From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Byteflux Date: Tue, 1 Mar 2016 23:45:08 -0600 Subject: [PATCH] Entity Origin API diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java index eb98bb1bd76869fd76b34885223c8e57a04e0c51..754045e71f180862fa57fd1c97e5d7deb1d788e6 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -2141,6 +2141,15 @@ public class ServerLevel extends Level implements WorldGenLevel { entity.updateDynamicGameEventListener(DynamicGameEventListener::add); entity.inWorld = true; // CraftBukkit - Mark entity as in world entity.valid = true; // CraftBukkit + // Paper start - Entity origin API + if (entity.getOriginVector() == null) { + entity.setOrigin(entity.getBukkitEntity().getLocation()); + } + // Default to current world if unknown, gross assumption but entities rarely change world + if (entity.getOriginWorld() == null) { + entity.setOrigin(entity.getOriginVector().toLocation(getWorld())); + } + // Paper end - Entity origin API } public void onTrackingEnd(Entity entity) { diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java index 63f45a77c8511e05954030cf117c5e4cda0a518f..dbe5239b1a1769ef9f2ef66c32b1a68cd684428e 100644 --- a/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java @@ -328,7 +328,27 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess public long activatedTick = Integer.MIN_VALUE; public void inactiveTick() { } // Spigot end + // Paper start - Entity origin API + @javax.annotation.Nullable + private org.bukkit.util.Vector origin; + @javax.annotation.Nullable + private UUID originWorld; + public void setOrigin(@javax.annotation.Nonnull Location location) { + this.origin = location.toVector(); + this.originWorld = location.getWorld().getUID(); + } + + @javax.annotation.Nullable + public org.bukkit.util.Vector getOriginVector() { + return this.origin != null ? this.origin.clone() : null; + } + + @javax.annotation.Nullable + public UUID getOriginWorld() { + return this.originWorld; + } + // Paper end - Entity origin API public float getBukkitYaw() { return this.yRot; } @@ -2153,6 +2173,15 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess this.bukkitEntity.storeBukkitValues(nbttagcompound); } // CraftBukkit end + // Paper start + if (this.origin != null) { + UUID originWorld = this.originWorld != null ? this.originWorld : this.level != null ? this.level.getWorld().getUID() : null; + if (originWorld != null) { + nbttagcompound.putUUID("Paper.OriginWorld", originWorld); + } + nbttagcompound.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ())); + } + // Paper end return nbttagcompound; } catch (Throwable throwable) { CrashReport crashreport = CrashReport.forThrowable(throwable, "Saving entity NBT"); @@ -2280,6 +2309,20 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess } // CraftBukkit end + // Paper start + ListTag originTag = nbt.getList("Paper.Origin", net.minecraft.nbt.Tag.TAG_DOUBLE); + if (!originTag.isEmpty()) { + UUID originWorld = null; + if (nbt.contains("Paper.OriginWorld")) { + originWorld = nbt.getUUID("Paper.OriginWorld"); + } else if (this.level != null) { + originWorld = this.level.getWorld().getUID(); + } + this.originWorld = originWorld; + origin = new org.bukkit.util.Vector(originTag.getDouble(0), originTag.getDouble(1), originTag.getDouble(2)); + } + // Paper end + } catch (Throwable throwable) { CrashReport crashreport = CrashReport.forThrowable(throwable, "Loading entity NBT"); CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being loaded"); diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java index 269326e7689eba91bcfd3475006e8cbf8f5694ef..7b45a1216ff824f1b528bb5759d10b70858832a1 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java @@ -963,4 +963,21 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity { return this.spigot; } // Spigot end + + // Paper start - entity origin API + @Override + public Location getOrigin() { + Vector originVector = this.getHandle().getOriginVector(); + if (originVector == null) { + return null; + } + World world = this.getWorld(); + if (this.getHandle().getOriginWorld() != null) { + world = org.bukkit.Bukkit.getWorld(this.getHandle().getOriginWorld()); + } + + //noinspection ConstantConditions + return originVector.toLocation(world); + } + // Paper end - entity origin API }