C++ HasConditions函数代码示例

//=========================================================
// GetSchedule - Decides which type of schedule best suits
// the monster's current state and conditions. Then calls
// monster's member function to get a pointer to a schedule
// of the proper type.
//=========================================================
Schedule_t *CController :: GetSchedule ( void )
{
	switch	( m_MonsterState )
	{
	case MONSTERSTATE_IDLE:
		break;

	case MONSTERSTATE_ALERT:
		break;

	case MONSTERSTATE_COMBAT:
		{
			Vector vecTmp = Intersect( Vector( 0, 0, 0 ), Vector( 100, 4, 7 ), Vector( 2, 10, -3 ), 20.0 );

			// dead enemy
			if ( HasConditions ( bits_COND_LIGHT_DAMAGE ) )
			{
				// m_iFrustration++;
			}
			if ( HasConditions ( bits_COND_HEAVY_DAMAGE ) )
			{
				// m_iFrustration++;
			}
		}
		break;
	}

	return CSquadMonster :: GetSchedule();
}

//=========================================================
// FScheduleValid - returns TRUE as long as the current
// schedule is still the proper schedule to be executing,
// taking into account all conditions
//=========================================================
BOOL CBaseMonster :: FScheduleValid ( void )
{
	if ( m_pSchedule == NULL )
	{
		// schedule is empty, and therefore not valid.
		return FALSE;
	}

	if ( HasConditions( m_pSchedule->iInterruptMask | bits_COND_SCHEDULE_DONE | bits_COND_TASK_FAILED ) )
	{
#ifdef DEBUG
		if ( HasConditions ( bits_COND_TASK_FAILED ) && m_failSchedule == SCHED_NONE )
		{
			// fail! Send a visual indicator.
			Vector tmp = pev->origin;
			tmp.z = pev->absmax.z + 16;
			UTIL_Sparks( tmp );
		}
#endif // DEBUG

		// some condition has interrupted the schedule, or the schedule is done
		return FALSE;
	}
	
	return TRUE;
}

//=========================================================
// GetSchedule 
//=========================================================
Schedule_t *CHoundeye :: GetSchedule( void )
{
	switch	( m_MonsterState )
	{
	case MONSTERSTATE_COMBAT:
		{
// dead enemy
			if ( HasConditions( bits_COND_ENEMY_DEAD ) )
			{
				// call base class, all code to handle dead enemies is centralized there.
				return CBaseMonster :: GetSchedule();
			}

			if ( HasConditions( bits_COND_LIGHT_DAMAGE | bits_COND_HEAVY_DAMAGE ) )
			{
				if ( RANDOM_FLOAT( 0 , 1 ) <= 0.4 )
				{
					TraceResult tr;
					UTIL_MakeVectors( pev->angles );
					UTIL_TraceHull( pev->origin, pev->origin + gpGlobals->v_forward * -128, dont_ignore_monsters, head_hull, ENT( pev ), &tr );

					if ( tr.flFraction == 1.0 )
					{
						// it's clear behind, so the hound will jump
						return GetScheduleOfType ( SCHED_HOUND_HOP_RETREAT );
					}
				}

				return GetScheduleOfType ( SCHED_TAKE_COVER_FROM_ENEMY );
			}

			if ( HasConditions( bits_COND_CAN_RANGE_ATTACK1 ) )
			{
				if ( OccupySlot ( bits_SLOTS_HOUND_ATTACK ) )
				{
					return GetScheduleOfType ( SCHED_RANGE_ATTACK1 );
				}

				return GetScheduleOfType ( SCHED_HOUND_AGITATED );
			}
			break;
		}
	default:
		break;
	}

	return CSquadMonster :: GetSchedule();
}

//=========================================================
// CheckRangeAttack2 - toss grenade is enemy gets in the way and is too close. 
//=========================================================
BOOL CHAssassin :: CheckRangeAttack2 ( float flDot, float flDist )
{
	m_fThrowGrenade = FALSE;
	if ( !FBitSet ( m_hEnemy->pev->flags, FL_ONGROUND ) )
	{
		// don't throw grenades at anything that isn't on the ground!
		return FALSE;
	}

