From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com> Date: Sun, 14 Jan 2024 00:46:20 +0300 Subject: [PATCH] Async Pathfinding Original code by Bloom-host, licensed under GPL v3 You can find the original code on https://github.com/Bloom-host/Petal Makes most pathfinding-related work happen asynchronously 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 6499e3fe49e453db11e51eaf717ca8b3b682056b..89c89199851e01e6bb9b43612494c18adccc6f54 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 @@ -76,23 +76,56 @@ 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, BlockPos>> set = new java.util.HashSet<>(poiposes); // Paper end - optimise POI access - Path path = findPathToPois(entity, set); - if (path != null && path.canReach()) { - 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); + // DivineMC start - Async Pathfinding + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + // await on path async + Path possiblePath = findPathToPois(entity, set); + + // wait on the path to be processed + space.bxteam.divinemc.pathfinding.AsyncPathProcessor.awaitProcessing(entity, possiblePath, path -> { + // read canReach check + if (path == null || !path.canReach()) { + for (Pair, 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 { - for (Pair, BlockPos> pair : set) { - long2ObjectMap.computeIfAbsent( - pair.getSecond().asLong(), m -> new AcquirePoi.JitteredLinearRetry(world.random, time) - ); + // DivineMC end + Path path = findPathToPois(entity, set); + if (path != null && path.canReach()) { + 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 { + for (Pair, BlockPos> pair : set) { + long2ObjectMap.computeIfAbsent( + pair.getSecond().asLong(), m -> new AcquirePoi.JitteredLinearRetry(world.random, time) + ); + } } - } + } // DivineMC - Async Pathfinding 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..b7fa1c3c564d3c45ac559fd4ec73c3f9f6911576 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 { private int remainingCooldown; @Nullable private Path path; + private boolean finishedProcessing; // DivineMC @Nullable private BlockPos lastTargetPos; private float speedModifier; @@ -53,9 +54,11 @@ public class MoveToTargetSink extends Behavior { 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 (!space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding && !bl && this.tryComputePath(entity, walkTarget, world.getGameTime())) { // DivineMC - async pathfinding this.lastTargetPos = walkTarget.getTarget().currentBlockPosition(); return true; + } else if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding && !bl) { // DivineMC - async pathfinding + return true; } else { brain.eraseMemory(MemoryModuleType.WALK_TARGET); if (bl) { @@ -69,6 +72,7 @@ public class MoveToTargetSink extends Behavior { @Override protected boolean canStillUse(ServerLevel world, Mob entity, long time) { + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding && !this.finishedProcessing) return true; // DivineMC - petal - wait for processing if (this.path != null && this.lastTargetPos != null) { Optional optional = entity.getBrain().getMemory(MemoryModuleType.WALK_TARGET); boolean bl = optional.map(MoveToTargetSink::isWalkTargetSpectator).orElse(false); @@ -95,28 +99,98 @@ public class MoveToTargetSink extends Behavior { @Override protected void start(ServerLevel serverLevel, Mob mob, long l) { + // DivineMC start - start processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + 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; + } + // DivineMC 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) { - Path path = mob.getNavigation().getPath(); - Brain brain = mob.getBrain(); - if (this.path != path) { - this.path = path; - brain.setMemory(MemoryModuleType.PATH, path); - } + // DivineMC start - Async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + if (this.path != null && !this.path.isProcessed()) return; // wait for processing - if (path != null && this.lastTargetPos != null) { - WalkTarget walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET).get(); - if (walkTarget.getTarget().currentBlockPosition().distSqr(this.lastTargetPos) > 4.0 - && this.tryComputePath(mob, walkTarget, serverLevel.getGameTime())) { - this.lastTargetPos = walkTarget.getTarget().currentBlockPosition(); - this.start(serverLevel, mob, l); + 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 = 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 { + // DivineMC end + Path path = mob.getNavigation().getPath(); + Brain brain = mob.getBrain(); + if (this.path != path) { + this.path = path; + brain.setMemory(MemoryModuleType.PATH, path); + } + + if (path != null && this.lastTargetPos != null) { + WalkTarget walkTarget = brain.getMemory(MemoryModuleType.WALK_TARGET).get(); + if (walkTarget.getTarget().currentBlockPosition().distSqr(this.lastTargetPos) > 4.0 + && this.tryComputePath(mob, walkTarget, serverLevel.getGameTime())) { + this.lastTargetPos = walkTarget.getTarget().currentBlockPosition(); + this.start(serverLevel, mob, l); + } + } + } + } + + // DivineMC start - Async path processing + @Nullable + private Path computePath(Mob entity, WalkTarget walkTarget){ + BlockPos blockPos = walkTarget.getTarget().currentBlockPosition(); + 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); } + // DivineMC 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..0b68b4248e85280199f99da80487520dd0d8b7a0 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 @@ -60,16 +60,37 @@ public class SetClosestHomeAsWalkTarget { poiType -> poiType.is(PoiTypes.HOME), predicate, entity.blockPosition(), 48, PoiManager.Occupancy.ANY ) .collect(Collectors.toSet()); - Path path = AcquirePoi.findPathToPois(entity, set); - if (path != null && path.canReach()) { - BlockPos blockPos = path.getTarget(); - Optional> optional2 = poiManager.getType(blockPos); - if (optional2.isPresent()) { - walkTarget.set(new WalkTarget(blockPos, speed, 1)); - DebugPackets.sendPoiTicketCountPacket(world, blockPos); + // DivineMC start - Async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + // await on path async + Path possiblePath = AcquirePoi.findPathToPois(entity, set); + + // wait on the path to be processed + space.bxteam.divinemc.pathfinding.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> optional2 = poiManager.getType(blockPos); + if (optional2.isPresent()) { + walkTarget.set(new WalkTarget(blockPos, speed, 1)); + DebugPackets.sendPoiTicketCountPacket(world, blockPos); + } + }); + } else { + // DivineMC end + Path path = AcquirePoi.findPathToPois(entity, set); + if (path != null && path.canReach()) { + BlockPos blockPos = path.getTarget(); + Optional> optional2 = poiManager.getType(blockPos); + if (optional2.isPresent()) { + walkTarget.set(new WalkTarget(blockPos, speed, 1)); + DebugPackets.sendPoiTicketCountPacket(world, blockPos); + } + } else if (mutableInt.getValue() < 5) { + long2LongMap.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < mutableLong.getValue()); } - } else if (mutableInt.getValue() < 5) { - long2LongMap.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < mutableLong.getValue()); } return true; 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..638104ed241bd47bff7cbdd65f63870e80d9b091 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()) { // DivineMC - 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..418961feef15779bbf4a7da42d8d3bd2f0564da5 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); } + // DivineMC start - async path processing + private static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.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; + }; + // DivineMC end + @Override protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new AmphibiousNodeEvaluator(false); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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..05e5b7e2785e09492656261f37e7aadf2669a7de 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); } + // DivineMC start - async path processing + private static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> { + FlyNodeEvaluator nodeEvaluator = new FlyNodeEvaluator(); + nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors()); + nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat()); + nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences()); + nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors()); + return nodeEvaluator; + }; + // DivineMC end + @Override protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new FlyNodeEvaluator(); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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; // DivineMC - 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..dc5f3402eb0b5404af40c248f550e603b9ef9ac2 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); } + // DivineMC start - async path processing + protected static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> { + WalkNodeEvaluator nodeEvaluator = new WalkNodeEvaluator(); + nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors()); + nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat()); + nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences()); + nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors()); + return nodeEvaluator; + }; + // DivineMC end + @Override protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new WalkNodeEvaluator(); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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 544920a31b649985333f82beafa94a3392f5853e..98b97269886b0ff3bbb32444d3e825c39b2ff175 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; + // DivineMC start - catch early if it's still processing these positions let