net.minecraft.server.PortalTravelAgent Maven / Gradle / Ivy
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package net.minecraft.server;
import com.google.common.collect.Lists;
import org.bukkit.Location;
import org.bukkit.event.entity.EntityPortalExitEvent;
import org.bukkit.util.Vector;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
// CraftBukkit end
public class PortalTravelAgent {
private final WorldServer a;
private final Random b;
private final LongHashMap c = new LongHashMap();
private final List d = Lists.newArrayList();
public PortalTravelAgent(WorldServer worldserver) {
this.a = worldserver;
this.b = new Random(worldserver.getSeed());
}
public void a(Entity entity, float f) {
if (this.a.worldProvider.getDimension() != 1) {
if (!this.b(entity, f)) {
this.a(entity);
this.b(entity, f);
}
} else {
int i = MathHelper.floor(entity.locX);
int j = MathHelper.floor(entity.locY) - 1;
int k = MathHelper.floor(entity.locZ);
// CraftBukkit start - Modularize end portal creation
BlockPosition created = this.createEndPortal(entity.locX, entity.locY, entity.locZ);
entity.setPositionRotation(created.getX(), created.getY(), created.getZ(), entity.yaw, 0.0F);
entity.motX = entity.motY = entity.motZ = 0.0D;
}
}
// Split out from original a(Entity, double, double, double, float) method in order to enable being called from createPortal
private BlockPosition createEndPortal(double x, double y, double z) {
int i = MathHelper.floor(x);
int j = MathHelper.floor(y) - 1;
int k = MathHelper.floor(z);
// CraftBukkit end
byte b0 = 1;
byte b1 = 0;
for (int l = -2; l <= 2; ++l) {
for (int i1 = -2; i1 <= 2; ++i1) {
for (int j1 = -1; j1 < 3; ++j1) {
int k1 = i + i1 * b0 + l * b1;
int l1 = j + j1;
int i2 = k + i1 * b1 - l * b0;
boolean flag = j1 < 0;
this.a.setTypeUpdate(new BlockPosition(k1, l1, i2), flag ? Blocks.OBSIDIAN.getBlockData() : Blocks.AIR.getBlockData());
}
}
}
// CraftBukkit start
return new BlockPosition(i, k, k);
}
// use logic based on creation to verify end portal
private BlockPosition findEndPortal(BlockPosition portal) {
int i = portal.getX();
int j = portal.getY() - 1;
int k = portal.getZ();
byte b0 = 1;
byte b1 = 0;
for (int l = -2; l <= 2; ++l) {
for (int i1 = -2; i1 <= 2; ++i1) {
for (int j1 = -1; j1 < 3; ++j1) {
int k1 = i + i1 * b0 + l * b1;
int l1 = j + j1;
int i2 = k + i1 * b1 - l * b0;
boolean flag = j1 < 0;
if (this.a.getType(new BlockPosition(k1, l1, i2)).getBlock() != (flag ? Blocks.OBSIDIAN : Blocks.AIR)) {
return null;
}
}
}
}
return new BlockPosition(i, j, k);
}
// CraftBukkit end
public boolean b(Entity entity, float f) {
// CraftBukkit start - Modularize portal search process and entity teleportation
BlockPosition found = this.findPortal(entity.locX, entity.locY, entity.locZ, 128);
if (found == null) {
return false;
}
Location exit = new Location(this.a.getWorld(), found.getX(), found.getY(), found.getZ(), f, entity.pitch);
Vector velocity = entity.getBukkitEntity().getVelocity();
this.adjustExit(entity, exit, velocity);
entity.setPositionRotation(exit.getX(), exit.getY(), exit.getZ(), exit.getYaw(), exit.getPitch());
if (entity.motX != velocity.getX() || entity.motY != velocity.getY() || entity.motZ != velocity.getZ()) {
entity.getBukkitEntity().setVelocity(velocity);
}
return true;
}
public BlockPosition findPortal(double x, double y, double z, int short1) {
