cpp/openttd-patchpack/source Changeset - r17774:1f849db62e15

Changeset - r17774:1f849db62e15

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terkhen - 13 years ago 2011-06-12 20:50:03
terkhen@openttd.org

(svn r22569) -Feature: [NewGRF] Persistent storage for towns.

8 files changed with 126 insertions and 11 deletions:

src/newgrf_house.cpp

src/newgrf_industries.cpp

src/newgrf_object.cpp

src/newgrf_station.cpp

src/newgrf_town.cpp

src/newgrf_town.h

src/table/newgrf_debug_data.h

src/town_cmd.cpp

0 comments (0 inline, 0 general)

src/newgrf_house.cpp

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@@ @@ -259,7 +259,7 @@ static uint32 HouseGetVariable(const Res @@
 	HouseID house_id = object->u.house.house_id;
 	if (object->scope == VSG_SCOPE_PARENT) {
 		return TownGetVariable(variable, parameter, available, town);
+		return TownGetVariable(variable, parameter, available, town, object->grffile);
+	}
 	switch (variable) {
@@ @@ -361,6 +361,21 @@ static const SpriteGroup *HouseResolveRe @@
+}
 /**
  * Store a value into the persistent storage of the object's parent.
  * @param object Object that we want to query.
  * @param pos Position in the persistent storage to use.
  * @param value Value to store.
  */
 void HouseStorePSA(ResolverObject *object, uint pos, int32 value)
+{
 	/* Houses have no persistent storage. */
 	if (object->scope != VSG_SCOPE_PARENT || object->u.house.not_yet_constructed) return;
 	/* Pass the request on to the town of the house */
 	TownStorePSA(object->u.house.town, object->grffile, pos, value);
+}
 /**
  * NewHouseResolver():
+ *
  * Returns a resolver object to be used with feature 07 spritegroups.
@@ @@ -372,6 +387,7 @@ static void NewHouseResolver(ResolverObj @@
 	res->SetTriggers   = HouseSetTriggers;
 	res->GetVariable   = HouseGetVariable;
 	res->ResolveReal   = HouseResolveReal;
 	res->StorePSA      = HouseStorePSA;
 	res->u.house.tile     = tile;
 	res->u.house.town     = town;

src/newgrf_industries.cpp

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@@ @@ -191,7 +191,7 @@ uint32 IndustryGetVariable(const Resolve @@
 			return UINT_MAX;
+		}
 		return TownGetVariable(variable, parameter, available, t);
+		return TownGetVariable(variable, parameter, available, t, object->grffile);
+	}
 	if (industry == NULL) {
@@ @@ -385,7 +385,13 @@ static void IndustrySetTriggers(const Re @@
 void IndustryStorePSA(ResolverObject *object, uint pos, int32 value)
+{
 	Industry *ind = object->u.industry.ind;
 	if (object->scope != VSG_SCOPE_SELF || ind->index == INVALID_INDUSTRY) return;
 	if (ind->index == INVALID_INDUSTRY) return;
 	if (object->scope != VSG_SCOPE_SELF) {
 		/* Pass the request on to the town of the industry. */
 		TownStorePSA(ind->town, object->grffile, pos, value);
 		return;
+	}
 	if (ind->psa == NULL) {
 		/* There is no need to create a storage if the value is zero. */
@@ @@ -459,7 +465,7 @@ uint32 IndustryLocationGetVariable(const @@
 	TileIndex tile = object->u.industry.tile;
 	if (object->scope == VSG_SCOPE_PARENT) {
 		return TownGetVariable(variable, parameter, available, industry->town);
+		return TownGetVariable(variable, parameter, available, industry->town, object->grffile);
+	}
 	switch (variable) {

