Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.

GeneralsMD/Code/GameEngine/Source/GameClient/DisplayStringManager.cpp

@@ -0,0 +1,103 @@
+/*
+**	Command & Conquer Generals Zero Hour(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+////////////////////////////////////////////////////////////////////////////////
+//																																						//
+//  (c) 2001-2003 Electronic Arts Inc.																				//
+//																																						//
+////////////////////////////////////////////////////////////////////////////////
+
+// FILE: DisplayStringManager.cpp /////////////////////////////////////////////////////////////////
+// Created:    Colin Day, July 2001
+// Desc:       Access for creating game managed display strings
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include "PreRTS.h"	// This must go first in EVERY cpp file int the GameEngine
+
+#include "GameClient/DisplayStringManager.h"
+
+// PUBLIC DATA ////////////////////////////////////////////////////////////////////////////////////
+DisplayStringManager *TheDisplayStringManager = NULL;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// PUBLIC FUNCTIONS
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+//-------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------
+DisplayStringManager::DisplayStringManager( void )
+{
+
+	m_stringList = NULL;
+	m_currentCheckpoint = NULL;
+
+}  // end DisplayStringManager
+
+//-------------------------------------------------------------------------------------------------
+//-------------------------------------------------------------------------------------------------
+DisplayStringManager::~DisplayStringManager( void )
+{
+
+	//
+	// we only keep track of the strings, we do NOT de-allocate them, our
+	// list better be cleaned out before we destroy ourselves
+	//
+	assert( m_stringList == NULL );
+
+}  // end ~DisplayStringManager
+
+//-------------------------------------------------------------------------------------------------
+/** Link a display string to the master list */
+//-------------------------------------------------------------------------------------------------
+void DisplayStringManager::link( DisplayString *string )
+{
+
+	assert( string );
+	assert( string->m_next == NULL );
+	assert( string->m_prev == NULL );
+
+	string->m_next = m_stringList;
+	if( m_stringList )
+		m_stringList->m_prev = string;
+
+	m_stringList = string;
+
+}  // end link
+
+//-------------------------------------------------------------------------------------------------
+/** Unlink a display string from the master list */
+//-------------------------------------------------------------------------------------------------
+void DisplayStringManager::unLink( DisplayString *string )
+{
+
+	assert( string );
+	assert( m_stringList );
+
+	if( string->m_next )
+		string->m_next->m_prev = string->m_prev;
+	if( string->m_prev )
+		string->m_prev->m_next = string->m_next;
+	else
+	{
+
+		assert( string == m_stringList );
+		m_stringList = string->m_next;
+
+	}  // end else
+
+}  // end unLink