150 lines
5.5 KiB
Java
150 lines
5.5 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2019.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml.packs;
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import net.minecraft.resources.ResourcePackInfo;
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import net.minecraft.resources.ResourcePackType;
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import net.minecraft.util.ResourceLocation;
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import net.minecraftforge.fml.loading.moddiscovery.ModFile;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.StandardOpenOption;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Set;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import com.google.common.base.Joiner;
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public class ModFileResourcePack extends DelegatableResourcePack
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{
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private final ModFile modFile;
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private ResourcePackInfo packInfo;
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public ModFileResourcePack(final ModFile modFile)
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{
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super(new File("dummy"));
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this.modFile = modFile;
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}
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public ModFile getModFile() {
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return this.modFile;
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}
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@Override
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public String getName()
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{
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return modFile.getFileName();
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}
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@Override
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public InputStream getInputStream(String name) throws IOException
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{
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final Path path = modFile.getLocator().findPath(modFile, name);
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return Files.newInputStream(path, StandardOpenOption.READ);
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}
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@Override
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public boolean resourceExists(String name)
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{
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return Files.exists(modFile.getLocator().findPath(modFile, name));
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}
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@Override
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public Collection<ResourceLocation> func_225637_a_(ResourcePackType type, String resourceNamespace, String pathIn, int maxDepth, Predicate<String> filter)
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{
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try
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{
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Path root = modFile.getLocator().findPath(modFile, type.getDirectoryName()).toAbsolutePath();
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Path inputPath = root.getFileSystem().getPath(pathIn);
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return Files.walk(root).
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map(path -> root.relativize(path.toAbsolutePath())).
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filter(path -> path.getNameCount() > 1 && path.getNameCount() - 1 <= maxDepth). // Make sure the depth is within bounds, ignoring domain
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filter(path -> !path.toString().endsWith(".mcmeta")). // Ignore .mcmeta files
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filter(path -> path.subpath(1, path.getNameCount()).startsWith(inputPath)). // Make sure the target path is inside this one (again ignoring domain)
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filter(path -> filter.test(path.getFileName().toString())). // Test the file name against the predicate
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// Finally we need to form the RL, so use the first name as the domain, and the rest as the path
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// It is VERY IMPORTANT that we do not rely on Path.toString as this is inconsistent between operating systems
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// Join the path names ourselves to force forward slashes
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map(path -> new ResourceLocation(path.getName(0).toString(), Joiner.on('/').join(path.subpath(1,Math.min(maxDepth, path.getNameCount()))))).
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collect(Collectors.toList());
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}
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catch (IOException e)
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{
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return Collections.emptyList();
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}
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}
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@Override
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public Set<String> getResourceNamespaces(ResourcePackType type)
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{
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try {
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Path root = modFile.getLocator().findPath(modFile, type.getDirectoryName()).toAbsolutePath();
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return Files.walk(root,1)
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.map(path -> root.relativize(path.toAbsolutePath()))
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.filter(path -> path.getNameCount() > 0) // skip the root entry
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.map(p->p.toString().replaceAll("/$","")) // remove the trailing slash, if present
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.filter(s -> !s.isEmpty()) //filter empty strings, otherwise empty strings default to minecraft in ResourceLocations
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.collect(Collectors.toSet());
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}
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catch (IOException e)
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{
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return Collections.emptySet();
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}
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}
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public InputStream getResourceStream(ResourcePackType type, ResourceLocation location) throws IOException {
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if (location.getPath().startsWith("lang/")) {
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return super.getResourceStream(ResourcePackType.CLIENT_RESOURCES, location);
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} else {
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return super.getResourceStream(type, location);
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}
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}
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public boolean resourceExists(ResourcePackType type, ResourceLocation location) {
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if (location.getPath().startsWith("lang/")) {
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return super.resourceExists(ResourcePackType.CLIENT_RESOURCES, location);
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} else {
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return super.resourceExists(type, location);
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}
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}
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@Override
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public void close() throws IOException
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{
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}
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<T extends ResourcePackInfo> void setPackInfo(final T packInfo) {
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this.packInfo = packInfo;
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}
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<T extends ResourcePackInfo> T getPackInfo() {
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return (T)this.packInfo;
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}
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}
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