(svn r21969) -Feature: Introduce 'minimal' number of industries as a replacment for the old 'none' setting in the newgame window.

src/genworld_gui.cpp

@@ -336,7 +336,7 @@ static const StringID _tree_placer[] = {STR_CONFIG_SETTING_TREE_PLACER_NONE, STR
 static const StringID _rotation[]    = {STR_CONFIG_SETTING_HEIGHTMAP_ROTATION_COUNTER_CLOCKWISE, STR_CONFIG_SETTING_HEIGHTMAP_ROTATION_CLOCKWISE, INVALID_STRING_ID};
 static const StringID _landscape[]   = {STR_CONFIG_SETTING_LAND_GENERATOR_ORIGINAL, STR_CONFIG_SETTING_LAND_GENERATOR_TERRA_GENESIS, INVALID_STRING_ID};
 static const StringID _num_towns[]   = {STR_NUM_VERY_LOW, STR_NUM_LOW, STR_NUM_NORMAL, STR_NUM_HIGH, STR_NUM_CUSTOM, INVALID_STRING_ID};
-static const StringID _num_inds[]    = {STR_NONE, STR_NUM_VERY_LOW, STR_NUM_LOW, STR_NUM_NORMAL, STR_NUM_HIGH, INVALID_STRING_ID};
+static const StringID _num_inds[]    = {STR_NONE, STR_MINIMAL, STR_NUM_VERY_LOW, STR_NUM_LOW, STR_NUM_NORMAL, STR_NUM_HIGH, INVALID_STRING_ID};
 static const StringID _variety[]     = {STR_VARIETY_NONE, STR_VARIETY_VERY_LOW, STR_VARIETY_LOW, STR_VARIETY_MEDIUM, STR_VARIETY_HIGH, STR_VARIETY_VERY_HIGH, INVALID_STRING_ID};
 
 struct GenerateLandscapeWindow : public QueryStringBaseWindow {

src/industry_cmd.cpp

@@ -1895,6 +1895,7 @@ static uint GetNumberOfIndustries()
 	/* Number of industries on a 256x256 map. */
 	static const uint16 numof_industry_table[] = {
 		0,    // none
+		0,    // minimal
 		10,   // very low
 		25,   // low
 		55,   // normal
@@ -2009,10 +2010,7 @@ void IndustryBuildData::MonthlyLoop()
  */
 void GenerateIndustries()
 {
-	uint total_amount = GetNumberOfIndustries();
+	if (_settings_game.difficulty.number_industries == 0) return; // No industries.
-
-	/* Do not create any industries? */
-	if (total_amount == 0) return;
 
 	uint32 industry_probs[NUM_INDUSTRYTYPES];
 	bool force_at_least_one[NUM_INDUSTRYTYPES];
@@ -2025,6 +2023,7 @@ void GenerateIndustries()
 		if (force_at_least_one[it]) num_forced++;
 	}
 
+	uint total_amount = GetNumberOfIndustries();
 	if (total_prob == 0 || total_amount < num_forced) {
 		/* Only place the forced ones */
 		total_amount = num_forced;

src/lang/english.txt

@@ -1027,6 +1027,7 @@ STR_DIFFICULTY_LEVEL_SETTING_CITY_APPROVAL                      :{LTBLUE}City co
 ############ range for difficulty settings ends
 
 STR_NONE                                                        :None
+STR_MINIMAL                                                     :Minimal
 STR_NUM_VERY_LOW                                                :Very Low
 STR_NUM_LOW                                                     :Low
 STR_NUM_NORMAL                                                  :Normal

src/saveload/afterload.cpp

@@ -2561,6 +2561,14 @@ bool AfterLoadGame()
 		_settings_game.pf.reverse_at_signals = IsSavegameVersionBefore(100) || (_settings_game.pf.wait_oneway_signal != 255 && _settings_game.pf.wait_twoway_signal != 255 && _settings_game.pf.wait_for_pbs_path != 255);
 	}
 
+	if (IsSavegameVersionBefore(160)) {
+		/* Setting difficulty number_industries other than zero get bumped to +1
+		 * since a new option (very low at position1) has been added */
+		if (_settings_game.difficulty.number_industries > 0) {
+			_settings_game.difficulty.number_industries++;
+		}
+	}
+
 	/* Road stops is 'only' updating some caches */
 	AfterLoadRoadStops();
 	AfterLoadLabelMaps();

src/saveload/saveload.cpp

@@ -224,8 +224,9 @@
  *  157   21862
  *  158   21933
  *  159   21962
+ *  160   21968
  */
-extern const uint16 SAVEGAME_VERSION = 159; ///< Current savegame version of OpenTTD.
+extern const uint16 SAVEGAME_VERSION = 160; ///< Current savegame version of OpenTTD.
 
 SavegameType _savegame_type; ///< type of savegame we are loading
 

src/table/settings.h

@@ -347,7 +347,7 @@ const SettingDesc _settings[] = {
 	 SDT_CONDVAR(GameSettings, difficulty.max_no_competitors,        SLE_UINT8, 97, SL_MAX_VERSION, 0, 0,     0,0,MAX_COMPANIES-1,1,STR_NULL,                                  MaxNoAIsChange),
 	SDT_CONDNULL(                                                            1, 97, 109),
 	 SDT_CONDVAR(GameSettings, difficulty.number_towns,              SLE_UINT8, 97, SL_MAX_VERSION, 0,NG,     2,     0,      4,  1, STR_NUM_VERY_LOW,                          DifficultyChange),
-	 SDT_CONDVAR(GameSettings, difficulty.number_industries,         SLE_UINT8, 97, SL_MAX_VERSION, 0,NG,     4,     0,      4,  1, STR_NONE,                                  DifficultyChange),
+	 SDT_CONDVAR(GameSettings, difficulty.number_industries,         SLE_UINT8, 97, SL_MAX_VERSION, 0,NG,     5,     0,      5,  1, STR_NONE,                                  DifficultyChange),
 	 SDT_CONDVAR(GameSettings, difficulty.max_loan,                 SLE_UINT32, 97, SL_MAX_VERSION, 0,NS|CR,300000,100000,500000,50000,STR_NULL,                               DifficultyChange),
 	 SDT_CONDVAR(GameSettings, difficulty.initial_interest,          SLE_UINT8, 97, SL_MAX_VERSION, 0,NS,     2,     2,      4,  1, STR_NULL,                                  DifficultyChange),
 	 SDT_CONDVAR(GameSettings, difficulty.vehicle_costs,             SLE_UINT8, 97, SL_MAX_VERSION, 0,NS,     0,     0,      2,  1, STR_SEA_LEVEL_LOW,                         DifficultyChange),