//------------------------------------------------------------------------
void CProjectile::Launch(const Vec3 &pos, const Vec3 &dir, const Vec3 &velocity, float speedScale)
{
m_destroying = false;
GetGameObject()->EnablePhysicsEvent(true, eEPE_OnCollisionLogged);
// Only for bullets
m_hitPoints = m_pAmmoParams->hitPoints;
m_hitListener = false;
if(m_hitPoints>0)
{
//Only projectiles with hit points are hit listeners
g_pGame->GetGameRules()->AddHitListener(this);
m_hitListener = true;
m_noBulletHits = m_pAmmoParams->noBulletHits;
}
Matrix34 worldTM=Matrix34(Matrix33::CreateRotationVDir(dir.GetNormalizedSafe()));
worldTM.SetTranslation(pos);
GetEntity()->SetWorldTM(worldTM);
//Must set velocity after position, if not velocity could be reseted for PE_RIGID
SetVelocity(pos, dir, velocity, speedScale);
m_initial_pos = pos;
m_initial_dir = dir;
m_initial_vel = velocity;
m_last = pos;
// Attach effect when fired (not first update)
if(m_trailEffectId<0)
TrailEffect(true);
IAIObject *pAI = 0;
if((pAI = GetEntity()->GetAI()) != NULL && pAI->GetAIType() == AIOBJECT_GRENADE)
{
IEntity *pOwnerEntity = gEnv->pEntitySystem->GetEntity(m_ownerId);
pe_status_dynamics dyn;
pe_status_dynamics dynProj;
if(pOwnerEntity->GetPhysics()
&& pOwnerEntity->GetPhysics()->GetStatus(&dyn)
&& GetEntity()->GetPhysics()->GetStatus(&dynProj))
{
// Vec3 ownerVel(dyn.v);
Vec3 grenadeDir(dynProj.v.GetNormalizedSafe());
// Trigger the signal at the predicted landing position.
Vec3 predictedPos = pos;
float dummySpeed;
if(GetWeapon())
GetWeapon()->PredictProjectileHit(pOwnerEntity->GetPhysics(), pos, dir, velocity, speedScale * m_pAmmoParams->speed, predictedPos, dummySpeed);
// Associate event with vehicle if the shooter is in a vehicle (tank cannon shot, etc)
EntityId ownerId = pOwnerEntity->GetId();
IActor *pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(ownerId);
if(pActor && pActor->GetLinkedVehicle() && pActor->GetLinkedVehicle()->GetEntityId())
ownerId = pActor->GetLinkedVehicle()->GetEntityId();
SAIStimulus stim(AISTIM_GRENADE, AIGRENADE_THROWN, ownerId, GetEntityId(),
predictedPos, ZERO, 20.0f);
gEnv->pAISystem->RegisterStimulus(stim);
}
}
}
//------------------------------------------------------------------------
void CProjectile::Launch(const Vec3 &pos, const Vec3 &dir, const Vec3 &velocity, float speedScale)
{
Matrix34 worldTM=Matrix34(Matrix33::CreateRotationVDir(dir.GetNormalizedSafe()));
worldTM.SetTranslation(pos);
GetEntity()->SetWorldTM(worldTM);
//Must set velocity after position, if not velocity could be reseted for PE_RIGID
SetVelocity(pos, dir, velocity, speedScale);
m_initial_pos = pos;
m_initial_dir = dir;
m_initial_vel = velocity;
m_last = pos;
// Attach effect when fired (not first update)
if (m_trailEffectId<0)
TrailEffect(true);
IAIObject* pAI = 0;
if ((pAI = GetEntity()->GetAI()) != NULL && pAI->GetAIType() == AIOBJECT_GRENADE)
{
IEntity *pOwnerEntity = gEnv->pEntitySystem->GetEntity(m_ownerId);
if (pOwnerEntity && pOwnerEntity->GetAI())
{
pe_status_dynamics dyn;
pe_status_dynamics dynProj;
if (pOwnerEntity->GetAI()->GetProxy() && pOwnerEntity->GetPhysics()
&& pOwnerEntity->GetPhysics()->GetStatus(&dyn)
&& GetEntity()->GetPhysics()->GetStatus(&dynProj))
{
Vec3 ownerVel( dyn.v);
Vec3 grenadeDir(dynProj.v.GetNormalizedSafe());
// Trigger the signal at the predicted landing position.
