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SakuraMC/patches/server/0018-Store-Entity-Data-State.patch
Samsuik 7fafdbf3cb Updated Upstream (Paper)
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@dc3ef2a Fix vanilla components not being translated (#9893)
PaperMC/Paper@7e15d97 Remove no longer needed diff from adventure patch
PaperMC/Paper@f1820dc Fix incorrect border collision detection
PaperMC/Paper@de04cbc Updated Upstream (Bukkit/CraftBukkit) (#10034)
PaperMC/Paper@ff26d54 send sound and particle packets immediately even if off main (#10033)
PaperMC/Paper@e3140fb hotfix spawning item/xp in wrong spot
PaperMC/Paper@0b95298 Make worldborder collisions consistent with Vanilla
PaperMC/Paper@47b2c18 Don't fire the drop event on player deaths (#10046)
PaperMC/Paper@8c007d9 properly read and store sus effect duration (#10050)
PaperMC/Paper@5385b21 [ci skip] Make test results viewable in-browser and downloadable (#10055)
PaperMC/Paper@086ca61 Fix world border edge collision (#10053)
PaperMC/Paper@45e01a2 Use correct max stack size in crafter (#10057)
PaperMC/Paper@d11a588 Remove duplicate code in chunk tick iteration (#10056)
PaperMC/Paper@b4c9e7e add missing Experimental annotations (#10012)
2023-12-22 11:11:22 +00:00

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4.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <40902469+Samsuik@users.noreply.github.com>
Date: Wed, 16 Aug 2023 22:34:49 +0100
Subject: [PATCH] Store Entity Data/State
diff --git a/src/main/java/me/samsuik/sakura/entity/EntityState.java b/src/main/java/me/samsuik/sakura/entity/EntityState.java
new file mode 100644
index 0000000000000000000000000000000000000000..c9f2c5ae57878283e8c8bc3847fe63b98f4e8d10
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/entity/EntityState.java
@@ -0,0 +1,41 @@
+package me.samsuik.sakura.entity;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.Vec3;
+
+import java.util.Optional;
+
+public record EntityState(Vec3 position, Vec3 momentum, AABB bb, Vec3 stuckSpeed, Optional<BlockPos> supportingPos, boolean onGround, float fallDistance) {
+
+ public static EntityState of(Entity entity) {
+ return new EntityState(entity.position(), entity.getDeltaMovement(), entity.getBoundingBox(), entity.stuckSpeedMultiplier(), entity.mainSupportingBlockPos, entity.onGround(), entity.fallDistance);
+ }
+
+ public void apply(Entity entity) {
+ entity.setPos(position);
+ entity.setDeltaMovement(momentum);
+ entity.setBoundingBox(bb);
+ // null here is only safe for our use case (tnt and sand)
+ //noinspection DataFlowIssue
+ entity.makeStuckInBlock(null, stuckSpeed);
+ entity.onGround = onGround;
+ entity.mainSupportingBlockPos = supportingPos;
+ entity.fallDistance = fallDistance;
+ }
+
+ public void position(Entity entity) {
+ entity.setPos(position);
+ entity.setBoundingBox(bb);
+ }
+
+ public boolean isCurrentState(Entity entity) {
+ return entity.position().equals(position)
+ && entity.getDeltaMovement().equals(momentum);
+ // 1.14+ versions seem to correct morphed bounding boxes after a gametick.
+ // If there are any related issues uncomment this line of code.
+ // && entity.getBoundingBox().equals(bb);
+ }
+
+}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d69dfd44a9ff3ee6861042fa8f5a64c2031815cd..70ca40c87c161d96a3661066386f2560d0aeca6d 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -550,6 +550,34 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
return flags;
}
// Sakura end
+ // Sakura start - entity state (from start of tick)
+ private @Nullable me.samsuik.sakura.entity.EntityState entityState = null;
+
+ public Vec3 stuckSpeedMultiplier() {
+ return stuckSpeedMultiplier;
+ }
+
+ public void storeEntityState() {
+ entityState = me.samsuik.sakura.entity.EntityState.of(this);
+ }
+
+ public @Nullable me.samsuik.sakura.entity.EntityState entityState() {
+ return entityState;
+ }
+
+ public boolean compareState(Entity to) {
+ return to.entityState() != null && to.entityState().isCurrentState(this);
+ }
+
+ public long getPackedOrigin() {
+ var v = getOriginVector();
+ if (v == null) return Long.MIN_VALUE;
+ // Note: vector#getBlockN may not be 100% exact
+ // If there's any future issues at let's say 0.999999...
+ // giving an incorrect position change it to Mth instead.
+ return BlockPos.asLong(v.getBlockX(), v.getBlockY(), v.getBlockZ());
+ }
+ // Sakura end
public boolean isLegacyTrackingEntity = false;
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 9ef1d77dd87793577223402808ff7a6baad42ee4..862a56ce8de55bdca99af24fcf3909e820a0598e 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -1343,6 +1343,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
try {
+ entity.storeEntityState(); // Sakura - store entity state
tickConsumer.accept(entity);
MinecraftServer.getServer().executeMidTickTasks(); // Paper - execute chunk tasks mid tick
} catch (Throwable throwable) {