ForgePatch/src/main/java/net/minecraftforge/fml/ModList.java

239 lines
9.2 KiB
Java

/*
* Minecraft Forge
* Copyright (c) 2016-2020.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.fml;
import net.minecraftforge.eventbus.api.Event;
import net.minecraftforge.fml.event.lifecycle.IModBusEvent;
import net.minecraftforge.forgespi.language.ModFileScanData;
import net.minecraftforge.fml.loading.moddiscovery.ModFile;
import net.minecraftforge.fml.loading.moddiscovery.ModFileInfo;
import net.minecraftforge.fml.loading.moddiscovery.ModInfo;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.Executor;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinWorkerThread;
import java.util.function.BiConsumer;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Master list of all mods - game-side version. This is classloaded in the game scope and
* can dispatch game level events as a result.
*/
public class ModList
{
private static Logger LOGGER = LogManager.getLogger();
private static ModList INSTANCE;
private final List<ModFileInfo> modFiles;
private final List<ModInfo> sortedList;
private final Map<String, ModFileInfo> fileById;
private List<ModContainer> mods;
private Map<String, ModContainer> indexedMods;
private List<ModFileScanData> modFileScanData;
private ModList(final List<ModFile> modFiles, final List<ModInfo> sortedList)
{
this.modFiles = modFiles.stream().map(ModFile::getModFileInfo).map(ModFileInfo.class::cast).collect(Collectors.toList());
this.sortedList = sortedList.stream().
map(ModInfo.class::cast).
collect(Collectors.toList());
this.fileById = this.modFiles.stream().map(ModFileInfo::getMods).flatMap(Collection::stream).
map(ModInfo.class::cast).
collect(Collectors.toMap(ModInfo::getModId, ModInfo::getOwningFile));
CrashReportExtender.registerCrashCallable("Mod List", this::crashReport);
}
private String getModContainerState(String modId) {
return getModContainerById(modId).map(ModContainer::getCurrentState).map(Object::toString).orElse("NONE");
}
private String fileToLine(ModFile mf) {
return mf.getFileName() + " " + mf.getModInfos().get(0).getDisplayName() + " " +
mf.getModInfos().stream().map(mi -> mi.getModId() + "@" + mi.getVersion() + " " +
getModContainerState(mi.getModId())).collect(Collectors.joining(", ", "{", "}"));
}
private String crashReport() {
return "\n"+applyForEachModFile(this::fileToLine).collect(Collectors.joining("\n\t\t", "\t\t", ""));
}
public static ModList of(List<ModFile> modFiles, List<ModInfo> sortedList)
{
INSTANCE = new ModList(modFiles, sortedList);
return INSTANCE;
}
public static ModList get() {
return INSTANCE;
}
private static ForkJoinWorkerThread newForkJoinWorkerThread(ForkJoinPool pool) {
ForkJoinWorkerThread thread = ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool);
thread.setName("modloading-worker-" + thread.getPoolIndex());
// The default sets it to the SystemClassloader, so copy the current one.
thread.setContextClassLoader(Thread.currentThread().getContextClassLoader());
return thread;
}
public List<ModFileInfo> getModFiles()
{
return modFiles;
}
public ModFileInfo getModFileById(String modid)
{
return this.fileById.get(modid);
}
<T extends Event & IModBusEvent> Function<Executor, CompletableFuture<List<Throwable>>> futureVisitor(
final ModLoadingStage.EventGenerator<T> eventGenerator,
final BiFunction<ModLoadingStage, Throwable, ModLoadingStage> stateChange) {
return executor -> gather(
this.mods.stream()
.map(mod -> ModContainer.buildTransitionHandler(mod, eventGenerator, stateChange, executor))
.collect(Collectors.toList()))
.thenComposeAsync(ModList::completableFutureFromExceptionList, executor);
}
static CompletionStage<List<Throwable>> completableFutureFromExceptionList(List<? extends Map.Entry<?, Throwable>> t) {
if (t.stream().noneMatch(e->e.getValue()!=null)) {
return CompletableFuture.completedFuture(Collections.emptyList());
} else {
final List<Throwable> throwables = t.stream().filter(e -> e.getValue() != null).map(Map.Entry::getValue).collect(Collectors.toList());
CompletableFuture<List<Throwable>> cf = new CompletableFuture<>();
final RuntimeException accumulator = new RuntimeException();
cf.completeExceptionally(accumulator);
throwables.forEach(exception -> {
if (exception instanceof CompletionException) {
exception = exception.getCause();
}
if (exception.getSuppressed().length!=0) {
Arrays.stream(exception.getSuppressed()).forEach(accumulator::addSuppressed);
} else {
accumulator.addSuppressed(exception);
}
});
return cf;
}
}
static <V> CompletableFuture<List<Map.Entry<V, Throwable>>> gather(List<? extends CompletableFuture<? extends V>> futures) {
List<Map.Entry<V, Throwable>> list = new ArrayList<>(futures.size());
CompletableFuture<?>[] results = new CompletableFuture[futures.size()];
futures.forEach(future -> {
int i = list.size();
list.add(null);
results[i] = future.whenComplete((result, exception) -> list.set(i, new AbstractMap.SimpleImmutableEntry<>(result, exception)));
});
return CompletableFuture.allOf(results).handle((r, th)->null).thenApply(res -> list);
}
void setLoadedMods(final List<ModContainer> modContainers)
{
this.mods = modContainers;
this.indexedMods = modContainers.stream().collect(Collectors.toMap(ModContainer::getModId, Function.identity()));
}
@SuppressWarnings("unchecked")
public <T> Optional<T> getModObjectById(String modId)
{
return getModContainerById(modId).map(ModContainer::getMod).map(o -> (T) o);
}
public Optional<? extends ModContainer> getModContainerById(String modId)
{
return Optional.ofNullable(this.indexedMods.get(modId));
}
public Optional<? extends ModContainer> getModContainerByObject(Object obj)
{
return mods.stream().filter(mc -> mc.getMod() == obj).findFirst();
}
public List<ModInfo> getMods()
{
return this.sortedList;
}
public boolean isLoaded(String modTarget)
{
return this.indexedMods.containsKey(modTarget);
}
public int size()
{
return mods.size();
}
public List<ModFileScanData> getAllScanData()
{
if (modFileScanData == null)
{
modFileScanData = this.sortedList.stream().
map(ModInfo::getOwningFile).
filter(Objects::nonNull).
map(ModFileInfo::getFile).
distinct().
map(ModFile::getScanResult).
collect(Collectors.toList());
}
return modFileScanData;
}
public void forEachModFile(Consumer<ModFile> fileConsumer)
{
modFiles.stream().map(ModFileInfo::getFile).forEach(fileConsumer);
}
public <T> Stream<T> applyForEachModFile(Function<ModFile, T> function) {
return modFiles.stream().map(ModFileInfo::getFile).map(function);
}
public void forEachModContainer(BiConsumer<String, ModContainer> modContainerConsumer) {
indexedMods.forEach(modContainerConsumer);
}
public <T> Stream<T> applyForEachModContainer(Function<ModContainer, T> function) {
return indexedMods.values().stream().map(function);
}
private static class UncaughtModLoadingException extends ModLoadingException {
public UncaughtModLoadingException(ModLoadingStage stage, Throwable originalException) {
super(null, stage, "fml.modloading.uncaughterror", originalException);
}
}
}