if (this.a.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END) {
return this.findEndPortal(this.a.worldProvider.h());
}
// CraftBukkit end
double d0 = -1.0D;
// CraftBukkit start
int i = MathHelper.floor(x);
int j = MathHelper.floor(z);
// CraftBukkit end
boolean flag1 = true;
Object object = BlockPosition.ZERO;
long k = ChunkCoordIntPair.a(i, j);
if (this.c.contains(k)) {
PortalTravelAgent.ChunkCoordinatesPortal portaltravelagent_chunkcoordinatesportal = this.c.getEntry(k);
d0 = 0.0D;
object = portaltravelagent_chunkcoordinatesportal;
portaltravelagent_chunkcoordinatesportal.c = this.a.getTime();
flag1 = false;
} else {
BlockPosition blockposition = new BlockPosition(x, y, z);
for (int l = -128; l <= 128; ++l) {
BlockPosition blockposition1;
for (int i1 = -128; i1 <= 128; ++i1) {
for (BlockPosition blockposition2 = blockposition.a(l, this.a.V() - 1 - blockposition.getY(), i1); blockposition2.getY() >= 0; blockposition2 = blockposition1) {
blockposition1 = blockposition2.down();
if (this.a.getType(blockposition2).getBlock() == Blocks.PORTAL) {
while (this.a.getType(blockposition1 = blockposition2.down()).getBlock() == Blocks.PORTAL) {
blockposition2 = blockposition1;
}
double d1 = blockposition2.i(blockposition);
if (d0 < 0.0D || d1 < d0) {
d0 = d1;
object = blockposition2;
}
}
}
}
}
}
if (d0 >= 0.0D) {
if (flag1) {
this.c.put(k, new PortalTravelAgent.ChunkCoordinatesPortal((BlockPosition) object, this.a.getTime()));
this.d.add(Long.valueOf(k));
}
// CraftBukkit start - Move entity teleportation logic into exit
return (BlockPosition) object;
} else {
return null;
}
}
// Entity repositioning logic split out from original b method and combined with repositioning logic for The End from original a method
public void adjustExit(Entity entity, Location position, Vector velocity) {
Location from = position.clone();
Vector before = velocity.clone();
BlockPosition object = new BlockPosition(position.getBlockX(), position.getBlockY(), position.getBlockZ());
float f = position.getYaw();
if (this.a.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END || entity.getBukkitEntity().getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END || entity.aG() == null) {
// entity.setPositionRotation((double) i, (double) j, (double) k, entity.yaw, 0.0F);
// entity.motX = entity.motY = entity.motZ = 0.0D;
position.setPitch(0.0F);
velocity.setX(0);
velocity.setY(0);
velocity.setZ(0);
} else {
// CraftBukkit end
double d2 = (double) object.getX() + 0.5D;
double d3 = (double) object.getY() + 0.5D;
double d4 = (double) object.getZ() + 0.5D;
ShapeDetector.ShapeDetectorCollection shapedetector_shapedetectorcollection = Blocks.PORTAL.f(this.a, object);
boolean flag2 = shapedetector_shapedetectorcollection.b().e().c() == EnumDirection.EnumAxisDirection.NEGATIVE;
double d5 = shapedetector_shapedetectorcollection.b().k() == EnumDirection.EnumAxis.X ? (double) shapedetector_shapedetectorcollection.a().getZ() : (double) shapedetector_shapedetectorcollection.a().getX();
d3 = (double) (shapedetector_shapedetectorcollection.a().getY() + 1) - entity.aG().b * (double) shapedetector_shapedetectorcollection.e();
if (flag2) {
++d5;
}
if (shapedetector_shapedetectorcollection.b().k() == EnumDirection.EnumAxis.X) {
