Add blocksInside and allCorners methods to AABBHelper

Author: robotgryphon

src/main/java/dev/compactmods/spatial/aabb/AABBHelper.java

@@ -1,10 +1,30 @@
 package dev.compactmods.spatial.aabb;
 
+import net.minecraft.core.BlockPos;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
 
+import java.util.stream.Stream;
+
 public abstract class AABBHelper {
 
+    public static Stream<BlockPos> blocksInside(AABB bounds) {
+        return BlockPos.betweenClosedStream(bounds.contract(1, 1, 1));
+    }
+
+    public static Stream<BlockPos> allCorners(AABB bounds) {
+        Stream.Builder<BlockPos> stream = Stream.builder();
+        stream.add(BlockPos.containing(bounds.maxX - 1, bounds.maxY - 1, bounds.maxZ - 1));
+        stream.add(BlockPos.containing(bounds.minX, bounds.maxY - 1, bounds.maxZ - 1));
+        stream.add(BlockPos.containing(bounds.maxX - 1, bounds.minY, bounds.maxZ - 1));
+        stream.add(BlockPos.containing(bounds.minX, bounds.minY, bounds.maxZ - 1));
+        stream.add(BlockPos.containing(bounds.maxX - 1, bounds.maxY - 1, bounds.minZ));
+        stream.add(BlockPos.containing(bounds.minX, bounds.maxY - 1, bounds.minZ));
+        stream.add(BlockPos.containing(bounds.maxX - 1, bounds.minY, bounds.minZ));
+        stream.add(BlockPos.containing(bounds.minX, bounds.minY, bounds.minZ));
+        return stream.build();
+    }
+
     public static Vec3 minCorner(AABB aabb) {
         return new Vec3(aabb.minX, aabb.minY, aabb.minZ);
     }