void LightCPURenderThread::ConnectToEye(const float u0,
const BSDF &bsdf, const Point &lensPoint, const Spectrum &flux,
vector<SampleResult> &sampleResults) {
LightCPURenderEngine *engine = (LightCPURenderEngine *)renderEngine;
Scene *scene = engine->renderConfig->scene;
Vector eyeDir(bsdf.hitPoint - lensPoint);
const float eyeDistance = eyeDir.Length();
eyeDir /= eyeDistance;
BSDFEvent event;
Spectrum bsdfEval = bsdf.Evaluate(-eyeDir, &event);
if (!bsdfEval.Black()) {
const float epsilon = Max(MachineEpsilon::E(lensPoint), MachineEpsilon::E(eyeDistance));
Ray eyeRay(lensPoint, eyeDir,
epsilon,
eyeDistance - epsilon);
float scrX, scrY;
if (scene->camera->GetSamplePosition(lensPoint, eyeDir, eyeDistance, &scrX, &scrY)) {
RayHit eyeRayHit;
BSDF bsdfConn;
Spectrum connectionThroughput;
if (!scene->Intersect(device, true, u0, &eyeRay, &eyeRayHit, &bsdfConn, &connectionThroughput)) {
// Nothing was hit, the light path vertex is visible
const float cosToCamera = Dot(bsdf.shadeN, -eyeDir);
const float cosAtCamera = Dot(scene->camera->GetDir(), eyeDir);
const float cameraPdfW = 1.f / (cosAtCamera * cosAtCamera * cosAtCamera *
scene->camera->GetPixelArea());
const float cameraPdfA = PdfWtoA(cameraPdfW, eyeDistance, cosToCamera);
const float fluxToRadianceFactor = cameraPdfA;
const Spectrum radiance = connectionThroughput * flux * fluxToRadianceFactor * bsdfEval;
AddSampleResult(sampleResults, PER_SCREEN_NORMALIZED, scrX, scrY,
radiance, 1.f);
}
}
}
}
//-----------------------------------------------------------------------------
void CHomingMissile::UpdateControlledMissile(float frameTime)
{
bool isServer = gEnv->bServer;
bool isClient = gEnv->bClient;
CActor *pClientActor=0;
if (gEnv->bClient)
pClientActor=static_cast<CActor *>(g_pGame->GetIGameFramework()->GetClientActor());
bool isOwner = ((!m_ownerId && isServer) || (isClient && pClientActor && (pClientActor->GetEntityId() == m_ownerId) && pClientActor->IsPlayer()));
IRenderer* pRenderer = gEnv->pRenderer;
IRenderAuxGeom* pGeom = pRenderer->GetIRenderAuxGeom();
float color[4] = {1,1,1,1};
const static float step = 15.f;
float y = 20.f;
bool bDebug = g_pGameCVars->i_debug_projectiles > 0;
if (isOwner || isServer)
{
//If there's a target, follow the target
if(isServer)
{
if (m_targetId)
{
if (m_lockedTimer>0.0f)
m_lockedTimer=m_lockedTimer-frameTime;
else
{
// If we are here, there's a target
IEntity* pTarget = gEnv->pEntitySystem->GetEntity(m_targetId);
if (pTarget)
{
AABB box;
pTarget->GetWorldBounds(box);
Vec3 finalDes = box.GetCenter();
SetDestination(finalDes);
//SetDestination( box.GetCenter() );
if (bDebug)
pRenderer->Draw2dLabel(5.0f, y+=step, 1.5f, color, false, "Target Entity: %s", pTarget->GetName());
}
m_lockedTimer+=0.05f;
}
}
else if(m_autoControlled)
return;
}
if (m_controlled && !m_autoControlled && isOwner && !m_targetId)
{
//Check if the weapon is still selected
CWeapon *pWeapon = GetWeapon();
if(!pWeapon || !pWeapon->IsSelected())
return;
if (m_controlledTimer>0.0f)
m_controlledTimer=m_controlledTimer-frameTime;
else if (pClientActor && pClientActor->IsPlayer()) //Follow the crosshair
{
if (IMovementController *pMC=pClientActor->GetMovementController())
{
Vec3 eyePos(ZERO);
Vec3 eyeDir(ZERO);
IVehicle* pVehicle = pClientActor->GetLinkedVehicle();
if(!pVehicle)
{
SMovementState state;
pMC->GetMovementState(state);
eyePos = state.eyePosition;
eyeDir = state.eyeDirection;
}
else
{
SViewParams viewParams;
pVehicle->UpdateView(viewParams, pClientActor->GetEntityId());
eyePos = viewParams.position;
eyeDir = viewParams.rotation * Vec3(0,1,0);
//eyeDir = (viewParams.targetPos - viewParams.position).GetNormalizedSafe();
}
int pierceability=7;
if (IPhysicalEntity *pPE=GetEntity()->GetPhysics())
{
if (pPE->GetType()==PE_PARTICLE)
{
pe_params_particle pp;
if (pPE->GetParams(&pp))
pierceability=pp.iPierceability;
}
}
static const int objTypes = ent_all;
static const int flags = (geom_colltype_ray << rwi_colltype_bit) | rwi_colltype_any | (pierceability & rwi_pierceability_mask) | (geom_colltype14 << rwi_colltype_bit);
IPhysicalWorld* pWorld = gEnv->pPhysicalWorld;
static IPhysicalEntity* pSkipEnts[10];
int numSkip = CSingle::GetSkipEntities(pWeapon, pSkipEnts, 10);
ray_hit hit;
int hits = 0;
float range=m_maxTargetDistance;
hits = pWorld->RayWorldIntersection(eyePos + 1.5f*eyeDir, eyeDir*range, objTypes, flags, &hit, 1, pSkipEnts, numSkip);
while (hits)
{
if (gEnv->p3DEngine->RefineRayHit(&hit, eyeDir*range))
break;
eyePos = hit.pt+eyeDir*0.003f;
range -= hit.dist+0.003f;
hits = pWorld->RayWorldIntersection(eyePos, eyeDir*range, objTypes, flags, &hit, 1, pSkipEnts, numSkip);
}
DestinationParams params;
if(hits)
params.pt=hit.pt;
else
params.pt=(eyePos+m_maxTargetDistance*eyeDir); //Some point in the sky...
