Logic color unpacking (#10794)

* `unpackcolor`

* Add description

core/src/mindustry/logic/LExecutor.java

@@ -1216,8 +1216,7 @@ public class LExecutor{
             this.a = a;
         }
 
-        public PackColorI(){
-        }
+        public PackColorI(){}
 
         @Override
         public void run(LExecutor exec){
@@ -1225,6 +1224,29 @@ public class LExecutor{
         }
     }
 
+    public static class UnpackColorI implements LInstruction{
+        public LVar r, g, b, a, value;
+
+        public UnpackColorI(LVar r, LVar g, LVar b, LVar a, LVar value){
+            this.r = r;
+            this.g = g;
+            this.b = b;
+            this.a = a;
+            this.value = value;
+        }
+
+        public UnpackColorI(){}
+
+        @Override
+        public void run(LExecutor exec){
+            var color = Tmp.c1.fromDouble(value.num());
+            r.setnum(color.r);
+            g.setnum(color.g);
+            b.setnum(color.b);
+            a.setnum(color.a);
+        }
+    }
+
     public static class CutsceneI implements LInstruction{
         public CutsceneAction action = CutsceneAction.stop;
         public LVar p1, p2, p3, p4;