void CStage::UpdateListener()
{
Matrix34 cam_pose;
Camera *pCamera;
// get the pose of the current camera
pCamera = this->GetCurrentCamera();
if( pCamera )
{
pCamera->GetPose( cam_pose );
}
else
{
CCopyEntity* pEntity = this->GetEntitySet()->GetCameraEntity();
if( pEntity )
cam_pose = pEntity->GetWorldPose();
else
cam_pose.Identity();
}
// update listener for sound manager
GetSoundManager().SetListenerPose( cam_pose );
CCopyEntity *pCameraEntity = this->GetEntitySet()->GetCameraEntity();
if( pCameraEntity )
GetSoundManager().SetListenerVelocity( pCameraEntity->Velocity() );
GetSoundManager().CommitDeferredSettings();
}
CCopyEntity *EntityManager::CreateEntity( CCopyEntityDesc& rCopyEntityDesc )
{
if( !rCopyEntityDesc.pBaseEntityHandle )
return NULL;
BaseEntityHandle& rBaseEntityHandle = *(rCopyEntityDesc.pBaseEntityHandle);
// LOG_PRINT( "creating a copy entity of " + string(rBaseEntityHandle.GetBaseEntityName()) );
BaseEntity *pBaseEntity = GetBaseEntity( rBaseEntityHandle );
if( !pBaseEntity )
return NULL;
BaseEntity& rBaseEntity = *(pBaseEntity);
// LOG_PRINT( "checking the initial position of " + rBaseEntity.GetNameString() );
// determine the entity group id
// priority (higher to lower):
// (id set to copy entity desc) -> (id set to base entity)
int entity_group_id = ENTITY_GROUP_INVALID_ID;
if( rCopyEntityDesc.sGroupID != ENTITY_GROUP_INVALID_ID )
{
entity_group_id = rCopyEntityDesc.sGroupID;
}
else
{
// try the group of base entity
entity_group_id = rBaseEntity.GetEntityGroupID();
}
if( false )
// if( !rBaseEntity.m_bNoClip )
// && rCopyEntityDesc.DontCreateIfOverlapIsDetected )
{ // check for overlaps with other entities
// to see if the new entity is in a valid position
// if( rCopyEnt.bvType == BVTYPE_AABB || rCopyEnt.bvType == BVTYPE_DOT )
// {
STrace tr;
tr.sTraceType = TRACETYPE_IGNORE_NOCLIP_ENTITIES;
tr.vEnd = rCopyEntityDesc.WorldPose.vPosition;
tr.bvType = rBaseEntity.m_BoundingVolumeType;
tr.aabb = rBaseEntity.m_aabb;
tr.GroupIndex = entity_group_id;
if( rBaseEntity.m_bNoClipAgainstMap )
tr.sTraceType |= TRACETYPE_IGNORE_MAP;
m_pStage->CheckPosition( tr );
if(tr.in_solid)
{
LOG_PRINT( " - cannot create a copy entity due to overlaps: " + string(rBaseEntityHandle.GetBaseEntityName()) );
return NULL; // specified position is invalid - cannot create entity
}
// }
}
// LOG_PRINT( "the copy entity of " + rBaseEntity.GetNameString() + " is in a valid position" );
// create an entity
shared_ptr<CCopyEntity> pNewEntitySharedPtr = m_pEntityFactory->CreateEntity( rCopyEntityDesc.TypeID );
if( !pNewEntitySharedPtr )
{
/// too many entities or no entity is defined for rCopyEntityDesc.TypeID
LOG_PRINT_ERROR( " - cannot create a copy entity of '" + string(rBaseEntityHandle.GetBaseEntityName()) + "'" );
return NULL;
}
CCopyEntity *pNewCopyEnt = pNewEntitySharedPtr.get();
pNewCopyEnt->m_TypeID = rCopyEntityDesc.TypeID;
// copy parameter values from base entity (entity attributes set)
SetBasicEntityAttributes( pNewCopyEnt, rBaseEntity );
// copy parameter values from entity desc
pNewCopyEnt->SetName( rCopyEntityDesc.strName );
pNewCopyEnt->SetWorldPose( rCopyEntityDesc.WorldPose );
pNewCopyEnt->Velocity() = rCopyEntityDesc.vVelocity;
pNewCopyEnt->fSpeed = rCopyEntityDesc.fSpeed;
pNewCopyEnt->m_MeshHandle = rCopyEntityDesc.MeshObjectHandle;
pNewCopyEnt->f1 = rCopyEntityDesc.f1;
pNewCopyEnt->f2 = rCopyEntityDesc.f2;
pNewCopyEnt->f3 = rCopyEntityDesc.f3;
pNewCopyEnt->f4 = rCopyEntityDesc.f4;
pNewCopyEnt->f5 = 0.0f;
pNewCopyEnt->s1 = rCopyEntityDesc.s1;
pNewCopyEnt->v1 = rCopyEntityDesc.v1;
pNewCopyEnt->v2 = rCopyEntityDesc.v2;
pNewCopyEnt->iExtraDataIndex = rCopyEntityDesc.iExtraDataIndex;
pNewCopyEnt->pUserData = rCopyEntityDesc.pUserData;
pNewCopyEnt->sState = 0;
pNewCopyEnt->bInSolid = false;
pNewCopyEnt->GroupIndex = entity_group_id;
// pNewCopyEnt->GroupIndex = rCopyEntityDesc.sGroupID;
