116 lines
5.2 KiB
Java
116 lines
5.2 KiB
Java
package com.github.zly2006.carpetslsaddition.util;
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import com.github.zly2006.carpetslsaddition.ServerMain;
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import net.minecraft.network.chat.Component;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.stats.ServerStatsCounter;
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import net.minecraft.stats.Stat;
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import net.minecraft.stats.Stats;
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import net.minecraft.world.scores.Objective;
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import net.minecraft.world.scores.ScoreAccess;
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import net.minecraft.world.scores.ScoreHolder;
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import net.minecraft.world.scores.Scoreboard;
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import net.minecraft.world.scores.criteria.ObjectiveCriteria;
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/**
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* 死亡榜 / 挖掘榜的 scoreboard 管理器（服务端）。
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*
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* <p>数据源是 vanilla stats，但 stats 不会自动同步给其他客户端。
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* 因此本类定期把 stats 的聚合值写入 scoreboard objective，
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* 客户端再用原版计分板侧边栏显示（scoreboard 会自动同步给所有客户端）。
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*
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* <ul>
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* <li>{@code sls_deaths}：死亡次数（DUMMY 判据，从 stats 的 {@link Stats#DEATHS} 写入）。</li>
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* <li>{@code sls_mined}：挖掘总数（DUMMY 判据，从 stats 的 {@link Stats#BLOCK_MINED} 聚合）。</li>
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* </ul>
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*/
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public final class BoardManager {
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private BoardManager() {}
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public static final String OBJ_DEATHS = "sls_deaths";
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public static final String OBJ_MINED = "sls_mined";
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/** 确保两个 objective 存在（服务器启动/重载时调用）。 */
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public static void ensureObjectives(MinecraftServer server) {
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Scoreboard sb = server.getScoreboard();
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ServerMain.LOGGER.info("[SLSA] ensureObjectives called, deaths={} mined={}",
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sb.getObjective(OBJ_DEATHS) != null, sb.getObjective(OBJ_MINED) != null);
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if (sb.getObjective(OBJ_DEATHS) == null) {
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sb.addObjective(OBJ_DEATHS, ObjectiveCriteria.DUMMY,
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Component.literal("死亡榜"), ObjectiveCriteria.RenderType.INTEGER, true, null);
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ServerMain.LOGGER.info("[SLSA] created scoreboard objective {}", OBJ_DEATHS);
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}
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if (sb.getObjective(OBJ_MINED) == null) {
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sb.addObjective(OBJ_MINED, ObjectiveCriteria.DUMMY,
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Component.literal("挖掘榜"), ObjectiveCriteria.RenderType.INTEGER, true, null);
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ServerMain.LOGGER.info("[SLSA] created scoreboard objective {}", OBJ_MINED);
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}
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// 让客户端能收到这两个 objective（load 进来的 objective 可能未被追踪）
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if (sb instanceof net.minecraft.server.ServerScoreboard ssb) {
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Objective d = sb.getObjective(OBJ_DEATHS);
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if (d != null) ssb.startTrackingObjective(d);
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Objective m = sb.getObjective(OBJ_MINED);
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if (m != null) ssb.startTrackingObjective(m);
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}
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}
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/** 读取某玩家的挖掘总数（遍历 stats map 中 BLOCK_MINED 类型条目）。 */
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private static int totalMined(ServerStatsCounter counter) {
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int sum = 0;
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for (Stat<?> stat : counter.stats.keySet()) {
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if (stat.getType() == Stats.BLOCK_MINED) {
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sum += counter.getValue(stat);
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}
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}
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return sum;
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}
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/** 读取某玩家的死亡次数。 */
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private static int totalDeaths(ServerStatsCounter counter) {
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return counter.getValue(Stats.CUSTOM, Stats.DEATHS);
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}
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/** 把一个分数写入 objective（若不存在则创建/更新）。 */
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private static void setScore(Scoreboard sb, Objective obj, ServerPlayer player, int value) {
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if (obj == null) {
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return;
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}
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ScoreAccess access = sb.getOrCreatePlayerScore((ScoreHolder) player, obj);
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access.set(value);
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}
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/** 从 stats 同步所有在线玩家的分数到 scoreboard（定期调用）。 */
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public static void syncScores(MinecraftServer server) {
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Scoreboard sb = server.getScoreboard();
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Objective deaths = sb.getObjective(OBJ_DEATHS);
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Objective mined = sb.getObjective(OBJ_MINED);
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if (deaths == null && mined == null) {
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return;
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}
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for (ServerPlayer player : server.getPlayerList().getPlayers()) {
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ServerStatsCounter counter = player.getStats();
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setScore(sb, deaths, player, totalDeaths(counter));
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setScore(sb, mined, player, totalMined(counter));
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}
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}
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/** 客户端请求显示某榜单 → 给该玩家单独发 display 包（不影响其他玩家）。 */
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public static void onClientRequest(ServerPlayer player, String objectiveName) {
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MinecraftServer server = ServerMain.server;
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if (server == null) {
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return;
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}
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Objective obj = objectiveName == null || objectiveName.isEmpty()
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? null
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: server.getScoreboard().getObjective(objectiveName);
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ServerMain.LOGGER.info("[SLSA-BOARD] onClientRequest player={} name={} obj={}",
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player.getScoreboardName(), objectiveName, obj);
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// 直接给该玩家发 display 包（slot=SIDEBAR，objective 可为 null 表示清除）
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player.connection.send(new net.minecraft.network.protocol.game.ClientboundSetDisplayObjectivePacket(
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net.minecraft.world.scores.DisplaySlot.SIDEBAR, obj));
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}
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}
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