415 lines
9.5 KiB
C++
415 lines
9.5 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 "itextmessage.h"
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#include <vgui_controls/Panel.h>
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#include <vgui/IVGui.h>
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#include <vgui/ILocalize.h>
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#include "VGuiMatSurface/IMatSystemSurface.h"
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#include <vgui_controls/Controls.h>
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#include <vgui/ISurface.h>
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#include "hud.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_TEXTMESSAGE_CHARS 2048
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//-----------------------------------------------------------------------------
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// Purpose: For rendering the Titles.txt characters to the screen from the HUD
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//-----------------------------------------------------------------------------
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class CTextMessagePanel : public vgui::Panel
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{
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typedef vgui::Panel BaseClass;
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public:
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enum
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{
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TYPE_UNKNOWN = 0,
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TYPE_POSITION,
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TYPE_CHARACTER,
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TYPE_FONT,
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};
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struct message_t
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{
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vgui::HFont font;
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short x, y;
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wchar_t ch;
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byte type;
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byte r, g, b, a;
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};
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CTextMessagePanel( vgui::VPANEL parent );
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virtual ~CTextMessagePanel( void );
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virtual void SetPosition( int x, int y );
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virtual void AddChar( int r, int g, int b, int a, wchar_t ch );
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virtual void GetTextExtents( int *wide, int *tall, const char *string );
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virtual void SetFont( vgui::HFont hCustomFont );
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virtual void SetDefaultFont( void );
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virtual void OnTick( void );
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virtual void Paint();
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virtual bool ShouldDraw( void );
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// Get character data for textmessage text
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virtual int GetFontInfo( FONTABC *pABCs, vgui::HFont hFont );
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virtual void ApplySchemeSettings( vgui::IScheme *pScheme )
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{
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BaseClass::ApplySchemeSettings( pScheme );
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SetSize( ScreenWidth(), ScreenHeight() );
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SetPos( 0, 0 );
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}
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private:
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message_t *AllocMessage( void );
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void Reset( void );
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vgui::HFont m_hFont;
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vgui::HFont m_hDefaultFont;
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CUtlVector< message_t > m_Messages;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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// Input : *parent -
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//-----------------------------------------------------------------------------
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CTextMessagePanel::CTextMessagePanel( vgui::VPANEL parent )
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: BaseClass( NULL, "CTextMessagePanel" )
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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( false );
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SetCursor( null );
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SetKeyBoardInputEnabled( false );
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SetMouseInputEnabled( false );
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m_hFont = g_hFontTrebuchet24;
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m_hDefaultFont = m_hFont;
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SetFgColor( Color( 0, 0, 0, 255 ) );
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SetPaintBackgroundEnabled( false );
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// Clear memory out
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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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//-----------------------------------------------------------------------------
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CTextMessagePanel::~CTextMessagePanel( void )
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Get font sizes
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// Input : *pWidth -
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// Output : int
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//-----------------------------------------------------------------------------
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int CTextMessagePanel::GetFontInfo( FONTABC *pABCs, vgui::HFont hFont )
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{
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int i;
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if ( !hFont )
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{
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hFont = m_hFont;
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}
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if ( !hFont )
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return 0;
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if ( pABCs )
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{
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for ( i =0; i < 256; i++ )
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{
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int a, b, c;
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vgui::surface()->GetCharABCwide( hFont, (char)i, a, b, c );
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pABCs[i].abcA = a;
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pABCs[i].abcB = b;
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pABCs[i].abcC = c;
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pABCs[i].total = a+b+c;
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}
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}
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return vgui::surface()->GetFontTall( hFont );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Clear all messages out of active list, etc.
