Recny ~電子工作, ハード, ソフト~

// ========================================================================
// ネザーゲート禁止
// ========================================================================
let enable_nether_gate_check = true;

system.runInterval(() => {

    if (!enable_nether_gate_check) return;

    for (const player of world.getPlayers()) {
        try {
            const dim = player.dimension;
            const loc = player.location;

            // プレイヤー周囲 ±1 にポータルがあるかチェック
            let nearPortal = false;
            const searchRange = 1;

            outerLoop: for (let dx = -searchRange; dx <= searchRange; dx++) {
                for (let dy = -searchRange; dy <= searchRange; dy++) {
                    for (let dz = -searchRange; dz <= searchRange; dz++) {
                        const block = dim.getBlock({
                            x: Math.floor(loc.x) + dx,
                            y: Math.floor(loc.y) + dy,
                            z: Math.floor(loc.z) + dz
                        });

                        if (block?.typeId === "minecraft:portal") {
                            nearPortal = true;
                            break outerLoop;
                        }
                    }
                }
            }

            if (!nearPortal) continue;

            // 安全な場所を探す(強制TP用、現在未使用だがおいておく)
            const offsets = [1];
            let safeSpot = null;

            for (let attempt = 0; attempt < 10; attempt++) {
                const dx = offsets[Math.floor(Math.random() * offsets.length)] * (Math.random() < 0.5 ? -1 : 1);
                const dz = offsets[Math.floor(Math.random() * offsets.length)] * (Math.random() < 0.5 ? -1 : 1);

                const tx = Math.floor(loc.x) + dx;
                const ty = Math.floor(loc.y);
                const tz = Math.floor(loc.z) + dz;

                const foot = dim.getBlock({ x: tx, y: ty, z: tz });
                const under = dim.getBlock({ x: tx, y: ty - 1, z: tz });

                if (
                    foot?.typeId === "minecraft:air" &&
                    under && 
                    under.typeId !== "minecraft:air" &&
                    under.typeId !== "minecraft:portal"
                ) {
                    safeSpot = { x: tx + 0.5, y: ty, z: tz + 0.5 };
                    break;
                }
            }

            if (safeSpot) {
                // 効果付与
                player.addEffect("wither", 80, { amplifier: 2, showParticles: false });
                player.addEffect("darkness", 160, { amplifier: 20, showParticles: false });

                player.sendMessage("§c§lネザーゲートは解禁されていません。");

                // 周辺のネザーゲート（ポータルブロック）をair置換
                const x = Math.floor(loc.x);
                const y = Math.floor(loc.y);
                const z = Math.floor(loc.z);
                const destroyRadius = 3;

                player.runCommand(
                    `fill ${x - destroyRadius} ${y - destroyRadius} ${z - destroyRadius} ` +
                    `${x + destroyRadius} ${y + destroyRadius} ${z + destroyRadius} ` +
                    `air replace minecraft:portal`
                );

            }
        } catch (error) {
            // ランタイムエラーをキャッチ（プレイヤーが不正な状態の場合など）
            console.warn(`ネザーゲート禁止処理でエラーが発生: ${error}`);
        }
    }
}, 30);