pNewCopyEnt->touch_plane.dist = 0;
pNewCopyEnt->touch_plane.normal = Vector3(0,0,0);
InitEntity( pNewEntitySharedPtr, rCopyEntityDesc.pParent, pBaseEntity, rCopyEntityDesc.pPhysActorDesc );
pNewCopyEnt->Init( rCopyEntityDesc );
LOG_PRINT_VERBOSE( " - created a copy entity of " + rBaseEntity.GetNameString() );
return pNewCopyEnt;
}
void EntityManager::InitEntity( boost::shared_ptr<CCopyEntity> pNewCopyEntPtr,
CCopyEntity *pParent,
BaseEntity *pBaseEntity,
CActorDesc* pPhysActorDesc )
{
CCopyEntity* pNewCopyEnt = pNewCopyEntPtr.get();
// Mark the entity as in use
pNewCopyEnt->inuse = true;
pNewCopyEnt->m_pSelf = pNewCopyEntPtr;
pNewCopyEnt->pBaseEntity = pBaseEntity;
BaseEntity& rBaseEntity = (*pBaseEntity);
pNewCopyEnt->m_pStage = m_pStage;
// set id and increment the counter
pNewCopyEnt->m_ID = m_EntityIDConter++;
// z-sort is disabled by default initialization
// Entities that have translucent polygons have to turn on their copy entities'
// 'BETYPE_USE_ZSORT' in InitCopyEntity()
if( pNewCopyEnt->m_TypeID == CCopyEntityTypeID::ALPHA_ENTITY )
{
// For alpha entity, always use the z-sorting
pNewCopyEnt->RaiseEntityFlags( BETYPE_USE_ZSORT );
}
else
{
// Otherwise, disable z-sorting by default
pNewCopyEnt->ClearEntityFlags( BETYPE_USE_ZSORT );
}
// set the glare type
if( rBaseEntity.m_EntityFlag & BETYPE_GLARESOURCE )
{
pNewCopyEnt->RaiseEntityFlags( BETYPE_GLARESOURCE );
}
else if( rBaseEntity.m_EntityFlag & BETYPE_GLAREHINDER )
{
pNewCopyEnt->RaiseEntityFlags( BETYPE_GLAREHINDER );
}
// update world aabb
pNewCopyEnt->world_aabb.TransformCoord( pNewCopyEnt->local_aabb, pNewCopyEnt->GetWorldPosition() );
// link the new copy-entity to the top of 'm_pEntityInUse'
if( m_pEntityInUse )
pNewCopyEnt->SetNext( m_pEntityInUse );
else
pNewCopyEnt->SetNextToNull(); // first entity in the link list
m_pEntityInUse = pNewCopyEntPtr;
// set the created time of the entity
pNewCopyEnt->m_CreatedTime = m_pStage->GetElapsedTime();
// set parent entity
pNewCopyEnt->m_pParent = pParent;
if( pNewCopyEnt->m_pParent )
{
// 'pNewCopyEnt' is being created as a child of another copy entity
pNewCopyEnt->m_pParent->AddChild( pNewCopyEnt->m_pSelf ); // establish link from the parent to this entity
}
// LOG_PRINT( "linking a copy entity of " + rBaseEntity.GetNameString() + " to the tree" );
// link the new copy-entity to the entity-tree
Link( pNewCopyEnt );
// update light information
if( pNewCopyEnt->Lighting() )
{
pNewCopyEnt->ClearLights();
// UpdateLightInfo( pNewCopyEnt );
pNewCopyEnt->sState |= CESTATE_LIGHT_INFORMATION_INVALID;
}
// create object for physics simulation
if( pNewCopyEnt->GetEntityFlags() & BETYPE_RIGIDBODY )
{
CActor *pPhysActor = NULL;
if( pPhysActorDesc )
{
pPhysActorDesc->WorldPose = pNewCopyEnt->GetWorldPose();// * pNewCopyEnt->GetActorLocalPose();
pPhysActorDesc->BodyDesc.LinearVelocity = pNewCopyEnt->Velocity();
// each entity has its own actor desc
pPhysActor = m_pStage->GetPhysicsScene()->CreateActor( *pPhysActorDesc );
}
else if( pBaseEntity->GetPhysicsActorDesc().IsValid() )
{
// actor desc is defined by entity attributes
CActorDesc actor_desc = pBaseEntity->GetPhysicsActorDesc();
actor_desc.WorldPose = pNewCopyEnt->GetWorldPose();
actor_desc.BodyDesc.LinearVelocity = pNewCopyEnt->Velocity();
// pNewCopyEnt->pPhysicsActor = m_pStage->GetPhysicsScene()->CreateActor( actor_desc );
pPhysActor = m_pStage->GetPhysicsScene()->CreateActor( actor_desc );
}
if( pPhysActor )
{
pNewCopyEnt->m_vecpPhysicsActor.resize( 1 );
pNewCopyEnt->m_vecpPhysicsActor[0] = pPhysActor;
pPhysActor->m_pFrameworkData = pNewCopyEnt;
}
}
// When all the basic properties are copied, InitCopyEntity() is called to
// do additional initialization specific to each base entity.
rBaseEntity.InitCopyEntity( pNewCopyEnt );
}
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;
}
}
}
