Implement extended world heights into core module

Bukkit/src/main/java/com/plotsquared/bukkit/generator/BlockStatePopulator.java

@@ -65,7 +65,10 @@ final class BlockStatePopulator extends BlockPopulator {
             return;
         }
         final ChunkWrapper wrap = new ChunkWrapper(area.getWorldName(), source.getX(), source.getZ());
-        final ScopedQueueCoordinator chunk = this.queue.getForChunk(wrap.x, wrap.z);
+        final ScopedQueueCoordinator chunk = this.queue.getForChunk(wrap.x, wrap.z,
+                com.plotsquared.bukkit.util.BukkitWorld.getMinWorldHeight(world),
+                com.plotsquared.bukkit.util.BukkitWorld.getMaxWorldHeight(world)
+        );
         if (this.plotGenerator.populateChunk(chunk, area)) {
             this.queue.enqueue();
         }

Bukkit/src/main/java/com/plotsquared/bukkit/util/fawe/FaweRegionManager.java

@@ -110,6 +110,11 @@ public class FaweRegionManager extends BukkitRegionManager {
         delegate.setBiome(region, extendBiome, biome, world, whenDone);
     }
 
+    @Override
+    public void setBiome(CuboidRegion region, int extendBiome, BiomeType biome, PlotArea area, Runnable whenDone) {
+        delegate.setBiome(region, extendBiome, biome, area.getWorldName(), whenDone);
+    }
+
     @Override
     public boolean copyRegion(
             final @NonNull Location pos1,

Core/src/main/java/com/plotsquared/core/PlotSquared.java

@@ -1020,8 +1020,8 @@ public class PlotSquared {
             // save configuration
 
             final List<String> validArguments = Arrays
-                    .asList("s=", "size=", "g=", "gap=", "h=", "height=", "f=", "floor=", "m=", "main=",
+                    .asList("s=", "size=", "g=", "gap=", "h=", "height=", "minh=", "minheight=", "maxh=", "maxheight=",
-                            "w=", "wall=", "b=", "border="
+                            "f=", "floor=", "m=", "main=", "w=", "wall=", "b=", "border="
                     );
 
             // Calculate the number of expected arguments
@@ -1100,6 +1100,18 @@ public class PlotSquared {
                                     ConfigurationUtil.INTEGER.parseString(value).shortValue()
                             );
                         }
+                        case "minh", "minheight" -> {
+                            this.worldConfiguration.set(
+                                    base + "world.min_gen_height",
+                                    ConfigurationUtil.INTEGER.parseString(value).shortValue()
+                            );
+                        }
+                        case "maxh", "maxheight" -> {
+                            this.worldConfiguration.set(
+                                    base + "world.max_gen_height",
+                                    ConfigurationUtil.INTEGER.parseString(value).shortValue()
+                            );
+                        }
                         case "f", "floor" -> this.worldConfiguration.set(
                                 base + "plot.floor",
                                 ConfigurationUtil.BLOCK_BUCKET.parseString(value).toString()

Core/src/main/java/com/plotsquared/core/command/Area.java

@@ -75,6 +75,7 @@ import com.sk89q.worldedit.function.operation.Operations;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
+import com.sk89q.worldedit.world.World;
 import net.kyori.adventure.text.minimessage.Template;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
@@ -191,11 +192,12 @@ public class Area extends SubCommand {
                 final BlockVector3 playerSelectionMin = playerSelectedRegion.getMinimumPoint();
                 final BlockVector3 playerSelectionMax = playerSelectedRegion.getMaximumPoint();
                 // Create a new selection that spans the entire vertical range of the world
+                World world = playerSelectedRegion.getWorld();
                 final CuboidRegion selectedRegion =
                         new CuboidRegion(
                                 playerSelectedRegion.getWorld(),
-                                BlockVector3.at(playerSelectionMin.getX(), 0, playerSelectionMin.getZ()),
+                                BlockVector3.at(playerSelectionMin.getX(), world.getMinY(), playerSelectionMin.getZ()),
-                                BlockVector3.at(playerSelectionMax.getX(), 255, playerSelectionMax.getZ())
+                                BlockVector3.at(playerSelectionMax.getX(), world.getMaxY(), playerSelectionMax.getZ())
                         );
                 // There's only one plot in the area...
                 final PlotId plotId = PlotId.of(1, 1);
@@ -278,9 +280,9 @@ public class Area extends SubCommand {
                     if (offsetZ != 0) {
                         this.worldConfiguration.set(path + ".road.offset.z", offsetZ);
                     }
-                    final String world = this.setupUtils.setupWorld(singleBuilder);
+                    final String worldName = this.setupUtils.setupWorld(singleBuilder);
-                    if (this.worldUtil.isWorld(world)) {
+                    if (this.worldUtil.isWorld(worldName)) {
-                        PlotSquared.get().loadWorld(world, null);
+                        PlotSquared.get().loadWorld(worldName, null);
                         player.sendMessage(TranslatableCaption.of("single.single_area_created"));
                     } else {
                         player.sendMessage(

Core/src/main/java/com/plotsquared/core/command/Save.java

@@ -104,8 +104,8 @@ public class Save extends SubCommand {
                     TaskManager.runTaskAsync(() -> {
                         String time = (System.currentTimeMillis() / 1000) + "";
                         Location[] corners = plot.getCorners();
-                        corners[0] = corners[0].withY(0);
+                        corners[0] = corners[0].withY(plot.getArea().getMinGenHeight());
-                        corners[1] = corners[1].withY(255);
+                        corners[1] = corners[1].withY(plot.getArea().getMaxGenHeight());
                         int size = (corners[1].getX() - corners[0].getX()) + 1;
                         PlotId id = plot.getId();
                         String world1 = plot.getArea().toString().replaceAll(";", "-")

Core/src/main/java/com/plotsquared/core/generator/AugmentedUtils.java

@@ -132,7 +132,7 @@ public class AugmentedUtils {
                         int worldZ = z + blockZ;
                         boolean can = manager.getPlotId(worldX, 0, worldZ) == null;
                         if (can) {
-                            for (int y = 1; y < 128; y++) {
+                            for (int y = area.getMinBuildHeight(); y <= area.getMaxGenHeight(); y++) {
                                 queue.setBlock(worldX, y, worldZ, air);
                             }
                             canPlace[x][z] = true;
@@ -149,7 +149,7 @@ public class AugmentedUtils {
                 secondaryMask = primaryMask;
                 for (int x = relativeBottomX; x <= relativeTopX; x++) {
                     for (int z = relativeBottomZ; z <= relativeTopZ; z++) {
-                        for (int y = 1; y < 128; y++) {
+                        for (int y = area.getMinBuildHeight(); y <= area.getMaxGenHeight(); y++) {
                             queue.setBlock(blockX + x, y, blockZ + z, air);
                         }
                     }
@@ -166,8 +166,8 @@ public class AugmentedUtils {
             ScopedQueueCoordinator scoped =
                     new ScopedQueueCoordinator(
                             secondaryMask,
-                            Location.at(world, blockX, 0, blockZ),
+                            Location.at(world, blockX, area.getMinGenHeight(), blockZ),
-                            Location.at(world, blockX + 15, 255, blockZ + 15)
+                            Location.at(world, blockX + 15, area.getMaxGenHeight(), blockZ + 15)
                     );
             generator.generateChunk(scoped, area);
             generator.populateChunk(scoped, area);

Core/src/main/java/com/plotsquared/core/generator/ClassicPlotManager.java

@@ -37,7 +37,6 @@ import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.PlotAreaTerrainType;
 import com.plotsquared.core.plot.PlotId;
 import com.plotsquared.core.queue.QueueCoordinator;
-import com.plotsquared.core.util.BlockUtil;
 import com.plotsquared.core.util.MathMan;
 import com.plotsquared.core.util.RegionManager;
 import com.plotsquared.core.util.task.TaskManager;
@@ -147,7 +146,15 @@ public class ClassicPlotManager extends SquarePlotManager {
     ) {
         Plot plot = classicPlotWorld.getPlotAbs(plotId);
         if (plot != null && plot.isBasePlot()) {
-            return this.regionManager.setCuboids(classicPlotWorld, plot.getRegions(), blocks, 1, getWorldHeight(), actor, queue);
+            return this.regionManager.setCuboids(
+                    classicPlotWorld,
+                    plot.getRegions(),
+                    blocks,
+                    1,
+                    classicPlotWorld.getMaxGenHeight(),
+                    actor,
+                    queue
+            );
         }
         return false;
     }
@@ -175,7 +182,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                             plot.getRegions(),
                             blocks,
                             classicPlotWorld.PLOT_HEIGHT + 1,
-                            getWorldHeight(),
+                            classicPlotWorld.getMaxGenHeight(),
                             actor,
                             queue
                     );
@@ -281,7 +288,7 @@ public class ClassicPlotManager extends SquarePlotManager {
             }
         }
 
