Difference between revisions of "Power Up Canteen"

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(Added two facts that have been discovered in source files)
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** The Building Upgrade buff canteen has a different color.
 
** The Building Upgrade buff canteen has a different color.
 
* On one of the update pages there is a torn photo next to the canteens, indicating that there may have been a sixth upgrade.
 
* On one of the update pages there is a torn photo next to the canteens, indicating that there may have been a sixth upgrade.
 +
* Two unused canteen types exist in source game files. Their internal names are RADIUS_STEALTH and SEE_CASH_THROUGH_WALL, and the actual effect of them is unknown.
 +
* An alternative canteen price formula with Canteen Specialist upgrade purchased exists in source game files. The price would be decreased on 10 percents from original value per every upgrade tick, and the minimum price would be 1 credit. <ref>game\shared\tf\tf_gamerules.cpp:L3013-3014</ref>
  
 
== Bugs ==
 
== Bugs ==

Revision as of 23:34, 14 October 2021

“
Here at Mann Co., we take care of our mercs. After you’ve completed your first mission, you will get, free of charge, one Mann Co.-brand canteen. It's equippable in your action slot and filled to the damn brim with life-giving air. If air’s not your thing, these canteens can also be filled with a variety of power-ups at an Upgrade Station.
”

The Power Up Canteen is a default action item used in the Mann vs. Machine game mode. It is an empty brownish-beige canister similar to a drinking canteen, worn on the belt or back and additionally adorned according to the power-up that it's "filled" with. This item was originally obtained by completing your first Mann vs. Machine mission or via the crafting system.

When equipped and filled at an Upgrade Station, it is valid for up to three uses. Using the Canteen will alert the entire team via a sound cue as well as a message in the chat box. If it is not equipped, a notification will be displayed allowing you to equip it by pressing J or cancel by pressing K. The notification will continue to be displayed until you equip it, as long as you are on a Mann vs. Machine map.

The Power Up Canteen also doubles as a cosmetic item, showing up on the class model's belt.

Medics have the option of giving their Medi Gun the "Canteen Specialist" upgrade, which applies the effects of any Canteen the Medic uses to the player they are healing. The effect is instant and only applies to the one teammate being healed upon usage; boosts of timed duration cannot be shared across multiple teammates like ÜberCharges can. The Canteen Specialist upgrade also reduces the cost of refills for the Medic by 10 per level (with a minimum of 5) and increases the duration of any timed effects by one second per level.

Buff types

There are currently 5 buff types. You can only fill one canteen with the same buff, each with up to 3 uses. After being filled, the canteen changes its appearance, though they all glow.

Image Type Usage Cost
UberCharge Canteen.png Übercharge Supplies 5 seconds of ÜberCharge to user and a Wrangler shield that blocks 90% of damage to their Sentry Gun. 75 credits
Critical Hit Boost Canteen.png Critical Hit Boost Full critical hits for 5 seconds. Triples firing rate of user's Sentry Gun for 5 seconds. 100 credits
Ammo Clip Refill Canteen.png Ammo and Clip Refill Instant ammo and clip refill. Also refills Metal and Sapper; does not refill Sentry Gun ammo or Cloak. 25 credits
Return to Base Canteen.png Teleport to Spawn Immediately returns user to the respawn room and supplies a temporary speed boost. Cannot be shared by Medics. 10 credits
Buildings Upgrade Canteen.png Building Upgrade Upgrades user's buildings to Level 3 and fully repairs all existing buildings almost instantly. Only available to Engineers. 50 credits

Demonstration

Crafting

See also: Crafting

Blueprint

Scrap Metal Power Up Canteen
Item icon Scrap Metal.pngx4 = Item icon Power Up Canteen.png

Related achievements

Mvm navicon.png Mann vs. Machievements

German Engineering
 German Engineering
Use a canteen charged with 'ÜberCharge' to destroy 15 robots.


Ghost in the Machine
 Ghost in the Machine
Use a canteen charged with 'Teleport to Spawn' and then kill the bomb carrier within 5 seconds.


