From 3bd1d97ca60e0d62df26c12863eb8d7b6138a903 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 4d28933..26e0702 100644 --- a/src/main/java/net/minecraft/server/Entity.java +++ b/src/main/java/net/minecraft/server/Entity.java @@ -147,6 +147,7 @@ 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; @@ -1465,6 +1466,11 @@ 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"); @@ -1609,6 +1615,13 @@ 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.e(0), originTag.e(1), originTag.e(2)); + } + // Paper end + } catch (Throwable throwable) { CrashReport crashreport = CrashReport.a(throwable, "Loading entity NBT"); CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Entity being loaded"); @@ -1633,6 +1646,7 @@ 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 4c168d3..307a44c 100644 --- a/src/main/java/net/minecraft/server/EntityFallingBlock.java +++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java @@ -247,6 +247,14 @@ 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 fd07356..25e471d 100644 --- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java +++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java @@ -108,6 +108,14 @@ 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/World.java b/src/main/java/net/minecraft/server/World.java index 2010fdd..a842ebd 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -1021,6 +1021,12 @@ 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 e4fbcf2..5b01727 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java @@ -675,4 +675,12 @@ 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 } diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java index b0a7f63..56666f1 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java @@ -65,4 +65,11 @@ public class CraftFallingBlock extends CraftEntity implements FallingBlock { // Second field for EntityFallingBlock getHandle().ticksLived = value; } + + // Paper start + @Override + public org.bukkit.Location getSourceLoc() { + return getOrigin(); + } + // Paper end } diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java index c493c9c..93843aa 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java @@ -65,4 +65,11 @@ public class CraftTNTPrimed extends CraftEntity implements TNTPrimed { return null; } + + // Paper start + @Override + public org.bukkit.Location getSourceLoc() { + return getOrigin(); + } + // Paper end } -- 2.9.3