-        int maxY = classicPlotWorld.getPlotManager().getWorldHeight();
+        int maxY = classicPlotWorld.getMaxGenHeight();
         if (!plot.isMerged(Direction.NORTH)) {
             int z = bottom.getZ();
             for (int x = bottom.getX(); x <= top.getX(); x++) {
@@ -501,7 +508,7 @@ public class ClassicPlotManager extends SquarePlotManager {
             enqueue = true;
         }
 
-        int maxY = getWorldHeight();
+        int maxY = classicPlotWorld.getMaxGenHeight();
         queue.setCuboid(
                 Location.at(
                         classicPlotWorld.getWorldName(),
@@ -513,24 +520,24 @@ public class ClassicPlotManager extends SquarePlotManager {
         );
         if (classicPlotWorld.PLOT_BEDROCK) {
             queue.setCuboid(
-                    Location.at(classicPlotWorld.getWorldName(), sx, 0, sz + 1),
+                    Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.getMinGenHeight(), sz + 1),
-                    Location.at(classicPlotWorld.getWorldName(), ex, 0, ez - 1),
+                    Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getMinGenHeight(), ez - 1),
                     BlockTypes.BEDROCK.getDefaultState()
             );
             queue.setCuboid(
-                    Location.at(classicPlotWorld.getWorldName(), sx, 1, sz + 1),
+                    Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.getMinGenHeight() + 1, sz + 1),
                     Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.WALL_HEIGHT, ez - 1),
                     classicPlotWorld.WALL_FILLING.toPattern()
             );
         } else {
             queue.setCuboid(
-                    Location.at(classicPlotWorld.getWorldName(), sx, 0, sz + 1),
+                    Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.getMinGenHeight(), sz + 1),
                     Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.WALL_HEIGHT, ez - 1),
                     classicPlotWorld.WALL_FILLING.toPattern()
             );
         }
         queue.setCuboid(
-                Location.at(classicPlotWorld.getWorldName(), sx, 1, sz + 1),
+                Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.getMinGenHeight(), sz + 1),
                 Location.at(classicPlotWorld.getWorldName(), sx, classicPlotWorld.WALL_HEIGHT, ez - 1),
                 classicPlotWorld.WALL_FILLING.toPattern()
         );
@@ -543,7 +550,7 @@ public class ClassicPlotManager extends SquarePlotManager {
             );
         }
         queue.setCuboid(
-                Location.at(classicPlotWorld.getWorldName(), ex, 1, sz + 1),
+                Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getMinGenHeight() + 1, sz + 1),
                 Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.WALL_HEIGHT, ez - 1),
                 classicPlotWorld.WALL_FILLING.toPattern()
         );
@@ -555,7 +562,7 @@ public class ClassicPlotManager extends SquarePlotManager {
             );
         }
         queue.setCuboid(
-                Location.at(classicPlotWorld.getWorldName(), sx + 1, 1, sz + 1),
+                Location.at(classicPlotWorld.getWorldName(), sx + 1, classicPlotWorld.getMinGenHeight() + 1, sz + 1),
                 Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.ROAD_HEIGHT, ez - 1),
                 classicPlotWorld.ROAD_BLOCK.toPattern()
         );
@@ -584,14 +591,16 @@ public class ClassicPlotManager extends SquarePlotManager {
                         classicPlotWorld.schematicStartHeight() + 1,
                         sz
                 ),
-                Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getPlotManager().getWorldHeight(), ez),
+                Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getMaxGenHeight(), ez),
                 BlockTypes.AIR.getDefaultState()
         );
-        queue.setCuboid(
+        if (classicPlotWorld.PLOT_BEDROCK) {
-                Location.at(classicPlotWorld.getWorldName(), sx + 1, 0, sz),
+            queue.setCuboid(
-                Location.at(classicPlotWorld.getWorldName(), ex - 1, 0, ez),
+                    Location.at(classicPlotWorld.getWorldName(), sx + 1, classicPlotWorld.getMinGenHeight(), sz),
-                BlockUtil.get((short) 7, (byte) 0)
+                    Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getMinGenHeight(), ez),
-        );
+                    BlockTypes.BEDROCK.getDefaultState()
+            );
+        }
         queue.setCuboid(
                 Location.at(classicPlotWorld.getWorldName(), sx + 1, 1, sz),
                 Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.WALL_HEIGHT, sz),
@@ -642,12 +651,16 @@ public class ClassicPlotManager extends SquarePlotManager {
 
         queue.setCuboid(
                 Location.at(classicPlotWorld.getWorldName(), sx + 1, classicPlotWorld.ROAD_HEIGHT + 1, sz + 1),
-                Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getPlotManager().getWorldHeight(), ez - 1),
+                Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getMaxGenHeight(), ez - 1),
                 BlockTypes.AIR.getDefaultState()
         );
-        queue.setCuboid(Location.at(classicPlotWorld.getWorldName(), sx + 1, 0, sz + 1),
+        if (classicPlotWorld.PLOT_BEDROCK) {
-                Location.at(classicPlotWorld.getWorldName(), ex - 1, 0, ez - 1), BlockUtil.get((short) 7, (byte) 0)
+            queue.setCuboid(
-        );
+                    Location.at(classicPlotWorld.getWorldName(), sx + 1, classicPlotWorld.getMinGenHeight(), sz + 1),
+                    Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.getMinGenHeight(), ez - 1),
+                    BlockTypes.BEDROCK.getDefaultState()
+            );
+        }
         queue.setCuboid(
                 Location.at(classicPlotWorld.getWorldName(), sx + 1, 1, sz + 1),
                 Location.at(classicPlotWorld.getWorldName(), ex - 1, classicPlotWorld.ROAD_HEIGHT, ez - 1),
@@ -679,7 +692,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                                 classicPlotWorld.schematicStartHeight() + 1,
                                 sz
                         ),
-                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getPlotManager().getWorldHeight(), ez),
+                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getMaxGenHeight(), ez),
                         BlockTypes.AIR.getDefaultState()
                 );
         queue.setCuboid(
@@ -719,7 +732,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                                 classicPlotWorld.schematicStartHeight() + 1,
                                 sz
                         ),
-                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getPlotManager().getWorldHeight(), ez),
+                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getMaxGenHeight(), ez),
                         BlockTypes.AIR.getDefaultState()
                 );
         queue.setCuboid(
@@ -758,7 +771,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                                 classicPlotWorld.schematicStartHeight() + 1,
                                 sz
                         ),
-                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getPlotManager().getWorldHeight(), ez),
+                        Location.at(classicPlotWorld.getWorldName(), ex, classicPlotWorld.getMaxGenHeight(), ez),
                         BlockTypes.AIR.getDefaultState()
                 );
         queue.setCuboid(

Core/src/main/java/com/plotsquared/core/generator/ClassicPlotWorld.java

@@ -127,16 +127,16 @@ public abstract class ClassicPlotWorld extends SquarePlotWorld {
     public void loadConfiguration(ConfigurationSection config) {
         super.loadConfiguration(config);
         this.PLOT_BEDROCK = config.getBoolean("plot.bedrock");
-        this.PLOT_HEIGHT = Math.min(255, config.getInt("plot.height"));
+        this.PLOT_HEIGHT = Math.min(getMaxGenHeight(), config.getInt("plot.height"));
         this.MAIN_BLOCK = new BlockBucket(config.getString("plot.filling"));
         this.TOP_BLOCK = new BlockBucket(config.getString("plot.floor"));
         this.WALL_BLOCK = new BlockBucket(config.getString("wall.block"));
-        this.ROAD_HEIGHT = Math.min(255, config.getInt("road.height"));
+        this.ROAD_HEIGHT = Math.min(getMaxGenHeight(), config.getInt("road.height"));
         this.ROAD_BLOCK = new BlockBucket(config.getString("road.block"));
         this.WALL_FILLING = new BlockBucket(config.getString("wall.filling"));
-        this.WALL_HEIGHT = Math.min(254, config.getInt("wall.height"));
-        this.CLAIMED_WALL_BLOCK = new BlockBucket(config.getString("wall.block_claimed"));
         this.PLACE_TOP_BLOCK = config.getBoolean("wall.place_top_block");
+        this.WALL_HEIGHT = Math.min(getMaxGenHeight() - (PLACE_TOP_BLOCK ? 1 : 0), config.getInt("wall.height"));
+        this.CLAIMED_WALL_BLOCK = new BlockBucket(config.getString("wall.block_claimed"));
     }
 
     int schematicStartHeight() {

Core/src/main/java/com/plotsquared/core/generator/HybridGen.java

@@ -91,7 +91,7 @@ public class HybridGen extends IndependentPlotGenerator {
         if (hybridPlotWorld.PLOT_BEDROCK) {
             for (short x = 0; x < 16; x++) {
                 for (short z = 0; z < 16; z++) {
-                    result.setBlock(x, 0, z, BlockTypes.BEDROCK.getDefaultState());
+                    result.setBlock(x, hybridPlotWorld.getMinGenHeight(), z, BlockTypes.BEDROCK.getDefaultState());
                 }
             }
         }
@@ -156,7 +156,7 @@ public class HybridGen extends IndependentPlotGenerator {
             }
         }
         // generation
-        int startY = hybridPlotWorld.PLOT_BEDROCK ? 1 : 0;
+        int startY = hybridPlotWorld.getMinGenHeight() + (hybridPlotWorld.PLOT_BEDROCK ? 1: 0);
         for (short x = 0; x < 16; x++) {
             if (insideRoadX[x]) {
                 for (short z = 0; z < 16; z++) {

