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Leaf/patches/server/0039-Petal-Async-Pathfinding.patch
Dreeam 90732ec4cf Add back Leaves protocol support
2024-05-21 19:21:31 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: peaches94 <peachescu94@gmail.com>
Date: Sun, 26 Jun 2022 16:51:37 -0500
Subject: [PATCH] Petal: Async Pathfinding
Fixed & Updated by KaiijuMC
Original license: GPLv3
Original project: https://github.com/KaiijuMC/Kaiiju
Original license: GPLv3
Original project: https://github.com/Bloom-host/Petal
This patch was ported downstream from the Petal fork.
Makes most pathfinding-related work happen asynchronously
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 3a153b7f1092c2d4ac6e0115f611d60907619a40..8ba2d0884114abd7dd3ff8d6e8a9a86e171bc2c0 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -303,6 +303,7 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti
@Nullable
@Override
public LivingEntity getTarget() {
+ //if (Thread.currentThread().getName().contains("petal-async-pathfinding-thread")) return this.target; // Kaiiju - Don't reset target when async pathfinding! // Leaf - Don't need this
return this.target;
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/AcquirePoi.java b/src/main/java/net/minecraft/world/entity/ai/behavior/AcquirePoi.java
index c72ce539f3e339c6e87138e744f033d2143abc7a..4e1ac973102dc2ba8329fb6657f328228b241661 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/AcquirePoi.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/AcquirePoi.java
@@ -85,6 +85,38 @@ public class AcquirePoi {
io.papermc.paper.util.PoiAccess.findNearestPoiPositions(poiManager, poiPredicate, predicate2, entity.blockPosition(), world.purpurConfig.villagerAcquirePoiSearchRadius, world.purpurConfig.villagerAcquirePoiSearchRadius*world.purpurConfig.villagerAcquirePoiSearchRadius, PoiManager.Occupancy.HAS_SPACE, false, 5, poiposes); // Purpur
Set<Pair<Holder<PoiType>, BlockPos>> set = new java.util.HashSet<>(poiposes);
// Paper end - optimise POI access
+ // Kaiiju start - petal - Async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ // await on path async
+ Path possiblePath = findPathToPois(entity, set);
+
+ // wait on the path to be processed
+ org.dreeam.leaf.async.path.AsyncPathProcessor.awaitProcessing(entity, possiblePath, path -> {
+ // read canReach check
+ if (path == null || !path.canReach()) {
+ for (Pair<Holder<PoiType>, BlockPos> pair : set) {
+ long2ObjectMap.computeIfAbsent(
+ pair.getSecond().asLong(),
+ m -> new JitteredLinearRetry(entity.level().random, time)
+ );
+ }
+ return;
+ }
+ BlockPos blockPos = path.getTarget();
+ poiManager.getType(blockPos).ifPresent(poiType -> {
+ poiManager.take(poiPredicate,
+ (holder, blockPos2) -> blockPos2.equals(blockPos),
+ blockPos,
+ 1
+ );
+ queryResult.set(GlobalPos.of(world.dimension(), blockPos));
+ entityStatus.ifPresent(status -> world.broadcastEntityEvent(entity, status));
+ long2ObjectMap.clear();
+ DebugPackets.sendPoiTicketCountPacket(world, blockPos);
+ });
+ });
+ } else {
+ // Kaiiju end
Path path = findPathToPois(entity, set);
if (path != null && path.canReach()) {
BlockPos blockPos = path.getTarget();
@@ -102,6 +134,7 @@ public class AcquirePoi {
);
}
}
+ } // Kaiiju - Async path processing
return true;
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java b/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
index 2a7a26ca447cc78f24e61a2bf557411c31eb16b2..4010cb7ad8897995c8b850f9279aad2a2b58d4eb 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
@@ -21,6 +21,7 @@ public class MoveToTargetSink extends Behavior<Mob> {
private int remainingCooldown;
@Nullable
private Path path;
+ private boolean finishedProcessing; // Kaiiju - petal - track when path is processed
@Nullable
private BlockPos lastTargetPos;
private float speedModifier;
@@ -53,9 +54,10 @@ public class MoveToTargetSink extends Behavior<Mob> {
Brain<?> brain = entity.getBrain();
WalkTarget walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET).get();
boolean bl = this.reachedTarget(entity, walkTarget);
- if (!bl && this.tryComputePath(entity, walkTarget, world.getGameTime())) {
+ if (!org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled && !bl && this.tryComputePath(entity, walkTarget, world.getGameTime())) { // Kaiiju - petal - async path processing means we can't know if the path is reachable here
this.lastTargetPos = walkTarget.getTarget().currentBlockPosition();
return true;
+ } else if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled && !bl) { return true; // Kaiiju - async pathfinding
} else {
brain.eraseMemory(MemoryModuleType.WALK_TARGET);
if (bl) {
@@ -69,6 +71,7 @@ public class MoveToTargetSink extends Behavior<Mob> {
@Override
protected boolean canStillUse(ServerLevel world, Mob entity, long time) {
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled && !this.finishedProcessing) return true; // Kaiiju - petal - wait for processing
if (this.path != null && this.lastTargetPos != null) {
Optional<WalkTarget> optional = entity.getBrain().getMemory(MemoryModuleType.WALK_TARGET);
boolean bl = optional.map(MoveToTargetSink::isWalkTargetSpectator).orElse(false);
@@ -95,12 +98,68 @@ public class MoveToTargetSink extends Behavior<Mob> {
@Override
protected void start(ServerLevel serverLevel, Mob mob, long l) {
+ // Kaiiju start - petal - start processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ Brain<?> brain = mob.getBrain();
+ WalkTarget walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET).get();
+
+ this.finishedProcessing = false;
+ this.lastTargetPos = walkTarget.getTarget().currentBlockPosition();
+ this.path = this.computePath(mob, walkTarget);
+ return;
+ }
+ // Kaiiju end
mob.getBrain().setMemory(MemoryModuleType.PATH, this.path);
mob.getNavigation().moveTo(this.path, (double)this.speedModifier);
}
@Override
protected void tick(ServerLevel serverLevel, Mob mob, long l) {
+ // Kaiiju start - petal - Async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ if (this.path != null && !this.path.isProcessed()) return; // wait for processing
+
+ if (!this.finishedProcessing) {
+ this.finishedProcessing = true;
+
+ Brain<?> brain = mob.getBrain();
+ boolean canReach = this.path != null && this.path.canReach();
+ if (canReach) {
+ brain.eraseMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE);
