Added two new utility datatypes.

src/main/java/ca/recrown/islandsurvivalcraft/datatypes/Point3.java

@@ -0,0 +1,38 @@
+package ca.recrown.islandsurvivalcraft.datatypes;
+
+import java.util.Objects;
+
+public class Point3 {
+    public final int x, y, z;
+    private final int hash;
+
+    public Point3(int x, int y, int z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.hash = Objects.hash(x, y, z);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof Point3) {
+            Point3 p = (Point3) obj;
+            return p.x == this.x && p.y == this.y && p.z == this.z;
+        }
+        return false;
+    }
+
+    public boolean fastEquals(Point3 point) {
+        return point.hashCode() == this.hash && x == point.x && y == point.y && z == point.z;
+    }
+
+    @Override
+    public int hashCode() {
+        return hash;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("(%d, %d, %d)", x, y, z);
+    }
+}

src/main/java/ca/recrown/islandsurvivalcraft/datatypes/Vector3.java

@@ -0,0 +1,38 @@
+package ca.recrown.islandsurvivalcraft.datatypes;
+
+import java.util.Objects;
+
+public class Vector3 {
+    public final float x, y, z;
+    private final int hash;
+
+    public Vector3(float x, float y, float z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.hash = Objects.hash(x, y, z);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof Point3) {
+            Point3 p = (Point3) obj;
+            return p.x == this.x && p.y == this.y && p.z == this.z;
+        }
+        return false;
+    }
+
+    public boolean fastEquals(Point3 point) {
+        return point.hashCode() == this.hash && x == point.x && y == point.y && z == point.z;
+    }
+
+    @Override
+    public int hashCode() {
+        return hash;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("(%d, %d, %d)", x, y, z);
+    }
+}