diff -r 7629656423cc -r 4c5eedbc3ba9 src/ai/api/ai_accounting.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ai/api/ai_accounting.hpp	Sun Mar 18 18:02:27 2007 +0000
@@ -0,0 +1,60 @@
+/* $Id$ */
+
+/** @file ai_accounting.hpp everything to handle AI accounting things */
+
+#ifndef AI_ACCOUNTING_HPP
+#define AI_ACCOUNTING_HPP
+
+#include "ai_object.hpp"
+
+/**
+ * Class that handles all AI accounting related functions.
+ * Example:
+ *   {
+ *     local costs = AIAccounting();
+ *     BuildRoad(from_here, to_here);
+ *     BuildRoad(from_there, to_there);
+ *     print("Costs for route is: " + costs.GetCosts());
+ *   }
+ */
+class AIAccounting : public AIObject {
+private:
+	int32 last_costs;
+public:
+	/**
+	 * Creating instance of this class starts counting the costs of commands
+	 *   from zero.
+	 * @note when the instance is destroyed, he restores the costs that was
+	 *   current when the instance was created!
+	 */
+	AIAccounting();
+
+	/**
+	 * Destroying this instance reset the costs to the value it was
+	 *   in when the instance was created.
+	 */
+	~AIAccounting();
+
+	/**
+	 * Get the current value of the costs.
+	 */
+	int32 GetCosts();
+
+	/**
+	 * Reset the costs to zero.
+	 */
+	void ResetCosts();
+};
+
+#ifdef DEFINE_SQUIRREL_CLASS
+void SQAIAccountingRegister(Squirrel *engine) {
+	DefSQClass <AIAccounting> SQAIAccounting("AIAccounting");
+	SQAIAccounting.PreRegister(engine);
+	SQAIAccounting.AddConstructor(engine);
+	SQAIAccounting.DefSQFunction(engine, &AIAccounting::GetCosts, "GetCosts");
+	SQAIAccounting.DefSQFunction(engine, &AIAccounting::ResetCosts, "ResetCosts");
+	SQAIAccounting.PostRegister(engine);
+}
+#endif /* SQUIRREL_CLASS */
+
+#endif /* AI_ACCOUNTING_HPP */