cpp/openttd-patchpack/source Changeset - r19723:ed364738c640

Changeset - r19723:ed364738c640

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alberth - 12 years ago 2012-11-10 20:37:31
alberth@openttd.org

(svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.

15 files changed with 173 insertions and 29 deletions:

src/newgrf_airport.cpp

src/newgrf_airporttiles.cpp

src/newgrf_canal.cpp

src/newgrf_cargo.cpp

src/newgrf_debug_gui.cpp

src/newgrf_engine.cpp

src/newgrf_generic.cpp

src/newgrf_house.cpp

src/newgrf_industries.cpp

src/newgrf_industrytiles.cpp

src/newgrf_object.cpp

src/newgrf_railtype.cpp

src/newgrf_spritegroup.cpp

122

src/newgrf_spritegroup.h

src/newgrf_station.cpp

0 comments (0 inline, 0 general)

src/newgrf_airport.cpp

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@@ @@ -214,13 +214,13 @@ void AirportStorePSA(ResolverObject *obj @@
 static void NewAirportResolver(ResolverObject *res, TileIndex tile, Station *st, byte airport_id, byte layout)
+{
 	res->GetRandomBits = AirportGetRandomBits;
 	res->GetTriggers   = AirportGetTriggers;
 	res->SetTriggers   = AirportSetTriggers;
 	res->GetVariable   = AirportGetVariable;
-	res->ResolveReal   = AirportResolveReal;
+	res->ResolveRealMethod = AirportResolveReal;
 	res->StorePSA      = AirportStorePSA;
 	res->u.airport.st         = st;
 	res->u.airport.airport_id = airport_id;
 	res->u.airport.layout     = layout;
 	res->u.airport.tile       = tile;

src/newgrf_airporttiles.cpp

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@@ @@ -223,13 +223,13 @@ static uint32 AirportTileGetRandomBits(c @@
 static void AirportTileResolver(ResolverObject *res, const AirportTileSpec *ats, TileIndex tile, Station *st)
+{
 	res->GetRandomBits = AirportTileGetRandomBits;
 	res->GetTriggers   = NULL;
 	res->SetTriggers   = NULL;
 	res->GetVariable   = AirportTileGetVariable;
-	res->ResolveReal   = AirportTileResolveReal;
+	res->ResolveRealMethod = AirportTileResolveReal;
 	res->StorePSA      = NULL;
 	assert(st != NULL);
 	res->u.airport.airport_id = st->airport.type;
 	res->u.airport.st         = st;
 	res->u.airport.tile       = tile;

src/newgrf_canal.cpp

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@@ @@ -79,13 +79,13 @@ static const SpriteGroup *CanalResolveRe @@
 static void NewCanalResolver(ResolverObject *res, TileIndex tile, const GRFFile *grffile)
+{
 	res->GetRandomBits = &CanalGetRandomBits;
 	res->GetTriggers   = &CanalGetTriggers;
 	res->SetTriggers   = &CanalSetTriggers;
 	res->GetVariable   = &CanalGetVariable;
-	res->ResolveReal   = &CanalResolveReal;
+	res->ResolveRealMethod = &CanalResolveReal;
 	res->u.canal.tile = tile;
 	res->callback        = CBID_NO_CALLBACK;
 	res->callback_param1 = 0;
 	res->callback_param2 = 0;

src/newgrf_cargo.cpp

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@@ @@ -54,13 +54,13 @@ static const SpriteGroup *CargoResolveRe @@
 static void NewCargoResolver(ResolverObject *res, const CargoSpec *cs)
+{
 	res->GetRandomBits = &CargoGetRandomBits;
 	res->GetTriggers   = &CargoGetTriggers;
 	res->SetTriggers   = &CargoSetTriggers;
 	res->GetVariable   = &CargoGetVariable;
-	res->ResolveReal   = &CargoResolveReal;
+	res->ResolveRealMethod = &CargoResolveReal;
 	res->u.cargo.cs = cs;
 	res->callback        = CBID_NO_CALLBACK;
 	res->callback_param1 = 0;
 	res->callback_param2 = 0;

