Difference between revisions of "Modding guidelines"

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= For players =
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{{Template:MovedToWebpage|https://vcmi.eu/modders/Readme/}}
See [[mod list]]
 
 
 
= For modders =
 
== Creating mod ==
 
To make your own mod you need to create subdirectory in '''<data dir>/Mods/''' with name that will be used as identifier for your mod.
 
 
 
Main mod is file called '''mod.json''' and should be placed into main folder of your mod, e.g. '''Mods/myMod/mod.json'''
 
 
 
All content of your mod should go into '''Content''' directory, e.g. '''Mods/myMod/Content/'''. In future it will be possible to replace this directory with single .zip archive.
 
 
 
Example of how directory structure of your mod may look like:
 
<pre>
 
Mods/
 
    myMod/
 
          mod.json
 
          Content/
 
                    data/    - unorganized files, mostly bitmap images (.bmp, .png, .pcx)
 
                    config/  - json configuration files
 
                    maps/    - h3m maps added or modified by mod
 
                    music/  - music files. Mp3 is fully supported, ogg may be added if needed
 
                    sounds/  - sound files, in wav format.
 
                    sprites/ - animation, image sets (H3 .def files or VCMI .json files)
 
                    video/  - video files, .bik or .smk
 
</pre>
 
== Updating mod to next version of VCMI ==
 
See [[Modding changelog]]
 
== Creating mod file ==
 
All VCMI configuration files use [http://en.wikipedia.org/wiki/Json JSON format] so you may want to familiarize yourself with it first.
 
 
 
Mod.json is main file in your mod and must be present in any mod. This file contains basic description of your mod, dependencies or conflicting mods (if present), list of new content and so on.
 
 
 
Minimalistic version of this file:
 
<syntaxhighlight lang="javascript">
 
{
 
    "name" : "My test mod",
 
    "description" : "My test mod that add a lot of useless stuff into the game"
 
}
 
</syntaxhighlight>
 
See [[Mod file Format]] for its full description.
 
 
 
== Overriding graphical files from Heroes III ==
 
 
 
Any graphical replacer mods fall under this category. In VCMI directory '''<mod name>/Content''' acts as mod-specific game root directory.
 
So for example file '''<mod name>/Content/Data/AISHIELD.PNG''' will replace file with same name from '''H3Bitmap.lod''' game archive.
 
 
 
Any other files can be replaced in exactly same way.
 
 
 
Note that replacing files from archives requires placing them into specific location:
 
<pre>
 
H3Bitmap.lod -> Data
 
H3Sprite.lod -> Sprites
 
Heroes3.snd  -> Sounds
 
Video.vid    -> Video
 
</pre>
 
This includes archives added by expansions (e.g. '''H3ab_bmp.lod''' uses same rules as '''H3Bitmap.lod''')
 
 
 
=== Replacing .def animation files ===
 
Heroes III uses custom format for storing animation: def files. These files are used to store all in-game animations as well as for some GUI elements like buttons and for icon sets.
 
 
 
These files can be replaced by another def file but in some cases original format can't be used. This includes but not limited to:
 
* Replacing one (or several) icons in set
 
* Replacing animation with fully-colored 32-bit images
 
 
 
In VCMI these animation files can also be replaced by json description of their content. See [[Animation Format]] for full description of this format.
 
 
 
Example: replacing single icon
 
<syntaxhighlight lang="javascript">
 
{
 
// List of replaced images
 
"images" :
 
[   // Index of replaced frame
 
{ "frame" : 0, "file" : "HPS000KN.bmp"}
 
              //name of file that will be used as replacement
 
]
 
}
 
</syntaxhighlight>
 
 
 
 
 
"High resolution main menu" mod can be used as example of file replacer mod.
 
== Mod with new content: Artifact ==
 
TODO
 
== Mod with new content: Creature ==
 
TODO
 
== Custom filesystem format. Porting Era Mod to VCMI ==
 
TODO
 
 
 
 
 
{{Modding}}
 

Latest revision as of 16:20, 16 July 2024

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