1HEADmaster

1 files changed, 303 insertions, 0 deletions

diff --git a/game/server/tf/halloween/zombie/zombie_behavior/zombie_attack.cpp b/game/server/tf/halloween/zombie/zombie_behavior/zombie_attack.cpp
new file mode 100644
index 0000000..0438e05
--- /dev/null
+++ b/game/server/tf/halloween/zombie/zombie_behavior/zombie_attack.cpp
@@ -0,0 +1,303 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+//
+//
+//=============================================================================
+#include "cbase.h"
+
+#include "tf_player.h"
+#include "tf_gamerules.h"
+#include "tf_team.h"
+#include "nav_mesh/tf_nav_area.h"
+
+#include "../zombie.h"
+#include "zombie_attack.h"
+#include "zombie_special_attack.h"
+
+#define ZOMBIE_CHASE_MIN_DURATION 3.0f
+
+ConVar tf_halloween_zombie_damage( "tf_halloween_zombie_damage", "10", FCVAR_CHEAT, "How much damage a zombie melee hit does." );
+
+
+//----------------------------------------------------------------------------------
+ActionResult< CZombie >	CZombieAttack::OnStart( CZombie *me, Action< CZombie > *priorAction )
+{
+	// smooth out the bot's path following by moving toward a point farther down the path
+	m_path.SetMinLookAheadDistance( 100.0f );
+
+	// start animation
+	me->GetBodyInterface()->StartActivity( ACT_MP_RUN_MELEE );
+
+	m_specialAttackTimer.Start( RandomFloat( 5.f, 10.f ) );
+
+	return Continue();
+}
+
+
+//----------------------------------------------------------------------------------
+bool CZombieAttack::IsPotentiallyChaseable( CZombie *me, CBaseCombatCharacter *victim )
+{
+	if ( !victim )
+	{
+		return false;
+	}
+
+	if ( !victim->IsAlive() )
+	{
+		// victim is dead - pick a new one
+		return false;
+	}
+
+	CTFNavArea *victimArea = (CTFNavArea *)victim->GetLastKnownArea();
+	if ( !victimArea || victimArea->HasAttributeTF( TF_NAV_SPAWN_ROOM_BLUE | TF_NAV_SPAWN_ROOM_RED ) )
+	{
+		// unreachable - pick a new victim
+		return false;
+	}
+
+	if ( victim->GetGroundEntity() != NULL )
+	{
+		Vector victimAreaPos;
+		victimArea->GetClosestPointOnArea( victim->GetAbsOrigin(), &victimAreaPos );
+		if ( ( victim->GetAbsOrigin() - victimAreaPos ).AsVector2D().IsLengthGreaterThan( 50.0f ) )
+		{
+			// off the mesh and unreachable - pick a new victim
+			return false;
+		}
+	}
+
+	return true;
+}
+
+
+//----------------------------------------------------------------------------------
+void CZombieAttack::SelectVictim( CZombie *me )
+{
+	if ( IsPotentiallyChaseable( me, m_attackTarget ) && !m_attackTargetFocusTimer.IsElapsed() )
+	{
+		// Continue chasing current target
+		return;
+	}
+
+	// pick a new victim to chase
+	CBaseCombatCharacter *newVictim = NULL;
+	CUtlVector< CTFPlayer * > playerVector;
+
+	// collect everyone
+	if ( me->GetTeamNumber() == TF_TEAM_RED )
+	{
+		CollectPlayers( &playerVector, TF_TEAM_BLUE, COLLECT_ONLY_LIVING_PLAYERS );
+	}
+	else if ( me->GetTeamNumber() == TF_TEAM_BLUE )
+	{
+		CollectPlayers( &playerVector, TF_TEAM_RED, COLLECT_ONLY_LIVING_PLAYERS );
+	}