+ } else if (!brain.hasMemoryValue(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE)) {
+ brain.setMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE, l);
+ }
+
+ if (!canReach) {
+ Optional<WalkTarget> walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET);
+
+ if (!walkTarget.isPresent()) return;
+
+ BlockPos blockPos = walkTarget.get().getTarget().currentBlockPosition();
+ Vec3 vec3 = DefaultRandomPos.getPosTowards((PathfinderMob) mob, 10, 7, Vec3.atBottomCenterOf(blockPos), (float) Math.PI / 2F);
+ if (vec3 != null) {
+ // try recalculating the path using a random position
+ this.path = mob.getNavigation().createPath(vec3.x, vec3.y, vec3.z, 0);
+ this.finishedProcessing = false;
+ return;
+ }
+ }
+
+ mob.getBrain().setMemory(MemoryModuleType.PATH, this.path);
+ mob.getNavigation().moveTo(this.path, this.speedModifier);
+ }
+
+ Path path = mob.getNavigation().getPath();
+ Brain<?> brain = mob.getBrain();
+
+ if (path != null && this.lastTargetPos != null && brain.hasMemoryValue(MemoryModuleType.WALK_TARGET)) {
+ WalkTarget walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET).get(); // we know isPresent = true
+ if (walkTarget.getTarget().currentBlockPosition().distSqr(this.lastTargetPos) > 4.0D) {
+ this.start(serverLevel, mob, l);
+ }
+ }
+ } else {
+ // Kaiiju end
Path path = mob.getNavigation().getPath();
Brain<?> brain = mob.getBrain();
if (this.path != path) {
@@ -116,7 +175,23 @@ public class MoveToTargetSink extends Behavior<Mob> {
this.start(serverLevel, mob, l);
}
}
+ } // Kaiiju - async path processing
+ }
+
+ // Kaiiju start - petal - Async path processing
+ @Nullable
+ private Path computePath(Mob entity, WalkTarget walkTarget) {
+ BlockPos blockPos = walkTarget.getTarget().currentBlockPosition();
+ // don't pathfind outside region
+ //if (!io.papermc.paper.util.TickThread.isTickThreadFor((ServerLevel) entity.level(), blockPos)) return null; // Leaf - Don't need this
+ this.speedModifier = walkTarget.getSpeedModifier();
+ Brain<?> brain = entity.getBrain();
+ if (this.reachedTarget(entity, walkTarget)) {
+ brain.eraseMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE);
+ }
+ return entity.getNavigation().createPath(blockPos, 0);
}
+ // Kaiiju end
private boolean tryComputePath(Mob entity, WalkTarget walkTarget, long time) {
BlockPos blockPos = walkTarget.getTarget().currentBlockPosition();
diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/SetClosestHomeAsWalkTarget.java b/src/main/java/net/minecraft/world/entity/ai/behavior/SetClosestHomeAsWalkTarget.java
index 6802e0c4d331c7125114dd86409f6a110465ab82..84a36ef3e98af24a24a25b83826f44bb7f746bcc 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/SetClosestHomeAsWalkTarget.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/SetClosestHomeAsWalkTarget.java
@@ -60,6 +60,26 @@ public class SetClosestHomeAsWalkTarget {
poiType -> poiType.is(PoiTypes.HOME), predicate, entity.blockPosition(), 48, PoiManager.Occupancy.ANY
)
.collect(Collectors.toSet());
+ // Kaiiju start - petal - Async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ // await on path async
+ Path possiblePath = AcquirePoi.findPathToPois(entity, set);
+
+ // wait on the path to be processed
+ org.dreeam.leaf.async.path.AsyncPathProcessor.awaitProcessing(entity, possiblePath, path -> {
+ if (path == null || !path.canReach() || mutableInt.getValue() < 5) { // read canReach check
+ long2LongMap.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < mutableLong.getValue());
+ return;
+ }
+ BlockPos blockPos = path.getTarget();
+ Optional<Holder<PoiType>> optional2 = poiManager.getType(blockPos);
+ if (optional2.isPresent()) {
+ walkTarget.set(new WalkTarget(blockPos, speed, 1));
+ DebugPackets.sendPoiTicketCountPacket(world, blockPos);
+ }
+ });
+ } else {
+ // Kaiiju end
Path path = AcquirePoi.findPathToPois(entity, set);
if (path != null && path.canReach()) {
BlockPos blockPos = path.getTarget();
@@ -71,6 +91,7 @@ public class SetClosestHomeAsWalkTarget {
} else if (mutableInt.getValue() < 5) {
long2LongMap.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < mutableLong.getValue());
}
+ } // Kaiiju - async path processing
return true;
} else {
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/DoorInteractGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/DoorInteractGoal.java
index 74aca307b4ebffe4e33c4fca3e07c23ca87622ac..37e61aa259f573cc5b5844026af99f3c72945f34 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/DoorInteractGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/DoorInteractGoal.java
@@ -56,7 +56,7 @@ public abstract class DoorInteractGoal extends Goal {
} else {
GroundPathNavigation groundPathNavigation = (GroundPathNavigation)this.mob.getNavigation();
Path path = groundPathNavigation.getPath();
- if (path != null && !path.isDone() && groundPathNavigation.canOpenDoors()) {
+ if (path != null && path.isProcessed() && !path.isDone() && groundPathNavigation.canOpenDoors()) { // Kaiiju - async pathfinding - ensure path is processed
for (int i = 0; i < Math.min(path.getNextNodeIndex() + 2, path.getNodeCount()); i++) {
Node node = path.getNode(i);
this.doorPos = new BlockPos(node.x, node.y + 1, node.z);
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/AmphibiousPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/AmphibiousPathNavigation.java
index ee38e447a810094d2253b85714b74282a4b4c2bc..e4699174bd7dbd2e24d5d11c385fb40d4aeb79c6 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/AmphibiousPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/AmphibiousPathNavigation.java
@@ -12,10 +12,26 @@ public class AmphibiousPathNavigation extends PathNavigation {
super(mob, world);
}
+ // Kaiiju start - petal - async path processing
+ private static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ AmphibiousNodeEvaluator nodeEvaluator = new AmphibiousNodeEvaluator(false);
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new AmphibiousNodeEvaluator(false);
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
index a3e0c5af4cc9323c02e88e768cbda9e46854aea1..231664c516ded9bb4619d8afb41e5cb2806209be 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
@@ -16,10 +16,26 @@ public class FlyingPathNavigation extends PathNavigation {
super(entity, world);
}
+ // Kaiiju start - petal - async path processing
