From 2ff1a095a26d78e4e5de5a878259f8094cbb0d90 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 28 Mar 2016 20:55:47 -0400
Subject: [PATCH] MC Utils
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 38d69b944..7fee74d80 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -675,6 +675,7 @@ public class Chunk {
return !block.isTileEntity() ? null : ((ITileEntity) block).a(this.world, iblockdata.getBlock().toLegacyData(iblockdata));
}
+ @Nullable public final TileEntity getTileEntityImmediately(BlockPosition pos) { return this.a(pos, EnumTileEntityState.IMMEDIATE); } // Paper - OBFHELPER
@Nullable
public TileEntity a(BlockPosition blockposition, Chunk.EnumTileEntityState chunk_enumtileentitystate) {
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
new file mode 100644
index 000000000..1159eea1a
--- /dev/null
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -0,0 +1,189 @@
+package net.minecraft.server;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.util.Waitable;
+import org.spigotmc.AsyncCatcher;
+
+import javax.annotation.Nullable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.function.Supplier;
+import java.util.regex.Pattern;
+
+public final class MCUtil {
+ private static final Executor asyncExecutor = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat("Paper Async Task Handler Thread - %1$d").build());
+
+ private MCUtil() {}
+
+
+ /**
+ * Ensures the target code is running on the main thread
+ * @param reason
+ * @param run
+ * @param <T>
+ * @return
+ */
+ public static <T> T ensureMain(String reason, Supplier<T> run) {
+ if (AsyncCatcher.enabled && Thread.currentThread() != MinecraftServer.getServer().primaryThread) {
+ new IllegalStateException( "Asynchronous " + reason + "! Blocking thread until it returns ").printStackTrace();
+ Waitable<T> wait = new Waitable<T>() {
+ @Override
+ protected T evaluate() {
+ return run.get();
+ }
+ };
+ MinecraftServer.getServer().processQueue.add(wait);
+ try {
+ return wait.get();
+ } catch (InterruptedException | ExecutionException e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+ return run.get();
+ }
+
+ /**
+ * Calculates distance between 2 entities
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distance(Entity e1, Entity e2) {
+ return Math.sqrt(distanceSq(e1, e2));
+ }
+
+
+ /**
+ * Calculates distance between 2 block positions
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distance(BlockPosition e1, BlockPosition e2) {
+ return Math.sqrt(distanceSq(e1, e2));
+ }
+
+ /**
+ * Gets the distance between 2 positions
+ * @param x1
+ * @param y1
+ * @param z1
+ * @param x2
+ * @param y2
+ * @param z2
+ * @return
+ */
+ public static double distance(double x1, double y1, double z1, double x2, double y2, double z2) {
+ return Math.sqrt(distanceSq(x1, y1, z1, x2, y2, z2));
+ }
+
+ /**
+ * Get's the distance squared between 2 entities
+ * @param e1
+ * @param e2
+ * @return
+ */
+ public static double distanceSq(Entity e1, Entity e2) {
+ return distanceSq(e1.locX,e1.locY,e1.locZ, e2.locX,e2.locY,e2.locZ);
+ }
+
+ /**
+ * Gets the distance sqaured between 2 block positions
+ * @param pos1
+ * @param pos2
+ * @return
+ */
+ public static double distanceSq(BlockPosition pos1, BlockPosition pos2) {
+ return distanceSq(pos1.getX(), pos1.getY(), pos1.getZ(), pos2.getX(), pos2.getY(), pos2.getZ());
+ }
+
+ /**
+ * Gets the distance squared between 2 positions
+ * @param x1
+ * @param y1
+ * @param z1
+ * @param x2
+ * @param y2
+ * @param z2
+ * @return
+ */
+ public static double distanceSq(double x1, double y1, double z1, double x2, double y2, double z2) {
+ return (x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2) + (z1 - z2) * (z1 - z2);
+ }
+
+ /**
+ * Converts a NMS World/BlockPosition to Bukkit Location
+ * @param world
