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91 lines
2.5 KiB
91 lines
2.5 KiB
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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// tf_bot_move_to_vantage_point.h
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// Move to a position where at least one enemy is visible
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// Michael Booth, November 2009
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#include "cbase.h"
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#include "tf_player.h"
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#include "bot/tf_bot.h"
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#include "bot/behavior/tf_bot_move_to_vantage_point.h"
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#include "nav_mesh.h"
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extern ConVar tf_bot_path_lookahead_range;
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//---------------------------------------------------------------------------------------------
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CTFBotMoveToVantagePoint::CTFBotMoveToVantagePoint( float maxTravelDistance )
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{
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m_maxTravelDistance = maxTravelDistance;
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}
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//---------------------------------------------------------------------------------------------
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ActionResult< CTFBot > CTFBotMoveToVantagePoint::OnStart( CTFBot *me, Action< CTFBot > *priorAction )
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{
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m_path.SetMinLookAheadDistance( me->GetDesiredPathLookAheadRange() );
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m_vantageArea = me->FindVantagePoint( m_maxTravelDistance );
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if ( !m_vantageArea )
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{
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return Done( "No vantage point found" );
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}
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m_path.Invalidate();
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m_repathTimer.Invalidate();
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return Continue();
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}
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//---------------------------------------------------------------------------------------------
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ActionResult< CTFBot > CTFBotMoveToVantagePoint::Update( CTFBot *me, float interval )
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{
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const CKnownEntity *threat = me->GetVisionInterface()->GetPrimaryKnownThreat();
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if ( threat && threat->IsVisibleInFOVNow() )
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{
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return Done( "Enemy is visible" );
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}
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if ( !m_path.IsValid() && m_repathTimer.IsElapsed() )
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{
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m_repathTimer.Start( 1.0f );
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CTFBotPathCost cost( me, FASTEST_ROUTE );
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if ( !m_path.Compute( me, m_vantageArea->GetCenter(), cost ) )
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{
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return Done( "No path to vantage point exists" );
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}
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}
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// move along path to vantage point
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m_path.Update( me );
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return Continue();
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}
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//---------------------------------------------------------------------------------------------
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EventDesiredResult< CTFBot > CTFBotMoveToVantagePoint::OnStuck( CTFBot *me )
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{
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m_path.Invalidate();
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return TryContinue();
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}
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//---------------------------------------------------------------------------------------------
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EventDesiredResult< CTFBot > CTFBotMoveToVantagePoint::OnMoveToSuccess( CTFBot *me, const Path *path )
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{
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return TryDone( RESULT_CRITICAL, "Vantage point reached" );
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}
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//---------------------------------------------------------------------------------------------
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EventDesiredResult< CTFBot > CTFBotMoveToVantagePoint::OnMoveToFailure( CTFBot *me, const Path *path, MoveToFailureType reason )
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{
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m_path.Invalidate();
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return TryContinue();
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}
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