thisway command + fixed fromDirection for you + fixed double/float argparsers

src/api/java/baritone/api/pathing/goals/GoalXZ.java

@@ -93,7 +93,7 @@ public class GoalXZ implements Goal {
         float theta = (float) Math.toRadians(yaw);
         double x = origin.x - MathHelper.sin(theta) * distance;
         double z = origin.z + MathHelper.cos(theta) * distance;
-        return new GoalXZ((int) x, (int) z);
+        return new GoalXZ(MathHelper.floor(x), MathHelper.floor(z));
     }
 
     public int getX() {

src/api/java/baritone/api/utils/command/argparser/DefaultArgParsers.java

@@ -50,7 +50,7 @@ public class DefaultArgParsers {
         public Float parseArg(CommandArgument arg) throws RuntimeException {
             String value = arg.value;
 
-            if (!value.matches("^[+-]?\\d+(?:\\.\\d+)$")) {
+            if (!value.matches("^([+-]?(?:\\d+(?:\\.\\d*)?|\\.\\d+)|)$")) {
                 throw new RuntimeException("failed float format check");
             }
 
@@ -69,7 +69,7 @@ public class DefaultArgParsers {
         public Double parseArg(CommandArgument arg) throws RuntimeException {
             String value = arg.value;
 
-            if (!value.matches("^[+-]?\\d+(?:\\.\\d+)$")) {
+            if (!value.matches("^([+-]?(?:\\d+(?:\\.\\d*)?|\\.\\d+)|)$")) {
                 throw new RuntimeException("failed double format check");
             }
 

src/api/java/baritone/api/utils/command/defaults/DefaultCommands.java

@@ -60,6 +60,7 @@ public class DefaultCommands {
         new BlacklistCommand(),
         new FindCommand(),
         new MineCommand(),
-        new ClickCommand()
+        new ClickCommand(),
+        new ThisWayCommand()
     ));
 }

src/api/java/baritone/api/utils/command/defaults/ThisWayCommand.java

@@ -0,0 +1,63 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.api.utils.command.defaults;
+
+import baritone.api.Settings;
+import baritone.api.pathing.goals.GoalXZ;
+import baritone.api.utils.command.Command;
+import baritone.api.utils.command.helpers.arguments.ArgConsumer;
+
+import java.util.List;
+import java.util.stream.Stream;
+
+import static java.util.Arrays.asList;
+
+public class ThisWayCommand extends Command {
+    public ThisWayCommand() {
+        super(asList("thisway", "forward"), "Travel in your current direction");
+    }
+
+    @Override
+    protected void executed(String label, ArgConsumer args, Settings settings) {
+        args.requireExactly(1);
+
+        GoalXZ goal = GoalXZ.fromDirection(
+            ctx.playerFeetAsVec(),
+            ctx.player().rotationYawHead,
+            args.getAs(Double.class)
+        );
+
+        baritone.getCustomGoalProcess().setGoal(goal);
+        logDirect(String.format("Goal: %s", goal));
+    }
+
+    @Override
+    protected Stream<String> tabCompleted(String label, ArgConsumer args, Settings settings) {
+        return Stream.empty();
+    }
+
+    @Override
+    public List<String> getLongDesc() {
+        return asList(
+            "Creates a GoalXZ some amount of blocks in the direction you're currently looking",
+            "",
+            "Usage:",
+            "> thisway <distance> - makes a GoalXZ distance blocks in front of you"
+        );
+    }
+}