mirror of
https://github.com/PaperMC/Paper.git
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380 lines
12 KiB
Java
380 lines
12 KiB
Java
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package org.bukkit.craftbukkit;
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import java.util.Random;
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import net.minecraft.server.Block;
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import net.minecraft.server.WorldServer;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.TravelAgent;
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import org.bukkit.event.world.PortalCreateEvent;
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public class PortalTravelAgent implements TravelAgent {
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private Random random = new Random();
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private int searchRadius = 128;
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private int creationRadius = 14; // 16 -> 14
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private boolean canCreatePortal = true;
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public PortalTravelAgent() { }
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public Location findOrCreate(Location location) {
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WorldServer worldServer = ((CraftWorld) location.getWorld()).getHandle();
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worldServer.chunkProviderServer.a = true;
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// Attempt to find a Portal.
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Location resultLocation = this.findPortal(location);
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// If a Portal cannot be found we will attempt to create one.
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if (resultLocation == null) {
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// Attempt to create a portal, return if it was successful or not.
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if (this.canCreatePortal && this.createPortal(location)) {
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// Now find that portals location.
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resultLocation = this.findPortal(location);
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} else {
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// Fallback onto the original location.
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resultLocation = location;
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}
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}
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worldServer.chunkProviderServer.a = false;
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// Return our resulting portal location.
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return resultLocation;
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}
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public Location findPortal(Location location) {
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net.minecraft.server.World world = ((CraftWorld) location.getWorld()).getHandle();
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// short short1 = 128;
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double d0 = -1.0D;
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int i = 0;
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int j = 0;
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int k = 0;
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int l = location.getBlockX();
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int i1 = location.getBlockZ();
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double d1;
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for (int j1 = l - searchRadius; j1 <= l + searchRadius; ++j1) {
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double d2 = (double) j1 + 0.5D - location.getX();
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for (int k1 = i1 - searchRadius; k1 <= i1 + searchRadius; ++k1) {
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double d3 = (double) k1 + 0.5D - location.getZ();
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for (int l1 = 127; l1 >= 0; --l1) {
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if (world.getTypeId(j1, l1, k1) == Block.PORTAL.id) {
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while (world.getTypeId(j1, l1 - 1, k1) == Block.PORTAL.id) {
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--l1;
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}
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d1 = (double) l1 + 0.5D - location.getY();
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double d4 = d2 * d2 + d1 * d1 + d3 * d3;
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if (d0 < 0.0D || d4 < d0) {
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d0 = d4;
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i = j1;
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j = l1;
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k = k1;
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}
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}
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}
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}
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}
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if (d0 >= 0.0D) {
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double d5 = (double) i + 0.5D;
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double d6 = (double) j + 0.5D;
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d1 = (double) k + 0.5D;
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if (world.getTypeId(i - 1, j, k) == Block.PORTAL.id) {
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d5 -= 0.5D;
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}
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if (world.getTypeId(i + 1, j, k) == Block.PORTAL.id) {
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d5 += 0.5D;
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}
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if (world.getTypeId(i, j, k - 1) == Block.PORTAL.id) {
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d1 -= 0.5D;
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}
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if (world.getTypeId(i, j, k + 1) == Block.PORTAL.id) {
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d1 += 0.5D;
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}
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return new Location(location.getWorld(), d5, d6, d1, location.getYaw(), location.getPitch());
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} else {
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return null;
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}
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}
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public boolean createPortal(Location location) {
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net.minecraft.server.World world = ((CraftWorld) location.getWorld()).getHandle();
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// byte b0 = 16;
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double d0 = -1.0D;
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int i = location.getBlockX();
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int j = location.getBlockY();
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int k = location.getBlockZ();
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int l = i;
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int i1 = j;
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int j1 = k;
