feat: 특정 등급 이상 도시 보유 조건 추가

hwe/sammo/GameUnitConstraint/ReqHighLevelCities.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace sammo\GameUnitConstraint;
+
+use sammo\General;
+
+use function sammo\getCityLevelList;
+
+class ReqHighLevelCities extends BaseGameUnitConstraint
+{
+
+    public readonly array $reqCities;
+    public function __construct(
+        public readonly int $reqCityLevel,
+        public readonly int $reqCityCount
+    ) {}
+
+    public function test(General $general, array $ownCities, array $ownRegions, int $relativeYear, int $tech, array $nationAux): bool
+    {
+        $cnt = 0;
+        foreach ($ownCities as $cityItem) {
+            if ($cityItem['level'] >= $this->reqCityLevel) {
+                $cnt++;
+            }
+        }
+
+        if($cnt >= $this->reqCityCount) {
+            return true;
+        }
+
+        return false;
+    }
+
+    public function getInfo(): string
+    {
+        $cityLevelText = getCityLevelList()[$this->reqCityLevel];
+        return "{$cityLevelText}성 {$this->reqCityCount}개 이상 소유시 가능";
+    }
+}