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package net.minecraft.server;
import org.bukkit.event.world.PortalCreateEvent; // CraftBukkit
public class PortalCreator {
private final World a;
private final int b;
private final int c;
private final int d;
private int e = 0;
private ChunkCoordinates f;
private int g;
private int h;
java.util.Collection<org.bukkit.block.Block> blocks; // CraftBukkit
public PortalCreator(World world, int i, int j, int k, int l) {
this.a = world;
this.b = l;
this.d = BlockPortal.a[l][0];
this.c = BlockPortal.a[l][1];
for (int i1 = j; j > i1 - 21 && j > 0 && this.a(world.getType(i, j - 1, k)); --j) {
;
}
int j1 = this.a(i, j, k, this.d) - 1;
if (j1 >= 0) {
this.f = new ChunkCoordinates(i + j1 * Direction.a[this.d], j, k + j1 * Direction.b[this.d]);
this.h = this.a(this.f.x, this.f.y, this.f.z, this.c);
if (this.h < 2 || this.h > 21) {
this.f = null;
this.h = 0;
}
}
if (this.f != null) {
this.g = this.a();
}
}
protected int a(int i, int j, int k, int l) {
int i1 = Direction.a[l];
int j1 = Direction.b[l];
int k1;
Block block;
for (k1 = 0; k1 < 22; ++k1) {
block = this.a.getType(i + i1 * k1, j, k + j1 * k1);
if (!this.a(block)) {
break;
}
Block block1 = this.a.getType(i + i1 * k1, j - 1, k + j1 * k1);
if (block1 != Blocks.OBSIDIAN) {
break;
}
}
block = this.a.getType(i + i1 * k1, j, k + j1 * k1);
return block == Blocks.OBSIDIAN ? k1 : 0;
}
protected int a() {
this.blocks = new java.util.HashSet<org.bukkit.block.Block>(); // CraftBukkit
org.bukkit.World bworld = this.a.getWorld();
int i;
int j;
int k;
int l;
label56:
for (this.g = 0; this.g < 21; ++this.g) {
i = this.f.y + this.g;
for (j = 0; j < this.h; ++j) {
k = this.f.x + j * Direction.a[BlockPortal.a[this.b][1]];
l = this.f.z + j * Direction.b[BlockPortal.a[this.b][1]];
Block block = this.a.getType(k, i, l);
if (!this.a(block)) {
break label56;
}
if (block == Blocks.PORTAL) {
++this.e;
}
if (j == 0) {
block = this.a.getType(k + Direction.a[BlockPortal.a[this.b][0]], i, l + Direction.b[BlockPortal.a[this.b][0]]);
if (block != Blocks.OBSIDIAN) {
break label56;
// CraftBukkit start - add the block to our list
} else {
blocks.add(bworld.getBlockAt(k + Direction.a[BlockPortal.a[this.b][0]], i, l + Direction.b[BlockPortal.a[this.b][0]]));
// CraftBukkit end
}
} else if (j == this.h - 1) {
block = this.a.getType(k + Direction.a[BlockPortal.a[this.b][1]], i, l + Direction.b[BlockPortal.a[this.b][1]]);
if (block != Blocks.OBSIDIAN) {
break label56;
// CraftBukkit start - add the block to our list
} else {
blocks.add(bworld.getBlockAt(k + Direction.a[BlockPortal.a[this.b][1]], i, l + Direction.b[BlockPortal.a[this.b][1]]));
// CraftBukkit end
}
}
}
}
for (i = 0; i < this.h; ++i) {
j = this.f.x + i * Direction.a[BlockPortal.a[this.b][1]];
k = this.f.y + this.g;
l = this.f.z + i * Direction.b[BlockPortal.a[this.b][1]];
if (this.a.getType(j, k, l) != Blocks.OBSIDIAN) {
this.g = 0;
break;
}
}
if (this.g <= 21 && this.g >= 3) {
return this.g;
} else {
this.f = null;
this.h = 0;
this.g = 0;
return 0;
}
}
protected boolean a(Block block) {
return block.material == Material.AIR || block == Blocks.FIRE || block == Blocks.PORTAL;
}
public boolean b() {
return this.f != null && this.h >= 2 && this.h <= 21 && this.g >= 3 && this.g <= 21;
}
// CraftBukkit start - return boolean
public boolean c() {
org.bukkit.World bworld = this.a.getWorld();
// Copy below for loop
for (int i = 0; i < this.h; ++i) {
int j = this.f.x + Direction.a[this.c] * i;
int k = this.f.z + Direction.b[this.c] * i;
for (int l = 0; l < this.g; ++l) {
int i1 = this.f.y + l;
bworld.getBlockAt(j, i1, k);
}
}
PortalCreateEvent event = new PortalCreateEvent(blocks, bworld, PortalCreateEvent.CreateReason.FIRE);
this.a.getServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
return false;
}
// CraftBukkit end
for (int i = 0; i < this.h; ++i) {
int j = this.f.x + Direction.a[this.c] * i;
int k = this.f.z + Direction.b[this.c] * i;
for (int l = 0; l < this.g; ++l) {
int i1 = this.f.y + l;
this.a.setTypeAndData(j, i1, k, Blocks.PORTAL, this.b, 2);
}
}
return true; // CraftBukkit
}
static int a(PortalCreator portalcreator) {
return portalcreator.e;
}
static int b(PortalCreator portalcreator) {
return portalcreator.h;
}
static int c(PortalCreator portalcreator) {
return portalcreator.g;
}
}
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