80 lines
3.8 KiB
Diff
80 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: 2No2Name <2No2Name@web.de>
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Date: Wed, 15 Dec 2021 11:20:48 -0500
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Subject: [PATCH] lithium: fast retrieval
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Original code by CaffeineMC, licensed under GNU Lesser General Public License v3.0
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You can find the original code on https://github.com/CaffeineMC/lithium-fabric (Yarn mappings)
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diff --git a/src/main/java/net/minecraft/world/level/entity/EntitySectionStorage.java b/src/main/java/net/minecraft/world/level/entity/EntitySectionStorage.java
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index 74210dc2eef63da7360b1f833bb59b278419fb2b..aae1f6d5d0e47363042657d755f6bfeea2420347 100644
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--- a/src/main/java/net/minecraft/world/level/entity/EntitySectionStorage.java
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+++ b/src/main/java/net/minecraft/world/level/entity/EntitySectionStorage.java
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@@ -32,33 +32,44 @@ public class EntitySectionStorage<T extends EntityAccess> {
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this.intialSectionVisibility = chunkStatusDiscriminator;
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}
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+ // JettPack start - lithium: fast retrieval
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public void forEachAccessibleNonEmptySection(AABB box, Consumer<EntitySection<T>> action) {
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- int i = SectionPos.posToSectionCoord(box.minX - 2.0D);
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- int j = SectionPos.posToSectionCoord(box.minY - 2.0D);
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- int k = SectionPos.posToSectionCoord(box.minZ - 2.0D);
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- int l = SectionPos.posToSectionCoord(box.maxX + 2.0D);
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- int m = SectionPos.posToSectionCoord(box.maxY + 2.0D);
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- int n = SectionPos.posToSectionCoord(box.maxZ + 2.0D);
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-
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- for(int o = i; o <= l; ++o) {
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- long p = SectionPos.asLong(o, 0, 0);
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- long q = SectionPos.asLong(o, -1, -1);
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- LongIterator longIterator = this.sectionIds.subSet(p, q + 1L).iterator();
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-
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- while(longIterator.hasNext()) {
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- long r = longIterator.nextLong();
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- int s = SectionPos.y(r);
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- int t = SectionPos.z(r);
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- if (s >= j && s <= m && t >= k && t <= n) {
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- EntitySection<T> entitySection = this.sections.get(r);
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- if (entitySection != null && !entitySection.isEmpty() && entitySection.getStatus().isAccessible()) {
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- action.accept(entitySection);
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- }
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- }
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+ int minX = SectionPos.posToSectionCoord(box.minX - 2.0D);
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+ int minY = SectionPos.posToSectionCoord(box.minY - 2.0D);
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+ int minZ = SectionPos.posToSectionCoord(box.minZ - 2.0D);
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+ int maxX = SectionPos.posToSectionCoord(box.maxX + 2.0D);
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+ int maxY = SectionPos.posToSectionCoord(box.maxY + 2.0D);
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+ int maxZ = SectionPos.posToSectionCoord(box.maxZ + 2.0D);
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+
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+ for (int x = minX; x <= maxX; x++) {
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+ for (int z = Math.max(minZ, 0); z <= maxZ; z++) {
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+ this.forEachInColumn(x, minY, maxY, z, action);
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}
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+
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+ int bound = Math.min(-1, maxZ);
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+ for (int z = minZ; z <= bound; z++) {
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+ this.forEachInColumn(x, minY, maxY, z, action);
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+ }
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+ }
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+ }
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+
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+ private void forEachInColumn(int x, int minY, int maxY, int z, Consumer<EntitySection<T>> action) {
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+ for (int y = Math.max(minY, 0); y <= maxY; y++) {
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+ this.consumeSection(x, y, z, action);
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+ }
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+ int bound = Math.min(-1, maxY);
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+ for (int y = minY; y <= bound; y++) {
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+ this.consumeSection(x, y, z, action);
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}
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+ }
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+ private void consumeSection(int x, int y, int z, Consumer<EntitySection<T>> action) {
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+ EntitySection<T> section = this.getSection(SectionPos.asLong(x, y, z));
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+ if (section != null && section.getStatus().isAccessible()) {
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+ action.accept(section);
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+ }
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}
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+ // JettPack end
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public LongStream getExistingSectionPositionsInChunk(long chunkPos) {
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int i = ChunkPos.getX(chunkPos);
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