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-rw-r--r--patches/server/0006-MC-Dev-fixes.patch59
-rw-r--r--patches/server/1032-Optimize-brain-ticking.patch87
2 files changed, 146 insertions, 0 deletions
diff --git a/patches/server/0006-MC-Dev-fixes.patch b/patches/server/0006-MC-Dev-fixes.patch
index becf3158af..3395dbfa27 100644
--- a/patches/server/0006-MC-Dev-fixes.patch
+++ b/patches/server/0006-MC-Dev-fixes.patch
@@ -132,6 +132,65 @@ index 2dc801061025888192c3bf2c4c38b928c16a0165..ca788f0dcec4a117b410fe8348969e05
}
public static <T> SortedArraySet<T> create(Comparator<T> comparator) {
+diff --git a/src/main/java/net/minecraft/world/entity/ai/Brain.java b/src/main/java/net/minecraft/world/entity/ai/Brain.java
+index ef6e968ed2708272eab407a983928382a2f2049c..f34b3548990d4398123352c439b598d47a904a70 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/Brain.java
++++ b/src/main/java/net/minecraft/world/entity/ai/Brain.java
+@@ -59,8 +59,8 @@ public class Brain<E extends LivingEntity> {
+ }
+
+ public static <E extends LivingEntity> Codec<Brain<E>> codec(final Collection<? extends MemoryModuleType<?>> memoryModules, final Collection<? extends SensorType<? extends Sensor<? super E>>> sensors) {
+- final MutableObject<Codec<Brain<E>>> mutableObject = new MutableObject<>();
+- mutableObject.setValue((new MapCodec<Brain<E>>() {
++ final MutableObject<Codec<Brain<E>>> mutableObject1 = new MutableObject<>(); // Paper - decompile fix
++ mutableObject1.setValue((new MapCodec<Brain<E>>() { // Paper - decompile fix
+ public <T> Stream<T> keys(DynamicOps<T> dynamicOps) {
+ return memoryModules.stream().flatMap((memoryType) -> {
+ return memoryType.getCodec().map((codec) -> {
+@@ -81,7 +81,7 @@ public class Brain<E extends LivingEntity> {
+ mutableObject.setValue(mutableObject.getValue().apply2(ImmutableList.Builder::add, dataResult2));
+ });
+ ImmutableList<Brain.MemoryValue<?>> immutableList = mutableObject.getValue().resultOrPartial(Brain.LOGGER::error).map(ImmutableList.Builder::build).orElseGet(ImmutableList::of);
+- return DataResult.success(new Brain<>(memoryModules, sensors, immutableList, mutableObject::getValue));
++ return DataResult.success(new Brain<>(memoryModules, sensors, immutableList, mutableObject1::getValue)); // Paper - decompile fix
+ }
+
+ private <T, U> DataResult<Brain.MemoryValue<U>> captureRead(MemoryModuleType<U> memoryType, DynamicOps<T> ops, T value) {
+@@ -103,7 +103,7 @@ public class Brain<E extends LivingEntity> {
+ return recordBuilder;
+ }
+ }).fieldOf("memories").codec());
+- return mutableObject.getValue();
++ return mutableObject1.getValue(); // Paper - decompile fix
+ }
+
+ public Brain(Collection<? extends MemoryModuleType<?>> memories, Collection<? extends SensorType<? extends Sensor<? super E>>> sensors, ImmutableList<Brain.MemoryValue<?>> memoryEntries, Supplier<Codec<Brain<E>>> codecSupplier) {
+@@ -181,14 +181,14 @@ public class Brain<E extends LivingEntity> {
+ if (optional == null) {
+ throw new IllegalStateException("Unregistered memory fetched: " + type);
+ } else {
+- return optional.map(ExpirableValue::getValue);
++ return (Optional<U>) optional.map(ExpirableValue::getValue); // Paper - decompile fix
+ }
+ }
+
+ @Nullable
+ public <U> Optional<U> getMemoryInternal(MemoryModuleType<U> type) {
+ Optional<? extends ExpirableValue<?>> optional = this.memories.get(type);
+- return optional == null ? null : optional.map(ExpirableValue::getValue);
++ return optional == null ? null : (Optional<U>) optional.map(ExpirableValue::getValue); // Paper - decompile fix
+ }
+
+ public <U> long getTimeUntilExpiry(MemoryModuleType<U> type) {
+@@ -483,7 +483,7 @@ public class Brain<E extends LivingEntity> {
+ private final Optional<? extends ExpirableValue<U>> value;
+
+ static <U> Brain.MemoryValue<U> createUnchecked(MemoryModuleType<U> type, Optional<? extends ExpirableValue<?>> data) {
+- return new Brain.MemoryValue<>(type, data);
++ return new Brain.MemoryValue<>(type, (Optional<? extends ExpirableValue<U>>) data); // Paper - decompile fix
+ }
+
+ MemoryValue(MemoryModuleType<U> type, Optional<? extends ExpirableValue<U>> data) {
