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468 lines
11 KiB
C++
468 lines
11 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include <stdarg.h>
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#include "imessagechars.h"
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#include <vgui/IVGui.h>
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#include "VGuiMatSurface/IMatSystemSurface.h"
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#include <vgui_controls/Panel.h>
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#include <vgui_controls/Controls.h>
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#include <vgui/IScheme.h>
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#include <vgui/ISurface.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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// Simultaneous message limit
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#define MAX_MESSAGECHARS_MESSAGES 1024
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#define MAX_MESSAGECHARSPANEL_LEN 1024
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//-----------------------------------------------------------------------------
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// Purpose: Panel for displaying console characters at specified locations
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//-----------------------------------------------------------------------------
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class CMessageCharsPanel : public vgui::Panel
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{
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typedef vgui::Panel BaseClass;
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public:
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// Internal pool of such messages
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typedef struct message_s
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{
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struct message_s *next;
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int x, y;
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byte r, g, b, a;
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char *text;
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vgui::HFont hCustomFont;
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float fTTL;
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int messageID;
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} message_t;
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// Construct/destruct
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CMessageCharsPanel( vgui::VPANEL parent );
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virtual ~CMessageCharsPanel( void );
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// Add block of text to list
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virtual int AddText(
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float flTime,
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vgui::HFont hCustomFont,
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int x,
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int y,
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int r,
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int g,
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int b,
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int a,
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char *fmt,
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int messageID,
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... );
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// Determine text side and height
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virtual void GetTextExtents( vgui::HFont hCustomFont, int *wide, int *tall, const char *string );
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virtual void ApplySchemeSettings(vgui::IScheme *pScheme);
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virtual void Paint();
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virtual void OnTick( void );
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virtual bool ShouldDraw( void );
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void RemoveStringsByID( int messageID );
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void Clear( void );
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private:
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// Allocate a new message
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message_t *AllocMessage( void );
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// Clear out all messages
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void Reset( void );
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vgui::HFont m_hFont;
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// Pool of messages
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message_t m_Messages[ MAX_MESSAGECHARS_MESSAGES ];
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message_t *m_pActive;
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message_t *m_pFree;
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *parent -
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// Output :
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//-----------------------------------------------------------------------------
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CMessageCharsPanel::CMessageCharsPanel( vgui::VPANEL parent ) :
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BaseClass( NULL, "CMessageCharsPanel" )
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{
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SetParent( parent );
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SetSize( ScreenWidth(), ScreenHeight() );
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SetPos( 0, 0 );
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SetVisible( true );
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SetCursor( null );
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SetKeyBoardInputEnabled( false );
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SetMouseInputEnabled( false );
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m_hFont = vgui::INVALID_FONT;
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SetFgColor( Color( 0, 0, 0, 255 ) );
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SetPaintBackgroundEnabled( false );
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Q_memset( m_Messages, 0, sizeof( m_Messages ) );
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Reset();
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vgui::ivgui()->AddTickSignal( GetVPanel(), 100 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output :
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//-----------------------------------------------------------------------------
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CMessageCharsPanel::~CMessageCharsPanel( void )
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{
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}
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void CMessageCharsPanel::ApplySchemeSettings(vgui::IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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m_hFont = pScheme->GetFont( "Default" );
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Assert( m_hFont != vgui::INVALID_FONT );
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SetSize( ScreenWidth(), ScreenHeight() );
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SetPos( 0, 0 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CMessageCharsPanel::Clear( void )
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{
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Reset();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Reset all messages
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//-----------------------------------------------------------------------------
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void CMessageCharsPanel::Reset( void )
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{
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m_pActive = NULL;
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int i;
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for( i = 0; i < MAX_MESSAGECHARS_MESSAGES-1; i++ )
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{
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if ( m_Messages[ i ].text )
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{
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delete[] m_Messages[ i ].text;
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m_Messages[ i ].text = NULL;
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}
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m_Messages[ i ].next = &m_Messages[ i + 1 ];
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}
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m_Messages[ i ].next = NULL;
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m_pFree = &m_Messages[ 0 ];
