package net.minecraft.server; import java.util.Random; public class WorldGenSwampTree extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit - add interface public WorldGenSwampTree() {} public boolean a(World world, Random random, int i, int j, int k) { return generate((org.bukkit.BlockChangeDelegate) world, random, i, j, k); } public boolean generate(org.bukkit.BlockChangeDelegate world, Random random, int i, int j, int k) { int l; for (l = random.nextInt(4) + 5; world.getTypeId(i, j - 1, k) != 0 && Block.byId[world.getTypeId(i, j - 1, k)].material == Material.WATER; --j) { // CraftBukkit - bypass World.getMaterial ; } boolean flag = true; if (j >= 1 && j + l + 1 <= 128) { int i1; int j1; int k1; int l1; for (i1 = j; i1 <= j + 1 + l; ++i1) { byte b0 = 1; if (i1 == j) { b0 = 0; } if (i1 >= j + 1 + l - 2) { b0 = 3; } for (j1 = i - b0; j1 <= i + b0 && flag; ++j1) { for (k1 = k - b0; k1 <= k + b0 && flag; ++k1) { if (i1 >= 0 && i1 < 128) { l1 = world.getTypeId(j1, i1, k1); if (l1 != 0 && l1 != Block.LEAVES.id) { if (l1 != Block.STATIONARY_WATER.id && l1 != Block.WATER.id) { flag = false; } else if (i1 > j) { 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 < 128 - l - 1) { world.setRawTypeId(i, j - 1, k, Block.DIRT.id); int i2; int j2; for (j2 = j - 3 + l; j2 <= j + l; ++j2) { j1 = j2 - (j + l); k1 = 2 - j1 / 2; for (l1 = i - k1; l1 <= i + k1; ++l1) { i2 = l1 - i; for (int k2 = k - k1; k2 <= k + k1; ++k2) { int l2 = k2 - k; if ((Math.abs(i2) != k1 || Math.abs(l2) != k1 || random.nextInt(2) != 0 && j1 != 0) && !Block.n[world.getTypeId(l1, j2, k2)]) { world.setRawTypeId(l1, j2, k2, Block.LEAVES.id); } } } } for (j2 = 0; j2 < l; ++j2) { j1 = world.getTypeId(i, j + j2, k); if (j1 == 0 || j1 == Block.LEAVES.id || j1 == Block.WATER.id || j1 == Block.STATIONARY_WATER.id) { world.setRawTypeId(i, j + j2, k, Block.LOG.id); } } for (j2 = j - 3 + l; j2 <= j + l; ++j2) { j1 = j2 - (j + l); k1 = 2 - j1 / 2; for (l1 = i - k1; l1 <= i + k1; ++l1) { for (i2 = k - k1; i2 <= k + k1; ++i2) { if (world.getTypeId(l1, j2, i2) == Block.LEAVES.id) { if (random.nextInt(4) == 0 && world.getTypeId(l1 - 1, j2, i2) == 0) { this.a(world, l1 - 1, j2, i2, 8); } if (random.nextInt(4) == 0 && world.getTypeId(l1 + 1, j2, i2) == 0) { this.a(world, l1 + 1, j2, i2, 2); } if (random.nextInt(4) == 0 && world.getTypeId(l1, j2, i2 - 1) == 0) { this.a(world, l1, j2, i2 - 1, 1); } if (random.nextInt(4) == 0 && world.getTypeId(l1, j2, i2 + 1) == 0) { this.a(world, l1, j2, i2 + 1, 4); } } } } } return true; } else { return false; } } } else { return false; } } private void a(org.bukkit.BlockChangeDelegate world, int i, int j, int k, int l) { // CraftBukkit - change signature world.setTypeIdAndData(i, j, k, Block.VINE.id, l); int i1 = 4; while (true) { --j; if (world.getTypeId(i, j, k) != 0 || i1 <= 0) { return; } world.setTypeIdAndData(i, j, k, Block.VINE.id, l); --i1; } } }