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130 lines
3.6 KiB
130 lines
3.6 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// tf_bot_escort.cpp |
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// Move near an entity and protect it |
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// Michael Booth, April 2011 |
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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_escort.h" |
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#include "bot/behavior/tf_bot_attack.h" |
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#include "bot/behavior/demoman/tf_bot_prepare_stickybomb_trap.h" |
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#include "bot/behavior/tf_bot_destroy_enemy_sentry.h" |
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#include "nav_mesh.h" |
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extern ConVar tf_bot_path_lookahead_range; |
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ConVar tf_bot_escort_range( "tf_bot_escort_range", "300", FCVAR_CHEAT ); |
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//--------------------------------------------------------------------------------------------- |
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CTFBotEscort::CTFBotEscort( CBaseEntity *who ) |
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{ |
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SetWho( who ); |
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} |
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//--------------------------------------------------------------------------------------------- |
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void CTFBotEscort::SetWho( CBaseEntity *who ) |
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{ |
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m_who = who; |
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} |
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//--------------------------------------------------------------------------------------------- |
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CBaseEntity *CTFBotEscort::GetWho( void ) const |
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{ |
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return m_who; |
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} |
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//--------------------------------------------------------------------------------------------- |
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ActionResult< CTFBot > CTFBotEscort::OnStart( CTFBot *me, Action< CTFBot > *priorAction ) |
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{ |
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m_pathToWho.SetMinLookAheadDistance( me->GetDesiredPathLookAheadRange() ); |
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return Continue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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ActionResult< CTFBot > CTFBotEscort::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 SuspendFor( new CTFBotAttack, "Attacking nearby threat" ); |
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} |
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else |
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{ |
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// no enemy is visible - move near who we are escorting |
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if ( m_who != NULL ) |
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{ |
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if ( me->IsRangeGreaterThan( m_who, tf_bot_escort_range.GetFloat() ) ) |
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{ |
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if ( m_repathTimer.IsElapsed() ) |
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{ |
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CTFBotPathCost cost( me, FASTEST_ROUTE ); |
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m_pathToWho.Compute( me, m_who->GetAbsOrigin(), cost ); |
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m_repathTimer.Start( RandomFloat( 2.0f, 3.0f ) ); |
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} |
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m_pathToWho.Update( me ); |
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} |
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else |
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{ |
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if ( CTFBotPrepareStickybombTrap::IsPossible( me ) ) |
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{ |
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return SuspendFor( new CTFBotPrepareStickybombTrap, "Laying sticky bombs!" ); |
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} |
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} |
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} |
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// destroy enemy sentry guns we've encountered |
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if ( me->GetEnemySentry() && CTFBotDestroyEnemySentry::IsPossible( me ) ) |
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{ |
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return SuspendFor( new CTFBotDestroyEnemySentry, "Going after an enemy sentry to destroy it" ); |
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} |
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} |
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return Continue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotEscort::OnStuck( CTFBot *me ) |
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{ |
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m_repathTimer.Invalidate(); |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotEscort::OnMoveToSuccess( CTFBot *me, const Path *path ) |
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{ |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotEscort::OnMoveToFailure( CTFBot *me, const Path *path, MoveToFailureType reason ) |
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{ |
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return TryContinue(); |
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} |
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//--------------------------------------------------------------------------------------------- |
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QueryResultType CTFBotEscort::ShouldRetreat( const INextBot *me ) const |
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{ |
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return ANSWER_NO; |
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} |
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//--------------------------------------------------------------------------------------------- |
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EventDesiredResult< CTFBot > CTFBotEscort::OnCommandApproach( CTFBot *me, const Vector &pos, float range ) |
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{ |
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return TryContinue(); |
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}
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