Added basic lists

javaecs/src/main/java/nz/ac/massey/programming_project_159333_s1_2021/ECS.java

@@ -0,0 +1,30 @@
+/**
+ * ECS root file
+ * 
+ * Contributors:
+ * Brychan Dempsey - brychand@hotmail.com
+ */
+
+import java.util.*;
+
+public class ECS {
+    // Entities in an ECS are just a unique integer
+    List<Integer> entities = new ArrayList<>();
+    // Components are either primitive types or class/struct definitions, with an additional list associating
+    // the entities the component is assigned to
+    List<Object> components = new ArrayList<>();
+    // Systems are user-defined functions that are called by the game engine, usually at a regular interval such 
+    // as between every render frame. It must be able to find all instances of a specific component, in order
+    // to update/read its data. A component  
+    List<Object> systems = new ArrayList<>();
+
+
+    int entityIndex = 0;
+    int componentIndex = 0;
+    int systemIndex = 0;
+
+    Integer createEntity(){
+        
+    }
+
+}