Fix gametime debug graph when dummy is connected

Use separate graphs for the main and dummy gametimes to prevent the graph from using an incorrect time scale due to values for both main and dummy connection being added to it.

src/engine/client/client.cpp

@@ -86,7 +86,7 @@ static const ColorRGBA gs_ClientNetworkErrPrintColor{1.0f, 0.25f, 0.25f, 1.0f};
 CClient::CClient() :
 	m_DemoPlayer(&m_SnapshotDelta, true, [&]() { UpdateDemoIntraTimers(); }),
 	m_InputtimeMarginGraph(128),
-	m_GametimeMarginGraph(128),
+	m_aGametimeMarginGraphs{128, 128},
 	m_FpsGraph(4096)
 {
 	m_StateStartTime = time_get();
@@ -634,7 +634,7 @@ void CClient::Connect(const char *pAddress, const char *pPassword)
 	SetState(IClient::STATE_CONNECTING);
 
 	m_InputtimeMarginGraph.Init(-150.0f, 150.0f);
-	m_GametimeMarginGraph.Init(-150.0f, 150.0f);
+	m_aGametimeMarginGraphs[CONN_MAIN].Init(-150.0f, 150.0f);
 
 	GenerateTimeoutCodes(aConnectAddrs, NumConnectAddrs);
 }
@@ -753,6 +753,8 @@ void CClient::DummyConnect()
 		m_aNetClient[CONN_DUMMY].Connect7(m_aNetClient[CONN_MAIN].ServerAddress(), 1);
 	else
 		m_aNetClient[CONN_DUMMY].Connect(m_aNetClient[CONN_MAIN].ServerAddress(), 1);
+
+	m_aGametimeMarginGraphs[CONN_DUMMY].Init(-150.0f, 150.0f);
 }
 
 void CClient::DummyDisconnect(const char *pReason)
@@ -963,8 +965,8 @@ void CClient::DebugRender()
 		m_FpsGraph.Render(Graphics(), TextRender(), x, sp * 5, w, h, "FPS");
 		m_InputtimeMarginGraph.Scale(5 * time_freq());
 		m_InputtimeMarginGraph.Render(Graphics(), TextRender(), x, sp * 6 + h, w, h, "Prediction Margin");
-		m_GametimeMarginGraph.Scale(5 * time_freq());
-		m_GametimeMarginGraph.Render(Graphics(), TextRender(), x, sp * 7 + h * 2, w, h, "Gametime Margin");
+		m_aGametimeMarginGraphs[g_Config.m_ClDummy].Scale(5 * time_freq());
+		m_aGametimeMarginGraphs[g_Config.m_ClDummy].Render(Graphics(), TextRender(), x, sp * 7 + h * 2, w, h, "Gametime Margin");
 	}
 }
 
@@ -2085,7 +2087,7 @@ void CClient::ProcessServerPacket(CNetChunk *pPacket, int Conn, bool Dummy)
 						int64_t Now = m_aGameTime[Conn].Get(time_get());
 						int64_t TickStart = GameTick * time_freq() / GameTickSpeed();
 						int64_t TimeLeft = (TickStart - Now) * 1000 / time_freq();
-						m_aGameTime[Conn].Update(&m_GametimeMarginGraph, (GameTick - 1) * time_freq() / GameTickSpeed(), TimeLeft, CSmoothTime::ADJUSTDIRECTION_DOWN);
+						m_aGameTime[Conn].Update(&m_aGametimeMarginGraphs[Conn], (GameTick - 1) * time_freq() / GameTickSpeed(), TimeLeft, CSmoothTime::ADJUSTDIRECTION_DOWN);
 					}
 
 					if(m_aReceivedSnapshots[Conn] > GameTickSpeed() && !m_aCodeRunAfterJoin[Conn])

src/engine/client/client.h

@@ -187,7 +187,7 @@ class CClient : public IClient, public CDemoPlayer::IListener
 
 	// graphs
 	CGraph m_InputtimeMarginGraph;
-	CGraph m_GametimeMarginGraph;
+	CGraph m_aGametimeMarginGraphs[NUM_DUMMIES];
 	CGraph m_FpsGraph;
 
 	// the game snapshots are modifiable by the game