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author | Jake Potrebic <[email protected]> | 2024-04-06 12:53:39 -0700 |
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committer | GitHub <[email protected]> | 2024-04-06 12:53:39 -0700 |
commit | bd38e0318ae7f8fd10c13eb52d64842a73a81437 (patch) | |
tree | 7733b775e13d21655e985a3a083b0d3835707bd8 /patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch | |
parent | a2035440cfe3ec829513a74b1309859fc15be972 (diff) | |
download | Paper-bd38e0318ae7f8fd10c13eb52d64842a73a81437.tar.gz Paper-bd38e0318ae7f8fd10c13eb52d64842a73a81437.zip |
Updated Upstream (Bukkit/CraftBukkit) (#10379)
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
Bukkit Changes:
f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox)
9321d665 Move getItemInUse up to LivingEntity
819eef73 PR-959: Add access to current item's remaining ticks
c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem
be8261ca Add support for Java 22
26119676 PR-979: Add more translation keys
66753362 PR-985: Correct book maximum pages and characters per page documentation
c8be92fa PR-980: Improve getArmorContents() documentation
f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent
CraftBukkit Changes:
dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox)
51bbab2b9 Move getItemInUse up to LivingEntity
668e09602 PR-1331: Add access to current item's remaining ticks
a639406d1 SPIGOT-7601: Add AbstractArrow#getItem
0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories
ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list
2188dcfa9 Add support for Java 22
45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime"
06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
ca3bc3707 PR-1361: Add more translation keys
366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs
06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates
45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent
29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
Diffstat (limited to 'patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch')
-rw-r--r-- | patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch b/patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch new file mode 100644 index 0000000000..f0c0562d70 --- /dev/null +++ b/patches/server/1005-Optimize-Pathfinder-Remove-Streams-Optimized-collect.patch @@ -0,0 +1,134 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Aikar <[email protected]> +Date: Tue, 4 Aug 2020 22:24:15 +0200 +Subject: [PATCH] Optimize Pathfinder - Remove Streams / Optimized collections + +I utilized the IDE to convert streams to non streams code, so shouldn't +be any risk of behavior change. Only did minor optimization of the +generated code set to remove unnecessary things. + +I expect us to just drop this patch on next major update and re-apply +it with the IDE again and re-apply the collections optimization. + +Optimize collection by creating a list instead of a set of the key and value. + +This lets us get faster foreach iteration, as well as avoids map lookups on +the values when needed. + +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 8519383a9abd45434c1e9888e77548941a80c79c..8aa4ac3a6affbe888d6084a27b668c58dfda6c79 100644 +--- a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java ++++ b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java +@@ -38,9 +38,12 @@ public class PathFinder { + if (node == null) { + return null; + } else { +- Map<Target, BlockPos> map = positions.stream().collect(Collectors.toMap((pos) -> { +- return this.nodeEvaluator.getGoal((double)pos.getX(), (double)pos.getY(), (double)pos.getZ()); +- }, Function.identity())); ++ // Paper start - Perf: remove streams and optimize collection ++ List<Map.Entry<Target, BlockPos>> map = Lists.newArrayList(); ++ for (BlockPos pos : positions) { ++ map.add(new java.util.AbstractMap.SimpleEntry<>(this.nodeEvaluator.getGoal(pos.getX(), pos.getY(), pos.getZ()), pos)); ++ } ++ // Paper end - Perf: remove streams and optimize collection + Path path = this.findPath(world.getProfiler(), node, map, followRange, distance, rangeMultiplier); + this.nodeEvaluator.done(); + return path; +@@ -48,18 +51,19 @@ public class PathFinder { + } + + @Nullable +- private Path