minecraft-src/net/minecraft/client/renderer/texture/TextureManager.java

package net.minecraft.client.renderer.texture;

import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.logging.LogUtils;
import com.mojang.realmsclient.gui.screens.AddRealmPopupScreen;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.CrashReport;
import net.minecraft.CrashReportCategory;
import net.minecraft.CrashReportDetail;
import net.minecraft.ReportedException;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.screens.TitleScreen;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.packs.resources.PreparableReloadListener;
import net.minecraft.server.packs.resources.ResourceManager;
import net.minecraft.util.profiling.ProfilerFiller;
import org.slf4j.Logger;

@Environment(EnvType.CLIENT)
public class TextureManager implements PreparableReloadListener, Tickable, AutoCloseable {
	private static final Logger LOGGER = LogUtils.getLogger();
	public static final ResourceLocation INTENTIONAL_MISSING_TEXTURE = ResourceLocation.withDefaultNamespace("");
	private final Map<ResourceLocation, AbstractTexture> byPath = Maps.<ResourceLocation, AbstractTexture>newHashMap();
	private final Set<Tickable> tickableTextures = Sets.<Tickable>newHashSet();
	private final Map<String, Integer> prefixRegister = Maps.<String, Integer>newHashMap();
	private final ResourceManager resourceManager;

	public TextureManager(ResourceManager resourceManager) {
		this.resourceManager = resourceManager;
	}

	public void bindForSetup(ResourceLocation path) {
		if (!RenderSystem.isOnRenderThread()) {
			RenderSystem.recordRenderCall(() -> this._bind(path));
		} else {
			this._bind(path);
		}
	}

	private void _bind(ResourceLocation path) {
		AbstractTexture abstractTexture = (AbstractTexture)this.byPath.get(path);
		if (abstractTexture == null) {
			abstractTexture = new SimpleTexture(path);
			this.register(path, abstractTexture);
		}

		abstractTexture.bind();
	}

	public void register(ResourceLocation path, AbstractTexture texture) {
		texture = this.loadTexture(path, texture);
		AbstractTexture abstractTexture = (AbstractTexture)this.byPath.put(path, texture);
		if (abstractTexture != texture) {
			if (abstractTexture != null && abstractTexture != MissingTextureAtlasSprite.getTexture()) {
				this.safeClose(path, abstractTexture);
			}

			if (texture instanceof Tickable) {
				this.tickableTextures.add((Tickable)texture);
			}
		}
	}

	private void safeClose(ResourceLocation path, AbstractTexture texture) {
		if (texture != MissingTextureAtlasSprite.getTexture()) {
			this.tickableTextures.remove(texture);

			try {
				texture.close();
			} catch (Exception var4) {
				LOGGER.warn("Failed to close texture {}", path, var4);
			}
		}

		texture.releaseId();
	}

	private AbstractTexture loadTexture(ResourceLocation path, AbstractTexture texture) {
		try {
			texture.load(this.resourceManager);
			return texture;
		} catch (IOException var6) {
			if (path != INTENTIONAL_MISSING_TEXTURE) {
				LOGGER.warn("Failed to load texture: {}", path, var6);
			}

			return MissingTextureAtlasSprite.getTexture();
		} catch (Throwable var7) {
			CrashReport crashReport = CrashReport.forThrowable(var7, "Registering texture");
			CrashReportCategory crashReportCategory = crashReport.addCategory("Resource location being registered");
			crashReportCategory.setDetail("Resource location", path);
			crashReportCategory.setDetail("Texture object class", (CrashReportDetail<String>)(() -> texture.getClass().getName()));
			throw new ReportedException(crashReport);
		}
	}

	public AbstractTexture getTexture(ResourceLocation path) {
		AbstractTexture abstractTexture = (AbstractTexture)this.byPath.get(path);
		if (abstractTexture == null) {
			abstractTexture = new SimpleTexture(path);
			this.register(path, abstractTexture);
		}

		return abstractTexture;
	}

	public AbstractTexture getTexture(ResourceLocation path, AbstractTexture defaultTexture) {
		return (AbstractTexture)this.byPath.getOrDefault(path, defaultTexture);
	}

