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package net.minecraft.server;
import java.util.Random;
// CraftBukkit start
import org.bukkit.event.world.PortalCreateEvent;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.Bukkit;
// CraftBukkit end
public class PortalTravelAgent {
private Random a = new Random();
public PortalTravelAgent() {}
public void a(World world, Entity entity) {
if (!this.b(world, entity)) {
this.c(world, entity);
this.b(world, entity);
}
}
public boolean b(World world, Entity entity) {
short short1 = 128;
double d0 = -1.0D;
int i = 0;
int j = 0;
int k = 0;
int l = MathHelper.floor(entity.locX);
int i1 = MathHelper.floor(entity.locZ);
double d1;
for (int j1 = l - short1; j1 <= l + short1; ++j1) {
double d2 = (double) j1 + 0.5D - entity.locX;
for (int k1 = i1 - short1; k1 <= i1 + short1; ++k1) {
double d3 = (double) k1 + 0.5D - entity.locZ;
for (int l1 = 127; l1 >= 0; --l1) {
if (world.getTypeId(j1, l1, k1) == Block.PORTAL.id) {
while (world.getTypeId(j1, l1 - 1, k1) == Block.PORTAL.id) {
--l1;
}
d1 = (double) l1 + 0.5D - entity.locY;
double d4 = d2 * d2 + d1 * d1 + d3 * d3;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
i = j1;
j = l1;
k = k1;
}
}
}
}
}
if (d0 >= 0.0D) {
double d5 = (double) i + 0.5D;
double d6 = (double) j + 0.5D;
d1 = (double) k + 0.5D;
if (world.getTypeId(i - 1, j, k) == Block.PORTAL.id) {
d5 -= 0.5D;
}
if (world.getTypeId(i + 1, j, k) == Block.PORTAL.id) {
d5 += 0.5D;
}
if (world.getTypeId(i, j, k - 1) == Block.PORTAL.id) {
d1 -= 0.5D;
}
if (world.getTypeId(i, j, k + 1) == Block.PORTAL.id) {
d1 += 0.5D;
}
entity.setPositionRotation(d5, d6, d1, entity.yaw, 0.0F);
entity.motX = entity.motY = entity.motZ = 0.0D;
return true;
} else {
return false;
}
}
public boolean c(World world, Entity entity) {
byte b0 = 16;
double d0 = -1.0D;
int i = MathHelper.floor(entity.locX);
int j = MathHelper.floor(entity.locY);
int k = MathHelper.floor(entity.locZ);
int l = i;
int i1 = j;
int j1 = k;
int k1 = 0;
int l1 = this.a.nextInt(4);
int i2;
double d1;
int j2;
double d2;
int k2;
int l2;
int i3;
int j3;
int k3;
int l3;
int i4;
int j4;
int k4;
double d3;
double d4;
for (i2 = i - b0; i2 <= i + b0; ++i2) {
d1 = (double) i2 + 0.5D - entity.locX;
for (j2 = k - b0; j2 <= k + b0; ++j2) {
d2 = (double) j2 + 0.5D - entity.locZ;
label271:
for (l2 = 127; l2 >= 0; --l2) {
if (world.isEmpty(i2, l2, j2)) {
while (l2 > 0 && world.isEmpty(i2, l2 - 1, j2)) {
--l2;
}
for (k2 = l1; k2 < l1 + 4; ++k2) {
j3 = k2 % 2;
i3 = 1 - j3;
if (k2 % 4 >= 2) {
j3 = -j3;
i3 = -i3;
}
for (l3 = 0; l3 < 3; ++l3) {
for (k3 = 0; k3 < 4; ++k3) {
for (j4 = -1; j4 < 4; ++j4) {
i4 = i2 + (k3 - 1) * j3 + l3 * i3;
k4 = l2 + j4;
int l4 = j2 + (k3 - 1) * i3 - l3 * j3;
if (j4 < 0 && !world.getMaterial(i4, k4, l4).isBuildable() || j4 >= 0 && !world.isEmpty(i4, k4, l4)) {
continue label271;
}
}
}
}
d3 = (double) l2 + 0.5D - entity.locY;
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
