Fixed #2265

core/src/mindustry/entities/bullet/ContinuousLaserBulletType.java

@@ -28,6 +28,7 @@ public class ContinuousLaserBulletType extends BulletType{
         pierce = true;
         hittable = false;
         hitColor = colors[2];
+        collidesTiles = false;
         incendAmount = 1;
         incendSpread = 5;
         incendChance = 0.4f;

core/src/mindustry/ui/dialogs/ResearchDialog.java

@@ -189,7 +189,7 @@ public class ResearchDialog extends BaseDialog{
     }
 
     boolean locked(TechNode node){
-        return node.content.locked();
+        return node.content.locked() || Structs.contains(node.requirements, i -> i.item.locked());
     }
 
     class LayoutNode extends TreeNode<LayoutNode>{