Gradual component conversion

core/src/mindustry/entities/units/WeaponMount.java

@@ -0,0 +1,20 @@
+package mindustry.entities.units;
+
+import mindustry.type.*;
+
+public class WeaponMount{
+    /** weapon associated with this mount */
+    public final Weapon weapon;
+    /** reload in frames; 0 means ready to fire */
+    public float reload;
+    /** rotation relative to the unit this mount is on */
+    public float rotation;
+    /** aiming position in world coordinates */
+    public float aimX, aimY;
+    /** side that's being shot - only valid for mirrors */
+    public boolean side;
+
+    public WeaponMount(Weapon weapon){
+        this.weapon = weapon;
+    }
+}