74 lines
2.2 KiB
Java
74 lines
2.2 KiB
Java
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package net.minecraft.client.multiplayer.chat;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DataResult;
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import java.util.ArrayList;
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import java.util.List;
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import javax.annotation.Nullable;
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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 ChatLog {
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private final LoggedChatEvent[] buffer;
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private int nextId;
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public static Codec<ChatLog> codec(int p_253922_) {
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return Codec.list(LoggedChatEvent.CODEC)
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.comapFlatMap(
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p_274704_ -> {
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int i = p_274704_.size();
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return i > p_253922_
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? DataResult.error(
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() -> "Expected: a buffer of size less than or equal to " + p_253922_ + " but: " + i + " is greater than " + p_253922_
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)
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: DataResult.success(new ChatLog(p_253922_, (List<LoggedChatEvent>)p_274704_));
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},
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ChatLog::loggedChatEvents
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);
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}
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public ChatLog(int p_251403_) {
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this.buffer = new LoggedChatEvent[p_251403_];
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}
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private ChatLog(int p_254212_, List<LoggedChatEvent> p_253624_) {
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this.buffer = p_253624_.toArray(LoggedChatEvent[]::new);
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this.nextId = p_253624_.size();
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}
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private List<LoggedChatEvent> loggedChatEvents() {
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List<LoggedChatEvent> list = new ArrayList<>(this.size());
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for (int i = this.start(); i <= this.end(); i++) {
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list.add(this.lookup(i));
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}
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return list;
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}
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public void push(LoggedChatEvent p_242319_) {
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this.buffer[this.index(this.nextId++)] = p_242319_;
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}
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@Nullable
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public LoggedChatEvent lookup(int p_239050_) {
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return p_239050_ >= this.start() && p_239050_ <= this.end() ? this.buffer[this.index(p_239050_)] : null;
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}
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private int index(int p_249044_) {
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return p_249044_ % this.buffer.length;
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}
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public int start() {
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return Math.max(this.nextId - this.buffer.length, 0);
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}
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public int end() {
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return this.nextId - 1;
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}
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private int size() {
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return this.end() - this.start() + 1;
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}
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}
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