Fix BlockLoc to the requirements for use as a home location

- Add home locations to #fromString
 - Switch to y=Integer#minValue more
 - May help with #3321

Core/src/main/java/com/plotsquared/core/location/BlockLoc.java

@@ -25,8 +25,14 @@
  */
 package com.plotsquared.core.location;
 
+import com.plotsquared.core.util.StringMan;
+
 public class BlockLoc {
 
+    public static final BlockLoc ZERO = new BlockLoc(0, 0, 0);
+    public static final BlockLoc MINY = new BlockLoc(0, Integer.MIN_VALUE, 0);
+    private static final BlockLoc MIDDLE = new BlockLoc(Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE);
+
     private final int x;
     private final int y;
     private final int z;
@@ -34,6 +40,10 @@ public class BlockLoc {
     private final float yaw;
     private final float pitch;
 
+    public BlockLoc(int x, int y, int z) {
+        this(x, y, z, 0f, 0f);
+    }
+
     public BlockLoc(int x, int y, int z, float yaw, float pitch) {
         this.x = x;
         this.y = y;
@@ -43,26 +53,31 @@ public class BlockLoc {
         this.pitch = pitch;
     }
 
-    public BlockLoc(int x, int y, int z) {
-        this(x, y, z, 0f, 0f);
-    }
-
     public static BlockLoc fromString(String string) {
-        String[] parts = string.split(",");
-
-        float yaw;
-        float pitch;
-        if (parts.length == 5) {
-            yaw = Float.parseFloat(parts[3]);
-            pitch = Float.parseFloat(parts[4]);
+        if (string == null || "side".equalsIgnoreCase(string)) {
+            return null;
+        } else if (StringMan.isEqualIgnoreCaseToAny(string, "center", "middle", "centre")) {
+            return MIDDLE;
         } else {
-            return new BlockLoc(0, 0, 0);
-        }
-        int x = Integer.parseInt(parts[0]);
-        int y = Integer.parseInt(parts[1]);
-        int z = Integer.parseInt(parts[2]);
+            String[] parts = string.split(",");
 
-        return new BlockLoc(x, y, z, yaw, pitch);
+            float yaw;
+            float pitch;
+            if (parts.length == 5) {
+                yaw = Float.parseFloat(parts[3]);
+                pitch = Float.parseFloat(parts[4]);
+            } else if (parts.length == 3) {
+                yaw = 0;
+                pitch = 0;
+            } else {
+                return ZERO;
+            }
+            int x = Integer.parseInt(parts[0]);
+            int y = Integer.parseInt(parts[1]);
+            int z = Integer.parseInt(parts[2]);
+
+            return new BlockLoc(x, y, z, yaw, pitch);
+        }
     }
 
     @Override
@@ -88,12 +103,12 @@ public class BlockLoc {
         }
         BlockLoc other = (BlockLoc) obj;
         return this.getX() == other.getX() && this.getY() == other.getY() && this.getZ() == other
-                .getZ();
+                .getZ() && this.getYaw() == other.getYaw() && this.getPitch() == other.getPitch();
     }
 
     @Override
     public String toString() {
-        if (this.getX() == 0 && this.getY() == 0 && this.getZ() == 0) {
+        if (this.getX() == 0 && this.getY() == 0 && this.getZ() == 0 && this.getYaw() == 0 && this.getPitch() == 0) {
             return "";
         }
         return this.getX() + "," + this.getY() + ',' + this.getZ() + ',' + this.getYaw() + ','

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

@@ -1477,7 +1477,7 @@ public class Plot {
      */
     public void setHome(BlockLoc location) {
         Plot plot = this.getBasePlot(false);
-        if (location != null && new BlockLoc(0, 0, 0).equals(location)) {
+        if (BlockLoc.ZERO.equals(location) || BlockLoc.MINY.equals(location)) {
             return;
         }
         plot.getSettings().setPosition(location);
@@ -2149,8 +2149,9 @@ public class Plot {
     }
 
     /**
-     * Gets the set home location or 0,0,0 if no location is set<br>
+     * Gets the set home location or 0,Integer#MIN_VALUE,0 if no location is set<br>
      * - Does not take the default home location into account
+     * - PlotSquared will internally find the correct place to teleport to if y = Integer#MIN_VALUE when teleporting to the plot.
      *
      * @return home location
      */

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

@@ -107,7 +107,7 @@ public class PlotSettings {
 
     public BlockLoc getPosition() {
         if (this.position == null) {
-            return new BlockLoc(0, 0, 0);
+            return BlockLoc.MINY;
         }
         return this.position;
     }