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Revision as of 23:50, 28 July 2016
Duplicate of https://github.com/Tuxemon/Tuxemon/wiki/creating-creatures
Making a Creature
This is a guide to creating your own creatures for the Tuxemon open source monster battling game. We are pretty tolerant of designs that vary from these specifications, and we’re always happy to help out with advice and feedback.
You don’t have to do all of these steps yourself! Just post whichever you feel like doing, and we might be able to find someone to help fill in the rest.
Design
It is difficult to provide concrete advice for the design of a tuxemon. Look at other monster battling games, especially Pokemon, and think about:
- What the creatures are based on: puns (like Farfetch’d), obscure animals, animals with an elemental twist, etc.
- How they are represented: How detailed are they? How are complex concepts communicated in simple shapes? How cute are they? Is there a difference between how basic Pokemon, first stage Pokemon and second stage Pokemon are depicted?
- What is added to the Pokemon to make it distinctive, appealing and iconic
- What is missing from Pokemon that might be added to other cartoon creatures: What is the Pokemon style?
blazeknight-94’s tutorial describes six origins:
- Logical associations
- Shape associations
- Cliches
- Behavioural associations
- Famous character tributes
- Puns
FrozenFeather’s eye chart could be useful.
Mechanical Conceit
It is also possible to start your design from the other direction: choose a mechanical role that you want the creature to play in battle, and then design it from the bottom up.
This is the approach of the Create-a-Pokemon project.
Name
There are no hard-and-fast rules for names, but consider:
- Tuxemon on the same evolutionary chain often have similar names
- Names are often based on puns or references
- Names are often compounds of two different words
blazeknight-94’s tutorial describes four naming conventions:
- Pure word associations
- Clever word associations
- Anagrams
- Saying misspellings
Type(s)
In Tuxemon, there are five types, and a tuxemon can belong to one or two of them:
- Fire: Includes creatures associated with energy, like electricity and heat, dragons and other legendary beings, and poison.
- Water: Includes creatures associated with the sea, lakes and swamps, ice and snow, the weather, and fish and amphibians.
- Wood: Includes creatures associated with plants, lichen and fungi, forests, the natural environment, the wind and flying, and the wilderness.
- Earth: Includes creatures associated with the ground and underground, dirt and soil, mountains and rocks, caves, and ancient and buried things.
- Metal: Includes creatures associated with steel, darkness, mechanical and robotic things, psychic powers and other unnatural things, humankind, and the undead.
Evolutions
A creature can have any number of evolution options. However, it will typically not evolve more than twice. For example, Botbot can evolve into Beaverbot, Fishbot, Petbot or Monkeybot. However, once it’s evolved into one of those, it cannot evolve again.
An unevolved tuxemon is in its “basic stage”. A tuxemon that has evolved once is in its “first stage”; if it has evolved twice, it is in its “second stage”.
Evolution can result from the tuxemon reaching a certain level, from it consuming a particular item, or from some other criterion being satisfied.
Illustration
There is a distinctive style, the “Sugimori style”, that Tuxemon is sometimes faithful to.
There are many tutorials for this style. My preferred one is:
Also useful are:
Software
I use Krita, but others work in GIMP, Photoshop or other drawing software.
Sprites
With enough time and practice, anyone can make sprites. Your first attempts at spriting may be met with criticism, but this criticism should be viewed constructively to help make your sprites better. Ignore the people who say "it's garbage" and take the advice of the others where you can. No one can sprite perfectly at first.
Sprites should ideally be done using the Tuxemon Default Palette (download it as a GPL file).
Alternatively, artwork colors can be converted to fit the Tuxemon palette by using the PySNESify utility, which will change each pixel color to its closest color available from the SNES/GBA era platforms.
Sprites should be saved as PNG files. Do not save them as JPG files: they will lose quality. The PNG format is a lossless image format that will make sure that your images do not degrade in quality when you save them.
Software
I recommend Aseprite, but any painting program can be used.
Battle Sprites (Front and Back Sprites)
Front and back sprites are 64 by 64 pixels.
Light Source: Upper left corner.
Angle: The tuxemon should be facing the viewer, but at an angle so the left side of its body is also partly visible.
Techniques: Sel-out, Minimal Dithering, No Anti-Aliasing
Colour Palette: 16 colours selected from the palette, including white, almost-black and transparency.
Sizes
Although the total canvas is 64 by 64 pixels, only the largest tuxemon should fill up the entire space.
The smallest creatures should occupy about 40 by 40 pixels, with small-to-medium creatures occupying 48 by 48 and medium-to-large ones 56 by 56.
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The back sprite should fill about about the same amount of the canvas as the front sprite does. Generally, the back sprite is of the head and shoulders.
The only edge that should be cut off is the bottom. For example, this sprite is incorrect because the left-hand-side is cut off:
<img src="
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Tutorials
My preferred tutorial is:
Other good ones include:
- blazeknight-94’s
- Dragonfly Cave includes good basic skills on outlines, shading, etc.
- Chesu’s spriting series
Face Sprites
Face sprites are two frames of an animation, saved as two separate 24 by 24 pixel PNG files.
The face should fill most of the canvas, regardless of the size of the tuxemon.
The faces are animated, but it is okay for them to move by only a pixel or two. For example, to represent bobbing just move the image in the second sprite up by one pixel.
Generally, sel-out is not necessary for an image this size. A uniform almost-black outline is fine.
The light source, if one exists, should be by the top-left.
Typically, the face is drawn as if the creature were facing directly ahead, but the same angle that is used in the sprites (facing the left of the viewer) is also acceptable.
Rules
A tuxemon’s stats and other in-game rules are defined in a JSON text file in the game’s resources/db/monster folder.
Tuxemon have a number of stats:
- Type(s)
- ID
- Weight
- Attack*
- Defense*
- HP*
- Special Attack Base*
- Special Defense*
- Speed*
- XP Give Modifier
- XP Require Modifier
- These stats also have a range of stat modifiers, to reflect how the stat changes as the creature levels ups.
We haven’t set particular rules for stats yet. Just assign what you believe makes sense.
Techniques
We haven’t set particular rules for techniques yet. Just assign what you believe makes sense.
Other Details
At the moment, we do not describe or create cries, body shapes, egg groups, etc., for tuxemon.
On the wiki we do record a tuxemon’s “species name” - a word or two that describes an aspect of their nature. It is used in the format: “The X Tuxemon”, like “The Flame Tuxemon” or “The Dark Forest Tuxemon”.
It’s okay for multiple tuxemon - even unrelated tuxemon - to have the same species name.
Distribution
When you’ve created your tuxemon (or part of it), you should:
- Upload any sprites and illustrations to the wiki
- Post about it on a new thread in the forums
You might also want to post it on r/fakemon or on DeviantArt. When I do this, I include a little link back to the project so we can promote Tuxemon.
Directly adding them to the Tuxemon game
Upload the creature’s JSON file to the resources/db/monster folder and the creature’s four PNG sprites (two face sprites, front sprite, back sprite) to the resources/gfx/sprites/battle folder.
To test out your new creature in Tuxemon, you’ll need to use the Tiled map editor to edit one of the existing maps in resources/maps and add an event action to add your new creature to your party! For more information on adding event actions and conditions to a map, check out the Quests/Events page.
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Now when you launch Tuxemon, get your newly created monster and enter combat to see them in action!