Temp arrays are evil, (memory optimisation)

src/main/java/org/spacehq/mc/protocol/util/NetUtil.java

@@ -60,11 +60,11 @@ public class NetUtil {
                         chunks[ind] = new Chunk(sky || hasSkyLight);
 
                         buf.position(pos / 2);
-                        short[] tempData = new short[4096];
-                        buf.get(tempData, 0, tempData.length);
+                        int buffPos = buf.position();
                         // convert short array to new one
-                        int index = 0;
-                        for(short ss:tempData){
+
+                        for (int index = 0; index < 4096; index++) {
+                            short ss = buf.get(buffPos + index);
                             // s is 16 bits, 12 bits id and 4 bits data
                             int data = ss & 0xF;
                             int id = (ss >> 4) << 4 | data;
@@ -72,9 +72,8 @@ public class NetUtil {
                             int newCombined = id; // test
 
                             chunks[ind].getBlocks().set(index, newCombined);
-                            index++;
                         }
-                        pos += tempData.length * 2;
+                        pos += 4096 * 2;
 
                     }