src/newgrf_debug_gui.cpp

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@@ @@ -159,13 +159,13 @@ public: @@
 	 */
 	virtual uint Resolve(uint index, uint var, uint param, bool *avail) const
+	{
 		ResolverObject ro;
 		memset(&ro, 0, sizeof(ro));
 		this->Resolve(&ro, index);
-		return ro.GetVariable(&ro, var, param, avail);
+		return ro.GetScope(ro.scope)->GetVariable(var, param, avail);
+	}
 	/**
 	 * Used to decide if the PSA needs a parameter or not.
 	 * @return True iff this item has a PSA that requires a parameter.
 	 */

src/newgrf_engine.cpp

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@@ @@ -935,13 +935,13 @@ static const SpriteGroup *VehicleResolve @@
 static inline void NewVehicleResolver(ResolverObject *res, EngineID engine_type, const Vehicle *v)
+{
 	res->GetRandomBits = &VehicleGetRandomBits;
 	res->GetTriggers   = &VehicleGetTriggers;
 	res->SetTriggers   = &VehicleSetTriggers;
 	res->GetVariable   = &VehicleGetVariable;
-	res->ResolveReal   = &VehicleResolveReal;
+	res->ResolveRealMethod = &VehicleResolveReal;
 	res->u.vehicle.self   = v;
 	res->u.vehicle.parent = (v != NULL) ? v->First() : v;
 	res->u.vehicle.self_type = engine_type;
 	res->u.vehicle.info_view = false;
@@ @@ -1327,12 +1327,12 @@ void FillNewGRFVehicleCache(const Vehicl @@
 	/* Resolve all the variables, so their caches are set. */
 	for (size_t i = 0; i < lengthof(cache_entries); i++) {
 		/* Only resolve when the cache isn't valid. */
 		if (HasBit(v->grf_cache.cache_valid, cache_entries[i][1])) continue;
 		bool stub;
-		ro.GetVariable(&ro, cache_entries[i][0], 0, &stub);
+		ro.GetScope(ro.scope)->GetVariable(cache_entries[i][0], 0, &stub);
+	}
 	/* Make sure really all bits are set. */
 	assert(v->grf_cache.cache_valid == (1 << NCVV_END) - 1);
+}

src/newgrf_generic.cpp

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@@ @@ -127,13 +127,13 @@ static const SpriteGroup *GenericCallbac @@
 static inline void NewGenericResolver(ResolverObject *res, bool ai_callback)
+{
 	res->GetRandomBits = &GenericCallbackGetRandomBits;
 	res->GetTriggers   = &GenericCallbackGetTriggers;
 	res->SetTriggers   = &GenericCallbackSetTriggers;
 	res->GetVariable   = ai_callback ? &GenericAiCallbackGetVariable : &GenericCallbackGetVariable;
-	res->ResolveReal   = &GenericCallbackResolveReal;
+	res->ResolveRealMethod = &GenericCallbackResolveReal;
 	res->callback        = CBID_NO_CALLBACK;
 	res->callback_param1 = 0;
 	res->callback_param2 = 0;
 	res->ResetState();
+}

src/newgrf_house.cpp

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@@ @@ -420,13 +420,13 @@ void HouseStorePSA(ResolverObject *objec @@
 static void NewHouseResolver(ResolverObject *res, HouseID house_id, TileIndex tile, Town *town)
+{
 	res->GetRandomBits = HouseGetRandomBits;
 	res->GetTriggers   = HouseGetTriggers;
 	res->SetTriggers   = HouseSetTriggers;
 	res->GetVariable   = HouseGetVariable;
-	res->ResolveReal   = HouseResolveReal;
+	res->ResolveRealMethod = HouseResolveReal;
 	res->StorePSA      = HouseStorePSA;
 	res->u.house.tile     = tile;
 	res->u.house.town     = town;
 	res->u.house.house_id = house_id;
 	res->u.house.not_yet_constructed = false;

