Explosives, chemicals and medical items disappear when their condition falls to 0 (i.e. when they're fully used).

Railgun shells, detonators and depth charges also now "use" their contents instead of destroying them. (See #322)

Barotrauma/BarotraumaShared/Content/Items/Medical/medical.xml

@@ -62,6 +62,10 @@
         <!-- Only give healing effect if their health is more than 50 -->
         <Conditional Health="gt 50"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </MeleeWeapon>
   </Item>
 
@@ -81,6 +85,10 @@
       <StatusEffect tags="poison,iron" type="OnUse" target="Character" Health="-2" duration="10">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -107,6 +115,10 @@
       <StatusEffect tags="medical" type="OnUse" target="Character" Health="0.3" Oxygen="0.3" duration="10">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
   
@@ -126,6 +138,10 @@
       <StatusEffect tags="poison,chlorine" type="OnUse" target="Character" Health="-0.1" duration="20.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -151,6 +167,10 @@
       <StatusEffect tags="drunk" type="OnUse" target="Character" SpeedMultiplier="0.8" setvalue="true" duration="20.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -170,6 +190,10 @@
       <StatusEffect type="OnUse" target="Character" Health="-5.0" disabledeltatime="true">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -193,6 +217,10 @@
         <Sound file="Content/Items/Reactor/explosion.ogg"/>
         <Explosion range="250.0" structuredamage="10" damage="20" stun="5" force="5.0"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -212,6 +240,10 @@
       <StatusEffect type="OnUse" target="Character" Health="-5.0" disabledeltatime="true">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
   
@@ -236,6 +268,10 @@
         <Conditional Health="lt 0.1"/>
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
   
@@ -257,6 +293,10 @@
       <StatusEffect tags="medical" type="OnUse" target="Character" Health="-0.3" Oxygen="2.0" duration="10">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -277,6 +317,10 @@
     <ItemComponent>
       <StatusEffect tags="medical" type="OnUse" target="Character" Bleeding="-0.1" duration="10.0"/>
       <StatusEffect type="OnUse" target="This" Condition="-25.0" disabledeltatime="true"/>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </ItemComponent>
 
     <Throwable canBeCombined="true" slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
@@ -303,7 +347,11 @@
     
     <ItemComponent>
       <StatusEffect type="OnUse" target="This" Condition="-25.0" disabledeltatime="true"/>
-      <StatusEffect tags="medical" type="OnUse" target="Character, This" Health="-0.5" duration="10"/>      
+      <StatusEffect tags="medical" type="OnUse" target="Character, This" Health="-0.5" duration="10"/>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </ItemComponent>
 
     <Throwable canBeCombined="true" slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
@@ -318,8 +366,7 @@
     category="Material"
     spritecolor="1.0,1.0,0.0,1.0"
     cargocontainername="Chemical Crate"
-    Tags="smallitem,chem,medical"
+    Tags="smallitem,chem,medical"    
-    
     description="A highly potent corrigodone-based stimulant."
     price="150">
 
@@ -331,6 +378,10 @@
       <StatusEffect tags="medical" type="OnUse" target="Character" Health="0.5" Oxygen="0.5" Bleeding="-0.025" duration="60.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -351,6 +402,10 @@
       <StatusEffect tags="medical" type="OnUse" target="Character" SpeedMultiplier="1.5" setvalue="true" duration="60.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -381,6 +436,10 @@
         <Conditional SpeciesName="husk"/>
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -403,6 +462,10 @@
           <CancelStatusEffect/>
         </Conditional>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -427,6 +490,10 @@
         <sound file="Content/Items/Reactor/explosion.ogg"/>
         <Explosion range="300.0" structuredamage="50" damage="30" stun="5" force="10.0"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -451,6 +518,14 @@
         <Sound file="Content/Items/Reactor/explosion.ogg"/>
         <Explosion range="500" damage="5" stun="3" force="0.1"/>
       </StatusEffect>
+      <StatusEffect type="OnUse" target="This" Condition="-100.0">
+        <Sound file="Content/Items/Reactor/explosion.ogg"/>
+        <Explosion range="500" damage="5" stun="3" force="0.1"/>
+      </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
   
