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250 lines
6.7 KiB
250 lines
6.7 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// tf_bot_seek_and_destroy.h |
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// Roam the environment, attacking victims |
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// Michael Booth, January 2010 |
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#include "cbase.h" |
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#include "tf_player.h" |
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#include "tf_gamerules.h" |
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#include "team_control_point_master.h" |
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#include "bot/tf_bot.h" |
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#include "bot/behavior/tf_bot_attack.h" |
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#include "bot/behavior/tf_bot_seek_and_destroy.h" |
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#include "bot/behavior/sniper/tf_bot_sniper_attack.h" |
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#include "nav_mesh.h" |
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extern ConVar tf_bot_path_lookahead_range; |
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extern ConVar tf_bot_offense_must_push_time; |
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extern ConVar tf_bot_defense_must_defend_time; |
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ConVar tf_bot_debug_seek_and_destroy( "tf_bot_debug_seek_and_destroy", "0", FCVAR_CHEAT ); |
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//--------------------------------------------------------------------------------------------- |
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CTFBotSeekAndDestroy::CTFBotSeekAndDestroy( float duration ) |
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{ |
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if ( duration > 0.0f ) |
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{ |
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m_giveUpTimer.Start( duration ); |
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} |
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} |
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//--------------------------------------------------------------------------------------------- |
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ActionResult< CTFBot > CTFBotSeekAndDestroy::OnStart( CTFBot *me, Action< CTFBot > *priorAction ) |
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{ |
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m_path.SetMinLookAheadDistance( me->GetDesiredPathLookAheadRange() ); |
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RecomputeSeekPath( me ); |
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CTeamControlPoint *point = me->GetMyControlPoint(); |
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m_isPointLocked = ( point && point->IsLocked() ); |
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// restart the timer if we have one |
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if ( m_giveUpTimer.HasStarted() ) |
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{ |
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m_giveUpTimer.Reset(); |
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} |
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return Continue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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ActionResult< CTFBot > CTFBotSeekAndDestroy::Update( CTFBot *me, float interval ) |
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{ |
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if ( m_giveUpTimer.HasStarted() && m_giveUpTimer.IsElapsed() ) |
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{ |
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return Done( "Behavior duration elapsed" ); |
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} |
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if ( TFGameRules()->IsInTraining() ) |
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{ |
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// if the trainee has started capturing the point, assist them |
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if ( me->IsAnyPointBeingCaptured() ) |
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{ |
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return Done( "Assist trainee in capturing the point" ); |
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} |
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} |
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else |
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{ |
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if ( me->IsCapturingPoint() ) |
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{ |
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return Done( "Keep capturing point I happened to stumble upon" ); |
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} |
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if ( m_isPointLocked ) |
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{ |
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CTeamControlPoint *point = me->GetMyControlPoint(); |
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if ( point && !point->IsLocked() ) |
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{ |
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return Done( "The point just unlocked" ); |
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} |
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} |
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if ( !TFGameRules()->RoundHasBeenWon() && me->GetTimeLeftToCapture() < tf_bot_offense_must_push_time.GetFloat() ) |
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{ |
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return Done( "Time to push for the objective" ); |
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} |
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} |
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const CKnownEntity *threat = me->GetVisionInterface()->GetPrimaryKnownThreat(); |
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if ( threat ) |
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{ |
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if ( TFGameRules()->RoundHasBeenWon() ) |
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{ |
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// hunt down the losers |
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return SuspendFor( new CTFBotAttack, "Chasing down the losers" ); |
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} |
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const float engageRange = 1000.0f; |
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if ( me->IsRangeLessThan( threat->GetLastKnownPosition(), engageRange ) ) |
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{ |
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return SuspendFor( new CTFBotAttack, "Going after an enemy" ); |
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} |
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} |
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// move towards our seek goal |
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m_path.Update( me ); |
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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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RecomputeSeekPath( me ); |
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} |
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return Continue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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ActionResult< CTFBot > CTFBotSeekAndDestroy::OnResume( CTFBot *me, Action< CTFBot > *interruptingAction ) |
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{ |
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RecomputeSeekPath( me ); |
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return Continue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnStuck( CTFBot *me ) |
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{ |
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RecomputeSeekPath( me ); |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnMoveToSuccess( CTFBot *me, const Path *path ) |
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{ |
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RecomputeSeekPath( me ); |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnMoveToFailure( CTFBot *me, const Path *path, MoveToFailureType reason ) |
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{ |
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RecomputeSeekPath( me ); |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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QueryResultType CTFBotSeekAndDestroy::ShouldRetreat( const INextBot *meBot ) const |
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{ |
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CTFBot *me = (CTFBot *)meBot->GetEntity(); |
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if ( me->IsPlayerClass( TF_CLASS_PYRO ) ) |
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{ |
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return ANSWER_NO; |
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} |
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return ANSWER_UNDEFINED; |
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} |
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//--------------------------------------------------------------------------------------------- |
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QueryResultType CTFBotSeekAndDestroy::ShouldHurry( const INextBot *me ) const |
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{ |
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return ANSWER_UNDEFINED; |
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} |
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//--------------------------------------------------------------------------------------------- |
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CTFNavArea *CTFBotSeekAndDestroy::ChooseGoalArea( CTFBot *me ) |
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{ |
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CUtlVector< CTFNavArea * > goalVector; |
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TheTFNavMesh()->CollectSpawnRoomThresholdAreas( &goalVector, GetEnemyTeam( me->GetTeamNumber() ) ); |
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CTeamControlPoint *point = me->GetMyControlPoint(); |
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if ( point && !point->IsLocked() ) |
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{ |
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// add current control point as a seek goal |
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const CUtlVector< CTFNavArea * > *controlPointAreas = TheTFNavMesh()->GetControlPointAreas( point->GetPointIndex() ); |
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if ( controlPointAreas && controlPointAreas->Count() > 0 ) |
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{ |
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goalVector.AddToTail( controlPointAreas->Element( RandomInt( 0, controlPointAreas->Count()-1 ) ) ); |
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} |
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} |
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if ( tf_bot_debug_seek_and_destroy.GetBool() ) |
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{ |
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for( int i=0; i<goalVector.Count(); ++i ) |
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{ |
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TheNavMesh->AddToSelectedSet( goalVector[i] ); |
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} |
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} |
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// pick a new goal |
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if ( goalVector.Count() > 0 ) |
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{ |
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return goalVector[ RandomInt( 0, goalVector.Count()-1 ) ]; |
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} |
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return NULL; |
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} |
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//--------------------------------------------------------------------------------------------- |
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void CTFBotSeekAndDestroy::RecomputeSeekPath( CTFBot *me ) |
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{ |
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m_goalArea = ChooseGoalArea( me ); |
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if ( m_goalArea ) |
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{ |
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CTFBotPathCost cost( me, SAFEST_ROUTE ); |
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m_path.Compute( me, m_goalArea->GetCenter(), cost ); |
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} |
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else |
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{ |
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m_path.Invalidate(); |
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} |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnTerritoryContested( CTFBot *me, int territoryID ) |
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{ |
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return TryDone( RESULT_IMPORTANT, "Defending the point" ); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnTerritoryCaptured( CTFBot *me, int territoryID ) |
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{ |
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return TryDone( RESULT_IMPORTANT, "Giving up due to point capture" ); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotSeekAndDestroy::OnTerritoryLost( CTFBot *me, int territoryID ) |
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{ |
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return TryDone( RESULT_IMPORTANT, "Giving up due to point lost" ); |
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} |
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