made pom work with linux and fixed some file stuff for shaders

src/main/java/org/example/Entity.java

@@ -35,10 +35,14 @@ public class Entity
                     model.getTexCoords().size(),
                     model.getObjects().size()));
         } catch (Exception e) {
+            System.out.println("ERROR Parsing obj");
             e.printStackTrace();
             System.exit(1);
         }
 
+        vaoId = 0;
+        vboId = 0;
+
         // Load Shaders
         try {
             this.shader = new ShaderProgram();
@@ -48,7 +52,7 @@ public class Entity
         }
 
         try {
-            String vertex_shader_code = new Scanner(new File(vertex_shader_path)).useDelimiter("\\Z").next();
+            String vertex_shader_code = new Scanner(this.getClass().getResourceAsStream(vertex_shader_path)).useDelimiter("\\Z").next();
             this.shader.createVertexShader(vertex_shader_code);
         } catch (Exception e) {
             System.out.println("ERROR Initializing the vertex shader");
@@ -56,7 +60,7 @@ public class Entity
         }
 
         try {
-            String fragment_shader_code = new Scanner(new File(fragment_shader_path)).useDelimiter("\\Z").next();
+            String fragment_shader_code = new Scanner(this.getClass().getResourceAsStream(fragment_shader_path)).useDelimiter("\\Z").next();
             this.shader.createFragmentShader(fragment_shader_code);
         } catch (Exception e)
         {
@@ -64,4 +68,12 @@ public class Entity
             e.printStackTrace();
         }
     }
+
+    public int getVaoId() {
+        return vaoId;
+    }
+
+    public int getVboId() {
+        return vboId;
+    }
 }

src/main/java/org/example/Game.java

@@ -100,7 +100,7 @@ public class Game
         glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
 
         // Add stuff to world
-        world.addEntity(new Entity("/obs/cube.obj", "/shaders/shader.fraq", "/shaders/shader.vert"));
+        world.addEntity(new Entity("/objs/cube.obj", "/shaders/shader.frag", "/shaders/shader.vert"));
 
         // Main loop or something
         while ( !glfwWindowShouldClose(window) )