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| #!/usr/bin/env perl
# 言語: perl
# バージョン: 5.36以上
# 依存: Moo（cpanmでインストール）
use v5.36;
# ===================================
# イベントクラス
# ===================================
package GameEvent {
use Moo;
use v5.36;
has 'type' => (
is => 'ro',
required => 1,
);
has 'message' => (
is => 'ro',
required => 1,
);
has 'data' => (
is => 'ro',
default => sub { {} },
);
}
# ===================================
# Observerインターフェース
# ===================================
package GameEventObserver {
use Moo::Role;
use v5.36;
requires 'update';
}
# ===================================
# 各Observer実装
# ===================================
package LogObserver {
use Moo;
use v5.36;
with 'GameEventObserver';
sub update ($self, $event) {
say "[LOG] " . $event->message;
}
}
package AchievementObserver {
use Moo;
use v5.36;
with 'GameEventObserver';
has 'unlocked' => (
is => 'ro',
default => sub { [] },
);
has 'defeated_count' => (
is => 'rw',
default => 0,
);
has 'item_count' => (
is => 'rw',
default => 0,
);
sub update ($self, $event) {
my $type = $event->type;
if ($type eq 'enemy_defeated') {
my $count = $self->defeated_count + 1;
$self->defeated_count($count);
$self->_check_achievement($count, 1, 'はじめての勝利');
$self->_check_achievement($count, 5, 'ハンター見習い');
$self->_check_achievement($count, 10, 'ハンター');
}
elsif ($type eq 'item_acquired') {
my $count = $self->item_count + 1;
$self->item_count($count);
$self->_check_achievement($count, 1, 'コレクター見習い');
$self->_check_achievement($count, 5, 'コレクター');
}
elsif ($type eq 'level_up') {
my $level = $event->data->{level} // 0;
$self->_check_achievement($level, 3, '成長中');
$self->_check_achievement($level, 5, '一人前');
}
}
sub _check_achievement ($self, $current, $target, $name) {
if ($current == $target) {
push @{$self->unlocked}, $name;
say "[ACHIEVEMENT] ★ 実績解除: $name ★";
}
}
sub show_achievements ($self) {
if (@{$self->unlocked}) {
say "";
say "☆ 解除した実績 ☆";
say " - $_" for @{$self->unlocked};
} else {
say "";
say "まだ実績を解除していません";
}
}
}
package SoundObserver {
use Moo;
use v5.36;
with 'GameEventObserver';
has 'enabled' => (
is => 'rw',
default => 1,
);
has 'sound_map' => (
is => 'ro',
default => sub {{
enemy_defeated => '♪ ジャン！',
item_acquired => '♪ キラリン！',
level_up => '♪ ファンファーレ！',
}},
);
sub update ($self, $event) {
return unless $self->enabled;
my $type = $event->type;
my $sound = $self->sound_map->{$type};
if ($sound) {
say "[SOUND] $sound";
}
}
}
package StatisticsObserver {
use Moo;
use v5.36;
with 'GameEventObserver';
has 'stats' => (
is => 'ro',
default => sub {{
enemy_defeated => 0,
item_acquired => 0,
level_up => 0,
}},
);
sub update ($self, $event) {
my $type = $event->type;
if (exists $self->stats->{$type}) {
$self->stats->{$type}++;
}
}
sub show_stats ($self) {
say "";
say "┌─────────────────────┐";
say "│ 探索統計 │";
say "├─────────────────────┤";
say "│ 敵撃破数: " . sprintf("%5d", $self->stats->{enemy_defeated}) . " │";
say "│ アイテム取得: " . sprintf("%5d", $self->stats->{item_acquired}) . " │";
say "│ レベルアップ: " . sprintf("%5d", $self->stats->{level_up}) . " │";
say "└─────────────────────┘";
}
}
# ===================================
# イベントエミッター
# ===================================
package GameEventEmitter {
use Moo;
use v5.36;
has 'observers' => (
is => 'ro',