src/newgrf_industries.cpp

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@@ @@ -407,13 +407,13 @@ void IndustryStorePSA(ResolverObject *ob @@
 static void NewIndustryResolver(ResolverObject *res, TileIndex tile, Industry *indus, IndustryType type)
+{
 	res->GetRandomBits = IndustryGetRandomBits;
 	res->GetTriggers   = IndustryGetTriggers;
 	res->SetTriggers   = IndustrySetTriggers;
 	res->GetVariable   = IndustryGetVariable;
-	res->ResolveReal   = IndustryResolveReal;
+	res->ResolveRealMethod = IndustryResolveReal;
 	res->StorePSA      = IndustryStorePSA;
 	res->u.industry.tile = tile;
 	res->u.industry.ind  = indus;
 	res->u.industry.gfx  = INVALID_INDUSTRYTILE;
 	res->u.industry.type = type;

src/newgrf_industrytiles.cpp

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@@ @@ -173,13 +173,13 @@ void IndustryTileStorePSA(ResolverObject @@
 static void NewIndustryTileResolver(ResolverObject *res, IndustryGfx gfx, TileIndex tile, Industry *indus)
+{
 	res->GetRandomBits = IndustryTileGetRandomBits;
 	res->GetTriggers   = IndustryTileGetTriggers;
 	res->SetTriggers   = IndustryTileSetTriggers;
 	res->GetVariable   = IndustryTileGetVariable;
-	res->ResolveReal   = IndustryTileResolveReal;
+	res->ResolveRealMethod = IndustryTileResolveReal;
 	res->StorePSA      = IndustryTileStorePSA;
 	res->u.industry.tile = tile;
 	res->u.industry.ind  = indus;
 	res->u.industry.gfx  = gfx;
 	res->u.industry.type = indus->type;

src/newgrf_object.cpp

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@@ @@ -395,13 +395,13 @@ void ObjectStorePSA(ResolverObject *obje @@
 static void NewObjectResolver(ResolverObject *res, const ObjectSpec *spec, Object *o, TileIndex tile, uint8 view = 0)
+{
 	res->GetRandomBits = ObjectGetRandomBits;
 	res->GetTriggers   = ObjectGetTriggers;
 	res->SetTriggers   = ObjectSetTriggers;
 	res->GetVariable   = ObjectGetVariable;
-	res->ResolveReal   = ObjectResolveReal;
+	res->ResolveRealMethod = ObjectResolveReal;
 	res->StorePSA      = ObjectStorePSA;
 	res->u.object.o    = o;
 	res->u.object.tile = tile;
 	res->u.object.view = view;

src/newgrf_railtype.cpp

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@@ @@ -80,13 +80,13 @@ static const SpriteGroup *RailTypeResolv @@
 static inline void NewRailTypeResolver(ResolverObject *res, TileIndex tile, TileContext context, const GRFFile *grffile, uint32 param1 = 0, uint32 param2 = 0)
+{
 	res->GetRandomBits = &RailTypeGetRandomBits;
 	res->GetTriggers   = &RailTypeGetTriggers;
 	res->SetTriggers   = &RailTypeSetTriggers;
 	res->GetVariable   = &RailTypeGetVariable;
-	res->ResolveReal   = &RailTypeResolveReal;
+	res->ResolveRealMethod = &RailTypeResolveReal;
 	res->u.routes.tile = tile;
 	res->u.routes.context = context;
 	res->callback        = CBID_NO_CALLBACK;
 	res->callback_param1 = param1;