@@ -470,6 +545,10 @@
       <StatusEffect type="OnUse" target="Character" Health="-5.0" Stun="10" disabledeltatime="true">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -489,6 +568,10 @@
       <StatusEffect tags="poison,acid" type="OnUse" target="Character" Health="-1.0" duration="30.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
   
@@ -508,6 +591,10 @@
       <StatusEffect tags="poison,uranium" type="OnUse" target="Character" bleeding="0.1" duration="60.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -530,6 +617,10 @@
         <Conditional HuskInfectionState="lt 0.01"/>
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -550,6 +641,10 @@
       <StatusEffect tags="poison,morbusine" type="OnUse" target="Character" Health="-5.0" duration="60.0">
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 
@@ -573,6 +668,7 @@
       <StatusEffect type="OnBroken" target="This" Condition="-100.0">
         <sound file="Content/Items/Reactor/explosion.ogg" range="3000"/>
         <Explosion range="600.0" structuredamage="400" damage="300" stun="5" force="20.0" severlimbsprobability="0.4" decal="explosion" decalsize="0.5"/>
+        <Remove/>
       </StatusEffect>
       
       <StatusEffect type="OnUse" target="This" Condition="-100.0">
@@ -602,6 +698,10 @@
       <StatusEffect tags="poison,sufforin" type="OnUse" target="Character" Oxygen="-5.0" OxygenAvailable="-10000.0" Health="-0.5" duration="60.0" delay="20.0"> 
         <RequiredItem name="Medical Syringe" type="Container"/>
       </StatusEffect>
+      <!-- Remove the item when fully used -->
+      <StatusEffect type="OnBroken" target="This">
+        <Remove/>
+      </StatusEffect>
     </Throwable>
   </Item>
 </Items>

Barotrauma/BarotraumaShared/Content/Items/Weapons/depthcharge.xml

@@ -5,8 +5,7 @@
     category="Machine"
     focusonselected="true"
     offsetonselected="700"
-    linkable="true"
+    linkable="true">
-    >
 
     <Sprite texture ="railgunetc.png" depth="0.01" sourcerect="64,180,47,76"/>
 
@@ -23,8 +22,7 @@
   <Item
     name="Depth Charge Loader"
     category="Machine"
-    linkable="true"
+    linkable="true">
-    >
 
     <Sprite texture="railgunetc.png" depth="0.8" sourcerect="0,160,61,96"/>
 
@@ -53,7 +51,9 @@
 
     <Projectile launchimpulse="5.0">
       <Attack damage="1" structuredamage="1" damagetype="Blunt"/>
-      <StatusEffect type="OnImpact" target="Contained" Condition="-100.0"/>
+      <StatusEffect type="OnImpact" target="Contained">
+        <Use/>
+      </StatusEffect>
     </Projectile>
 
     <ItemContainer hideitems="true" capacity="1" canbeselected = "true">
@@ -85,7 +85,9 @@
         <sound file="Content/Items/Weapons/bigexplosion.ogg" range="10000"/>
         <Explosion range="1000.0" structuredamage="1000" damage="1000" stun="10" force="50.0"/>
       </StatusEffect>
-      <StatusEffect type="OnImpact" target="Contained" Condition="-100.0"/>
+      <StatusEffect type="OnImpact" target="Contained">
+        <Use/>
+      </StatusEffect>
     </Projectile>
 
     <ItemContainer hideitems="true" capacity="1" canbeselected = "true">

Barotrauma/BarotraumaShared/Content/Items/Weapons/explosives.xml

@@ -11,9 +11,10 @@
     <Body width="24" height="8"/>
 
     <Throwable slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
-      <StatusEffect type="OnBroken" target="This" Condition="-100.0">
+      <StatusEffect type="OnUse" target="This" Condition="-100.0">
         <sound file="Content/Items/Reactor/explosion.ogg" range="3000"/>
         <Explosion range="500.0" structuredamage="250" damage="200" stun="5" force="20.0" severlimbsprobability="0.5" decal="explosion" decalsize="0.5"/>
+        <Remove/>
       </StatusEffect>
     </Throwable>
   </Item>
@@ -30,9 +31,10 @@
 