Vec3 predictedPos = pos;
float dummySpeed;
if (GetWeapon())
GetWeapon()->PredictProjectileHit(pOwnerEntity->GetPhysics(), pos, dir, velocity, speedScale * m_pAmmoParams->speed, predictedPos, dummySpeed);
/* bool res = pOwnerEntity->GetAI()->GetProxy()->GetSecWeapon()->PredictProjectileHit(
pOwnerEntity->GetPhysics(), GetEntity()->GetPos(), grenadeDir, ownerVel, 1, predictedPos, speed);*/
gEnv->pAISystem->GrenadeEvent(predictedPos, 0.0f, AIGE_GRENADE_THROWN, GetEntity(), pOwnerEntity);
// Inform the AI that sees the throw
/* IAIObject* pOwnerAI = pOwnerEntity->GetAI();
AutoAIObjectIter it(gEnv->pAISystem->GetFirstAIObjectInRange(IAISystem::OBJFILTER_TYPE, AIOBJECT_PUPPET, predictedPos, 20.0f, false));
for(; it->GetObject(); it->Next())
{
IAIObject* pAI = it->GetObject();
if (!pAI->IsEnabled()) continue;
if (pOwnerAI && !pOwnerAI->IsHostile(pAI,false))
continue;
// Only sense grenades that are on front of the AI and visible when thrown.
// Another signal is sent when the grenade hits the ground.
Vec3 delta = GetEntity()->GetPos() - pAI->GetPos(); // grenade to AI
float dist = delta.NormalizeSafe();
const float thr = cosf(DEG2RAD(160.0f));
if (delta.Dot(pAI->GetViewDir()) > thr)
{
ray_hit hit;
static const int objTypes = ent_static | ent_terrain | ent_rigid | ent_sleeping_rigid;
static const unsigned int flags = rwi_stop_at_pierceable|rwi_colltype_any;
int res = gEnv->pPhysicalWorld->RayWorldIntersection(pAI->GetPos(), delta*dist, objTypes, flags, &hit, 1);
if (!res || hit.dist > dist*0.9f)
{
IAISignalExtraData* pEData = gEnv->pAISystem->CreateSignalExtraData(); // no leak - this will be deleted inside SendAnonymousSignal
pEData->point = predictedPos;
pEData->nID = pOwnerEntity->GetId();
pEData->iValue = 1;
gEnv->pAISystem->SendSignal(SIGNALFILTER_SENDER, 1, "OnGrenadeDanger", pAI, pEData);
}
}
}
*/
}
}
}
}
//------------------------------------------------------------------------
void CBullet::HandleEvent(const SGameObjectEvent &event)
{
FUNCTION_PROFILER(GetISystem(), PROFILE_GAME);
CProjectile::HandleEvent(event);
if (event.event == eGFE_OnCollision)
{
if (m_destroying)
return;
EventPhysCollision *pCollision = reinterpret_cast<EventPhysCollision *>(event.ptr);
if (!pCollision)
return;
IEntity *pTarget = pCollision->iForeignData[1]==PHYS_FOREIGN_ID_ENTITY ? (IEntity*)pCollision->pForeignData[1]:0;
//Only process hits that have a target
if(pTarget)
{
Vec3 dir(0, 0, 0);
if (pCollision->vloc[0].GetLengthSquared() > 1e-6f)
dir = pCollision->vloc[0].GetNormalized();
CGameRules *pGameRules = g_pGame->GetGameRules();
IActor* pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(m_ownerId);
bool ok = true;
if(!gEnv->bMultiplayer && pActor && pActor->IsPlayer())
{
IActor* pAITarget = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(pTarget->GetId());
if(pAITarget && pTarget->GetAI() && pTarget->GetAI()->IsFriendly(pActor->GetEntity()->GetAI(), false))
{
pGameRules->SetEntityToIgnore(pTarget->GetId());
ok = false;
}
}
if(ok)
{
HitInfo hitInfo(m_ownerId, pTarget->GetId(), m_weaponId,
(float)m_damage, 0.0f, pGameRules->GetHitMaterialIdFromSurfaceId(pCollision->idmat[1]), pCollision->partid[1],
m_hitTypeId, pCollision->pt, dir, pCollision->n);
hitInfo.remote = IsRemote();
hitInfo.projectileId = GetEntityId();
hitInfo.bulletType = m_pAmmoParams->bulletType;
pGameRules->ClientHit(hitInfo);
// Notify AI
if (gEnv->pAISystem && !gEnv->bMultiplayer)
{
static int htMelee = pGameRules->GetHitTypeId("melee");
if (m_ownerId && m_hitTypeId != htMelee)
{
ISurfaceType *pSurfaceType = pGameRules->GetHitMaterial(hitInfo.material);
const ISurfaceType::SSurfaceTypeAIParams* pParams = pSurfaceType ? pSurfaceType->GetAIParams() : 0;
const float radius = pParams ? pParams->fImpactRadius : 2.5f;
const float soundRadius = pParams ? pParams->fImpactSoundRadius : 20.0f;
// Associate event with vehicle if the shooter is in a vehicle (tank cannon shot, etc)
EntityId ownerId = m_ownerId;
if (pActor && pActor->GetLinkedVehicle() && pActor->GetLinkedVehicle()->GetEntityId())
ownerId = pActor->GetLinkedVehicle()->GetEntityId();
SAIStimulus stim(AISTIM_BULLET_HIT, 0, ownerId, 0, pCollision->pt, ZERO, radius);
gEnv->pAISystem->RegisterStimulus(stim);
SAIStimulus stimSound(AISTIM_SOUND, AISOUND_COLLISION_LOUD, ownerId, 0, pCollision->pt, ZERO, soundRadius, AISTIMPROC_FILTER_LINK_WITH_PREVIOUS);
gEnv->pAISystem->RegisterStimulus(stimSound);
}
}
}
}
else
{
// Notify AI
// The above case only catches entity vs. entity hits, the AI is interested in all hits.
