From 3bf9df6b2785fa6d951086978a3e66f49427166a Mon Sep 17 00:00:00 2001
From: FluorescentCIAAfricanAmerican <0934gj3049fk@protonmail.com>
Date: Wed, 22 Apr 2020 12:56:21 -0400
Subject: 1

---
 engine/traceinit.cpp | 177 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 engine/traceinit.cpp

(limited to 'engine/traceinit.cpp')

diff --git a/engine/traceinit.cpp b/engine/traceinit.cpp
new file mode 100644
index 0000000..c3a26e5
--- /dev/null
+++ b/engine/traceinit.cpp
@@ -0,0 +1,177 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+
+#include "basetypes.h"
+#include "traceinit.h"
+#include "utlvector.h"
+#include "sys.h"
+#include "common.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class CInitTracker
+{
+public:
+	enum
+	{
+		NUM_LISTS = 4,
+	};
+
+	//-----------------------------------------------------------------------------
+	// Purpose: 
+	//-----------------------------------------------------------------------------
+	class InitFunc
+	{
+	public:
+		const char	*initname;
+		const char	*shutdownname;
+		int			referencecount;
+		int			sequence;
+		bool		warningprinted;
+		// Profiling data
+		float		inittime;
+		float		shutdowntime;
+	};
+
+								CInitTracker( void );
+								~CInitTracker( void );
+
+	void						Init( const char *init, const char *shutdown, int listnum );
+	void						Shutdown( const char *shutdown, int listnum );
+
+private:
+	int							m_nNumFuncs[ NUM_LISTS ];
+	CUtlVector < InitFunc * >	m_Funcs[ NUM_LISTS ];
+};
+
+static CInitTracker g_InitTracker;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CInitTracker::CInitTracker( void )
+{
+	for ( int l = 0; l < NUM_LISTS; l++ )
+	{
+		m_nNumFuncs[ l ] = 0;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CInitTracker::~CInitTracker( void )
+{
+	for ( int l = 0; l < NUM_LISTS; l++ )
+	{
+		//assert( m_nNumFuncs[l] == 0 );
+		for ( int i = 0; i < m_nNumFuncs[l]; i++ )
+		{
+			InitFunc *f = m_Funcs[ l ][ i ];
+			if ( f->referencecount )
+			{
+				Msg( "Missing shutdown function for %s : %s\n", f->initname, f->shutdownname );
+			}
+			delete f;
+		}
+		m_Funcs[ l ].RemoveAll();
+		m_nNumFuncs[ l ] = 0;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *init - 
+//			*shutdown - 
+//-----------------------------------------------------------------------------
+void CInitTracker::Init( const char *init, const char *shutdown, int listnum )
+{
+	InitFunc *f = new InitFunc;
+	Assert( f );
+	f->initname			= init;
+	f->shutdownname		= shutdown;
+	f->sequence			= m_nNumFuncs[ listnum ];
+	f->referencecount	= 1;
+	f->warningprinted	= false;
+	f->inittime			= 0.0; //Sys_FloatTime();
+	f->shutdowntime		= 0.0;
+
+	m_Funcs[ listnum ].AddToHead( f );
+	m_nNumFuncs[ listnum ]++;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *shutdown - 
+//-----------------------------------------------------------------------------
+void CInitTracker::Shutdown( const char *shutdown, int listnum )
+{
+	if( !m_nNumFuncs[ listnum ] )
+	{
+		Msg( "Mismatched shutdown function %s\n", shutdown );
+		return;
+	}
+	
+	int i = 0;
+	InitFunc *f = NULL;
+	for ( i = 0; i < m_nNumFuncs[ listnum ]; i++ )
+	{
+		f = m_Funcs[ listnum ][ i ];
+		if ( f->referencecount )
+			break;
+	}
+	
+	if ( f && f->referencecount && stricmp( f->shutdownname, shutdown ) )
+	{
+		if ( !f->warningprinted )
+		{
+			f->warningprinted = true;
+			//Msg( "Shutdown function %s called out of order, expecting %s\n", shutdown, f->shutdownname );
+		}
+	}
+
+	for ( i = 0; i < m_nNumFuncs[ listnum ]; i++ )
+	{
+		f = m_Funcs[ listnum ][ i ];
+
+		if ( !stricmp( f->shutdownname, shutdown ) )
+		{
+			Assert( f->referencecount );
+			//f->shutdowntime = Sys_FloatTime();
+			f->referencecount--;
+			return;
+		}
+	}
+
+	Msg( "Shutdown function %s not in list!!!\n", shutdown );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *i - 
+//			*s - 
+//-----------------------------------------------------------------------------
+void TraceInit( const char *i, const char *s, int listnum )
+{
+	g_InitTracker.Init( i, s, listnum );
+
+	COM_TimestampedLog( "%s", i );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *s - 
+//-----------------------------------------------------------------------------
+void TraceShutdown( const char *s, int listnum )
+{
+	g_InitTracker.Shutdown( s, listnum );
+}
\ No newline at end of file
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