	// don't get grenade happy unless the player starts to piss you off
	if ( m_iFrustration <= 2)
		return FALSE;

	if ( m_flNextGrenadeCheck < gpGlobals->time && !HasConditions( bits_COND_ENEMY_OCCLUDED ) && flDist <= 512 /* && flDot >= 0.5 */ /* && NoFriendlyFire() */ )
	{
		Vector vecToss = VecCheckThrow( pev, GetGunPosition( ), m_hEnemy->Center(), flDist, 0.5 ); // use dist as speed to get there in 1 second

		if ( vecToss != g_vecZero )
		{
			m_vecTossVelocity = vecToss;

			// throw a hand grenade
			m_fThrowGrenade = TRUE;

			return TRUE;
		}
	}

	return FALSE;
}

//=========================================================
// CheckRangeAttack1 
//
// !!!LATER - we may want to load balance this. Several
// tracelines are done, so we may not want to do this every
// server frame. Definitely not while firing. 
//=========================================================
BOOL CAGrunt :: CheckRangeAttack1 ( float flDot, float flDist )
{
	if ( gpGlobals->time < m_flNextHornetAttackCheck )
	{
		return m_fCanHornetAttack;
	}

	if ( HasConditions( bits_COND_SEE_ENEMY ) && flDist >= AGRUNT_MELEE_DIST && flDist <= 1024 && flDot >= 0.5 && NoFriendlyFire() )
	{
		TraceResult	tr;
		Vector	vecArmPos, vecArmDir;

		// verify that a shot fired from the gun will hit the enemy before the world.
		// !!!LATER - we may wish to do something different for projectile weapons as opposed to instant-hit
		UTIL_MakeVectors( pev->angles );
		GetAttachment( 0, vecArmPos, vecArmDir );
//		UTIL_TraceLine( vecArmPos, vecArmPos + gpGlobals->v_forward * 256, ignore_monsters, ENT(pev), &tr);
		UTIL_TraceLine( vecArmPos, m_hEnemy->BodyTarget(vecArmPos), dont_ignore_monsters, ENT(pev), &tr);

		if ( tr.flFraction == 1.0 || tr.pHit == m_hEnemy->edict() )
		{
			m_flNextHornetAttackCheck = gpGlobals->time + RANDOM_FLOAT( 2, 5 );
			m_fCanHornetAttack = TRUE;
			return m_fCanHornetAttack;
		}
	}
	
	m_flNextHornetAttackCheck = gpGlobals->time + 0.2;// don't check for half second if this check wasn't successful
	m_fCanHornetAttack = FALSE;
	return m_fCanHornetAttack;
}

//=========================================================
// GetSchedule - Decides which type of schedule best suits
// the monster's current state and conditions. Then calls
// monster's member function to get a pointer to a schedule
// of the proper type.
//=========================================================
Schedule_t *CLuciole :: GetSchedule ( void )
{

	switch	( m_MonsterState )
	{
	case MONSTERSTATE_IDLE:
		break;

	case MONSTERSTATE_ALERT:
		break;

	case MONSTERSTATE_COMBAT:
		{
			if ( HasConditions(bits_COND_NEW_ENEMY) )	// une seule réorganisation par ennemi
			{
			//	if ( VARS(m_hEnemy) != VARS(Leader()->m_hEnemy) )
				{
					ReorganiseSquad ();
				}
			}

/*			if ( gpGlobals->time - m_flLastAttack < ATTACK_DELAY && IsLeader() )
				return GetScheduleOfType ( SCHED_TAKE_COVER_FROM_ENEMY );

			else
*/				return GetScheduleOfType ( SCHED_CHASE_ENEMY );


		}
		break;
	}

	return CBaseMonster :: GetSchedule();
}

//=========================================================
// If there's a player around, watch him.
//=========================================================
void CTalkMonster :: PrescheduleThink ( void )
{
	if ( !HasConditions ( bits_COND_SEE_CLIENT ) )
	{
		SetConditions ( bits_COND_CLIENT_UNSEEN );
	}
}

//=========================================================
// CheckMeleeAttack1 - alien grunts zap the crap out of 
// any enemy that gets too close. 
//=========================================================
BOOL CAGrunt :: CheckMeleeAttack1 ( float flDot, float flDist )
{
	if ( HasConditions ( bits_COND_SEE_ENEMY ) && flDist <= AGRUNT_MELEE_DIST && flDot >= 0.6 && m_hEnemy != NULL )
	{
		return TRUE;
	}
	return FALSE;
}