+ * @param pos
+ * @return
+ */
+ public static Location toLocation(World world, BlockPosition pos) {
+ return new Location(world.getWorld(), pos.getX(), pos.getY(), pos.getZ());
+ }
+
+ /**
+ * Converts an NMS entity's current location to a Bukkit Location
+ * @param entity
+ * @return
+ */
+ public static Location toLocation(Entity entity) {
+ return new Location(entity.getWorld().getWorld(), entity.locX, entity.locY, entity.locZ);
+ }
+
+ public static BlockPosition toBlockPosition(Location loc) {
+ return new BlockPosition(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+ }
+
+ public static boolean isEdgeOfChunk(BlockPosition pos) {
+ final int modX = pos.getX() & 15;
+ final int modZ = pos.getZ() & 15;
+ return (modX == 0 || modX == 15 || modZ == 0 || modZ == 15);
+ }
+
+ /**
+ * Gets a chunk without changing its boolean for should unload
+ * @param world
+ * @param x
+ * @param z
+ * @return
+ */
+ @Nullable
+ public static Chunk getLoadedChunkWithoutMarkingActive(World world, int x, int z) {
+ return ((ChunkProviderServer) world.chunkProvider).chunks.get(ChunkCoordIntPair.a(x, z));
+ }
+
+ /**
+ * Gets a chunk without changing its boolean for should unload
+ * @param provider
+ * @param x
+ * @param z
+ * @return
+ */
+ @Nullable
+ public static Chunk getLoadedChunkWithoutMarkingActive(IChunkProvider provider, int x, int z) {
+ return ((ChunkProviderServer)provider).chunks.get(ChunkCoordIntPair.a(x, z));
+ }
+
+ /**
+ * Posts a task to be executed asynchronously
+ * @param run
+ */
+ public static void scheduleAsyncTask(Runnable run) {
+ asyncExecutor.execute(run);
+ }
+
+ @Nullable
+ public static TileEntityHopper getHopper(World world, BlockPosition pos) {
+ Chunk chunk = world.getChunkIfLoaded(pos.getX() >> 4, pos.getZ() >> 4);
+ if (chunk != null && chunk.getBlockData(pos).getBlock() == Blocks.HOPPER) {
+ TileEntity tileEntity = chunk.getTileEntityImmediately(pos);
+ if (tileEntity instanceof TileEntityHopper) {
+ return (TileEntityHopper) tileEntity;
+ }
+ }
+ return null;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/NBTTagCompound.java b/src/main/java/net/minecraft/server/NBTTagCompound.java
index aa1ca6d91..e15c23367 100644
--- a/src/main/java/net/minecraft/server/NBTTagCompound.java
+++ b/src/main/java/net/minecraft/server/NBTTagCompound.java
@@ -22,7 +22,7 @@ public class NBTTagCompound extends NBTBase {
private static final Logger b = LogManager.getLogger();
private static final Pattern c = Pattern.compile("[A-Za-z0-9._+-]+");
- private final Map<String, NBTBase> map = Maps.newHashMap();
+ public final Map<String, NBTBase> map = Maps.newHashMap(); // Paper
public NBTTagCompound() {}
@@ -94,11 +94,13 @@ public class NBTTagCompound extends NBTBase {
this.map.put(s, new NBTTagLong(i));
}
+ public void setUUID(String prefix, UUID uuid) { a(prefix, uuid); } // Paper - OBFHELPER
public void a(String s, UUID uuid) {
this.setLong(s + "Most", uuid.getMostSignificantBits());
this.setLong(s + "Least", uuid.getLeastSignificantBits());
}
+ public UUID getUUID(String prefix) { return a(prefix); } // Paper - OBFHELPER
@Nullable
public UUID a(String s) {
return new UUID(this.getLong(s + "Most"), this.getLong(s + "Least"));
diff --git a/src/main/java/net/minecraft/server/NBTTagList.java b/src/main/java/net/minecraft/server/NBTTagList.java
index e0cb6aa6e..bc6383669 100644
--- a/src/main/java/net/minecraft/server/NBTTagList.java
+++ b/src/main/java/net/minecraft/server/NBTTagList.java
@@ -13,7 +13,7 @@ import org.apache.logging.log4j.Logger;
public class NBTTagList extends NBTBase {
private static final Logger b = LogManager.getLogger();
- private List<NBTBase> list = Lists.newArrayList();
+ public List<NBTBase> list = Lists.newArrayList(); // Paper
private byte type = 0;
public NBTTagList() {}
--
2.13.0