GetGameObject()->InvokeRMI(SvRequestDestination(), params, eRMI_ToServer);
if (bDebug)
{
pRenderer->Draw2dLabel(5.0f, y+=step, 1.5f, color, false, "PlayerView eye direction: %.3f %.3f %.3f", eyeDir.x, eyeDir.y, eyeDir.z);
pRenderer->Draw2dLabel(5.0f, y+=step, 1.5f, color, false, "PlayerView Target: %.3f %.3f %.3f", hit.pt.x, hit.pt.y, hit.pt.z);
pRenderer->GetIRenderAuxGeom()->DrawCone(m_destination, Vec3(0,0,-1), 2.5f, 7.f, ColorB(255,0,0,255));
}
}
m_controlledTimer+=0.0f;
}
}
}
//This code is shared by both modes above (auto and controlled)
if(!m_destination.IsZero())
{
pe_status_dynamics status;
if (!GetEntity()->GetPhysics()->GetStatus(&status))
{
CryLogAlways("couldn't get physics status!");
return;
}
pe_status_pos pos;
if (!GetEntity()->GetPhysics()->GetStatus(&pos))
{
CryLogAlways("couldn't get physics pos!");
return;
}
float currentSpeed = status.v.len();
if (currentSpeed>0.001f)
{
Vec3 currentVel = status.v;
Vec3 currentPos = pos.pos;
Vec3 goalDir(ZERO);
assert(!_isnan(currentSpeed));
assert(!_isnan(currentVel.x) && !_isnan(currentVel.y) && !_isnan(currentVel.z));
//Just a security check
if((currentPos-m_destination).len2()<(m_detonationRadius*m_detonationRadius))
{
Explode(true, true, m_destination, -currentVel.normalized(), currentVel, m_targetId);
return;
}
goalDir = m_destination - currentPos;
goalDir.Normalize();
//Turn more slowly...
currentVel.Normalize();
if(bDebug)
{
pRenderer->Draw2dLabel(50,55,2.0f,color,false, " Destination: %.3f, %.3f, %.3f",m_destination.x,m_destination.y,m_destination.z);
pRenderer->Draw2dLabel(50,80,2.0f,color,false, " Current Dir: %.3f, %.3f, %.3f",currentVel.x,currentVel.y,currentVel.z);
pRenderer->Draw2dLabel(50,105,2.0f,color,false," Goal Dir: %.3f, %.3f, %.3f",goalDir.x,goalDir.y,goalDir.z);
}
float cosine = currentVel.Dot(goalDir);
cosine = CLAMP(cosine,-1.0f,1.0f);
float totalAngle = RAD2DEG(cry_acosf(cosine));
assert(totalAngle>=0);
if (cosine<0.99)
{
float maxAngle = m_turnSpeed*frameTime;
if (maxAngle>totalAngle)
maxAngle=totalAngle;
float t=(maxAngle/totalAngle)*m_lazyness;
assert(t>=0.0 && t<=1.0);
goalDir = Vec3::CreateSlerp(currentVel, goalDir, t);
goalDir.Normalize();
}
if(bDebug)
pRenderer->Draw2dLabel(50,180,2.0f,color,false,"Corrected Dir: %.3f, %.3f, %.3f",goalDir.x,goalDir.y,goalDir.z);
pe_action_set_velocity action;
action.v = goalDir * currentSpeed;
GetEntity()->GetPhysics()->Action(&action);
}
}
}
