Function pickupItem

TheForceEngine/TFE_DarkForces/pickup.cpp:133–342

	}
		
	void pickupItem(MessageType msg)
	{
		Pickup* pickup = (Pickup*)s_msgTarget;
		SecObject* entity = (SecObject*)s_msgEntity;
		if (msg == MSG_DAMAGE || msg == MSG_EXPLOSION)
		{
			return;
		}
		// Only the player can pickup an item.
		if (entity && !(entity->entityFlags & ETFLAG_PLAYER))
		{
			return;
		}

		JBool pickedUpItem = s_playerDying ? JFALSE : JTRUE;
		// Cannot pickup items while dying!
		if (!pickedUpItem)
		{
			return;
		}

		// Handle pickup based on type.
		if (pickup->type == ITYPE_WEAPON)
		{
			s32 maxAmount = pickup->maxAmount;
			if (!(*pickup->playerItem) || *pickup->playerAmmo < maxAmount)
			{
				*pickup->playerAmmo = pickup_addToValue(*pickup->playerAmmo, pickup->amount, maxAmount);
				if (*pickup->playerItem)
				{
					// Player already has the weapon, so show ammo message
					hud_sendTextMessage(pickup->msgId[1]);
				}
				else
				{
					// Add the weapon
					*pickup->playerItem = JTRUE;
					hud_sendTextMessage(pickup->msgId[0]);
					s_playerInfo.newWeapon = pickup->weaponIndex;
				}
			}
			else
			{
				pickedUpItem = JFALSE;
			}
		}
		else if (pickup->type == ITYPE_AMMO)
		{
			// Shield powerups cannot be picked up while invincibility is enabled even if shields are at less than maximum.
			if (pickup->id == ITEM_SHIELD && s_invincibility)
			{
				pickedUpItem = JFALSE;
			}
			s32 curValue = *pickup->playerAmmo;
			if (pickedUpItem && curValue < pickup->maxAmount)
			{
				*pickup->playerAmmo = pickup_addToValue(*pickup->playerAmmo, pickup->amount, pickup->maxAmount);
				hud_sendTextMessage(pickup->msgId[0]);