Geyser/core/src/main/java/org/geysermc/geyser/skin/FakeHeadProvider.java

195 lines
9.0 KiB
Java

/*
* Copyright (c) 2019-2024 GeyserMC. http://geysermc.org
*
* 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.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.skin;
import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
import com.github.steveice10.opennbt.tag.builtin.StringTag;
import com.github.steveice10.opennbt.tag.builtin.Tag;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.Setter;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.api.skin.Cape;
import org.geysermc.geyser.api.skin.Skin;
import org.geysermc.geyser.api.skin.SkinData;
import org.geysermc.geyser.api.skin.SkinGeometry;
import org.geysermc.geyser.entity.type.LivingEntity;
import org.geysermc.geyser.entity.type.player.PlayerEntity;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.text.GeyserLocale;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
/**
* Responsible for modifying a player's skin when wearing a player head
*/
public class FakeHeadProvider {
private static final LoadingCache<FakeHeadEntry, SkinData> MERGED_SKINS_LOADING_CACHE = CacheBuilder.newBuilder()
.expireAfterAccess(1, TimeUnit.HOURS)
.maximumSize(10000)
.build(new CacheLoader<>() {
@Override
public SkinData load(@NonNull FakeHeadEntry fakeHeadEntry) throws Exception {
SkinData skinData = SkinProvider.getOrDefault(SkinProvider.requestSkinData(fakeHeadEntry.getEntity(), fakeHeadEntry.getSession()), null, 5);
if (skinData == null) {
throw new Exception("Couldn't load player's original skin");
}
Skin skin = skinData.skin();
Cape cape = skinData.cape();
SkinGeometry geometry = skinData.geometry().geometryName().equals("{\"geometry\" :{\"default\" :\"geometry.humanoid.customSlim\"}}")
? SkinProvider.WEARING_CUSTOM_SKULL_SLIM : SkinProvider.WEARING_CUSTOM_SKULL;
Skin headSkin = SkinProvider.getOrDefault(
SkinProvider.requestSkin(fakeHeadEntry.getEntity().getUuid(), fakeHeadEntry.getFakeHeadSkinUrl(), false), SkinProvider.EMPTY_SKIN, 5);
BufferedImage originalSkinImage = SkinProvider.imageDataToBufferedImage(skin.skinData(), 64, skin.skinData().length / 4 / 64);
BufferedImage headSkinImage = SkinProvider.imageDataToBufferedImage(headSkin.skinData(), 64, headSkin.skinData().length / 4 / 64);
Graphics2D graphics2D = originalSkinImage.createGraphics();
graphics2D.setComposite(AlphaComposite.Clear);
graphics2D.fillRect(0, 0, 64, 16);
graphics2D.setComposite(AlphaComposite.SrcOver);
graphics2D.drawImage(headSkinImage, 0, 0, 64, 16, 0, 0, 64, 16, null);
graphics2D.dispose();
// Make the skin key a combination of the current skin data and the new skin data
// Don't tie it to a player - that player *can* change skins in-game
String skinKey = "customPlayerHead_" + fakeHeadEntry.getFakeHeadSkinUrl() + "_" + skin.textureUrl();
byte[] targetSkinData = SkinProvider.bufferedImageToImageData(originalSkinImage);
Skin mergedSkin = new Skin(skinKey, targetSkinData);
// Avoiding memory leak
fakeHeadEntry.setEntity(null);
fakeHeadEntry.setSession(null);
return new SkinData(mergedSkin, cape, geometry);
}
});
public static void setHead(GeyserSession session, PlayerEntity entity, Tag skullOwner) {
if (skullOwner == null) {
return;
}
if (skullOwner instanceof CompoundTag profileTag) {
SkinManager.GameProfileData gameProfileData = SkinManager.GameProfileData.from(profileTag);
if (gameProfileData == null) {
return;
}
loadHead(session, entity, gameProfileData);
} else if (skullOwner instanceof StringTag ownerTag) {
String owner = ownerTag.getValue();
if (owner.isEmpty()) {
return;
}
CompletableFuture<String> completableFuture = SkinProvider.requestTexturesFromUsername(owner);
completableFuture.whenCompleteAsync((encodedJson, throwable) -> {
if (throwable != null) {
GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.skin.fail", entity.getUuid()), throwable);
return;
}
try {
SkinManager.GameProfileData gameProfileData = SkinManager.GameProfileData.loadFromJson(encodedJson);
if (gameProfileData == null) {
return;
}
loadHead(session, entity, gameProfileData);
} catch (IOException e) {
GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.skin.fail", entity.getUuid(), e.getMessage()));
}
});
}
}
public static void loadHead(GeyserSession session, PlayerEntity entity, SkinManager.GameProfileData gameProfileData) {
String fakeHeadSkinUrl = gameProfileData.skinUrl();
session.getPlayerWithCustomHeads().add(entity.getUuid());
String texturesProperty = entity.getTexturesProperty();
SkinProvider.getExecutorService().execute(() -> {
try {
SkinData mergedSkinData = MERGED_SKINS_LOADING_CACHE.get(new FakeHeadEntry(texturesProperty, fakeHeadSkinUrl, entity, session));
SkinManager.sendSkinPacket(session, entity, mergedSkinData);
} catch (ExecutionException e) {
GeyserImpl.getInstance().getLogger().error("Couldn't merge skin of " + entity.getUsername() + " with head skin url " + fakeHeadSkinUrl, e);
}
});
}
public static void restoreOriginalSkin(GeyserSession session, LivingEntity livingEntity) {
if (!(livingEntity instanceof PlayerEntity entity)) {
return;
}
if (!session.getPlayerWithCustomHeads().remove(entity.getUuid())) {
return;
}
SkinProvider.requestSkinData(entity, session).whenCompleteAsync((skinData, throwable) -> {
if (throwable != null) {
GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.skin.fail", entity.getUuid()), throwable);
return;
}
SkinManager.sendSkinPacket(session, entity, skinData);
});
}
@AllArgsConstructor
@Getter
@Setter
private static class FakeHeadEntry {
private final String texturesProperty;
private final String fakeHeadSkinUrl;
private PlayerEntity entity;
private GeyserSession session;
@Override
public boolean equals(Object o) {
// We don't care about the equality of the entity as that is not used for caching purposes
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
FakeHeadEntry that = (FakeHeadEntry) o;
return Objects.equals(texturesProperty, that.texturesProperty) && Objects.equals(fakeHeadSkinUrl, that.fakeHeadSkinUrl);
}
@Override
public int hashCode() {
return Objects.hash(texturesProperty, fakeHeadSkinUrl);
}
}
}