src/newgrf_spritegroup.cpp

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@@ @@ -7,12 +7,13 @@ @@
  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file newgrf_spritegroup.cpp Handling of primarily NewGRF action 2. */
 #include "stdafx.h"
 #include "debug.h"
 #include "newgrf_spritegroup.h"
 #include "core/pool_func.hpp"
 SpriteGroupPool _spritegroup_pool("SpriteGroup");
 INSTANTIATE_POOL_METHODS(SpriteGroup)
@@ @@ -33,38 +34,147 @@ RandomizedSpriteGroup::~RandomizedSprite @@
 	free(this->groups);
+}
 TemporaryStorageArray<int32, 0x110> _temp_store;
 static inline uint32 GetVariable(const ResolverObject *object, byte variable, uint32 parameter, bool *available)
+static inline uint32 GetVariable(const ResolverObject *object, ScopeResolver *scope, byte variable, uint32 parameter, bool *available)
+{
 	/* First handle variables common with Action7/9/D */
 	uint32 value;
 	if (GetGlobalVariable(variable, &value, object->grffile)) return value;
 	/* Non-common variable */
 	switch (variable) {
 		case 0x0C: return object->callback;
 		case 0x10: return object->callback_param1;
 		case 0x18: return object->callback_param2;
 		case 0x1C: return object->last_value;
-		case 0x5F: return (object->GetRandomBits(object) << 8) | object->GetTriggers(object);
+		case 0x5F: return (scope->GetRandomBits() << 8) | scope->GetTriggers();
 		case 0x7D: return _temp_store.GetValue(parameter);
 		case 0x7F:
 			if (object == NULL || object->grffile == NULL) return 0;
 			return object->grffile->GetParam(parameter);
 		/* Not a common variable, so evalute the feature specific variables */
-		default: return object->GetVariable(object, variable, parameter, available);
+		default: return scope->GetVariable(variable, parameter, available);
+	}
+}
 ScopeResolver::ScopeResolver(ResolverObject *ro)
+{
 	this->ro = ro;
+}
 ScopeResolver::~ScopeResolver() {}
 /**
  * Get a few random bits. Default implementation has no random bits.
  * @return Random bits.
  */
 /* virtual */ uint32 ScopeResolver::GetRandomBits() const
+{
 	return 0;
+}
 /**
  * Get the triggers. Base class returns \c 0 to prevent trouble.
  * @return The triggers.
  */
 /* virtual */ uint32 ScopeResolver::GetTriggers() const
+{
 	return 0;
+}
 /**
  * Set the triggers. Base class implementation does nothing.
  * @param triggers Triggers to set.
  */
 /* virtual */ void ScopeResolver::SetTriggers(int triggers) const {}
 /**
  * Get a variable value. Default implementation has no available variables.
  * @param variable Variable to read
  * @param parameter Parameter for 60+x variables
  * @param[out] available Set to false, in case the variable does not exist.
  * @return Value
  */
 /* virtual */ uint32 ScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
+{
 	DEBUG(grf, 1, "Unhandled scope variable 0x%X", variable);
 	*available = false;
 	return UINT_MAX;
+}
 /**
  * Store a value into the persistent storage area (PSA). Default implementation does nothing (for newgrf classes without storage).
  * @param pos Position to store into.
  * @param value Value to store.
  */
 /* virtual */ void ScopeResolver::StorePSA(uint reg, int32 value) {}
 TempScopeResolver::TempScopeResolver(ResolverObject *ro) : ScopeResolver(ro) {}
 /* virtual */ uint32 TempScopeResolver::GetRandomBits() const
+{
 	return this->ro->GetRandomBits(this->ro);
+}
 /* virtual */ uint32 TempScopeResolver::GetTriggers() const
+{
 	return this->ro->GetTriggers(this->ro);
+}
 /* virtual */ void TempScopeResolver::SetTriggers(int triggers) const
+{
 	this->ro->SetTriggers(this->ro, triggers);
+}
 /* virtual */ uint32 TempScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
+{
 	return this->ro->GetVariable(this->ro, variable, parameter, available);
+}
 /* virtual */ void TempScopeResolver::StorePSA(uint reg, int32 value)
+{
 	if (this->ro->StorePSA != NULL) this->ro->StorePSA(this->ro, reg, value);
+}
 ResolverObject::ResolverObject() : temp_scope(this) {} // XXX Temporary
 ResolverObject::ResolverObject(const GRFFile *grffile, CallbackID callback, uint32 callback_param1, uint32 callback_param2) : temp_scope(this)
+{
 	this->callback = callback;
 	this->callback_param1 = callback_param1;
 	this->callback_param2 = callback_param2;
 	this->ResetState();
 	this->grffile = grffile;
+}
 ResolverObject::~ResolverObject() {}
 /* virtual */ const SpriteGroup *ResolverObject::ResolveReal(const RealSpriteGroup *group) const
