net.minecraft.server.OldChunkLoader Maven / Gradle / Ivy

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package net.minecraft.server;

public class OldChunkLoader {

  public static OldChunkLoader.OldChunk a(NBTTagCompound nbttagcompound) {
    int i = nbttagcompound.getInt("xPos");
    int j = nbttagcompound.getInt("zPos");
    OldChunkLoader.OldChunk oldchunkloader_oldchunk = new OldChunkLoader.OldChunk(i, j);

    oldchunkloader_oldchunk.g = nbttagcompound.getByteArray("Blocks");
    oldchunkloader_oldchunk.f = new OldNibbleArray(nbttagcompound.getByteArray("Data"), 7);
    oldchunkloader_oldchunk.e = new OldNibbleArray(nbttagcompound.getByteArray("SkyLight"), 7);
    oldchunkloader_oldchunk.d = new OldNibbleArray(nbttagcompound.getByteArray("BlockLight"), 7);
    oldchunkloader_oldchunk.c = nbttagcompound.getByteArray("HeightMap");
    oldchunkloader_oldchunk.b = nbttagcompound.getBoolean("TerrainPopulated");
    oldchunkloader_oldchunk.h = nbttagcompound.getList("Entities", 10);
    oldchunkloader_oldchunk.i = nbttagcompound.getList("TileEntities", 10);
    oldchunkloader_oldchunk.j = nbttagcompound.getList("TileTicks", 10);

    try {
      oldchunkloader_oldchunk.a = nbttagcompound.getLong("LastUpdate");
    } catch (ClassCastException classcastexception) {
      oldchunkloader_oldchunk.a = nbttagcompound.getInt("LastUpdate");
    }

    return oldchunkloader_oldchunk;
  }

  public static void a(OldChunkLoader.OldChunk oldchunkloader_oldchunk, NBTTagCompound nbttagcompound, WorldChunkManager worldchunkmanager) {
    nbttagcompound.setInt("xPos", oldchunkloader_oldchunk.k);
    nbttagcompound.setInt("zPos", oldchunkloader_oldchunk.l);
    nbttagcompound.setLong("LastUpdate", oldchunkloader_oldchunk.a);
    int[] aint = new int[oldchunkloader_oldchunk.c.length];

    for (int i = 0; i < oldchunkloader_oldchunk.c.length; ++i) {
      aint[i] = oldchunkloader_oldchunk.c[i];
    }

    nbttagcompound.setIntArray("HeightMap", aint);
    nbttagcompound.setBoolean("TerrainPopulated", oldchunkloader_oldchunk.b);
    NBTTagList nbttaglist = new NBTTagList();

    int j;
    int k;

    for (int l = 0; l < 8; ++l) {
      boolean flag = true;

      for (j = 0; j < 16 && flag; ++j) {
        k = 0;

        while (k < 16 && flag) {
          int i1 = 0;

          while (true) {
            if (i1 < 16) {
              int j1 = j << 11 | i1 << 7 | k + (l << 4);
              byte b0 = oldchunkloader_oldchunk.g[j1];

              if (b0 == 0) {
                ++i1;
                continue;
              }

              flag = false;
            }

            ++k;
            break;
          }
        }
      }

      if (!flag) {
        byte[] abyte = new byte[4096];
        NibbleArray nibblearray = new NibbleArray();
        NibbleArray nibblearray1 = new NibbleArray();
        NibbleArray nibblearray2 = new NibbleArray();

        for (int k1 = 0; k1 < 16; ++k1) {
          for (int l1 = 0; l1 < 16; ++l1) {
            for (int i2 = 0; i2 < 16; ++i2) {
              int j2 = k1 << 11 | i2 << 7 | l1 + (l << 4);
              byte b1 = oldchunkloader_oldchunk.g[j2];

              abyte[l1 << 8 | i2 << 4 | k1] = (byte) (b1 & 255);
              nibblearray.a(k1, l1, i2, oldchunkloader_oldchunk.f.a(k1, l1 + (l << 4), i2));
              nibblearray1.a(k1, l1, i2, oldchunkloader_oldchunk.e.a(k1, l1 + (l << 4), i2));
              nibblearray2.a(k1, l1, i2, oldchunkloader_oldchunk.d.a(k1, l1 + (l << 4), i2));
            }
          }
        }

        NBTTagCompound nbttagcompound1 = new NBTTagCompound();

        nbttagcompound1.setByte("Y", (byte) (l & 255));
        nbttagcompound1.setByteArray("Blocks", abyte);
        nbttagcompound1.setByteArray("Data", nibblearray.a());
        nbttagcompound1.setByteArray("SkyLight", nibblearray1.a());
        nbttagcompound1.setByteArray("BlockLight", nibblearray2.a());
        nbttaglist.add(nbttagcompound1);
      }
    }

    nbttagcompound.set("Sections", nbttaglist);
    byte[] abyte1 = new byte[256];
    BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();

    for (j = 0; j < 16; ++j) {
      for (k = 0; k < 16; ++k) {
        blockposition_mutableblockposition.c(oldchunkloader_oldchunk.k << 4 | j, 0, oldchunkloader_oldchunk.l << 4 | k);
        abyte1[k << 4 | j] = (byte) (worldchunkmanager.getBiome(blockposition_mutableblockposition, BiomeBase.ad).id & 255);
      }
    }

    nbttagcompound.setByteArray("Biomes", abyte1);
    nbttagcompound.set("Entities", oldchunkloader_oldchunk.h);
    nbttagcompound.set("TileEntities", oldchunkloader_oldchunk.i);
    if (oldchunkloader_oldchunk.j != null) {
      nbttagcompound.set("TileTicks", oldchunkloader_oldchunk.j);
    }

  }

  public static class OldChunk {

    public final int k;
    public final int l;
    public long a;
    public boolean b;
    public byte[] c;
    public OldNibbleArray d;
    public OldNibbleArray e;
    public OldNibbleArray f;
    public byte[] g;
    public NBTTagList h;
    public NBTTagList i;
    public NBTTagList j;

    public OldChunk(int i, int j) {
      this.k = i;
      this.l = j;
    }
  }
}