it keep processing + } else if (this.path instanceof space.bxteam.divinemc.pathfinding.AsyncPath asyncPath && !asyncPath.isProcessed() && asyncPath.hasSameProcessingPositions(positions)) { + return this.path; + // DivineMC end } else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) { return this.path; } else { @@ -177,11 +181,28 @@ 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); - //this.level.getProfiler().pop(); // Purpur - if (path != null && path.getTarget() != null) { - this.targetPos = path.getTarget(); - this.reachRange = distance; - this.resetStuckTimeout(); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + // assign early a target position. most calls will only have 1 position + if (!positions.isEmpty()) this.targetPos = positions.iterator().next(); + + space.bxteam.divinemc.pathfinding.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 { + // DivineMC end + if (path != null && path.getTarget() != null) { + this.targetPos = path.getTarget(); + this.reachRange = distance; + this.resetStuckTimeout(); + } } return path; @@ -233,8 +254,8 @@ public abstract class PathNavigation { if (this.isDone()) { return false; } else { - this.trimPath(); - if (this.path.getNodeCount() <= 0) { + if (path.isProcessed()) this.trimPath(); // DivineMC - petal - only trim if processed + if (path.isProcessed() && this.path.getNodeCount() <= 0) { // DivineMC - petal - only check node count if processed return false; } else { this.speedModifier = speed; @@ -257,6 +278,7 @@ public abstract class PathNavigation { if (this.hasDelayedRecomputation) { this.recomputePath(); } + if (this.path != null && !this.path.isProcessed()) return; // DivineMC - petal - skip pathfinding if we're still processing if (!this.isDone()) { if (this.canUpdatePath()) { @@ -283,6 +305,7 @@ public abstract class PathNavigation { } protected void followThePath() { + if (!this.path.isProcessed()) return; // DivineMC - 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(); @@ -439,7 +462,7 @@ 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) { // DivineMC - 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..c37ec1c55b5104456788b270c1ceee7cc67e5bed 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); } + // DivineMC start - async path processing + private static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.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; + }; + // DivineMC end + @Override protected PathFinder createPathFinder(int range) { this.allowBreaching = this.mob.getType() == EntityType.DOLPHIN; this.nodeEvaluator = new SwimNodeEvaluator(this.allowBreaching); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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..b3443445b79393e331b7dd30cfb8453f5fcab539 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 @@ -57,16 +57,36 @@ public class NearestBedSensor extends Sensor { java.util.List, 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 - Path path = AcquirePoi.findPathToPois(entity, new java.util.HashSet<>(poiposes)); - // Paper end - optimise POI access - if (path != null && path.canReach()) { - BlockPos blockPos = path.getTarget(); - Optional> optional = poiManager.getType(blockPos); - if (optional.isPresent()) { - entity.getBrain().setMemory(MemoryModuleType.NEAREST_BED, blockPos); + // DivineMC start - await on async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + Path possiblePath = AcquirePoi.findPathToPois(entity, new java.util.HashSet<>(poiposes)); + space.bxteam.divinemc.pathfinding.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> optional = poiManager.getType(blockPos); + if (optional.isPresent()) { + entity.getBrain().setMemory(MemoryModuleType.NEAREST_BED, blockPos); + } + }); + } else { + // DivineMC end + Path path = AcquirePoi.findPathToPois(entity, new java.util.HashSet<>(poiposes)); + // Paper end - optimise POI access + if (path != null && path.canReach()) { + BlockPos blockPos = path.getTarget(); + Optional> optional = poiManager.getType(blockPos); + if (optional.isPresent()) { + entity.getBrain().setMemory(MemoryModuleType.NEAREST_BED, blockPos); + } + } else if (this.triedCount < 5) { + this.batchCache.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < this.lastUpdate); } - } else if (this.triedCount < 5) { - this.batchCache.long2LongEntrySet().removeIf(entry -> entry.getLongValue() < this.lastUpdate); } } } 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 b5609aae461d7b9353287d99a6ebe517e2b3b82e..0ad09a5bfc42b67d74582fb42587405062705cd3 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()) { // DivineMC - 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(); // DivineMC - 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 84c6a786658b16fe0535b4d99135ba58cec8d3a9..01d64dad1769d5585e9c51d93cd8ec6a4cac457c 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 @@ -485,6 +485,17 @@ public class Frog extends Animal implements VariantHolder> { super(frog, world); } + // DivineMC start - async path processing + private static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.