(svn r22713) -Feature: [NewGRF] Per vehicle custom cargo ageing period.

4 files changed, 16 insertions, 3 deletions

diff --git a/src/saveload/misc_sl.cpp b/src/saveload/misc_sl.cpp
index 2f3827ce9..ccfc7a2d3 100644
--- a/src/saveload/misc_sl.cpp
+++ b/src/saveload/misc_sl.cpp
@@ -60,6 +60,7 @@ void ResetViewportAfterLoadGame()
 	MarkWholeScreenDirty();
 }
 
+byte _age_cargo_skip_counter; ///< Skip aging of cargo? Used before savegame version 162.
 
 static const SaveLoadGlobVarList _date_desc[] = {
 	SLEG_CONDVAR(_date,                   SLE_FILE_U16 | SLE_VAR_I32,  0,  30),
@@ -67,7 +68,7 @@ static const SaveLoadGlobVarList _date_desc[] = {
 	    SLEG_VAR(_date_fract,             SLE_UINT16),
 	    SLEG_VAR(_tick_counter,           SLE_UINT16),
 	SLE_CONDNULL(2, 0, 156), // _vehicle_id_ctr_day
-	    SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
+	SLEG_CONDVAR(_age_cargo_skip_counter, SLE_UINT8,                   0, 161),
 	SLE_CONDNULL(1, 0, 45),
 	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_FILE_U16 | SLE_VAR_U32,  0, 5),
 	SLEG_CONDVAR(_cur_tileloop_tile,      SLE_UINT32,                  6, SL_MAX_VERSION),
@@ -92,7 +93,7 @@ static const SaveLoadGlobVarList _date_check_desc[] = {
 	    SLE_NULL(2),                       // _date_fract
 	    SLE_NULL(2),                       // _tick_counter
 	SLE_CONDNULL(2, 0, 156),               // _vehicle_id_ctr_day
-	    SLE_NULL(1),                       // _age_cargo_skip_counter
+	SLE_CONDNULL(1, 0, 161),               // _age_cargo_skip_counter
 	SLE_CONDNULL(1, 0, 45),
 	SLE_CONDNULL(2, 0, 5),                 // _cur_tileloop_tile
 	SLE_CONDNULL(4, 6, SL_MAX_VERSION),    // _cur_tileloop_tile
diff --git a/src/saveload/oldloader_sl.cpp b/src/saveload/oldloader_sl.cpp
index 7f1722e0f..d4ff3758a 100644
--- a/src/saveload/oldloader_sl.cpp
+++ b/src/saveload/oldloader_sl.cpp
@@ -1573,6 +1573,7 @@ static bool LoadTTDPatchExtraChunks(LoadgameState *ls, int num)
 extern TileIndex _cur_tileloop_tile;
 extern uint16 _disaster_delay;
 extern byte _trees_tick_ctr;
+extern byte _age_cargo_skip_counter; // From misc_sl.cpp
 static const OldChunks main_chunk[] = {
 	OCL_ASSERT( OC_TTD, 0 ),
 	OCL_ASSERT( OC_TTO, 0 ),
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
index 486d1d8e5..162776533 100644
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -226,8 +226,9 @@
  *  159   21962
  *  160   21974
  *  161   22567
+ *  162   22713
  */
-extern const uint16 SAVEGAME_VERSION = 161; ///< Current savegame version of OpenTTD.
+extern const uint16 SAVEGAME_VERSION = 162; ///< Current savegame version of OpenTTD.
 
 SavegameType _savegame_type; ///< type of savegame we are loading
 
diff --git a/src/saveload/vehicle_sl.cpp b/src/saveload/vehicle_sl.cpp
index b9b2d53ce..ff738c7e2 100644
--- a/src/saveload/vehicle_sl.cpp
+++ b/src/saveload/vehicle_sl.cpp
@@ -237,6 +237,8 @@ static void CheckValidVehicles()
 	}
 }
 
+extern byte _age_cargo_skip_counter; // From misc_sl.cpp
+
 /** Called after load to update coordinates */
 void AfterLoadVehicles(bool part_of_load)
 {
@@ -342,6 +344,13 @@ void AfterLoadVehicles(bool part_of_load)
 				}
 			}
 		}
+
+		if (IsSavegameVersionBefore(162)) {
+			/* Set the vehicle-local cargo age counter from the old global counter. */
+			FOR_ALL_VEHICLES(v) {
+				v->cargo_age_counter = _age_cargo_skip_counter;
+			}
+		}
 	}
 
 	CheckValidVehicles();
@@ -499,6 +508,7 @@ const SaveLoad *GetVehicleDescription(VehicleType vt)
 		     SLE_VAR(Vehicle, cargo_cap,             SLE_UINT16),
 		SLEG_CONDVAR(         _cargo_count,          SLE_UINT16,                   0,  67),
 		 SLE_CONDLST(Vehicle, cargo.packets,         REF_CARGO_PACKET,            68, SL_MAX_VERSION),
+		 SLE_CONDVAR(Vehicle, cargo_age_counter,     SLE_UINT16,                 162, SL_MAX_VERSION),
 
 		     SLE_VAR(Vehicle, day_counter,           SLE_UINT8),
 		     SLE_VAR(Vehicle, tick_counter,          SLE_UINT8),