+ private static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ FlyNodeEvaluator nodeEvaluator = new FlyNodeEvaluator();
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new FlyNodeEvaluator();
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
@@ -49,6 +65,7 @@ public class FlyingPathNavigation extends PathNavigation {
if (this.hasDelayedRecomputation) {
this.recomputePath();
}
+ if (this.path != null && !this.path.isProcessed()) return; // Kaiiju - petal - async path processing
if (!this.isDone()) {
if (this.canUpdatePath()) {
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
index 62634bedd97c5be9ecce24ab0cff205715a68da8..5266cee05a00fefba98a10eb91bb477f189e1ad1 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
@@ -23,10 +23,26 @@ public class GroundPathNavigation extends PathNavigation {
super(entity, world);
}
+ // Kaiiju start - petal - async path processing
+ protected static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ WalkNodeEvaluator nodeEvaluator = new WalkNodeEvaluator();
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new WalkNodeEvaluator();
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
index aea01c46bf59ed811356180436fc0789e354d981..8ba2c3855b69ad9ca717675e70df1055cb4a677a 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
@@ -152,6 +152,10 @@ public abstract class PathNavigation {
return null;
} else if (!this.canUpdatePath()) {
return null;
+ // Kaiiju start - petal - catch early if it's still processing these positions let it keep processing
+ } else if (this.path instanceof org.dreeam.leaf.async.path.AsyncPath asyncPath && !asyncPath.isProcessed() && asyncPath.hasSameProcessingPositions(positions)) {
+ return this.path;
+ // Kaiiju end
} else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) {
return this.path;
} else {
@@ -176,11 +180,29 @@ public abstract class PathNavigation {
int i = (int)(followRange + (float)range);
PathNavigationRegion pathNavigationRegion = new PathNavigationRegion(this.level, blockPos.offset(-i, -i, -i), blockPos.offset(i, i, i));
Path path = this.pathFinder.findPath(pathNavigationRegion, this.mob, positions, followRange, distance, this.maxVisitedNodesMultiplier);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ // assign early a target position. most calls will only have 1 position
+ if (!positions.isEmpty()) this.targetPos = positions.iterator().next();
+
+ org.dreeam.leaf.async.path.AsyncPathProcessor.awaitProcessing(mob, path, processedPath -> {
+ // check that processing didn't take so long that we calculated a new path
+ if (processedPath != this.path) return;
+
+ if (processedPath != null && processedPath.getTarget() != null) {
+ this.targetPos = processedPath.getTarget();
+ this.reachRange = distance;
+ this.resetStuckTimeout();
+ }
+ });
+ } else {
+ // Kaiiju end
if (path != null && path.getTarget() != null) {
this.targetPos = path.getTarget();
this.reachRange = distance;
this.resetStuckTimeout();
}
+ } // Kaiiju - async path processing
return path;
}
@@ -231,8 +253,8 @@ public abstract class PathNavigation {
if (this.isDone()) {
return false;
} else {
- this.trimPath();
- if (this.path.getNodeCount() <= 0) {
+ if (path.isProcessed()) this.trimPath(); // Kaiiju - petal - only trim if processed
+ if (path.isProcessed() && this.path.getNodeCount() <= 0) { // Kaiiju - petal - only check node count if processed
return false;
} else {
this.speedModifier = speed;
@@ -255,6 +277,7 @@ public abstract class PathNavigation {
if (this.hasDelayedRecomputation) {
this.recomputePath();
}
+ if (this.path != null && !this.path.isProcessed()) return; // Kaiiju - petal - skip pathfinding if we're still processing
if (!this.isDone()) {
if (this.canUpdatePath()) {
@@ -281,6 +304,7 @@ public abstract class PathNavigation {
}
protected void followThePath() {
+ if (!this.path.isProcessed()) return; // Kaiiju - petal - skip if not processed
Vec3 vec3 = this.getTempMobPos();
this.maxDistanceToWaypoint = this.mob.getBbWidth() > 0.75F ? this.mob.getBbWidth() / 2.0F : 0.75F - this.mob.getBbWidth() / 2.0F;
Vec3i vec3i = this.path.getNextNodePos();
@@ -437,7 +461,7 @@ public abstract class PathNavigation {
public boolean shouldRecomputePath(BlockPos pos) {
if (this.hasDelayedRecomputation) {
return false;
- } else if (this.path != null && !this.path.isDone() && this.path.getNodeCount() != 0) {
+ } else if (this.path != null && this.path.isProcessed() && !this.path.isDone() && this.path.getNodeCount() != 0) { // Kaiiju - petal - Skip if not processed
Node node = this.path.getEndNode();
Vec3 vec3 = new Vec3(((double)node.x + this.mob.getX()) / 2.0, ((double)node.y + this.mob.getY()) / 2.0, ((double)node.z + this.mob.getZ()) / 2.0);
return pos.closerToCenterThan(vec3, (double)(this.path.getNodeCount() - this.path.getNextNodeIndex()));
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/WaterBoundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/WaterBoundPathNavigation.java
index ce7398a617abe6e800c1e014b3ac5c970eb15c8a..dbf43209417d8453ff39839392eba45b2bc625c1 100644
--- a/src/main/java/net/minecraft/world/entity/ai/navigation/WaterBoundPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/WaterBoundPathNavigation.java
@@ -15,10 +15,26 @@ public class WaterBoundPathNavigation extends PathNavigation {
super(entity, world);
}
+ // Kaiiju start - petal - async path processing
+ private static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ SwimNodeEvaluator nodeEvaluator = new SwimNodeEvaluator(nodeEvaluatorFeatures.allowBreaching());
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
protected PathFinder createPathFinder(int range) {
this.allowBreaching = this.mob.getType() == EntityType.DOLPHIN;
this.nodeEvaluator = new SwimNodeEvaluator(this.allowBreaching);
+ // Kaiiju start - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestBedSensor.java b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestBedSensor.java
index 9104d7010bda6f9f73b478c11490ef9c53f76da2..7c56e627cba4e6be6bb72f34cb283621febf6695 100644
--- a/src/main/java/net/minecraft/world/entity/ai/sensing/NearestBedSensor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/sensing/NearestBedSensor.java
@@ -57,6 +57,25 @@ public class NearestBedSensor extends Sensor<Mob> {
java.util.List<Pair<Holder<PoiType>, BlockPos>> poiposes = new java.util.ArrayList<>();
// don't ask me why it's unbounded. ask mojang.
