Reduces visibility of internal fields/methods

Reduces the visibility of all fields to private and create setters/getters
when necessary. Exceptions are fields with GuiSync as these need to be
public.

Reduces the visibility of internal methods to private/protected/default when possible.

src/main/java/appeng/core/stats/AchievementCraftingHandler.java

@@ -50,17 +50,17 @@ public class AchievementCraftingHandler
 
 		for( final Achievements achievement : Achievements.values() )
 		{
-			switch( achievement.type )
+			switch( achievement.getType() )
 			{
 				case Craft:
-					if( Platform.isSameItemPrecise( achievement.stack, event.crafting ) )
+					if( Platform.isSameItemPrecise( achievement.getStack(), event.crafting ) )
 					{
 						achievement.addToPlayer( event.player );
 						return;
 					}
 					break;
 				case CraftItem:
-					if( achievement.stack != null && achievement.stack.getItem().getClass() == event.crafting.getItem().getClass() )
+					if( achievement.getStack() != null && achievement.getStack().getItem().getClass() == event.crafting.getItem().getClass() )
 					{
 						achievement.addToPlayer( event.player );
 						return;

src/main/java/appeng/core/stats/AchievementHierarchy.java

@@ -30,7 +30,7 @@ public class AchievementHierarchy
 	/**
 	 * Setup hierarchy through assigning parents.
 	 */
-	public void registerAchievementHierarchy()
+	void registerAchievementHierarchy()
 	{
 		Achievements.Presses.setParent( Achievements.Compass );
 

src/main/java/appeng/core/stats/AchievementPickupHandler.java

@@ -53,7 +53,7 @@ public class AchievementPickupHandler
 
 		for( final Achievements achievement : Achievements.values() )
 		{
-			if( achievement.type == AchievementType.Pickup && Platform.isSameItemPrecise( achievement.stack, is ) )
+			if( achievement.getType() == AchievementType.Pickup && Platform.isSameItemPrecise( achievement.getStack(), is ) )
 			{
 				achievement.addToPlayer( event.player );
 				return;

src/main/java/appeng/core/stats/Achievements.java

@@ -105,8 +105,8 @@ public enum Achievements
 	// done
 	QNB( 10, 2, AEApi.instance().definitions().blocks().quantumLink(), AchievementType.Craft );
 
-	public final ItemStack stack;
-	public final AchievementType type;
+	private final ItemStack stack;
+	private final AchievementType type;
 	private final int x;
 	private final int y;
 
@@ -137,16 +137,16 @@ public enum Achievements
 		this.y = y;
 	}
 
-	public void setParent( final Achievements parent )
+	void setParent( final Achievements parent )
 	{
 		this.parent = parent.getAchievement();
 	}
 
 	public Achievement getAchievement()
 	{
-		if( this.stat == null && this.stack != null )
+		if( this.stat == null && this.getStack() != null )
 		{
-			this.stat = new Achievement( "achievement.ae2." + this.name(), "ae2." + this.name(), this.x, this.y, this.stack, this.parent );
+			this.stat = new Achievement( "achievement.ae2." + this.name(), "ae2." + this.name(), this.x, this.y, this.getStack(), this.parent );
 			this.stat.registerStat();
 		}
 
@@ -158,4 +158,14 @@ public enum Achievements
 		player.addStat( this.getAchievement(), 1 );
 	}
 
+	AchievementType getType()
+	{
+		return this.type;
+	}
+
+	ItemStack getStack()
+	{
+		return this.stack;
+	}
+
 }

src/main/java/appeng/core/stats/PlayerDifferentiator.java

@@ -42,7 +42,7 @@ public class PlayerDifferentiator
 	 *
 	 * @return true if {@param player} is not a real player
 	 */
-	public boolean isNoPlayer( final EntityPlayer player )
+	boolean isNoPlayer( final EntityPlayer player )
 	{
 		return player == null || player.isDead || player instanceof FakePlayer;
 	}

src/main/java/appeng/core/stats/Stats.java

@@ -47,7 +47,7 @@ public enum Stats
 		player.addStat( this.getStat(), howMany );
 	}
 
-	public StatBasic getStat()
+	StatBasic getStat()
 	{
 		if( this.stat == null )
 		{