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game/client/tf/tf_hud_arena_player_count.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+
+#include "cbase.h"
+#include "hud.h"
+#include "hud_macros.h"
+#include "c_tf_player.h"
+#include "c_tf_team.h"
+#include "c_tf_playerresource.h"
+#include "iclientmode.h"
+#include "ienginevgui.h"
+#include "tf_gamerules.h"
+#include <vgui/ILocalize.h>
+#include <vgui/ISurface.h>
+#include <vgui/IVGui.h>
+#include <vgui_controls/EditablePanel.h>
+#include "c_tf_playerresource.h"
+#include "tf_hud_arena_player_count.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+using namespace vgui;
+
+
+DECLARE_HUDELEMENT( CHudArenaPlayerCount );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CHudArenaPlayerCount::CHudArenaPlayerCount( const char *pElementName ) : CHudElement( pElementName ), BaseClass( NULL, "HudArenaPlayerCount" )
+{
+	Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+
+	vgui::SETUP_PANEL( this );
+
+	vgui::ivgui()->AddTickSignal( GetVPanel(), 100 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudArenaPlayerCount::ApplySchemeSettings( IScheme *pScheme )
+{
+	// load control settings...
+	LoadControlSettings( "resource/UI/HudArenaPlayerCount.res" );
+
+	BaseClass::ApplySchemeSettings( pScheme );
+
+	m_pBlueTeam = dynamic_cast<EditablePanel *>( FindChildByName( "blueteam" ) );
+	if ( m_pBlueTeam )
+	{
+		m_pBlueTeam->SetDialogVariable( "blue_alive", "0" );
+	}
+
+	m_pRedTeam = dynamic_cast<EditablePanel *>( FindChildByName( "redteam" ) );
+	if ( m_pRedTeam )
+	{
+		m_pRedTeam->SetDialogVariable( "red_alive", "0" );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CHudArenaPlayerCount::ShouldDraw( void )
+{
+	C_TFPlayer *pLocalTFPlayer = C_TFPlayer::GetLocalTFPlayer();
+	if ( !pLocalTFPlayer )
+		return false;
+
+	if ( pLocalTFPlayer->GetObserverMode() == OBS_MODE_FREEZECAM )
+		return false;
+
+	if ( TFGameRules() && TFGameRules()->IsInArenaMode() && TFGameRules()->IsInWaitingForPlayers() == false )
+	{
+		if ( TFGameRules()->State_Get() != GR_STATE_PREROUND )
+		{
+			return CHudElement::ShouldDraw();
+		}
+	}
+
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudArenaPlayerCount::UpdateCounts( void )
+{
+	// update the team sections in the scoreboard
+	for ( int teamIndex = TF_TEAM_RED; teamIndex <= TF_TEAM_BLUE; teamIndex++ )
+	{
+		EditablePanel *pPanel = NULL;
+
+		// choose dialog variables to set depending on team
+		const char *pDialogVar = NULL;
+		switch ( teamIndex ) 
+		{
+			case TF_TEAM_RED:
+				pDialogVar = "red_alive";
+				pPanel = m_pRedTeam;
+				break;
+			case TF_TEAM_BLUE:
+				pDialogVar = "blue_alive";
+				pPanel = m_pBlueTeam;
+				break;
+			default:
+				Assert( false );
+				break;
+		}
+
+		if ( pPanel )
+		{
+			// update # of living players on each team
+			wchar_t wNumPlayers[6];
+			int nCount = g_TF_PR ? g_TF_PR->GetNumPlayersForTeam( teamIndex, true ) : 0;
+
+			_snwprintf( wNumPlayers, ARRAYSIZE( wNumPlayers ), L"%i", nCount );
+
+			pPanel->SetDialogVariable( pDialogVar, wNumPlayers );
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CHudArenaPlayerCount::OnTick( void )
+{
+	if ( !ShouldDraw() )
+		return;
+
+	UpdateCounts();
+}