diff options
Diffstat (limited to 'game/server/tf/bot/behavior/spy/tf_bot_spy_hide.cpp')
| -rw-r--r-- | game/server/tf/bot/behavior/spy/tf_bot_spy_hide.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/game/server/tf/bot/behavior/spy/tf_bot_spy_hide.cpp b/game/server/tf/bot/behavior/spy/tf_bot_spy_hide.cpp new file mode 100644 index 0000000..2a35b31 --- /dev/null +++ b/game/server/tf/bot/behavior/spy/tf_bot_spy_hide.cpp @@ -0,0 +1,236 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// tf_bot_spy_hide.cpp +// Move to a hiding spot +// Michael Booth, September 2011 + +#include "cbase.h" +#include "tf_player.h" +#include "bot/tf_bot.h" +#include "bot/behavior/spy/tf_bot_spy_hide.h" +#include "bot/behavior/spy/tf_bot_spy_lurk.h" +#include "bot/behavior/spy/tf_bot_spy_attack.h" + + +//--------------------------------------------------------------------------------------------- +CTFBotSpyHide::CTFBotSpyHide( CTFPlayer *victim ) +{ + m_initialVictim = victim; +} + + +//--------------------------------------------------------------------------------------------- +ActionResult< CTFBot > CTFBotSpyHide::OnStart( CTFBot *me, Action< CTFBot > *priorAction ) +{ + m_hidingSpot = NULL; + m_findTimer.Invalidate(); + m_isAtGoal = false; + + CTFNavArea *myArea = me->GetLastKnownArea(); + + int enemyTeam = GetEnemyTeam( me->GetTeamNumber() ); + + m_incursionThreshold = myArea ? myArea->GetIncursionDistance( enemyTeam ) : FLT_MAX; + if ( m_incursionThreshold < 0.0f ) + { + m_incursionThreshold = FLT_MAX; + } + + m_talkTimer.Start( RandomFloat( 5.0f, 10.0f ) ); + + return Continue(); +} + + +//--------------------------------------------------------------------------------------------- +ActionResult< CTFBot > CTFBotSpyHide::Update( CTFBot *me, float interval ) +{ + if ( m_initialVictim != NULL && !me->GetVisionInterface()->IsIgnored( m_initialVictim ) ) + { + return SuspendFor( new CTFBotSpyAttack( m_initialVictim ), "Going after our initial victim" ); + } + + // go after victims we've gotten behind + const CKnownEntity *threat = me->GetVisionInterface()->GetPrimaryKnownThreat(); + if ( threat && threat->GetTimeSinceLastKnown() < 3.0f ) + { + CTFPlayer *victim = ToTFPlayer( threat->GetEntity() ); + if ( victim ) + { + const float attackRange = 750.0f; + if ( me->IsRangeLessThan( victim, attackRange ) ) + { + if ( !victim->IsLookingTowards( me ) || victim->IsFiringWeapon() ) + { + return SuspendFor( new CTFBotSpyAttack( victim ), "Opportunistic attack or self defense!" ); + } + } + } + } + + if ( m_talkTimer.IsElapsed() ) + { + m_talkTimer.Start( RandomFloat( 5.0f, 10.0f ) ); + me->EmitSound( "Spy.TeaseVictim" ); + } + + if ( m_isAtGoal ) + { + // Quiet everyone! We are hiding now! + CTFNavArea *myArea = me->GetLastKnownArea(); + if ( myArea ) + { + int enemyTeam = GetEnemyTeam( me->GetTeamNumber() ); + + m_incursionThreshold = myArea->GetIncursionDistance( enemyTeam ); + } + + return SuspendFor( new CTFBotSpyLurk, "Reached hiding spot - lurking" ); + } + + if ( m_hidingSpot == NULL && m_findTimer.IsElapsed() ) + { + FindHidingSpot( me ); + } + + // move to our hiding spot + m_path.Update( me ); + + // path following may invalidate our hiding spot (OnMoveToFailure()) + if ( m_hidingSpot == NULL ) + { + return Continue(); + } + + if ( m_repathTimer.IsElapsed() ) + { + m_repathTimer.Start( RandomFloat( 0.3f, 0.5f ) ); + + CTFBotPathCost cost( me, SAFEST_ROUTE ); + m_path.Compute( me, m_hidingSpot->GetPosition(), cost ); + } + + return Continue(); +} + + +//--------------------------------------------------------------------------------------------- +ActionResult< CTFBot > CTFBotSpyHide::OnResume( CTFBot *me, Action< CTFBot > *interruptingAction ) +{ + m_hidingSpot = NULL; + m_isAtGoal = false; + m_initialVictim = NULL; + + return Continue(); +} + + +//--------------------------------------------------------------------------------------------- +EventDesiredResult< CTFBot > CTFBotSpyHide::OnMoveToSuccess( CTFBot *me, const Path *path ) +{ + m_isAtGoal = true; + + return TryContinue( RESULT_CRITICAL ); +} + + +//--------------------------------------------------------------------------------------------- +EventDesiredResult< CTFBot > CTFBotSpyHide::OnMoveToFailure( CTFBot *me, const Path *path, MoveToFailureType reason ) +{ + m_hidingSpot = NULL; + m_isAtGoal = false; + + return TryContinue( RESULT_IMPORTANT ); +} + + +//--------------------------------------------------------------------------------------------- +QueryResultType CTFBotSpyHide::ShouldAttack( const INextBot *me, const CKnownEntity *them ) const +{ + return ANSWER_NO; +} + +struct IncursionEntry_t +{ + int team; + CTFNavArea *area; +}; + +//--------------------------------------------------------------------------------------------- +class SpyHideIncursionDistanceLess +{ +public: + bool Less( const IncursionEntry_t &src1, const IncursionEntry_t &src2, void *pCtx ) + { + return src1.area->GetIncursionDistance( src1.team ) < src2.area->GetIncursionDistance( src2.team ); + } +}; + + +//--------------------------------------------------------------------------------------------- +bool CTFBotSpyHide::FindHidingSpot( CTFBot *me ) +{ + CTFNavArea *myArea = me->GetLastKnownArea(); + if ( !myArea ) + { + return false; + } + + m_hidingSpot = NULL; + + // find a spot to hide + const float maxRange = 3500.0f; + CUtlVector< CNavArea * > nearbyVector; + CollectSurroundingAreas( &nearbyVector, me->GetLastKnownArea(), maxRange, + 500.0f, 500.0f ); + + CUtlSortVector< IncursionEntry_t, SpyHideIncursionDistanceLess > hidingSpotVector; + + float maxIncursion = m_incursionThreshold + 1000.0f; + + int enemyTeam = GetEnemyTeam( me->GetTeamNumber() ); + + // if we are standing in an area the defenders can't reach, don't limit + if ( myArea->GetIncursionDistance( enemyTeam ) < 0.0f ) + { + maxIncursion = 9999999; + } + + for( int i=0; i<nearbyVector.Count(); ++i ) + { + CTFNavArea *area = (CTFNavArea *)nearbyVector[i]; + + if ( area->GetHidingSpots()->Count() <= 0 ) + { + continue; + } + + if ( area->GetIncursionDistance( enemyTeam ) < 0 ) + { + continue; + } + + // keep pushing inwards towards defender's spawn + if ( area->GetIncursionDistance( enemyTeam ) > maxIncursion ) + { + continue; + } + + IncursionEntry_t entry = { enemyTeam, area }; + hidingSpotVector.Insert( entry ); + } + + if ( hidingSpotVector.Count() <= 0 ) + { + return false; + } + + // penetrate as far as we can + int which = RandomInt( 0, hidingSpotVector.Count()/2 ); + CTFNavArea *whichArea = hidingSpotVector[ which ].area; + + const HidingSpotVector *hidingSpots = whichArea->GetHidingSpots(); + + m_hidingSpot = hidingSpots->Element( RandomInt( 0, hidingSpots->Count()-1 ) ); + + return true; +} |