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90 lines
2.5 KiB
90 lines
2.5 KiB
//========= 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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