io.papermc.paper.util.PoiAccess.findAnyPoiPositions(poiManager, type -> type.is(PoiTypes.HOME), predicate, entity.blockPosition(), world.purpurConfig.villagerNearestBedSensorSearchRadius, PoiManager.Occupancy.ANY, false, Integer.MAX_VALUE, poiposes); // Purpur
+ // Kaiiju start - await on async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ Path possiblePath = AcquirePoi.findPathToPois(entity, new java.util.HashSet<>(poiposes));
+ org.dreeam.leaf.async.path.AsyncPathProcessor.awaitProcessing(entity, possiblePath, path -> {
+ // read canReach check
+ if ((path == null || !path.canReach()) && this.triedCount < 5) {
+ this.batchCache.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < this.lastUpdate);
+ return;
+ }
+ if (path == null) return;
+
+ BlockPos blockPos = path.getTarget();
+ Optional<Holder<PoiType>> optional = poiManager.getType(blockPos);
+ if (optional.isPresent()) {
+ entity.getBrain().setMemory(MemoryModuleType.NEAREST_BED, blockPos);
+ }
+ });
+ } else {
+ // Kaiiju end
Path path = AcquirePoi.findPathToPois(entity, new java.util.HashSet<>(poiposes));
// Paper end - optimise POI access
if (path != null && path.canReach()) {
@@ -68,6 +87,7 @@ public class NearestBedSensor extends Sensor<Mob> {
} else if (this.triedCount < 5) {
this.batchCache.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < this.lastUpdate);
}
+ } // Kaiiju - async path processing
}
}
}
diff --git a/src/main/java/net/minecraft/world/entity/animal/Bee.java b/src/main/java/net/minecraft/world/entity/animal/Bee.java
index 539170813921de2dfcd7ef84dd7512d73cd27e68..d47576293144efcbfb3906a77d757ce810641990 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Bee.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java
@@ -1135,7 +1135,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
} else {
Bee.this.pathfindRandomlyTowards(Bee.this.hivePos);
}
- } else {
+ } else if (navigation.getPath() != null && navigation.getPath().isProcessed()) { // Kaiiju - petal - check processing
boolean flag = this.pathfindDirectlyTowards(Bee.this.hivePos);
if (!flag) {
@@ -1197,7 +1197,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
} else {
Path pathentity = Bee.this.navigation.getPath();
- return pathentity != null && pathentity.getTarget().equals(pos) && pathentity.canReach() && pathentity.isDone();
+ return pathentity != null && pathentity.isProcessed() && pathentity.getTarget().equals(pos) && pathentity.canReach() && pathentity.isDone(); // Kaiiju - petal - ensure path is processed
}
}
}
diff --git a/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java b/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
index 7c4e7d55874fa968d52eab683e9979ba38e91c2e..da026533b15a1981000e73bba6c5209c13de28dc 100644
--- a/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
+++ b/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
@@ -465,6 +465,17 @@ public class Frog extends Animal implements VariantHolder<Holder<FrogVariant>> {
super(frog, world);
}
+ // Kaiiju start - petal - async path processing
+ private static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ Frog.FrogNodeEvaluator nodeEvaluator = new Frog.FrogNodeEvaluator(true);
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
public boolean canCutCorner(PathType nodeType) {
return nodeType != PathType.WATER_BORDER && super.canCutCorner(nodeType);
@@ -474,6 +485,11 @@ public class Frog extends Animal implements VariantHolder<Holder<FrogVariant>> {
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new Frog.FrogNodeEvaluator(true);
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/Drowned.java b/src/main/java/net/minecraft/world/entity/monster/Drowned.java
index 15afee3c4f6307557321424560d2340e23cd472b..05ed15bcd5974af13395316b50f4ae78385f2ee4 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Drowned.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Drowned.java
@@ -296,7 +296,7 @@ public class Drowned extends Zombie implements RangedAttackMob {
protected boolean closeToNextPos() {
Path pathentity = this.getNavigation().getPath();
- if (pathentity != null) {
+ if (pathentity != null && pathentity.isProcessed()) { // Kaiiju - petal - ensure path is processed
BlockPos blockposition = pathentity.getTarget();
if (blockposition != null) {
diff --git a/src/main/java/net/minecraft/world/entity/monster/Strider.java b/src/main/java/net/minecraft/world/entity/monster/Strider.java
index 5ea5bf9c0e11b0e1f9fe50093899c6e35ee6cf4f..df439eb41f04ef5e2018cf5bb1222f64b4414171 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Strider.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Strider.java
@@ -609,10 +609,26 @@ public class Strider extends Animal implements ItemSteerable, Saddleable {
super(entity, world);
}
+ // Kaiiju start - petal - async path processing
+ private static final org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator = (org.dreeam.leaf.async.path.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> {
+ WalkNodeEvaluator nodeEvaluator = new WalkNodeEvaluator();
+ nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors());
+ nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat());
+ nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences());
+ nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors());
+ return nodeEvaluator;
+ };
+ // Kaiiju end
+
@Override
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new WalkNodeEvaluator();
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator);
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range);
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java b/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
index 664774be9fa4422cc76b0f7e362737426e8e1105..3102be6066b0a8065cc0c80b5c4a5d369dc35b72 100644
--- a/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
+++ b/src/main/java/net/minecraft/world/entity/monster/warden/Warden.java
