Make fields final if possible to ensure immutability

src/main/java/appeng/client/render/effects/AssemblerFX.java

@@ -11,10 +11,10 @@ import appeng.entity.EntityFloatingItem;
 public class AssemblerFX extends EntityFX
 {
 
-	IAEItemStack item;
-	EntityFloatingItem fi;
+	final IAEItemStack item;
+	final EntityFloatingItem fi;
 	float time = 0;
-	float speed;
+	final float speed;
 
 	public AssemblerFX(World w, double x, double y, double z, double r, double g, double b, float speed, IAEItemStack is) {
 		super( w, x, y, z, r, g, b );

src/main/java/appeng/client/render/effects/CraftingFx.java

@@ -15,11 +15,11 @@ import cpw.mods.fml.relauncher.SideOnly;
 public class CraftingFx extends EntityBreakingFX
 {
 
-	private IIcon particleTextureIndex;
+	private final IIcon particleTextureIndex;
 
-	private int startBlkX;
-	private int startBlkY;
-	private int startBlkZ;
+	private final int startBlkX;
+	private final int startBlkY;
+	private final int startBlkZ;
 
 	@Override
 	public int getFXLayer()

src/main/java/appeng/client/render/effects/EnergyFx.java

@@ -15,11 +15,11 @@ import cpw.mods.fml.relauncher.SideOnly;
 public class EnergyFx extends EntityBreakingFX
 {
 
-	private IIcon particleTextureIndex;
+	private final IIcon particleTextureIndex;
 
-	private int startBlkX;
-	private int startBlkY;
-	private int startBlkZ;
+	private final int startBlkX;
+	private final int startBlkY;
+	private final int startBlkZ;
 
 	@Override
 	public int getFXLayer()

src/main/java/appeng/client/render/effects/LightningArcFX.java

@@ -5,7 +5,9 @@ import net.minecraft.world.World;
 public class LightningArcFX extends LightningFX
 {
 
-	double rx, ry, rz;
+	final double rx;
+	final double ry;
+	final double rz;
 
 	public LightningArcFX(World w, double x, double y, double z, double ex, double ey, double ez, double r, double g, double b) {
 		super( w, x, y, z, r, g, b, 6 );

src/main/java/appeng/client/render/effects/LightningFX.java

@@ -13,8 +13,8 @@ public class LightningFX extends EntityFX
 {
 
 	final int steps = getSteps();
-	static Random rng = new Random();
-	double[][] Steps;
+	static final Random rng = new Random();
+	final double[][] Steps;
 
 	protected LightningFX(World w, double x, double y, double z, double r, double g, double b, int maxAge) {
 		super( w, x, y, z, r, g, b );
@@ -172,8 +172,8 @@ public class LightningFX extends EntityFX
 	}
 
 	boolean hasData = false;
-	double[] I = new double[3];
-	double[] K = new double[3];
+	final double[] I = new double[3];
+	final double[] K = new double[3];
 
 	private void draw(Tessellator tess, double[] a, double[] b, double f6, double f8)
 	{

src/main/java/appeng/client/render/effects/MatterCannonFX.java

@@ -11,7 +11,7 @@ import appeng.client.texture.ExtraBlockTextures;
 public class MatterCannonFX extends EntityBreakingFX
 {
 
-	private IIcon particleTextureIndex;
+	private final IIcon particleTextureIndex;
 
 	public MatterCannonFX(World par1World, double par2, double par4, double par6, Item par8Item) {
 		super( par1World, par2, par4, par6, par8Item );