//------------------------------------------------------------------------
float CGameRulesMPDamageHandling::CalcExplosionDamage(IEntity* entity, const ExplosionInfo &explosionInfo, float obstruction)
{
// impact explosions directly damage the impact target
if (explosionInfo.impact && explosionInfo.impact_targetId && explosionInfo.impact_targetId==entity->GetId())
{
return explosionInfo.damage;
}
float effect = 0.f;
AABB entityAABB;
entity->GetWorldBounds(entityAABB);
float distanceSq = entityAABB.GetDistanceSqr(explosionInfo.pos);
if (distanceSq <= explosionInfo.radius * explosionInfo.radius)
{
if (distanceSq <= explosionInfo.minRadius * explosionInfo.minRadius)
{
effect = 1.f;
}
else
{
effect = 1.f - (sqrtf(distanceSq) - explosionInfo.minRadius) / (explosionInfo.radius - explosionInfo.minRadius);
effect *= effect;
}
}
CRY_ASSERT_TRACE (effect >= 0.0f && effect <= 1.0f, ("Effectiveness of explosion should be between 0 and 1 but it's %.3f (distance = %.3f, minRadius=%.3f, maxRadius=%.3f)", effect, sqrtf(distanceSq), explosionInfo.minRadius, explosionInfo.radius));
return explosionInfo.damage * effect * (1.0f - sqr(obstruction));
}
//------------------------------------------------------------------------
void CGameRules::ClientExplosion(const ExplosionInfo &explosionInfo)
{
// let 3D engine know about explosion (will create holes and remove vegetation)
if (explosionInfo.hole_size > 1.0f && gEnv->p3DEngine->GetIVoxTerrain())
{
gEnv->p3DEngine->OnExplosion(explosionInfo.pos, explosionInfo.hole_size, true);
}
TExplosionAffectedEntities affectedEntities;
if (gEnv->bServer)
{
CullEntitiesInExplosion(explosionInfo);
pe_explosion explosion;
explosion.epicenter = explosionInfo.pos;
explosion.rmin = explosionInfo.minRadius;
explosion.rmax = explosionInfo.radius;
if (explosion.rmax==0)
explosion.rmax=0.0001f;
explosion.r = explosion.rmin;
explosion.impulsivePressureAtR = explosionInfo.pressure;
explosion.epicenterImp = explosionInfo.pos;
explosion.explDir = explosionInfo.dir;
explosion.nGrow = 0;
explosion.rminOcc = 0.07f;
// we separate the calls to SimulateExplosion so that we can define different radii for AI and physics bodies
explosion.holeSize = 0.0f;
explosion.nOccRes = explosion.rmax>50.0f ? 0:16;
gEnv->pPhysicalWorld->SimulateExplosion( &explosion, 0, 0, ent_living);
CreateScriptExplosionInfo(m_scriptExplosionInfo, explosionInfo);
UpdateAffectedEntitiesSet(affectedEntities, &explosion);
// check vehicles
IVehicleSystem *pVehicleSystem = g_pGame->GetIGameFramework()->GetIVehicleSystem();
uint32 vcount = pVehicleSystem->GetVehicleCount();
if (vcount > 0)
{
IVehicleIteratorPtr iter = g_pGame->GetIGameFramework()->GetIVehicleSystem()->CreateVehicleIterator();
while (IVehicle* pVehicle = iter->Next())
{
if(IEntity *pEntity = pVehicle->GetEntity())
{
AABB aabb;
pEntity->GetWorldBounds(aabb);
IPhysicalEntity* pEnt = pEntity->GetPhysics();
if (pEnt && aabb.GetDistanceSqr(explosionInfo.pos) <= explosionInfo.radius*explosionInfo.radius)
{
float affected = gEnv->pPhysicalWorld->CalculateExplosionExposure(&explosion, pEnt);
AddOrUpdateAffectedEntity(affectedEntities, pEntity, affected);
}
}
}
}
explosion.rmin = explosionInfo.minPhysRadius;
explosion.rmax = explosionInfo.physRadius;
if (explosion.rmax==0)
explosion.rmax=0.0001f;
explosion.r = explosion.rmin;
explosion.holeSize = explosionInfo.hole_size;
if (explosion.nOccRes>0)
explosion.nOccRes = -1; // makes second call re-use occlusion info
gEnv->pPhysicalWorld->SimulateExplosion( &explosion, 0, 0, ent_rigid|ent_sleeping_rigid|ent_independent|ent_static | ent_delayed_deformations);
