void GravityGun::Update( float dt )
{
if( !IsWeaponSelected() )
return;
// Vector3 vOwnerMuzzlePos = rWeaponSystem.m_vMuzzlePosition + rWeaponSystem.m_vMuzzleDirection * 0.25f
// + rWeaponSystem.m_vMuzzleDir_Up * 0.90f;
Vector3 vOwnerMuzzlePos = m_MuzzleEndWorldPose.vPosition;
CCopyEntity *pTarget = m_Target.GetRawPtr();
if( pTarget )
{
// calc the translation from the center of the target to the muzzle position
Vector3 vDist = vOwnerMuzzlePos - pTarget->GetWorldPosition();
float fDistSq = Vec3LengthSq(vDist);
if( m_fMaxRange * m_fMaxRange < fDistSq )
{
m_iHoldingTargetToggle = 0;
// m_pTarget->pPhysicsActor->SetAllowFreezing( true );
m_Target.Reset();
return;
}
STrace tr;
tr.bvType = BVTYPE_DOT;
tr.vStart = vOwnerMuzzlePos;
Vector3 vGoal = pTarget->GetWorldPosition();
tr.vGoal = vGoal;
tr.sTraceType = TRACETYPE_IGNORE_NOCLIP_ENTITIES;
/*
CTrace tr;
tr.BVType = BVTYPE_DOT;
tr.vStart = &vOwnerMuzzlePos;
tr.vGoal = &pTarget->GetWorldPosition();
tr.TypeFlags = CTrace::FLAG_IGNORE_NOCLIP_ENTITIES;//TRACETYPE_IGNORE_NOCLIP_ENTITIES;
*/
// check trace
CStageSharedPtr pStage = m_pStage.lock();
if( pStage )
pStage->ClipTrace( tr );
if( tr.pTouchedEntity != pTarget )
{
// found an obstacle between the player and the target object
// - unable to hold the target any more
m_iHoldingTargetToggle = 0;
// m_pTarget->pPhysicsActor->SetAllowFreezing( true );
m_Target.Reset();
return;
}
if( fDistSq < m_fGraspRange * m_fGraspRange || m_aTriggerState[1] == 1 )
{
// the gravity gun is holding the target object
// account for the target object's size so that it does not bump into the shooter
float fDist = sqrtf(fDistSq);
Vector3 vDir = vDist / fDist; // normalization
fDist -= ( pTarget->fRadius + 0.2f );
vDist = vDir * fDist;
// calc relative velocity
Vector3 vRVel = pTarget->Velocity() - m_vMuzzleEndVelocity;
Vector3 vForce;
// vForce = m_fPosGain * vDist - m_fSpeedGain * vRVel;
// m_pTarget->ApplyWorldImpulse( vForce, m_pTarget->GetWorldPosition());
if( 6.0f < fDist )
vForce = vDir * 6.0f * 2.5f;
else if( fDist < 0.6f )
vForce = vDir * fDist * 8.0f;
else
// vForce = vDir * fDist * 2.5f;
vForce = vDir * ( fDist * 2.0f + 3.0f );
vForce += m_vMuzzleEndVelocity;
physics::CActor *pPhysicsActor = pTarget->GetPrimaryPhysicsActor();
if( pPhysicsActor )
pPhysicsActor->SetLinearVelocity( vForce );
/* Vector3 vPos = m_pTarget->pPhysicsActor->GetPosition();
Vector3 vVel = m_pTarget->pPhysicsActor->GetVelocity();
SmoothCD( vPos, vPos + vDist, vVel, 0.25f, dt );
if( 12.0f * 12.0f < Vec3LengthSq(vVel) )
{
Vec3Normalize( vVel, vVel );
vVel *= 12.0f;
}
m_pTarget->pPhysicsActor->SetVelocity( vVel );
*/
return;
}
else
{
// lost control of the target
m_iHoldingTargetToggle = 0;
ReleaseObject();
return;
}
}
}
void CBE_Enemy::OnDestroyed( CCopyEntity* pCopyEnt )
{
// explosion - usu. done by texture animation
CCopyEntityDesc explosion;
explosion.pBaseEntityHandle = &m_Explosion;
explosion.SetWorldPose( pCopyEnt->GetWorldPose() );
explosion.vVelocity = Vector3(0,0,0);
this->m_pStage->CreateEntity( explosion );
// avoid overlaps with fragment entities
pCopyEnt->bNoClip = true;
LOG_PRINT( " An enemy entity destroyed - velocity: " + to_string(pCopyEnt->Velocity()) );
CCopyEntity* pFragEntity;
