add: now enemies properly spawn on deploy

Assets/Scripts/Game/GameController.cs

@@ -1,30 +1,42 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using UnityEditor;
 using UnityEngine;
+using Random = UnityEngine.Random;
 
 public class GameController : MonoBehaviour
 {
     public static GameController i;
     public List<LevelInfo> levels;
+    public List<EnemyInfo> enemies;
 
     public void Start() {
         if (i) { Destroy(gameObject); return; }
-        i = gameObject.GetComponent<GameController>();
+        i = GetComponent<GameController>();
         DontDestroyOnLoad(gameObject);
+        levels = levels.Select(li => {
+            li.hp = li.maxHp;
+            li.enemies = new();
+            return li;
+        }).ToList();
+        levels.ForEach(li => {
+            AddEnemyInLevel(SelectEnemyWeighted().prefab, li.scene.name);
+        });
+
     }
 
     public Dictionary<GameObject, int> PopEnemies(string sceneName) {
         LevelInfo li = levels.Find(x => x.scene.name == sceneName);
-        Dictionary<GameObject, int> enemies = li.enemies;
+        Dictionary<GameObject, int> levelEnemies = new(li.enemies);
         li.enemies.Clear();
-        return enemies;
+        return levelEnemies;
     }
 
     public void AddEnemyInLevel(GameObject enemy, string sceneName) {
-        Dictionary<GameObject, int> enemies = levels.Find(x => x.scene.name == sceneName).enemies;
-        if (enemies.ContainsKey(enemy)) enemies[enemy] += 1;
-        else enemies[enemy] = 1;
+        Dictionary<GameObject, int> levelEnemies = levels.Find(x => x.scene.name == sceneName).enemies;
+        if (levelEnemies.ContainsKey(enemy)) levelEnemies[enemy] += 1;
+        else levelEnemies[enemy] = 1;
     }
 
     public LevelInfo GetLevel(string sceneName) {
@@ -34,6 +46,17 @@ public class GameController : MonoBehaviour
     public void OnLevelClear(string sceneName, float timeSpent) {
 
     }
+
+    EnemyInfo SelectEnemyWeighted() {
+        float sumWeights = enemies.Sum(enemy => enemy.weight);
+        float r = Random.Range(0, sumWeights);
+        float curSum = 0;
+        foreach (EnemyInfo en in enemies) {
+            curSum += en.weight;
+            if (curSum >= r) return en;
+        }
+        return enemies[^1];
+    }
 }
 
 [Serializable]
@@ -52,3 +75,9 @@ public enum FactoryType {
     Minigun,
     Railgun
 }
+
+[Serializable]
+public struct EnemyInfo {
+    public GameObject prefab;
+    public float weight;
+}