native set_module_filter(const handler);
Sets a module/library filter, letting the plugin intercept and handle an
automatic module requirement.
This has to be used inside the plugin_native() forward, otherwise it
has no effect.
This is useful for creating plugins that can dynamically decide which
modules or features to use at runtime, often necessary for cross-mod
plugins. It allows to deploy a single version of the plugin instead
of compiling multiple versions for each use-case.
For a list of possible libtypes see the LibType enum in amxconst.inc
The handler will be called in the following manner:
public module_filter(const library, LibType:type)
library - Shortname of library or class that is required
libtrype - Type of requirement being checked (library/module or class)
The handler should return PLUGIN_CONTINUE to let the error through the
filter (which will result in the plugin failing to load), or
PLUGIN_HANDLED to imply that load can continue without the module.
Errors occuring inside the handler will not be filtered and cause the
plugin to fail load as if the handler returned PLUGIN_CONTINUE.
0 on success, -1 if filtering is not available, -2 if handler
could not be found.