Chit* LumosChitBag::NewItemChit( const grinliz::Vector3F& _pos, GameItem* orphanItem, bool fuzz, bool onGround, int selfDestructTimer )
{
GLASSERT( !orphanItem->Intrinsic() );
GLASSERT( !orphanItem->IResourceName().empty() );
Vector3F pos = _pos;
if ( fuzz ) {
pos.x = floorf(pos.x) + random.Uniform();
pos.z = floorf(pos.z) + random.Uniform();
}
Chit* chit = this->NewChit();
chit->Add( new ItemComponent( orphanItem ));
chit->Add( new RenderComponent( orphanItem->ResourceName() ));
chit->Add(new GameMoveComponent());
if ( onGround ) {
const ModelResource* res = chit->GetRenderComponent()->MainResource();
Rectangle3F aabb = res->AABB();
pos.y = -aabb.min.y;
if ( aabb.SizeY() < 0.1f ) {
pos.y += 0.1f;
}
}
chit->SetPosition( pos );
chit->Add( new HealthComponent());
if (!selfDestructTimer && orphanItem->keyValues.Has(ISC::selfDestruct)) {
orphanItem->keyValues.Get("selfDestruct", &selfDestructTimer);
selfDestructTimer *= 1000;
}
if ( selfDestructTimer ) {
chit->Add( new CountDownScript( selfDestructTimer ));
}
return chit;
}
int grinliz::IntersectRayAllAABB( const Vector3F& origin, const Vector3F& dir,
const Rectangle3F& aabb,
int* inTest,
Vector3F* inIntersect,
int *outTest,
Vector3F* outIntersect )
{
// Could be more efficient, but looking for simplicity as I write this.
float t;
// First check if we hit the box at all, and that establishes in test.
*inTest = IntersectRayAABB( origin, dir, aabb, inIntersect, &t );
if ( *inTest == grinliz::REJECT ) {
*outTest = grinliz::REJECT;
return grinliz::REJECT;
}
// Could get fancy and intersect from the inside. But that's hard, so I'll run
// the ray out and shoot it backwards.
float deltaLen = aabb.SizeX() + aabb.SizeY() + aabb.SizeZ();
Vector3F dirNormal = dir;
dirNormal.Normalize();
Vector3F invOrigin = origin + dir*deltaLen;
Vector3F invDir = -dirNormal;
*outTest = IntersectRayAABB( invOrigin, invDir, aabb, outIntersect, &t );
GLASSERT( *outTest != grinliz::INSIDE ); // bad algorith.
if ( *outTest == grinliz::REJECT ) {
// some strange floating point thing. Hit a corner. Reject everything.
*inTest = grinliz::REJECT;
return grinliz::REJECT;
}
return grinliz::INTERSECT;
}