Reorganized Imports/Packages

src/main/java/org/betterx/bclib/sdf/PosInfo.java

@@ -0,0 +1,104 @@
+package org.betterx.bclib.sdf;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.state.BlockState;
+
+import java.util.Map;
+
+public class PosInfo implements Comparable<PosInfo> {
+    private static final BlockState AIR = Blocks.AIR.defaultBlockState();
+    private final Map<BlockPos, PosInfo> blocks;
+    private final Map<BlockPos, PosInfo> add;
+    private final BlockPos pos;
+    private BlockState state;
+
+    public static PosInfo create(Map<BlockPos, PosInfo> blocks, Map<BlockPos, PosInfo> add, BlockPos pos) {
+        return new PosInfo(blocks, add, pos);
+    }
+
+    private PosInfo(Map<BlockPos, PosInfo> blocks, Map<BlockPos, PosInfo> add, BlockPos pos) {
+        this.blocks = blocks;
+        this.add = add;
+        this.pos = pos;
+        blocks.put(pos, this);
+    }
+
+    public BlockState getState() {
+        return state;
+    }
+
+    public BlockState getState(BlockPos pos) {
+        PosInfo info = blocks.get(pos);
+        if (info == null) {
+            info = add.get(pos);
+            return info == null ? AIR : info.getState();
+        }
+        return info.getState();
+    }
+
+    public void setState(BlockState state) {
+        this.state = state;
+    }
+
+    public void setState(BlockPos pos, BlockState state) {
+        PosInfo info = blocks.get(pos);
+        if (info != null) {
+            info.setState(state);
+        }
+    }
+
+    public BlockState getState(Direction dir) {
+        PosInfo info = blocks.get(pos.relative(dir));
+        if (info == null) {
+            info = add.get(pos.relative(dir));
+            return info == null ? AIR : info.getState();
+        }
+        return info.getState();
+    }
+
+    public BlockState getState(Direction dir, int distance) {
+        PosInfo info = blocks.get(pos.relative(dir, distance));
+        if (info == null) {
+            return AIR;
+        }
+        return info.getState();
+    }
+
+    public BlockState getStateUp() {
+        return getState(Direction.UP);
+    }
+
+    public BlockState getStateDown() {
+        return getState(Direction.DOWN);
+    }
+
+    @Override
+    public int hashCode() {
+        return pos.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof PosInfo)) {
+            return false;
+        }
+        return pos.equals(((PosInfo) obj).pos);
+    }
+
+    @Override
+    public int compareTo(PosInfo info) {
+        return this.pos.getY() - info.pos.getY();
+    }
+
+    public BlockPos getPos() {
+        return pos;
+    }
+
+    public void setBlockPos(BlockPos pos, BlockState state) {
+        PosInfo info = new PosInfo(blocks, add, pos);
+        info.state = state;
+        add.put(pos, info);
+    }
+}