Added comments and clarified headers.

source/TileManager.h

@@ -22,7 +22,7 @@
 class Sprite;
 
 class TileManager : public sf::Drawable {
-// Public constants.
+// Public variables.
 public:
 	/// The size of a single tile (pixels).
 	static const Vector2i TILE_SIZE;
@@ -76,6 +76,4 @@ private:
 	Type mType;
 };
 
-
-
 #endif /* DG_TILEMANAGER_H_ */

source/abstract/Physical.h

@@ -43,13 +43,15 @@ public:
 		bool moving;
 		/// True if the object is a bullet.
 		bool bullet;
-		/// True if the body collides as a circle. Radius is side length / 2, both sides must be equal.
+		/// True if the body collides as a circle. Radius is side length / 2,
+		/// both sides must be equal.
 		bool circle;
 	};
 
 	/**
 	 * Categories of physical objects, for Box2D collision filtering.
-	 * The order of categories is also used for render order.
+	 * The order of categories is also used for render order in Collection::draw()
+	 * (higher number on top).
 	 *
 	 * @warning An object may only have one category.
 	 */
@@ -61,7 +63,7 @@ public:
 	};
 
 	/**
-	 * Common Box2D collision masking values.
+	 * Common collision masking values.
 	 */
 	enum Mask {
 		MASK_NONE = 0xffff, //< Disables any collisions.
@@ -88,13 +90,10 @@ protected:
 	void setSpeed(Vector2f direction, float speed);
 	void setAngle(float angle);
 
-// Protected variables.
-protected:
-	// Currently protected to allow for (debug only) direct player input.
-	b2Body* mBody;
 
 // Private variables.
 private:
+	b2Body* mBody;
 	bool mDelete;
 };
 

source/abstract/Sprite.cpp

@@ -8,7 +8,6 @@
 #include "Sprite.h"
 
 #include "../util/Loader.h"
-#include "../util/Log.h"
 #include "../util/String.h"
 #include "../util/ResourceManager.h"
 

source/abstract/Sprite.h

@@ -23,14 +23,18 @@ class Physical;
  * Handles drawing to world.
  */
 class Sprite : public sf::Drawable, public Physical {
+// Public functions.
 public:
 	Sprite(const sf::String& texturePath, const PhysicalData& data);
 	Sprite(const std::shared_ptr<sf::Texture>& texture, const PhysicalData& data);
 	virtual ~Sprite() = 0;
 
-private:
+// Protected functions.
+protected:
 	virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const;
 
+// Private variables.
+private:
 	std::shared_ptr<sf::Texture> mTexture;
 	Vector2i mSize;
 };

source/particle/Particle.h

@@ -16,6 +16,7 @@ class Sprite;
  * Prototype for a particle.
  */
 class Particle : public Sprite {
+// Public functions.
 public:
 	Particle(const std::shared_ptr<sf::Texture>& texture, const PhysicalData& data);
 	virtual ~Particle();

source/sprite/Cover.h

@@ -16,6 +16,7 @@ class Sprite;
  * A wall that can be placed anywhere (not limited by tiles) and have any (rectangular) size.
  */
 class Cover : public Sprite {
+// Public functions.
 public:
 	Cover(const Vector2f& position, const Vector2i& size, b2World& world);
 };

source/util/Collection.h

@@ -21,6 +21,7 @@ class Sprite;
  * A collection of sprites, which can be put into different layers.
  *
  * Uses Sprite instead of sf::Drawable to also manage deleting objects.
+ * Render order is determined by Physical::Category (higher number on top).
  */
 class Collection : public sf::Drawable {
 // Public functions.

source/util/Log.h

@@ -10,28 +10,37 @@
 
 #include <iostream>
 
+/**
+ * Logging functions for different levels.
+ *
+ * @code
+ * LOG_E("something bad happened");
+ * LOG_I("takeoff" << 3 << 2 << 1);
+ * @endcode
+ */
+
 /**
  * \def LOG_E(str)
  * Log an error to the error stream.
  */
-#define LOG_E(str) std::cerr << "Error:   " << __FILE__ << ":" << __LINE__ << " \"" << str << "\"" << std::endl
+#define LOG_E(str) std::cout << __FILE__ << ":" << __LINE__ << " " << "Error:   " << str << "\"" << std::endl
 
 /**
  * \def LOG_E(str)
  * Log a warning to the output stream.
  */
-#define LOG_W(str) std::cout << "Warning: " << __FILE__ << ":" << __LINE__ << " \"" << str << "\"" << std::endl
+#define LOG_W(str) std::cout << __FILE__ << ":" << __LINE__ << " " << "Warning: " << str << "\"" << std::endl
 
 /**
  * \def LOG_E(str)
  * Log a debug message to the output stream.
  */
-#define LOG_D(str) std::cout << "Debug:   " << __FILE__ << ":" << __LINE__ << " \"" << str << "\"" << std::endl
+#define LOG_D(str) std::cout << __FILE__ << ":" << __LINE__ << " " << "Debug:   " << str << "" << std::endl
 
 /**
  * \def LOG_E(str)
  * Log an info to the output stream.
  */
-#define LOG_I(str) std::cout << "Info:    " << __FILE__ << ":" << __LINE__ << " \"" << str << "\"" << std::endl
+#define LOG_I(str) std::cout << __FILE__ << ":" << __LINE__ << " " << "Info:    " << str << "\"" << std::endl
 
 #endif /* DG_LOG_H_ */

source/util/ResourceManager.h

@@ -17,11 +17,11 @@
 template <class T>
 class Singleton;
 
-
 /**
  * Loads and manages all resources by providing Singleton access to Thor ResourceManager.
  */
 class ResourceManager : public thor::MultiResourceCache, public Singleton<ResourceManager> {
+// Private functions.
 private:
 	friend class Singleton<ResourceManager>;
 	ResourceManager() = default;

source/util/Singleton.h

@@ -13,14 +13,24 @@
 /**
  * Template class for inheriting singleton behaviour.
  *
+ * This uses lazy initialization and should be thread safe in C++11 (untested).
  * To use, just make a subclass with only a private default constructor and Singleton<T>
  * as friend class.
+ *
+ * @code
+ * class MyClass : public Singleton<MyClass> {
+ * private:
+ * 		friend class Singleton<MyClass>;
+ * 		MyClass() = default;
+ * };
+ * @endcode
  */
 template <class T>
 class Singleton : public sf::NonCopyable {
+// Public functions.
 public:
 	/**
-	 * Get the instance of this class.
+	* Returns the instance of T.
 	*/
 	static T& i() {
 		static T s;