void CProjectileHandler::CheckGroundCollisions(ProjectileContainer& pc) {
ProjectileContainer::iterator pci;
for (pci = pc.begin(); pci != pc.end(); ++pci) {
CProjectile* p = *pci;
if (!p->checkCol) {
continue;
}
// NOTE: if <p> is a MissileProjectile and does not
// have selfExplode set, it will never be removed (!)
if (p->GetCollisionFlags() & Collision::NOGROUND) {
continue;
}
// NOTE: don't add p->radius to groundHeight, or most
// projectiles will collide with the ground too early
const float groundHeight = ground->GetHeightReal(p->pos.x, p->pos.z);
const bool belowGround = (p->pos.y < groundHeight);
const bool insideWater = (p->pos.y <= 0.0f && !belowGround);
const bool ignoreWater = p->ignoreWater;
if (belowGround || (insideWater && !ignoreWater)) {
// if position has dropped below terrain or into water
// where we cannot live, adjust it and explode us now
// (if the projectile does not set deleteMe = true, it
// will keep hugging the terrain)
p->pos.y = belowGround? groundHeight: 0.0f;
p->Collision();
}
}
}
void CProjectileHandler::CheckGroundCollisions(ProjectileContainer& pc)
{
for (size_t i = 0; i < pc.size(); ++i) {
CProjectile* p = pc[i];
if (!p->checkCol)
continue;
// NOTE:
// if <p> is a MissileProjectile and does not have
// selfExplode set, tbis will cause it to never be
// removed (!)
if (p->GetCollisionFlags() & Collision::NOGROUND)
continue;
// don't collide with ground yet if last update scheduled a bounce
if (p->weapon && static_cast<const CWeaponProjectile*>(p)->HasScheduledBounce())
continue;
// NOTE:
// don't add p->radius to groundHeight, or most (esp. modelled)
// projectiles will collide with the ground one or more frames
// too early
const float groundHeight = CGround::GetHeightReal(p->pos.x, p->pos.z);
const bool belowGround = (p->pos.y < groundHeight);
const bool insideWater = (p->pos.y <= 0.0f && !belowGround);
const bool ignoreWater = p->ignoreWater;
if (belowGround || (insideWater && !ignoreWater)) {
// if position has dropped below terrain or into water
// where we can not live, adjust it and explode us now
// (if the projectile does not set deleteMe = true, it
// will keep hugging the terrain)
p->SetPosition(p->pos * XZVector + UpVector * groundHeight * belowGround);
p->Collision();
}
}
}
