updates to some scripts + oxygen volume

Acid.cs

@@ -6,6 +6,10 @@ namespace SDG.Unturned
     // Destroys itself after one use and cannot be reset
     public class Acid : MonoBehaviour
     {
+        public Guid effectGuid;
+
+        // Kept because lots of modders have been using this script in Unity,
+		// so removing legacy effect id would break their content.
         public ushort effectID;
     }
 }

DeadzoneVolume.cs

@@ -1,10 +1,24 @@
-using UnityEngine;
+using UnityEngine;
 
 namespace SDG.Framework.Devkit
 {
     // Produces a Deadzone inside of the BoxCollider on the base Game Object
     // BoxCollider must have 'isTrigger' set to True
     public class DeadzoneVolume : MonoBehaviour
     {
+        [SerializeField]
+	private EDeadzoneType _deadzoneType;
+
+	[SerializeField]
+	private float _unprotectedDamagePerSecond;
+
+	[SerializeField]
+	private float _protectedDamagePerSecond;
+
+	[SerializeField]
+	private float _unprotectedRadiationPerSecond = 6.25f;
+
+	[SerializeField]
+	private float _maskFilterDamagePerSecond = 0.4f;
     }
 }

OxygenVolume.cs

@@ -0,0 +1,34 @@
+using UnityEngine;
+
+namespace SDG.Unturned
+{
+    // The New Volumes use the Scale of the GameObject as the Size for the Volume, No Colliders Required
+    // This Volume Script should be attached to an Empty GameObject with Tag and Layer :: Trap
+    // To Visualize the Size of the Volume Temporarily Attach either a BoxCollider or a SphereCollider. Making sure that the Collider Component uses the default Radius ( 0.5 ) or Size ( 1 1 1 )
+    public class OxygenVolume : MonoBehaviour
+    {
+        public bool isBreathable
+        {
+            get
+            {
+                return this._isBreathable;
+            }
+            set
+            {
+                if (!base.enabled)
+                {
+                    this._isBreathable = value;
+                    return;
+                }
+                this._isBreathable = value;
+            }
+        }
+
+        [SerializeField]
+        private bool _isBreathable = true;
+
+        public ELevelVolumeShape Shape;
+
+        public float falloffDistance;
+    }
+}