void UnloadPlugin()
{
#if UNITY_EDITOR
Debug.Log($"Closing plugin {plugin.PluginName}");
#endif
if (libHandle != IntPtr.Zero)
{
_shutdown();
_init = null;
_shutdown = null;
_tick = null;
_fixedTick = null;
_lateTick = null;
_sceneLoaded = null;
while (Functions.FreeLibrary(libHandle))
{
// do nothing, repeat until free library release all references
}
libHandle = IntPtr.Zero;
if (_objhandle.IsAllocated)
{
_objhandle.Free();
}
}
}
void LoadPlugin()
{
#if UNITY_EDITOR
Debug.Log($"Loading plugin {plugin.PluginName}");
#endif
var libPath = plugin.BuildPath(prefix, pluginExtension);
libHandle = Functions.LoadLibrary(libPath);
_init = (PluginInit)Marshal.GetDelegateForFunctionPointer(Functions.GetProcAddress(libHandle, nameof(PluginInit)), typeof(PluginInit));
_shutdown = (PluginShutdown)Marshal.GetDelegateForFunctionPointer(Functions.GetProcAddress(libHandle, nameof(PluginShutdown)), typeof(PluginShutdown));
IntPtr tickFun = Functions.GetProcAddress(libHandle, nameof(PluginTick));
if (tickFun != IntPtr.Zero)
{
_tick = (PluginTick)Marshal.GetDelegateForFunctionPointer(tickFun, typeof(PluginTick));
}
IntPtr fixedTickFun = Functions.GetProcAddress(libHandle, nameof(PluginFixedTick));
if (fixedTickFun != IntPtr.Zero)
{
_fixedTick = (PluginFixedTick)Marshal.GetDelegateForFunctionPointer(fixedTickFun, typeof(PluginFixedTick));
}
IntPtr lateTickFun = Functions.GetProcAddress(libHandle, nameof(PluginLateTick));
if (lateTickFun != IntPtr.Zero)
{
_lateTick = (PluginLateTick)Marshal.GetDelegateForFunctionPointer(lateTickFun, typeof(PluginLateTick));
}
IntPtr sceneLoadedFun = Functions.GetProcAddress(libHandle, nameof(Helper_SceneLoaded));
if (sceneLoadedFun != IntPtr.Zero)
{
_sceneLoaded = (Helper_SceneLoaded)Marshal.GetDelegateForFunctionPointer(sceneLoadedFun, typeof(Helper_SceneLoaded));
}
}