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SetVisible( false );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Allocate a message if possible
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// Output : CMessageCharsPanel::message_t
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//-----------------------------------------------------------------------------
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CMessageCharsPanel::message_t *CMessageCharsPanel::AllocMessage( void )
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{
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CMessageCharsPanel::message_t *msg;
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if ( !m_pFree )
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return NULL;
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msg = m_pFree;
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m_pFree = m_pFree->next;
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msg->next = m_pActive;
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m_pActive = msg;
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msg->x = 0;
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msg->y = 0;
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msg->text = NULL;
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msg->hCustomFont = NULL;
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return msg;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Allocate message and fill in data
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// Input : x -
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// y -
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// *fmt -
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// ... -
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// Output : int
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//-----------------------------------------------------------------------------
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int CMessageCharsPanel::AddText(
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float flTime,
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vgui::HFont hCustomFont,
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int x,
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int y,
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int r,
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int g,
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int b,
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int a,
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char *fmt,
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int messageID,
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... )
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{
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va_list argptr;
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char data[ MAX_MESSAGECHARSPANEL_LEN ];
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int len;
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va_start(argptr, messageID);
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len = Q_vsnprintf(data, sizeof( data ), fmt, argptr);
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va_end(argptr);
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data[ MAX_MESSAGECHARSPANEL_LEN - 1 ] = 0;
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CMessageCharsPanel::message_t *msg = AllocMessage();
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if ( !msg )
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return x;
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msg->x = x;
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msg->y = y;
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msg->r = r;
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msg->g = g;
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msg->b = b;
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msg->a = a;
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msg->messageID = messageID;
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Assert( !msg->text );
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int textLength = Q_strlen( data ) + 1;
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msg->text = new char[ textLength ];
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Assert( msg->text );
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Q_strncpy( msg->text, data, textLength );
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if ( flTime )
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msg->fTTL = gpGlobals->curtime + flTime;
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else
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msg->fTTL = 0;
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SetVisible( true );
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if ( hCustomFont )
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msg->hCustomFont = hCustomFont;
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else
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msg->hCustomFont = m_hFont;
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// Return new cursor position
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return x + g_pMatSystemSurface->DrawTextLen( msg->hCustomFont, data );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Determine text size ahead of time
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// Input : *wide -
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// *tall -
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// *string -
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//-----------------------------------------------------------------------------
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void CMessageCharsPanel::GetTextExtents( vgui::HFont hCustomFont, int *wide, int *tall, const char *string )
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{
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if ( !hCustomFont )
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{
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// Make sure we actually have the font...
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vgui::IScheme *pScheme = vgui::scheme()->GetIScheme( GetScheme() );
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hCustomFont = pScheme->GetFont( "Default" );
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}
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Assert( hCustomFont );
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*wide = g_pMatSystemSurface->DrawTextLen( hCustomFont, (char *)string );
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*tall = vgui::surface()->GetFontTall( hCustomFont );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CMessageCharsPanel::OnTick( void )
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{
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bool bVisible = ShouldDraw();
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if ( IsVisible() != bVisible )
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{
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SetVisible( bVisible );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool CMessageCharsPanel::ShouldDraw( void )
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{
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if ( !m_pActive )
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return false;
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input :
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//-----------------------------------------------------------------------------
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void CMessageCharsPanel::Paint()
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{
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CMessageCharsPanel::message_t *msg = m_pActive;
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while ( msg )
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{
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g_pMatSystemSurface->DrawColoredText( msg->hCustomFont, msg->x, msg->y, msg->r, msg->g, msg->b, msg->a, msg->text );
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msg = msg->next;
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}
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// Clear our dead messages
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message_t *pPrev = NULL;
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message_t *pCurrent = m_pActive;
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while ( pCurrent )
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{
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if ( pCurrent->fTTL <= gpGlobals->curtime )
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{
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// Move it to the free list
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if ( !pPrev )
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{
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m_pActive = pCurrent->next;
