77 lines
3.5 KiB
Java
77 lines
3.5 KiB
Java
package io.gitlab.jfronny.respackopts.mixin;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import io.gitlab.jfronny.respackopts.Respackopts;
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import io.gitlab.jfronny.respackopts.data.MetadataLocateResult;
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import io.gitlab.jfronny.respackopts.data.Respackmeta;
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import io.gitlab.jfronny.respackopts.data.entry.SyncMode;
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import net.minecraft.resource.ResourcePack;
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import net.minecraft.resource.ResourcePackManager;
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import net.minecraft.resource.ResourcePackProfile;
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import net.minecraft.resource.ResourceType;
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import org.spongepowered.asm.mixin.Mixin;
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import org.spongepowered.asm.mixin.Shadow;
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import org.spongepowered.asm.mixin.injection.At;
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import org.spongepowered.asm.mixin.injection.Inject;
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import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Map;
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@Mixin(ResourcePackManager.class)
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public class ResourcePackManagerMixin {
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@Shadow private Map<String, ResourcePackProfile> profiles;
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@Inject(at = @At("TAIL"), method = "scanPacks()V")
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private void scanPacks(CallbackInfo info) {
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Respackopts.NAME_LOOKUP.clear();
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profiles.forEach((s, v) -> {
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MetadataLocateResult scan = rpo$locateMetadata(v);
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if (scan.hasMeta()) {
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try {
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Respackmeta conf = Respackopts.GSON.fromJson(rpo$readMetadata(scan), Respackmeta.class);
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if (Respackopts.META_VERSION < conf.version) {
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Respackopts.LOGGER.error(s + " was not loaded as it specifies a newer respackopts version than is installed");
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return;
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}
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if (Respackopts.META_VERSION > conf.version) {
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Respackopts.LOGGER.warn(s + " uses an outdated RPO format (" + conf.version + "). Although this is supported, using the latest version (" + Respackopts.META_VERSION + ") is recommended");
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}
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conf.conf.setVersion(conf.version);
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if (!Respackopts.CONFIG_BRANCH.containsKey(conf.id))
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Respackopts.CONFIG_BRANCH.put(conf.id, conf.conf);
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else
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Respackopts.CONFIG_BRANCH.get(conf.id).sync(conf.conf, SyncMode.RESPACK_LOAD);
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Respackopts.NAME_LOOKUP.put(v.getDisplayName().asString(), conf.id);
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Respackopts.load(conf.id);
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} catch (Throwable e) {
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Respackopts.LOGGER.error("Could not initialize pack meta for " + s, e);
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}
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}
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});
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}
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private MetadataLocateResult rpo$locateMetadata(ResourcePackProfile v) {
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ResourcePack pack = v.createResourcePack();
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for (ResourceType type : ResourceType.values()) {
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if (pack.contains(type, Respackopts.CONF_ID))
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return new MetadataLocateResult(pack, true, type);
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}
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return new MetadataLocateResult(pack, false, null);
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}
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private JsonObject rpo$readMetadata(MetadataLocateResult pack) throws IOException {
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InputStream is = pack.pack().open(pack.type(), Respackopts.CONF_ID);
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ByteArrayOutputStream os = new ByteArrayOutputStream();
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byte[] buffer = new byte[1024];
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int length;
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while ((length = is.read(buffer)) != -1) {
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os.write(buffer, 0, length);
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}
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return Respackopts.GSON.fromJson(os.toString(), JsonElement.class).getAsJsonObject();
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}
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}
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