Core/src/main/java/com/plotsquared/core/generator/HybridPlotManager.java

@@ -46,7 +46,6 @@ import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockTypes;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -112,8 +111,18 @@ public class HybridPlotManager extends ClassicPlotManager {
         PlotId id2 = PlotId.of(id.getX() + 1, id.getY());
         Location bot = getPlotBottomLocAbs(id2);
         Location top = getPlotTopLocAbs(id);
-        Location pos1 = Location.at(hybridPlotWorld.getWorldName(), top.getX() + 1, 0, bot.getZ() - 1);
+        Location pos1 = Location.at(
-        Location pos2 = Location.at(hybridPlotWorld.getWorldName(), bot.getX(), Math.min(getWorldHeight(), 255), top.getZ() + 1);
+                hybridPlotWorld.getWorldName(),
+                top.getX() + 1,
+                hybridPlotWorld.getMinGenHeight(),
+                bot.getZ() - 1
+        );
+        Location pos2 = Location.at(
+                hybridPlotWorld.getWorldName(),
+                bot.getX(),
+                hybridPlotWorld.getMaxGenHeight(),
+                top.getZ() + 1
+        );
         this.resetBiome(hybridPlotWorld, pos1, pos2);
         if (!hybridPlotWorld.ROAD_SCHEMATIC_ENABLED) {
             return true;
@@ -139,7 +148,7 @@ public class HybridPlotManager extends ClassicPlotManager {
                         (pos1.getX() + pos2.getX()) / 2,
                         (pos1.getZ() + pos2.getZ()) / 2
                 ), biome)) {
-            WorldUtil.setBiome(hybridPlotWorld.getWorldName(), pos1.getX(), pos1.getZ(), pos2.getX(), pos2.getZ(), biome);
+            WorldUtil.setBiome(hybridPlotWorld, pos1.getX(), pos1.getZ(), pos2.getX(), pos2.getZ(), biome);
         }
     }
 
@@ -169,9 +178,10 @@ public class HybridPlotManager extends ClassicPlotManager {
                 }
                 BaseBlock[] blocks = hybridPlotWorld.G_SCH.get(MathMan.pair(absX, absZ));
                 if (blocks != null) {
-                    for (int y = 0; y < blocks.length; y++) {
+                    for (int yIndex = 0; yIndex < blocks.length; yIndex++) {
-                        if (blocks[y] != null) {
+                        int y = yIndex - hybridPlotWorld.getMinGenHeight();
-                            queue.setBlock(x, minY + y, z, blocks[y]);
+                        if (blocks[yIndex] != null) {
+                            queue.setBlock(x, minY + y, z, blocks[yIndex]);
                         } else {
                             // This is necessary, otherwise any blocks not specified in the schematic will remain after a clear
                             queue.setBlock(x, minY + y, z, airBlock);
@@ -195,8 +205,8 @@ public class HybridPlotManager extends ClassicPlotManager {
         PlotId id2 = PlotId.of(id.getX(), id.getY() + 1);
         Location bot = getPlotBottomLocAbs(id2);
         Location top = getPlotTopLocAbs(id);
-        Location pos1 = Location.at(hybridPlotWorld.getWorldName(), bot.getX() - 1, 0, top.getZ() + 1);
+        Location pos1 = Location.at(hybridPlotWorld.getWorldName(), bot.getX() - 1, hybridPlotWorld.getMinGenHeight(), top.getZ() + 1);
-        Location pos2 = Location.at(hybridPlotWorld.getWorldName(), top.getX() + 1, Math.min(getWorldHeight(), 255), bot.getZ());
+        Location pos2 = Location.at(hybridPlotWorld.getWorldName(), top.getX() + 1, hybridPlotWorld.getMaxGenHeight(), bot.getZ());
         this.resetBiome(hybridPlotWorld, pos1, pos2);
         if (!hybridPlotWorld.ROAD_SCHEMATIC_ENABLED) {
             return true;
@@ -215,8 +225,8 @@ public class HybridPlotManager extends ClassicPlotManager {
         super.createRoadSouthEast(plot, queue);
         PlotId id = plot.getId();
         PlotId id2 = PlotId.of(id.getX() + 1, id.getY() + 1);
-        Location pos1 = getPlotTopLocAbs(id).add(1, 0, 1).withY(0);
+        Location pos1 = getPlotTopLocAbs(id).add(1, 0, 1);
-        Location pos2 = getPlotBottomLocAbs(id2).withY(Math.min(getWorldHeight(), 255));
+        Location pos2 = getPlotBottomLocAbs(id2);
         boolean enqueue = false;
         if (queue == null) {
             enqueue = true;
@@ -271,11 +281,23 @@ public class HybridPlotManager extends ClassicPlotManager {
             queue.setCompleteTask(whenDone);
         }
         if (!canRegen) {
-            queue.setCuboid(pos1.withY(0), pos2.withY(0), bedrock);
+            queue.setCuboid(
+                    pos1.withY(hybridPlotWorld.getMinGenHeight()),
+                    pos2.withY(hybridPlotWorld.getMinGenHeight()),
+                    bedrock
+            );
             // Each component has a different layer
-            queue.setCuboid(pos1.withY(1), pos2.withY(hybridPlotWorld.PLOT_HEIGHT - 1), filling);
+            queue.setCuboid(
+                    pos1.withY(hybridPlotWorld.getMinGenHeight() + 1),
+                    pos2.withY(hybridPlotWorld.PLOT_HEIGHT - 1),
+                    filling
+            );
             queue.setCuboid(pos1.withY(hybridPlotWorld.PLOT_HEIGHT), pos2.withY(hybridPlotWorld.PLOT_HEIGHT), plotfloor);
-            queue.setCuboid(pos1.withY(hybridPlotWorld.PLOT_HEIGHT + 1), pos2.withY(getWorldHeight()), BlockTypes.AIR.getDefaultState());
+            queue.setCuboid(
+                    pos1.withY(hybridPlotWorld.PLOT_HEIGHT + 1),
+                    pos2.withY(hybridPlotWorld.getMaxGenHeight()),
+                    BlockTypes.AIR.getDefaultState()
+            );
             queue.setBiomeCuboid(pos1, pos2, biome);
         } else {
             queue.setRegenRegion(new CuboidRegion(pos1.getBlockVector3(), pos2.getBlockVector3()));

Core/src/main/java/com/plotsquared/core/generator/HybridPlotWorld.java

@@ -171,9 +171,9 @@ public class HybridPlotWorld extends ClassicPlotWorld {
     public void loadConfiguration(ConfigurationSection config) {
         super.loadConfiguration(config);
         if ((this.ROAD_WIDTH & 1) == 0) {
-            this.PATH_WIDTH_LOWER = (short) (Math.floor(this.ROAD_WIDTH / 2) - 1);
+            this.PATH_WIDTH_LOWER = (short) (Math.floor(this.ROAD_WIDTH / 2f) - 1);
         } else {
-            this.PATH_WIDTH_LOWER = (short) Math.floor(this.ROAD_WIDTH / 2);
+            this.PATH_WIDTH_LOWER = (short) Math.floor(this.ROAD_WIDTH / 2f);
         }
         if (this.ROAD_WIDTH == 0) {
             this.PATH_WIDTH_UPPER = (short) (this.SIZE + 1);
@@ -251,31 +251,33 @@ public class HybridPlotWorld extends ClassicPlotWorld {
         Schematic schematic2 = this.schematicHandler.getSchematic(schematic2File);
         Schematic schematic3 = this.schematicHandler.getSchematic(schematic3File);
         int shift = this.ROAD_WIDTH / 2;
-        int oddshift = (this.ROAD_WIDTH & 1) == 0 ? 0 : 1;
+        int oddshift = (this.ROAD_WIDTH & 1);
 
