cpp/openttd-patchpack/source Changeset - r11983:0159b0bf2cf8

Changeset - r11983:0159b0bf2cf8

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rubidium - 16 years ago 2009-05-23 09:10:56
rubidium@openttd.org

(svn r16394) -Codechange: move (NewGRF) cache variables into a separate struct so (some vehicle related) NewGRF cache 'desyncs' can be tested easier.

16 files changed with 71 insertions and 53 deletions:

src/ai/api/ai_vehicle.cpp

src/aircraft.h

src/aircraft_cmd.cpp

src/articulated_vehicles.cpp

src/depot_gui.cpp

src/misc_cmd.cpp

src/newgrf_engine.cpp

src/openttd.cpp

src/roadveh.h

src/roadveh_cmd.cpp

src/roadveh_gui.cpp

src/saveload/vehicle_sl.cpp

src/train_cmd.cpp

src/vehicle.cpp

src/vehicle_base.h

src/vehicle_gui.cpp

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src/ai/api/ai_vehicle.cpp

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@@ @@ -45,7 +45,7 @@ @@
 		case VEH_ROAD: {
 			uint total_length = 0;
 			for (const Vehicle *u = v; u != NULL; u = u->Next()) {
 				total_length += ((RoadVehicle*)u)->cached_veh_length;
+				total_length += ((RoadVehicle*)u)->rcache.cached_veh_length;
+			}
 			return total_length;
+		}

src/aircraft.h

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@@ @@ -83,6 +83,11 @@ void AircraftNextAirportPos_and_Order(Ai @@
 void SetAircraftPosition(Aircraft *v, int x, int y, int z);
 byte GetAircraftFlyingAltitude(const Aircraft *v);
 /** Cached oftenly queried (NewGRF) values */
 struct AircraftCache {
 	uint16 cached_max_speed; ///< Cached maximum speed of the aircraft.
 };
 /**
  * This class 'wraps' Vehicle; you do not actually instantiate this class.
  * You create a Vehicle using AllocateVehicle, so it is added to the pool
@@ @@ -92,8 +97,9 @@ byte GetAircraftFlyingAltitude(const Air @@
  * As side-effect the vehicle type is set correctly.
  */
 struct Aircraft : public Vehicle {
 	AircraftCache acache; ///< Cache of often used calculated values
 	uint16 crashed_counter;
 	uint16 cached_max_speed;
 	byte pos;
 	byte previous_pos;
 	StationID targetairport;

src/aircraft_cmd.cpp

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@@ @@ -757,9 +757,9 @@ void UpdateAircraftCache(Aircraft *v) @@
 		/* Convert from original units to (approx) km/h */
 		max_speed = (max_speed * 129) / 10;
 		v->cached_max_speed = max_speed;
+		v->acache.cached_max_speed = max_speed;
 	} else {
 		v->cached_max_speed = 0xFFFF;
+		v->acache.cached_max_speed = 0xFFFF;
+	}
+}
@@ @@ -791,9 +791,9 @@ static int UpdateAircraftSpeed(Aircraft @@
 	 * and take-off speeds being too low. */
 	speed_limit *= _settings_game.vehicle.plane_speed;
 	if (v->cached_max_speed < speed_limit) {
+	if (v->acache.cached_max_speed < speed_limit) {
 		if (v->cur_speed < speed_limit) hard_limit = false;
 		speed_limit = v->cached_max_speed;
+		speed_limit = v->acache.cached_max_speed;
+	}
 	speed_limit = min(speed_limit, v->max_speed);

src/articulated_vehicles.cpp

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@@ @@ -334,8 +334,8 @@ void AddArticulatedParts(Vehicle *first, @@
 				RoadVehicle *rv = new RoadVehicle();
 				rv->subtype = 0;
 				previous->SetNext(u);
 				rv->first_engine = front->engine_type;
 				rv->cached_veh_length = 8; // Callback is called when the consist is finished
 				rv->rcache.first_engine = front->engine_type;
 				rv->rcache.cached_veh_length = 8; // Callback is called when the consist is finished
 				rv->state = RVSB_IN_DEPOT;
 				rv->roadtype = front->roadtype;