Kritical Terror
 Kritical Terror
Use a canteen charged with 'Crit Boost' to destroy a giant robot.
Undelete
 Undelete
During a wave, use a canteen charged with 'Instant Building Upgrade' to build a new sentry gun within 3 seconds of your previous sentry gun's destruction.


Vial Sharing
 Vial Sharing
As a Medic, share your canteen 5 times in a single wave.


Shell Extension
 Shell Extension
During a wave, use a canteen charged with 'Ammo Reload' to refill an empty weapon slot.

Update history

August 15, 2012 Patch (Mann vs. Machine Update)

  • [Undocumented] Added Power Up Canteen to the game.

April 3, 2013 Patch

  • Fixed a bug in Mann Vs. Machine related to carrying buildings and using the "Building Upgrade" canteen.

November 6, 2013 Patch

  • [Undocumented] Fixed the bug that made the Battery Canteens and Power Up Canteen unusable.

February 29, 2016 Patch

  • [Undocumented] Added a normal quality Power Up Canteen as a default action item.

Unused content

  • Backpack icons for each buff type exists in the game files. These backpack icons shows a different texture comparing to the final ones:
    • The Übercharge buff canteen has a cross icon instead of an Übercharge icon.
    • The Critical Hit Boost buff canteen has a lightning bolt icon instead of a Kritz icon.
    • The Ammo and Clip Refill buff canteen is darker.
    • The Teleport to Spawn buff canteen has two arrows as an icon instead of a house icon.
    • The Building Upgrade buff canteen has a different color.
  • On one of the update pages there is a torn photo next to the canteens, indicating that there may have been a sixth upgrade.
  • Two unused canteen types exist in source game files. Their internal names are RADIUS_STEALTH and SEE_CASH_THROUGH_WALL, and the actual effect of them is unknown.
  • An alternative canteen price formula with Canteen Specialist upgrade purchased exists in source game files. The price would be decreased on 10 percents from original value per every upgrade tick, and the minimum price would be 1 credit. [1]

Bugs

  • Using a Building Upgrade Canteen while hauling a building results in various buggy effects.
    • If the building is a Sentry Gun, the Engineer will appear to have a Level 3 Sentry in front of him. When he places it, it will take damage, and be placed as a Level 1 Sentry Gun.
    • If the building is a Dispenser, the Engineer will appear to have a Level 3 Dispenser in front of him. However, the Ammo screen will be blank. When he places it, it will take damage, however, it will remain at Level 3.
    • If the building is a Teleporter, rings of light from an active Teleporter will be left where he was standing. When he places it, it will take damage, and the rings of light will disappear. Like the Dispenser, it will remain at Level 3.
  • The Ammo Refill Canteen suffers from several bugs.
  • Activating 'MMPH' with the Phlogistinator as soon the Übercharge Canteen is about to run out will cause the invulnerability effects of the 'MMPH' to end mid-taunt.
  • If a Sentry Gun has the Wrangler shield active when the owner uses an Übercharge canteen, the Sentry Gun will not gain the 90% damage resistance shield and instead keep the normal Wrangler shield.
  • Crit canteens say they double your sentry firing speed in-game, however because of rounding, the canteen will actually triple a Sentry Gun's base firing speed.[2] If the user has purchased a firing speed upgrade, or is using the Wrangler, then the firing speed will be doubled as claimed.

Gallery

  • Spy

  • Uncharged Canteen

  • Unused Übercharge buff canteen backpack icon

  • Unused Critical Hit Boost buff canteen backpack icon

  • Unused Ammo and Clip Refill buff canteen backpack icon

  • Unused Teleport to Spawn buff canteen backpack icon

  • Unused Building Upgrade buff canteen backpack icon

References

  1. ↑ game\shared\tf\tf_gamerules.cpp:L3013-3014
  2. ↑ Sentry Guns can only fire in intervals of 3 server ticks, the default being every 9. 9 divided by 2 is 4.5 which gets rounded down to every 3rd tick thus triple the fire rate.

See also

External links


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