         SCHEM_Y = schematicStartHeight();
         int plotY = PLOT_HEIGHT - SCHEM_Y;
         int minRoadWall = Settings.Schematics.USE_WALL_IN_ROAD_SCHEM_HEIGHT ? Math.min(ROAD_HEIGHT, WALL_HEIGHT) : ROAD_HEIGHT;
         int roadY = minRoadWall - SCHEM_Y;
 
+        int worldHeight = getMaxGenHeight() - getMinGenHeight() + 1;
+
         if (schematic3 != null) {
-            if (schematic3.getClipboard().getDimensions().getY() == 256) {
+            if (schematic3.getClipboard().getDimensions().getY() == worldHeight) {
-                SCHEM_Y = plotY = 0;
+                SCHEM_Y = plotY = getMinGenHeight();
             } else if (!Settings.Schematics.PASTE_ON_TOP) {
                 SCHEM_Y = plotY = getMinBuildHeight();
             }
         }
 
         if (schematic1 != null) {
-            if (schematic1.getClipboard().getDimensions().getY() == 256) {
+            if (schematic1.getClipboard().getDimensions().getY() == worldHeight) {
-                SCHEM_Y = roadY = 0;
+                SCHEM_Y = roadY = getMinGenHeight();
-                if (schematic3 != null && schematic3.getClipboard().getDimensions().getY() != 256
+                if (schematic3 != null && schematic3.getClipboard().getDimensions().getY() != worldHeight
                         && !Settings.Schematics.PASTE_ON_TOP) {
                     plotY = PLOT_HEIGHT;
                 }
             } else if (!Settings.Schematics.PASTE_ROAD_ON_TOP) {
                 SCHEM_Y = roadY = getMinBuildHeight();
-                if (schematic3 != null && schematic3.getClipboard().getDimensions().getY() != 256
+                if (schematic3 != null && schematic3.getClipboard().getDimensions().getY() != worldHeight
                         && !Settings.Schematics.PASTE_ON_TOP) {
                     plotY = PLOT_HEIGHT;
                 }

Core/src/main/java/com/plotsquared/core/generator/HybridUtils.java

@@ -145,6 +145,8 @@ public class HybridUtils {
             final int ctz = tz >> 4;
             final int width = tx - bx + 1;
             final int length = tz - bz + 1;
+            final int height = area.getMaxGenHeight() - area.getMinGenHeight();
+            final int minHeight = area.getMinGenHeight();
 
             final PlotArea area = this.plotAreaManager.getPlotArea(world, null);
 
@@ -157,7 +159,7 @@ public class HybridUtils {
 
             final BlockState airBlock = BlockTypes.AIR.getDefaultState();
             final BlockState[][][] oldBlocks = chunk.getBlocks();
-            final BlockState[][][] newBlocks = new BlockState[256][width][length];
+            final BlockState[][][] newBlocks = new BlockState[height][width][length];
             for (final BlockState[][] newBlock : newBlocks) {
                 for (final BlockState[] blockStates : newBlock) {
                     Arrays.fill(blockStates, airBlock);
@@ -211,11 +213,12 @@ public class HybridUtils {
                     int xx = chunkBlockX + x;
                     for (int z = minZ; z <= maxZ; z++) {
                         int zz = chunkBlockZ + z;
-                        for (int y = 0; y < 256; y++) {
+                        for (int yIndex = 0; yIndex < minHeight; yIndex++) {
+                            int y = yIndex - minHeight;
                             BlockState block = queue.getBlock(xx, y, zz);
                             int xr = xb + x;
                             int zr = zb + z;
-                            newBlocks[y][xr][zr] = block;
+                            newBlocks[yIndex][xr][zr] = block;
                         }
                     }
                 }
@@ -232,10 +235,10 @@ public class HybridUtils {
                 for (int x = 0; x < width; x++) {
                     for (int z = 0; z < length; z++) {
                         Set<BlockType> types = new HashSet<>();
-                        for (int y = 0; y < 256; y++) {
+                        for (int yIndex = 0; yIndex < height; yIndex++) {
-                            BlockState old = oldBlocks[y][x][z];
+                            BlockState old = oldBlocks[yIndex][x][z];
                             try {
-                                BlockState now = newBlocks[y][x][z];
+                                BlockState now = newBlocks[yIndex][x][z];
                                 if (!old.equals(now)) {
                                     changes[i]++;
                                 }
@@ -244,23 +247,23 @@ public class HybridUtils {
                                 } else {
                                     // check vertices
                                     // modifications_adjacent
-                                    if (x > 0 && z > 0 && y > 0 && x < width - 1 && z < length - 1 && y < 255) {
+                                    if (x > 0 && z > 0 && yIndex > 0 && x < width - 1 && z < length - 1 && yIndex < (height - 1)) {
-                                        if (newBlocks[y - 1][x][z].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex - 1][x][z].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
-                                        if (newBlocks[y][x - 1][z].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex][x - 1][z].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
-                                        if (newBlocks[y][x][z - 1].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex][x][z - 1].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
-                                        if (newBlocks[y + 1][x][z].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex + 1][x][z].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
-                                        if (newBlocks[y][x + 1][z].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex][x + 1][z].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
-                                        if (newBlocks[y][x][z + 1].getBlockType().getMaterial().isAir()) {
+                                        if (newBlocks[yIndex][x][z + 1].getBlockType().getMaterial().isAir()) {
                                             faces[i]++;
                                         }
                                     }
@@ -514,7 +517,6 @@ public class HybridUtils {
         Location bot = plot.getBottomAbs().subtract(1, 0, 1);
         Location top = plot.getTopAbs();
         final HybridPlotWorld plotworld = (HybridPlotWorld) plot.getArea();
-        PlotManager plotManager = plotworld.getPlotManager();
         // Do not use plotworld#schematicStartHeight() here as we want to restore the pre 6.1.4 way of doing it if
         //  USE_WALL_IN_ROAD_SCHEM_HEIGHT is false
         int schemY = Settings.Schematics.USE_WALL_IN_ROAD_SCHEM_HEIGHT ?
@@ -524,10 +526,10 @@ public class HybridUtils {
         int sy = Settings.Schematics.PASTE_ROAD_ON_TOP ? schemY : plot.getArea().getMinBuildHeight();
         int ex = bot.getX();
         int ez = top.getZ();
-        int ey = get_ey(plotManager, queue, sx, ex, sz, ez, sy);
+        int ey = get_ey(plotworld, queue, sx, ex, sz, ez, sy);
         int bz = sz - plotworld.ROAD_WIDTH;
         int tz = sz - 1;
-        int ty = get_ey(plotManager, queue, sx, ex, bz, tz, sy);
+        int ty = get_ey(plotworld, queue, sx, ex, bz, tz, sy);
 
         final Set<CuboidRegion> sideRoad = Collections.singleton(RegionUtil.createRegion(sx, ex, sy, ey, sz, ez));
         final Set<CuboidRegion> intersection = Collections.singleton(RegionUtil.createRegion(sx, ex, sy, ty, bz, tz));
@@ -553,11 +555,11 @@ public class HybridUtils {
         return true;
     }
 
