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Difference between revisions of "Wagon"
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== Depot Accessibility == | == Depot Accessibility == | ||
| − | [[File:Wagon access.png|thumb| | + | [[File:Wagon access.png|thumb|260px|right|An accessible and an inaccessible wagon path. Below is how the paths are viewed with Depot Access turned on.]] |
In order to appear alongside [[caravan]]s, wagons must have an appropriate place on the map edge to spawn and an unobstructed path to a [[trade depot]]. | In order to appear alongside [[caravan]]s, wagons must have an appropriate place on the map edge to spawn and an unobstructed path to a [[trade depot]]. | ||
Revision as of 03:34, 7 September 2016
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W
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| Portrait | |
|---|---|
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No portrait | |
| Biome | |
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| Attributes | |
| Cannot be tamed | |
| Size | |
| Max: | 12,000 cm3
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| Age | |
| Adult at: | Birth |
| Max age: | Immortal |
| Becomes after death | |
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Wagon wood | |
v50.14 · v0.47.05 This article is about the current version of DF.Note that some content may still need to be updated. |
 | This feature has one or more outstanding bugs. Please view the Bugs section for details. |
- For information on the wagon carrying your goods during embark,, see Wagon (embark).
- A rolling platform for carrying passengers or cargo.
Wagons are special "creatures" used by Human and Dwarven caravans. Wagons have a much greater hauling capacity than pack animals, increasing the imported goods available to your fortress and the capacity for exported goods. Unfortunately, wagons require specific accommodations to reach your fortress: wagon-accessible paths must be three tiles wide, extend from natural-land tiles at the screen border to your trade depot, and cannot contain traps or pressure plates. If wagons are unable to find a path to your trade depot (or if you have not built a depot at all), they will bypass your site and you will only be able to trade for what is available on the merchants' pack animals.
Wagons which are destroyed, abandoned, or scuttled will leave behind a unique type of wood: wagon wood. Since they count as creatures, dead wagons can be memorialized (though a ghostly wagon has not yet been observed).[1]
Depot Accessibility
In order to appear alongside caravans, wagons must have an appropriate place on the map edge to spawn and an unobstructed path to a trade depot.
After a trade depot is built, you can use Depot Access to check wagon accessibility. The decisive element is that you see the 'depot accessible' message on the right. Accessibility is calculated from your depot towards the map edges; even though you see a green area around your depot, it may not be accessible from outside. You need to make sure the path extends all the way to some edge of the map. The display is somewhat misleading in that a one tile wide green path is sufficient for the 3 tile wide wagons; the green Ws represent only the center of a wagon although the whole 3x3 can fit around it - so a three-tile wide path, which can fit a wagon, will only show up as one-tile wide line of Ws. When the route they would take goes over hills (ramps), it's hard to eye whether it is continuous all the way to the edge of the map, so be sure you see the words "depot accessible" on the depot access screen.
As long as you have a three-tile wide path to the depot that reaches any natural-land tiles at the edge of the map, wagons will be able to reach the depot. If there is only one path they can take, they will take that path. You can force them to enter and exit the map in an exact spot -- preferably very near your depot -- by erecting walls or digging channels so that all paths but the one you want them to take are blocked. Note that all caravans will prefer to enter the map at a wagon-accessible point, so this can also be used for elven caravans as well.
Wagons will not appear on non-natural surface tiles at a map edge (such as a "bridge to nowhere"), though they can sometimes be encouraged to leave the map edge in such a manner. Wagons will also delay appearing at the map edge if their intended location is currently blocked by any other creature, similar to migrants.
Movement
Wagons can move horizontally across/through:
- Ordinary open ground
- Small plants, e.g. grass, shrubs
- Constructed roads or floors
- Bridges
- Passable tiles of workshops and other buildings (e.g. restraints)
- Creatures, apart from other wagons.
- Closed hatch covers, even if they are over open space.