@@ -617,6 +617,16 @@ public class Warden extends Monster implements VibrationSystem {
protected PathFinder createPathFinder(int range) {
this.nodeEvaluator = new WalkNodeEvaluator();
this.nodeEvaluator.setCanPassDoors(true);
+ // Kaiiju start - petal - async path processing
+ if (org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled) {
+ return new PathFinder(this.nodeEvaluator, range, GroundPathNavigation.nodeEvaluatorGenerator) {
+ @Override
+ protected float distance(Node a, Node b) {
+ return a.distanceToXZ(b);
+ }
+ };
+ }
+ // Kaiiju end
return new PathFinder(this.nodeEvaluator, range) { // CraftBukkit - decompile error
@Override
protected float distance(Node a, Node b) {
diff --git a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
index 68431244432a4342041e63218cf7d1eb4eb7ebc0..b828e2dc11770acfcdc419798f7bd82faaafe5d4 100644
--- a/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ShulkerBoxBlock.java
@@ -215,8 +215,15 @@ public class ShulkerBoxBlock extends BaseEntityBlock {
@Override
protected VoxelShape getShape(BlockState state, BlockGetter world, BlockPos pos, CollisionContext context) {
+ //if (Thread.currentThread().getName().contains("petal-async-pathfinding-thread")) return Shapes.block(); // Kaiiju - async pathfinding - we cannot get block entities // Leaf - Don't need this
BlockEntity blockEntity = world.getBlockEntity(pos);
return blockEntity instanceof ShulkerBoxBlockEntity ? Shapes.create(((ShulkerBoxBlockEntity)blockEntity).getBoundingBox(state)) : Shapes.block();
+ // Kaiiju start - async pathfinding - workaround // Leaf - Don't need this
+ /*
+ } catch (NullPointerException e) {
+ return Shapes.block();
+ }
+ */
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/Path.java b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
index d9d0fff9962131808d54cca20f209df50b8e4af1..f2dcbb40ed43e6ddf6f3dc27fcff04f7962312aa 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/Path.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
@@ -27,6 +27,17 @@ public class Path {
this.reached = reachesTarget;
}
+ // Kaiiju start - petal - async path processing
+ /**
+ * checks if the path is completely processed in the case of it being computed async
+ *
+ * @return true if the path is processed
+ */
+ public boolean isProcessed() {
+ return true;
+ }
+ // Kaiiju end
+
public void advance() {
this.nextNodeIndex++;
}
@@ -100,6 +111,7 @@ public class Path {
}
public boolean sameAs(@Nullable Path o) {
+ if (o == this) return true; // Kaiiju - petal - short circuit
if (o == null) {
return false;
} else if (o.nodes.size() != this.nodes.size()) {
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
index f890c27c960b6511b7961f380b23e9ca8f86ba0e..89b74ee7bd2b75c4eaee7c7bca6cbadad2d9165b 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
@@ -23,35 +23,80 @@ public class PathFinder {
public final NodeEvaluator nodeEvaluator;
private static final boolean DEBUG = false;
private final BinaryHeap openSet = new BinaryHeap();
+ private final @Nullable org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator; // Kaiiju - petal - we use this later to generate an evaluator
- public PathFinder(NodeEvaluator pathNodeMaker, int range) {
+ public PathFinder(NodeEvaluator pathNodeMaker, int range, @Nullable org.dreeam.leaf.async.path.NodeEvaluatorGenerator nodeEvaluatorGenerator) { // Kaiiju - petal - add nodeEvaluatorGenerator
this.nodeEvaluator = pathNodeMaker;
this.maxVisitedNodes = range;
+ // Kaiiju start - petal - support nodeEvaluatorgenerators
+ this.nodeEvaluatorGenerator = nodeEvaluatorGenerator;
+ }
+
+ public PathFinder(NodeEvaluator pathNodeMaker, int range) {
+ this(pathNodeMaker, range, null);
+ // Kaiiju end
}
@Nullable
public Path findPath(PathNavigationRegion world, Mob mob, Set<BlockPos> positions, float followRange, int distance, float rangeMultiplier) {
- this.openSet.clear();
- this.nodeEvaluator.prepare(world, mob);
- Node node = this.nodeEvaluator.getStart();
+ if (!org.dreeam.leaf.config.modules.async.AsyncPathfinding.enabled)
+ this.openSet.clear(); // Kaiiju - petal - it's always cleared in processPath
+ // Kaiiju start - petal - use a generated evaluator if we have one otherwise run sync
+ NodeEvaluator nodeEvaluator = this.nodeEvaluatorGenerator == null
+ ? this.nodeEvaluator
+ : org.dreeam.leaf.async.path.NodeEvaluatorCache.takeNodeEvaluator(this.nodeEvaluatorGenerator, this.nodeEvaluator);
+ nodeEvaluator.prepare(world, mob);
+ Node node = nodeEvaluator.getStart();
+ // Kaiiju end
if (node == null) {
+ org.dreeam.leaf.async.path.NodeEvaluatorCache.removeNodeEvaluator(nodeEvaluator); // Kaiiju - petal - handle nodeEvaluatorGenerator
return null;
} else {
// Paper start - Perf: remove streams and optimize collection
List<Map.Entry<Target, BlockPos>> map = Lists.newArrayList();
for (final BlockPos pos : positions) {
- map.add(new java.util.AbstractMap.SimpleEntry<>(this.nodeEvaluator.getTarget(pos.getX(), pos.getY(), pos.getZ()), pos));
+ map.add(new java.util.AbstractMap.SimpleEntry<>(nodeEvaluator.getTarget(pos.getX(), pos.getY(), pos.getZ()), pos)); // Kaiiju - petal - handle nodeEvaluatorGenerator
}
// Paper end - Perf: remove streams and optimize collection
- Path path = this.findPath(node, map, followRange, distance, rangeMultiplier); // Gale - Purpur - remove vanilla profiler
- this.nodeEvaluator.done();
- return path;
+ // Kaiiju start - petal - async path processing
+ if (this.nodeEvaluatorGenerator == null) {
+ // run sync :(
+ org.dreeam.leaf.async.path.NodeEvaluatorCache.removeNodeEvaluator(nodeEvaluator);
+ return this.findPath(node, map, followRange, distance, rangeMultiplier); // Gale - Purpur - remove vanilla profiler
+ }
+
+ return new org.dreeam.leaf.async.path.AsyncPath(Lists.newArrayList(), positions, () -> {
+ try {
+ return this.processPath(nodeEvaluator, node, map, followRange, distance, rangeMultiplier);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ } finally {
+ nodeEvaluator.done();
