From 1e83856377d71c19e0e2fe2915a1bc529fc07f43 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/Entity.java b/src/main/java/net/minecraft/server/Entity.java index 769675745..d3e8d1038 100644 --- a/src/main/java/net/minecraft/server/Entity.java +++ b/src/main/java/net/minecraft/server/Entity.java @@ -148,6 +148,7 @@ public abstract class Entity implements ICommandListener { public org.bukkit.projectiles.ProjectileSource projectileSource; // CraftBukkit - For projectiles only public boolean forceExplosionKnockback; // CraftBukkit - SPIGOT-949 public Timing tickTimer = MinecraftTimings.getEntityTimings(this); // Paper + public Location origin; // Paper // Spigot start public final byte activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this); public final boolean defaultActivationState; @@ -1539,6 +1540,11 @@ public abstract class Entity implements ICommandListener { } } + // Paper start - Save the entity's origin location + if (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"); @@ -1683,6 +1689,13 @@ public abstract class Entity implements ICommandListener { } // CraftBukkit end + // Paper start - Restore the entity's origin location + NBTTagList originTag = nbttagcompound.getList("Paper.Origin", 6); + if (!originTag.isEmpty()) { + origin = new 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"); @@ -1707,6 +1720,7 @@ public abstract class Entity implements ICommandListener { protected abstract void b(NBTTagCompound nbttagcompound); + protected 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 16a6f3b9c..f4bb2e651 100644 --- a/src/main/java/net/minecraft/server/EntityFallingBlock.java +++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java @@ -267,6 +267,14 @@ 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 0d70dd1d2..bb0904f86 100644 --- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java +++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java @@ -109,6 +109,14 @@ public class EntityTNTPrimed extends Entity { protected void a(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 bc6383669..ca9eb2f3b 100644 --- a/src/main/java/net/minecraft/server/NBTTagList.java +++ b/src/main/java/net/minecraft/server/NBTTagList.java @@ -153,6 +153,7 @@ public class NBTTagList extends NBTBase { return new int[0]; } + public final double getDoubleAt(int i) { return this.f(i); } // Paper - OBFHELPER public double f(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/World.java b/src/main/java/net/minecraft/server/World.java index ab3d6e484..2695cff93 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -1023,6 +1023,12 @@ public abstract class World implements IBlockAccess { int j = MathHelper.floor(entity.locZ / 16.0D); boolean flag = entity.attachedToPlayer; + // 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 + if (entity instanceof EntityHuman) { flag = true; } diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java index ce773218c..c39281247 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java @@ -743,4 +743,12 @@ 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 } -- 2.13.1