Wagons cannot move horizontally across/through:
- Boulders (can be smoothed to make them passable)
- Traps
- Pressure plates
- Any type of stair tile, apart from a down stair with a hatch cover on top
- Impassable tiles of workshops and other buildings (e.g. statues)
- Doors, even if they are operated by lever and left open
- Drained murky pool or river tiles (constructing and, optionally, removing a floor or road on top will make them passable)
Wagons can move up or down z-levels via ramps, so long as they do not have hatch covers on top. Wagons use different rules for movement on ramps - namely, they are able to ascend a ramp to a raised floor over empty space, but cannot cross the line of ramps while remaining at the same level. With some careful design it is possible to make bridges that control depot accessibility without actually allowing anything to cross them, or paths that can be traversed only by wagons but not dwarves or vice versa.
Wagon-only entrances
Wagons are able to navigate through certain entrances which other (walking) creatures cannot. Specifically, wagons can climb ramps that walking creatures consider to be "unusuable". By building a set of ramps which are exclusively unusable, you can send wagons on a direct route, while filtering all other traffic through your trap-covered route.
An example: [1]:
| Z | = | 0 | Z | = | 1 | ||||||
| ▓ | + | + | + | ▓ | ▓ | ▓ | ▓ | ▓ | ▓ | ||
| ▓ | ▲ | ▲ | ▲ | ▓ | ▓ | ▼ | ▼ | ▼ | ▓ | ||
| ▓ | + | + | + | ▓ | ▓ | + | + | + | ▓ | ||
| ▓ | ▓ | ▓ | ▓ | ▓ | ▓ | + | + | + | ▓ | ||
| ▓ | + | + | + | ▓ | ▓ | + | + | + | ▓ | ||
| ▓ | ▲ | ▲ | ▲ | ▓ | ▓ | ▼ | ▼ | ▼ | ▓ | ||
| ▓ | + | + | + | ▓ | ▓ | ▓ | ▓ | ▓ | ▓ |
Another example, which uses slightly less space (note: this particular entrance is not a wagon-only entrance and is usable by creatures able to jump).
| Z | = | - | 1 | Z | = | 0 | ||||||||
| ▓ | ▓ | ▓ | ▓ | ▓ | ▓ | + | + | + | ▓ | |||||
| ▓ | + | + | + | ▓ | ▓ | + | + | + | ▓ | |||||
| ▓ | ▲ | ▲ | ▲ | ▓ | ▓ | ▼ | ▼ | ▼ | ▓ | |||||
| ▓ | + | + | + | ▓ | ▓ | + | + | + | ▓ | |||||
| ▓ | ▓ | ▓ | ▓ | ▓ | ▓ | + | + | + | ▓ |
Bugs
- Wagons can become "stuck" in obstacles.Bug:5418
- Wagon pathing problems can result in caravan collisions.Bug:5687
- It's possible for a dwarf to have a preference for "wagon wood".Bug:3676
- Wagons are listed as "deceased" after being scuttled.
- Wagon despawns, becoming listed as "Missing" and causing the caravan to flee.
[CREATURE:EQUIPMENT_WAGON]
[DESCRIPTION:A rolling platform for carrying passengers or cargo.]
[NAME:wagon:wagons:wagon]
[CASTE_NAME:wagon:wagons:wagon]
[CREATURE_TILE:'W'][COLOR:6:0:0]
[EQUIPMENT_WAGON][COMMON_DOMESTIC]
[NOT_BUTCHERABLE]
[BODY:WAGON]
[USE_MATERIAL_TEMPLATE:WOOD:WOOD_TEMPLATE]
Wagons-as-creatures is most likely going to be replaced once moving siege engines are in, so we'll just use a generic "wood" material here instead of worrying about coding up race glosses again.
[TISSUE:WOOD]
[TISSUE_NAME:wood:wooden]
[TISSUE_MATERIAL:LOCAL_CREATURE_MAT:WOOD]
[TISSUE_LAYER:BY_CATEGORY:ALL:WOOD]
[ITEMCORPSE:WOOD:NO_SUBTYPE:LOCAL_CREATURE_MAT:WOOD]
[BODY_SIZE:0:0:12000]
[ALL_ACTIVE]
[TRADE_CAPACITY:15000]
[MUNDANE]
[ODOR_LEVEL:0] |