Add headless option

.vscode/launch.json

@@ -10,19 +10,20 @@
             "request": "launch",
             "mainClass": "${file}"
         },
-        {
-            "type": "java",
-            "name": "Launch TerrainGen",
-            "request": "launch",
-            "mainClass": "electrosphere.game.server.terrain.generation.TerrainGen",
-            "projectName": "Renderer"
-        },
         {
             "type": "java",
             "name": "Launch Main",
             "request": "launch",
             "mainClass": "electrosphere.main.Main",
             "projectName": "Renderer"
+        },
+        {
+            "type": "java",
+            "name": "Launch Main (Headless)",
+            "request": "launch",
+            "mainClass": "electrosphere.main.Main",
+            "projectName": "Renderer",
+            "args" : "--headless"
         }
     ]
 }

.vscode/tasks.json

@@ -1,44 +0,0 @@
-{
-    "tasks": [
-        {
-            "label": "Build",
-            "type": "shell",
-            "command": "mvn process-classes",
-            "windows": {
-                "command": "mvn process-classes"
-            },
-            "group": "build",
-            "presentation": {
-                "reveal": "silent",
-                "panel": "shared",
-            }
-        },
-        {
-            "label": "Clean and Build",
-            "type": "shell",
-            "command": "mvn clean package",
-            "windows": {
-                "command": "mvn clean package"
-            },
-            "group": "build",
-            "presentation": {
-                "reveal": "silent",
-                "panel": "shared",
-            }
-        },
-        {
-            "label": "Run",
-            "type": "shell",
-            "command": "mvn process-classes exec:exec",
-            "windows": {
-                "command": "mvn process-classes exec:exec"
-            },
-            "group": "test",
-            "presentation": {
-                "reveal": "silent",
-                "panel": "shared",
-            }
-        },
-        
-    ]
-}

src/main/java/electrosphere/engine/cli/CLIParser.java

@@ -0,0 +1,20 @@
+package electrosphere.engine.cli;
+
+import java.util.Arrays;
+import java.util.List;
+
+import electrosphere.main.Globals;
+
+public class CLIParser {
+    
+    public static void parseCLIArgs(String args[]){
+        List<String> argList = Arrays.asList(args);
+        for(String arg : argList){
+            if(arg.equals("--headless")){
+                Globals.RUN_CLIENT = false;
+                Globals.RUN_SERVER = true;
+            }
+        }
+    }
+    
+}

src/main/java/electrosphere/main/Main.java

@@ -17,6 +17,7 @@ import electrosphere.entity.types.item.ItemUtils;
 import electrosphere.entity.types.attach.AttachUtils;
 import electrosphere.entity.types.camera.CameraEntityUtils;
 import electrosphere.engine.LoadingThread;
+import electrosphere.engine.cli.CLIParser;
 import electrosphere.game.client.ClientFunctions;
 import electrosphere.game.client.targeting.crosshair.Crosshair;
 import electrosphere.game.config.UserSettings;
@@ -118,6 +119,9 @@ public class Main {
         //
         //
 
+        //parse command line arguments
+        CLIParser.parseCLIArgs(args);
+
         //initialize logging interfaces
         LoggerInterface.initLoggers();