diff --git a/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java b/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
index d6e25c7f5dc6c219e2590aa8b1ffd51a2120d50e..40cdff9eaa1e78e02060d970e477d96f960cfed3 100644
--- a/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
diff --git a/patches/server/1032-Optimize-brain-ticking.patch b/patches/server/1032-Optimize-brain-ticking.patch
new file mode 100644
index 0000000000..51ef4196fb
--- /dev/null
+++ b/patches/server/1032-Optimize-brain-ticking.patch
@@ -0,0 +1,87 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Nassim Jahnke <[email protected]>
+Date: Tue, 12 Sep 2023 21:18:04 +1000
+Subject: [PATCH] Optimize brain ticking
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/ai/Brain.java b/src/main/java/net/minecraft/world/entity/ai/Brain.java
+index f34b3548990d4398123352c439b598d47a904a70..2005cd4ee368c0638f63297a5a0cfaaf86135633 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/Brain.java
++++ b/src/main/java/net/minecraft/world/entity/ai/Brain.java
+@@ -53,6 +53,10 @@ public class Brain<E extends LivingEntity> {
+ private final Set<Activity> activeActivities = Sets.newHashSet();
+ private Activity defaultActivity = Activity.IDLE;
+ private long lastScheduleUpdate = -9999L;
++ // Paper start
++ private boolean dirtyMemories = true;
++ private boolean dirtyActivities = true;
++ // Paper end
+
+ public static <E extends LivingEntity> Brain.Provider<E> provider(Collection<? extends MemoryModuleType<?>> memoryModules, Collection<? extends SensorType<? extends Sensor<? super E>>> sensors) {
+ return new Brain.Provider<>(memoryModules, sensors);
+@@ -144,6 +148,7 @@ public class Brain<E extends LivingEntity> {
+ }
+
+ public void clearMemories() {
++ this.dirtyMemories = true; // Paper
+ this.memories.keySet().forEach((type) -> {
+ this.memories.put(type, Optional.empty());
+ });
+@@ -170,6 +175,7 @@ public class Brain<E extends LivingEntity> {
+ if (memory.isPresent() && this.isEmptyCollection(memory.get().getValue())) {
+ this.eraseMemory(type);
+ } else {
++ this.dirtyMemories = true; // Paper
+ this.memories.put(type, memory);
+ }
+ }
+@@ -281,6 +287,7 @@ public class Brain<E extends LivingEntity> {
+
+ private void setActiveActivity(Activity except) {
+ if (!this.isActive(except)) {
++ this.dirtyActivities = true;
+ this.eraseMemoriesForOtherActivitesThan(except);
+ this.activeActivities.clear();
+ this.activeActivities.addAll(this.coreActivities);
+@@ -314,6 +321,7 @@ public class Brain<E extends LivingEntity> {
+ }
+
+ public void setActiveActivityToFirstValid(List<Activity> activities) {
++ if (!this.dirtyMemories) return; // Paper - this assumes that the list is always going to be the same
+ for(Activity activity : activities) {
+ if (this.activityRequirementsAreMet(activity)) {
+ this.setActiveActivity(activity);
+@@ -321,6 +329,7 @@ public class Brain<E extends LivingEntity> {
+ }
+ }
+
++ this.dirtyMemories = false; // Paper
+ }
+
+ public void setDefaultActivity(Activity activity) {
+@@ -346,6 +355,7 @@ public class Brain<E extends LivingEntity> {
+ }
+
+ public void addActivityAndRemoveMemoriesWhenStopped(Activity activity, ImmutableList<? extends Pair<Integer, ? extends BehaviorControl<? super E>>> indexedTasks, Set<Pair<MemoryModuleType<?>, MemoryStatus>> requiredMemories, Set<MemoryModuleType<?>> forgettingMemories) {
++ this.dirtyMemories = true; // Paper
+ this.activityRequirements.put(activity, requiredMemories);
+ if (!forgettingMemories.isEmpty()) {
+ this.activityMemoriesToEraseWhenStopped.put(activity, forgettingMemories);
+@@ -421,6 +431,12 @@ public class Brain<E extends LivingEntity> {
+ }
+
+ private void startEachNonRunningBehavior(ServerLevel world, E entity) {
++ // Paper start - Dynamic brain activation
++ if (!this.dirtyActivities) {
++ return;
++ }
++ this.dirtyActivities = false;
++ // Paper end - Dynamic brain activation
+ long l = world.getGameTime();
+
+ for(Map<Activity, Set<BehaviorControl<? super E>>> map : this.availableBehaviorsByPriority.values()) {
+@@ -524,3 +540,4 @@ public class Brain<E extends LivingEntity> {
+ }
+ }
+ }
++