2 files changed, 13 insertions, 1 deletions
diff --git a/spark-common/src/main/java/me/lucko/spark/common/command/Arguments.java b/spark-common/src/main/java/me/lucko/spark/common/command/Arguments.java
index d240554..2b202af 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/command/Arguments.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/command/Arguments.java
@@ -89,6 +89,18 @@ public class Arguments {
         return -1; // undefined
     }
 
+    public double doubleFlag(String key) {
+        Iterator<String> it = this.parsedArgs.get(key).iterator();
+        if (it.hasNext()) {
+            try {
+                return Math.abs(Double.parseDouble(it.next()));
+            } catch (NumberFormatException e) {
+                throw new IllegalArgumentException("Invalid input for '" + key + "' argument. Please specify a number!");
+            }
+        }
+        return -1; // undefined
+    }
+
     public Set<String> stringFlag(String key) {
         return this.parsedArgs.get(key);
     }
diff --git a/spark-common/src/main/java/me/lucko/spark/common/command/modules/SamplerModule.java b/spark-common/src/main/java/me/lucko/spark/common/command/modules/SamplerModule.java
index 6ebbee1..9d00a96 100644
--- a/spark-common/src/main/java/me/lucko/spark/common/command/modules/SamplerModule.java
+++ b/spark-common/src/main/java/me/lucko/spark/common/command/modules/SamplerModule.java
@@ -73,7 +73,7 @@ public class SamplerModule<S> implements CommandModule<S> {
                         platform.sendPrefixedMessage(sender, "&7The accuracy of the output will significantly improve when sampling is able to run for longer periods. Consider setting a timeout value over 30 seconds.");
                     }
 
-                    int intervalMillis = arguments.intFlag("interval");
+                    double intervalMillis = arguments.doubleFlag("interval");
                     if (intervalMillis <= 0) {
                         intervalMillis = 4;
                     }