70 lines
3.4 KiB
Java
70 lines
3.4 KiB
Java
package io.gitlab.jfronny.inceptum.launcher.api;
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import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.mojang.AssetIndex.GC_AssetIndex;
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import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.mojang.JvmFileInfo.GC_JvmFileInfo;
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import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.mojang.JvmInfo.GC_JvmInfo;
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import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.mojang.VersionInfo.GC_VersionInfo;
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import gsoncompile.extensions.io.gitlab.jfronny.inceptum.launcher.model.mojang.VersionsList.GC_VersionsList;
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import io.gitlab.jfronny.commons.OSUtils;
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import io.gitlab.jfronny.inceptum.common.MetaHolder;
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import io.gitlab.jfronny.inceptum.common.Net;
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import io.gitlab.jfronny.inceptum.launcher.model.mojang.*;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.List;
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import java.util.Map;
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import static io.gitlab.jfronny.inceptum.common.Net.downloadObject;
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public class McApi {
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public static VersionsList getVersions() {
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try {
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return downloadObject("https://launchermeta.mojang.com/mc/game/version_manifest_v2.json", GC_VersionsList::read);
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} catch (IOException e) {
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throw new RuntimeException("Could not load version manifest", e);
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}
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}
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public static VersionInfo getVersionInfo(VersionsListInfo listInfo) throws IOException {
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return downloadObject(listInfo.url, listInfo.sha1, GC_VersionInfo::read);
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}
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public static AssetIndex getAssetIndex(VersionInfo info) throws IOException, URISyntaxException {
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Path file = MetaHolder.ASSETS_DIR.resolve("indexes");
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if (!Files.exists(file)) Files.createDirectories(file);
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file = file.resolve(info.assetIndex.url.substring(info.assetIndex.url.lastIndexOf("/") + 1));
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try {
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Net.downloadFile(info.assetIndex.url, info.assetIndex.sha1, file);
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} catch (IOException | URISyntaxException e) {
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if (!Files.exists(file)) throw e;
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}
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return GC_AssetIndex.read(file);
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}
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public static Map<String, JvmFileInfo.File> getJvm(String component, int majorVersion) throws IOException {
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// https://github.com/ATLauncher/ATLauncher/blob/master/src/main/java/com/atlauncher/constants/Constants.java#L123
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JvmInfo info = Net.downloadObject("https://launchermeta.mojang.com/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json", GC_JvmInfo::read);
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Map<String, List<JvmInfo.Jvm>> vms = switch (OSUtils.TYPE) {
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case WINDOWS -> info.windowsX64;
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case LINUX -> info.linux;
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case MAC_OS -> info.macOs;
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};
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List<JvmInfo.Jvm> vmList = vms[component];
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if (vmList == null)
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throw new IOException("Invalid component: " + component + " (available: " + String.join(", ", vms.keySet()));
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for (JvmInfo.Jvm jvm : vmList) {
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if (jvm.version.name.startsWith(Integer.toString(majorVersion))) {
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return downloadObject(jvm.manifest.url, jvm.manifest.sha1, GC_JvmFileInfo::read).files;
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}
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}
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throw new IOException("JVM not found");
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}
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public static void downloadAsset(AssetIndex.Asset asset, Path path) throws IOException, URISyntaxException {
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Net.downloadFile("http://resources.download.minecraft.net/" + asset.hash.substring(0, 2) + "/" + asset.hash, asset.hash, path);
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}
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}
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