Add vending machines

Assets/Prefabs/Vending Machine.prefab

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Assets/Scenes/MainScene.unity

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Assets/Scripts/Environment.meta

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Assets/Scripts/Environment/VendingMachine.cs

@@ -0,0 +1,43 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Saltosion.OneWeapon.Guns;
+using Saltosion.OneWeapon.Utils;
+
+namespace Saltosion.OneWeapon.Environment {
+    public class VendingMachine : MonoBehaviour {
+
+        public int GunsLeft = 3;
+        public List<GameObject> PossibleGuns = new List<GameObject>();
+
+        public float GunLaunchForceMultiplier = 1;
+
+        public Transform HoleTransform;
+
+        public bool DebugExpelGun = false;
+
+        void Update() {
+            if (DebugExpelGun) {
+                ExpelGun();
+                DebugExpelGun = false;
+            }
+        }
+
+        public void ExpelGun() {
+            GameObject Gun = PossibleGuns[Util.RandomValueBetween(0, PossibleGuns.Count - 1)];
+            GameObject ShotGun = GameObject.Instantiate(Gun, HoleTransform.position, new Quaternion());
+            Rigidbody2D Body = ShotGun.GetComponent<Rigidbody2D>();
+            if (Body == null) {
+                Debug.LogError("Shotted Gun has no RigidBody2D!");
+            } else {
+                Vector2 DownwardForce = new Vector2(0, -1) * (Random.value + 0.2f) * GunLaunchForceMultiplier;
+                Vector2 SidewaysForce = new Vector2(1, 0) * (Random.value * 0.4f - 0.2f) * GunLaunchForceMultiplier;
+                Body.AddForce(DownwardForce + SidewaysForce, ForceMode2D.Impulse);
+            }
+            GunsLeft -= 1;
+            if (GunsLeft == 0) {
+                Destroy(this);
+            }
+        }
+    }
+}

Assets/Scripts/Environment/VendingMachine.cs.meta

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Assets/Scripts/Guns/RevolverBullet.cs

@@ -4,6 +4,7 @@ using UnityEngine;
 using Saltosion.OneWeapon.Player;
 using Saltosion.OneWeapon.Enemies;
 using Saltosion.OneWeapon.Effects;
+using Saltosion.OneWeapon.Environment;
 
 namespace Saltosion.OneWeapon.Guns {
     [RequireComponent(typeof(Bullet))]
@@ -49,9 +50,12 @@ namespace Saltosion.OneWeapon.Guns {
             // Do damage here, kill everyone
             Explodable Explodable = collider.GetComponent<Explodable>();
             Health Health = collider.GetComponent<Health>();
+            VendingMachine VendingMachine = collider.GetComponent<VendingMachine>();
             Vector2 Direction = (collider.transform.position - transform.position).normalized;
             if (Health != null) {
                 Health.Damage(12f, -Direction);
+            } else if (VendingMachine != null) {
+                VendingMachine.ExpelGun();
             } else if (Explodable != null) {
                 Explodable.Explode(true);
             } else if (collider.tag == "Environment") {

Assets/Scripts/Player/PunchingHand.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using Saltosion.OneWeapon.Enemies;
 using Saltosion.OneWeapon.Effects;
+using Saltosion.OneWeapon.Environment;
 
 namespace Saltosion.OneWeapon.Player {
     public class PunchingHand : MonoBehaviour {
@@ -19,9 +20,12 @@ namespace Saltosion.OneWeapon.Player {
 
                 Explodable Explodable = collider.GetComponent<Explodable>();
                 Health Health = collider.GetComponent<Health>();
+                VendingMachine VendingMachine = collider.GetComponent<VendingMachine>();
                 Vector2 Direction = (collider.transform.position - transform.position).normalized;
                 if (Health != null) {
                     Health.Damage(8f, -Direction);
+                } else if (VendingMachine != null) {
+                    VendingMachine.ExpelGun();
                 } else if (Explodable != null) {
                     Explodable.Explode(true);
                 }

Assets/Scripts/Utils/Util.cs

@@ -38,5 +38,10 @@ namespace Saltosion.OneWeapon.Utils {
             }
             return FoundTarget;
         }
+
+        public static int RandomValueBetween(int min, int max) {
+            int RollMax = max - min;
+            return (int)(min + Mathf.Min(Mathf.Floor(Random.value * (RollMax + 1)), RollMax));
+        }
     }
 }