default => sub { [] },
);
sub attach ($self, $observer) {
unless ($observer->does('GameEventObserver')) {
die "Error: ObserverはGameEventObserverを実装している必要があります";
}
push @{$self->observers}, $observer;
}
sub detach ($self, $observer) {
@{$self->observers} = grep { $_ != $observer } @{$self->observers};
}
sub notify ($self, $event) {
for my $observer (@{$self->observers}) {
$observer->update($event);
}
}
}
# ===================================
# ゲームメインクラス
# ===================================
package DungeonGame {
use Moo;
use v5.36;
has 'emitter' => (
is => 'ro',
default => sub { GameEventEmitter->new() },
);
has 'log_observer' => (
is => 'ro',
default => sub { LogObserver->new() },
);
has 'achievement_observer' => (
is => 'ro',
default => sub { AchievementObserver->new() },
);
has 'sound_observer' => (
is => 'ro',
default => sub { SoundObserver->new() },
);
has 'statistics_observer' => (
is => 'ro',
default => sub { StatisticsObserver->new() },
);
has 'player_level' => (
is => 'rw',
default => 1,
);
has 'enemies' => (
is => 'ro',
default => sub { ['スライム', 'ゴブリン', 'オーク', 'トロル', 'ドラゴン'] },
);
has 'items' => (
is => 'ro',
default => sub { ['薬草', 'ポーション', '宝箱', '魔法の剣', '古代の鍵'] },
);
sub BUILD ($self, $args) {
$self->emitter->attach($self->log_observer);
$self->emitter->attach($self->achievement_observer);
$self->emitter->attach($self->sound_observer);
$self->emitter->attach($self->statistics_observer);
}
sub defeat_random_enemy ($self) {
my @enemies = @{$self->enemies};
my $enemy = $enemies[rand @enemies];
my $event = GameEvent->new(
type => 'enemy_defeated',
message => "${enemy}を倒した！",
);
$self->emitter->notify($event);
# たまにレベルアップ
if (rand() < 0.3) {
$self->level_up();
}
}
sub find_random_item ($self) {
my @items = @{$self->items};
my $item = $items[rand @items];
my $event = GameEvent->new(
type => 'item_acquired',
message => "${item}を手に入れた！",
);
$self->emitter->notify($event);
}
sub level_up ($self) {
my $new_level = $self->player_level + 1;
$self->player_level($new_level);
my $event = GameEvent->new(
type => 'level_up',
message => "レベルが${new_level}になった！",
data => { level => $new_level },
);
$self->emitter->notify($event);
}
sub toggle_sound ($self) {
my $current = $self->sound_observer->enabled;
$self->sound_observer->enabled(!$current);
say $current ? "[SETTINGS] サウンドをOFFにしました" : "[SETTINGS] サウンドをONにしました";
}
sub show_results ($self) {
$self->statistics_observer->show_stats();
$self->achievement_observer->show_achievements();
}
}
# ===================================
# メイン処理
# ===================================
package main {
use v5.36;
say "╔═══════════════════════════════════════════╗";
say "║ ローグライク・ダンジョン探索ゲーム ║";
say "║ 〜通知システムデモ〜 ║";
say "╚═══════════════════════════════════════════╝";
say "";
say "コマンド:";
say " 1: 敵を倒す";
say " 2: アイテムを探す";
say " 3: サウンドON/OFF";
say " 4: 結果を表示";
say " q: 終了";
say "";
my $game = DungeonGame->new();
while (1) {
print "> ";
my $input = <STDIN>;
chomp $input;
if ($input eq '1') {
$game->defeat_random_enemy();
}
elsif ($input eq '2') {
$game->find_random_item();
}
elsif ($input eq '3') {
$game->toggle_sound();
}
elsif ($input eq '4') {
$game->show_results();
}
elsif ($input eq 'q') {
say "";
say "=== ゲーム終了 ===";
$game->show_results();
last;
}
else {
say "不明なコマンド: $input";
}
say "";
}
}
|