src/depot_gui.cpp

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@@ @@ -518,7 +518,7 @@ struct DepotWindow : Window { @@
 							break;
 						case VEH_ROAD:
 							_cursor.short_vehicle_offset = 16 - ((RoadVehicle *)v)->cached_veh_length * 2;
+							_cursor.short_vehicle_offset = 16 - ((RoadVehicle *)v)->rcache.cached_veh_length * 2;
 							break;
 						default:

src/misc_cmd.cpp

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@@ @@ -122,7 +122,7 @@ CommandCost CmdSetCompanyColour(TileInde @@
 		/* Company colour data is indirectly cached. */
 		Vehicle *v;
 		FOR_ALL_VEHICLES(v) {
 			if (v->owner == _current_company) v->cache_valid = 0;
+			if (v->owner == _current_company) v->vcache.cache_valid = 0;
+		}
+	}
 	return CommandCost();

src/newgrf_engine.cpp

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@@ @@ -436,7 +436,7 @@ static uint8 LiveryHelper(EngineID engin @@
 	} else if (v->type == VEH_TRAIN) {
 		l = GetEngineLivery(v->engine_type, v->owner, ((Train *)v)->tcache.first_engine, v);
 	} else if (v->type == VEH_ROAD) {
 		l = GetEngineLivery(v->engine_type, v->owner, ((RoadVehicle *)v)->first_engine, v);
+		l = GetEngineLivery(v->engine_type, v->owner, ((RoadVehicle *)v)->rcache.first_engine, v);
 	} else {
 		l = GetEngineLivery(v->engine_type, v->owner, INVALID_ENGINE, v);
+	}
@@ @@ -506,21 +506,21 @@ static uint32 VehicleGetVariable(const R @@
 			return GetEngineGRFID(v->engine_type);
 		case 0x40: // Get length of consist
 			if (!HasBit(v->cache_valid, 0)) {
 				v->cached_var40 = PositionHelper(v, false);
 				SetBit(v->cache_valid, 0);
 			if (!HasBit(v->vcache.cache_valid, 0)) {
 				v->vcache.cached_var40 = PositionHelper(v, false);
 				SetBit(v->vcache.cache_valid, 0);
+			}
 			return v->cached_var40;
+			return v->vcache.cached_var40;
 		case 0x41: // Get length of same consecutive wagons
 			if (!HasBit(v->cache_valid, 1)) {
 				v->cached_var41 = PositionHelper(v, true);
 				SetBit(v->cache_valid, 1);
 			if (!HasBit(v->vcache.cache_valid, 1)) {
 				v->vcache.cached_var41 = PositionHelper(v, true);
 				SetBit(v->vcache.cache_valid, 1);
+			}
 			return v->cached_var41;
+			return v->vcache.cached_var41;
 		case 0x42: // Consist cargo information
 			if (!HasBit(v->cache_valid, 2)) {
+			if (!HasBit(v->vcache.cache_valid, 2)) {
 				const Vehicle *u;
 				byte cargo_classes = 0;
 				CargoID common_cargo_best = CT_INVALID;
@@ @@ -570,17 +570,17 @@ static uint32 VehicleGetVariable(const R @@
+				}
 				uint8 common_bitnum = (common_cargo_type == CT_INVALID ? 0xFF : GetCargo(common_cargo_type)->bitnum);
 				v->cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
 				SetBit(v->cache_valid, 2);
 				v->vcache.cached_var42 = cargo_classes | (common_bitnum << 8) | (common_subtype << 16) | (user_def_data << 24);
 				SetBit(v->vcache.cache_valid, 2);
+			}
 			return v->cached_var42;
+			return v->vcache.cached_var42;
 		case 0x43: // Company information
 			if (!HasBit(v->cache_valid, 3)) {
 				v->cached_var43 = v->owner | (Company::Get(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
 				SetBit(v->cache_valid, 3);
 			if (!HasBit(v->vcache.cache_valid, 3)) {
 				v->vcache.cached_var43 = v->owner | (Company::Get(v->owner)->is_ai ? 0x10000 : 0) | (LiveryHelper(v->engine_type, v) << 24);
 				SetBit(v->vcache.cache_valid, 3);
+			}
 			return v->cached_var43;
+			return v->vcache.cached_var43;
 		case 0x44: // Aircraft information
 			if (v->type != VEH_AIRCRAFT) return UINT_MAX;
@@ @@ -889,7 +889,7 @@ static const SpriteGroup *GetVehicleSpri @@
 			group = use_cache ? ((Train *)v)->tcache.cached_override : GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, ((Train *)v)->tcache.first_engine);
 			if (group != NULL) return group;
 		} else if (v->type == VEH_ROAD) {
 			group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, ((RoadVehicle *)v)->first_engine);
+			group = GetWagonOverrideSpriteSet(v->engine_type, v->cargo_type, ((RoadVehicle *)v)->rcache.first_engine);
 			if (group != NULL) return group;
+		}
+	}

