54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
package net.minecraft.client.renderer.texture.atlas.sources;
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import com.mojang.blaze3d.platform.NativeImage;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicReference;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.server.packs.resources.Resource;
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import net.minecraftforge.api.distmarker.Dist;
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import net.minecraftforge.api.distmarker.OnlyIn;
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@OnlyIn(Dist.CLIENT)
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public class LazyLoadedImage {
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private final ResourceLocation id;
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private final Resource resource;
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private final AtomicReference<NativeImage> image = new AtomicReference<>();
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private final AtomicInteger referenceCount;
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public LazyLoadedImage(ResourceLocation p_267104_, Resource p_266995_, int p_266778_) {
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this.id = p_267104_;
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this.resource = p_266995_;
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this.referenceCount = new AtomicInteger(p_266778_);
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}
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public NativeImage get() throws IOException {
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NativeImage nativeimage = this.image.get();
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if (nativeimage == null) {
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synchronized (this) {
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nativeimage = this.image.get();
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if (nativeimage == null) {
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try (InputStream inputstream = this.resource.open()) {
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nativeimage = NativeImage.read(inputstream);
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this.image.set(nativeimage);
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} catch (IOException ioexception) {
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throw new IOException("Failed to load image " + this.id, ioexception);
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}
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}
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}
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}
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return nativeimage;
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}
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public void release() {
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int i = this.referenceCount.decrementAndGet();
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if (i <= 0) {
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NativeImage nativeimage = this.image.getAndSet(null);
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if (nativeimage != null) {
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nativeimage.close();
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}
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}
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}
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} |