// MsgBoxFmt( "%s destroyed - creating %d fragments", pCopyEnt->GetName().c_str(), m_iNumFragments );
const int num_fragments = m_iNumFragments;
for(int i=0; i<num_fragments; i++)
{
const Fragment& frag = m_aFragment[i];
CCopyEntityDesc& rFrag = explosion; // reuse desc object
rFrag.pBaseEntityHandle = &m_aFragment[i].BaseEntity;
rFrag.SetWorldPosition( pCopyEnt->GetWorldPose() * frag.vOffset );
// D3DXVec3TransformCoord( &vWorldFragmentOffset, &m_avFragmentOffset[i], &pCopyEnt->GetOrientation() );
// rFrag.vPosition = pCopyEnt->GetWorldPosition() + vWorldFragmentOffset;
rFrag.SetWorldOrient( pCopyEnt->GetWorldPose().matOrient );
//BSPStageBase rFrag.vVelocity = pCopyEnt->Velocity() * 0.3f + vWorldFragmentOffset * 20.0f
//BSPStageBase + Vector3( RangedRand(-10.0f,10.0f), RangedRand(-8.0f,8.0f), RangedRand(-10.0f,10.0f) );
rFrag.vVelocity = Vec3RandDir() * RangedRand( frag.InitVelocity.min, frag.InitVelocity.max )
// rFrag.vVelocity = Vec3RandDir() * RangedRand( 15.5f, 35.0f )
+ pCopyEnt->Velocity();
pFragEntity = this->m_pStage->CreateEntity( rFrag );
if( pFragEntity )
{
physics::CActor *pPhysicsActor = pFragEntity->GetPrimaryPhysicsActor();
if( pPhysicsActor )
{
pPhysicsActor->SetAngularVelocity( Vec3RandDir() * RangedRand( 0.5f, 8.0f ) );
}
}
}
/*
int num_items = m_vecRewardItem.size();
float f = 0, rand_val;
for(i=0; i<m_iNumFragments; i++)
{
rand_val = GetRangedRand( 0.0f, 1.0f );
f += m_vecRewardItem[i].m_fProbability;
if( rand_val < f )
{
}
}
*/
// leave a life item
// m_pStage->CreateEntity( "s_Life", pCopyEnt->GetWorldPosition(),
// Vector3(0,0,0), Vector3(0,0,1) );
}
bool GravityGun::HandleInput( int input_code, int input_type, float fParam )
{
Vector3 vOwnerMuzzlePos = m_MuzzleEndWorldPose.vPosition;
switch( input_code )
{
case ACTION_ATK_FIRE:
if( input_type == ITYPE_KEY_PRESSED )
{
m_aTriggerState[0] = 1;
CCopyEntity *pTarget = m_Target.GetRawPtr();
if( pTarget )
{
physics::CActor *pPhysicsActor = pTarget->GetPrimaryPhysicsActor();
Vector3 vDist = vOwnerMuzzlePos - pTarget->GetWorldPosition();
float fDistSq = Vec3LengthSq(vDist);
if( fDistSq < m_fGraspRange * m_fGraspRange )
{
Vector3 vImpulse = m_MuzzleEndLocalPose.matOrient.GetColumn(2) * m_fPower;
// shoot object
// pTarget->ApplyWorldImpulse( vImpulse, m_pTarget->GetWorldPosition() );
pPhysicsActor->SetLinearVelocity( vImpulse );
// release object
// m_pTarget->pPhysicsActor->SetAllowFreezing( true );
m_Target.Reset();
m_iHoldingTargetToggle = 0;
return true;
}
}
}
else if( input_type == ITYPE_KEY_RELEASED )
{
m_aTriggerState[0] = 0;
return true;
}
break;
case ACTION_ATK_RAISEWEAPON:
case ACTION_ATK_UNLOCK_TRIGGER_SAFETY:
if( input_type == ITYPE_KEY_PRESSED )
{
m_aTriggerState[1] = 1;
// the owner pulled the second trigger
m_iHoldingTargetToggle = ~m_iHoldingTargetToggle;
CCopyEntity *pTarget = m_Target.GetRawPtr();
if( !pTarget )
{
// trigger is pulled and the gravity gun is not holding any object right now
// - check if there is an object in the aim direction
return GraspObjectInAimDirection();
}
else
{
// trigger is pulled when the gun is holding an object
// - release the object
ReleaseObject();
return true;
}
}
else if( input_type == ITYPE_KEY_RELEASED )
{
m_aTriggerState[1] = 0;
return true;
}
break;
default:
break;
}
return false;
}
