add(Settings): added settings to control block placement in fluid sources and flowing fluids

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

@@ -77,6 +77,16 @@ public final class Settings {
      */
     public final Setting<Boolean> allowPlace = new Setting<>(true);
 
+    /**
+     * Allow Baritone to place blocks in fluid source blocks
+     */
+    public final Setting<Boolean> allowPlaceInFluidsSource = new Setting<>(true);
+
+    /**
+     * Allow Baritone to place blocks in flowing fluid
+     */
+    public final Setting<Boolean> allowPlaceInFluidsFlow = new Setting<>(true);
+
     /**
      * Allow Baritone to move items in your inventory to your hotbar
      */

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

@@ -161,6 +161,12 @@ public class CalculationContext {
         if (!worldBorder.canPlaceAt(x, z)) {
             return COST_INF;
         }
+        if (current.getFluidState().isSource() && !Baritone.settings().allowPlaceInFluidsSource.value) {
+            return COST_INF;
+        }
+        if (!current.getFluidState().isEmpty() && !current.getFluidState().isSource() && !Baritone.settings().allowPlaceInFluidsFlow.value) {
+            return COST_INF;
+        }
         return placeBlockCost;
     }