diff -r 760b7b504e37 -r bc8c06513f5b src/ai/api/ai_industry.hpp
--- a/src/ai/api/ai_industry.hpp	Fri Jul 13 13:49:39 2007 +0000
+++ b/src/ai/api/ai_industry.hpp	Fri Jul 13 14:14:26 2007 +0000
@@ -50,13 +50,23 @@
 	char *GetName(IndustryID industry_id);
 
 	/**
+	 * Gets the production of a cargo of the industry.
+	 * @param industry_id the index of the industry.
+	 * @param cargo_id the index of the cargo.
+	 * @pre industry_id has to be valid (use IsValidIndustry()).
+	 * @pre cargo_id has to be valid (use IsValidCargo()).
+	 * @return the production of the cargo for this industry.
+	 */
+	static TileIndex GetProduction(IndustryID industry_id, CargoID cargo_id);
+
+	/**
 	 * Gets the location of the industry.
-	 * @param industry_id the location of the industry.
+	 * @param industry_id the index of the industry.
 	 * @pre industry_id has to be valid (use IsValidIndustry()).
 	 * @return the location of the industry.
 	 * @post return value is always positive and below AIMap::GetMapSize().
 	 */
-	TileIndex GetLocation(IndustryID industry_id);
+	static TileIndex GetLocation(IndustryID industry_id);
 };
 
 #endif /* AI_INDUSTRY_HPP */