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::Reset( void )
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{
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m_Messages.Purge();
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SetVisible( false );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Grab next free message, if any
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// Output : CTextMessagePanel::message_t
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//-----------------------------------------------------------------------------
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CTextMessagePanel::message_t *CTextMessagePanel::AllocMessage( void )
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{
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CTextMessagePanel::message_t *msg;
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if ( m_Messages.Count() >= MAX_TEXTMESSAGE_CHARS )
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return NULL;
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msg = &m_Messages[ m_Messages.AddToTail() ];
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msg->type = TYPE_UNKNOWN;
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msg->x = 0;
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msg->y = 0;
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msg->ch = 0;
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msg->r = 0;
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msg->g = 0;
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msg->b = 0;
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msg->a = 0;
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SetVisible( true );
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return msg;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : x -
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// y -
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::SetPosition( int x, int y )
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{
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CTextMessagePanel::message_t *msg = AllocMessage();
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if ( !msg )
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return;
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msg->type = TYPE_POSITION;
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// Used fields
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msg->x = x;
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msg->y = y;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Adds a character to the active list, if possible
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// Input : x -
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// y -
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// r -
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// g -
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// b -
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// a -
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// ch -
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// Output : int
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::AddChar( int r, int g, int b, int a, wchar_t ch )
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{
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CTextMessagePanel::message_t *msg = AllocMessage();
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if ( !msg )
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return;
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msg->type = TYPE_CHARACTER;
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// Used fields
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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->ch = ch;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Determine width and height of specified string
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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 CTextMessagePanel::GetTextExtents( int *wide, int *tall, const char *string )
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{
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*wide = g_pMatSystemSurface->DrawTextLen( m_hFont, "%s", (char *)string );
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*tall = vgui::surface()->GetFontTall( m_hFont );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::SetFont( vgui::HFont hCustomFont )
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{
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m_hFont = hCustomFont;
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CTextMessagePanel::message_t *msg = AllocMessage();
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if ( !msg )
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return;
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msg->type = TYPE_FONT;
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// Used fields
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msg->font = m_hFont;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::SetDefaultFont( void )
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{
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SetFont( m_hDefaultFont );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::OnTick( void )
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{
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SetVisible( ShouldDraw() );
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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 CTextMessagePanel::ShouldDraw( void )
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{
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if ( !m_Messages.Count() )
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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: Draw current text items
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//-----------------------------------------------------------------------------
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void CTextMessagePanel::Paint()
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{
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CTextMessagePanel::message_t *msg;
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int xpos = 0, ypos = 0;
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vgui::surface()->DrawSetTextFont( m_hFont );
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int messageCount = m_Messages.Count();
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for ( int i = 0 ; i < messageCount; ++i )
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{
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msg = &m_Messages[ i ];
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switch ( msg->type )
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{
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default:
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case TYPE_UNKNOWN:
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Assert( 0 );
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break;
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case TYPE_POSITION:
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xpos = msg->x;
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ypos = msg->y;
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break;
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case TYPE_FONT:
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m_hFont = msg->font;
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vgui::surface()->DrawSetTextFont( m_hFont );
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break;
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case TYPE_CHARACTER:
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if ( m_hFont )
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{
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int a, b, c;
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vgui::surface()->GetCharABCwide( m_hFont, msg->ch, a, b, c );
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if ( msg->ch > 32 )
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{
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vgui::surface()->DrawSetTextColor( msg->r, msg->g, msg->b, msg->a );
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vgui::surface()->DrawSetTextPos( xpos, ypos );
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vgui::surface()->DrawUnicodeChar( msg->ch );
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}
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xpos += a + b + c;
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}
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break;
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}
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}
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Reset();
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}
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class CTextMessage : public ITextMessage
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{
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private:
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CTextMessagePanel *textMessagePanel;
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public:
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CTextMessage( void )
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{
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textMessagePanel = NULL;
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}
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void Create( vgui::VPANEL parent )
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{
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textMessagePanel = new CTextMessagePanel( parent );
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}
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void Destroy( void )
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{
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if ( textMessagePanel )
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{
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textMessagePanel->SetParent( (vgui::Panel *)NULL );
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delete textMessagePanel;
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}
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}
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void SetPosition( int x, int y )
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{
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if ( !textMessagePanel )
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return;
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textMessagePanel->SetPosition( x, y );
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}
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void AddChar( int r, int g, int b, int a, wchar_t ch )
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{
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if ( !textMessagePanel )
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return;
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textMessagePanel->AddChar( r, g, b, a, ch );
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}
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void GetLength( int *wide, int *tall, const char *string )
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{
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if ( !textMessagePanel )
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{
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*wide = *tall = 0;
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return;
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}
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textMessagePanel->GetTextExtents( wide, tall, string );
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}
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int GetFontInfo( FONTABC *pABCs, vgui::HFont hFont )
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{
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return textMessagePanel ? textMessagePanel->GetFontInfo( pABCs, hFont ) : 0;
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}
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void SetFont( vgui::HFont hCustomFont )
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{
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if ( !textMessagePanel )
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return;
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textMessagePanel->SetFont( hCustomFont );
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}
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void SetDefaultFont( void )
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{
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if ( !textMessagePanel )
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return;
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textMessagePanel->SetDefaultFont();
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}
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};
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static CTextMessage g_TextMessage;
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ITextMessage *textmessage = &g_TextMessage;
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