src/openttd.cpp

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@@ @@ -1119,8 +1119,11 @@ void StateGameLoop() @@
 				switch (v->type) {
 					case VEH_ROAD: {
 						extern byte GetRoadVehLength(const RoadVehicle *v);
 						if (GetRoadVehLength((RoadVehicle *)v) != ((RoadVehicle *)v)->cached_veh_length) {
 						RoadVehicle *rv = (RoadVehicle *)v;
 						RoadVehicleCache cache = rv->rcache;
 						RoadVehUpdateCache(rv);
 						if (memcmp(&cache, &rv->rcache, sizeof(RoadVehicleCache)) != 0) {
 							DEBUG(desync, 2, "cache mismatch: vehicle %i, company %i, unit number %i\n", v->index, (int)v->owner, v->unitnumber);
+						}
 					} break;
@@ @@ -1149,9 +1152,10 @@ void StateGameLoop() @@
 					case VEH_AIRCRAFT: {
 						Aircraft *a = (Aircraft *)v;
-						uint speed = a->cached_max_speed;
+						AircraftCache cache = a->acache;
 						UpdateAircraftCache(a);
 						if (speed != a->cached_max_speed) {
 						if (memcmp(&cache, &a->acache, sizeof(AircraftCache)) != 0) {
 							DEBUG(desync, 2, "cache mismatch: vehicle %i, company %i, unit number %i\n", v->index, (int)v->owner, v->unitnumber);
+						}
 					} break;

src/roadveh.h

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@@ @@ -109,6 +109,11 @@ byte GetRoadVehLength(const RoadVehicle @@
 void RoadVehUpdateCache(RoadVehicle *v);
 /** Cached oftenly queried (NewGRF) values */
 struct RoadVehicleCache {
 	byte cached_veh_length;
 	EngineID first_engine;
 };
 /**
  * This class 'wraps' Vehicle; you do not actually instantiate this class.
@@ @@ -119,6 +124,7 @@ void RoadVehUpdateCache(RoadVehicle *v); @@
  * As side-effect the vehicle type is set correctly.
  */
 struct RoadVehicle : public Vehicle {
 	RoadVehicleCache rcache; ///< Cache of often used calculated values
 	byte state;             ///< @see RoadVehicleStates
 	byte frame;
 	uint16 blocked_ctr;
@@ @@ -128,8 +134,6 @@ struct RoadVehicle : public Vehicle { @@
 	byte reverse_ctr;
 	struct RoadStop *slot;
 	byte slot_age;
 	EngineID first_engine;
 	byte cached_veh_length;
 	RoadType roadtype;
 	RoadTypes compatible_roadtypes;