-    public int get_ey(final PlotManager pm, QueueCoordinator queue, int sx, int ex, int sz, int ez, int sy) {
+    private int get_ey(final HybridPlotWorld hpw, QueueCoordinator queue, int sx, int ex, int sz, int ez, int sy) {
         int ey = sy;
         for (int x = sx; x <= ex; x++) {
             for (int z = sz; z <= ez; z++) {
-                for (int y = sy; y <= pm.getWorldHeight(); y++) {
+                for (int y = sy; y <= hpw.getMaxGenHeight(); y++) {
                     if (y > ey) {
                         BlockState block = queue.getBlock(x, y, z);
                         if (!block.getBlockType().getMaterial().isAir()) {
@@ -638,29 +640,29 @@ public class HybridUtils {
                         }
                         if (condition) {
                             BaseBlock[] blocks = plotWorld.G_SCH.get(MathMan.pair(absX, absZ));
-                            int minY = Settings.Schematics.PASTE_ROAD_ON_TOP ? plotWorld.SCHEM_Y : 1;
+                            int minY = Settings.Schematics.PASTE_ROAD_ON_TOP ? plotWorld.SCHEM_Y : area.getMinBuildHeight();
-                            int maxY = Math.max(extend, blocks.length);
+                            int maxDy = Math.max(extend, blocks.length);
-                            for (int y = 0; y < maxY; y++) {
+                            for (int dy = 0; dy < maxDy; dy++) {
-                                if (y > blocks.length - 1) {
+                                if (dy > blocks.length - 1) {
                                     queue.setBlock(
                                             finalX + X + plotWorld.ROAD_OFFSET_X,
-                                            minY + y,
+                                            minY + dy,
                                             finalZ + Z + plotWorld.ROAD_OFFSET_Z,
                                             WEExtent.AIRBASE
                                     );
                                 } else {
-                                    BaseBlock block = blocks[y];
+                                    BaseBlock block = blocks[dy];
                                     if (block != null) {
                                         queue.setBlock(
                                                 finalX + X + plotWorld.ROAD_OFFSET_X,
-                                                minY + y,
+                                                minY + dy,
                                                 finalZ + Z + plotWorld.ROAD_OFFSET_Z,
                                                 block
                                         );
                                     } else {
                                         queue.setBlock(
                                                 finalX + X + plotWorld.ROAD_OFFSET_X,
-                                                minY + y,
+                                                minY + dy,
                                                 finalZ + Z + plotWorld.ROAD_OFFSET_Z,
                                                 WEExtent.AIRBASE
                                         );

Core/src/main/java/com/plotsquared/core/generator/SquarePlotManager.java

@@ -96,7 +96,7 @@ public abstract class SquarePlotManager extends GridPlotManager {
                 .floor(squarePlotWorld.ROAD_WIDTH / 2) - 1;
         int z = (squarePlotWorld.ROAD_OFFSET_Z + (pz * (squarePlotWorld.ROAD_WIDTH + squarePlotWorld.PLOT_WIDTH))) - (int) Math
                 .floor(squarePlotWorld.ROAD_WIDTH / 2) - 1;
-        return Location.at(squarePlotWorld.getWorldName(), x, Math.min(getWorldHeight(), 255), z);
+        return Location.at(squarePlotWorld.getWorldName(), x, squarePlotWorld.getMaxGenHeight(), z);
     }
 
     @Override
@@ -260,7 +260,7 @@ public abstract class SquarePlotManager extends GridPlotManager {
                 - (int) Math.floor(squarePlotWorld.ROAD_WIDTH / 2);
         int z = (squarePlotWorld.ROAD_OFFSET_Z + (pz * (squarePlotWorld.ROAD_WIDTH + squarePlotWorld.PLOT_WIDTH))) - squarePlotWorld.PLOT_WIDTH
                 - (int) Math.floor(squarePlotWorld.ROAD_WIDTH / 2);
-        return Location.at(squarePlotWorld.getWorldName(), x, squarePlotWorld.getMinBuildHeight(), z);
+        return Location.at(squarePlotWorld.getWorldName(), x, squarePlotWorld.getMinGenHeight(), z);
     }
 
 }

Core/src/main/java/com/plotsquared/core/plot/Plot.java

@@ -122,7 +122,7 @@ import static com.plotsquared.core.util.entity.EntityCategories.CAP_VEHICLE;
  */
 public class Plot {
 
-
+    @Deprecated(forRemoval = true, since = "TODO")
     public static final int MAX_HEIGHT = 256;
 
     private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + Plot.class.getSimpleName());
@@ -1371,7 +1371,7 @@ public class Plot {
         int z = largest.getMinimumPoint().getZ() - 1;
         PlotManager manager = getManager();
         int y = isLoaded() ? this.worldUtil.getHighestBlockSynchronous(getWorldName(), x, z) : 62;
-        if (area.allowSigns() && (y <= 0 || y >= 255)) {
+        if (area.allowSigns() && (y <= area.getMinGenHeight() || y >= area.getMaxGenHeight())) {
             y = Math.max(y, manager.getSignLoc(this).getY() - 1);
         }
         return Location.at(getWorldName(), x, y + 1, z);
@@ -1387,7 +1387,7 @@ public class Plot {
         if (isLoaded()) {
             this.worldUtil.getHighestBlock(getWorldName(), x, z, y -> {
                 int height = y;
-                if (area.allowSigns() && (y <= 0 || y >= 255)) {
+                if (area.allowSigns() && (y <= area.getMinGenHeight() || y >= area.getMaxGenHeight())) {
                     height = Math.max(y, manager.getSignLoc(this).getY() - 1);
                 }
                 result.accept(Location.at(getWorldName(), x, height + 1, z));
@@ -1619,8 +1619,9 @@ public class Plot {
     public double getVolume() {
         double count = 0;
         for (CuboidRegion region : getRegions()) {
-            count += (region.getMaximumPoint().getX() - (double) region.getMinimumPoint().getX() + 1) * (
+            count += (region.getMaximumPoint().getX() - (double) region.getMinimumPoint().getX() + 1) *
-                    region.getMaximumPoint().getZ() - (double) region.getMinimumPoint().getZ() + 1) * MAX_HEIGHT;
+                    (region.getMaximumPoint().getZ() - (double) region.getMinimumPoint().getZ() + 1) *
+                    (area.getMaxGenHeight() - area.getMinGenHeight() + 1);
         }
         return count;
     }

Core/src/main/java/com/plotsquared/core/plot/PlotArea.java

@@ -34,8 +34,6 @@ import com.plotsquared.core.configuration.ConfigurationNode;
 import com.plotsquared.core.configuration.ConfigurationSection;
 import com.plotsquared.core.configuration.ConfigurationUtil;
 import com.plotsquared.core.configuration.Settings;
-import com.plotsquared.core.configuration.caption.CaptionUtility;
-import com.plotsquared.core.configuration.caption.LocaleHolder;
 import com.plotsquared.core.configuration.caption.TranslatableCaption;
 import com.plotsquared.core.configuration.file.YamlConfiguration;
 import com.plotsquared.core.generator.GridPlotWorld;
@@ -144,8 +142,10 @@ public abstract class PlotArea {
     private boolean homeAllowNonmember = false;
     private BlockLoc nonmemberHome;
     private BlockLoc defaultHome;
-    private int maxBuildHeight = 256;
+    private int maxBuildHeight = 255;
     private int minBuildHeight = 1;
+    private int maxGenHeight = 255;
+    private int minGenHeight = 0;
     private GameMode gameMode = GameModes.CREATIVE;
     private Map<String, PlotExpression> prices = new HashMap<>();
     private List<String> schematics = new ArrayList<>();
@@ -361,6 +361,8 @@ public abstract class PlotArea {
         this.worldBorder = config.getBoolean("world.border");
         this.maxBuildHeight = config.getInt("world.max_height");
         this.minBuildHeight = config.getInt("world.min_height");
+        this.minGenHeight = config.getInt("world.min_gen_height");
+        this.maxGenHeight = config.getInt("world.max_gen_height");
 
         switch (config.getString("world.gamemode").toLowerCase()) {
             case "creative", "c", "1" -> this.gameMode = GameModes.CREATIVE;
@@ -484,6 +486,8 @@ public abstract class PlotArea {
         options.put("home.nonmembers", position);
         options.put("world.max_height", this.getMaxBuildHeight());
         options.put("world.min_height", this.getMinBuildHeight());
+        options.put("world.min_gen_height", this.getMinGenHeight());
+        options.put("world.max_gen_height", this.getMaxGenHeight());
         options.put("world.gamemode", this.getGameMode().getName().toLowerCase());
         options.put("road.flags.default", null);
 
@@ -1078,8 +1082,8 @@ public abstract class PlotArea {
                     BlockVector2 pos1 = BlockVector2.at(value.getP1().getX(), value.getP1().getY());
                     BlockVector2 pos2 = BlockVector2.at(value.getP2().getX(), value.getP2().getY());
                     return new CuboidRegion(
-                            pos1.toBlockVector3(),
+                            pos1.toBlockVector3(getMinGenHeight()),
-                            pos2.toBlockVector3(Plot.MAX_HEIGHT - 1)
+                            pos2.toBlockVector3(getMaxGenHeight())
                     );
                 }
             };
@@ -1361,14 +1365,38 @@ public abstract class PlotArea {
         this.defaultHome = defaultHome;
     }
 
+    /**
+     * Get the maximum height players may build in. Inclusive.
+     */
     public int getMaxBuildHeight() {
         return this.maxBuildHeight;
     }
 
