5 files changed, 41 insertions, 40 deletions

diff --git a/common/action.cpp b/common/action.cpp
index 58b7392..77988d6 100644
--- a/common/action.cpp
+++ b/common/action.cpp
@@ -12,11 +12,3 @@ Action::Action(Type ty, int ta) : type(ty), target(ta) {
 bool Action::operator==(const Action& other) {
 	return type == other.type && target == other.target;
 }
-
-Actions::operator bool() {
-	return !empty();
-}
-
-bool Actions::contains(Action action) {
-	return std::find(begin(), end(), action) != end();
-}
diff --git a/common/action.h b/common/action.h
index 4024c67..e1b06f2 100644
--- a/common/action.h
+++ b/common/action.h
@@ -1,8 +1,7 @@
 #ifndef ACTION_H
 #define ACTION_H
 
-#include <vector>
-#include <boost/serialization/base_object.hpp>
+#include "list.h"
 
 class Action {
 	public:
@@ -39,18 +38,6 @@ class Action {
 };
 
 //! List of actions.
-class Actions : public std::vector<Action> {
-	public:
-		//! Check if specified action is present in list.
-		bool contains(Action action);
-		
-		//! Check whether list is empty or not.
-		operator bool();
-		
-		template<class Archive>
-		void serialize(Archive & ar, const unsigned int version) {
-			ar & boost::serialization::base_object<std::vector<Action> >(*this);
-		}
-};
+typedef List<Action> Actions;
 
 #endif
diff --git a/common/list.h b/common/list.h
new file mode 100644
index 0000000..92452f1
--- /dev/null
+++ b/common/list.h
@@ -0,0 +1,34 @@
+#ifndef LIST_H
+#define LIST_H
+
+#include <vector>
+#include <algorithm>
+#include <boost/serialization/base_object.hpp>
+
+//! List class with extended functionality over std::vector.
+template<class T, class B = std::vector<T> >
+class List : public B {
+	public:
+		//! Sort the list.
+		void sort() {
+			std::sort(B::begin(), B::end());
+		}
+		
+		//! Check if specified item is present in list.
+		bool contains(T item) {
+			return std::find(B::begin(), B::end(), item) != B::end();
+		}
+		
+		//! Check whether list is empty or not.
+		operator bool() {
+			return !B::empty();
+		}
+		
+		//! Allow serialization through Boost.Serialize.
+		template<class Archive>
+		void serialize(Archive & ar, const unsigned int version) {
+			ar & boost::serialization::base_object<B>(*this);
+		}
+};
+
+#endif
diff --git a/common/tile.cpp b/common/tile.cpp
index 5a05548..0fb2230 100644
--- a/common/tile.cpp
+++ b/common/tile.cpp
@@ -59,7 +59,3 @@ Tile Tile::operator++(int) {
 	type = Type(type + 1);
 	return *this;
 }
-
-void Tiles::sort() {
-	std::sort(begin(), end());
-}
diff --git a/common/tile.h b/common/tile.h
index fe25a06..748d80b 100644
--- a/common/tile.h
+++ b/common/tile.h
@@ -1,9 +1,7 @@
 #ifndef TILE_H
 #define TILE_H
 
-#include <stdint.h>
-#include <vector>
-#include <boost/serialization/base_object.hpp>
+#include "list.h"
 
 class Tile {
 	public:
@@ -99,15 +97,9 @@ class Tile {
 };
 
 //! List of tiles.
-class Tiles : public std::vector<Tile> {
-	public:
-		//! Sort the list of tiles.
-		void sort();
-		
-		template<class Archive>
-		void serialize(Archive & ar, const unsigned int version) {
-			ar & boost::serialization::base_object<std::vector<Tile> >(*this);
-		}
-};
+typedef List<Tile> Tiles;
+
+//! List of list of tiles.
+typedef List<Tiles> Tilegroups;
 
 #endif