src/roadveh_cmd.cpp

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@@ @@ -142,10 +142,10 @@ void RoadVehUpdateCache(RoadVehicle *v) @@
 		assert(u->First() == v);
 		/* Update the 'first engine' */
 		u->first_engine = (v == u) ? INVALID_ENGINE : v->engine_type;
+		u->rcache.first_engine = (v == u) ? INVALID_ENGINE : v->engine_type;
 		/* Update the length of the vehicle. */
 		u->cached_veh_length = GetRoadVehLength(u);
+		u->rcache.cached_veh_length = GetRoadVehLength(u);
 		/* Invalidate the vehicle colour map */
 		u->colourmap = PAL_NONE;
@@ @@ -244,7 +244,7 @@ CommandCost CmdBuildRoadVeh(TileIndex ti @@
 		v->roadtype = HasBit(EngInfo(v->engine_type)->misc_flags, EF_ROAD_TRAM) ? ROADTYPE_TRAM : ROADTYPE_ROAD;
 		v->compatible_roadtypes = RoadTypeToRoadTypes(v->roadtype);
 		v->cached_veh_length = 8;
+		v->rcache.cached_veh_length = 8;
 		v->vehicle_flags = 0;
 		if (e->flags & ENGINE_EXCLUSIVE_PREVIEW) SetBit(v->vehicle_flags, VF_BUILT_AS_PROTOTYPE);
@@ @@ -255,7 +255,7 @@ CommandCost CmdBuildRoadVeh(TileIndex ti @@
 		/* Call various callbacks after the whole consist has been constructed */
 		for (RoadVehicle *u = v; u != NULL; u = u->Next()) {
 			u->cached_veh_length = GetRoadVehLength(u);
+			u->rcache.cached_veh_length = GetRoadVehLength(u);
 			/* Cargo capacity is zero if and only if the vehicle cannot carry anything */
 			if (u->cargo_cap != 0) u->cargo_cap = GetVehicleProperty(u, 0x0F, u->cargo_cap);
+		}
@@ @@ -1582,7 +1582,7 @@ again: @@
 	 * it's on a depot tile, check if it's time to activate the next vehicle in
 	 * the chain yet. */
 	if (v->Next() != NULL && IsRoadDepotTile(v->tile)) {
 		if (v->frame == v->cached_veh_length + RVC_DEPOT_START_FRAME) {
+		if (v->frame == v->rcache.cached_veh_length + RVC_DEPOT_START_FRAME) {
 			RoadVehLeaveDepot(v->Next(), false);
+		}
+	}

src/roadveh_gui.cpp

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@@ @@ -130,7 +130,7 @@ void DrawRoadVehImage(const Vehicle *v, @@
 	int highlight_w = 0;
 	for (int dx = 0; v != NULL && dx < max_length ; v = v->Next()) {
 		int width = ((RoadVehicle *)v)->cached_veh_length;
+		int width = ((RoadVehicle *)v)->rcache.cached_veh_length;
 		if (dx + width > 0 && dx <= max_length) {
 			SpriteID pal = (v->vehstatus & VS_CRASHED) ? PALETTE_CRASH : GetVehiclePalette(v);

src/saveload/vehicle_sl.cpp

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@@ @@ -253,7 +253,7 @@ void AfterLoadVehicles(bool part_of_load @@
 		if (part_of_load) v->fill_percent_te_id = INVALID_TE_ID;
 		v->first = NULL;
 		if (v->type == VEH_TRAIN) ((Train *)v)->tcache.first_engine = INVALID_ENGINE;
 		if (v->type == VEH_ROAD)  ((RoadVehicle *)v)->first_engine = INVALID_ENGINE;
+		if (v->type == VEH_ROAD)  ((RoadVehicle *)v)->rcache.first_engine = INVALID_ENGINE;
 		v->cargo.InvalidateCache();
+	}

