Additional clean up

src/api/java/baritone/api/schematic/FillSchematic.java

@@ -38,6 +38,9 @@ public class FillSchematic extends AbstractSchematic {
 
     @Override
     public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
+        // TODO: is this even necessary???
+        // Builder will already handle logic that requires breaking blocks before replacing them, and non-api Fill Schematic
+        // is used for clear area and doesn't have any issues.
         if (bom.matches(current)) {
             return current;
         } else if (current.getBlock() != Blocks.AIR) {

src/main/java/baritone/utils/schematic/FillSchematic.java

@@ -17,22 +17,17 @@
 
 package baritone.utils.schematic;
 
-import baritone.api.schematic.ISchematic;
+import baritone.api.schematic.AbstractSchematic;
 import net.minecraft.block.state.IBlockState;
 
 import java.util.List;
 
-public class FillSchematic implements ISchematic {
+public class FillSchematic extends AbstractSchematic {
 
-    private final int widthX;
-    private final int heightY;
-    private final int lengthZ;
     private final IBlockState state;
 
     public FillSchematic(int widthX, int heightY, int lengthZ, IBlockState state) {
-        this.widthX = widthX;
-        this.heightY = heightY;
-        this.lengthZ = lengthZ;
+        super(widthX, heightY, lengthZ);
         this.state = state;
     }
 
@@ -40,19 +35,4 @@ public class FillSchematic implements ISchematic {
     public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
         return state;
     }
-
-    @Override
-    public int widthX() {
-        return widthX;
-    }
-
-    @Override
-    public int heightY() {
-        return heightY;
-    }
-
-    @Override
-    public int lengthZ() {
-        return lengthZ;
-    }
 }

src/main/java/baritone/utils/schematic/MapArtSchematic.java

@@ -17,23 +17,20 @@
 
 package baritone.utils.schematic;
 
-import baritone.api.schematic.AbstractSchematic;
 import baritone.api.schematic.ISchematic;
+import baritone.api.schematic.MaskSchematic;
 import net.minecraft.block.BlockAir;
 import net.minecraft.block.state.IBlockState;
 
-import java.util.List;
 import java.util.OptionalInt;
 import java.util.function.Predicate;
 
-public class MapArtSchematic extends AbstractSchematic {
+public class MapArtSchematic extends MaskSchematic {
 
-    private final ISchematic child;
     private final int[][] heightMap;
 
     public MapArtSchematic(ISchematic schematic) {
-        super(schematic.widthX(), schematic.heightY(), schematic.lengthZ());
-        this.child = schematic;
+        super(schematic);
 
         heightMap = new int[schematic.widthX()][schematic.lengthZ()];
 
@@ -63,28 +60,7 @@ public class MapArtSchematic extends AbstractSchematic {
     }
 
     @Override
-    public boolean inSchematic(int x, int y, int z, IBlockState currentState) {
-        // in map art, we only care about coordinates in or above the art
-        return this.child.inSchematic(x, y, z, currentState) && y >= heightMap[x][z];
-    }
-
-    @Override
-    public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
-        return this.child.desiredState(x, y, z, current, approxPlaceable);
-    }
-
-    @Override
-    public int widthX() {
-        return this.child.widthX();
-    }
-
-    @Override
-    public int heightY() {
-        return this.child.heightY();
-    }
-
-    @Override
-    public int lengthZ() {
-        return this.child.lengthZ();
+    protected boolean partOfMask(int x, int y, int z, IBlockState currentState) {
+        return y >= heightMap[x][z];
     }
 }