// determines how good an item is
UINT32 ItemFitness( OBJECTTYPE* pObj, UINT8 idx )
{
	UINT32 value = 0;

	if ( Item[ pObj->usItem ].usItemClass & IC_ARMOUR )
	{
		value = Armour[ Item[ pObj->usItem ].ubClassIndex ].ubProtection * Armour[ Item[ pObj->usItem ].ubClassIndex ].ubCoverage * (*pObj)[idx]->data.objectStatus;
	}
	else if ( Item[ pObj->usItem ].usItemClass & IC_FACE )
	{
		if ( Item[ pObj->usItem ].gasmask )
			value = (*pObj)[idx]->data.objectStatus;
		else if ( Item[ pObj->usItem ].hearingrangebonus )
		{
			value = Item[ pObj->usItem ].hearingrangebonus;
		}
		else
		{
			value += (NightTime() ? Item[ pObj->usItem ].nightvisionrangebonus : Item[ pObj->usItem ].dayvisionrangebonus );
		}
	}
	else if ( Item[ pObj->usItem ].usItemClass & (IC_BLADE|IC_PUNCH) )
	{
		value = (*pObj)[idx]->data.objectStatus * Weapon[ Item[ pObj->usItem ].ubClassIndex ].ubImpact;
	}
	else if ( Item[ pObj->usItem ].usItemClass & (IC_GUN|IC_LAUNCHER) )
	{
		// value is damage * range * firing rate, modified by number of attachments and accuracy
		value = GetDamage(pObj) * GunRange(pObj, NULL) * max(1, GetAutofireShotsPerFiveAPs(pObj));

		value = value * (10 + (UINT32)GetGunAccuracy(pObj)) / 10;

		value = value * (10 + (*pObj)[0]->AttachmentListSize()) / 10;

		value *= (*pObj)[idx]->data.objectStatus;
	}
	// default
	else
	{
		value = (*pObj)[idx]->data.objectStatus * Item[pObj->usItem].ubCoolness;
	}

	return value;
}

// how much ammo does this item need?
UINT32 GetNeededTotalAmmo( UINT16 usItem )
{
	// determine what amount of ammo is deemed 'enough' for this gun
	return max(gGameExternalOptions.usMilitiaAmmo_Min, min(gGameExternalOptions.usMilitiaAmmo_Max, gGameExternalOptions.usMilitiaAmmo_OptimalMagCount * Weapon[ usItem ].ubMagSize));
}

// special version of ItemFitness() that takes ammo count into consideration
UINT32 ItemFitness_WithAmmo( OBJECTTYPE* pObj, UINT8 idx, UINT32 uiBullets )
{
	return (ItemFitness(pObj, idx) * uiBullets) / max(1, GetNeededTotalAmmo(pObj->usItem));
}