Added explicit keyword to all constructors.

source/Game.h

@@ -21,7 +21,7 @@ class World;
 class Game : private sf::NonCopyable {
 // Public functions.
 public:
-	Game(sf::RenderWindow& window);
+	explicit Game(sf::RenderWindow& window);
 	~Game();
 
 	void loop();

source/abstract/Character.h

@@ -20,7 +20,7 @@ class Yaml;
 class Character : public Sprite {
 // Public functions.
 public:
-	Character(World& world, const Data& data, const Yaml& config);
+	explicit Character(World& world, const Data& data, const Yaml& config);
 	virtual ~Character() = 0;
 
 	void onDamage(int damage);

source/abstract/Sprite.h

@@ -37,7 +37,7 @@ public:
 	 */
 	class Data {
 	public:
-		Data(const sf::Vector2f& position,
+		explicit Data(const sf::Vector2f& position,
 				Category category, unsigned short mask,
 				const sf::Vector2f& direction = sf::Vector2f(0, 0));
 		const sf::Vector2f& position;
@@ -56,7 +56,7 @@ public:
 
 // Public functions.
 public:
-	Sprite(const Data& data, const Yaml& config);
+	explicit Sprite(const Data& data, const Yaml& config);
 	virtual ~Sprite() = 0;
 
 	sf::Vector2f getPosition() const;

source/effects/Bullet.h

@@ -18,7 +18,7 @@ class Yaml;
 class Bullet : public Particle {
 // Public functions.
 public:
-	Bullet(const sf::Vector2f& position, Sprite& shooter,
+	explicit Bullet(const sf::Vector2f& position, Sprite& shooter,
 			sf::Vector2f direction, const Yaml& config);
 
 	void onCollide(std::shared_ptr<Sprite> other);

source/items/Weapon.h

@@ -27,7 +27,7 @@ class Particle;
 class Weapon : public Emitter {
 // Public functions.
 public:
-	Weapon(World& world, Sprite& holder, const Yaml& config);
+	explicit Weapon(World& world, Sprite& holder, const Yaml& config);
 
 	void pullTrigger();
 	void releaseTrigger();

source/particle/Emitter.h

@@ -17,7 +17,7 @@ class Sprite;
 class Emitter {
 // Public functions.
 public:
-	Emitter(World& world);
+	explicit Emitter(World& world);
 	virtual ~Emitter();
 
 // Protected functions.

source/particle/Particle.h

@@ -18,7 +18,7 @@ class Yaml;
 class Particle : public Sprite {
 // Public functions.
 public:
-	Particle(const Yaml& config, const Data& data);
+	explicit Particle(const Yaml& config, const Data& data);
 	virtual ~Particle();
 };
 

source/sprites/Corpse.h

@@ -15,7 +15,7 @@ class Yaml;
 class Corpse : public Sprite {
 // Public functions.
 public:
-	Corpse(const sf::Vector2f& position, const Yaml& config);
+	explicit Corpse(const sf::Vector2f& position, const Yaml& config);
 };
 
 #endif /* DG_CORPSE_H_ */

source/sprites/Enemy.h

@@ -16,7 +16,7 @@ class Yaml;
 class Enemy : public Character {
 // Public functions.
 public:
-	Enemy(World& world, const sf::Vector2f& position, const Yaml& config);
+	explicit Enemy(World& world, const sf::Vector2f& position, const Yaml& config);
 };
 
 #endif /* DG_ENEMY_H_ */

source/sprites/Player.h

@@ -31,7 +31,7 @@ public:
 
 // Public functions.
 public:
-	Player(World& world, const sf::Vector2f& position, const Yaml& config);
+	explicit Player(World& world, const sf::Vector2f& position, const Yaml& config);
 
 	void setCrosshairPosition(const sf::Vector2f& position);
 	void pullTrigger();

source/sprites/TileManager.h

@@ -32,7 +32,7 @@ public:
 
 // Public functions.
 public:
-	TileManager(World& world);
+	explicit TileManager(World& world);
 
 	void insertTile(const TilePosition& position, Type type);
 	void removeTile(const TilePosition& position);
@@ -57,7 +57,7 @@ private:
 class TileManager::Tile : public Sprite {
 // Public functions.
 public:
-	Tile(Type type, const TilePosition& position);
+	explicit Tile(Type type, const TilePosition& position);
 
 	Type getType() const;
 	TilePosition getTilePosition() const;

source/util/Yaml.h

@@ -21,7 +21,7 @@
 class Yaml {
 // Public functions.
 public:
-	Yaml(const std::string& filename);
+	explicit Yaml(const std::string& filename);
 	~Yaml();
 
 	std::string getFilename() const;

source/util/Yaml.inl

@@ -0,0 +1,47 @@
+/*
+ * Yaml.h
+ *
+ *  Created on: 30.03.2013
+ *      Author: Felix
+ */ 
+
+#include <SFML/System.hpp>
+
+#include "Log.h"
+
+/**
+ * Stream output operators to specialize Yaml::get for other types.
+ * Error handling is done in Yaml::get.
+ */
+namespace {
+	void operator>>(const YAML::Node& node, sf::Vector2i& vector) {
+		node[0] >> vector.x;
+		node[1] >> vector.y;
+	}
+	
+	void operator>>(const YAML::Node& node, sf::Vector2f& vector) {
+		node[0] >> vector.x;
+		node[1] >> vector.y;
+	}
+}
+
+/**
+ * Gets a value of a specified type by key. Returns default value on error.
+ *
+ * @param key The string by which to select the return value.
+ * @tparam T The type of the return value.
+ * @return The value of the specified key.
+ */
+template <typename T>
+T Yaml::get(const std::string& key, const T& defaultValue) const {
+	try {
+		const YAML::Node* node = mNode.FindValue(key);
+		T value;
+		*node >> value;
+		return value;
+	}
+	catch (YAML::InvalidScalar&) {
+		LOG_W("Failed to get key " << key << " from " << mFolder << mFilename);
+		return defaultValue;
+	}
+};