diff -r 0c29fbc79be4 -r 4187ad809fe7 src/newgrf_industries.h
--- a/src/newgrf_industries.h	Mon Jan 07 09:19:53 2008 +0000
+++ b/src/newgrf_industries.h	Mon Jan 07 14:02:26 2008 +0000
@@ -5,7 +5,7 @@
 #ifndef NEWGRF_INDUSTRIES_H
 #define NEWGRF_INDUSTRIES_H
 
-#include "industry.h"
+#include "industry_type.h"
 #include "newgrf_spritegroup.h"
 
 /** When should the industry(tile) be triggered for random bits? */
@@ -18,6 +18,13 @@
 	INDUSTRY_TRIGGER_CARGO_DELIVERY   = 4,
 };
 
+/** From where is callback CBID_INDUSTRY_AVAILABLE been called */
+enum IndustryAvailabilityCallType {
+	IACT_MAPGENERATION,   ///< during random map generation
+	IACT_RANDOMCREATION,  ///< during creation of random ingame industry
+	IACT_USERCREATION,    ///< from the Fund/build window
+};
+
 /* in newgrf_industry.cpp */
 uint32 IndustryGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available);
 uint16 GetIndustryCallback(CallbackID callback, uint32 param1, uint32 param2, Industry *industry, IndustryType type, TileIndex tile);