Changed descriptions for most files

Brought in-line to the docstrings

docs/entity/EntityManager.md

@@ -11,7 +11,7 @@
 | [Notes](#notes)|
 
 ## About
-Controls adding and removing entities, and registration and deregistration of components to specific entities.
+Controls adding and removing entities, and registration and unregistration of components to specific entities.
 
 ## Implementation
 Before attempting to use a system, it must be registered.
@@ -22,14 +22,14 @@ See [EntityManager.java](/BrychanD/JaveECS/src/branch/master/javaecs/src/main/ja
 
 ## Constructors
 ``` java
-public EntityManager(){}
+protected EntityManager(){}
 ```
-The default constructor initialises [unusedEntities](#unusedEntities) to a new queue containing `1024` unique integers.
+The default constructor initialises [unusedEntities](#unusedEntities) to a new queue containing [maxSize](#maxSize) (`1024`) unique integers.
 
 <br>
 
 ``` java
-public EntityManager(int maxEntities){}
+protected EntityManager(int maxEntities){}
 ```
 Initialises [unusedEntities](#unusedEntities) to a new queue containing `maxEntities` unique integers.
 
@@ -38,7 +38,7 @@ Initialises [unusedEntities](#unusedEntities) to a new queue containing `maxEnti
 ## Methods
 ### addEntity
 ``` java
-public Integer addEntity();
+protected Integer addEntity();
 ```
 Pops the next available entity index off the queue, and returns its value.
 
@@ -46,17 +46,27 @@ Returns `-1` if there is no remaining unused entities.
 
 <br>
 
+### getMaxSize
+``` java
+protected Integer getMaxSize();
+```
+Gets the current maximum entity count. 
+
+<br>
+
 ### getRegistrations
 ``` java
-public BitSet getRegistrations(int entity);
+protected BitSet getRegistrations(int entity);
 ```
-Returns the `BitSet` of registrations the `entity` has
+Returns the `BitSet` of registrations the `entity` has.
+
+If the call results in an `IndexOutOfBoundsError`, then returns a new BitSet();
 
 <br>
 
 ### registerComponent
 ``` java
-public void registerComponent(int component, int entity);
+protected void registerComponent(int component, int entity);
 ```
 Sets the bit `component` in [entityRegistrations](#entityRegistrations) for `entity` to `true`.
 
@@ -64,7 +74,7 @@ Sets the bit `component` in [entityRegistrations](#entityRegistrations) for `ent
 
 ### removeEntity
 ``` java
-public void removeEntity(int entity);
+protected void removeEntity(int entity);
 ```
 Adds the entity's index back to the unused queue, and clears the assigned registration bits
 #### Note
@@ -72,12 +82,32 @@ Adds the entity's index back to the unused queue, and clears the assigned regist
 
 <br>
 
+### resize
+``` java
+protected boolean resize(int newSize, SystemManager systemManager, ComponentManager componentManager);
+```
+Resizes the currentSize of the entity manager. Moves elements above `newSize` if space is available.
+
+If the current defined elements won't fit, the operation returns `false` and the previous state is maintained.
+
+<br>
+
+### setRegistrations
+``` java
+protected void setRegistrations(int entity, BitSet registrations);
+```
+Sets the entity's registrations to the provided BitSet
+
+<br>
+
 ### unregisterComponent
 ``` java
-public void unregisterComponent(int component, int entity);
+protected void unregisterComponent(int component, int entity);
 ```
 Sets the bit `component` in [entityRegistrations](#entityRegistrations) for `entity` to `false`.
 
+Returns `true` if successful.
+
 <br>
 
 ## Fields
@@ -85,14 +115,22 @@ Sets the bit `component` in [entityRegistrations](#entityRegistrations) for `ent
 ``` java
 List<BitSet> entityRegistrations;
 ```
+The BitSet of registrations for each entity
 
 <br>
 
+### maxSize
+``` java
+private int maxSize = 1024;
+```
+The current maximum entity count.
+
+Default `1024`
+
+
 ### unusedEntities
 ``` java
 Queue<Integer> unusedEntities;
 ```
-
-<br>
-
+The queue of unused entity values
 

docs/entity/dir.md

@@ -1,5 +1,8 @@
 *| [JavaECS](../README.md) | [docs](../overview.md) | entity*
 # Overview
 ### In this folder
-*[Entity.md](./Entity.md)
-*[EntityManager.md](./EntityManager.md)
+* [Entity.md](./Entity.md)
+* [EntityManager.md](./EntityManager.md)
+
+### See source file:
+* [EntityManager.java](/BrychanD/JavaECS/src/branch/master/javaecs/src/main/java/nz/ac/massey/javaecs/EntityManager.java)