+	else
+	{
+		CollectPlayers( &playerVector, TF_TEAM_RED, COLLECT_ONLY_LIVING_PLAYERS );
+		CollectPlayers( &playerVector, TF_TEAM_BLUE, COLLECT_ONLY_LIVING_PLAYERS, APPEND_PLAYERS );
+	}
+
+	float victimRangeSq = FLT_MAX;
+	// find closest player
+	for( int i=0; i<playerVector.Count(); ++i )
+	{
+		CTFPlayer *pPlayer = playerVector[i];
+		if ( !IsPotentiallyChaseable( me, pPlayer ) )
+		{
+			continue;
+		}
+
+		// ignore stealth player
+		if ( pPlayer->m_Shared.IsStealthed() )
+		{
+			if ( !pPlayer->m_Shared.InCond( TF_COND_BURNING ) &&
+				!pPlayer->m_Shared.InCond( TF_COND_URINE ) &&
+				!pPlayer->m_Shared.InCond( TF_COND_STEALTHED_BLINK ) &&
+				!pPlayer->m_Shared.InCond( TF_COND_BLEEDING ) )
+			{
+				// cloaked spies are invisible to us
+				continue;
+			}
+		}
+
+		// ignore player who disguises as my team
+		if ( pPlayer->m_Shared.InCond( TF_COND_DISGUISED ) && pPlayer->m_Shared.GetDisguiseTeam() == me->GetTeamNumber() )
+		{
+			continue;
+		}
+
+		// ignore ghost players
+		if ( pPlayer->m_Shared.InCond( TF_COND_HALLOWEEN_GHOST_MODE ) )
+		{
+			continue;
+		}
+
+		float rangeSq = me->GetRangeSquaredTo( pPlayer );
+		if ( rangeSq < victimRangeSq )
+		{
+			newVictim = pPlayer;
+			victimRangeSq = rangeSq;
+		}
+	}
+
+	// find closest zombie
+	for ( int i=0; i<IZombieAutoList::AutoList().Count(); ++i )
+	{
+		CZombie* pZombie = static_cast< CZombie* >( IZombieAutoList::AutoList()[i] );
+		if ( pZombie->GetTeamNumber() == me->GetTeamNumber() )
+		{
+			continue;
+		}
+
+		if ( !IsPotentiallyChaseable( me, pZombie ) )
+		{
+			continue;
+		}
+
+		float rangeSq = me->GetRangeSquaredTo( pZombie );
+		if ( rangeSq < victimRangeSq )
+		{
+			newVictim = pZombie;
+			victimRangeSq = rangeSq;
+		}
+	}
+
+	if ( newVictim )
+	{
+		// we have a new victim
+		m_attackTargetFocusTimer.Start( ZOMBIE_CHASE_MIN_DURATION );
+	}
+
+	m_attackTarget = newVictim;
+}
+
+
+//----------------------------------------------------------------------------------
+ActionResult< CZombie >	CZombieAttack::Update( CZombie *me, float interval )
+{
+	if ( !me->IsAlive() )
+	{
+		return Done();
+	}
+
+	if ( !m_tauntTimer.IsElapsed() )
+	{
+		// wait for taunt to finish
+		return Continue();
+	}
+
+	SelectVictim( me );
+
+	if ( m_attackTarget == NULL || !m_attackTarget->IsAlive() )
+	{
+		return Continue();
+	}
+
+	// chase after our chase victim
+	const float standAndSwingRange = 50.0f;
+
+	bool isLineOfSightClear = me->IsLineOfSightClear( m_attackTarget );
+
+	if ( me->IsRangeGreaterThan( m_attackTarget, standAndSwingRange ) || !isLineOfSightClear )
+	{
+		if ( m_path.GetAge() > 0.5f )
+		{
+			CZombiePathCost cost( me );
+			m_path.Compute( me, m_attackTarget, cost );
+		}
+
+		m_path.Update( me );
+	}
+
+	// claw at attack target if they are in range
+	const float zombieSwingRange = 150.0f;
+	if ( me->IsRangeLessThan( m_attackTarget, zombieSwingRange ) )
+	{
+		me->GetLocomotionInterface()->FaceTowards( m_attackTarget->WorldSpaceCenter() );
+
+		// swing!