//=========================================================
// CheckMeleeAttack2 - bullsquid is a big guy, so has a longer
// melee range than most monsters. This is the bite attack.
// this attack will not be performed if the tailwhip attack
// is valid.
//=========================================================
BOOL CBullsquid :: CheckMeleeAttack2 ( float flDot, float flDist )
{
	if ( flDist <= 85 && flDot >= 0.7 && !HasConditions( bits_COND_CAN_MELEE_ATTACK1 ) )		// The player & bullsquid can be as much as their bboxes
	{										// apart (48 * sqrt(3)) and he can still attack (85 is a little more than 48*sqrt(3))
		return TRUE;
	}
	return FALSE;
}

//=========================================================
//=========================================================
Schedule_t* CAGrunt :: GetScheduleOfType ( int Type ) 
{
	switch	( Type )
	{
	case SCHED_TAKE_COVER_FROM_ENEMY:
		return &slAGruntTakeCoverFromEnemy[ 0 ];
		break;
	
	case SCHED_RANGE_ATTACK1:
		if ( HasConditions( bits_COND_SEE_ENEMY ) )
		{
			//normal attack
			return &slAGruntRangeAttack1[ 0 ];
		}
		else
		{
			// attack an unseen enemy
			// return &slAGruntHiddenRangeAttack[ 0 ];
			return &slAGruntRangeAttack1[ 0 ];
		}
		break;

	case SCHED_AGRUNT_THREAT_DISPLAY:
		return &slAGruntThreatDisplay[ 0 ];
		break;

	case SCHED_AGRUNT_SUPPRESS:
		return &slAGruntSuppress[ 0 ];
		break;

	case SCHED_STANDOFF:
		return &slAGruntStandoff[ 0 ];
		break;

	case SCHED_VICTORY_DANCE:
		return &slAGruntVictoryDance[ 0 ];
		break;

	case SCHED_FAIL:
		// no fail schedule specified, so pick a good generic one.
		{
			if ( m_hEnemy != NULL )
			{
				// I have an enemy
				// !!!LATER - what if this enemy is really far away and i'm chasing him?
				// this schedule will make me stop, face his last known position for 2 
				// seconds, and then try to move again
				return &slAGruntCombatFail[ 0 ];
			}

			return &slAGruntFail[ 0 ];
		}
		break;

	}

	return CSquadMonster :: GetScheduleOfType( Type );
}

//=========================================================
// FCanCheckAttacks - this is overridden for alien grunts
// because they can use their smart weapons against unseen
// enemies. Base class doesn't attack anyone it can't see.
//=========================================================
BOOL CAGrunt :: FCanCheckAttacks ( void )
{
	if ( !HasConditions( bits_COND_ENEMY_TOOFAR ) )
	{
		return TRUE;
	}
	else
	{
		return FALSE;
	}
}

void CGargantua :: PrescheduleThink( void )
{
	if ( !HasConditions( bits_COND_SEE_ENEMY ) )
	{
		m_seeTime = gpGlobals->time + 5;
		EyeOff();
	}
	else
		EyeOn( 200 );
	
	EyeUpdate();
}

//=========================================================
// GetSchedule - Decides which type of schedule best suits
// the monster's current state and conditions. Then calls
// monster's member function to get a pointer to a schedule
// of the proper type.
//=========================================================
Schedule_t *CAGrunt :: GetSchedule ( void )
{
	if ( HasConditions(bits_COND_HEAR_SOUND) )
	{
		CSound *pSound;
		pSound = PBestSound();

		ASSERT( pSound != NULL );
		if ( pSound && (pSound->m_iType & bits_SOUND_DANGER) )
		{
			// dangerous sound nearby!
			return GetScheduleOfType( SCHED_TAKE_COVER_FROM_BEST_SOUND );
		}
	}

	switch	( m_MonsterState )
	{
	case MONSTERSTATE_COMBAT:
		{
// dead enemy
			if ( HasConditions( bits_COND_ENEMY_DEAD ) )
			{
				// call base class, all code to handle dead enemies is centralized there.
				return CBaseMonster :: GetSchedule();
			}

			if ( HasConditions(bits_COND_NEW_ENEMY) )
			{
				return GetScheduleOfType( SCHED_WAKE_ANGRY );
			}