+ org.dreeam.leaf.async.path.NodeEvaluatorCache.returnNodeEvaluator(nodeEvaluator);
+ }
+ });
+ // Kaiiju end
}
}
@Nullable
// Paper start - Perf: remove streams and optimize collection
private Path findPath(Node startNode, List<Map.Entry<Target, BlockPos>> positions, float followRange, int distance, float rangeMultiplier) { // Gale - Purpur - remove vanilla profiler
+ // Kaiiju start - petal - split pathfinding into the original sync method for compat and processing for delaying
+ try {
+ return this.processPath(this.nodeEvaluator, startNode, positions, followRange, distance, rangeMultiplier);
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ } finally {
+ this.nodeEvaluator.done();
+ }
+ }
+
+ private synchronized @org.jetbrains.annotations.NotNull Path processPath(NodeEvaluator nodeEvaluator, Node startNode, List<Map.Entry<Target, BlockPos>> positions, float followRange, int distance, float rangeMultiplier) { // sync to only use the caching functions in this class on a single thread
+ org.apache.commons.lang3.Validate.isTrue(!positions.isEmpty()); // ensure that we have at least one position, which means we'll always return a path
+ // Kaiiju end
// Set<Target> set = positions.keySet();
startNode.g = 0.0F;
startNode.h = this.getBestH(startNode, positions); // Paper - optimize collection
@@ -87,7 +132,7 @@ public class PathFinder {
}
if (!(node.distanceTo(startNode) >= followRange)) {
- int k = this.nodeEvaluator.getNeighbors(this.neighbors, node);
+ int k = nodeEvaluator.getNeighbors(this.neighbors, node); // Kaiiju - petal - use provided nodeEvaluator
for (int l = 0; l < k; l++) {
Node node2 = this.neighbors[l];
@@ -119,6 +164,7 @@ public class PathFinder {
if (best == null || comparator.compare(path, best) < 0)
best = path;
}
+ //noinspection ConstantConditions // Kaiiju - petal - ignore this warning, we know that the above loop always runs at least once since positions is not empty
return best;
// Paper end - Perf: remove streams and optimize collection
}
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/SwimNodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/SwimNodeEvaluator.java
index 6308822f819d7cb84c8070c8a7eec1a3f822114b..e49851557f991ca1fc2f78abfb819609e672a526 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/SwimNodeEvaluator.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/SwimNodeEvaluator.java
@@ -15,7 +15,7 @@ import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.FluidState;
public class SwimNodeEvaluator extends NodeEvaluator {
- private final boolean allowBreaching;
+ public final boolean allowBreaching; // Kaiiju - make this public
private final Long2ObjectMap<PathType> pathTypesByPosCache = new Long2ObjectOpenHashMap<>();
public SwimNodeEvaluator(boolean canJumpOutOfWater) {
diff --git a/src/main/java/org/dreeam/leaf/async/path/AsyncPath.java b/src/main/java/org/dreeam/leaf/async/path/AsyncPath.java
new file mode 100644
index 0000000000000000000000000000000000000000..2f5aff1f0e2aca0a8bfeab27c4ab027ffc21055d
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/AsyncPath.java
@@ -0,0 +1,287 @@
+package org.dreeam.leaf.async.path;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.pathfinder.Node;
+import net.minecraft.world.level.pathfinder.Path;
+import net.minecraft.world.phys.Vec3;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.function.Supplier;
+
+/**
+ * i'll be using this to represent a path that not be processed yet!
+ */
+public class AsyncPath extends Path {
+
+ /**
+ * marks whether this async path has been processed
+ */
+ private volatile boolean processed = false;
+
+ /**
+ * runnables waiting for this to be processed
+ */
+ private final List<Runnable> postProcessing = new ArrayList<>(0);
+
+ /**
+ * a list of positions that this path could path towards
+ */
+ private final Set<BlockPos> positions;
+
+ /**
+ * the supplier of the real processed path
+ */
+ private final Supplier<Path> pathSupplier;
+
+ /*
+ * Processed values
+ */
+
+ /**
+ * this is a reference to the nodes list in the parent `Path` object
+ */
+ private final List<Node> nodes;
+ /**
+ * the block we're trying to path to
+ * <p>
+ * while processing, we have no idea where this is so consumers of `Path` should check that the path is processed before checking the target block
+ */
+ private @Nullable BlockPos target;
+ /**
+ * how far we are to the target
+ * <p>
+ * while processing, the target could be anywhere but theoretically we're always "close" to a theoretical target so default is 0
+ */
+ private float distToTarget = 0;
+ /**
+ * whether we can reach the target
+ * <p>
+ * while processing, we can always theoretically reach the target so default is true
+ */
+ private boolean canReach = true;
+
+ public AsyncPath(@NotNull List<Node> emptyNodeList, @NotNull Set<BlockPos> positions, @NotNull Supplier<Path> pathSupplier) {
+ //noinspection ConstantConditions
+ super(emptyNodeList, null, false);
+
+ this.nodes = emptyNodeList;
+ this.positions = positions;
+ this.pathSupplier = pathSupplier;
+
+ AsyncPathProcessor.queue(this);
+ }
+
+ @Override
+ public boolean isProcessed() {
+ return this.processed;
+ }
+
+ /**
+ * returns the future representing the processing state of this path
+ */
+ public synchronized void postProcessing(@NotNull Runnable runnable) {
+ if (this.processed) {
+ runnable.run();
+ } else {
+ this.postProcessing.add(runnable);
+ }
+ }
+
+ /**
+ * an easy way to check if this processing path is the same as an attempted new path
+ *
+ * @param positions - the positions to compare against
+ * @return true if we are processing the same positions
+ */
+ public boolean hasSameProcessingPositions(final Set<BlockPos> positions) {
+ if (this.positions.size() != positions.size()) {
+ return false;
+ }
+
+ return this.positions.containsAll(positions);
+ }
+
+ /**
+ * starts processing this path
+ */
+ public synchronized void process() {
+ if (this.processed) {
