From 3131283734132c3ec394dc7bb728ab477ac5c4ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20M=C3=BCller?= <robytemueller@gmail.com>
Date: Mon, 23 Dec 2024 13:38:20 +0100
Subject: [PATCH] Fix tuning velramp graphs not being updated when tuning
 changed

---
 src/engine/client/graph.cpp      |  3 +++
 src/engine/shared/ringbuffer.cpp | 12 +++++++++---
 src/engine/shared/ringbuffer.h   |  4 ++++
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/engine/client/graph.cpp b/src/engine/client/graph.cpp
index 59ab25e6849..9b98f7c7077 100644
--- a/src/engine/client/graph.cpp
+++ b/src/engine/client/graph.cpp
@@ -13,6 +13,9 @@ CGraph::CGraph(int MaxEntries) :
 
 void CGraph::Init(float Min, float Max)
 {
+	m_Entries.Clear();
+	m_pFirstScaled = nullptr;
+	m_RenderedTotalTime = 0;
 	SetMin(Min);
 	SetMax(Max);
 }
diff --git a/src/engine/shared/ringbuffer.cpp b/src/engine/shared/ringbuffer.cpp
index c8697942e44..03fb1b0d4e6 100644
--- a/src/engine/shared/ringbuffer.cpp
+++ b/src/engine/shared/ringbuffer.cpp
@@ -44,8 +44,15 @@ CRingBufferBase::CItem *CRingBufferBase::MergeBack(CItem *pItem)
 
 void CRingBufferBase::Init(void *pMemory, int Size, int Flags)
 {
-	m_Size = (Size) / sizeof(CItem) * sizeof(CItem);
-	m_pFirst = (CItem *)pMemory;
+	m_Size = Size / sizeof(CItem) * sizeof(CItem);
+	m_pBuffer = static_cast<CItem *>(pMemory);
+	m_Flags = Flags;
+	Clear();
+}
+
+void CRingBufferBase::Clear()
+{
+	m_pFirst = m_pBuffer;
 	m_pFirst->m_pPrev = nullptr;
 	m_pFirst->m_pNext = nullptr;
 	m_pFirst->m_Free = 1;
@@ -53,7 +60,6 @@ void CRingBufferBase::Init(void *pMemory, int Size, int Flags)
 	m_pLast = m_pFirst;
 	m_pProduce = m_pFirst;
 	m_pConsume = m_pFirst;
-	m_Flags = Flags;
 }
 
 void *CRingBufferBase::Allocate(int Size)
diff --git a/src/engine/shared/ringbuffer.h b/src/engine/shared/ringbuffer.h
index 11af0fa3205..676e2852af5 100644
--- a/src/engine/shared/ringbuffer.h
+++ b/src/engine/shared/ringbuffer.h
@@ -18,6 +18,8 @@ class CRingBufferBase
 		int m_Size;
 	};
 
+	CItem *m_pBuffer;
+
 	CItem *m_pProduce;
 	CItem *m_pConsume;
 
@@ -52,6 +54,8 @@ class CRingBufferBase
 		FLAG_RECYCLE = 1
 	};
 	static constexpr int ITEM_SIZE = sizeof(CItem);
+
+	void Clear();
 };
 
 template<typename T>