From 2a5feab064a183ca6c96126f4ad2cd8bebf9470b Mon Sep 17 00:00:00 2001
From: RD42 <42702181+dashr9230@users.noreply.github.com>
Date: Sun, 14 Apr 2024 22:10:48 +0800
Subject: [PATCH] [raknet] Implement `ReliabilityLayer::UpdateNextActionTime()`

---
 raknet/ReliabilityLayer.cpp | 13 +++++++++++++
 raknet/ReliabilityLayer.h   | 12 ++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/raknet/ReliabilityLayer.cpp b/raknet/ReliabilityLayer.cpp
index 236c656..3cacca6 100644
--- a/raknet/ReliabilityLayer.cpp
+++ b/raknet/ReliabilityLayer.cpp
@@ -2,6 +2,9 @@
 
 #include "ReliabilityLayer.h"
 
+static const float PING_MULTIPLIER_TO_RESEND=3.0; // So internet ping variation doesn't cause needless resends
+static const RakNetTime MIN_PING_TO_RESEND=30; // So system timer changes and CPU lag don't send needless resends
+
 ReliabilityLayer::ReliabilityLayer()
 {
 	// TODO: ReliabilityLayer::ReliabilityLayer
@@ -13,3 +16,13 @@ void ReliabilityLayer::InitializeVariables( void )
 {
 	// TODO: ReliabilityLayer::InitializeVariables
 }
+
+//-------------------------------------------------------------------------------------------------------
+void ReliabilityLayer::UpdateNextActionTime(void)
+{
+	//double multiple = log10(currentBandwidth/MINIMUM_SEND_BPS) / 0.30102999566398119521373889472449;
+	if (ping*(RakNetTime)PING_MULTIPLIER_TO_RESEND < MIN_PING_TO_RESEND)
+		ackTimeIncrement=(RakNetTimeNS)MIN_PING_TO_RESEND*1000;
+	else
+		ackTimeIncrement=(RakNetTimeNS)(ping*(RakNetTime)PING_MULTIPLIER_TO_RESEND)*1000;
+}
diff --git a/raknet/ReliabilityLayer.h b/raknet/ReliabilityLayer.h
index 26d9198..a01cc4f 100644
--- a/raknet/ReliabilityLayer.h
+++ b/raknet/ReliabilityLayer.h
@@ -13,9 +13,21 @@ public:
 	/// Constructor
 	ReliabilityLayer();
 
+private:
+
 	// Initialize the variables
 	void InitializeVariables( void );
 
+	// Make it so we don't do resends within a minimum threshold of time
+	void UpdateNextActionTime(void);
+
+	char _gap0[713];
+
+	RakNetTime ping;
+
+	char _gap[1020];
+
+	RakNetTimeNS ackTimeIncrement;
 };
 
 #endif