+		if ( !me->IsPlayingGesture( ACT_MP_ATTACK_STAND_MELEE ) )
+		{
+			me->AddGesture( ACT_MP_ATTACK_STAND_MELEE );
+		}
+
+		const float zombieAttackRange = me->GetAttackRange();
+		if ( me->IsRangeLessThan( m_attackTarget, zombieAttackRange ) )
+		{
+			if ( me->GetSkeletonType() == 1 && m_specialAttackTimer.IsElapsed() )
+			{
+				m_specialAttackTimer.Start( RandomFloat( 5.f, 10.f ) );
+				return SuspendFor( new CZombieSpecialAttack, "Do Special Attack!" );
+			}
+
+			if ( m_attackTimer.IsElapsed() )
+			{
+				m_attackTimer.Start( RandomFloat( 0.8f, 1.2f ) );
+
+				Vector toVictim = m_attackTarget->WorldSpaceCenter() - me->WorldSpaceCenter();
+				toVictim.NormalizeInPlace();
+
+				// hit!
+				CBaseEntity *pAttacker = me->GetOwnerEntity() ? me->GetOwnerEntity() : me;
+				CTakeDamageInfo info( pAttacker, pAttacker, me->GetAttackDamage(), DMG_SLASH );
+				info.SetDamageCustom( TF_DMG_CUSTOM_SPELL_SKELETON );
+				CalculateMeleeDamageForce( &info, toVictim, me->WorldSpaceCenter(), 5.0f );
+				m_attackTarget->TakeDamage( info );
+			}
+		}
+	}
+
+	if ( !me->GetBodyInterface()->IsActivity( ACT_MP_RUN_MELEE ) )
+	{
+		me->GetBodyInterface()->StartActivity( ACT_MP_RUN_MELEE );
+	}
+
+	return Continue();
+}
+
+
+//---------------------------------------------------------------------------------------------
+EventDesiredResult< CZombie > CZombieAttack::OnStuck( CZombie *me )
+{
+	// if we're stuck just die
+	CTakeDamageInfo info( me, me, 99999.9f, DMG_SLASH );
+	me->TakeDamage( info );
+
+	return TryContinue( RESULT_TRY );
+}
+
+
+//---------------------------------------------------------------------------------------------
+EventDesiredResult< CZombie > CZombieAttack::OnContact( CZombie *me, CBaseEntity *other, CGameTrace *result )
+{
+	if ( other->IsPlayer() )
+	{
+		CTFPlayer *pTFPlayer = ToTFPlayer( other );
+		if ( pTFPlayer )
+		{
+			if ( pTFPlayer->IsAlive() && me->GetTeamNumber() != TF_TEAM_HALLOWEEN && me->GetTeamNumber() != pTFPlayer->GetTeamNumber() )
+			{
+				// force attack the thing we bumped into
+				// this prevents us from being stuck on dispensers, for example
+				m_attackTarget = pTFPlayer;
+				m_attackTargetFocusTimer.Start( ZOMBIE_CHASE_MIN_DURATION );
+			}
+		}
+	}
+
+	return TryContinue( RESULT_TRY );
+}
+
+
+//---------------------------------------------------------------------------------------------
+EventDesiredResult< CZombie > CZombieAttack::OnOtherKilled( CZombie *me, CBaseCombatCharacter *victim, const CTakeDamageInfo &info )
+{
+	/*if ( victim && victim->IsPlayer() && me->GetLocomotionInterface()->IsOnGround() )
+	{
+		me->AddGestureSequence( me->LookupSequence( "taunt06" ) );
+		m_tauntTimer.Start( 3.0f );
+	}*/
+
+	return TryContinue( RESULT_TRY );
+}