- Change D1X to use D2X rules regarding Vulcan cannon pickup. The D1X
rules were confusing at best, and seem outright wrong in some ways.
- When a Vulcan cannon was picked up, it was treated as containing not
less than VULCAN_WEAPON_AMMO_AMOUNT rounds, regardless of what it
actually contained. D2X respected the actual contained count, even
when running in D1X emulation mode.
- In D1X single player, if the Vulcan cannon was not picked up, then
it could be treated as Vulcan ammo. If at least 1 unit of
ammunition was added to the player, the entire powerup would be
consumed, regardless of how much ammunition remained.
- In D2X single player, if the Vulcan cannon was not picked up, then
ammunition would be taken from it, but the powerup would only be
consumed if all its ammunition was taken.
- In D1X multiplayer, a player who already had a Vulcan cannon could
not get anything from touching a new cannon, and the cannon would
not be changed.
- In D2X multiplayer, a player who already had a Vulcan cannon could
take ammunition from the cannon, but the cannon could not be drained
below VULCAN_AMMO_AMOUNT. If the cannon had VULCAN_AMMO_AMOUNT or
less, then the player could not take ammunition. If the cannon had
more, the player could drain it to that level.
- Replace all that with a simplified version of the D2X rules:
- If the player does not have the cannon, the cannon is picked up
and removed from the mine. The player takes as much of its
ammunition as possible. If the cannon was well stocked, and the
player was nearly full, some ammunition will be lost. This is
unfortunate, but the game has always had this rule, and changing
it would require dropping one or more Vulcan Ammo packs to
represent the untaken ammunition.
- If the player already had that cannon, then the player takes as
much ammunition as the cannon has, while not exceeding the
ammunition cap. Other players, if any, are updated about how much
ammunition remains in the cannon. The cannon remains in the mine.
- Backport to D1X the network message for updating the contained
ammunition in a vulcan cannon. zico added the basic feature in
7684ce92, but only applied it to D2X. With the change to let D1X
multiplayer take ammunition from the cannon, D1X now needs the same
feature.
- Remove the special case to delete an empty cannon. Instead, let the
cannon remain in the mine without ammunition. This allows a player in
single player mode to leave behind a backup cannon, which could be
useful if the player is killed and wishes to rearm before returning to
the death site. Similarly, under the new rule that players in
multiplayer can drain the cannon down to 0 ammunition, this removal
allows the cannon to remain behind for someone else to take, rather
than allowing it to be deleted by a player who already had an instance
of it.
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