/// <summary>
/// Load a mod from a directory at runtime.
/// </summary>
/// <param name="dir">The path to the mod directory.</param>
public static void LoadDir(string dir)
{
if (!Directory.Exists(dir)) // Relative path?
{
dir = Path.Combine(PathMods, dir);
}
if (!Directory.Exists(dir)) // It just doesn't exist.
{
return;
}
Logger.Log(LogLevel.Verbose, "loader", $"Loading mod directory: {dir}");
EverestModuleMetadata meta = null;
string metaPath = Path.Combine(dir, "metadata.yaml");
if (File.Exists(metaPath))
{
using (StreamReader reader = new StreamReader(metaPath))
meta = EverestModuleMetadata.Parse("", dir, reader);
}
LoadModDelayed(meta, () => {
Content.Crawl(new ContentModMetadata()
{
PathDirectory = dir
});
});
}
/// <summary>
/// Load a mod from a .zip archive at runtime.
/// </summary>
/// <param name="archive">The path to the mod .zip archive.</param>
public static void LoadZip(string archive)
{
if (!File.Exists(archive)) // Relative path? Let's just make it absolute.
{
archive = Path.Combine(PathMods, archive);
}
if (!File.Exists(archive)) // It just doesn't exist.
{
return;
}
Logger.Log(LogLevel.Verbose, "loader", $"Loading mod .zip: {archive}");
EverestModuleMetadata meta = null;
// In case the icon appears before the metadata in the .zip, store it temporarily, set it later.
Texture2D icon = null;
using (ZipFile zip = new ZipFile(archive)) {
foreach (ZipEntry entry in zip.Entries)
{
if (entry.FileName == "metadata.yaml")
{
using (MemoryStream stream = entry.ExtractStream())
using (StreamReader reader = new StreamReader(stream))
meta = EverestModuleMetadata.Parse(archive, "", reader);
continue;
}
if (entry.FileName == "icon.png")
{
using (Stream stream = entry.ExtractStream())
icon = Texture2D.FromStream(Celeste.Instance.GraphicsDevice, stream);
continue;
}
}
}
if (meta != null)
{
if (icon != null)
{
meta.Icon = icon;
}
}
LoadModDelayed(meta, () => {
Content.Crawl(new ContentModMetadata()
{
PathArchive = archive
});
});
}
public static void LoadZip(string archive)
{
if (!File.Exists(archive)) // Relative path?
{
archive = Path.Combine(PathMods, archive);
}
if (!File.Exists(archive)) // It just doesn't exist.
{
return;
}
Logger.Log("loader", $"Loading mod .zip: {archive}");
EverestModuleMetadata meta = null;
Assembly asm = null;
using (ZipFile zip = new ZipFile(archive)) {
// In case the icon appears before the metadata in the .zip, store it temporarily.
Texture2D icon = null;
// First read the metadata, ...
foreach (ZipEntry entry in zip.Entries)
{
if (entry.FileName == "metadata.yaml")
{
using (MemoryStream stream = entry.ExtractStream())
using (StreamReader reader = new StreamReader(stream))
meta = EverestModuleMetadata.Parse(archive, "", reader);
continue;
}
if (entry.FileName == "icon.png")
{
using (Stream stream = entry.ExtractStream())
icon = Texture2D.FromStream(Celeste.Instance.GraphicsDevice, stream);
continue;
}
}
if (meta != null)
{
if (icon != null)
{
meta.Icon = icon;
}
// ... then check if the dependencies are loaded ...
// TODO: Enqueue the mod, reload it on Register of other mods, rechecking if deps loaded.
foreach (EverestModuleMetadata dep in meta.Dependencies)
{
if (!DependencyLoaded(dep))
{
Logger.Log("loader", $"Dependency {dep} of mod {meta} not loaded!");
return;
}
}
// ... then add an AssemblyResolve handler for all the .zip-ped libraries
AppDomain.CurrentDomain.AssemblyResolve += GenerateModAssemblyResolver(meta);
}
// ... then handle the assembly ...
foreach (ZipEntry entry in zip.Entries)
{
string entryName = entry.FileName.Replace('\\', '/');
if (meta != null && entryName == meta.DLL)
{
using (MemoryStream stream = entry.ExtractStream()) {
if (meta.Prelinked)
{
asm = Assembly.Load(stream.GetBuffer());
}
else
{
asm = Relinker.GetRelinkedAssembly(meta, stream);
}
}
}
}
// ... then tell the Content class to crawl through the zip.
// (This also registers the zip for recrawls further down the line.)
Content.Crawl(null, archive, zip);
}
if (meta != null && asm != null)
{
LoadMod(meta, asm);
}
}
public static void LoadDir(string dir)
{
if (!Directory.Exists(dir)) // Relative path?
{
dir = Path.Combine(PathMods, dir);
}
if (!Directory.Exists(dir)) // It just doesn't exist.
{
return;
}
Logger.Log("loader", $"Loading mod directory: {dir}");
EverestModuleMetadata meta = null;
Assembly asm = null;
// First read the metadata, ...
string metaPath = Path.Combine(dir, "metadata.yaml");
if (File.Exists(metaPath))
{
using (StreamReader reader = new StreamReader(metaPath))
meta = EverestModuleMetadata.Parse("", dir, reader);
}
if (meta != null)
{
// ... then check if the dependencies are loaded ...
foreach (EverestModuleMetadata dep in meta.Dependencies)
{
if (!DependencyLoaded(dep))
{
Logger.Log("loader", $"Dependency {dep} of mod {meta} not loaded!");
return;
}
}
// ... then add an AssemblyResolve handler for all the .zip-ped libraries
AppDomain.CurrentDomain.AssemblyResolve += GenerateModAssemblyResolver(meta);
}
// ... then handle the assembly and all assets.
Content.Crawl(null, dir);
if (meta == null || !File.Exists(meta.DLL))
{
return;
}
if (meta.Prelinked)
{
asm = Assembly.LoadFrom(meta.DLL);
}
else
{
using (FileStream stream = File.OpenRead(meta.DLL))
asm = Relinker.GetRelinkedAssembly(meta, stream);
}
if (asm != null)
{
LoadMod(meta, asm);
}
}
