From c458fab4297b7f569ebdebfeae6c66b89054d4d1 Mon Sep 17 00:00:00 2001
From: tovjemam <zbyvaj@seznam.cz>
Date: Wed, 11 Feb 2026 20:47:39 +0100
Subject: [PATCH] Make WriteDelta/ReadDelta write/read 1-byte valeus directly
 instead of using varint differences

---
 src/net/utils.hpp | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/net/utils.hpp b/src/net/utils.hpp
index bfbf1c6..5b7538d 100644
--- a/src/net/utils.hpp
+++ b/src/net/utils.hpp
@@ -127,7 +127,14 @@ inline bool ReadRGB(InMessage& msg, glm::vec3& color)
 }
 
 // DELTA
-template <std::unsigned_integral T>
+template <std::unsigned_integral T> requires (sizeof(T) == 1)
+inline void WriteDelta(OutMessage& msg, T previous, T current)
+{
+    // 1 byte => just write current
+    msg.Write(current);
+}
+
+template <std::unsigned_integral T> requires (sizeof(T) > 1)
 inline void WriteDelta(OutMessage& msg, T previous, T current)
 {
     static_assert(sizeof(T) <= 4);
@@ -146,7 +153,14 @@ inline void WriteDelta(OutMessage& msg, T current, T previous)
     WriteDelta(msg, previous.value, current.value);
 }
 
-template <std::unsigned_integral T>
+template <std::unsigned_integral T> requires (sizeof(T) == 1)
+inline bool ReadDelta(InMessage& msg, T previous, T& current)
+{
+    // 1 byte => just read current
+    return msg.Read(current);
+}
+
+template <std::unsigned_integral T> requires (sizeof(T) > 1)
 inline bool ReadDelta(InMessage& msg, T previous, T& current)
 {
     static_assert(sizeof(T) <= 4);