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int k1 = 0;
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int l1 = this.random.nextInt(4);
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int i2;
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double d1;
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int j2;
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double d2;
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int k2;
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int l2;
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int i3;
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int j3;
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int k3;
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int l3;
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int i4;
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int j4;
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int k4;
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double d3;
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double d4;
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for (i2 = i - creationRadius; i2 <= i + creationRadius; ++i2) {
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d1 = (double) i2 + 0.5D - location.getX();
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for (j2 = k - creationRadius; j2 <= k + creationRadius; ++j2) {
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d2 = (double) j2 + 0.5D - location.getZ();
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label271:
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for (l2 = 127; l2 >= 0; --l2) {
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if (world.isEmpty(i2, l2, j2)) {
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while (l2 > 0 && world.isEmpty(i2, l2 - 1, j2)) {
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--l2;
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}
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for (k2 = l1; k2 < l1 + 4; ++k2) {
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j3 = k2 % 2;
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i3 = 1 - j3;
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if (k2 % 4 >= 2) {
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j3 = -j3;
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i3 = -i3;
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}
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for (l3 = 0; l3 < 3; ++l3) {
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for (k3 = 0; k3 < 4; ++k3) {
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for (j4 = -1; j4 < 5; ++j4) {
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i4 = i2 + (k3 - 1) * j3 + l3 * i3;
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k4 = l2 + j4;
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int l4 = j2 + (k3 - 1) * i3 - l3 * j3;
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if (j4 < 0 && !world.getMaterial(i4, k4, l4).isBuildable() || j4 >= 0 && !world.isEmpty(i4, k4, l4)) {
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continue label271;
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}
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}
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}
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}
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d3 = (double) l2 + 0.5D - location.getY();
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d4 = d1 * d1 + d3 * d3 + d2 * d2;
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if (d0 < 0.0D || d4 < d0) {
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d0 = d4;
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l = i2;
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i1 = l2 + 1;
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j1 = j2;
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k1 = k2 % 4;
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}
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}
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}
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}
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}
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}
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if (d0 < 0.0D) {
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for (i2 = i - creationRadius; i2 <= i + creationRadius; ++i2) {
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d1 = (double) i2 + 0.5D - location.getX();
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for (j2 = k - creationRadius; j2 <= k + creationRadius; ++j2) {
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d2 = (double) j2 + 0.5D - location.getZ();
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label219:
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for (l2 = 127; l2 >= 0; --l2) {
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if (world.isEmpty(i2, l2, j2)) {
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while (l2 > 0 && world.isEmpty(i2, l2 - 1, j2)) {
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--l2;
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}
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for (k2 = l1; k2 < l1 + 2; ++k2) {
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j3 = k2 % 2;
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i3 = 1 - j3;
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for (l3 = 0; l3 < 4; ++l3) {
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for (k3 = -1; k3 < 5; ++k3) {
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j4 = i2 + (l3 - 1) * j3;
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i4 = l2 + k3;
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k4 = j2 + (l3 - 1) * i3;
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if (k3 < 0 && !world.getMaterial(j4, i4, k4).isBuildable() || k3 >= 0 && !world.isEmpty(j4, i4, k4)) {
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continue label219;
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}
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}
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}
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d3 = (double) l2 + 0.5D - location.getY();
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d4 = d1 * d1 + d3 * d3 + d2 * d2;
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if (d0 < 0.0D || d4 < d0) {
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d0 = d4;
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l = i2;
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i1 = l2 + 1;
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j1 = j2;
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k1 = k2 % 2;
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}
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}
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}
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}
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}
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}
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}
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int i5 = l;
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int j5 = i1;
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j2 = j1;
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int k5 = k1 % 2;
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int l5 = 1 - k5;
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if (k1 % 4 >= 2) {
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k5 = -k5;
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l5 = -l5;
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}
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boolean flag;
