Implement itemzone.h

src/include/itemzone.h

@@ -6,9 +6,11 @@
 
 class ItemZone {
 	public:
+		ItemZone();
 		Item operator[](int);
-		bool remove(Item);
-		void add(Item);
+		bool remove(Item&);
+		void add(Item&);
+		bool contains(Item&);
 	private:
 		std::vector<Item> contents;
 };

src/itemzone.cpp

+#include "include/itemzone.h"
+#include <vector>
+#include <algorithm>
+
+using namespace std;
+
+ItemZone::ItemZone()
+	: contents() {
+}
+
+Item ItemZone::operator[](int i) {
+	return contents[i];
+}
+
+bool ItemZone::remove(Item& item) {
+	auto it = find(begin(contents), end(contents), item);
+	if (it != end(contents)) {
+		contents.erase(it);
+		return true;
+	}
+	return false;
+}
+
+void ItemZone::add(Item& item) {
+	contents.push_back(item);
+}
+
+bool ItemZone::contains(Item& item) {
+	return find(begin(contents), end(contents), item) != end(contents);
+}
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