UpdateAffectedEntitiesSet(affectedEntities, &explosion);
CommitAffectedEntitiesSet(m_scriptExplosionInfo, affectedEntities);
float fSuitEnergyBeforeExplosion = 0.0f;
float fHealthBeforeExplosion = 0.0f;
IActor *pClientActor = g_pGame->GetIGameFramework()->GetClientActor();
if(pClientActor)
{
fHealthBeforeExplosion = (float)pClientActor->GetHealth();
}
CallScript(m_serverStateScript, "OnExplosion", m_scriptExplosionInfo);
if(pClientActor)
{
float fDeltaHealth = fHealthBeforeExplosion - static_cast<CPlayer *>(pClientActor)->GetHealth();
if(fDeltaHealth >= 20.0f)
{
SAFE_GAMEAUDIO_SOUNDMOODS_FUNC(AddSoundMood(SOUNDMOOD_EXPLOSION, MIN(fDeltaHealth, 100.0f) ));
}
}
// call hit listeners if any
if (m_hitListeners.empty() == false)
{
for (size_t i = 0; i < m_hitListeners.size(); )
{
size_t count = m_hitListeners.size();
m_hitListeners[i]->OnServerExplosion(explosionInfo);
if (count == m_hitListeners.size())
i++;
else
continue;
}
}
}
if (gEnv->IsClient())
{
if (explosionInfo.pParticleEffect)
explosionInfo.pParticleEffect->Spawn(true, IParticleEffect::ParticleLoc(explosionInfo.pos, explosionInfo.dir, explosionInfo.effect_scale));
if (!gEnv->bServer)
{
CreateScriptExplosionInfo(m_scriptExplosionInfo, explosionInfo);
}
else
{
affectedEntities.clear();
CommitAffectedEntitiesSet(m_scriptExplosionInfo, affectedEntities);
}
CallScript(m_clientStateScript, "OnExplosion", m_scriptExplosionInfo);
// call hit listeners if any
if (m_hitListeners.empty() == false)
{
THitListenerVec::iterator iter = m_hitListeners.begin();
while (iter != m_hitListeners.end())
{
(*iter)->OnExplosion(explosionInfo);
++iter;
}
}
}
ProcessClientExplosionScreenFX(explosionInfo);
ProcessExplosionMaterialFX(explosionInfo);
if (gEnv->pAISystem && !gEnv->bMultiplayer)
{
// Associate event with vehicle if the shooter is in a vehicle (tank cannon shot, etc)
EntityId ownerId = explosionInfo.shooterId;
IActor* pActor = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(ownerId);
if (pActor && pActor->GetLinkedVehicle() && pActor->GetLinkedVehicle()->GetEntityId())
ownerId = pActor->GetLinkedVehicle()->GetEntityId();
if (ownerId != 0)
{
SAIStimulus stim(AISTIM_EXPLOSION, 0, ownerId, 0,
explosionInfo.pos, ZERO, explosionInfo.radius);
gEnv->pAISystem->RegisterStimulus(stim);
SAIStimulus stimSound(AISTIM_SOUND, AISOUND_EXPLOSION, ownerId, 0,
explosionInfo.pos, ZERO, explosionInfo.radius * 3.0f, AISTIMPROC_FILTER_LINK_WITH_PREVIOUS);
gEnv->pAISystem->RegisterStimulus(stimSound);
}
}
}
//------------------------------------------------------------------------
void CGameRules::ClientExplosion(const ExplosionInfo &explosionInfo)
{
// let 3D engine know about explosion (will create holes and remove vegetation)
//if (explosionInfo.hole_size > 0.0f)
//{
//gEnv->p3DEngine->OnExplosion(explosionInfo.pos, explosionInfo.hole_size, true);
//}
TExplosionAffectedEntities affectedEntities;
if (gEnv->bServer)
{
CullEntitiesInExplosion(explosionInfo);
pe_explosion explosion;
explosion.epicenter = explosionInfo.pos;
explosion.rmin = explosionInfo.minRadius;
explosion.rmax = explosionInfo.radius;
if (explosion.rmax==0)
explosion.rmax=0.0001f;
explosion.r = explosion.rmin;
explosion.impulsivePressureAtR = explosionInfo.pressure;
explosion.epicenterImp = explosionInfo.pos;
explosion.explDir = explosionInfo.dir;
explosion.nGrow = 2;
explosion.rminOcc = 0.07f;
// we separate the calls to SimulateExplosion so that we can define different radii for AI and physics bodies