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// CraftBukkit start - portal create event
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java.util.ArrayList<org.bukkit.block.Block> blocks = new java.util.ArrayList<org.bukkit.block.Block>();
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// Find out what blocks the portal is going to modify, duplicated from below
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CraftWorld craftWorld = ((WorldServer) world).getWorld();
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if (d0 < 0.0D) {
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if (i1 < 70) {
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i1 = 70;
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}
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if (i1 > 118) {
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i1 = 118;
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}
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j5 = i1;
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for (l2 = -1; l2 <= 1; ++l2) {
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for (k2 = 1; k2 < 3; ++k2) {
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for (j3 = -1; j3 < 3; ++j3) {
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i3 = i5 + (k2 - 1) * k5 + l2 * l5;
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l3 = j5 + j3;
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k3 = j2 + (k2 - 1) * l5 - l2 * k5;
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org.bukkit.block.Block b = craftWorld.getBlockAt(i3, l3, k3);
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if (!blocks.contains(b)) {
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blocks.add(b);
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}
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}
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}
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}
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}
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for (l2 = 0; l2 < 4; ++l2) {
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for (k2 = 0; k2 < 4; ++k2) {
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for (j3 = -1; j3 < 4; ++j3) {
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i3 = i5 + (k2 - 1) * k5;
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l3 = j5 + j3;
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k3 = j2 + (k2 - 1) * l5;
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org.bukkit.block.Block b = craftWorld.getBlockAt(i3, l3, k3);
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if (!blocks.contains(b)) {
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blocks.add(b);
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}
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}
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}
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}
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PortalCreateEvent event = new PortalCreateEvent(blocks, (org.bukkit.World) craftWorld);
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Bukkit.getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return false;
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}
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// CraftBukkit end
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if (d0 < 0.0D) {
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if (i1 < 70) {
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i1 = 70;
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}
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if (i1 > 118) {
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i1 = 118;
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}
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j5 = i1;
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for (l2 = -1; l2 <= 1; ++l2) {
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for (k2 = 1; k2 < 3; ++k2) {
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for (j3 = -1; j3 < 3; ++j3) {
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i3 = i5 + (k2 - 1) * k5 + l2 * l5;
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l3 = j5 + j3;
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k3 = j2 + (k2 - 1) * l5 - l2 * k5;
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flag = j3 < 0;
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world.setTypeId(i3, l3, k3, flag ? Block.OBSIDIAN.id : 0);
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}
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}
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}
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}
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for (l2 = 0; l2 < 4; ++l2) {
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world.o = true;
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for (k2 = 0; k2 < 4; ++k2) {
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for (j3 = -1; j3 < 4; ++j3) {
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i3 = i5 + (k2 - 1) * k5;
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l3 = j5 + j3;
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k3 = j2 + (k2 - 1) * l5;
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flag = k2 == 0 || k2 == 3 || j3 == -1 || j3 == 3;
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world.setTypeId(i3, l3, k3, flag ? Block.OBSIDIAN.id : Block.PORTAL.id);
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}
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}
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world.o = false;
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for (k2 = 0; k2 < 4; ++k2) {
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for (j3 = -1; j3 < 4; ++j3) {
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i3 = i5 + (k2 - 1) * k5;
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l3 = j5 + j3;
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k3 = j2 + (k2 - 1) * l5;
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world.applyPhysics(i3, l3, k3, world.getTypeId(i3, l3, k3));
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}
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}
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}
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return true;
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}
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public TravelAgent setSearchRadius(int radius) {
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this.searchRadius = radius;
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return this;
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}
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public int getSearchRadius() {
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return this.searchRadius;
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}
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public TravelAgent setCreationRadius(int radius) {
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this.creationRadius = radius < 2 ? 0 : radius - 2;
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return this;
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}
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public int getCreationRadius() {
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return this.creationRadius;
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}
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public boolean getCanCreatePortal() {
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return this.canCreatePortal;
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}
|
||
|
|
|
||
|
|
public void setCanCreatePortal(boolean create) {
|
||
|
|
this.canCreatePortal = create;
|
||
|
|
}
|
||
|
|
}
|