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}
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else
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{
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pPrev->next = pCurrent->next;
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}
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// Store off next one, because we're about to move the current
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message_t *pNext = pCurrent->next;
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delete[] pCurrent->text;
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pCurrent->text = NULL;
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pCurrent->next = m_pFree;
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m_pFree = pCurrent;
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// Don't advance pPrev
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pCurrent = pNext;
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continue;
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}
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pPrev = pCurrent;
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pCurrent = pCurrent->next;
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}
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}
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void CMessageCharsPanel::RemoveStringsByID( int messageID )
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{
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for ( message_t *pCurrent = m_pActive; pCurrent; pCurrent = pCurrent->next )
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{
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if ( pCurrent->messageID == messageID )
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pCurrent->fTTL = gpGlobals->curtime - 1000;
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}
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}
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class CMessageChars : public IMessageChars
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{
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private:
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CMessageCharsPanel *messageCharsPanel;
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public:
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CMessageChars( void )
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{
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messageCharsPanel = NULL;
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}
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void Create( vgui::VPANEL parent )
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{
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messageCharsPanel = new CMessageCharsPanel( parent );
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}
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void Destroy( void )
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{
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if ( messageCharsPanel )
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{
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messageCharsPanel->SetParent( (vgui::Panel *)NULL );
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delete messageCharsPanel;
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messageCharsPanel = NULL;
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}
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}
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int DrawStringForTime( float flTime, vgui::HFont hCustomFont, int x, int y, int r, int g, int b, int a, const char *fmt, int messageID, ... )
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{
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va_list argptr;
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char data[ MAX_MESSAGECHARSPANEL_LEN ];
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int len;
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va_start(argptr, messageID);
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len = Q_vsnprintf(data, sizeof( data ), fmt, argptr);
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va_end(argptr);
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data[ MAX_MESSAGECHARSPANEL_LEN - 1 ] = 0;
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if ( !messageCharsPanel )
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return x;
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return messageCharsPanel->AddText( flTime, hCustomFont, x, y, r, g, b, a, data, messageID );
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}
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int DrawStringForTime( float flTime, vgui::HFont hCustomFont, int x, int y, const char *fmt, int messageID, ... )
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{
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int r = 192, g = 192, b = 192;
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va_list argptr;
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va_start(argptr, messageID);
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int result = DrawString( hCustomFont, x, y, r, g, b, 255, fmt, messageID, argptr );
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va_end( argptr );
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return result;
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}
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virtual void RemoveStringsByID( int messageID )
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{
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messageCharsPanel->RemoveStringsByID( messageID );
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}
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int DrawString( vgui::HFont hCustomFont, int x, int y, int r, int g, int b, int a, const char *fmt, int messageID, ... )
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{
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va_list argptr;
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va_start(argptr, messageID);
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int result = DrawStringForTime( 0, hCustomFont, x, y, r, g, b, a, fmt, messageID, argptr );
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va_end( argptr );
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return result;
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}
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int DrawString( vgui::HFont hCustomFont, int x, int y, const char *fmt, int messageID, ... )
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{
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va_list argptr;
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va_start(argptr, messageID);
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int result = DrawStringForTime( 0, hCustomFont, x, y, fmt, messageID, argptr );
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va_end( argptr );
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return result;
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}
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void GetStringLength( vgui::HFont hCustomFont, int *width, int *height, const char *fmt, ... )
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{
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if ( !messageCharsPanel )
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{
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return;
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}
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va_list argptr;
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char data[ MAX_MESSAGECHARSPANEL_LEN ];
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int len;
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va_start(argptr, fmt);
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len = Q_vsnprintf(data, sizeof( data ), fmt, argptr);
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va_end(argptr);
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data[ MAX_MESSAGECHARSPANEL_LEN - 1 ] = 0;
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messageCharsPanel->GetTextExtents( hCustomFont, width, height, data );
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}
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void Clear( void )
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{
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if ( !messageCharsPanel )
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return;
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messageCharsPanel->Clear();
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}
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};
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static CMessageChars g_MessageChars;
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IMessageChars *messagechars = ( IMessageChars * )&g_MessageChars;
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