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; + }; + // DivineMC end + @Override public boolean canCutCorner(PathType nodeType) { return nodeType != PathType.WATER_BORDER && super.canCutCorner(nodeType); @@ -494,6 +505,11 @@ public class Frog extends Animal implements VariantHolder> { protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new Frog.FrogNodeEvaluator(true); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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..525b7c750604068aca1183dc19428a39674da9b4 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()) { // DivineMC - 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..e8cf5618233267ac6ec0a069fabe4aef4bd9007a 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); } + // DivineMC start - async path processing + private static final space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator = (space.bxteam.divinemc.pathfinding.NodeEvaluatorFeatures nodeEvaluatorFeatures) -> { + WalkNodeEvaluator nodeEvaluator = new WalkNodeEvaluator(); + nodeEvaluator.setCanPassDoors(nodeEvaluatorFeatures.canPassDoors()); + nodeEvaluator.setCanFloat(nodeEvaluatorFeatures.canFloat()); + nodeEvaluator.setCanWalkOverFences(nodeEvaluatorFeatures.canWalkOverFences()); + nodeEvaluator.setCanOpenDoors(nodeEvaluatorFeatures.canOpenDoors()); + return nodeEvaluator; + }; + // DivineMC end + @Override protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new WalkNodeEvaluator(); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, nodeEvaluatorGenerator); + } + // DivineMC 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 68b533cdaa53af2d76e9b8ab050dc335bc733794..a24745ac4843ccabebffba36d583248d71f994f0 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 @@ -635,6 +635,16 @@ public class Warden extends Monster implements VibrationSystem { protected PathFinder createPathFinder(int range) { this.nodeEvaluator = new WalkNodeEvaluator(); this.nodeEvaluator.setCanPassDoors(true); + // DivineMC start - async path processing + if (space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) { + return new PathFinder(this.nodeEvaluator, range, GroundPathNavigation.nodeEvaluatorGenerator) { + @Override + protected float distance(Node a, Node b) { + return a.distanceToXZ(b); + } + }; + } + // DivineMC 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/pathfinder/Path.java b/src/main/java/net/minecraft/world/level/pathfinder/Path.java index d9d0fff9962131808d54cca20f209df50b8e4af1..a0b24f4c245f4b0ffa6dadd5ea8e03a231b64092 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; } + // DivineMC start - 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; + } + // DivineMC end + public void advance() { this.nextNodeIndex++; } @@ -100,6 +111,7 @@ public class Path { } public boolean sameAs(@Nullable Path o) { + if (o == this) return true; // DivineMC - 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 404080976208c30e9e95e5bee47c2a749e709a45..fb4ea7b86ead263e21eca6cce93d5ee939e4e57b 100644 --- a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java +++ b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java @@ -1,19 +1,13 @@ package net.minecraft.world.level.pathfinder; -import com.google.common.collect.ImmutableSet; import com.google.common.collect.Lists; -import com.google.common.collect.Sets; + import java.util.Comparator; import java.util.List; import java.util.Map; -import java.util.Optional; import java.util.Set; -import java.util.function.Function; -import java.util.stream.Collectors; import javax.annotation.Nullable; import net.minecraft.core.BlockPos; -import net.minecraft.util.profiling.ProfilerFiller; -import net.minecraft.util.profiling.metrics.MetricCategory; import net.minecraft.world.entity.Mob; import net.minecraft.world.level.PathNavigationRegion; @@ -24,37 +18,80 @@ public class PathFinder { public final NodeEvaluator nodeEvaluator; private static final boolean DEBUG = false; private final BinaryHeap openSet = new BinaryHeap(); + private final @Nullable space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator; // DivineMC - petal - we use this later to generate an evaluator - public PathFinder(NodeEvaluator pathNodeMaker, int range) { + public PathFinder(NodeEvaluator pathNodeMaker, int range, @Nullable space.bxteam.divinemc.pathfinding.NodeEvaluatorGenerator nodeEvaluatorGenerator) { // DivineMC - petal - add nodeEvaluatorGenerator this.nodeEvaluator = pathNodeMaker; this.maxVisitedNodes = range; + // DivineMC start - petal - support nodeEvaluatorgenerators + this.nodeEvaluatorGenerator = nodeEvaluatorGenerator; + } + + public