+    /**
+     * Get the minimum height players may build in. Inclusive.
+     */
     public int getMinBuildHeight() {
         return this.minBuildHeight;
     }
 
+    /**
+     * Get the min height from which P2 will generate blocks. Inclusive.
+     *
+     * @since TODO
+     */
+    public int getMinGenHeight() {
+        return this.minGenHeight;
+    }
+
+    /**
+     * Get the max height to which P2 will generate blocks. Inclusive.
+     *
+     * @since TODO
+     */
+    public int getMaxGenHeight() {
+        return this.maxGenHeight;
+    }
+
     public GameMode getGameMode() {
         return this.gameMode;
     }

Core/src/main/java/com/plotsquared/core/plot/PlotCluster.java

@@ -165,7 +165,7 @@ public class PlotCluster {
         Consumer<Location> locationConsumer = toReturn ->
                 PlotSquared.platform().worldUtil().getHighestBlock(this.area.getWorldName(), toReturn.getX(), toReturn.getZ(),
                         highest -> {
-                            if (highest == 0) {
+                            if (highest <= area.getMinBuildHeight()) {
                                 highest = 63;
                             }
                             if (highest > toReturn.getY()) {
@@ -175,12 +175,12 @@ public class PlotCluster {
                             }
                         }
                 );
-        if (home.getY() == 0) {
+        if (home.getY() == Integer.MIN_VALUE) {
             // default pos
             Plot center = getCenterPlot();
             center.getHome(location -> {
                 Location toReturn = location;
-                if (toReturn.getY() == 0) {
+                if (toReturn.getY() <= area.getMinBuildHeight()) {
                     PlotManager manager = this.area.getPlotManager();
                     Location locationSign = manager.getSignLoc(center);
                     toReturn = toReturn.withY(locationSign.getY());

Core/src/main/java/com/plotsquared/core/plot/PlotModificationManager.java

@@ -69,8 +69,6 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.stream.Collectors;
 
-import static com.plotsquared.core.plot.Plot.MAX_HEIGHT;
-
 /**
  * Manager that handles {@link Plot} modifications
  */
@@ -311,7 +309,7 @@ public final class PlotModificationManager {
                     return;
                 }
                 CuboidRegion region = regions.poll();
-                PlotSquared.platform().regionManager().setBiome(region, extendBiome, biome, plot.getWorldName(), this);
+                PlotSquared.platform().regionManager().setBiome(region, extendBiome, biome, plot.getArea(), this);
             }
         };
         run.run();
@@ -541,8 +539,8 @@ public final class PlotModificationManager {
             Plot other = this.plot.getRelative(Direction.SOUTH);
             Location bot = other.getBottomAbs();
             Location top = this.plot.getTopAbs();
-            Location pos1 = Location.at(this.plot.getWorldName(), bot.getX(), 0, top.getZ());
+            Location pos1 = Location.at(this.plot.getWorldName(), bot.getX(), plot.getArea().getMinGenHeight(), top.getZ());
-            Location pos2 = Location.at(this.plot.getWorldName(), top.getX(), MAX_HEIGHT, bot.getZ());
+            Location pos2 = Location.at(this.plot.getWorldName(), top.getX(), plot.getArea().getMaxGenHeight() + 1, bot.getZ());
             PlotSquared.platform().regionManager().regenerateRegion(pos1, pos2, true, null);
         } else if (this.plot.getArea().getTerrain() != PlotAreaTerrainType.ALL) { // no road generated => no road to remove
             this.plot.getManager().removeRoadSouth(this.plot, queue);
@@ -929,8 +927,8 @@ public final class PlotModificationManager {
             Plot other = this.plot.getRelative(Direction.EAST);
             Location bot = other.getBottomAbs();
             Location top = this.plot.getTopAbs();
-            Location pos1 = Location.at(this.plot.getWorldName(), top.getX(), 0, bot.getZ());
+            Location pos1 = Location.at(this.plot.getWorldName(), top.getX(), plot.getArea().getMinGenHeight(), bot.getZ());
-            Location pos2 = Location.at(this.plot.getWorldName(), bot.getX(), MAX_HEIGHT, top.getZ());
+            Location pos2 = Location.at(this.plot.getWorldName(), bot.getX(), plot.getArea().getMaxGenHeight() + 1, top.getZ());
             PlotSquared.platform().regionManager().regenerateRegion(pos1, pos2, true, null);
         } else if (this.plot.getArea().getTerrain() != PlotAreaTerrainType.ALL) { // no road generated => no road to remove
             this.plot.getArea().getPlotManager().removeRoadEast(this.plot, queue);
@@ -948,8 +946,8 @@ public final class PlotModificationManager {
                 .getArea()
                 .getTerrain() == PlotAreaTerrainType.ROAD) {
             Plot other = this.plot.getRelative(1, 1);
-            Location pos1 = this.plot.getTopAbs().add(1, 0, 1).withY(0);
+            Location pos1 = this.plot.getTopAbs().add(1, 0, 1);
-            Location pos2 = other.getBottomAbs().subtract(1, 0, 1).withY(MAX_HEIGHT);
+            Location pos2 = other.getBottomAbs().subtract(1, 0, 1);
             PlotSquared.platform().regionManager().regenerateRegion(pos1, pos2, true, null);
         } else if (this.plot.getArea().getTerrain() != PlotAreaTerrainType.ALL) { // no road generated => no road to remove
             this.plot.getArea().getPlotManager().removeRoadSouthEast(this.plot, queue);

Core/src/main/java/com/plotsquared/core/queue/BasicQueueCoordinator.java

@@ -101,7 +101,7 @@ public abstract class BasicQueueCoordinator extends QueueCoordinator {
 
     @Override
     public boolean setBlock(int x, int y, int z, @NonNull BaseBlock id) {
-        if ((y > 255) || (y < 0)) {
+        if ((y > world.getMaxY()) || (y < world.getMinY())) {
             return false;
         }
         LocalChunk chunk = getChunk(x >> 4, z >> 4);
@@ -121,7 +121,7 @@ public abstract class BasicQueueCoordinator extends QueueCoordinator {
     @Override
     public boolean setBiome(int x, int z, @NonNull BiomeType biomeType) {
         LocalChunk chunk = getChunk(x >> 4, z >> 4);
-        for (int y = 0; y < 256; y++) {
+        for (int y = world.getMinY(); y <= world.getMaxY(); y++) {
             chunk.setBiome(x & 15, y, z & 15, biomeType);
         }
         settingBiomes = true;

Core/src/main/java/com/plotsquared/core/queue/ChunkQueueCoordinator.java

@@ -54,12 +54,12 @@ public class ChunkQueueCoordinator extends ScopedQueueCoordinator {
             @NonNull BlockVector3 top,
             boolean biomes
     ) {
-        super(null, Location.at("", 0, 0, 0), Location.at("", 15, 255, 15));
+        super(null, Location.at("", 0, weWorld.getMinY(), 0), Location.at("", 15, weWorld.getMaxY(), 15));
         this.weWorld = weWorld;
         this.width = top.getX() - bot.getX() + 1;
         this.length = top.getZ() - bot.getZ() + 1;
-        this.result = new BlockState[256][width][length];
+        this.result = new BlockState[weWorld.getMaxY() - weWorld.getMinY() + 1][width][length];
-        this.biomeResult = biomes ? new BiomeType[256][width][length] : null;
+        this.biomeResult = biomes ? new BiomeType[weWorld.getMaxY() - weWorld.getMinY() + 1][width][length] : null;
         this.bot = bot;
         this.top = top;
     }
@@ -71,7 +71,7 @@ public class ChunkQueueCoordinator extends ScopedQueueCoordinator {
     @Override
     public boolean setBiome(int x, int z, @NonNull BiomeType biomeType) {
         if (this.biomeResult != null) {
-            for (int y = 0; y < 256; y++) {
+            for (int y = weWorld.getMinY(); y <= weWorld.getMaxY(); y++) {
                 this.storeCacheBiome(x, y, z, biomeType);
             }
             return true;
@@ -101,9 +101,10 @@ public class ChunkQueueCoordinator extends ScopedQueueCoordinator {
     }
 
     private void storeCache(final int x, final int y, final int z, final @NonNull BlockState id) {
-        BlockState[][] resultY = result[y];
+        int yIndex = y - weWorld.getMinY();
+        BlockState[][] resultY = result[yIndex];
         if (resultY == null) {
-            result[y] = resultY = new BlockState[length][];
+            result[yIndex] = resultY = new BlockState[length][];
         }
         BlockState[] resultYZ = resultY[z];
         if (resultYZ == null) {
@@ -113,9 +114,10 @@ public class ChunkQueueCoordinator extends ScopedQueueCoordinator {
     }
 
     private void storeCacheBiome(final int x, final int y, final int z, final @NonNull BiomeType id) {
-        BiomeType[][] resultY = biomeResult[y];
+        int yIndex = y - weWorld.getMinY();
+        BiomeType[][] resultY = biomeResult[yIndex];
         if (resultY == null) {
-            biomeResult[y] = resultY = new BiomeType[length][];
+            biomeResult[yIndex] = resultY = new BiomeType[length][];
         }
         BiomeType[] resultYZ = resultY[z];
         if (resultYZ == null) {
@@ -132,7 +134,7 @@ public class ChunkQueueCoordinator extends ScopedQueueCoordinator {
 