+{
 	return this->ResolveRealMethod(this, group);
+}
 /**
  * Get a specific ScopeResolver.
  * @param scope Scope to return.
  * @param relative Additional parameter for #VSG_SCOPE_RELATIVE.
  * @return ScopeResolver.
  */
 /* virtual */ ScopeResolver *ResolverObject::GetScope(VarSpriteGroupScope scope, byte relative)
+{
 	return &this->temp_scope;
+}
 /**
  * Rotate val rot times to the right
  * @param val the value to rotate
  * @param rot the amount of times to rotate
  * @return the rotated value
@@ @@ -108,13 +218,13 @@ static U EvalAdjustT(const Deterministic @@
 		case DSGA_OP_MUL:  return last_value * value;
 		case DSGA_OP_AND:  return last_value & value;
 		case DSGA_OP_OR:   return last_value | value;
 		case DSGA_OP_XOR:  return last_value ^ value;
 		case DSGA_OP_STO:  _temp_store.StoreValue((U)value, (S)last_value); return last_value;
 		case DSGA_OP_RST:  return value;
-		case DSGA_OP_STOP: if (object->StorePSA != NULL) object->StorePSA(object, (U)value, (S)last_value); return last_value;
+		case DSGA_OP_STOP: object->GetScope(object->scope)->StorePSA((U)value, (S)last_value); return last_value;
 		case DSGA_OP_ROR:  return RotateRight(last_value, value);
 		case DSGA_OP_SCMP: return ((S)last_value == (S)value) ? 1 : ((S)last_value < (S)value ? 0 : 2);
 		case DSGA_OP_UCMP: return ((U)last_value == (U)value) ? 1 : ((U)last_value < (U)value ? 0 : 2);
 		case DSGA_OP_SHL:  return (U)last_value << ((U)value & 0x1F); // mask 'value' to 5 bits, which should behave the same on all architectures.
 		case DSGA_OP_SHR:  return (U)last_value >> ((U)value & 0x1F);
 		case DSGA_OP_SAR:  return (S)last_value >> ((U)value & 0x1F);
@@ @@ -145,15 +255,15 @@ const SpriteGroup *DeterministicSpriteGr @@
+			}
 			/* Reset values to current scope.
 			 * Note: 'last_value' and 'reseed' are shared between the main chain and the procedure */
 			object->scope = this->var_scope;
 		} else if (adjust->variable == 0x7B) {
 			value = GetVariable(object, adjust->parameter, last_value, &available);
+			value = GetVariable(object, object->GetScope(this->var_scope), adjust->parameter, last_value, &available);
 		} else {
 			value = GetVariable(object, adjust->variable, adjust->parameter, &available);
+			value = GetVariable(object, object->GetScope(this->var_scope), adjust->variable, adjust->parameter, &available);
+		}
 		if (!available) {
 			/* Unsupported variable: skip further processing and return either
 			 * the group from the first range or the default group. */
 			return SpriteGroup::Resolve(this->num_ranges > 0 ? this->ranges[0].group : this->default_group, object);
@@ @@ -187,45 +297,43 @@ const SpriteGroup *DeterministicSpriteGr @@
 	return SpriteGroup::Resolve(this->default_group, object);
+}
 const SpriteGroup *RandomizedSpriteGroup::Resolve(ResolverObject *object) const
+{
 	uint32 mask;
 	byte index;
 	object->scope = this->var_scope;
 	object->count = this->count;
 	ScopeResolver *scope = object->GetScope(this->var_scope, this->count);
 	if (object->trigger != 0) {
 		/* Handle triggers */
 		/* Magic code that may or may not do the right things... */
-		byte waiting_triggers = object->GetTriggers(object);
+		byte waiting_triggers = scope->GetTriggers();
 		byte match = this->triggers & (waiting_triggers | object->trigger);
 		bool res = (this->cmp_mode == RSG_CMP_ANY) ? (match != 0) : (match == this->triggers);
 		if (res) {
 			waiting_triggers &= ~match;
 			object->reseed[this->var_scope] |= (this->num_groups - 1) << this->lowest_randbit;
 		} else {
 			waiting_triggers |= object->trigger;
+		}
-		object->SetTriggers(object, waiting_triggers);
+		scope->SetTriggers(waiting_triggers);
+	}
 	mask  = (this->num_groups - 1) << this->lowest_randbit;
 	index = (object->GetRandomBits(object) & mask) >> this->lowest_randbit;
 	uint32 mask  = (this->num_groups - 1) << this->lowest_randbit;
 	byte index = (scope->GetRandomBits() & mask) >> this->lowest_randbit;
 	return SpriteGroup::Resolve(this->groups[index], object);
+}
 const SpriteGroup *RealSpriteGroup::Resolve(ResolverObject *object) const
+{
-	return object->ResolveReal(object, this);
 	return object->ResolveReal(this);
+}
 /**
  * Process registers and the construction stage into the sprite layout.
  * The passed construction stage might get reset to zero, if it gets incorporated into the layout
  * during the preprocessing.

