3f *eye_position)
 {
 	//JMutexAutoLock envlock(m_env_mutex); //bulk comment-out
 	LocalPlayer *player = m_env.getLocalPlayer();
 	assert(player != NULL);
+	if (eye_position)
+		*eye_position = player->getEyePosition();
 	return player->getPosition();
 }
 

src/client.h

@@ -206,7 +206,9 @@ public:
 	// Wrapper to Map
 	NodeMetadata* getNodeMetadata(v3s16 p);
 
-	v3f getPlayerPosition();
+	// Get the player position, and optionally put the
+	// eye position in *eye_position
+	v3f getPlayerPosition(v3f *eye_position=NULL);
 
 	void setPlayerControl(PlayerControl &control);
 	

src/game.cpp

@@ -1521,7 +1521,8 @@ void the_game(
 		}
 		
 		// Get player position
-		v3f player_position = client.getPlayerPosition();
+		v3f camera_position;
+		v3f player_position = client.getPlayerPosition(&camera_position);
 
 		//TimeTaker //timer2("//timer2");
 
@@ -1582,11 +1583,6 @@ void the_game(
 		camera_direction.rotateYZBy(camera_pitch);
 		camera_direction.rotateXZBy(camera_yaw);
 
-		// This is at the height of the eyes of the current figure
-		//v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
-		// This is more like in minecraft
-		v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
-
 		camera->setPosition(camera_position);
 		// *100.0 helps in large map coordinates
 		camera->setTarget(camera_position + camera_direction * 100.0);

src/player.h

@@ -67,6 +67,14 @@ public:
 		return floatToInt(m_position + v3f(0,BS+BS/2,0), BS);
 	}
 
+	v3f getEyePosition()
+	{
+		// This is at the height of the eyes of the current figure
+		// return m_position + v3f(0, BS+BS/2, 0);
+		// This is more like in minecraft
+		return m_position + v3f(0,BS+(5*BS)/8,0);
+	}
+
 	virtual void setPosition(const v3f &position)
 	{
 		m_position = position;