float CGameRulesMPDamageHandling::CalculateFriendlyFireRatio(EntityId entityId1, EntityId entityId2)
{
CGameRules *pGameRules = m_pGameRules;
if (entityId1 != entityId2 && pGameRules->GetTeamCount() > 1)
{
int team1 = pGameRules->GetTeam(entityId1);
if( team1 == pGameRules->GetTeam(entityId2) )
{
return pGameRules->GetFriendlyFireRatio();
}
}
//Not on same team so full damage
return 1.f;
}
bool CCannonBall::ShouldSpawnBackSideEffect(IEntity* pHitTarget)
{
if(m_backSideEffectsDisabled)
return false;
if(m_ownerIsPlayer && pHitTarget)
{
IActor* pTarget = g_pGame->GetIGameFramework()->GetIActorSystem()->GetActor(pHitTarget->GetId());
if(pTarget)
{
CGameRules* pGameRules = g_pGame->GetGameRules();
if (pGameRules && pGameRules->GetFriendlyFireRatio() <= 0.f)
{
//if friendly fire is off don't spawn blood effect on teammates
return !pTarget->IsFriendlyEntity(m_ownerId);
}
}
}
return true;
}
float CGameRulesMPDamageHandling::ProcessActorKickedVehicle(IActor* victimActor, EntityId victimId, EntityId kickerId, EntityId vehicleId, float damage, const CGameRules::SCollisionHitInfo& collisionHitInfo)
{
float angSpeedSq = 0.f;
const IEntity* pVehicleEntity = gEnv->pEntitySystem->GetEntity(vehicleId);
if (pVehicleEntity)
{
IPhysicalEntity* pent = pVehicleEntity->GetPhysics();
if (pent)
{
pe_status_dynamics psd;
if (pent->GetStatus(&psd))
{
angSpeedSq = psd.w.GetLengthSquared();
}
}
}
const Vec3& actorVelocity = collisionHitInfo.velocity;
const Vec3& vehicleVelocity = collisionHitInfo.target_velocity;
const float vehicleSpeedSq = vehicleVelocity.GetLengthSquared() + angSpeedSq;
if (vehicleSpeedSq < 1.5f)
return 0.f;
float damageScale = 1.f;
if (g_pGameCVars->g_mpKickableCars)
{
if (kickerId==victimId || FindKickableCarRecord(vehicleId, victimId))
return 0.f;
CGameRules *pGameRules = g_pGame->GetGameRules();
if (pGameRules->GetTeamCount() > 1)
{
int kickerTeamId = pGameRules->GetTeam(kickerId);
int victimTeamId = pGameRules->GetTeam(victimId);
if (kickerTeamId==victimTeamId) // Friendly fire
{
float friendlyFireRatio = pGameRules->GetFriendlyFireRatio();
if (friendlyFireRatio>0.f)
{
damageScale = friendlyFireRatio;
}
else
{
return 0.f;
}
}
}
InsertKickableCarRecord(vehicleId, victimId);
}
// Damage, for now, is based purely on vehicle speed
const float vehicleKillSpeed = m_vehicleDamageSettings.killSpeed;
const float invVehicleKillSpeed = 1.f/(vehicleKillSpeed+0.01f);
const float maxActorHealth = victimActor->GetMaxHealth();
damage = 0.1f + sqrtf(vehicleSpeedSq+0.04f) * invVehicleKillSpeed;
damage = min(damage, 1.f) * maxActorHealth * damageScale;
return damage;
}
