add a setting to scan a larger radius every tick

src/api/java/baritone/api/Settings.java

@@ -757,6 +757,12 @@ public final class Settings {
      */
     public final Setting<Boolean> schematicOrientationZ = new Setting<>(false);
 
+    /**
+     * Distance to scan every tick for updates. Expanding this beyond player reach distance (i.e. setting it to 6 or above)
+     * is only necessary in very large schematics where rescanning the whole thing is costly.
+     */
+    public final Setting<Integer> builderTickScanRadius = new Setting<>(5);
+
     /**
      * While mining, should it also consider dropped items of the correct type as a pathing destination (as well as ore blocks)?
      */

src/main/java/baritone/process/BuilderProcess.java

@@ -486,9 +486,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     private void recalcNearby(BuilderCalculationContext bcc) {
         BetterBlockPos center = ctx.playerFeet();
-        for (int dx = -5; dx <= 5; dx++) {
-            for (int dy = -5; dy <= 5; dy++) {
-                for (int dz = -5; dz <= 5; dz++) {
+        int radius = Baritone.settings().builderTickScanRadius.value;
+        for (int dx = -radius; dx <= radius; dx++) {
+            for (int dy = -radius; dy <= radius; dy++) {
+                for (int dz = -radius; dz <= radius; dz++) {
                     int x = center.x + dx;
                     int y = center.y + dy;
                     int z = center.z + dz;