(svn r26802) -Add: Command to set visibility of an engine for a company (based on patch by Juanjo).

src/command.cpp

@@ -84,6 +84,7 @@ CommandProc CmdBuildVehicle;
 CommandProc CmdSellVehicle;
 CommandProc CmdRefitVehicle;
 CommandProc CmdSendVehicleToDepot;
+CommandProc CmdSetVehicleVisibility;
 
 CommandProc CmdForceTrainProceed;
 CommandProc CmdReverseTrainDirection;
@@ -243,6 +244,7 @@ static const Command _command_proc_table[] = {
 	DEF_CMD(CmdSellVehicle,                        CMD_CLIENT_ID, CMDT_VEHICLE_CONSTRUCTION  ), // CMD_SELL_VEHICLE
 	DEF_CMD(CmdRefitVehicle,                                   0, CMDT_VEHICLE_CONSTRUCTION  ), // CMD_REFIT_VEHICLE
 	DEF_CMD(CmdSendVehicleToDepot,                             0, CMDT_VEHICLE_MANAGEMENT    ), // CMD_SEND_VEHICLE_TO_DEPOT
+	DEF_CMD(CmdSetVehicleVisibility,                           0, CMDT_COMPANY_SETTING       ), // CMD_SET_VEHICLE_VISIBILITY
 
 	DEF_CMD(CmdMoveRailVehicle,                                0, CMDT_VEHICLE_CONSTRUCTION  ), // CMD_MOVE_RAIL_VEHICLE
 	DEF_CMD(CmdForceTrainProceed,                              0, CMDT_VEHICLE_MANAGEMENT    ), // CMD_FORCE_TRAIN_PROCEED

src/command_type.h

@@ -216,6 +216,7 @@ enum Commands {
 	CMD_SELL_VEHICLE,                 ///< sell a vehicle
 	CMD_REFIT_VEHICLE,                ///< refit the cargo space of a vehicle
 	CMD_SEND_VEHICLE_TO_DEPOT,        ///< send a vehicle to a depot
+	CMD_SET_VEHICLE_VISIBILITY,       ///< hide or unhide a vehicle in the build vehicle and autoreplace GUIs
 
 	CMD_MOVE_RAIL_VEHICLE,            ///< move a rail vehicle (in the depot)
 	CMD_FORCE_TRAIN_PROCEED,          ///< proceed a train to pass a red signal

src/company_cmd.cpp

@@ -41,6 +41,8 @@
 
 #include "safeguards.h"
 
+void ClearEnginesHiddenFlagOfCompany(CompanyID cid);
+
 CompanyByte _local_company;   ///< Company controlled by the human player at this client. Can also be #COMPANY_SPECTATOR.
 CompanyByte _current_company; ///< Company currently doing an action.
 Colours _company_colours[MAX_COMPANIES];  ///< NOSAVE: can be determined from company structs.
@@ -558,6 +560,7 @@ Company *DoStartupNewCompany(bool is_ai, CompanyID company = INVALID_COMPANY)
 	RandomCompanyManagerFaceBits(c->face, (GenderEthnicity)Random(), false, false); // create a random company manager face
 
 	SetDefaultCompanySettings(c->index);
+	ClearEnginesHiddenFlagOfCompany(c->index);
 
 	GeneratePresidentName(c);
 

src/engine.cpp

@@ -655,6 +655,7 @@ void StartupOneEngine(Engine *e, Date aging_date)
 	e->age = 0;
 	e->flags = 0;
 	e->company_avail = 0;
+	e->company_hidden = 0;
 
 	/* Don't randomise the start-date in the first two years after gamestart to ensure availability
 	 * of engines in early starting games.
@@ -853,6 +854,41 @@ void EnginesDailyLoop()
 	}
 }
 