src/train_cmd.cpp

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@@ @@ -241,13 +241,13 @@ void TrainConsistChanged(Train *v, bool @@
 		/* Set user defined data to its default value */
 		u->tcache.user_def_data = rvi_u->user_def_data;
 		u->cache_valid = 0;
+		u->vcache.cache_valid = 0;
+	}
 	for (Train *u = v; u != NULL; u = u->Next()) {
 		/* Update user defined data (must be done before other properties) */
 		u->tcache.user_def_data = GetVehicleProperty(u, 0x25, u->tcache.user_def_data);
 		u->cache_valid = 0;
+		u->vcache.cache_valid = 0;
+	}
 	for (Train *u = v; u != NULL; u = u->Next()) {
@@ @@ -333,7 +333,7 @@ void TrainConsistChanged(Train *v, bool @@
 		if (!same_length) u->tcache.cached_veh_length = veh_len;
 		v->tcache.cached_total_length += u->tcache.cached_veh_length;
 		u->cache_valid = 0;
+		u->vcache.cache_valid = 0;
+	}
 	/* store consist weight/max speed in cache */

src/vehicle.cpp

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@@ @@ -1426,7 +1426,7 @@ SpriteID GetVehiclePalette(const Vehicle @@
 	if (v->type == VEH_TRAIN) {
 		return GetEngineColourMap(v->engine_type, v->owner, ((Train *)v)->tcache.first_engine, v);
 	} else if (v->type == VEH_ROAD) {
 		return GetEngineColourMap(v->engine_type, v->owner, ((RoadVehicle *)v)->first_engine, v);
+		return GetEngineColourMap(v->engine_type, v->owner, ((RoadVehicle *)v)->rcache.first_engine, v);
+	}
 	return GetEngineColourMap(v->engine_type, v->owner, INVALID_ENGINE, v);

src/vehicle_base.h

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@@ @@ -43,6 +43,15 @@ enum VehicleFlags { @@
 	VF_AUTOFILL_PRES_WAIT_TIME, ///< Whether non-destructive auto-fill should preserve waiting times
 };
 /** Cached oftenly queried (NewGRF) values */
 struct VehicleCache {
 	uint8 cache_valid;   ///< Whether the caches are valid
 	uint32 cached_var40; ///< Cache for NewGRF var 40
 	uint32 cached_var41; ///< Cache for NewGRF var 41
 	uint32 cached_var42; ///< Cache for NewGRF var 42
 	uint32 cached_var43; ///< Cache for NewGRF var 43
 };
 typedef Pool<Vehicle, VehicleID, 512, 64000> VehiclePool;
 extern VehiclePool _vehicle_pool;
@@ @@ -170,12 +179,7 @@ public: @@
 	byte subtype;                   ///< subtype (Filled with values from EffectVehicles/TrainSubTypes/AircraftSubTypes)
 	/* cached oftenly queried NewGRF values */
 	uint8 cache_valid;   ///< Whether the caches are valid
 	uint32 cached_var40; ///< Cache for NewGRF var 40
 	uint32 cached_var41; ///< Cache for NewGRF var 41
 	uint32 cached_var42; ///< Cache for NewGRF var 42
 	uint32 cached_var43; ///< Cache for NewGRF var 43
 	VehicleCache vcache;            ///< Cache of often used calculated values
 	/** Create a new vehicle */
 	Vehicle();

src/vehicle_gui.cpp

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@@ @@ -641,8 +641,8 @@ static int CDECL VehicleLengthSorter(con @@
 		case VEH_ROAD: {
 			const RoadVehicle *u;
 			for (u = (RoadVehicle *)*a; u != NULL; u = u->Next()) r += u->cached_veh_length;
 			for (u = (RoadVehicle *)*b; u != NULL; u = u->Next()) r -= u->cached_veh_length;
 			for (u = (RoadVehicle *)*a; u != NULL; u = u->Next()) r += u->rcache.cached_veh_length;
 			for (u = (RoadVehicle *)*b; u != NULL; u = u->Next()) r -= u->rcache.cached_veh_length;
 		} break;
 		default: NOT_REACHED();

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