Update Block.java

core/src/mindustry/world/Block.java

@@ -193,6 +193,8 @@ public class Block extends UnlockableContent{
     public BuildVisibility buildVisibility = BuildVisibility.hidden;
     /** Multiplier for speed of building this block. */
     public float buildCostMultiplier = 1f;
+    /** Build completion at which deconstruction finishes. */
+    public float deconstructThreshold = 0f;
     /** Multiplier for cost of research in tech tree. */
     public float researchCostMultiplier = 1;
     /** Whether this block has instant transfer.*/