     @Override
     public @Nullable BlockState getBlock(int x, int y, int z) {
-        BlockState[][] blocksY = result[y];
+        BlockState[][] blocksY = result[y - weWorld.getMinY()];
         if (blocksY != null) {
             BlockState[] blocksYZ = blocksY[z];
             if (blocksYZ != null) {

Core/src/main/java/com/plotsquared/core/queue/LocationOffsetDelegateQueueCoordinator.java

@@ -87,11 +87,14 @@ public class LocationOffsetDelegateQueueCoordinator extends DelegateQueueCoordin
 
     @Override
     public boolean setBiome(int x, int z, @NonNull BiomeType biome) {
-        boolean result = true;
+        try {
-        for (int y = 0; y < 256; y++) {
+            if (canPlace[x - blockX][z - blockZ]) {
-            result &= this.setBiome(x, y, z, biome);
+                return super.setBiome(x, z, biome);
+            }
+        } catch (final Exception e) {
+            throw e;
         }
-        return result;
+        return false;
     }
 
     @Override

Core/src/main/java/com/plotsquared/core/queue/QueueCoordinator.java

@@ -75,12 +75,25 @@ public abstract class QueueCoordinator {
      * @param x chunk x coordinate
      * @param z chunk z coordinate
      * @return a new {@link ScopedQueueCoordinator}
+     * @deprecated Use {@link ScopedQueueCoordinator#getForChunk(int, int, int, int)}
      */
+    @Deprecated(forRemoval = true, since = "TODO")
     public ScopedQueueCoordinator getForChunk(int x, int z) {
+        return getForChunk(x, z, 0, 255);
+    }
+
+    /**
+     * Get a {@link ScopedQueueCoordinator} limited to the chunk at the specific chunk Coordinates
+     *
+     * @param x chunk x coordinate
+     * @param z chunk z coordinate
+     * @return a new {@link ScopedQueueCoordinator}
+     */
+    public ScopedQueueCoordinator getForChunk(int x, int z, int minY, int maxY) {
         int bx = x << 4;
         int bz = z << 4;
-        return new ScopedQueueCoordinator(this, Location.at(getWorld().getName(), bx, 0, bz),
+        return new ScopedQueueCoordinator(this, Location.at(getWorld().getName(), bx, minY, bz),
-                Location.at(getWorld().getName(), bx + 15, 255, bz + 255)
+                Location.at(getWorld().getName(), bx + 15, maxY, bz + 15)
         );
     }
 
@@ -404,7 +417,7 @@ public abstract class QueueCoordinator {
      */
     public void setCuboid(@NonNull Location pos1, @NonNull Location pos2, @NonNull BlockState block) {
         int yMin = Math.min(pos1.getY(), pos2.getY());
-        int yMax = Math.min(255, Math.max(pos1.getY(), pos2.getY()));
+        int yMax = Math.max(pos1.getY(), pos2.getY());
         int xMin = Math.min(pos1.getX(), pos2.getX());
         int xMax = Math.max(pos1.getX(), pos2.getX());
         int zMin = Math.min(pos1.getZ(), pos2.getZ());
@@ -427,7 +440,7 @@ public abstract class QueueCoordinator {
      */
     public void setCuboid(@NonNull Location pos1, @NonNull Location pos2, @NonNull Pattern blocks) {
         int yMin = Math.min(pos1.getY(), pos2.getY());
-        int yMax = Math.min(255, Math.max(pos1.getY(), pos2.getY()));
+        int yMax = Math.max(pos1.getY(), pos2.getY());
         int xMin = Math.min(pos1.getX(), pos2.getX());
         int xMax = Math.max(pos1.getX(), pos2.getX());
         int zMin = Math.min(pos1.getZ(), pos2.getZ());
@@ -450,7 +463,7 @@ public abstract class QueueCoordinator {
      */
     public void setBiomeCuboid(@NonNull Location pos1, @NonNull Location pos2, @NonNull BiomeType biome) {
         int yMin = Math.min(pos1.getY(), pos2.getY());
-        int yMax = Math.min(255, Math.max(pos1.getY(), pos2.getY()));
+        int yMax = Math.max(pos1.getY(), pos2.getY());
         int xMin = Math.min(pos1.getX(), pos2.getX());
         int xMax = Math.max(pos1.getX(), pos2.getX());
         int zMin = Math.min(pos1.getZ(), pos2.getZ());

Core/src/main/java/com/plotsquared/core/util/ChunkManager.java

@@ -31,6 +31,7 @@ import com.plotsquared.core.queue.QueueCoordinator;
 import com.plotsquared.core.queue.ScopedQueueCoordinator;
 import com.plotsquared.core.util.task.RunnableVal;
 import com.sk89q.worldedit.math.BlockVector2;
+import com.sk89q.worldedit.world.World;
 
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
@@ -47,18 +48,16 @@ public abstract class ChunkManager {
             String world,
             BlockVector2 loc
     ) {
-        QueueCoordinator queue = PlotSquared.platform().globalBlockQueue().getNewQueue(PlotSquared
+        World weWorld = PlotSquared.platform().worldUtil().getWeWorld(world);
-                .platform()
+        QueueCoordinator queue = PlotSquared.platform().globalBlockQueue().getNewQueue(weWorld);
-                .worldUtil()
-                .getWeWorld(world));
         if (PlotSquared.get().getPlotAreaManager().isAugmented(world) && PlotSquared.get().isNonStandardGeneration(world, loc)) {
             int blockX = loc.getX() << 4;
             int blockZ = loc.getZ() << 4;
             ScopedQueueCoordinator scoped =
                     new ScopedQueueCoordinator(
                             queue,
-                            Location.at(world, blockX, 0, blockZ),
+                            Location.at(world, blockX, weWorld.getMinY(), blockZ),
-                            Location.at(world, blockX + 15, 255, blockZ + 15)
+                            Location.at(world, blockX + 15, weWorld.getMaxY(), blockZ + 15)
                     );
             if (force != null) {
                 force.run(scoped);

Core/src/main/java/com/plotsquared/core/util/MainUtil.java

@@ -37,15 +37,21 @@ public class MainUtil {
      * Cache of mapping x,y,z coordinates to the chunk array<br>
      * - Used for efficient world generation<br>
      */
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static short[][] x_loc;
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static short[][] y_loc;
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static short[][] z_loc;
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static short[][][] CACHE_I = null;
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static short[][][] CACHE_J = null;
 
     /**
      * This cache is used for world generation and just saves a bit of calculation time when checking if something is in the plot area.
      */
+    @Deprecated(forRemoval = true, since = "6.0.0")
     public static void initCache() {
         if (x_loc == null) {
             x_loc = new short[16][4096];

Core/src/main/java/com/plotsquared/core/util/RegionManager.java

@@ -279,7 +279,10 @@ public abstract class RegionManager {
         fromQueue1.addReadChunks(new CuboidRegion(pos1.getBlockVector3(), pos2.getBlockVector3()).getChunks());
         fromQueue2.addReadChunks(new CuboidRegion(
                 swapPos.getBlockVector3(),
-                BlockVector3.at(swapPos.getX() + pos2.getX() - pos1.getX(), 0, swapPos.getZ() + pos2.getZ() - pos1.getZ())
+                BlockVector3.at(swapPos.getX() + pos2.getX() - pos1.getX(),
+                        pos1.getY(),
+                        swapPos.getZ() + pos2.getZ() - pos1.getZ()
+                )
         ).getChunks());
         QueueCoordinator toQueue1 = blockQueue.getNewQueue(world1);
         QueueCoordinator toQueue2 = blockQueue.getNewQueue(world2);
@@ -352,7 +355,7 @@ public abstract class RegionManager {
             int bz = Math.max(pos1.getZ(), cbz) & 15;
             int tx = Math.min(pos2.getX(), cbx + 15) & 15;
             int tz = Math.min(pos2.getZ(), cbz + 15) & 15;
-            for (int y = 0; y < 256; y++) {
+            for (int y = world1.getMinY(); y <= world1.getMaxY(); y++) {
                 for (int x = bx; x <= tx; x++) {
                     for (int z = bz; z <= tz; z++) {
                         int rx = cbx + x;
@@ -363,7 +366,10 @@ public abstract class RegionManager {
                     }
                 }
             }
-            Region region = new CuboidRegion(BlockVector3.at(cbx + bx, 0, cbz + bz), BlockVector3.at(cbx + tx, 255, cbz + tz));
+            Region region = new CuboidRegion(
+                    BlockVector3.at(cbx + bx, world1.getMinY(), cbz + bz),
+                    BlockVector3.at(cbx + tx, world1.getMaxY(), cbz + tz)
+            );
             toQueue.addEntities(world1.getEntities(region));
             if (removeEntities) {
                 for (Entity entity : world1.getEntities(region)) {
@@ -373,28 +379,39 @@ public abstract class RegionManager {
         });
     }
 
