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 fb7930009db2c219347e6601ca2cde0c8601e2b4..26cc626ad0c5328c20f7ef20e8e270c9a3c22dc4 100644 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java @@ -2214,6 +2214,15 @@ public class ServerLevel extends Level implements WorldGenLevel { entity.updateDynamicGameEventListener(DynamicGameEventListener::add); entity.valid = true; // CraftBukkit + // Paper start - Set origin location when the entity is being added to the world + 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 } 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 8a9700d8bbfe2f813259543ed4167495d13e1b4f..cc46ddc81724ea344d09fa75936fae869e396a02 100644 --- a/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java @@ -307,7 +307,27 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource { public long activatedTick = Integer.MIN_VALUE; public void inactiveTick() { } // Spigot end + // 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 public float getBukkitYaw() { return this.yRot; } @@ -1942,6 +1962,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource { this.bukkitEntity.storeBukkitValues(nbt); } // CraftBukkit end + // Paper start - Save the entity's origin location + if (this.origin != null) { + UUID originWorld = this.originWorld != null ? this.originWorld : this.level != null ? this.level.getWorld().getUID() : null; + if (originWorld != null) { + nbt.putUUID("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"); @@ -2069,6 +2098,20 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource { } // CraftBukkit end + // Paper start - Restore the entity's origin location + ListTag originTag = nbt.getList("Paper.Origin", 6); + 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/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java index 88ea09b2f1c33e9fb528aad1564ae858c3c8b064..5e93e55df24941a21721295ef8a3381ae19e1f26 100644 --- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java +++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java @@ -340,6 +340,14 @@ 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 void setHurtsEntities(float fallHurtAmount, int fallHurtMax) { 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 c133d51a363900164c1492359be5b1579806d5cb..ab5817df2c98d24ee627fd5cf1f71e40b044e43e 100644 --- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java +++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java @@ -118,6 +118,14 @@ public class PrimedTnt extends Entity implements TraceableEntity { @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 17c914088b467007aada17e3b2238a9c76fb532b..7a3ae4daa0f1f8dd2dd200fbfa1010f70f4b1f91 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java @@ -1252,5 +1252,20 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity { return ret; } + + @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 }