src/newgrf_spritegroup.h

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@@ @@ -298,14 +298,46 @@ struct IndustryProductionSpriteGroup : S @@
 	uint8 version;
 	int16 subtract_input[3];  // signed
 	uint16 add_output[2];     // unsigned
 	uint8 again;
 };
 struct ResolverObject;
 struct ScopeResolver {
 	ResolverObject *ro;
 	ScopeResolver(ResolverObject *ro);
 	virtual ~ScopeResolver();
 	virtual uint32 GetRandomBits() const;
 	virtual uint32 GetTriggers() const;
 	virtual void SetTriggers(int triggers) const;
 	virtual uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
 	virtual void StorePSA(uint reg, int32 value);
 };
 struct TempScopeResolver : public ScopeResolver {
 	TempScopeResolver(ResolverObject *ro);
 	virtual uint32 GetRandomBits() const;
 	virtual uint32 GetTriggers() const;
 	virtual void SetTriggers(int triggers) const;
 	virtual uint32 GetVariable(byte variable, uint32 parameter, bool *available) const;
 	virtual void StorePSA(uint reg, int32 value);
 };
 struct ResolverObject {
 	ResolverObject();
 	ResolverObject(const GRFFile *grffile, CallbackID callback = CBID_NO_CALLBACK, uint32 callback_param1 = 0, uint32 callback_param2 = 0);
 	virtual ~ResolverObject();
 	TempScopeResolver temp_scope; ///< Temporary scope resolver to refer back to the methods of #ResolverObject.
 	CallbackID callback;
 	uint32 callback_param1;
 	uint32 callback_param2;
 	byte trigger;
@@ @@ -379,15 +411,19 @@ struct ResolverObject { @@
 	} u;
 	uint32 (*GetRandomBits)(const struct ResolverObject*);
 	uint32 (*GetTriggers)(const struct ResolverObject*);
 	void (*SetTriggers)(const struct ResolverObject*, int);
 	uint32 (*GetVariable)(const struct ResolverObject *object, byte variable, uint32 parameter, bool *available);
-	const SpriteGroup *(*ResolveReal)(const struct ResolverObject*, const RealSpriteGroup*);
+	const SpriteGroup *(*ResolveRealMethod)(const struct ResolverObject*, const RealSpriteGroup*);
 	void (*StorePSA)(struct ResolverObject*, uint, int32);
 	virtual const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const;
 	virtual ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0);
 	/**
 	 * Returns the OR-sum of all bits that need reseeding
 	 * independent of the scope they were accessed with.
 	 * @return OR-sum of the bits.
 	 */
 	uint32 GetReseedSum() const

src/newgrf_station.cpp

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@@ @@ -547,13 +547,13 @@ void StationStorePSA(ResolverObject *obj @@
 static void NewStationResolver(ResolverObject *res, const StationSpec *statspec, BaseStation *st, TileIndex tile)
+{
 	res->GetRandomBits = StationGetRandomBits;
 	res->GetTriggers   = StationGetTriggers;
 	res->SetTriggers   = StationSetTriggers;
 	res->GetVariable   = StationGetVariable;
-	res->ResolveReal   = StationResolveReal;
+	res->ResolveRealMethod = StationResolveReal;
 	res->StorePSA      = StationStorePSA;
 	res->u.station.st       = st;
 	res->u.station.statspec = statspec;
 	res->u.station.tile     = tile;
 	res->u.station.axis     = INVALID_AXIS;

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