C++ CCharacter::GetRadius方法代码示例

LTVector CAIWeaponMelee::GetFirePosition(CAI* pAI)
{
	// Force fire position to come from the edge of the target's radius.
	// This should ensure a successful melee hit.

	if( pAI && m_bForceHit )
	{
		HOBJECT hTarget = pAI->GetAIBlackBoard()->GetBBTargetObject();
		if( IsCharacter( hTarget ) )
		{
			LTVector vTargetPos;
			g_pLTServer->GetObjectPos( hTarget, &vTargetPos );

			LTVector vDir = vTargetPos - pAI->GetPosition();
			vDir.Normalize();

			CCharacter* pChar = (CCharacter*)g_pLTServer->HandleToObject( hTarget );
			LTVector vFirePos = vTargetPos - ( vDir * pChar->GetRadius() );

			return vFirePos;
		}
	}

	// Default behavior.

	return DefaultGetFirePosition(pAI);
}

void CAIWeaponAbstract::GetBlindFirePosition(CAI* pAI, LTVector& outvShootPos, bool bMiss )
{
	ASSERT(pAI);

	HOBJECT hTarget = pAI->GetAIBlackBoard()->GetBBTargetObject();
	if( !IsCharacter( hTarget ) )
	{
		return;
	}

	CCharacter* pChar = (CCharacter*)g_pLTServer->HandleToObject( hTarget );
	if( !pChar )
	{
		return;
	}

	// Intentionally shoot a little short of the target.

	float fDist = sqrt( pAI->GetTarget()->GetTargetDistSqr() );

	float fRadius = pChar->GetRadius();
	float fRand = GetRandom( 0.f, 1.f );
	fDist -= ( fRadius * 2.f ) + ( fRand * pAI->GetAccuracyMissPerturb() );

	// Aim wherever the weapon is aiming.

	LTVector vDir = pAI->GetWeaponForward( m_pWeapon );
	outvShootPos = pAI->GetPosition() + ( vDir * fDist );

	// Force bullets to land in front of the target, on the floor.

	if( bMiss && m_pAIWeaponRecord->bForceMissToFloor )
	{
		float fFloor = pAI->GetAIBlackBoard()->GetBBTargetPosition().y;
		fFloor -= pAI->GetAIBlackBoard()->GetBBTargetDims().y;
		outvShootPos.y = fFloor;
	}
}

//.........这里部分代码省略.........
		if( fInnaccuracy > 0.f )
		{
			LTVector vShootOffset = LTVector(	GetRandom( -fInnaccuracy, fInnaccuracy ),
				GetRandom( -fInnaccuracy * 0.5f, fInnaccuracy * 0.5f ),
				GetRandom( -fInnaccuracy, fInnaccuracy ) );
			vShootOffset.Normalize();

			outvShootPos += vShootOffset * 100.0f;
		}
		
		return true;
	}

	// Miss.

	else 
	{
		++Context.m_iMiss;

		// Blind fire.

		if( pAI->GetAIBlackBoard()->GetBBBlindFire() )
		{
			GetBlindFirePosition( pAI, outvShootPos, FIRE_MISS );
			return false;
		}

		// Default fire.

		HOBJECT hTarget = pAI->GetAIBlackBoard()->GetBBTargetObject();
		if( !IsCharacter( hTarget ) )
		{
			return false;
		}

		CCharacter* pChar = (CCharacter*)g_pLTServer->HandleToObject( hTarget );
		if( !pChar )
		{
			return false;
		}

		// Intentionally shoot a little short of the target.

		LTVector vPos = pAI->GetAIBlackBoard()->GetBBTargetPosition();;

		// Suppression fire at last known pos.

		if( pAI->GetAIBlackBoard()->GetBBSuppressionFire() )
		{
			CAIWMFact factQuery;
			factQuery.SetFactType( kFact_Character );
			factQuery.SetTargetObject( hTarget );
			CAIWMFact* pFact = pAI->GetAIWorkingMemory()->FindWMFact( factQuery );
			if( pFact )
			{
				vPos = pFact->GetPos();
			}
		}

		float fDist = sqrt( pAI->GetTarget()->GetTargetDistSqr() );

		float fRadius = pChar->GetRadius();

		float fRand = GetRandom( 0.f, 1.f );
		fDist -= ( fRadius * 2.f ) + ( fRand * pAI->GetAccuracyMissPerturb() );

		// Calculate a position to the right or left of the target.

		LTVector vDir = vPos - pAI->GetPosition();
		if( vDir != LTVector::GetIdentity() )
		{
			vDir.Normalize();
		}

		vPos = pAI->GetPosition() + ( vDir * fDist );

		LTVector vRight = vDir.Cross( LTVector( 0.f, 1.f, 0.f ) );

		fRand = GetRandom( 0.f, 1.f );
		float fPerturb = ( ( pAI->GetAccuracyMissPerturb() * 2.f ) * fRand ) - pAI->GetAccuracyMissPerturb();
		vRight *= fPerturb;

		// Apply the offset to miss the target.

		outvShootPos = vPos + vRight;

		// Force bullets to land in front of the target, on the floor.

		if( m_pAIWeaponRecord->bForceMissToFloor )
		{
			float fFloor = pAI->GetAIBlackBoard()->GetBBTargetPosition().y;
			fFloor -= pAI->GetAIBlackBoard()->GetBBTargetDims().y;
			outvShootPos.y = fFloor;
		}

		return false;
	}

	return false;
}