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/nbt/ListTag.java b/src/main/java/net/minecraft/nbt/ListTag.java index 88bac72edf19c578902f49d20353989ed4d96f8f..e79faeb26d079de0108268fd2607cf9eb885c003 100644 --- a/src/main/java/net/minecraft/nbt/ListTag.java +++ b/src/main/java/net/minecraft/nbt/ListTag.java @@ -179,6 +179,7 @@ public class ListTag extends CollectionTag { return new long[0]; } + public final double getDoubleAt(int i) { return this.getDouble(i); } // Paper - OBFHELPER public double getDouble(int index) { if (index >= 0 && index < this.list.size()) { Tag tag = this.list.get(index); diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java index 94c5631820590d31cfd4e8a4fb2395dd6b395841..a1d5519f2133349a805296132bbe84272818091b 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -1110,6 +1110,11 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl entityplayer.connection.send(new ClientboundBlockDestructionPacket(entityId, pos, progress)); } } + // Paper start - Set origin location when the entity is being added to the world + if (entity.getOriginVector() == null) { + entity.setOrigin(entity.getBukkitEntity().getLocation()); + } + // Paper end } } diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java index 4a86e7e9e81a31d7a785279c294c000c559a76d6..18f98049bd6e48d6d825528b91e79f0e0759ccc3 100644 --- a/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java @@ -280,6 +280,27 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n public org.bukkit.projectiles.ProjectileSource projectileSource; // For projectiles only public boolean forceExplosionKnockback; // SPIGOT-949 public boolean persistentInvisibility = false; + // Paper start + @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 // Spigot start public final org.spigotmc.ActivationRange.ActivationType activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this); public final boolean defaultActivationState; @@ -1813,6 +1834,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n this.bukkitEntity.storeBukkitValues(nbt); } // CraftBukkit end + // Paper start - Save the entity's origin location + if (this.origin != null) { + nbt.setUUID("Paper.OriginWorld", originWorld); + nbt.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ())); + } + // Paper end return nbt; } catch (Throwable throwable) { CrashReport crashreport = CrashReport.forThrowable(throwable, "Saving entity NBT"); @@ -1939,6 +1966,18 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n } // CraftBukkit end + // Paper start - Restore the entity's origin location + ListTag originTag = nbt.getList("Paper.Origin", 6); + if (!originTag.isEmpty()) { + UUID originWorld = level.getWorld().getUID(); + if (nbt.contains("Paper.OriginWorld")) { + originWorld = nbt.getUUID("Paper.OriginWorld"); + } + this.originWorld = originWorld; + origin = new org.bukkit.util.Vector(originTag.getDoubleAt(0), originTag.getDoubleAt(1), originTag.getDoubleAt(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/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java index 11ed0127e2ea268f16c6b4b380d132a71ec9b3dc..6c262832ba5259ec92d336114c203c254a39924c 100644 --- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java +++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java @@ -329,6 +329,14 @@ public class FallingBlockEntity extends Entity { this.blockState = Blocks.SAND.defaultBlockState(); } + // Paper start - Try and load origin location from the old NBT tags for backwards compatibility + if (nbt.contains("SourceLoc_x")) { + int srcX = nbt.getInt("SourceLoc_x"); + int srcY = nbt.getInt("SourceLoc_y"); + int srcZ = nbt.getInt("SourceLoc_z"); + this.setOrigin(new org.bukkit.Location(level.getWorld(), srcX, srcY, srcZ)); + } + // Paper end } public Level getLevel() { diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java index 394164f50256ad9a167e15531a9202875abb6cb6..8ad1b3cb16533d62deda643ce0cdda308743f78e 100644 --- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java +++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java @@ -120,6 +120,14 @@ public class PrimedTnt extends Entity { @Override protected void readAdditionalSaveData(CompoundTag nbt) { this.setFuse(nbt.getShort("Fuse")); + // Paper start - Try and load origin location from the old NBT tags for backwards compatibility + if (nbt.contains("SourceLoc_x")) { + int srcX = nbt.getInt("SourceLoc_x"); + int srcY = nbt.getInt("SourceLoc_y"); + int srcZ = nbt.getInt("SourceLoc_z"); + this.setOrigin(new org.bukkit.Location(level.getWorld(), srcX, srcY, srcZ)); + } + // Paper end } @Nullable diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java index 6722d97d498fb2951b7dd8af3b68dd771ce8f5c1..af1a792a456c2efdc959497c02c1e060ed545724 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java @@ -1098,4 +1098,21 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity { return this.spigot; } // Spigot end + + // Paper start + @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 }