PathFinder(NodeEvaluator pathNodeMaker, int range) { + this(pathNodeMaker, range, null); + // DivineMC end } @Nullable public Path findPath(PathNavigationRegion world, Mob mob, Set positions, float followRange, int distance, float rangeMultiplier) { - this.openSet.clear(); - this.nodeEvaluator.prepare(world, mob); - Node node = this.nodeEvaluator.getStart(); + if (!space.bxteam.divinemc.configuration.DivineConfig.asyncPathfinding) + this.openSet.clear(); // DivineMC - petal - it's always cleared in processPath + // DivineMC start - petal - use a generated evaluator if we have one otherwise run sync + NodeEvaluator nodeEvaluator = this.nodeEvaluatorGenerator == null + ? this.nodeEvaluator + : space.bxteam.divinemc.pathfinding.NodeEvaluatorCache.takeNodeEvaluator(this.nodeEvaluatorGenerator, this.nodeEvaluator); + nodeEvaluator.prepare(world, mob); + Node node = nodeEvaluator.getStart(); + // DivineMC end if (node == null) { + space.bxteam.divinemc.pathfinding.NodeEvaluatorCache.removeNodeEvaluator(nodeEvaluator); // DivineMC - petal - handle nodeEvaluatorGenerator return null; } else { // Paper start - Perf: remove streams and optimize collection List> 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)); // DivineMC - petal - handle nodeEvaluatorGenerator } // Paper end - Perf: remove streams and optimize collection - Path path = this.findPath(world.getProfiler(), node, map, followRange, distance, rangeMultiplier); - this.nodeEvaluator.done(); - return path; + // DivineMC start - petal - async path processing + if (this.nodeEvaluatorGenerator == null) { + // run sync :( + space.bxteam.divinemc.pathfinding.NodeEvaluatorCache.removeNodeEvaluator(nodeEvaluator); + return this.findPath(node, map, followRange, distance, rangeMultiplier); + } + + return new space.bxteam.divinemc.pathfinding.AsyncPath(Lists.newArrayList(), positions, () -> { + try { + return this.processPath(nodeEvaluator, node, map, followRange, distance, rangeMultiplier); + } catch (Exception e) { + e.printStackTrace(); + return null; + } finally { + nodeEvaluator.done(); + space.bxteam.divinemc.pathfinding.NodeEvaluatorCache.returnNodeEvaluator(nodeEvaluator); + } + }); + // DivineMC end } } @Nullable // Paper start - Perf: remove streams and optimize collection - private Path findPath(ProfilerFiller profiler, Node startNode, List> positions, float followRange, int distance, float rangeMultiplier) { - //profiler.push("find_path"); // Purpur - //profiler.markForCharting(MetricCategory.PATH_FINDING); // Purpur + private Path findPath(Node startNode, List> positions, float followRange, int distance, float rangeMultiplier) { + // DivineMC 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> 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 + // DivineMC end // Set set = positions.keySet(); startNode.g = 0.0F; startNode.h = this.getBestH(startNode, positions); // Paper - optimize collection @@ -90,7 +127,7 @@ public class PathFinder { } if (!(node.distanceTo(startNode) >= followRange)) { - int k = this.nodeEvaluator.getNeighbors(this.neighbors, node); + int k = nodeEvaluator.getNeighbors(this.neighbors, node); // DivineMC - petal - use provided nodeEvaluator for (int l = 0; l < k; l++) { Node node2 = this.neighbors[l]; @@ -123,6 +160,7 @@ public class PathFinder { best = path; } //profiler.pop(); // Purpur + //noinspection ConstantConditions // DivineMC - 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..3db838279e4407c28671bb1563fc96f981a6c59c 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; // DivineMC - make this public private final Long2ObjectMap pathTypesByPosCache = new Long2ObjectOpenHashMap<>(); public SwimNodeEvaluator(boolean canJumpOutOfWater) { diff --git a/src/main/java/space/bxteam/divinemc/configuration/DivineConfig.java b/src/main/java/space/bxteam/divinemc/configuration/DivineConfig.java index e20d608bf9e86a263ca7c80203fae4a3ce7cc71a..1934e6c1282c33f4f8e183a97fc67f2016593eb3 100644 --- a/src/main/java/space/bxteam/divinemc/configuration/DivineConfig.java +++ b/src/main/java/space/bxteam/divinemc/configuration/DivineConfig.java @@ -177,4 +177,21 @@ public class DivineConfig { else linearFlushThreads = Math.max(linearFlushThreads, 1); } + + public static boolean asyncPathfinding = true; + public static int asyncPathfindingMaxThreads = 0; + public static int asyncPathfindingKeepalive = 60; + private static void asyncPathfinding() { + asyncPathfinding = getBoolean("settings.async-pathfinding.enable", asyncPathfinding); + asyncPathfindingMaxThreads = getInt("settings.async-pathfinding.max-threads", asyncPathfindingMaxThreads); + asyncPathfindingKeepalive = getInt("settings.async-pathfinding.keepalive", asyncPathfindingKeepalive); + if (asyncPathfindingMaxThreads < 0) + asyncPathfindingMaxThreads = Math.max(Runtime.getRuntime().availableProcessors() + asyncPathfindingMaxThreads, 