From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Tue, 1 Mar 2016 23:45:08 -0600
Subject: [PATCH] Entity Origin API
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 20fbe45c9daa629e1c9841936a0bf1795b40f6a9..c1bb876262c17d32b1f14fd818f990c32011b272 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -167,6 +167,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
public org.bukkit.projectiles.ProjectileSource projectileSource; // For projectiles only
public boolean forceExplosionKnockback; // SPIGOT-949
public Timing tickTimer = MinecraftTimings.getEntityTimings(this); // Paper
+ public org.bukkit.Location origin; // Paper
// Spigot start
public final org.spigotmc.ActivationRange.ActivationType activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
public final boolean defaultActivationState;
@@ -1541,6 +1542,11 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
this.bukkitEntity.storeBukkitValues(nbttagcompound);
}
// CraftBukkit end
+ // Paper start - Save the entity's origin location
+ if (this.origin != null) {
+ nbttagcompound.set("Paper.Origin", this.createList(origin.getX(), origin.getY(), origin.getZ()));
+ }
+ // Paper end
return nbttagcompound;
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.a(throwable, "Saving entity NBT");
@@ -1657,6 +1663,13 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
this.getBukkitEntity().readBukkitValues(nbttagcompound);
// CraftBukkit end
+ // Paper start - Restore the entity's origin location
+ NBTTagList originTag = nbttagcompound.getList("Paper.Origin", 6);
+ if (!originTag.isEmpty()) {
+ origin = new org.bukkit.Location(world.getWorld(), originTag.getDoubleAt(0), originTag.getDoubleAt(1), originTag.getDoubleAt(2));
+ }
+ // Paper end
+
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.a(throwable, "Loading entity NBT");
CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Entity being loaded");
@@ -1718,6 +1731,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
protected abstract void saveData(NBTTagCompound nbttagcompound);
+ protected final NBTTagList createList(double... adouble) { return a(adouble); } // Paper - OBFHELPER
protected NBTTagList a(double... adouble) {
NBTTagList nbttaglist = new NBTTagList();
double[] adouble1 = adouble;
diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
index 8c51b3060114a24249962c2d6142166ac8600a0a..7c308e0912fb60f8dcdfb36c8a8c8718231858bc 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
@@ -254,6 +254,14 @@ public class EntityFallingBlock extends Entity {
this.block = Blocks.SAND.getBlockData();
}
+ // Paper start - Try and load origin location from the old NBT tags for backwards compatibility
+ if (nbttagcompound.hasKey("SourceLoc_x")) {
+ int srcX = nbttagcompound.getInt("SourceLoc_x");
+ int srcY = nbttagcompound.getInt("SourceLoc_y");
+ int srcZ = nbttagcompound.getInt("SourceLoc_z");
+ origin = new org.bukkit.Location(world.getWorld(), srcX, srcY, srcZ);
+ }
+ // Paper end
}
public void a(boolean flag) {
diff --git a/src/main/java/net/minecraft/server/EntityTNTPrimed.java b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
index b5900e1cad8137954d5fa4fde10b4afb64fb6412..0f4923bce392c8e46f6b256f47d23e15b08e6d62 100644
--- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
@@ -104,6 +104,14 @@ public class EntityTNTPrimed extends Entity {
@Override
protected void loadData(NBTTagCompound nbttagcompound) {
this.setFuseTicks(nbttagcompound.getShort("Fuse"));
+ // Paper start - Try and load origin location from the old NBT tags for backwards compatibility
+ if (nbttagcompound.hasKey("SourceLoc_x")) {
+ int srcX = nbttagcompound.getInt("SourceLoc_x");
+ int srcY = nbttagcompound.getInt("SourceLoc_y");
+ int srcZ = nbttagcompound.getInt("SourceLoc_z");
+ origin = new org.bukkit.Location(world.getWorld(), srcX, srcY, srcZ);
+ }
+ // Paper end
}
@Nullable
diff --git a/src/main/java/net/minecraft/server/NBTTagList.java b/src/main/java/net/minecraft/server/NBTTagList.java
index ad8a506bb430b26fe147a657a2f826daf9bf4d45..ad4807e0bdd6409bd798f995da8f43cec1d0b385 100644
--- a/src/main/java/net/minecraft/server/NBTTagList.java
+++ b/src/main/java/net/minecraft/server/NBTTagList.java
@@ -188,6 +188,7 @@ public class NBTTagList extends NBTList<NBTBase> {
return new int[0];
}
+ public final double getDoubleAt(int i) { return this.h(i); } // Paper - OBFHELPER
public double h(int i) {
if (i >= 0 && i < this.list.size()) {
NBTBase nbtbase = (NBTBase) this.list.get(i);
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index df63ea6680e9619e09477ed44a021e128314436c..118f2b80193bf59139c46b811be96edda4ae0014 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1087,6 +1087,11 @@ public class WorldServer extends World implements GeneratorAccessSeed {
this.navigators.add(((EntityInsentient) entity).getNavigation());
}
entity.valid = true; // CraftBukkit
+ // Paper start - Set origin location when the entity is being added to the world
+ if (entity.origin == null) {
+ entity.origin = entity.getBukkitEntity().getLocation();
+ }
+ // Paper end
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index e867168be3c17548490f30944ca56a635cc3b054..19669d7354d8cfa723e614ac3b471e703ee7feee 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1016,4 +1016,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
return spigot;
}
// Spigot end
+
+ // Paper start
+ @Override
+ public Location getOrigin() {
+ Location origin = getHandle().origin;
+ return origin == null ? null : origin.clone();
+ }
+ // Paper end
}