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MixinLoader.java
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MixinLoader.java
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/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.spongepowered.mod.mixin.core.fml.common;
import net.minecraftforge.fml.common.FMLLog;
import net.minecraftforge.fml.common.Loader;
import net.minecraftforge.fml.common.ModContainer;
import net.minecraftforge.fml.common.versioning.ArtifactVersion;
import net.minecraftforge.fml.common.versioning.DefaultArtifactVersion;
import net.minecraftforge.fml.common.versioning.VersionRange;
import net.minecraftforge.fml.relauncher.libraries.LibraryManager;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.common.SpongeImpl;
import org.spongepowered.common.util.PathTokens;
import org.spongepowered.plugin.meta.version.ComparableVersion;
import java.io.File;
import java.io.FilenameFilter;
import java.math.BigInteger;
import java.util.List;
/**
* MixinLoader adds support for a second, user-defined, mods search directory.
*
* <p>As well as supporting fully-qualified paths, the configured value can also
* contain some pre-defined values which are supplied in the form of ant-style
* tokens.</p>
*/
@Mixin(value = Loader.class, remap = false)
public abstract class MixinLoader {
private static final FilenameFilter MOD_FILENAME_FILTER = (dir, name) -> name.endsWith(".jar") || name.endsWith(".zip");
@Shadow private static File minecraftDir;
private ModContainer mod;
@Redirect(method = "identifyMods",
at = @At(
value = "INVOKE",
target = "Lnet/minecraftforge/fml/relauncher/libraries/LibraryManager;gatherLegacyCanidates(Ljava/io/File;)Ljava/util/List;",
remap = false
),
remap = false
)
private List<File> discoverAndAddPluginsBeforeIterator(File mcDir) {
final List<File> files = LibraryManager.gatherLegacyCanidates(minecraftDir);
final File modsFolder = new File(minecraftDir, "mods");
File pluginsDir = this.getPluginsDir();
if (pluginsDir.isDirectory() && !pluginsDir.equals(modsFolder)) {
FMLLog.log.info("Searching %s for plugins", pluginsDir.getAbsolutePath());
final File[] pluginFiles = pluginsDir.listFiles(MOD_FILENAME_FILTER);
if (pluginFiles != null) {
for (File pluginFile : pluginFiles) {
if (!files.contains(pluginFile)) {
FMLLog.log.debug(" Adding {} to the plugin list", pluginFile.getName());
files.add(pluginFile);
}
}
}
}
return files;
}
@Unique
private File getPluginsDir() {
return new File(PathTokens.replace(SpongeImpl.getGlobalConfigAdapter().getConfig().getGeneral().pluginsDir()));
}
@Redirect(method = "sortModList", at = @At(value = "INVOKE", target = "Lnet/minecraftforge/fml/common/ModContainer;getDependencies"
+ "()Ljava/util/List;", remap = false))
private List<ArtifactVersion> onGetDependencies(ModContainer mod) {
this.mod = mod;
return mod.getDependencies();
}
@Redirect(method = "sortModList", at = @At(value = "INVOKE", target = "Lnet/minecraftforge/fml/common/versioning/ArtifactVersion;containsVersion"
+ "(Lnet/minecraftforge/fml/common/versioning/ArtifactVersion;)Z", remap = false))
private boolean onCheckContainsVersion(ArtifactVersion expected, ArtifactVersion installed) {
String installedVersion = installed.getVersionString();
if (!installedVersion.equals("unknown") && expected instanceof DefaultArtifactVersion) {
VersionRange range = ((DefaultArtifactVersion) expected).getRange();
if (range != null && range.getRecommendedVersion() != null
&& !installedVersion.equals(range.getRecommendedVersion().getVersionString())) {
BigInteger majorExpected = new ComparableVersion(range.getRecommendedVersion().getVersionString()).getFirstInteger();
if (majorExpected != null) {
BigInteger majorInstalled = new ComparableVersion(installedVersion).getFirstInteger();
// Show a warning if the major version does not match,
// or if the installed version is lower than the recommended version
if (majorInstalled != null
&& (!majorExpected.equals(majorInstalled) || installed.compareTo(range.getRecommendedVersion()) < 0)) {
SpongeImpl.getLogger().warn("The mod {} was designed for {} {} but version {} is in use. It may not work properly.",
this.mod.getModId(), expected.getLabel(), expected.getRangeString(), installed.getVersionString());
}
}
}
}
return expected.containsVersion(installed);
}
}