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();
}
}
}
void CLaser::Fire()
{
//Get matrix for current player location and forward vector
tlx::CMatrix4x4 matrix;
GetParent()->GetMatrix(matrix.m);
//Create forward vector (z axis)
CVector3 direction(matrix.m[8], matrix.m[9], matrix.m[10]);
//Get position from matrix
//Since we've already got the matrix it's slightly more efficient than calling GetParent()->GetCenterPoint()
CVector3 pos(matrix.m[12], OFF_SCREEN_Y, matrix.m[14]);
//Calculate the rotation of the parent entity, just so it only needs to be calculated once
float rotation = GetParent()->GetRotation();
//Makes the space between invisible bullets 2.0f instead of 1.0f
direction *= 2.0f;
for (int i = 0; i < 70; i++)
{
CProjectile* bullet = new CProjectile();
bullet->SetPosition(pos);
bullet->SetRotation(rotation);
bullet->SetDamage(GetDamage());
bullet->SetSpeed(GetProjSpeed());
bullet->SetParent(GetParent());
bullet->SetExplodeable(false);
GetBulletList()->push_back(unique_ptr<CProjectile>(bullet));
//Increment position of next bullet
pos += direction;
}
}
