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Paper/nms-patches/PortalTravelAgent.patch

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--- a/net/minecraft/server/PortalTravelAgent.java
+++ b/net/minecraft/server/PortalTravelAgent.java
@@ -1,6 +1,10 @@
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;
@@ -27,6 +31,19 @@
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((double) created.getX(), (double) created.getY(), (double) 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;
@@ -43,16 +60,63 @@
}
}
- entity.setPositionRotation((double) i, (double) j, (double) k, entity.yaw, 0.0F);
- entity.motX = entity.motY = entity.motZ = 0.0D;
+ // 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.world.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) {
- boolean flag = true;
+ // 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.world.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 radius) {
+ if (this.world.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END) {
+ return this.findEndPortal(this.world.worldProvider.h());
+ }
+ // CraftBukkit end
double d0 = -1.0D;
- int i = MathHelper.floor(entity.locX);
- int j = MathHelper.floor(entity.locZ);
+ // 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);
@@ -65,12 +129,12 @@
portaltravelagent_chunkcoordinatesportal.c = this.world.getTime();
flag1 = false;
} else {
- BlockPosition blockposition = new BlockPosition(entity);
+ BlockPosition blockposition = new BlockPosition(x, y, z); // CraftBukkit
- for (int l = -128; l <= 128; ++l) {
+ for (int l = -radius; l <= radius; ++l) {
BlockPosition blockposition1;
- for (int i1 = -128; i1 <= 128; ++i1) {
+ for (int i1 = -radius; i1 <= radius; ++i1) {
for (BlockPosition blockposition2 = blockposition.a(l, this.world.Z() - 1 - blockposition.getY(), i1); blockposition2.getY() >= 0; blockposition2 = blockposition1) {
blockposition1 = blockposition2.down();
if (this.world.getType(blockposition2).getBlock() == Blocks.PORTAL) {
@@ -95,6 +159,29 @@
this.c.put(k, new PortalTravelAgent.ChunkCoordinatesPortal((BlockPosition) object, this.world.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.world.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END || entity.getBukkitEntity().getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END || entity.getPortalOffset() == 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) ((BlockPosition) object).getX() + 0.5D;
double d3 = (double) ((BlockPosition) object).getY() + 0.5D;
@@ -133,30 +220,59 @@
f4 = 1.0F;
}
- double d6 = entity.motX;
- double d7 = entity.motZ;
-
- entity.motX = d6 * (double) f1 + d7 * (double) f4;
- entity.motZ = d6 * (double) f3 + d7 * (double) f2;
- entity.yaw = f - (float) (entity.getPortalDirection().opposite().get2DRotationValue() * 90) + (float) (shapedetector_shapedetectorcollection.getFacing().get2DRotationValue() * 90);
- if (entity instanceof EntityPlayer) {
- ((EntityPlayer) entity).playerConnection.a(d2, d3, d4, entity.yaw, entity.pitch);
- } else {
- entity.setPositionRotation(d2, d3, d4, entity.yaw, entity.pitch);
- }
-
- return true;
+ // 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.getPortalDirection().opposite().get2DRotationValue() * 90) + (float) (shapedetector_shapedetectorcollection.getFacing().get2DRotationValue() * 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.world.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 {
- return false;
+ 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) {
- byte b0 = 16;
+ // 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.world.getWorld().getEnvironment() == org.bukkit.World.Environment.THE_END) {
+ createEndPortal(x, y, z);
+ return true;
+ }
+ // CraftBukkit end
double d0 = -1.0D;
- int i = MathHelper.floor(entity.locX);
- int j = MathHelper.floor(entity.locY);
- int k = MathHelper.floor(entity.locZ);
+ // 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;
@@ -181,10 +297,10 @@
double d4;
for (i2 = i - b0; i2 <= i + b0; ++i2) {
- d1 = (double) i2 + 0.5D - entity.locX;
+ d1 = (double) i2 + 0.5D - x; // CraftBukkit
for (j2 = k - b0; j2 <= k + b0; ++j2) {
- d2 = (double) j2 + 0.5D - entity.locZ;
+ d2 = (double) j2 + 0.5D - z; // CraftBukkit
label271:
for (k2 = this.world.Z() - 1; k2 >= 0; --k2) {
@@ -216,7 +332,7 @@
}
}
- d3 = (double) k2 + 0.5D - entity.locY;
+ d3 = (double) k2 + 0.5D - y; // CraftBukkit
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
@@ -233,10 +349,10 @@
if (d0 < 0.0D) {
for (i2 = i - b0; i2 <= i + b0; ++i2) {
- d1 = (double) i2 + 0.5D - entity.locX;
+ d1 = (double) i2 + 0.5D - x; // CraftBukkit
for (j2 = k - b0; j2 <= k + b0; ++j2) {
- d2 = (double) j2 + 0.5D - entity.locZ;
+ d2 = (double) j2 + 0.5D - z; // CraftBukkit
label219:
for (k2 = this.world.Z() - 1; k2 >= 0; --k2) {
@@ -261,7 +377,7 @@
}
}
- d3 = (double) k2 + 0.5D - entity.locY;
+ d3 = (double) k2 + 0.5D - y; // CraftBukkit
d4 = d1 * d1 + d3 * d3 + d2 * d2;
if (d0 < 0.0D || d4 < d0) {
d0 = d4;
@@ -362,5 +478,10 @@
super(blockposition.getX(), blockposition.getY(), blockposition.getZ());
this.c = i;
}
+
+ @Override
+ public int compareTo(BaseBlockPosition o) {
+ return this.i(o);
+ }
}
}
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