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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
{
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 start
BlockFace[] faces = new BlockFace[]{ BlockFace.North, BlockFace.South, BlockFace.East, BlockFace.West };
for (BlockFace currentFace : faces) {
int index = 0;
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);
}
int a;
boolean b[];
int c[];
}
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