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game/client/tf/c_func_forcefield.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================
+#include "cbase.h"
+#include "tf_shareddefs.h"
+#include "tf_gamerules.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class C_FuncForceField : public C_BaseEntity
+{
+	DECLARE_CLASS( C_FuncForceField, C_BaseEntity );
+public:
+	DECLARE_CLIENTCLASS();
+
+	virtual int DrawModel( int flags ) OVERRIDE;
+	virtual bool ShouldCollide( int collisionGroup, int contentsMask ) const OVERRIDE;
+};
+
+IMPLEMENT_CLIENTCLASS_DT( C_FuncForceField, DT_FuncForceField, CFuncForceField )
+END_RECV_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+int C_FuncForceField::DrawModel( int flags )
+{
+	// Don't draw for anyone during a team win
+	if ( TFGameRules()->State_Get() == GR_STATE_TEAM_WIN )
+		return 1;
+
+	return BaseClass::DrawModel( flags );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Enemy players collide with us, except during a team win
+//-----------------------------------------------------------------------------
+bool C_FuncForceField::ShouldCollide( int collisionGroup, int contentsMask ) const
+{
+	// Force fields are off during a team win
+	if ( TFGameRules()->State_Get() == GR_STATE_TEAM_WIN )
+		return false;
+
+	if ( GetTeamNumber() == TEAM_UNASSIGNED )
+		return false;
+
+	if ( collisionGroup == COLLISION_GROUP_PLAYER_MOVEMENT )
+	{
+		switch ( GetTeamNumber() )
+		{
+		case TF_TEAM_BLUE:
+			if ( !( contentsMask & CONTENTS_BLUETEAM ) )
+				return false;
+			break;
+
+		case TF_TEAM_RED:
+			if ( !( contentsMask & CONTENTS_REDTEAM ) )
+				return false;
+			break;
+		}
+
+		return true;
+	}
+
+	return false;
+}