1); + else if (asyncPathfindingMaxThreads == 0) + asyncPathfindingMaxThreads = Math.max(Runtime.getRuntime().availableProcessors() / 4, 1); + if (!asyncPathfinding) + asyncPathfindingMaxThreads = 0; + else + Bukkit.getLogger().log(Level.INFO, "Using " + asyncPathfindingMaxThreads + " threads for Async Pathfinding"); + } } diff --git a/src/main/java/space/bxteam/divinemc/pathfinding/AsyncPath.java b/src/main/java/space/bxteam/divinemc/pathfinding/AsyncPath.java new file mode 100644 index 0000000000000000000000000000000000000000..233ab97f287e7ab2cca522147778eebb2f6459be --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/AsyncPath.java @@ -0,0 +1,284 @@ +package space.bxteam.divinemc.pathfinding; + +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; + +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 postProcessing = new ArrayList<>(0); + + /** + * a list of positions that this path could path towards + */ + private final Set positions; + + /** + * the supplier of the real processed path + */ + private final Supplier pathSupplier; + + /* + * Processed values + */ + + /** + * this is a reference to the nodes list in the parent `Path` object + */ + private final List nodes; + /** + * the block we're trying to path to + *

+ * 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 + *

+ * 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 + *

+ * while processing, we can always theoretically reach the target so default is true + */ + private boolean canReach = true; + + public AsyncPath(@NotNull List emptyNodeList, @NotNull Set positions, @NotNull Supplier 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 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/space/bxteam/divinemc/pathfinding/AsyncPathProcessor.java b/src/main/java/space/bxteam/divinemc/pathfinding/AsyncPathProcessor.java new file mode 100644 index 0000000000000000000000000000000000000000..d51ecee31eb583ecb4a59c56a6325fa028789abf --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/AsyncPathProcessor.java @@ -0,0 +1,53 @@ +package space.bxteam.divinemc.pathfinding; + +import com.google.common.util.concurrent.ThreadFactoryBuilder; + +import space.bxteam.divinemc.configuration.DivineConfig; +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, + DivineConfig.asyncPathfindingMaxThreads, + DivineConfig.asyncPathfindingKeepalive, TimeUnit.SECONDS, + new LinkedBlockingQueue<>(), + new ThreadFactoryBuilder() + .setNameFormat("petal-async-pathfinding-thread-%d") // This used in ShulkerBoxBlock and Mob classes + .setPriority(Thread.NORM_PRIORITY - 2) + .build() + ); + + protected static CompletableFuture 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/space/bxteam/divinemc/pathfinding/NodeEvaluatorCache.java b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorCache.java new file mode 100644 index 0000000000000000000000000000000000000000..eb05bea8b9a18c348aa4d3edaefb93b69e1c371f --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorCache.java @@ -0,0 +1,45 @@ +package space.bxteam.divinemc.pathfinding; + +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> threadLocalNodeEvaluators = new ConcurrentHashMap<>(); + private static final Map nodeEvaluatorToGenerator = new ConcurrentHashMap<>(); + + private static @NotNull Queue 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/space/bxteam/divinemc/pathfinding/NodeEvaluatorFeatures.java b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorFeatures.java new file mode 100644 index 0000000000000000000000000000000000000000..e1aeb6b58349042e649219ad521525bbacc5776f --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorFeatures.java @@ -0,0 +1,23 @@ +package space.bxteam.divinemc.pathfinding; + +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/space/bxteam/divinemc/pathfinding/NodeEvaluatorGenerator.java b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorGenerator.java new file mode 100644 index 0000000000000000000000000000000000000000..02f00c3e5e463a5fde0c46d6c3548827b19a9fea --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorGenerator.java @@ -0,0 +1,10 @@ +package space.bxteam.divinemc.pathfinding; + +import net.minecraft.world.level.pathfinder.NodeEvaluator; +import org.jetbrains.annotations.NotNull; + +public interface NodeEvaluatorGenerator { + + @NotNull NodeEvaluator generate(NodeEvaluatorFeatures nodeEvaluatorFeatures); + +} diff --git a/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorType.java b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorType.java new file mode 100644 index 0000000000000000000000000000000000000000..897e4f676a9c7e47a291f24602ad56adc0f6bd10 --- /dev/null +++ b/src/main/java/space/bxteam/divinemc/pathfinding/NodeEvaluatorType.java @@ -0,0 +1,17 @@ +package space.bxteam.divinemc.pathfinding; + +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; + } +}