+ return;
+ }
+
+ final Path bestPath = this.pathSupplier.get();
+
+ this.nodes.addAll(bestPath.nodes); // we mutate this list to reuse the logic in Path
+ this.target = bestPath.getTarget();
+ this.distToTarget = bestPath.getDistToTarget();
+ this.canReach = bestPath.canReach();
+
+ this.processed = true;
+
+ for (Runnable runnable : this.postProcessing) {
+ runnable.run();
+ }
+ }
+
+ /**
+ * if this path is accessed while it hasn't processed, just process it in-place
+ */
+ private void checkProcessed() {
+ if (!this.processed) {
+ this.process();
+ }
+ }
+
+ /*
+ * overrides we need for final fields that we cannot modify after processing
+ */
+
+ @Override
+ public @NotNull BlockPos getTarget() {
+ this.checkProcessed();
+
+ return this.target;
+ }
+
+ @Override
+ public float getDistToTarget() {
+ this.checkProcessed();
+
+ return this.distToTarget;
+ }
+
+ @Override
+ public boolean canReach() {
+ this.checkProcessed();
+
+ return this.canReach;
+ }
+
+ /*
+ * overrides to ensure we're processed first
+ */
+
+ @Override
+ public boolean isDone() {
+ return this.isProcessed() && super.isDone();
+ }
+
+ @Override
+ public void advance() {
+ this.checkProcessed();
+
+ super.advance();
+ }
+
+ @Override
+ public boolean notStarted() {
+ this.checkProcessed();
+
+ return super.notStarted();
+ }
+
+ @Nullable
+ @Override
+ public Node getEndNode() {
+ this.checkProcessed();
+
+ return super.getEndNode();
+ }
+
+ @Override
+ public Node getNode(int index) {
+ this.checkProcessed();
+
+ return super.getNode(index);
+ }
+
+ @Override
+ public void truncateNodes(int length) {
+ this.checkProcessed();
+
+ super.truncateNodes(length);
+ }
+
+ @Override
+ public void replaceNode(int index, Node node) {
+ this.checkProcessed();
+
+ super.replaceNode(index, node);
+ }
+
+ @Override
+ public int getNodeCount() {
+ this.checkProcessed();
+
+ return super.getNodeCount();
+ }
+
+ @Override
+ public int getNextNodeIndex() {
+ this.checkProcessed();
+
+ return super.getNextNodeIndex();
+ }
+
+ @Override
+ public void setNextNodeIndex(int nodeIndex) {
+ this.checkProcessed();
+
+ super.setNextNodeIndex(nodeIndex);
+ }
+
+ @Override
+ public Vec3 getEntityPosAtNode(Entity entity, int index) {
+ this.checkProcessed();
+
+ return super.getEntityPosAtNode(entity, index);
+ }
+
+ @Override
+ public BlockPos getNodePos(int index) {
+ this.checkProcessed();
+
+ return super.getNodePos(index);
+ }
+
+ @Override
+ public Vec3 getNextEntityPos(Entity entity) {
+ this.checkProcessed();
+
+ return super.getNextEntityPos(entity);
+ }
+
+ @Override
+ public BlockPos getNextNodePos() {
+ this.checkProcessed();
+
+ return super.getNextNodePos();
+ }
+
+ @Override
+ public Node getNextNode() {
+ this.checkProcessed();
+
+ return super.getNextNode();
+ }
+
+ @Nullable
+ @Override
+ public Node getPreviousNode() {
+ this.checkProcessed();
+
+ return super.getPreviousNode();
+ }
+
+ @Override
+ public boolean hasNext() {
+ this.checkProcessed();
+
+ return super.hasNext();
+ }
+}
diff --git a/src/main/java/org/dreeam/leaf/async/path/AsyncPathProcessor.java b/src/main/java/org/dreeam/leaf/async/path/AsyncPathProcessor.java
new file mode 100644
index 0000000000000000000000000000000000000000..ccee3723679d3740d34bd13c04018bafafa5da62
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/AsyncPathProcessor.java
@@ -0,0 +1,52 @@
+package org.dreeam.leaf.async.path;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+
+import net.minecraft.world.level.pathfinder.Path;
+import net.minecraft.world.entity.Entity;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.concurrent.*;
+import java.util.function.Consumer;
+
+/**
+ * used to handle the scheduling of async path processing
+ */
+public class AsyncPathProcessor {
+
+ private static final Executor pathProcessingExecutor = new ThreadPoolExecutor(
+ 1,
+ org.dreeam.leaf.config.modules.async.AsyncPathfinding.asyncPathfindingMaxThreads,
+ org.dreeam.leaf.config.modules.async.AsyncPathfinding.asyncPathfindingKeepalive, TimeUnit.SECONDS,
+ new LinkedBlockingQueue<>(),
+ new ThreadFactoryBuilder()
+ .setNameFormat("petal-async-pathfinding-thread-%d")
+ .setPriority(Thread.NORM_PRIORITY - 2)
+ .build()
+ );
+
+ protected static CompletableFuture<Void> queue(@NotNull AsyncPath path) {
+ return CompletableFuture.runAsync(path::process, pathProcessingExecutor);
+ }
+
+ /**
+ * takes a possibly unprocessed path, and waits until it is completed
+ * the consumer will be immediately invoked if the path is already processed
+ * the consumer will always be called on the main thread
+ *
+ * @param entity affected entity
+ * @param path a path to wait on
+ * @param afterProcessing a consumer to be called
+ */
+ public static void awaitProcessing(Entity entity, @Nullable Path path, Consumer<@Nullable Path> afterProcessing) {
+ if (path != null && !path.isProcessed() && path instanceof AsyncPath asyncPath) {
+ asyncPath.postProcessing(() ->
+ entity.getBukkitEntity().taskScheduler.schedule(nmsEntity -> afterProcessing.accept(path), null, 1)
+ );
+ } else {
+ afterProcessing.accept(path);
+ }
+ }
+}
diff --git a/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorCache.java b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorCache.java
new file mode 100644
index 0000000000000000000000000000000000000000..7a28c0ef27efbab28274c007068b5c82073a1987
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorCache.java
@@ -0,0 +1,45 @@
+package org.dreeam.leaf.async.path;
+
+import net.minecraft.world.level.pathfinder.NodeEvaluator;
+
+import org.apache.commons.lang.Validate;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Map;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class NodeEvaluatorCache {
+ private static final Map<NodeEvaluatorFeatures, ConcurrentLinkedQueue<NodeEvaluator>> threadLocalNodeEvaluators = new ConcurrentHashMap<>();
+ private static final Map<NodeEvaluator, NodeEvaluatorGenerator> nodeEvaluatorToGenerator = new ConcurrentHashMap<>();
