package net.minecraft.server; import java.util.Random; import org.bukkit.BlockChangeDelegate; // CraftBukkit public class WorldGenTrees extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface private final int a; private final boolean b; private final int c; private final int d; public WorldGenTrees(boolean flag) { this(flag, 4, 0, 0, false); } public WorldGenTrees(boolean flag, int i, int j, int k, boolean flag1) { super(flag); this.a = i; this.c = j; this.d = k; this.b = flag1; } public boolean a(World world, Random random, int i, int j, int k) { // CraftBukkit start - moved to generate return this.generate((BlockChangeDelegate) world, random, i, j, k); } public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k) { // CraftBukkit end int l = random.nextInt(3) + this.a; boolean flag = true; if (j >= 1 && j + l + 1 <= 256) { int i1; byte b0; int j1; int k1; for (i1 = j; i1 <= j + 1 + l; ++i1) { b0 = 1; if (i1 == j) { b0 = 0; } if (i1 >= j + 1 + l - 2) { b0 = 2; } for (int l1 = i - b0; l1 <= i + b0 && flag; ++l1) { for (j1 = k - b0; j1 <= k + b0 && flag; ++j1) { if (i1 >= 0 && i1 < 256) { k1 = world.getTypeId(l1, i1, j1); if (k1 != 0 && k1 != Block.LEAVES.id && k1 != Block.GRASS.id && k1 != Block.DIRT.id && k1 != Block.LOG.id) { flag = false; } } else { flag = false; } } } } if (!flag) { return false; } else { i1 = world.getTypeId(i, j - 1, k); if ((i1 == Block.GRASS.id || i1 == Block.DIRT.id) && j < 256 - l - 1) { this.setType(world, i, j - 1, k, Block.DIRT.id); b0 = 3; byte b1 = 0; int i2; int j2; int k2; for (j1 = j - b0 + l; j1 <= j + l; ++j1) { k1 = j1 - (j + l); i2 = b1 + 1 - k1 / 2; for (j2 = i - i2; j2 <= i + i2; ++j2) { k2 = j2 - i; for (int l2 = k - i2; l2 <= k + i2; ++l2) { int i3 = l2 - k; if ((Math.abs(k2) != i2 || Math.abs(i3) != i2 || random.nextInt(2) != 0 && k1 != 0) && world.isEmpty(j2, j1, l2)) { this.setTypeAndData(world, j2, j1, l2, Block.LEAVES.id, this.d); } } } } for (j1 = 0; j1 < l; ++j1) { k1 = world.getTypeId(i, j + j1, k); if (k1 == 0 || k1 == Block.LEAVES.id) { this.setTypeAndData(world, i, j + j1, k, Block.LOG.id, this.c); if (this.b && j1 > 0) { if (random.nextInt(3) > 0 && world.isEmpty(i - 1, j + j1, k)) { this.setTypeAndData(world, i - 1, j + j1, k, Block.VINE.id, 8); } if (random.nextInt(3) > 0 && world.isEmpty(i + 1, j + j1, k)) { this.setTypeAndData(world, i + 1, j + j1, k, Block.VINE.id, 2); } if (random.nextInt(3) > 0 && world.isEmpty(i, j + j1, k - 1)) { this.setTypeAndData(world, i, j + j1, k - 1, Block.VINE.id, 1); } if (random.nextInt(3) > 0 && world.isEmpty(i, j + j1, k + 1)) { this.setTypeAndData(world, i, j + j1, k + 1, Block.VINE.id, 4); } } } } if (this.b) { for (j1 = j - 3 + l; j1 <= j + l; ++j1) { k1 = j1 - (j + l); i2 = 2 - k1 / 2; for (j2 = i - i2; j2 <= i + i2; ++j2) { for (k2 = k - i2; k2 <= k + i2; ++k2) { if (world.getTypeId(j2, j1, k2) == Block.LEAVES.id) { if (random.nextInt(4) == 0 && world.getTypeId(j2 - 1, j1, k2) == 0) { this.b(world, j2 - 1, j1, k2, 8); } if (random.nextInt(4) == 0 && world.getTypeId(j2 + 1, j1, k2) == 0) { this.b(world, j2 + 1, j1, k2, 2); } if (random.nextInt(4) == 0 && world.getTypeId(j2, j1, k2 - 1) == 0) { this.b(world, j2, j1, k2 - 1, 1); } if (random.nextInt(4) == 0 && world.getTypeId(j2, j1, k2 + 1) == 0) { this.b(world, j2, j1, k2 + 1, 4); } } } } } if (random.nextInt(5) == 0 && l > 5) { for (j1 = 0; j1 < 2; ++j1) { for (k1 = 0; k1 < 4; ++k1) { if (random.nextInt(4 - j1) == 0) { i2 = random.nextInt(3); this.setTypeAndData(world, i + Direction.a[Direction.f[k1]], j + l - 5 + j1, k + Direction.b[Direction.f[k1]], Block.COCOA.id, i2 << 2 | k1); } } } } } return true; } else { return false; } } } else { return false; } } // CraftBukkit - Changed world to BlockChangeDelegate private void b(BlockChangeDelegate world, int i, int j, int k, int l) { this.setTypeAndData(world, i, j, k, Block.VINE.id, l); int i1 = 4; while (true) { --j; if (world.getTypeId(i, j, k) != 0 || i1 <= 0) { return; } this.setTypeAndData(world, i, j, k, Block.VINE.id, l); --i1; } } }