	// zap player!
			if ( HasConditions ( bits_COND_CAN_MELEE_ATTACK1 ) )
			{
				AttackSound();// this is a total hack. Should be parto f the schedule
				return GetScheduleOfType ( SCHED_MELEE_ATTACK1 );
			}

			if ( HasConditions ( bits_COND_HEAVY_DAMAGE ) )
			{
				return GetScheduleOfType( SCHED_SMALL_FLINCH );
			}

	// can attack
			if ( HasConditions ( bits_COND_CAN_RANGE_ATTACK1 ) && OccupySlot ( bits_SLOTS_AGRUNT_HORNET ) )
			{
				return GetScheduleOfType ( SCHED_RANGE_ATTACK1 );
			}

			if ( OccupySlot ( bits_SLOT_AGRUNT_CHASE ) )
			{
				return GetScheduleOfType ( SCHED_CHASE_ENEMY );
			}

			return GetScheduleOfType ( SCHED_STANDOFF );
		}
	}

	return CSquadMonster :: GetSchedule();
}

//=========================================================
// GetSchedule
//=========================================================
Schedule_t* CIchthyosaur::GetSchedule()
{
	// ALERT( at_console, "GetSchedule( )\n" );
	switch(m_MonsterState)
	{
	case MONSTERSTATE_IDLE:
		m_flightSpeed = 80;
		return GetScheduleOfType( SCHED_IDLE_WALK );

	case MONSTERSTATE_ALERT:
		m_flightSpeed = 150;
		return GetScheduleOfType( SCHED_IDLE_WALK );

	case MONSTERSTATE_COMBAT:
		m_flMaxSpeed = 400;
		// eat them
		if ( HasConditions( bits_COND_CAN_MELEE_ATTACK1 ) )
		{
			return GetScheduleOfType( SCHED_MELEE_ATTACK1 );
		}
		// chase them down and eat them
		if ( HasConditions( bits_COND_CAN_RANGE_ATTACK1 ) )
		{
			return GetScheduleOfType( SCHED_CHASE_ENEMY );
		}
		if ( HasConditions( bits_COND_HEAVY_DAMAGE ) )
		{
			m_bOnAttack = TRUE;
		}
		if ( pev->health < pev->max_health - 20 )
		{
			m_bOnAttack = TRUE;
		}

		return GetScheduleOfType( SCHED_STANDOFF );
	}

	return CFlyingMonster :: GetSchedule();
}

//=========================================================
//=========================================================
Schedule_t *CISlave :: GetSchedule( void )
{
	ClearBeams( );

/*
	if (pev->spawnflags)
	{
		pev->spawnflags = 0;
		return GetScheduleOfType( SCHED_RELOAD );
	}
*/

	if ( HasConditions( bits_COND_HEAR_SOUND ) )
	{
		CSound *pSound;
		pSound = PBestSound();

		ASSERT( pSound != NULL );

		if ( pSound && (pSound->m_iType & bits_SOUND_DANGER) )
			return GetScheduleOfType( SCHED_TAKE_COVER_FROM_BEST_SOUND );
		if ( pSound->m_iType & bits_SOUND_COMBAT )
			m_afMemory |= bits_MEMORY_PROVOKED;
	}

	switch (m_MonsterState)
	{
	case MONSTERSTATE_COMBAT:
// dead enemy
		if ( HasConditions( bits_COND_ENEMY_DEAD ) )
		{
			// call base class, all code to handle dead enemies is centralized there.
			return CBaseMonster :: GetSchedule();
		}

		if (pev->health < 20 || m_iBravery < 0)
		{
			if (!HasConditions( bits_COND_CAN_MELEE_ATTACK1 ))
			{
				m_failSchedule = SCHED_CHASE_ENEMY;
				if (HasConditions( bits_COND_LIGHT_DAMAGE | bits_COND_HEAVY_DAMAGE))
				{
					return GetScheduleOfType( SCHED_TAKE_COVER_FROM_ENEMY );
				}
				if ( HasConditions ( bits_COND_SEE_ENEMY ) && HasConditions ( bits_COND_ENEMY_FACING_ME ) )
				{
					// ALERT( at_console, "exposed\n");
					return GetScheduleOfType( SCHED_TAKE_COVER_FROM_ENEMY );
				}
			}
		}
		break;
	default:
		break;
	}
	return CSquadMonster::GetSchedule( );
}