Declutter run arguments

build.gradle

@@ -230,16 +230,36 @@ afterEvaluate {
 }
 
 runClient {
-    args    "--mods=../build/libs/$modId-${version}.jar",
-            usesMixins.toBoolean() ? "--tweakClass org.spongepowered.asm.launch.MixinTweaker" : "",
-            developmentEnvironmentUserName.isEmpty() == false ? "--username": "",
-            developmentEnvironmentUserName.isEmpty() == false ? developmentEnvironmentUserName : ""
+    def arguments = []
+
+    if(usesMixins.toBoolean()) {
+        arguments += [
+                "--mods=../build/libs/$modId-${version}.jar",
+                "--tweakClass org.spongepowered.asm.launch.MixinTweaker"
+        ]
+    }
+
+    if(developmentEnvironmentUserName) {
+        arguments += [
+                "--username",
+                developmentEnvironmentUserName
+        ]
+    }
+
+    args(arguments)
 }
 
 runServer {
-    args    "--mods=../build/libs/$modId-${version}.jar",
-            usesMixins.toBoolean() ? "--tweakClass org.spongepowered.asm.launch.MixinTweaker" : ""
+    def arguments = []
 
+    if(usesMixins.toBoolean()) {
+        arguments += [
+                "--mods=../build/libs/$modId-${version}.jar",
+                "--tweakClass org.spongepowered.asm.launch.MixinTweaker"
+        ]
+    }
+
+    args(arguments)
 }
 
 processResources

gradle.properties

@@ -12,6 +12,12 @@ modGroup = com.myname.mymodid
 minecraftVersion = 1.7.10
 forgeVersion = 10.13.4.1614
 
+# Select a username for testing your mod with breakpoints. You may leave this empty for a random user name each time you
+# restart Minecraft in development. Choose this dependent on your mod:
+# Do you need consistent player progressing (for example Thaumcraft)? -> Select a name
+# Do you need to test how your custom blocks interacts with a player that is not the owner? -> leave name empty
+developmentEnvironmentUserName = "Developer"
+
 # Define a source file of your project with:
 # public static final String VERSION = "GRADLETOKEN_VERSION";
 # The string's content will be replaced with your mods version when compiled. You should use this to specify your mod's
@@ -45,9 +51,3 @@ containsMixinsAndOrCoreModOnly = false
 # If enabled, you may use 'shadowImplementation' for dependencies. They will be integrated in your jar. It is your
 # responsibility check the licence and request permission for distribution, if required.
 usesShadowedDependencies = false
-
-# Select a username for testing your mod with breakpoints. You may leave this empty for a random user name each time you
-# restart Minecraft in development. Choose this dependent on your mod:
-# Do you need consistent player progressing (for example Thaumcraft)? -> Select a name
-# Do you need to test how your custom blocks interacts with a player that is not the owner? -> leave name empty
-developmentEnvironmentUserName = "Developer"