/// <summary>
/// Unloads all loaded mods.
/// </summary>
internal static void Unload()
{
if (HookManager.ModDef != null)
{
HookManager.ModDef.OnUnload();
}
Unloading = true;
Logging.LogInfo("Unloading mods...");
HookManager.CanCallHooks = false;
HookManager.Clear();
EntityDefLoader.ResetEntityHandlers();
ResourceLoader.Unload();
ContentLoader.Reset();
foreach (var v in ModData.mods.Values)
{
v.Unload();
}
ModData.mods.Clear();
errors.Clear();
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
GC.WaitForPendingFinalizers();
Logging.LogInfo("Mods finished unloading.");
Unloading = false;
}
/// <summary>
/// Loads a mod from an <see cref="System.Reflection.Assembly"/> and returns its <see cref="ModDef"/>.
/// </summary>
/// <param name="asm">The mod's <see cref="System.Reflection.Assembly"/></param>
/// <param name="info">The mod's <see cref="ModInfo"/></param>
/// <returns>The <see cref="ModDef"/> of the mod</returns>
static ModDef LoadModFromAssembly(Assembly asm, ModInfo info)
{
var mdType = asm.GetType(info.ModDefTypeName, false);
if (mdType == null)
{
errors.Add(new LoaderError(info, "ModDef type not found", info.ModDefTypeName));
return(null);
}
var mod = Activator.CreateInstance(mdType) as ModDef;
if (mod == null)
{
errors.Add(new LoaderError(info, "Could not instantiate ModDef implementation", mdType));
return(null);
}
mod.Assembly = asm;
mod.Info = info;
// required by the entity def loader
ModData.mods.Add(mod.Info, mod);
ModData.modsFromInternalName.Add(mod.Info.InternalName, mod);
mod.ContentHandler = mod.CreateContentHandlerInternally();
mod.ContentHandler.Adopt(mod.Info);
errors.AddRange(ResourceLoader.Load(mod));
errors.AddRange(ContentLoader.Load(mod));
errors.AddRange(EntityDefLoader.Load(mod));
return(mod);
}
/// <summary>
/// Loads all mods from the Prism mod directory and returns a list containing any loader errors encountered.
/// </summary>
/// <returns>Any <see cref="LoaderError"/>'s encountered while loading.</returns>
internal static IEnumerable <LoaderError> Load()
{
Loading = true;
Logging.LogInfo("Loading mods...");
errors.Clear();
if (!Directory.Exists(PrismApi.ModDirectory))
{
Directory.CreateDirectory(PrismApi.ModDirectory);
}
EntityDefLoader.SetupEntityHandlers();
ResourceLoader.Setup();
ContentLoader.Setup();
var dirs = Directory.EnumerateDirectories(PrismApi.ModDirectory);
// The mod .dll in the DebugModDir should be one in the output directory of the Visual Studio mod project.
// Because the VS debugger knows which .dll it should use (and has a .pdb file), Edit & Continue and other
// hackery should be automatically activated.
foreach (string s in DebugModDir == null ? dirs : new[] { DebugModDir }.Concat(dirs))
{
var prevModCount = ModData.mods.Count;
var d = LoadMod(s);
var newModCount = ModData.mods.Count;
if (newModCount > prevModCount) //Make sure a new mod was actually added to ModData.mods so we don't get a "Sequence is empty" error on ModData.mods.Last()
{
if (d == null)
{
var i = ModData.mods.Last().Key;
ModData.mods.Remove(i);
ModData.modsFromInternalName.Remove(i.InternalName);
}
if (d != null)
{
//ModData.mods .Add(d.Info , d);
//ModData.modsFromInternalName.Add(d.Info.InternalName, d);
try
{
d.OnLoad();
}
catch (Exception e)
{
errors.Add(new LoaderError(d.Info, "An exception occured in ModDef.OnLoad()", e));
// Temporary until we have a proper way to see loader errors
if (ExceptionHandler.DetailedExceptions)
{
MessageBox.ShowError("An exception has occured:\n" + e);
}
}
}
}
else
{
errors.Add(new LoaderError(s, String.Format("New entry was not added to ModData.mods while loading mod from path '{0}', see previous errors. Mods loaded" /* once again, : added automatically */, s), ModData.mods));
}
}
HookManager.Create();
HookManager.CanCallHooks = true;
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
GC.WaitForPendingFinalizers();
Loading = false;
Logging.LogInfo("Mods finished loading.");
HookManager.ModDef.OnAllModsLoaded();
for (int i = 0; i < errors.Count; i++)
{
Logging.LogWarning(errors[i].ToString());
}
if (errors.Count > 0)
{
Trace.WriteLine("Some problems occured when loading mods. See the prism.log file for details.");
ModLoader.ShowAllErrors();
}
return(errors);
}