GetLink instruction

core/src/mindustry/logic/LExecutor.java

@@ -29,6 +29,7 @@ public class LExecutor{
 
     public LongSeq graphicsBuffer = new LongSeq();
     public StringBuilder textBuffer = new StringBuilder();
+    public Building[] links = {};
 
     public boolean initialized(){
         return instructions != null && vars != null && instructions.length > 0;
@@ -161,6 +162,27 @@ public class LExecutor{
         }
     }
 
+    public static class GetLinkI implements LInstruction{
+        public int output, index;
+
+        public GetLinkI(int output, int index){
+            this.index = index;
+            this.output = output;
+        }
+
+        public GetLinkI(){
+        }
+
+        @Override
+        public void run(LExecutor exec){
+            int address = exec.numi(index);
+
+            if(address >= 0 && address < exec.links.length){
+                exec.setobj(output, exec.links[address]);
+            }
+        }
+    }
+
     public static class ReadI implements LInstruction{
         public int target, position, output;
 

core/src/mindustry/logic/LStatements.java

@@ -56,6 +56,30 @@ public class LStatements{
         }
     }
 
+    @RegisterStatement("read")
+    public static class GetLinkStatement extends LStatement{
+        public String output = "result", address = "0";
+
+        @Override
+        public void build(Table table){
+            field(table, output, str -> output = str);
+
+            table.add(" = link# ");
+
+            field(table, address, str -> address = str);
+        }
+
+        @Override
+        public LCategory category(){
+            return LCategory.io;
+        }
+
+        @Override
+        public LInstruction build(LAssembler builder){
+            return new GetLinkI(builder.var(output), builder.var(address));
+        }
+    }
+
     @RegisterStatement("write")
     public static class WriteStatement extends LStatement{
         public String input = "result", target = "cell1", address = "0";
@@ -120,7 +144,6 @@ public class LStatements{
         }
     }
 
-
     @RegisterStatement("draw")
     public static class DrawStatement extends LStatement{
         public GraphicsType type = GraphicsType.clear;