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* perf: SpatialPlayerIndex for isChunkNearPlayer * perf: ensureCapacity with collectTickingChunks * perf: optimize getSlopeDistance * perf: optimize AABB Intersections * perf: implement custom arrays for regions and caches * perf: Improve SortedArraySet sorting (needs testing) * rebase 1.21.4 * perf: optimize ClientBoundLightUpdatePacketData * perf: O(1) Array Writes during Chunk Loading * perf: Optimize LinearPalette (no not the linear format) * perf: Rewrite ConcurrentLongHashSet * rebase 1.21.4 * Fix Multithreaded Tracker (#236) * duke gonna arrest me * i hate git v2 * rebase * dont worry ill change the name of this patch * perf: Rewrite ConcurrentLongHashSet again * perf: Optimize sendChunk * [ci skip] * cleanup * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * cleanup * remove streams on LinearPalette and SerializableChunkData * actually commit them lmao * actually commit them lmao 2 * fix * rebase * perf: clone less (could help with skyblocks) * perf: more unload stuff * perf: manual loop unrolling and bulk copy * initial size for SerializeableChunkData * perf: async chunkSend * cleanup asyncChunkSend * remove experimental tag * rebase --------- Co-authored-by: Creeam <102713261+HaHaWTH@users.noreply.github.com> Co-authored-by: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
82 lines
3.0 KiB
Diff
82 lines
3.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Taiyou06 <kaandindar21@gmail.com>
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Date: Mon, 24 Feb 2025 21:11:09 +0100
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Subject: [PATCH] Slight optimizations to VarInt
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diff --git a/net/minecraft/network/VarInt.java b/net/minecraft/network/VarInt.java
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index 6f8dd31582f0e1d3a71acc7a142c1f4ec0539d9e..043db53ee627ac13e3a952c8d5beba5065ecbb48 100644
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--- a/net/minecraft/network/VarInt.java
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+++ b/net/minecraft/network/VarInt.java
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@@ -51,35 +51,41 @@ public class VarInt {
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}
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public static ByteBuf write(ByteBuf buffer, int value) {
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- // Gale start - Velocity - optimized VarInt#write
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- if ((value & 0xFFFFFF80) == 0) {
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- buffer.writeByte(value);
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- } else if ((value & 0xFFFFC000) == 0) {
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- int w = (value & 0x7F) << 8
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- | (value >>> 7)
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- | 0x00008000;
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- buffer.writeShort(w);
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- } else if ((value & 0xFFE00000) == 0) {
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- int w = (value & 0x7F) << 16
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- | (value & 0x3F80) << 1
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- | (value >>> 14)
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- | 0x00808000;
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- buffer.writeMedium(w);
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- } else if ((value & 0xF0000000) == 0) {
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- int w = (value & 0x7F) << 24
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- | ((value & 0x3F80) << 9)
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- | (value & 0x1FC000) >> 6
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- | (value >>> 21)
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- | 0x80808000;
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- buffer.writeInt(w);
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- } else {
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- int w = (value & 0x7F) << 24
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- | (value & 0x3F80) << 9
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- | (value & 0x1FC000) >> 6
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- | ((value >>> 21) & 0x7F)
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- | 0x80808080;
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- buffer.writeInt(w);
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- buffer.writeByte(value >>> 28);
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+ // Gale start - Velocity - optimized VarInt#write // Leaf - help JIT by using switch case
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+ int bytesNeeded = getByteSize(value);
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+
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+ switch (bytesNeeded) {
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+ case 1:
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+ buffer.writeByte(value);
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+ break;
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+ case 2:
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+ int w2 = ((value & 0x7F) << 8) | (value >>> 7) | 0x00008000;
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+ buffer.writeShort(w2);
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+ break;
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+ case 3:
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+ int w3 = (value & 0x7F) << 16
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+ | (value & 0x3F80) << 1
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+ | (value >>> 14)
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+ | 0x00808000;
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+ buffer.writeMedium(w3);
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+ break;
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+ case 4:
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+ int w4 = (value & 0x7F) << 24
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+ | ((value & 0x3F80) << 9)
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+ | (value & 0x1FC000) >> 6
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+ | (value >>> 21)
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+ | 0x80808000;
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+ buffer.writeInt(w4);
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+ break;
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+ case 5:
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+ int w5 = (value & 0x7F) << 24
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+ | (value & 0x3F80) << 9
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+ | (value & 0x1FC000) >> 6
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+ | ((value >>> 21) & 0x7F)
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+ | 0x80808080;
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+ buffer.writeInt(w5);
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+ buffer.writeByte(value >>> 28);
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+ break;
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}
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return buffer;
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}
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