explosion.holeSize = 0.0f;
explosion.nOccRes = explosion.rmax>50.0f ? 0:32;
gEnv->pPhysicalWorld->SimulateExplosion( &explosion, 0, 0, ent_living);
CreateScriptExplosionInfo(m_scriptExplosionInfo, explosionInfo);
UpdateAffectedEntitiesSet(affectedEntities, &explosion);
// check vehicles
IVehicleSystem *pVehicleSystem = g_pGame->GetIGameFramework()->GetIVehicleSystem();
uint32 vcount = pVehicleSystem->GetVehicleCount();
if (vcount > 0)
{
IVehicleIteratorPtr iter = g_pGame->GetIGameFramework()->GetIVehicleSystem()->CreateVehicleIterator();
while (IVehicle* pVehicle = iter->Next())
{
if(IEntity *pEntity = pVehicle->GetEntity())
{
AABB aabb;
pEntity->GetWorldBounds(aabb);
IPhysicalEntity* pEnt = pEntity->GetPhysics();
if (pEnt && aabb.GetDistanceSqr(explosionInfo.pos) <= explosionInfo.radius*explosionInfo.radius)
{
float affected = gEnv->pPhysicalWorld->CalculateExplosionExposure(&explosion, pEnt);
AddOrUpdateAffectedEntity(affectedEntities, pEntity, affected);
}
}
}
}
explosion.rmin = explosionInfo.minPhysRadius;
explosion.rmax = explosionInfo.physRadius;
if (explosion.rmax==0)
explosion.rmax=0.0001f;
explosion.r = explosion.rmin;
explosion.holeSize = explosionInfo.hole_size;
explosion.nOccRes = -1; // makes second call re-use occlusion info
gEnv->pPhysicalWorld->SimulateExplosion( &explosion, 0, 0, ent_rigid|ent_sleeping_rigid|ent_independent|ent_static );
UpdateAffectedEntitiesSet(affectedEntities, &explosion);
CommitAffectedEntitiesSet(m_scriptExplosionInfo, affectedEntities);
float fSuitEnergyBeforeExplosion = 0.0f;
float fHealthBeforeExplosion = 0.0f;
IActor *pClientActor = g_pGame->GetIGameFramework()->GetClientActor();
if(pClientActor)
{
fSuitEnergyBeforeExplosion = static_cast<CPlayer *>(pClientActor)->GetNanoSuit()->GetSuitEnergy();
fHealthBeforeExplosion = pClientActor->GetHealth();
}
CallScript(m_serverStateScript, "OnExplosion", m_scriptExplosionInfo);
if(pClientActor)
{
float fDeltaSuitEnergy = fSuitEnergyBeforeExplosion - static_cast<CPlayer *>(pClientActor)->GetNanoSuit()->GetSuitEnergy();
float fDeltaHealth = fHealthBeforeExplosion - pClientActor->GetHealth();
if(fDeltaSuitEnergy >= 50.0f || fDeltaHealth >= 20.0f)
{
SAFE_SOUNDMOODS_FUNC(AddSoundMood(SOUNDMOOD_EXPLOSION,MIN(fDeltaSuitEnergy+fDeltaHealth,100.0f)));
}
}
// call hit listeners if any
if (m_hitListeners.empty() == false)
{
THitListenerVec::iterator iter = m_hitListeners.begin();
while (iter != m_hitListeners.end())
{
(*iter)->OnServerExplosion(explosionInfo);
++iter;
}
}
}
if (gEnv->bClient)
{
if (explosionInfo.pParticleEffect)
explosionInfo.pParticleEffect->Spawn(true, IParticleEffect::ParticleLoc(explosionInfo.pos, explosionInfo.dir, explosionInfo.effect_scale));
if (!gEnv->bServer)
{
CreateScriptExplosionInfo(m_scriptExplosionInfo, explosionInfo);
}
else
{
affectedEntities.clear();
CommitAffectedEntitiesSet(m_scriptExplosionInfo, affectedEntities);
}
CallScript(m_clientStateScript, "OnExplosion", m_scriptExplosionInfo);
// call hit listeners if any
if (m_hitListeners.empty() == false)
{
THitListenerVec::iterator iter = m_hitListeners.begin();
while (iter != m_hitListeners.end())
{
(*iter)->OnExplosion(explosionInfo);
++iter;
}
}
}
ProcessClientExplosionScreenFX(explosionInfo);
ProcessExplosionMaterialFX(explosionInfo);
IEntity *pShooter = m_pEntitySystem->GetEntity(explosionInfo.shooterId);
if (gEnv->pAISystem && !gEnv->bMultiplayer)
{
IAIObject *pShooterAI(pShooter!=NULL ? pShooter->GetAI() : NULL);
gEnv->pAISystem->ExplosionEvent(explosionInfo.pos,explosionInfo.radius, pShooterAI);
}
}
