Merge branch 'v6' into fix/v6/exclusive-max-build-height

- Fixes #3926

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

@@ -144,7 +144,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                     plot.getRegions(),
                     blocks,
                     classicPlotWorld.getMinBuildHeight(),
-                    classicPlotWorld.getMaxBuildHeight(),
+                    classicPlotWorld.getMaxBuildHeight() - 1,
                     actor,
                     queue
             );
@@ -175,7 +175,7 @@ public class ClassicPlotManager extends SquarePlotManager {
                             plot.getRegions(),
                             blocks,
                             classicPlotWorld.PLOT_HEIGHT + 1,
-                            classicPlotWorld.getMaxBuildHeight(),
+                            classicPlotWorld.getMaxBuildHeight() - 1,
                             actor,
                             queue
                     );
@@ -281,7 +281,7 @@ public class ClassicPlotManager extends SquarePlotManager {
             }
         }
 
-        int maxY = classicPlotWorld.getMaxBuildHeight();
+        int maxY = classicPlotWorld.getMaxBuildHeight() - 1;
         if (!plot.isMerged(Direction.NORTH)) {
             int z = bottom.getZ();
             for (int x = bottom.getX(); x <= top.getX(); x++) {

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

@@ -2506,7 +2506,7 @@ public class Plot {
                 }
             }
             int minHeight = getArea().getMinBuildHeight();
-            int maxHeight = getArea().getMaxBuildHeight();
+            int maxHeight = getArea().getMaxBuildHeight() - 1;
             Location gtopabs = this.area.getPlotAbs(top).getTopAbs();
             Location gbotabs = this.area.getPlotAbs(bot).getBottomAbs();
             visited.addAll(Lists.newArrayList((Iterable<? extends PlotId>) PlotId.PlotRangeIterator.range(bot, top)));

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

@@ -106,7 +106,7 @@ public class WEManager {
                             .getTrusted().contains(uuid))) && !plot.getFlag(NoWorldeditFlag.class)) {
                 for (CuboidRegion region : plot.getRegions()) {
                     BlockVector3 pos1 = region.getMinimumPoint().withY(area.getMinBuildHeight());
-                    BlockVector3 pos2 = region.getMaximumPoint().withY(area.getMaxBuildHeight());
+                    BlockVector3 pos2 = region.getMaximumPoint().withY(area.getMaxBuildHeight() - 1);
                     CuboidRegion copy = new CuboidRegion(pos1, pos2);
                     regions.add(copy);
                 }