+    @Deprecated(forRemoval = true, since = "TODO")
     public void setBiome(
             final CuboidRegion region,
             final int extendBiome,
             final BiomeType biome,
             final String world,
             final Runnable whenDone
+    ) {
+        setBiome(region, extendBiome, biome, PlotSquared.get().getPlotAreaManager().getPlotAreas(world, region)[0], whenDone);
+    }
+
+    public void setBiome(
+            final CuboidRegion region,
+            final int extendBiome,
+            final BiomeType biome,
+            final PlotArea area,
+            final Runnable whenDone
     ) {
         Location pos1 = Location
                 .at(
-                        world,
+                        area.getWorldName(),
                         region.getMinimumPoint().getX() - extendBiome,
                         region.getMinimumPoint().getY(),
                         region.getMinimumPoint().getZ() - extendBiome
                 );
         Location pos2 = Location
                 .at(
-                        world,
+                        area.getWorldName(),
                         region.getMaximumPoint().getX() + extendBiome,
                         region.getMaximumPoint().getY(),
                         region.getMaximumPoint().getZ() + extendBiome
                 );
-        final QueueCoordinator queue = blockQueue.getNewQueue(worldUtil.getWeWorld(world));
+        final QueueCoordinator queue = blockQueue.getNewQueue(worldUtil.getWeWorld(area.getWorldName()));
 
         final int minX = pos1.getX();
         final int minZ = pos1.getZ();
@@ -405,14 +422,14 @@ public abstract class RegionManager {
             final int cx = blockVector2.getX() << 4;
             final int cz = blockVector2.getZ() << 4;
             WorldUtil.setBiome(
-                    world,
+                    area,
                     Math.max(minX, cx),
                     Math.max(minZ, cz),
                     Math.min(maxX, cx + 15),
                     Math.min(maxZ, cz + 15),
                     biome
             );
-            worldUtil.refreshChunk(blockVector2.getBlockX(), blockVector2.getBlockZ(), world);
+            worldUtil.refreshChunk(blockVector2.getBlockX(), blockVector2.getBlockZ(), area.getWorldName());
         });
         queue.setCompleteTask(whenDone);
         queue.enqueue();

Core/src/main/java/com/plotsquared/core/util/RegionUtil.java

@@ -76,8 +76,9 @@ public class RegionUtil {
         return new CuboidRegion(min, max);
     }
 
+    @Deprecated(forRemoval = true, since = "TODO")
     public static CuboidRegion createRegion(int pos1x, int pos2x, int pos1z, int pos2z) {
-        return createRegion(pos1x, pos2x, 0, Plot.MAX_HEIGHT - 1, pos1z, pos2z);
+        return createRegion(pos1x, pos2x, 0, 255, pos1z, pos2z);
     }
 
     public static CuboidRegion createRegion(

Core/src/main/java/com/plotsquared/core/util/SchematicHandler.java

@@ -305,12 +305,13 @@ public abstract class SchematicHandler {
             final int WIDTH = dimension.getX();
             final int LENGTH = dimension.getZ();
             final int HEIGHT = dimension.getY();
+            final int worldHeight = plot.getArea().getMaxGenHeight() - plot.getArea().getMinGenHeight() + 1;
             // Validate dimensions
             CuboidRegion region = plot.getLargestRegion();
             boolean sizeMismatch =
                     ((region.getMaximumPoint().getX() - region.getMinimumPoint().getX() + xOffset + 1) < WIDTH) || (
                             (region.getMaximumPoint().getZ() - region.getMinimumPoint().getZ() + zOffset + 1) < LENGTH) || (HEIGHT
-                            > 256);
+                            > worldHeight);
             if (!Settings.Schematics.PASTE_MISMATCHES && sizeMismatch) {
                 actor.sendMessage(TranslatableCaption.of("schematics.schematic_size_mismatch"));
                 TaskManager.runTask(whenDone);
@@ -321,7 +322,7 @@ public abstract class SchematicHandler {
             // Calculate the optimal height to paste the schematic at
             final int y_offset_actual;
             if (autoHeight) {
-                if (HEIGHT >= 256) {
+                if (HEIGHT >= worldHeight) {
                     y_offset_actual = yOffset;
                 } else {
                     PlotArea pw = plot.getArea();
@@ -360,9 +361,9 @@ public abstract class SchematicHandler {
             // Paste schematic here
             final QueueCoordinator queue = plot.getArea().getQueue();
 
-            for (int ry = 0; ry < Math.min(256, HEIGHT); ry++) {
+            for (int ry = 0; ry < Math.min(worldHeight, HEIGHT); ry++) {
                 int yy = y_offset_actual + ry;
-                if (yy > 255 || yy < 0) {
+                if (yy > plot.getArea().getMaxGenHeight() || yy < plot.getArea().getMinGenHeight()) {
                     continue;
                 }
                 for (int rz = 0; rz < blockArrayClipboard.getDimensions().getZ(); rz++) {
@@ -379,10 +380,8 @@ public abstract class SchematicHandler {
                         BlockVector3 loc = BlockVector3.at(rx, ry, rz);
                         BaseBlock id = blockArrayClipboard.getFullBlock(loc);
                         queue.setBlock(xx, yy, zz, id);
-                        if (ry == 0) {
+                        BiomeType biome = blockArrayClipboard.getBiome(loc);
-                            BiomeType biome = blockArrayClipboard.getBiome(loc);
+                        queue.setBiome(xx, yy, zz, biome);
-                            queue.setBiome(xx, yy, zz, biome);
-                        }
                     }
                 }
             }

Core/src/main/java/com/plotsquared/core/util/WorldUtil.java

@@ -30,6 +30,7 @@ import com.plotsquared.core.configuration.caption.Caption;
 import com.plotsquared.core.location.Location;
 import com.plotsquared.core.player.PlotPlayer;
 import com.plotsquared.core.plot.Plot;
+import com.plotsquared.core.plot.PlotArea;
 import com.plotsquared.core.util.task.RunnableVal;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.IntTag;
@@ -81,11 +82,28 @@ public abstract class WorldUtil {
      */
     public static void setBiome(String world, int p1x, int p1z, int p2x, int p2z, BiomeType biome) {
         BlockVector3 pos1 = BlockVector2.at(p1x, p1z).toBlockVector3();
-        BlockVector3 pos2 = BlockVector2.at(p2x, p2z).toBlockVector3(Plot.MAX_HEIGHT - 1);
+        BlockVector3 pos2 = BlockVector2.at(p2x, p2z).toBlockVector3(255);
         CuboidRegion region = new CuboidRegion(pos1, pos2);
         PlotSquared.platform().worldUtil().setBiomes(world, region, biome);
     }
 
+    /**
+     * Set the biome in a region
+     *
+     * @param area  Plot area
+     * @param p1x   Min X
+     * @param p1z   Min Z
+     * @param p2x   Max X
+     * @param p2z   Max Z
+     * @param biome Biome
+     */
+    public static void setBiome(PlotArea area, int p1x, int p1z, int p2x, int p2z, BiomeType biome) {
+        BlockVector3 pos1 = BlockVector2.at(p1x, p1z).toBlockVector3(area.getMinGenHeight());
+        BlockVector3 pos2 = BlockVector2.at(p2x, p2z).toBlockVector3(area.getMaxGenHeight());
+        CuboidRegion region = new CuboidRegion(pos1, pos2);
+        PlotSquared.platform().worldUtil().setBiomes(area.getWorldName(), region, biome);
+    }
+
     /**
      * Check if a given world name corresponds to a real world
      *