add hl1,portal,dod source code

game/client/dod/dod_hud_spec_crosshair.cpp

@@ -0,0 +1,87 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "hud.h"
+#include "dod_hud_spec_crosshair.h"
+#include "iclientmode.h"
+#include "view.h"
+#include "vgui_controls/Controls.h"
+#include "vgui/ISurface.h"
+#include "ivrenderview.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//ConVar crosshair( "crosshair", "1", FCVAR_ARCHIVE );
+//ConVar cl_observercrosshair( "cl_observercrosshair", "1", FCVAR_ARCHIVE );
+
+using namespace vgui;
+
+int ScreenTransform( const Vector& point, Vector& screen );
+
+DECLARE_HUDELEMENT( CHudSpecCrosshair );
+
+CHudSpecCrosshair::CHudSpecCrosshair( const char *pElementName ) :
+  CHudElement( pElementName ), BaseClass( NULL, "HudSpecCrosshair" )
+{
+	vgui::Panel *pParent = g_pClientMode->GetViewport();
+	SetParent( pParent );
+
+	m_pCrosshair = 0;
+
+	m_clrCrosshair = Color( 255, 255, 255, 255 );
+
+	SetHiddenBits( HIDEHUD_CROSSHAIR );
+}
+
+void CHudSpecCrosshair::ApplySchemeSettings( IScheme *scheme )
+{
+	BaseClass::ApplySchemeSettings( scheme );
+
+	m_pCrosshair = gHUD.GetIcon("crosshair_default");
+
+	SetPaintBackgroundEnabled( false );
+}
+
+void CHudSpecCrosshair::Paint( void )
+{
+	if ( !g_pClientMode->ShouldDrawCrosshair() )
+		return;
+
+	if ( !m_pCrosshair )
+		return;
+
+	if ( engine->IsDrawingLoadingImage() || engine->IsPaused() )
+		return;
+	
+	C_BasePlayer* pPlayer = C_BasePlayer::GetLocalPlayer();
+
+	if ( !pPlayer )
+		return;
+
+	// draw a crosshair only if alive or spectating in eye
+	bool shouldDraw = false;
+
+	if ( pPlayer->GetObserverMode() == OBS_MODE_ROAMING /*&& cl_observercrosshair.GetBool()*/ )
+		shouldDraw = true;
+
+	if ( !shouldDraw )
+		return;
+
+	if ( pPlayer->entindex() != render->GetViewEntity() )
+		return;
+
+	float x, y;
+	x = ScreenWidth()/2;
+	y = ScreenHeight()/2;
+
+	m_pCrosshair->DrawSelf( 
+			x - 0.5f * m_pCrosshair->Width(), 
+			y - 0.5f * m_pCrosshair->Height(),
+			m_clrCrosshair );
+}