Code/net/minecraft/client/gui/screens/FaviconTexture.java

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2025-07-01 06:20:03 +00:00
package net.minecraft.client.gui.screens;
import com.google.common.hash.Hashing;
import com.mojang.blaze3d.platform.NativeImage;
import javax.annotation.Nullable;
import net.minecraft.Util;
import net.minecraft.client.renderer.texture.DynamicTexture;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.resources.ResourceLocation;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
@OnlyIn(Dist.CLIENT)
public class FaviconTexture implements AutoCloseable {
private static final ResourceLocation MISSING_LOCATION = ResourceLocation.withDefaultNamespace("textures/misc/unknown_server.png");
private static final int WIDTH = 64;
private static final int HEIGHT = 64;
private final TextureManager textureManager;
private final ResourceLocation textureLocation;
@Nullable
private DynamicTexture texture;
private boolean closed;
private FaviconTexture(TextureManager p_289556_, ResourceLocation p_289549_) {
this.textureManager = p_289556_;
this.textureLocation = p_289549_;
}
public static FaviconTexture forWorld(TextureManager p_289550_, String p_289565_) {
return new FaviconTexture(
p_289550_,
ResourceLocation.withDefaultNamespace(
"worlds/" + Util.sanitizeName(p_289565_, ResourceLocation::validPathChar) + "/" + Hashing.sha1().hashUnencodedChars(p_289565_) + "/icon"
)
);
}
public static FaviconTexture forServer(TextureManager p_289553_, String p_289535_) {
return new FaviconTexture(p_289553_, ResourceLocation.withDefaultNamespace("servers/" + Hashing.sha1().hashUnencodedChars(p_289535_) + "/icon"));
}
public void upload(NativeImage p_289543_) {
if (p_289543_.getWidth() == 64 && p_289543_.getHeight() == 64) {
try {
this.checkOpen();
if (this.texture == null) {
this.texture = new DynamicTexture(() -> "Favicon " + this.textureLocation, p_289543_);
} else {
this.texture.setPixels(p_289543_);
this.texture.upload();
}
this.textureManager.register(this.textureLocation, this.texture);
} catch (Throwable throwable) {
p_289543_.close();
this.clear();
throw throwable;
}
} else {
p_289543_.close();
throw new IllegalArgumentException("Icon must be 64x64, but was " + p_289543_.getWidth() + "x" + p_289543_.getHeight());
}
}
public void clear() {
this.checkOpen();
if (this.texture != null) {
this.textureManager.release(this.textureLocation);
this.texture.close();
this.texture = null;
}
}
public ResourceLocation textureLocation() {
return this.texture != null ? this.textureLocation : MISSING_LOCATION;
}
@Override
public void close() {
this.clear();
this.closed = true;
}
private void checkOpen() {
if (this.closed) {
throw new IllegalStateException("Icon already closed");
}
}
}