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Author: BrassApparatus (posted 2013-06-27 22:13:44, viewed 67 times)

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package com.brassapparatus.dust.main;

import java.util.Arrays;
import org.lwjgl.util.vector.Vector3f;

public class Chunk {

   public static final int CHUNK_SIZE = 4;   
   private static final byte[][][] defaultBlockList = new byte[CHUNK_SIZE][CHUNK_SIZE][CHUNK_SIZE];
   private byte[][][] blocks = new byte[CHUNK_SIZE][CHUNK_SIZE][CHUNK_SIZE];
   
   private Vector3f position;
   private boolean needsBuild = true;
   
   private float[] chunkVertices = new float[0];

   private int vao = -1, vertVbo = -1;

   private void initDefaultBlockList(){
      //set default block list == 00000000 for all blocks except z == 16 where list == 00000001
      for (int i = 0; i < CHUNK_SIZE; i++){
         for (int j = 0; j < CHUNK_SIZE; j++){
            for (int k = 0; k < CHUNK_SIZE; k++){
               if(j==0)
                  defaultBlockList[i][j][k] = (byte) ((i % 2 == 0) ? 1 : 1);//(byte)(((j == 1) || (j==2)) ? 0000001 : 00000000);
               
            }
         }
      }
   }
   
   public Chunk(int x, int y, int z){
      setPosition(new Vector3f(x, y, z));
      initDefaultBlockList();
      this.blocks = defaultBlockList;
      printBlocks();
   }
   
   public Chunk(int x, int y, int z, byte[][][] blocks){
      setPosition(new Vector3f(x, y, z));
      this.blocks = blocks;
      printBlocks();
   }

   
   public boolean needsBuild() {
      return needsBuild;
   }
   
   public void wasBuilt(){
      needsBuild = false;
   }

   public byte getBlock(int x, int y, int z){
      return blocks[x][y][z];
   }
   
   public void setBlock(int x, int y, int z, byte block){
      blocks[x][y][z] = block;
   }
   
   public byte[][][] getBlockList(){
      return blocks;
   }
   
   //####################GETTERS FOR VERTICES AND INDICES####################
   
   public float[] getChunkVertices(){
      return chunkVertices;
   }

   public int getVertVbo() {
      return vertVbo;
   }
   
   public void setVertVbo(int vertVbo) {
      this.vertVbo = vertVbo;
   }
   
   public int getVao(){
      return vao;
   }
   
   public void setVao(int vao){
      this.vao = vao;
   }
   
   //####################UTILITARIAN METHODS####################
   
   void appendChunkVertices(float[] newElements) {
       int l = chunkVertices.length;
       chunkVertices = Arrays.copyOf(chunkVertices, l + newElements.length);
       for (int i = l ; i < chunkVertices.length; i++){
          chunkVertices[i] = newElements[i - l];
       }
   }

   public Vector3f getPosition() {
      return position;
   }

   public void setPosition(Vector3f position) {
      this.position = position;
   }
   
   public void setPosition(int x, int y, int z) {
      this.position = new Vector3f ( x, y, z);
   }
   
   public void printBlocks(){
      for(int y = 0; y < CHUNK_SIZE; y++){
          System.out.print("layer " + Integer.valueOf(y) + "\n");
          for(int z = 0; z < CHUNK_SIZE; z++){
             for(int x = 0; x < CHUNK_SIZE; x++){
                System.out.print(blocks[x][y][z] == 00000000 ? "o" : "1" );
             }
             System.out.print("\n");
          }
          System.out.print("\n");
      }

   }
   
}





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