l = i2;
i1 = l2;
j1 = j2;
k1 = k2 % 4;
}
}
}
}
}
}
if (d0 < 0.0D) {
for (i2 = i - b0; i2 <= i + b0; ++i2) {
d1 = (double) i2 + 0.5D - entity.locX;
for (j2 = k - b0; j2 <= k + b0; ++j2) {
d2 = (double) j2 + 0.5D - entity.locZ;
label219:
for (l2 = 127; l2 >= 0; --l2) {
if (world.isEmpty(i2, l2, j2)) {
while (world.isEmpty(i2, l2 - 1, j2)) {
--l2;
}
for (k2 = l1; k2 < l1 + 2; ++k2) {
j3 = k2 % 2;
i3 = 1 - j3;
for (l3 = 0; l3 < 4; ++l3) {
for (k3 = -1; k3 < 4; ++k3) {
j4 = i2 + (l3 - 1) * j3;
i4 = l2 + k3;
k4 = j2 + (l3 - 1) * i3;
if (k3 < 0 && !world.getMaterial(j4, i4, k4).isBuildable() || k3 >= 0 && !world.isEmpty(j4, i4, k4)) {
continue label219;
}
}
}
d3 = (double) l2 + 0.5D - entity.locY;
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
l = i2;
i1 = l2;
j1 = j2;
k1 = k2 % 2;
}
}
}
}
}
}
}
int i5 = l;
int j5 = i1;
j2 = j1;
int k5 = k1 % 2;
int l5 = 1 - k5;
if (k1 % 4 >= 2) {
k5 = -k5;
l5 = -l5;
}
boolean flag;
// CraftBukkit start - portal create event
java.util.ArrayList<org.bukkit.block.Block> blocks = new java.util.ArrayList<org.bukkit.block.Block>();
//Find out what blocks the portal is going to modify, duplicated from below
CraftWorld craftWorld = ((WorldServer) world).getWorld();
if (d0 < 0.0D) {
if (i1 < 70) {
i1 = 70;
}
if (i1 > 118) {
i1 = 118;
}
j5 = i1;
for (l2 = -1; l2 <= 1; ++l2) {
for (k2 = 1; k2 < 3; ++k2) {
for (j3 = -1; j3 < 3; ++j3) {
i3 = i5 + (k2 - 1) * k5 + l2 * l5;
l3 = j5 + j3;
k3 = j2 + (k2 - 1) * l5 - l2 * k5;
org.bukkit.block.Block b = craftWorld.getBlockAt(i3, l3, k3);
if (!blocks.contains(b)) {
blocks.add(b);
}
}
}
}
}
for (l2 = 0; l2 < 4; ++l2) {
for (k2 = 0; k2 < 4; ++k2) {
for (j3 = -1; j3 < 4; ++j3) {
i3 = i5 + (k2 - 1) * k5;
l3 = j5 + j3;
k3 = j2 + (k2 - 1) * l5;
org.bukkit.block.Block b = craftWorld.getBlockAt(i3, l3, k3);
if (!blocks.contains(b)) {
blocks.add(b);
}
}
}
}
PortalCreateEvent event = new PortalCreateEvent(blocks,(org.bukkit.World)craftWorld);
Bukkit.getServer().getPluginManager().callEvent(event);
if(event.isCancelled()) return true;
// CraftBukkit end
if (d0 < 0.0D) {
if (i1 < 70) {
i1 = 70;
}
if (i1 > 118) {
i1 = 118;
}
j5 = i1;
for (l2 = -1; l2 <= 1; ++l2) {
for (k2 = 1; k2 < 3; ++k2) {
for (j3 = -1; j3 < 3; ++j3) {
i3 = i5 + (k2 - 1) * k5 + l2 * l5;
l3 = j5 + j3;
k3 = j2 + (k2 - 1) * l5 - l2 * k5;
flag = j3 < 0;
world.setTypeId(i3, l3, k3, flag ? Block.OBSIDIAN.id : 0);
}
}
}
}
for (l2 = 0; l2 < 4; ++l2) {
world.o = true;
for (k2 = 0; k2 < 4; ++k2) {
for (j3 = -1; j3 < 4; ++j3) {
i3 = i5 + (k2 - 1) * k5;
l3 = j5 + j3;
k3 = j2 + (k2 - 1) * l5;
flag = k2 == 0 || k2 == 3 || j3 == -1 || j3 == 3;
world.setTypeId(i3, l3, k3, flag ? Block.OBSIDIAN.id : Block.PORTAL.id);
}
}
world.o = false;
for (k2 = 0; k2 < 4; ++k2) {
for (j3 = -1; j3 < 4; ++j3) {
i3 = i5 + (k2 - 1) * k5;
l3 = j5 + j3;
k3 = j2 + (k2 - 1) * l5;
world.applyPhysics(i3, l3, k3, world.getTypeId(i3, l3, k3));
}
}
}
return true;
}
}
|
