76 Zeilen
4.2 KiB
Diff
76 Zeilen
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Martijn Muijsers <martijnmuijsers@live.nl>
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Date: Tue, 15 Aug 2023 21:04:55 +0200
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Subject: [PATCH] Do crystal-portal proximity check before entity lookup
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This adds a very cheap distance check when an end crystal is placed.
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Attempting to respawn the dragon, which involves looking up the end crystal
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entities near the portal, every time an end crystal is placed, can be slow on
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some servers that have players placing end crystals as a style of combat.
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The very cheap distance check prevents running the entity lookup every time.
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diff --git a/src/main/java/net/minecraft/world/item/EndCrystalItem.java b/src/main/java/net/minecraft/world/item/EndCrystalItem.java
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index 1339459dcbd85897f32362019f79a68393c91674..26c77cead77db560dd5836f5b56e09775cf5172d 100644
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--- a/src/main/java/net/minecraft/world/item/EndCrystalItem.java
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+++ b/src/main/java/net/minecraft/world/item/EndCrystalItem.java
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@@ -30,7 +30,7 @@ public class EndCrystalItem extends Item {
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if (!iblockdata.is(Blocks.OBSIDIAN) && !iblockdata.is(Blocks.BEDROCK)) {
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return InteractionResult.FAIL;
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} else {
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- BlockPos blockposition1 = blockposition.above();
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+ BlockPos blockposition1 = blockposition.above(); final BlockPos aboveBlockPosition = blockposition1; // Paper - OBFHELPER
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if (!world.isEmptyBlock(blockposition1)) {
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return InteractionResult.FAIL;
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@@ -58,7 +58,7 @@ public class EndCrystalItem extends Item {
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EndDragonFight enderdragonbattle = ((ServerLevel) world).getDragonFight();
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if (enderdragonbattle != null) {
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- enderdragonbattle.tryRespawn();
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+ enderdragonbattle.tryRespawn(aboveBlockPosition); // Paper - Perf: Do crystal-portal proximity check before entity lookup
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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index 6b59c4b5906c0fb4fdbc674452c6ff3df42b099b..18a1b4325cac81b040596071dab99ef9bf6f3142 100644
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--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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@@ -558,6 +558,12 @@ public class EndDragonFight {
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}
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public boolean tryRespawn() { // CraftBukkit - return boolean
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+ // Paper start - Perf: Do crystal-portal proximity check before entity lookup
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+ return this.tryRespawn(null);
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+ }
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+
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+ public boolean tryRespawn(@Nullable BlockPos placedEndCrystalPos) { // placedEndCrystalPos is null if the tryRespawn() call was not caused by a placed end crystal
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+ // Paper end - Perf: Do crystal-portal proximity check before entity lookup
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if (this.dragonKilled && this.respawnStage == null) {
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BlockPos blockposition = this.portalLocation;
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@@ -575,6 +581,22 @@ public class EndDragonFight {
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blockposition = this.portalLocation;
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}
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+ // Paper start - Perf: Do crystal-portal proximity check before entity lookup
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+ if (placedEndCrystalPos != null) {
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+ // The end crystal must be 0 or 1 higher than the portal origin
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+ int dy = placedEndCrystalPos.getY() - blockposition.getY();
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+ if (dy != 0 && dy != 1) {
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+ return false;
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+ }
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+ // The end crystal must be within a distance of 1 in one planar direction, and 3 in the other
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+ int dx = placedEndCrystalPos.getX() - blockposition.getX();
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+ int dz = placedEndCrystalPos.getZ() - blockposition.getZ();
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+ if (!((dx >= -1 && dx <= 1 && dz >= -3 && dz <= 3) || (dx >= -3 && dx <= 3 && dz >= -1 && dz <= 1))) {
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+ return false;
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+ }
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+ }
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+ // Paper end - Perf: Do crystal-portal proximity check before entity lookup
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+
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List<EndCrystal> list = Lists.newArrayList();
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BlockPos blockposition1 = blockposition.above(1);
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Iterator iterator = Direction.Plane.HORIZONTAL.iterator();
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