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Heavily optimise random block ticking (#2914)

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* Optimise random block ticking

Massive performance improvement for random block ticking.
The performance increase comes from the fact that the vast
majority of attempted block ticks (~95% in my testing) fail
because the randomly selected block is not tickable.

Now only tickable blocks are targeted, however this means that
the maximum number of block ticks occurs per chunk. However,
not all chunks are going to be targeted. The percent chance
of a chunk being targeted is based on how many tickable blocks
are in the chunk.
This means that while block ticks are spread out less, the
total number of blocks ticked per world tick remains the same.
Therefore, the chance of a random tickable block being ticked
remains the same.
This commit is contained in:
Spottedleaf
2020-02-12 05:49:53 -08:00
parent 3633c4f173
commit ff52e956ad
3 changed files with 559 additions and 2 deletions
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2
Spigot-Server-Patches/Add-ThrownEggHatchEvent.patch
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@@ -7,7 +7,7 @@ Adds a new event similar to PlayerEggThrowEvent, but without the Player requirem
(dispensers can throw eggs to hatch them, too).
diff --git a/src/main/java/net/minecraft/server/EntityEgg.java b/src/main/java/net/minecraft/server/EntityEgg.java
index 970f9109d..bdd82d052 100644
index 970f9109d9..bdd82d052a 100644
--- a/src/main/java/net/minecraft/server/EntityEgg.java
+++ b/src/main/java/net/minecraft/server/EntityEgg.java
@@ -0,0 +0,0 @@ public class EntityEgg extends EntityProjectileThrowable {