findPath(ProfilerFiller profiler, Node startNode, Map<Target, BlockPos> positions, float followRange, int distance, float rangeMultiplier) { ++ // Paper start - Perf: remove streams and optimize collection ++ private Path findPath(ProfilerFiller profiler, Node startNode, List<Map.Entry<Target, BlockPos>> positions, float followRange, int distance, float rangeMultiplier) { + profiler.push("find_path"); + profiler.markForCharting(MetricCategory.PATH_FINDING); +- Set<Target> set = positions.keySet(); ++ // Set<Target> set = positions.keySet(); + startNode.g = 0.0F; +- startNode.h = this.getBestH(startNode, set); ++ startNode.h = this.getBestH(startNode, positions); // Paper - optimize collection + startNode.f = startNode.h; + this.openSet.clear(); + this.openSet.insert(startNode); +- Set<Node> set2 = ImmutableSet.of(); ++ // Set<Node> set2 = ImmutableSet.of(); // Paper - unused - diff on change + int i = 0; +- Set<Target> set3 = Sets.newHashSetWithExpectedSize(set.size()); ++ List<Map.Entry<Target, BlockPos>> entryList = Lists.newArrayListWithExpectedSize(positions.size()); // Paper - optimize collection + int j = (int)((float)this.maxVisitedNodes * rangeMultiplier); + + while(!this.openSet.isEmpty()) { +@@ -71,14 +75,18 @@ public class PathFinder { + Node node = this.openSet.pop(); + node.closed = true; + +- for(Target target : set) { ++ // Paper start - optimize collection ++ for(int i1 = 0; i1 < positions.size(); i1++) { ++ final Map.Entry<Target, BlockPos> entry = positions.get(i1); ++ Target target = entry.getKey(); + if (node.distanceManhattan(target) <= (float)distance) { + target.setReached(); +- set3.add(target); ++ entryList.add(entry); ++ // Paper end - Perf: remove streams and optimize collection + } + } + +- if (!set3.isEmpty()) { ++ if (!entryList.isEmpty()) { // Paper - Perf: remove streams and optimize collection; rename + break; + } + +@@ -93,7 +101,7 @@ public class PathFinder { + if (node2.walkedDistance < followRange && (!node2.inOpenSet() || g < node2.g)) { + node2.cameFrom = node; + node2.g = g; +- node2.h = this.getBestH(node2, set) * 1.5F; ++ node2.h = this.getBestH(node2, positions) * 1.5F; // Paper - Perf: remove streams and optimize collection + if (node2.inOpenSet()) { + this.openSet.changeCost(node2, node2.g + node2.h); + } else { +@@ -105,23 +113,32 @@ public class PathFinder { + } + } + +- Optional<Path> optional = !set3.isEmpty() ? set3.stream().map((node) -> { +- return this.reconstructPath(node.getBestNode(), positions.get(node), true); +- }).min(Comparator.comparingInt(Path::getNodeCount)) : set.stream().map((target) -> { +- return this.reconstructPath(target.getBestNode(), positions.get(target), false); +- }).min(Comparator.comparingDouble(Path::getDistToTarget).thenComparingInt(Path::getNodeCount)); ++ // Paper start - Perf: remove streams and optimize collection ++ Path best = null; ++ boolean entryListIsEmpty = entryList.isEmpty(); ++ Comparator<Path> comparator = entryListIsEmpty ? Comparator.comparingInt(Path::getNodeCount) ++ : Comparator.comparingDouble(Path::getDistToTarget).thenComparingInt(Path::getNodeCount); ++ for (Map.Entry<Target, BlockPos> entry : entryListIsEmpty ? positions : entryList) { ++ Path path = this.reconstructPath(entry.getKey().getBestNode(), entry.getValue(), !entryListIsEmpty); ++ if (best == null || comparator.compare(path, best) < 0) ++ best = path; ++ } + profiler.pop(); +- return optional.isEmpty() ? null : optional.get(); ++ return best; ++ // Paper end - Perf: remove streams and optimize collection + } + + protected float distance(Node a, Node b) { + return a.distanceTo(b); + } + +- private float getBestH(Node node, Set<Target> targets) { ++ private float getBestH(Node node, List<Map.Entry<Target, BlockPos>> targets) { // Paper - Perf: remove streams and optimize collection; Set<Target> -> List<Map.Entry<Target, BlockPos>> + float f = Float.MAX_VALUE; + +- for(Target target : targets) { ++ // Paper start - Perf: remove streams and optimize collection ++ for (int i = 0, targetsSize = targets.size(); i < targetsSize; i++) { ++ final Target target = targets.get(i).getKey(); ++ // Paper end - Perf: remove streams and optimize collection + float g = node.distanceTo(target); + target.updateBest(g, node); + f = Math.min(g, f); |