API
Vampirism has an API which allow the creation of addon mods as well as compatibility integration in other mods.
It is located in the de.teamlapen.vampirism.api
package.
If some API functionality is missing, create an issue.
Examples
Checkout this example project: https://github.com/TeamLapen/VampirismAPIExample
If you want to create an addon which access all of Vampirism's classes, not just the API, checkout this https://github.com/TeamLapen/VampirismAddonExample and consider contacting maxanier.
A real example is the VampirismIntegrations mod which is some kind of mixtures between the two kinds above: https://github.com/TeamLapen/VampirismIntegrations
Need Help?
If you consider writing a vampirism integration or a vampirism addon, consider contacting us on Discord or GitHub.