+/**
+ * Clear the 'hidden' flag for all engines of a new company.
+ * @param cid Company being created.
+ */
+void ClearEnginesHiddenFlagOfCompany(CompanyID cid)
+{
+	Engine *e;
+	FOR_ALL_ENGINES(e) {
+		SB(e->company_hidden, cid, 1, 0);
+	}
+}
+
+/**
+ * Set the visibility of an engine.
+ * @param tile Unused.
+ * @param flags Operation to perform.
+ * @param p1 Unused.
+ * @param p2 Bit 31: 0=visible, 1=hidden, other bits for the #EngineID.
+ * @param text Unused.
+ * @return The cost of this operation or an error.
+ */
+CommandCost CmdSetVehicleVisibility(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	Engine *e = Engine::GetIfValid(GB(p2, 0, 31));
+	if (e == NULL || _current_company >= MAX_COMPANIES) return CMD_ERROR;
+	if ((e->flags & ENGINE_AVAILABLE) == 0 || !HasBit(e->company_avail, _current_company)) return CMD_ERROR;
+
+	if ((flags & DC_EXEC) != 0) {
+		SB(e->company_hidden, _current_company, 1, GB(p2, 31, 1));
+		AddRemoveEngineFromAutoreplaceAndBuildWindows(e->type);
+	}
+
+	return CommandCost();
+}
+
 /**
  * Accept an engine prototype. XXX - it is possible that the top-company
  * changes while you are waiting to accept the offer? Then it becomes invalid

src/engine_base.h

@@ -37,6 +37,7 @@ struct Engine : EnginePool::PoolItem<&_engine_pool> {
 	CompanyByte preview_company;///< Company which is currently being offered a preview \c INVALID_COMPANY means no company.
 	byte preview_wait;          ///< Daily countdown timer for timeout of offering the engine to the #preview_company company.
 	CompanyMask company_avail;  ///< Bit for each company whether the engine is available for that company.
+	CompanyMask company_hidden; ///< Bit for each company whether the engine is normally hidden in the build gui for that company.
 	uint8 original_image_index; ///< Original vehicle image index, thus the image index of the overridden vehicle
 	VehicleType type;           ///< %Vehicle type, ie #VEH_ROAD, #VEH_TRAIN, etc.
 
@@ -111,6 +112,16 @@ struct Engine : EnginePool::PoolItem<&_engine_pool> {
 	Date GetLifeLengthInDays() const;
 	uint16 GetRange() const;
 
+	/**
+	 * Check whether the engine is hidden in the GUI for the given company.
+	 * @param c Company to check.
+	 * @return \c true iff the engine is hidden in the GUI for the given company.
+	 */
+	inline bool IsHidden(CompanyByte c) const
+	{
+		return c < MAX_COMPANIES && HasBit(this->company_hidden, c);
+	}
+
 	/**
 	 * Check if the engine is a ground vehicle.
 	 * @return True iff the engine is a train or a road vehicle.

src/saveload/engine_sl.cpp

@@ -40,6 +40,7 @@ static const SaveLoad _engine_desc[] = {
 	SLE_CONDNULL(1,                                                        0,  44),
 	 SLE_CONDVAR(Engine, company_avail,       SLE_FILE_U8  | SLE_VAR_U16,  0, 103),
 	 SLE_CONDVAR(Engine, company_avail,       SLE_UINT16,                104, SL_MAX_VERSION),
+	 SLE_CONDVAR(Engine, company_hidden,      SLE_UINT16,                193, SL_MAX_VERSION),
 	 SLE_CONDSTR(Engine, name,                SLE_STR, 0,                 84, SL_MAX_VERSION),
 
 	SLE_CONDNULL(16,                                                       2, 143), // old reserved space
@@ -108,6 +109,7 @@ void CopyTempEngineData()
 		e->preview_company     = se->preview_company;
 		e->preview_wait        = se->preview_wait;
 		e->company_avail       = se->company_avail;
+		e->company_hidden      = se->company_hidden;
 		if (se->name != NULL) e->name = stredup(se->name);
 	}
 

src/saveload/saveload.cpp

@@ -260,8 +260,9 @@
  *  190   26547
  *  191   26646
  *  192   26700
+ *  193   26802
  */
-extern const uint16 SAVEGAME_VERSION = 192; ///< Current savegame version of OpenTTD.
+extern const uint16 SAVEGAME_VERSION = 193; ///< Current savegame version of OpenTTD.
 
 SavegameType _savegame_type; ///< type of savegame we are loading