Updated to Minecraft 1.1

src/main/java/net/minecraft/server/Block.java

@@ -284,10 +284,10 @@ public class Block {
     }
 
     public boolean a(int i, boolean flag) {
-        return this.v_();
+        return this.x_();
     }
 
-    public boolean v_() {
+    public boolean x_() {
         return true;
     }
 
@@ -571,6 +571,8 @@ public class Block {
         return this.material.getPushReaction();
     }
 
+    public void a(World world, int i, int j, int k, Entity entity, float f) {}
+
     static {
         Item.byId[WOOL.id] = (new ItemCloth(WOOL.id - 256)).a("cloth");
         Item.byId[LOG.id] = (new ItemWithAuxData(LOG.id - 256, LOG)).a("log");