if (gEnv->pAISystem && !gEnv->bMultiplayer)
{
CGameRules *pGameRules = g_pGame->GetGameRules();
static int htMelee = pGameRules->GetHitTypeId("melee");
if (m_ownerId && m_hitTypeId != htMelee)
{
int material = pGameRules->GetHitMaterialIdFromSurfaceId(pCollision->idmat[1]);
ISurfaceType *pSurfaceType = pGameRules->GetHitMaterial(material);
const ISurfaceType::SSurfaceTypeAIParams* pParams = pSurfaceType ? pSurfaceType->GetAIParams() : 0;
const float radius = pParams ? pParams->fImpactRadius : 2.5f;
const float soundRadius = pParams ? pParams->fImpactSoundRadius : 20.0f;
// Associate event with vehicle if the shooter is in a vehicle (tank cannon shot, etc)
EntityId ownerId = m_ownerId;
IActor* pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(m_ownerId);
if (pActor && pActor->GetLinkedVehicle() && pActor->GetLinkedVehicle()->GetEntityId())
ownerId = pActor->GetLinkedVehicle()->GetEntityId();
SAIStimulus stim(AISTIM_BULLET_HIT, 0, ownerId, 0, pCollision->pt, ZERO, radius);
gEnv->pAISystem->RegisterStimulus(stim);
SAIStimulus stimSound(AISTIM_SOUND, AISOUND_COLLISION_LOUD, ownerId, 0, pCollision->pt, ZERO, soundRadius, AISTIMPROC_FILTER_LINK_WITH_PREVIOUS);
gEnv->pAISystem->RegisterStimulus(stimSound);
}
}
}
if (pCollision->pEntity[0]->GetType() == PE_PARTICLE)
{
float bouncy, friction;
uint32 pierceabilityMat;
gEnv->pPhysicalWorld->GetSurfaceParameters(pCollision->idmat[1], bouncy, friction, pierceabilityMat);
pierceabilityMat&=sf_pierceable_mask;
pe_params_particle params;
if(pCollision->pEntity[0]->GetParams(¶ms)==0)
SetDefaultParticleParams(¶ms);
//Under water trail
Vec3 pos=pCollision->pt;
if ((pCollision->idmat[1] == CBullet::m_waterMaterialId) &&
(pCollision->pEntity[1]!=gEnv->pPhysicalWorld->AddGlobalArea() || !gEnv->p3DEngine->GetVisAreaFromPos(pos)))
{
//Reduce drastically bullet velocity (to be able to see the trail effect)
//pe_params_particle pparams;
//if(m_pPhysicalEntity->GetParams(&pparams)==0)
//SetDefaultParticleParams(&pparams);
//pparams.velocity = 25.0f;
//m_pPhysicalEntity->SetParams(&pparams);
if(m_trailUnderWaterId<0)
{
//Check terrain/against water level
float terrainHeight = gEnv->p3DEngine->GetTerrainElevation(pCollision->pt.x,pCollision->pt.y);
float waterLevel = gEnv->p3DEngine->GetWaterLevel(&(pCollision->pt));
if(waterLevel>terrainHeight)
{
TrailEffect(true,true);
return;
}
}
}
if (pierceabilityMat<=params.iPierceability || pCollision->idCollider==-1) //Do not destroy if collides water
Destroy();
}
}
}