	public ResourceLocation register(String name, DynamicTexture texture) {
		Integer integer = (Integer)this.prefixRegister.get(name);
		if (integer == null) {
			integer = 1;
		} else {
			integer = integer + 1;
		}

		this.prefixRegister.put(name, integer);
		ResourceLocation resourceLocation = ResourceLocation.withDefaultNamespace(String.format(Locale.ROOT, "dynamic/%s_%d", name, integer));
		this.register(resourceLocation, texture);
		return resourceLocation;
	}

	public CompletableFuture<Void> preload(ResourceLocation path, Executor backgroundExecutor) {
		if (!this.byPath.containsKey(path)) {
			PreloadedTexture preloadedTexture = new PreloadedTexture(this.resourceManager, path, backgroundExecutor);
			this.byPath.put(path, preloadedTexture);
			return preloadedTexture.getFuture().thenRunAsync(() -> this.register(path, preloadedTexture), TextureManager::execute);
		} else {
			return CompletableFuture.completedFuture(null);
		}
	}

	private static void execute(Runnable runnable) {
		Minecraft.getInstance().execute(() -> RenderSystem.recordRenderCall(runnable::run));
	}

	@Override
	public void tick() {
		for (Tickable tickable : this.tickableTextures) {
			tickable.tick();
		}
	}

	public void release(ResourceLocation path) {
		AbstractTexture abstractTexture = (AbstractTexture)this.byPath.remove(path);
		if (abstractTexture != null) {
			this.safeClose(path, abstractTexture);
		}
	}

	public void close() {
		this.byPath.forEach(this::safeClose);
		this.byPath.clear();
		this.tickableTextures.clear();
		this.prefixRegister.clear();
	}

	@Override
	public CompletableFuture<Void> reload(
		PreparableReloadListener.PreparationBarrier preparationBarrier,
		ResourceManager resourceManager,
		ProfilerFiller preparationsProfiler,
		ProfilerFiller reloadProfiler,
		Executor backgroundExecutor,
		Executor gameExecutor
	) {
		CompletableFuture<Void> completableFuture = new CompletableFuture();
		TitleScreen.preloadResources(this, backgroundExecutor).thenCompose(preparationBarrier::wait).thenAcceptAsync(void_ -> {
			MissingTextureAtlasSprite.getTexture();
			AddRealmPopupScreen.updateCarouselImages(this.resourceManager);
			Iterator<Entry<ResourceLocation, AbstractTexture>> iterator = this.byPath.entrySet().iterator();

			while (iterator.hasNext()) {
				Entry<ResourceLocation, AbstractTexture> entry = (Entry<ResourceLocation, AbstractTexture>)iterator.next();
				ResourceLocation resourceLocation = (ResourceLocation)entry.getKey();
				AbstractTexture abstractTexture = (AbstractTexture)entry.getValue();
				if (abstractTexture == MissingTextureAtlasSprite.getTexture() && !resourceLocation.equals(MissingTextureAtlasSprite.getLocation())) {
					iterator.remove();
				} else {
					abstractTexture.reset(this, resourceManager, resourceLocation, gameExecutor);
				}
			}

			Minecraft.getInstance().tell(() -> completableFuture.complete(null));
		}, runnable -> RenderSystem.recordRenderCall(runnable::run));
		return completableFuture;
	}

	public void dumpAllSheets(Path path) {
		if (!RenderSystem.isOnRenderThread()) {
			RenderSystem.recordRenderCall(() -> this._dumpAllSheets(path));
		} else {
			this._dumpAllSheets(path);
		}
	}

	private void _dumpAllSheets(Path path) {
		try {
			Files.createDirectories(path);
		} catch (IOException var3) {
			LOGGER.error("Failed to create directory {}", path, var3);
			return;
		}

		this.byPath.forEach((resourceLocation, abstractTexture) -> {
			if (abstractTexture instanceof Dumpable dumpable) {
				try {
					dumpable.dumpContents(resourceLocation, path);
				} catch (IOException var5) {
					LOGGER.error("Failed to dump texture {}", resourceLocation, var5);
				}
			}
		});
	}
}