+
+ private static @NotNull Queue<NodeEvaluator> getQueueForFeatures(@NotNull NodeEvaluatorFeatures nodeEvaluatorFeatures) {
+ return threadLocalNodeEvaluators.computeIfAbsent(nodeEvaluatorFeatures, key -> new ConcurrentLinkedQueue<>());
+ }
+
+ public static @NotNull NodeEvaluator takeNodeEvaluator(@NotNull NodeEvaluatorGenerator generator, @NotNull NodeEvaluator localNodeEvaluator) {
+ final NodeEvaluatorFeatures nodeEvaluatorFeatures = NodeEvaluatorFeatures.fromNodeEvaluator(localNodeEvaluator);
+ NodeEvaluator nodeEvaluator = getQueueForFeatures(nodeEvaluatorFeatures).poll();
+
+ if (nodeEvaluator == null) {
+ nodeEvaluator = generator.generate(nodeEvaluatorFeatures);
+ }
+
+ nodeEvaluatorToGenerator.put(nodeEvaluator, generator);
+
+ return nodeEvaluator;
+ }
+
+ public static void returnNodeEvaluator(@NotNull NodeEvaluator nodeEvaluator) {
+ final NodeEvaluatorGenerator generator = nodeEvaluatorToGenerator.remove(nodeEvaluator);
+ Validate.notNull(generator, "NodeEvaluator already returned");
+
+ final NodeEvaluatorFeatures nodeEvaluatorFeatures = NodeEvaluatorFeatures.fromNodeEvaluator(nodeEvaluator);
+ getQueueForFeatures(nodeEvaluatorFeatures).offer(nodeEvaluator);
+ }
+
+ public static void removeNodeEvaluator(@NotNull NodeEvaluator nodeEvaluator) {
+ nodeEvaluatorToGenerator.remove(nodeEvaluator);
+ }
+}
diff --git a/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorFeatures.java b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorFeatures.java
new file mode 100644
index 0000000000000000000000000000000000000000..2c4876bc001463eea818e429e652f164eca0187c
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorFeatures.java
@@ -0,0 +1,23 @@
+package org.dreeam.leaf.async.path;
+
+import net.minecraft.world.level.pathfinder.NodeEvaluator;
+import net.minecraft.world.level.pathfinder.SwimNodeEvaluator;
+
+public record NodeEvaluatorFeatures(
+ NodeEvaluatorType type,
+ boolean canPassDoors,
+ boolean canFloat,
+ boolean canWalkOverFences,
+ boolean canOpenDoors,
+ boolean allowBreaching
+) {
+ public static NodeEvaluatorFeatures fromNodeEvaluator(NodeEvaluator nodeEvaluator) {
+ NodeEvaluatorType type = NodeEvaluatorType.fromNodeEvaluator(nodeEvaluator);
+ boolean canPassDoors = nodeEvaluator.canPassDoors();
+ boolean canFloat = nodeEvaluator.canFloat();
+ boolean canWalkOverFences = nodeEvaluator.canWalkOverFences();
+ boolean canOpenDoors = nodeEvaluator.canOpenDoors();
+ boolean allowBreaching = nodeEvaluator instanceof SwimNodeEvaluator swimNodeEvaluator && swimNodeEvaluator.allowBreaching;
+ return new NodeEvaluatorFeatures(type, canPassDoors, canFloat, canWalkOverFences, canOpenDoors, allowBreaching);
+ }
+}
diff --git a/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorGenerator.java b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorGenerator.java
new file mode 100644
index 0000000000000000000000000000000000000000..062ddc246ed5f8f8f0599a8e86c9b85c4420daf7
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorGenerator.java
@@ -0,0 +1,11 @@
+package org.dreeam.leaf.async.path;
+
+import net.minecraft.world.level.pathfinder.NodeEvaluator;
+import org.jetbrains.annotations.NotNull;
+
+public interface NodeEvaluatorGenerator {
+
+ @NotNull
+ NodeEvaluator generate(NodeEvaluatorFeatures nodeEvaluatorFeatures);
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorType.java b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorType.java
new file mode 100644
index 0000000000000000000000000000000000000000..c0527323c42acf7e4728237e268f075e85d71a15
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/async/path/NodeEvaluatorType.java
@@ -0,0 +1,17 @@
+package org.dreeam.leaf.async.path;
+
+import net.minecraft.world.level.pathfinder.*;
+
+public enum NodeEvaluatorType {
+ WALK,
+ SWIM,
+ AMPHIBIOUS,
+ FLY;
+
+ public static NodeEvaluatorType fromNodeEvaluator(NodeEvaluator nodeEvaluator) {
+ if (nodeEvaluator instanceof SwimNodeEvaluator) return SWIM;
+ if (nodeEvaluator instanceof FlyNodeEvaluator) return FLY;
+ if (nodeEvaluator instanceof AmphibiousNodeEvaluator) return AMPHIBIOUS;
+ return WALK;
+ }
+}
diff --git a/src/main/java/org/dreeam/leaf/config/modules/async/AsyncPathfinding.java b/src/main/java/org/dreeam/leaf/config/modules/async/AsyncPathfinding.java
new file mode 100644
index 0000000000000000000000000000000000000000..66f28420272997d685b95c57eeee4fb70829adbb
--- /dev/null
+++ b/src/main/java/org/dreeam/leaf/config/modules/async/AsyncPathfinding.java
@@ -0,0 +1,39 @@
+package org.dreeam.leaf.config.modules.async;
+
+import com.electronwill.nightconfig.core.file.CommentedFileConfig;
+import net.minecraft.server.MinecraftServer;
+import org.dreeam.leaf.config.ConfigInfo;
+import org.dreeam.leaf.config.EnumConfigCategory;
+import org.dreeam.leaf.config.IConfigModule;
+
+public class AsyncPathfinding implements IConfigModule {
+
+ @Override
+ public EnumConfigCategory getCategory() {
+ return EnumConfigCategory.ASYNC;
+ }
+
+ @Override
+ public String getBaseName() {
+ return "async_pathfinding";
+ }
+
+ @ConfigInfo(baseName = "enabled")
+ public static boolean enabled = false;
+ @ConfigInfo(baseName = "max-threads")
+ public static int asyncPathfindingMaxThreads = 0;
+ @ConfigInfo(baseName = "keepalive")
+ public static int asyncPathfindingKeepalive = 60;
+
+ @Override
+ public void onLoaded(CommentedFileConfig config) {
+ if (asyncPathfindingMaxThreads < 0)
+ asyncPathfindingMaxThreads = Math.max(Runtime.getRuntime().availableProcessors() + asyncPathfindingMaxThreads, 1);
+ else if (asyncPathfindingMaxThreads == 0)
+ asyncPathfindingMaxThreads = Math.max(Runtime.getRuntime().availableProcessors() / 4, 1);
+ if (!enabled)
+ asyncPathfindingMaxThreads = 0;
+ else
+ MinecraftServer.LOGGER.info("Using {} threads for Async Pathfinding", asyncPathfindingMaxThreads);
+ }
+}
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