package net.minecraft.server; import java.util.Random; import org.bukkit.BlockFace; import org.bukkit.craftbukkit.CraftBlock; import org.bukkit.event.Event.Type; import org.bukkit.event.block.BlockFromToEvent; public class BlockFlowing extends BlockFluids { int a; boolean b[]; int c[]; protected BlockFlowing(int i1, Material material) { super(i1, material); a = 0; b = new boolean[4]; c = new int[4]; } private void i(World world, int i1, int j1, int k1) { int l1 = world.b(i1, j1, k1); world.a(i1, j1, k1, bh + 1, l1); world.b(i1, j1, k1, i1, j1, k1); world.g(i1, j1, k1); } public void a(World world, int i1, int j1, int k1, Random random) { int l1 = g(world, i1, j1, k1); byte byte0 = 1; if (bs == Material.g && !world.q.d) { byte0 = 2; } boolean flag = true; if (l1 > 0) { int i2 = -100; a = 0; i2 = e(world, i1 - 1, j1, k1, i2); i2 = e(world, i1 + 1, j1, k1, i2); i2 = e(world, i1, j1, k1 - 1, i2); i2 = e(world, i1, j1, k1 + 1, i2); int j2 = i2 + byte0; if (j2 >= 8 || i2 < 0) { j2 = -1; } if (g(world, i1, j1 + 1, k1) >= 0) { int l2 = g(world, i1, j1 + 1, k1); if (l2 >= 8) { j2 = l2; } else { j2 = l2 + 8; } } if (a >= 2 && bs == Material.f) { if (world.d(i1, j1 - 1, k1)) { j2 = 0; } else if (world.c(i1, j1 - 1, k1) == bs && world.b(i1, j1, k1) == 0) { j2 = 0; } } if (bs == Material.g && l1 < 8 && j2 < 8 && j2 > l1 && random.nextInt(4) != 0) { j2 = l1; flag = false; } if (j2 != l1) { l1 = j2; if (l1 < 0) { world.d(i1, j1, k1, 0); } else { world.b(i1, j1, k1, l1); world.h(i1, j1, k1, bh); world.g(i1, j1, k1, bh); } } else if (flag) { i(world, i1, j1, k1); } } else { i(world, i1, j1, k1); } // Craftbukkit start CraftBlock source = (CraftBlock) ((WorldServer) world).getWorld().getBlockAt(i1, j1, k1); if (l(world, i1, j1 - 1, k1)) { // Craftbucket send "down" to the server BlockFromToEvent blockFlow = new BlockFromToEvent(Type.BLOCK_FLOW, source, BlockFace.Down); ((WorldServer) world).getServer().getPluginManager().callEvent(blockFlow); if (!blockFlow.isCancelled()) { if (l1 >= 8) { world.b(i1, j1 - 1, k1, bh, l1); } else { world.b(i1, j1 - 1, k1, bh, l1 + 8); } } } else if (l1 >= 0 && (l1 == 0 || k(world, i1, j1 - 1, k1))) { boolean aflag[] = j(world, i1, j1, k1); int k2 = l1 + byte0; if (l1 >= 8) { k2 = 1; } if (k2 >= 8) { return; } // Craftbukkit all four cardinal directions. Do not change the order! BlockFace[] faces = new BlockFace[]{ BlockFace.North, BlockFace.South, BlockFace.East, BlockFace.West }; int index = 0; for (BlockFace currentFace : faces) { if (aflag[index]) { BlockFromToEvent event = new BlockFromToEvent(Type.BLOCK_FLOW, source, currentFace); ((WorldServer) world).getServer().getPluginManager().callEvent(event); if (!event.isCancelled()) { f(world, i1 + currentFace.getModX(), j1, k1 + currentFace.getModZ(), k2); } } index++; } } // Craftbukkit stop } private void f(World world, int i1, int j1, int k1, int l1) { if (l(world, i1, j1, k1)) { int i2 = world.a(i1, j1, k1); if (i2 > 0) { if (bs == Material.g) { h(world, i1, j1, k1); } else { Block.m[i2].a_(world, i1, j1, k1, world.b(i1, j1, k1)); } } world.b(i1, j1, k1, bh, l1); } } private int a(World world, int i1, int j1, int k1, int l1, int i2) { int j2 = 1000; for (int k2 = 0; k2 < 4; k2++) { if (k2 == 0 && i2 == 1 || k2 == 1 && i2 == 0 || k2 == 2 && i2 == 3 || k2 == 3 && i2 == 2) { continue; } int l2 = i1; int i3 = j1; int j3 = k1; if (k2 == 0) { l2--; } if (k2 == 1) { l2++; } if (k2 == 2) { j3--; } if (k2 == 3) { j3++; } if (k(world, l2, i3, j3) || world.c(l2, i3, j3) == bs && world.b(l2, i3, j3) == 0) { continue; } if (!k(world, l2, i3 - 1, j3)) { return l1; } if (l1 >= 4) { continue; } int k3 = a(world, l2, i3, j3, l1 + 1, k2); if (k3 < j2) { j2 = k3; } } return j2; } private boolean[] j(World world, int i1, int j1, int k1) { for (int l1 = 0; l1 < 4; l1++) { c[l1] = 1000; int j2 = i1; int i3 = j1; int j3 = k1; if (l1 == 0) { j2--; } if (l1 == 1) { j2++; } if (l1 == 2) { j3--; } if (l1 == 3) { j3++; } if (k(world, j2, i3, j3) || world.c(j2, i3, j3) == bs && world.b(j2, i3, j3) == 0) { continue; } if (!k(world, j2, i3 - 1, j3)) { c[l1] = 0; } else { c[l1] = a(world, j2, i3, j3, 1, l1); } } int i2 = c[0]; for (int k2 = 1; k2 < 4; k2++) { if (c[k2] < i2) { i2 = c[k2]; } } for (int l2 = 0; l2 < 4; l2++) { b[l2] = c[l2] == i2; } return b; } private boolean k(World world, int i1, int j1, int k1) { int l1 = world.a(i1, j1, k1); if (l1 == Block.aE.bh || l1 == Block.aL.bh || l1 == Block.aD.bh || l1 == Block.aF.bh || l1 == Block.aX.bh) { return true; } if (l1 == 0) { return false; } Material material = Block.m[l1].bs; return material.a(); } protected int e(World world, int i1, int j1, int k1, int l1) { int i2 = g(world, i1, j1, k1); if (i2 < 0) { return l1; } if (i2 == 0) { a++; } if (i2 >= 8) { i2 = 0; } return l1 >= 0 && i2 >= l1 ? l1 : i2; } private boolean l(World world, int i1, int j1, int k1) { Material material = world.c(i1, j1, k1); if (material == bs) { return false; } if (material == Material.g) { return false; } else { return !k(world, i1, j1, k1); } } public void e(World world, int i1, int j1, int k1) { super.e(world, i1, j1, k1); if (world.a(i1, j1, k1) == bh) { world.h(i1, j1, k1, bh); } } }