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parse nil metadata

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Signed-off-by: kumquat-ir <66188216+kumquat-ir@users.noreply.github.com>
This commit is contained in:
kumquat-ir 2023-02-11 17:35:08 -05:00
parent d5d4f87236
commit f5f2d33f93
2 changed files with 73 additions and 1 deletions
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2
launcher/InstancePageProvider.h
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@ -36,7 +36,7 @@ public:
values.append(new VersionPage(onesix.get()));
values.append(ManagedPackPage::createPage(onesix.get()));
auto modsPage = new ModFolderPage(onesix.get(), onesix->loaderModList());
modsPage->setFilter("%1 (*.zip *.jar *.litemod)");
modsPage->setFilter("%1 (*.zip *.jar *.litemod *.nilmod)");
values.append(modsPage);
values.append(new CoreModFolderPage(onesix.get(), onesix->coreModList()));
values.append(new ResourcePackPage(onesix.get(), onesix->resourcePackList()));

72
launcher/minecraft/mod/tasks/LocalModParseTask.cpp
View File

@ -285,6 +285,48 @@ ModDetails ReadLiteModInfo(QByteArray contents)
return details;
}
// https://git.sleeping.town/unascribed/NilLoader/src/commit/d7fc87b255fc31019ff90f80d45894927fac6efc/src/main/java/nilloader/api/NilMetadata.java#L64
ModDetails ReadNilModInfo(QByteArray contents, QString fname)
{
ModDetails details;
// this is a css file (why) but we only care about a couple key/value pairs from it
// hence this instead of a css parser lib
// could be made a lot better but it works(tm)
// (does css require properties to be on their own lines? if so, the code can get less horrible looking)
QString contentStr = QString(contents).trimmed();
int firstidx = contentStr.indexOf("@nilmod");
firstidx = contentStr.indexOf("{", firstidx);
int lastidx = contentStr.indexOf("}", firstidx);
int nameidx = contentStr.indexOf("name:", firstidx);
int descidx = contentStr.indexOf("description:", firstidx);
int authorsidx = contentStr.indexOf("authors:", firstidx);
int versionidx = contentStr.indexOf("version:", firstidx);
if (nameidx != -1 && nameidx < lastidx) {
nameidx = contentStr.indexOf('"', nameidx);
details.name = contentStr.mid(nameidx + 1, contentStr.indexOf('"', nameidx + 1) - nameidx - 1);
}
if (descidx != -1 && descidx < lastidx) {
descidx = contentStr.indexOf('"', descidx);
details.description = contentStr.mid(descidx + 1, contentStr.indexOf('"', descidx + 1) - descidx - 1);
}
if (authorsidx != -1 && authorsidx < lastidx) {
authorsidx = contentStr.indexOf('"', authorsidx);
details.authors.append(contentStr.mid(authorsidx + 1, contentStr.indexOf('"', authorsidx + 1) - authorsidx - 1));
}
if (versionidx != -1 && versionidx < lastidx) {
versionidx = contentStr.indexOf('"', versionidx);
details.version = contentStr.mid(versionidx + 1, contentStr.indexOf('"', versionidx + 1) - versionidx - 1);
} else {
details.version = "?";
}
details.mod_id = fname.remove(".nilmod.css");
return details;
}
bool process(Mod& mod, ProcessingLevel level)
{
switch (mod.type()) {
@ -401,6 +443,36 @@ bool processZIP(Mod& mod, ProcessingLevel level)
mod.setDetails(details);
return true;
} else if (zip.setCurrentFile("META-INF/nil/mappings.json")) {
// nilloader uses the filename of the metadata file for the modid, so we can't know the exact filename
// thankfully, there is a good file to use as a canary so we don't look for nil meta all the time
QStringList foundNilMetas;
for (auto& fname : zip.getFileNameList()) {
if (fname.endsWith(".nilmod.css")) {
foundNilMetas.append(fname);
}
}
if (foundNilMetas.size() > 1 && foundNilMetas.at(0) == "nilloader.nilmod.css") {
// nilmods can shade nilloader to be able to run as a standalone agent - which includes nilloader's own meta file
// so if there is more than one meta file, ignore nilloader's meta, since it's not the actual mod
foundNilMetas.removeFirst();
}
if (zip.setCurrentFile(foundNilMetas.at(0))) {
if (!file.open(QIODevice::ReadOnly)) {
zip.close();
return false;
}
details = ReadNilModInfo(file.readAll(), foundNilMetas.at(0));
file.close();
zip.close();
mod.setDetails(details);
return true;
}
}
zip.close();