1 files changed, 88 insertions, 0 deletions
diff --git a/plugins/Boltun/Engine/ValueChooser.h b/plugins/Boltun/Engine/ValueChooser.h
new file mode 100644
index 0000000000..3fb1510609
--- /dev/null
+++ b/plugins/Boltun/Engine/ValueChooser.h
@@ -0,0 +1,88 @@
+//***********************************************************
+//	Copyright © 2008 Valentin Pavlyuchenko
+//
+//	This file is part of Boltun.
+//
+//    Boltun is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 2 of the License, or
+//    (at your option) any later version.
+//
+//    Boltun is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//	  along with Boltun. If not, see <http://www.gnu.org/licenses/>.
+//
+//***********************************************************
+
+#ifndef StringChooserH
+#define StringChooserH
+
+#include <vector>
+#include <string>
+
+template<class container = std::vector<tstring> >
+class ValueChooser
+{
+private:
+	int freeNumbers;
+	bool *numbers;
+	const container data;
+	bool notifyOnReset;
+public:
+	ValueChooser(const container& vec, bool NotifyOnReset = false)
+		:data(vec), notifyOnReset(NotifyOnReset)
+	{
+		//randomize();
+		numbers = NULL;
+		UpdateLength();
+	}
+	
+	~ValueChooser()
+	{
+		delete numbers;
+	}
+	
+	void UpdateLength()
+	{
+		delete numbers; //normal if numbers == NULL
+		numbers = new bool[data.size()];
+		Reset();
+	}
+
+	void Reset()
+	{
+		for (size_t i = 0; i < data.size(); i++)
+			numbers[i] = false;
+		freeNumbers = data.size();
+	}
+
+	typename container::value_type GetString()
+	{
+		if (!freeNumbers)
+		{
+			Reset();
+			if (notifyOnReset)
+				return _T("");
+		}
+		int result;
+		while (numbers[result = rand() % data.size()])
+			;
+		freeNumbers--;
+		numbers[result] = true;
+		return data[result];
+	}
+
+	container GetContainer() const;
+};
+
+template<class container>
+container ValueChooser<container>::GetContainer() const
+{
+	return data;
+}
+
+#endif