     <Throwable slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
       <StatusEffect type="OnFire" target="This" Condition="-50.0"/>
-      <StatusEffect type="OnBroken" target="This" Condition="-100.0">
+      <StatusEffect type="OnUse" target="This" Condition="-100.0">
         <sound file="Content/Items/Reactor/explosion.ogg" range="3000"/>
         <Explosion range="600.0" structuredamage="150" damage="300" stun="5" force="20.0" severlimbsprobability="0.6" decal="explosion" decalsize="0.5"/>
+        <Remove/>
       </StatusEffect>
     </Throwable>
   </Item>
@@ -50,9 +52,15 @@
     <Throwable slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
       <StatusEffect type="Always" target="This" Condition="-0.35"/>
       <StatusEffect type="OnFire" target="This" Condition="-50.0"/>
-      <StatusEffect type="OnBroken" target="This" Condition="-100.0">
+      <StatusEffect type="OnBroken" target="This">
         <sound file="Content/Items/Reactor/explosion.ogg" range="3000"/>
         <Explosion range="600.0" structuredamage="150" damage="300" stun="5" force="20.0" severlimbsprobability="0.6" decal="explosion" decalsize="0.5"/>
+        <Remove/>
+      </StatusEffect>
+      <StatusEffect type="OnUse" target="This">
+        <sound file="Content/Items/Reactor/explosion.ogg" range="3000"/>
+        <Explosion range="600.0" structuredamage="150" damage="300" stun="5" force="20.0" severlimbsprobability="0.6" decal="explosion" decalsize="0.5"/>
+        <Remove/>
       </StatusEffect>
     </Throwable>
   </Item>
@@ -70,10 +78,11 @@
 
     <Throwable slots="Any,RightHand,LeftHand" throwforce="4.0" aimpos="35,-10">
       <StatusEffect type="OnFire" target="This" Condition="-50.0"/>
-      <StatusEffect type="OnBroken" target="This" Condition="-100.0">
+      <StatusEffect type="OnUse" target="This" Condition="-100.0">
         <sound file="Content/Items/Reactor/explosion.ogg" range="2000"/>
         <Explosion range="500.0" structuredamage="50" damage="300" stun="5" force="20.0" severlimbsprobability="0.6"/>
         <Fire size="500"/>
+        <Remove/>
       </StatusEffect>
     </Throwable>
   </Item>
@@ -101,7 +110,7 @@
     <ConnectionPanel selectkey="Action" canbeselected = "true" msg="Rewire [Screwdriver]">
       <requireditem name="Screwdriver,Wire" type="Equipped"/>
       <input name="activate">
-        <StatusEffect type="OnUse" target="Contained" Condition="-100.0">
+        <StatusEffect type="OnUse" target="Contained">
           <Use/>
         </StatusEffect>
       </input>

Barotrauma/BarotraumaShared/Content/Items/Weapons/railgun.xml

@@ -132,7 +132,9 @@
         <ParticleEmitter particle="bubbles" anglemin="0" anglemax="360" particleamount="10" velocitymin="0" velocitymax="50" scalemin="2" scalemax="5"/>
       </StatusEffect>
 
-      <StatusEffect type="OnImpact" target="Contained" Condition="-100.0"/>
+      <StatusEffect type="OnImpact" target="Contained">
+        <Use/>
+      </StatusEffect>
     </Projectile>
 
     <ItemContainer hideitems="true" capacity="1" canbeselected = "true">

Barotrauma/BarotraumaShared/Source/StatusEffects/StatusEffect.cs

@@ -58,6 +58,8 @@ namespace Barotrauma
 
         private readonly int useItemCount;
 
+        private readonly bool removeItem;
+
         public readonly ActionType type;
 
         private Explosion explosion;
@@ -211,6 +213,10 @@ namespace Barotrauma
                     case "useitem":
                         useItemCount++;
                         break;
+                    case "remove":
+                    case "removeitem":
+                        removeItem = true;
+                        break;
                     case "requireditem":
                     case "requireditems":
                         RelatedItem newRequiredItem = RelatedItem.Load(subElement);
@@ -368,6 +374,14 @@ namespace Barotrauma
                 }
             }
 
+            if (removeItem)
+            {
+                foreach (Item item in targets.FindAll(t => t is Item).Cast<Item>())
+                {
+                    Entity.Spawner.AddToRemoveQueue(item);
+                }
+            }
+
             if (duration > 0.0f)
             {
                 DurationListElement element = new DurationListElement();