Function InitializePickup

TombEngine/Game/pickup/pickup.cpp:1072–1135

}

void InitializePickup(short itemNumber)
{
	auto* item = &g_Level.Items[itemNumber];
	auto bounds = GameBoundingBox(item);

	item->Data = CollisionInfo();
	auto* coll = (CollisionInfo*)item->Data;
	coll->Setup.Radius = std::max(bounds.GetWidth(), bounds.GetDepth());
	coll->Setup.Height = bounds.GetHeight();

	short triggerFlags = item->TriggerFlags & 0x3F;
	if (triggerFlags == 5)
	{
		item->ItemFlags[0] = item->Pose.Position.y - bounds.Y2;
		item->Status = ITEM_INVISIBLE;
	}
	else
	{
		if (triggerFlags == 0 ||
			triggerFlags == 3 ||
			triggerFlags == 4 ||
			triggerFlags == 7 ||
			triggerFlags == 8 ||
			triggerFlags == 11)
		{
			item->Pose.Position.y -= bounds.Y2;

			if (triggerFlags == 0)
			{
				// Automatically align pickups to the floor surface.
				auto pointColl = GetPointCollision(*item);
				int bridgeItemNumber = pointColl.GetSector().GetInsideBridgeItemNumber(item->Pose.Position, true, true);

				if (bridgeItemNumber != NO_VALUE)
				{
					// If pickup is within bridge item, most likely it means it is
					// below pushable or raising block, so ignore its collision.
					pointColl.GetSector().RemoveBridge(bridgeItemNumber);
					pointColl = GetPointCollision(*item);
					item->Pose.Position.y = pointColl.GetFloorHeight() - bounds.Y2;
					pointColl.GetSector().AddBridge(bridgeItemNumber);
				}
				else
				{
					item->Pose.Position.y = pointColl.GetFloorHeight() - bounds.Y2;
				}

				AlignEntityToSurface(item, Vector2(Objects[item->ObjectNumber].radius));
			}
		}
		
		if ((item->TriggerFlags & 0x80) != 0)
		{
			RPickups[NumRPickups] = itemNumber;
			NumRPickups++;
		}
		
		if (item->TriggerFlags & 0x100)