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PaperMC/Spigot-Server-Patches/0454-Optimize-Collision-Chunk-lookup-and-avoid-loading-fa.patch

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Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appears 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: b999860d SPIGOT-2304: Add LootGenerateEvent CraftBukkit Changes: 77fd87e4 SPIGOT-2304: Implement LootGenerateEvent a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent 41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-02 00:03:47 +02:00
From ef055b2d308e7f386a101f0aabd78afbb34cdaed Mon Sep 17 00:00:00 2001
Optimize Collision Chunk lookup and avoid loading far chunks Try to use a faster chunk lookup for collision detection, and only fall back to the original for nearby chunks. The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks.
2020-04-02 08:42:24 +02:00
From: Aikar <aikar@aikar.co>
Date: Thu, 2 Apr 2020 02:37:57 -0400
Subject: [PATCH] Optimize Collision Chunk lookup and avoid loading far chunks
Try to use a faster chunk lookup for collision detection, and only
fall back to the original for nearby chunks.
The collision code takes an AABB and generates a cuboid of checks rather
than a cylinder, so at high velocity this can generate a lot of chunk checks.
diff --git a/src/main/java/net/minecraft/server/ICollisionAccess.java b/src/main/java/net/minecraft/server/ICollisionAccess.java
Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appears 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: b999860d SPIGOT-2304: Add LootGenerateEvent CraftBukkit Changes: 77fd87e4 SPIGOT-2304: Implement LootGenerateEvent a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent 41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-02 00:03:47 +02:00
index f851ed11df..d154487294 100644
Optimize Collision Chunk lookup and avoid loading far chunks Try to use a faster chunk lookup for collision detection, and only fall back to the original for nearby chunks. The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks.
2020-04-02 08:42:24 +02:00
--- a/src/main/java/net/minecraft/server/ICollisionAccess.java
+++ b/src/main/java/net/minecraft/server/ICollisionAccess.java
@@ -83,15 +83,19 @@ public interface ICollisionAccess extends IBlockAccess {
}
while (cursorposition.a()) {
- int k1 = cursorposition.b();
- int l1 = cursorposition.c();
- int i2 = cursorposition.d();
+ int k1 = cursorposition.b();int x = k1; // Paper
+ int l1 = cursorposition.c();int y = l1; // Paper
+ int i2 = cursorposition.d();int z = i2; // Paper
int j2 = cursorposition.e();
if (j2 != 3) {
int k2 = k1 >> 4;
int l2 = i2 >> 4;
- IBlockAccess iblockaccess = ICollisionAccess.this.c(k2, l2);
Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appears 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: 122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType() CraftBukkit Changes: bbe3d58e SPIGOT-5650: Lectern.setPage(int) causes a NullPointerException 3075579f Add FaceAttachable interface to handle Grindstone facing in common with Switches 95bd4238 SPIGOT-5647: ZombieVillager entity should have getVillagerType() 4d975ac3 SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
2020-04-02 23:07:06 +02:00
+ // Paper start - ensure we don't load chunks
Optimize Collision Chunk lookup and avoid loading far chunks Try to use a faster chunk lookup for collision detection, and only fall back to the original for nearby chunks. The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks.
2020-04-02 08:42:24 +02:00
+ boolean far = entity != null && MCUtil.distance(entity.locX(), entity.locY(), entity.locZ(), x, y, z) > 32;
+ IBlockAccess iblockaccess = ICollisionAccess.this instanceof WorldServer ? ((WorldServer) ICollisionAccess.this).getChunkProvider().getChunkAtIfLoadedMainThread(k2, l2) : null;
+ if (!far && iblockaccess == null) iblockaccess = ICollisionAccess.this.c(k2, l2);
+ // Paper end
if (iblockaccess != null) {
blockposition_mutableblockposition.d(k1, l1, i2);
--
Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appears 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: b999860d SPIGOT-2304: Add LootGenerateEvent CraftBukkit Changes: 77fd87e4 SPIGOT-2304: Implement LootGenerateEvent a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent 41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-02 00:03:47 +02:00
2.26.2
Optimize Collision Chunk lookup and avoid loading far chunks Try to use a faster chunk lookup for collision detection, and only fall back to the original for nearby chunks. The collision code takes an AABB and generates a cuboid of checks rather than a cylinder, so at high velocity this can generate a lot of chunk checks.
2020-04-02 08:42:24 +02:00
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