Add custom block place limit.

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

@@ -1550,6 +1550,13 @@ public final class Settings {
      */
     public final Setting<Boolean> elytraChatSpam = new Setting<>(false);
 
+    /**
+     * A custom height limit to contain block placements under
+     * <p>
+     * Prevents Baritone from placing blocks if some servers have different build limits
+     */
+    public final Setting<Integer> blockPlaceHeightLimit = new Setting<>(Integer.MAX_VALUE);
+
     /**
      * A map of lowercase setting field names to their respective setting
      */

src/main/java/baritone/pathing/movement/CalculationContext.java

@@ -79,6 +79,7 @@ public class CalculationContext {
     public double backtrackCostFavoringCoefficient;
     public double jumpPenalty;
     public final double walkOnWaterOnePenalty;
+    public final int blockPlaceHeightLimit;
     public final BetterWorldBorder worldBorder;
 
     public final PrecomputedData precomputedData;
@@ -125,6 +126,7 @@ public CalculationContext(IBaritone baritone, boolean forUseOnAnotherThread) {
         this.backtrackCostFavoringCoefficient = Baritone.settings().backtrackCostFavoringCoefficient.value;
         this.jumpPenalty = Baritone.settings().jumpPenalty.value;
         this.walkOnWaterOnePenalty = Baritone.settings().walkOnWaterOnePenalty.value;
+        this.blockPlaceHeightLimit = Baritone.settings().blockPlaceHeightLimit.value;
         // why cache these things here, why not let the movements just get directly from settings?
         // because if some movements are calculated one way and others are calculated another way,
         // then you get a wildly inconsistent path that isn't optimal for either scenario.
@@ -167,6 +169,9 @@ public double costOfPlacingAt(int x, int y, int z, BlockState current) {
         if (!Baritone.settings().allowPlaceInFluidsFlow.value && !current.getFluidState().isEmpty() && !current.getFluidState().isSource()) {
             return COST_INF;
         }
+        if (y > blockPlaceHeightLimit) {
+            return COST_INF;
+        }
         return placeBlockCost;
     }