minecraft-src/net/minecraft/client/gui/narration/ScreenNarrationCollector.java
2025-07-04 01:41:11 +03:00

95 lines
2.7 KiB
Java

package net.minecraft.client.gui.narration;
import com.google.common.collect.Maps;
import java.util.Comparator;
import java.util.Map;
import java.util.function.Consumer;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
@Environment(EnvType.CLIENT)
public class ScreenNarrationCollector {
int generation;
final Map<ScreenNarrationCollector.EntryKey, ScreenNarrationCollector.NarrationEntry> entries = Maps.newTreeMap(
Comparator.comparing(entryKey -> entryKey.type).thenComparing(entryKey -> entryKey.depth)
);
public void update(Consumer<NarrationElementOutput> updater) {
this.generation++;
updater.accept(new ScreenNarrationCollector.Output(0));
}
public String collectNarrationText(boolean collectAll) {
final StringBuilder stringBuilder = new StringBuilder();
Consumer<String> consumer = new Consumer<String>() {
private boolean firstEntry = true;
public void accept(String str) {
if (!this.firstEntry) {
stringBuilder.append(". ");
}
this.firstEntry = false;
stringBuilder.append(str);
}
};
this.entries.forEach((entryKey, narrationEntry) -> {
if (narrationEntry.generation == this.generation && (collectAll || !narrationEntry.alreadyNarrated)) {
narrationEntry.contents.getText(consumer);
narrationEntry.alreadyNarrated = true;
}
});
return stringBuilder.toString();
}
@Environment(EnvType.CLIENT)
static class EntryKey {
final NarratedElementType type;
final int depth;
EntryKey(NarratedElementType type, int depth) {
this.type = type;
this.depth = depth;
}
}
@Environment(EnvType.CLIENT)
static class NarrationEntry {
NarrationThunk<?> contents = NarrationThunk.EMPTY;
int generation = -1;
boolean alreadyNarrated;
public ScreenNarrationCollector.NarrationEntry update(int generation, NarrationThunk<?> contents) {
if (!this.contents.equals(contents)) {
this.contents = contents;
this.alreadyNarrated = false;
} else if (this.generation + 1 != generation) {
this.alreadyNarrated = false;
}
this.generation = generation;
return this;
}
}
@Environment(EnvType.CLIENT)
class Output implements NarrationElementOutput {
private final int depth;
Output(final int depth) {
this.depth = depth;
}
@Override
public void add(NarratedElementType type, NarrationThunk<?> contents) {
((ScreenNarrationCollector.NarrationEntry)ScreenNarrationCollector.this.entries
.computeIfAbsent(new ScreenNarrationCollector.EntryKey(type, this.depth), entryKey -> new ScreenNarrationCollector.NarrationEntry()))
.update(ScreenNarrationCollector.this.generation, contents);
}
@Override
public NarrationElementOutput nest() {
return ScreenNarrationCollector.this.new Output(this.depth + 1);
}
}
}