d4 = d5 + (1.0D - entity.aG().a) * (double) shapedetector_shapedetectorcollection.d() * (double) shapedetector_shapedetectorcollection.b().e().c().a();
} else {
d2 = d5 + (1.0D - entity.aG().a) * (double) shapedetector_shapedetectorcollection.d() * (double) shapedetector_shapedetectorcollection.b().e().c().a();
}
float f1 = 0.0F;
float f2 = 0.0F;
float f3 = 0.0F;
float f4 = 0.0F;
if (shapedetector_shapedetectorcollection.b().opposite() == entity.aH()) {
f1 = 1.0F;
f2 = 1.0F;
} else if (shapedetector_shapedetectorcollection.b().opposite() == entity.aH().opposite()) {
f1 = -1.0F;
f2 = -1.0F;
} else if (shapedetector_shapedetectorcollection.b().opposite() == entity.aH().e()) {
f3 = 1.0F;
f4 = -1.0F;
} else {
f3 = -1.0F;
f4 = 1.0F;
}
// CraftBukkit start
double d6 = velocity.getX();
double d7 = velocity.getZ();
// CraftBukkit end
// CraftBukkit start - Adjust position and velocity instances instead of entity
velocity.setX(d6 * (double) f1 + d7 * (double) f4);
velocity.setZ(d6 * (double) f3 + d7 * (double) f2);
f = f - (float) (entity.aH().opposite().b() * 90) + (float) (shapedetector_shapedetectorcollection.b().b() * 90);
// entity.setPositionRotation(d2, d3, d4, entity.yaw, entity.pitch);
position.setX(d2);
position.setY(d3);
position.setZ(d4);
position.setYaw(f);
}
EntityPortalExitEvent event = new EntityPortalExitEvent(entity.getBukkitEntity(), from, position, before, velocity);
this.a.getServer().getPluginManager().callEvent(event);
Location to = event.getTo();
if (event.isCancelled() || to == null || !entity.isAlive()) {
position.setX(from.getX());
position.setY(from.getY());
position.setZ(from.getZ());
position.setYaw(from.getYaw());
position.setPitch(from.getPitch());
velocity.copy(before);
} else {
position.setX(to.getX());
position.setY(to.getY());
position.setZ(to.getZ());
position.setYaw(to.getYaw());
position.setPitch(to.getPitch());
velocity.copy(event.getAfter()); // event.getAfter() will never be null, as setAfter() will cause an NPE if null is passed in
}
// CraftBukkit end
}
public boolean a(Entity entity) {
// CraftBukkit start - Allow for portal creation to be based on coordinates instead of entity
return this.createPortal(entity.locX, entity.locY, entity.locZ, 16);
}
public boolean createPortal(double x, double y, double z, int b0) {
if (this.a.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END) {
createEndPortal(x, y, z);
return true;
}
// CraftBukkit end
double d0 = -1.0D;
// CraftBukkit start
int i = MathHelper.floor(x);
int j = MathHelper.floor(y);
int k = MathHelper.floor(z);
// CraftBukkit end
int l = i;
int i1 = j;
int j1 = k;
int k1 = 0;
int l1 = this.b.nextInt(4);
BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
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 - x; // CraftBukkit
for (j2 = k - b0; j2 <= k + b0; ++j2) {
d2 = (double) j2 + 0.5D - z; // CraftBukkit
label271:
for (k2 = this.a.V() - 1; k2 >= 0; --k2) {
if (this.a.isEmpty(blockposition_mutableblockposition.c(i2, k2, j2))) {
while (k2 > 0 && this.a.isEmpty(blockposition_mutableblockposition.c(i2, k2 - 1, j2))) {
--k2;
}
for (l2 = l1; l2 < l1 + 4; ++l2) {
i3 = l2 % 2;
j3 = 1 - i3;
if (l2 % 4 >= 2) {
i3 = -i3;
j3 = -j3;
}
for (k3 = 0; k3 < 3; ++k3) {
for (l3 = 0; l3 < 4; ++l3) {
for (i4 = -1; i4 < 4; ++i4) {
j4 = i2 + (l3 - 1) * i3 + k3 * j3;
k4 = k2 + i4;
int l4 = j2 + (l3 - 1) * j3 - k3 * i3;
