void PickUpItem()
{
//find the PlayerWeapons script in the FPS Prefab to access weaponOrder array
PlayerWeapons PlayerWeaponsComponent = Camera.main.transform.GetComponent <CameraKick>().weaponObj.GetComponent <PlayerWeapons>();
WeaponBehavior WeaponBehaviorComponent = weaponObj.GetComponent <WeaponBehavior>();
WeaponBehavior CurrentWeaponBehaviorComponent = PlayerWeaponsComponent.weaponOrder[PlayerWeaponsComponent.currentWeapon].GetComponent <WeaponBehavior>();
//if player does not have this weapon, pick it up
if (!WeaponBehaviorComponent.haveWeapon)
{
//if the player is at max weapons and this weapon takes up an inventory space, drop the current weapon before equipping this one
if (PlayerWeaponsComponent.totalWeapons == PlayerWeaponsComponent.maxWeapons && WeaponBehaviorComponent.addsToTotalWeaps)
{
//determine if this weapon can be dropped (weapons like fists or a sidearm can be set to not be droppable)
if (CurrentWeaponBehaviorComponent.droppable)
{
//drop current weapon if dropCurrentWeapon is true
if (removeOnUse && !WeaponBehaviorComponent.dropWillDupe && !CurrentWeaponBehaviorComponent.dropWillDupe)
{
PlayerWeaponsComponent.DropWeapon(PlayerWeaponsComponent.currentWeapon);
}
else //replace current weapon if dropCurrentWeapon is false
{
CurrentWeaponBehaviorComponent.haveWeapon = false;
CurrentWeaponBehaviorComponent.dropWillDupe = false;
//prevent dropping this weapon and creating duplicated ammo by picking up the weapon again from the non-destroyable pickup item
WeaponBehaviorComponent.dropWillDupe = true;
}
}
else //currently held weapon is not dropable, so find next item in the weaponOrder array that is droppable, and drop it
{
for (int i = PlayerWeaponsComponent.currentWeapon; i < PlayerWeaponsComponent.weaponOrder.Length; i++)
{
if (PlayerWeaponsComponent.weaponOrder[i].GetComponent <WeaponBehavior>().haveWeapon &&
PlayerWeaponsComponent.weaponOrder[i].GetComponent <WeaponBehavior>().droppable)
{
weaponToDrop = i; //found the weapon to drop, break loop
break;
//no weapon found to drop counting up from current weapon number in weaponOrder array, so start at zero and count upwards
}
else if (i == PlayerWeaponsComponent.weaponOrder.Length - 1)
{
for (int n = 0; n < PlayerWeaponsComponent.weaponOrder.Length; n++)
{
if (PlayerWeaponsComponent.weaponOrder[n].GetComponent <WeaponBehavior>().haveWeapon &&
PlayerWeaponsComponent.weaponOrder[n].GetComponent <WeaponBehavior>().droppable)
{
weaponToDrop = n;
break; //found the weapon to drop, break loop
}
}
}
}
if (removeOnUse && !WeaponBehaviorComponent.dropWillDupe) //drop the next weapon if dropCurrentWeapon is true and current weapon is not droppable
{
PlayerWeaponsComponent.DropWeapon(weaponToDrop);
}
else //replace the next weapon if dropCurrentWeapon is false and current weapon is not droppable
{
PlayerWeaponsComponent.weaponOrder[weaponToDrop].GetComponent <WeaponBehavior>().haveWeapon = false;
PlayerWeaponsComponent.weaponOrder[weaponToDrop].GetComponent <WeaponBehavior>().dropWillDupe = false;
//prevent dropping this weapon and creating duplicated ammo by picking up the weapon again from the non-destroyable pickup item
WeaponBehaviorComponent.dropWillDupe = true;
}
}
}
//update haveWeapon value of new weapon's WeaponBehavior.cs component
WeaponBehaviorComponent.haveWeapon = true;
if (!removeOnUse)
{
WeaponBehaviorComponent.dropWillDupe = true;
}
else
{
WeaponBehaviorComponent.dropWillDupe = false;
}
//select the weapon after picking it up
PlayerWeaponsComponent.StartCoroutine(PlayerWeaponsComponent.SelectWeapon(WeaponBehaviorComponent.weaponNumber));
//update the total weapon amount in PlayerWeapons.cs
PlayerWeaponsComponent.UpdateTotalWeapons();
//remove pickup item from game world and play sound
RemovePickup();
}
else //the player already has this weapon, so give them ammo instead
{
if ((WeaponBehaviorComponent.ammo < WeaponBehaviorComponent.maxAmmo && removeOnUse) && //player is not carrying max ammo for this weapon
WeaponBehaviorComponent.meleeSwingDelay == 0) //player is not trying to pick up a melee weapon they already have
{
if (WeaponBehaviorComponent.ammo + WeaponBehaviorComponent.bulletsPerClip > WeaponBehaviorComponent.maxAmmo)
{
//just give player max ammo if they only are a few bullets away from having max ammo
WeaponBehaviorComponent.ammo = WeaponBehaviorComponent.maxAmmo;
}
else
{
//give player the bulletsPerClip amount if they already have this weapon
WeaponBehaviorComponent.ammo += WeaponBehaviorComponent.bulletsPerClip;
}
RemovePickup(); //remove pickup item from game world and play sound
}
else
{
//if player has weapon and is at max ammo, just play beep sound
if (fullSound)
{
AudioSource.PlayClipAtPoint(fullSound, myTransform.position, 0.75f);
}
}
}
}
