(svn r21171) -Change: Reset industry build data at game start or load.

src/industry.h

@@ -151,6 +151,8 @@ struct IndustryTypeBuildData {
 	uint16 max_wait;     ///< Starting number of turns to wait (copied to #wait_count).
 	uint16 wait_count;   ///< Number of turns to wait before trying to build again.
 
+	void Reset();
+
 	void GetIndustryTypeData(IndustryType it);
 };
 
@@ -161,6 +163,8 @@ struct IndustryBuildData {
 	IndustryTypeBuildData builddata[NUM_INDUSTRYTYPES]; ///< Industry build data for every industry type.
 	uint32 wanted_inds; ///< Number of wanted industries (bits 31-16), and a fraction (bits 15-0).
 
+	void Reset();
+
 	void SetupTargetCount();
 	void TryBuildNewIndustry();
 };

src/industry_cmd.cpp

@@ -1955,6 +1955,22 @@ static void PlaceInitialIndustry(IndustryType type, bool try_hard)
 	cur_company.Restore();
 }
 
+
+/** Reset the entry. */
+void IndustryTypeBuildData::Reset()
+{
+	this->probability  = 0;
+	this->target_count = 0;
+}
+
+/** Completely reset the industry build data. */
+void IndustryBuildData::Reset()
+{
+	for (IndustryType it = 0; it < NUM_INDUSTRYTYPES; it++) {
+		this->builddata[it].Reset();
+	}
+}
+
 /**
  * This function will create random industries during game creation.
  * It will scale the amount of industries by mapsize and difficulty level.
@@ -2005,6 +2021,7 @@ void GenerateIndustries()
 		assert(industry_probs[it] > 0);
 		PlaceInitialIndustry(it, false);
 	}
+	_industry_builder.Reset();
 }
 
 /**
@@ -2541,6 +2558,8 @@ void InitializeIndustries()
 
 	Industry::ResetIndustryCounts();
 	_industry_sound_tile = 0;
+
+	_industry_builder.Reset();
 }
 
 bool IndustrySpec::IsRawIndustry() const

src/saveload/afterload.cpp

@@ -2319,8 +2319,9 @@ bool AfterLoadGame()
 		}
 	}
 
-
 	if (CheckSavegameVersion(152)) {
+		_industry_builder.Reset(); // Initialize industry build data.
+
 		/* The moment vehicles go from hidden to visible changed. This means
 		 * that vehicles don't always get visible anymore causing things to
 		 * get messed up just after loading the savegame. This fixes that. */

src/saveload/saveload.cpp

@@ -214,8 +214,9 @@
  *  149   20832
  *  150   20857
  *  151   20918
+ *  152   21171
  */
-extern const uint16 SAVEGAME_VERSION = 151; ///< current savegame version of OpenTTD
+extern const uint16 SAVEGAME_VERSION = 152; ///< Current savegame version of OpenTTD.
 
 SavegameType _savegame_type; ///< type of savegame we are loading