blockposition_mutableblockposition.c(j4, k4, l4);
if (i4 < 0 && !this.a.getType(blockposition_mutableblockposition).getBlock().getMaterial().isBuildable() || i4 >= 0 && !this.a.isEmpty(blockposition_mutableblockposition)) {
continue label271;
}
}
}
}
d3 = (double) k2 + 0.5D - y; // CraftBukkit
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
l = i2;
i1 = k2;
j1 = j2;
k1 = l2 % 4;
}
}
}
}
}
}
if (d0 < 0.0D) {
for (i2 = i - b0; i2 <= i + b0; ++i2) {
d1 = (double) i2 + 0.5D - x; // CraftBukkit
for (j2 = k - b0; j2 <= k + b0; ++j2) {
d2 = (double) j2 + 0.5D - z; // CraftBukkit
label219:
for (k2 = this.a.V() - 1; k2 >= 0; --k2) {
if (this.a.isEmpty(blockposition_mutableblockposition.c(i2, k2, j2))) {
while (k2 > 0 && this.a.isEmpty(blockposition_mutableblockposition.c(i2, k2 - 1, j2))) {
--k2;
}
for (l2 = l1; l2 < l1 + 2; ++l2) {
i3 = l2 % 2;
j3 = 1 - i3;
for (k3 = 0; k3 < 4; ++k3) {
for (l3 = -1; l3 < 4; ++l3) {
i4 = i2 + (k3 - 1) * i3;
j4 = k2 + l3;
k4 = j2 + (k3 - 1) * j3;
blockposition_mutableblockposition.c(i4, j4, k4);
if (l3 < 0 && !this.a.getType(blockposition_mutableblockposition).getBlock().getMaterial().isBuildable() || l3 >= 0 && !this.a.isEmpty(blockposition_mutableblockposition)) {
continue label219;
}
}
}
d3 = (double) k2 + 0.5D - y; // CraftBukkit
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
l = i2;
i1 = k2;
j1 = j2;
k1 = l2 % 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;
}
if (d0 < 0.0D) {
i1 = MathHelper.clamp(i1, 70, this.a.V() - 10);
j5 = i1;
for (k2 = -1; k2 <= 1; ++k2) {
for (l2 = 1; l2 < 3; ++l2) {
for (i3 = -1; i3 < 3; ++i3) {
j3 = i5 + (l2 - 1) * k5 + k2 * l5;
k3 = j5 + i3;
l3 = j2 + (l2 - 1) * l5 - k2 * k5;
boolean flag = i3 < 0;
this.a.setTypeUpdate(new BlockPosition(j3, k3, l3), flag ? Blocks.OBSIDIAN.getBlockData() : Blocks.AIR.getBlockData());
}
}
}
}
IBlockData iblockdata = Blocks.PORTAL.getBlockData().set(BlockPortal.AXIS, k5 != 0 ? EnumDirection.EnumAxis.X : EnumDirection.EnumAxis.Z);
for (l2 = 0; l2 < 4; ++l2) {
for (i3 = 0; i3 < 4; ++i3) {
for (j3 = -1; j3 < 4; ++j3) {
k3 = i5 + (i3 - 1) * k5;
l3 = j5 + j3;
i4 = j2 + (i3 - 1) * l5;
boolean flag1 = i3 == 0 || i3 == 3 || j3 == -1 || j3 == 3;
this.a.setTypeAndData(new BlockPosition(k3, l3, i4), flag1 ? Blocks.OBSIDIAN.getBlockData() : iblockdata, 2);
}
}
for (i3 = 0; i3 < 4; ++i3) {
for (j3 = -1; j3 < 4; ++j3) {
k3 = i5 + (i3 - 1) * k5;
l3 = j5 + j3;
i4 = j2 + (i3 - 1) * l5;
BlockPosition blockposition = new BlockPosition(k3, l3, i4);
this.a.applyPhysics(blockposition, this.a.getType(blockposition).getBlock());
}
}
}
return true;
}
public void a(long i) {
if (i % 100L == 0L) {
Iterator iterator = this.d.iterator();
long j = i - 300L;
while (iterator.hasNext()) {
Long olong = (Long) iterator.next();
PortalTravelAgent.ChunkCoordinatesPortal portaltravelagent_chunkcoordinatesportal = this.c.getEntry(olong.longValue());
if (portaltravelagent_chunkcoordinatesportal == null || portaltravelagent_chunkcoordinatesportal.c < j) {
iterator.remove();
this.c.remove(olong.longValue());
}
}
}
}
public class ChunkCoordinatesPortal extends BlockPosition {
public long c;
public ChunkCoordinatesPortal(BlockPosition blockposition, long i) {
super(blockposition.getX(), blockposition.getY(), blockposition.getZ());
this.c = i;
}
}
}
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