1 files changed, 134 insertions, 0 deletions
diff --git a/patches/server/0577-Rate-options-and-timings-for-sensors-and-behaviors.patch b/patches/server/0577-Rate-options-and-timings-for-sensors-and-behaviors.patch
new file mode 100644
index 0000000000..d74af14524
--- /dev/null
+++ b/patches/server/0577-Rate-options-and-timings-for-sensors-and-behaviors.patch
@@ -0,0 +1,134 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Phoenix616 <[email protected]>
+Date: Mon, 28 Jun 2021 22:38:29 +0100
+Subject: [PATCH] Rate options and timings for sensors and behaviors
+
+This adds config options to specify the tick rate for sensors
+ and behaviors of different entity types as well as timings
+ for those in order to be able to have some metrics as to which
+ ones might need tweaking.
+
+diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
+index 4bd813161a5d76a83cdbd0a9209b9ea9e60ffe1b..e2764186bd6b838ed5cd86c15597a08d079ef984 100644
+--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
++++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
+@@ -115,6 +115,14 @@ public final class MinecraftTimings {
+         return Timings.ofSafe("Minecraft", "## tickEntity - " + entityType + " - " + type, tickEntityTimer);
+     }
+ 
++    public static Timing getBehaviorTimings(String type) {
++        return Timings.ofSafe("## Behavior - " + type);
++    }
++
++    public static Timing getSensorTimings(String type, int rate) {
++        return Timings.ofSafe("## Sensor - " + type + " (Default rate: " + rate + ")");
++    }
++
+     /**
+      * Get a named timer for the specified tile entity type to track type specific timings.
+      * @param entity
+diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/Behavior.java b/src/main/java/net/minecraft/world/entity/ai/behavior/Behavior.java
+index f639cafa64d98a001e622882c647701547f5c3ac..9379dd4056018b52c93ed4888dcdc94579bd9691 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/behavior/Behavior.java
++++ b/src/main/java/net/minecraft/world/entity/ai/behavior/Behavior.java
+@@ -14,6 +14,10 @@ public abstract class Behavior<E extends LivingEntity> implements BehaviorContro
+     private long endTimestamp;
+     private final int minDuration;
+     private final int maxDuration;
++    // Paper start - configurable behavior tick rate and timings
++    private final String configKey;
++    private final co.aikar.timings.Timing timing;
++    // Paper end - configurable behavior tick rate and timings
+ 
+     public Behavior(Map<MemoryModuleType<?>, MemoryStatus> requiredMemoryState) {
+         this(requiredMemoryState, 60);
+@@ -27,6 +31,15 @@ public abstract class Behavior<E extends LivingEntity> implements BehaviorContro
+         this.minDuration = minRunTime;
+         this.maxDuration = maxRunTime;
+         this.entryCondition = requiredMemoryState;
++        // Paper start - configurable behavior tick rate and timings
++        String key = io.papermc.paper.util.MappingEnvironment.reobf() ? io.papermc.paper.util.ObfHelper.INSTANCE.deobfClassName(this.getClass().getName()) : this.getClass().getName();
++        int lastSeparator = key.lastIndexOf('.');
++        if (lastSeparator != -1) {
++            key = key.substring(lastSeparator + 1);
++        }
++        this.configKey = key.toLowerCase(java.util.Locale.ROOT);
++        this.timing = co.aikar.timings.MinecraftTimings.getBehaviorTimings(configKey);
++        // Paper end - configurable behavior tick rate and timings
+     }
+ 
+     @Override
+@@ -36,11 +49,19 @@ public abstract class Behavior<E extends LivingEntity> implements BehaviorContro
+ 
+     @Override
+     public final boolean tryStart(ServerLevel world, E entity, long time) {
++        // Paper start - configurable behavior tick rate and timings
++        int tickRate = java.util.Objects.requireNonNullElse(world.paperConfig().tickRates.behavior.get(entity.getType(), this.configKey), -1);
++        if (tickRate > -1 && time < this.endTimestamp + tickRate) {
++            return false;
++        }
++        // Paper end - configurable behavior tick rate and timings
+         if (this.hasRequiredMemories(entity) && this.checkExtraStartConditions(world, entity)) {
+             this.status = Behavior.Status.RUNNING;
+             int i = this.minDuration + world.getRandom().nextInt(this.maxDuration + 1 - this.minDuration);
+             this.endTimestamp = time + (long)i;
++            this.timing.startTiming(); // Paper - behavior timings
+             this.start(world, entity, time);
++            this.timing.stopTiming(); // Paper - behavior timings
+             return true;
+         } else {
+             return false;
+@@ -52,11 +73,13 @@ public abstract class Behavior<E extends LivingEntity> implements BehaviorContro
+ 
+     @Override
+     public final void tickOrStop(ServerLevel world, E entity, long time) {
++        this.timing.startTiming(); // Paper - behavior timings
+         if (!this.timedOut(time) && this.canStillUse(world, entity, time)) {
+             this.tick(world, entity, time);
+         } else {
+             this.doStop(world, entity, time);
+         }
++        this.timing.stopTiming(); // Paper - behavior timings
+     }
+ 
+     protected void tick(ServerLevel world, E entity, long time) {
+diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/Sensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/Sensor.java
+index 671fc7725d7c801a2ba009da5bd1bc1a9530f187..85b4b24361e785acf75571ff98f924c00ae80748 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/sensing/Sensor.java
++++ b/src/main/java/net/minecraft/world/entity/ai/sensing/Sensor.java
+@@ -26,8 +26,21 @@ public abstract class Sensor<E extends LivingEntity> {
+         .ignoreInvisibilityTesting();
+     private final int scanRate;
+     private long timeToTick;
++    // Paper start - configurable sensor tick rate and timings
++    private final String configKey;
++    private final co.aikar.timings.Timing timing;
++    // Paper end
+ 
+     public Sensor(int senseInterval) {
++        // Paper start - configurable sensor tick rate and timings
++        String key = io.papermc.paper.util.MappingEnvironment.reobf() ? io.papermc.paper.util.ObfHelper.INSTANCE.deobfClassName(this.getClass().getName()) : this.getClass().getName();
++        int lastSeparator = key.lastIndexOf('.');
++        if (lastSeparator != -1) {
++            key = key.substring(lastSeparator + 1);
++        }
++        this.configKey = key.toLowerCase(java.util.Locale.ROOT);
++        this.timing = co.aikar.timings.MinecraftTimings.getSensorTimings(configKey, senseInterval);
++        // Paper end
+         this.scanRate = senseInterval;
+         this.timeToTick = (long)RANDOM.nextInt(senseInterval);
+     }
+@@ -38,8 +51,12 @@ public abstract class Sensor<E extends LivingEntity> {
+ 
+     public final void tick(ServerLevel world, E entity) {
+         if (--this.timeToTick <= 0L) {
+-            this.timeToTick = (long)this.scanRate;
++            // Paper start - configurable sensor tick rate and timings
++            this.timeToTick = java.util.Objects.requireNonNullElse(world.paperConfig().tickRates.sensor.get(entity.getType(), this.configKey), this.scanRate);
++            this.timing.startTiming();
++            // Paper end
+             this.doTick(world, entity);
++            this.timing.stopTiming(); // Paper - sensor timings
+         }
+     }
+