src/newgrf_object.cpp

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@@ @@ -224,7 +224,7 @@ static uint32 ObjectGetVariable(const Re @@
 	if (object->scope == VSG_SCOPE_PARENT) {
 		/* Pass the request on to the town of the object */
 		return TownGetVariable(variable, parameter, available, (o == NULL) ? ClosestTownFromTile(tile, UINT_MAX) : o->town);
+		return TownGetVariable(variable, parameter, available, (o == NULL) ? ClosestTownFromTile(tile, UINT_MAX) : o->town, object->grffile);
+	}
 	/* We get the town from the object, or we calculate the closest
@@ @@ -359,6 +359,22 @@ static const SpriteGroup *GetObjectSprit @@
+}
 /**
  * Store a value into the persistent storage of the object's parent.
  * @param object Object that we want to query.
  * @param pos Position in the persistent storage to use.
  * @param value Value to store.
  */
 void ObjectStorePSA(ResolverObject *object, uint pos, int32 value)
+{
 	/* Objects have no persistent storage. */
 	Object *o = object->u.object.o;
 	if (object->scope != VSG_SCOPE_PARENT || o == NULL) return;
 	/* Pass the request on to the town of the object */
 	TownStorePSA(o->town, object->grffile, pos, value);
+}
 /**
  * Returns a resolver object to be used with feature 0F spritegroups.
  */
 static void NewObjectResolver(ResolverObject *res, const ObjectSpec *spec, Object *o, TileIndex tile, uint8 view = 0)
@@ @@ -368,6 +384,7 @@ static void NewObjectResolver(ResolverOb @@
 	res->SetTriggers   = ObjectSetTriggers;
 	res->GetVariable   = ObjectGetVariable;
 	res->ResolveReal   = ObjectResolveReal;
 	res->StorePSA      = ObjectStorePSA;
 	res->u.object.o    = o;
 	res->u.object.tile = tile;

src/newgrf_station.cpp

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@@ @@ -275,7 +275,7 @@ static uint32 StationGetVariable(const R @@
 			return UINT_MAX;
+		}
 		return TownGetVariable(variable, parameter, available, t);
+		return TownGetVariable(variable, parameter, available, t, object->grffile);
+	}
 	if (st == NULL) {
@@ @@ -517,6 +517,21 @@ static const SpriteGroup *StationResolve @@
+}
 /**
  * Store a value into the persistent storage of the object's parent.
  * @param object Object that we want to query.
  * @param pos Position in the persistent storage to use.
  * @param value Value to store.
  */
 void StationStorePSA(ResolverObject *object, uint pos, int32 value)
+{
 	/* Stations have no persistent storage. */
 	BaseStation *st = object->u.station.st;
 	if (object->scope != VSG_SCOPE_PARENT || st == NULL) return;
 	TownStorePSA(st->town, object->grffile, pos, value);
+}
 static void NewStationResolver(ResolverObject *res, const StationSpec *statspec, BaseStation *st, TileIndex tile)
+{
 	res->GetRandomBits = StationGetRandomBits;
@@ @@ -524,6 +539,7 @@ static void NewStationResolver(ResolverO @@
 	res->SetTriggers   = StationSetTriggers;
 	res->GetVariable   = StationGetVariable;
 	res->ResolveReal   = StationResolveReal;
 	res->StorePSA      = StationStorePSA;
 	res->u.station.st       = st;
 	res->u.station.statspec = statspec;

src/newgrf_town.cpp

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@@ @@ -12,6 +12,8 @@ @@
 #include "stdafx.h"
 #include "debug.h"
 #include "town.h"
 #include "newgrf.h"
 #include "newgrf_spritegroup.h"
 /**
  * This function implements the town variables that newGRF defines.
@@ @@ -19,9 +21,10 @@ @@
  * @param parameter unused
  * @param available will return false if ever the variable asked for does not exist
  * @param t is of course the town we are inquiring
  * @param caller_grffile #GRFFile of the entity asking for a town variable.
  * @return the value stored in the corresponding variable
  */
 uint32 TownGetVariable(byte variable, byte parameter, bool *available, Town *t)
+uint32 TownGetVariable(byte variable, byte parameter, bool *available, Town *t, const GRFFile *caller_grffile)
+{
 	switch (variable) {
 		/* Larger towns */
@@ @@ -33,6 +36,23 @@ uint32 TownGetVariable(byte variable, by @@
 		/* Town index */
 		case 0x41: return t->index;
 		/* Get a variable from the persistent storage */
 		case 0x7C: {
 			/* Check the persistent storage for the GrfID stored in register 100h. */
 			uint32 grfid = GetRegister(0x100);
 			if (grfid == 0xFFFFFFFF) {
 				if (caller_grffile == NULL) return 0;
 				grfid = caller_grffile->grfid;
+			}
 			std::list<PersistentStorage *>::iterator iter;
 			for (iter = t->psa_list.begin(); iter != t->psa_list.end(); iter++) {
 				if ((*iter)->grfid == grfid) return (*iter)->GetValue(parameter);
+			}
 			return 0;
+		}
 		/* Town properties */
 		case 0x80: return t->xy;
 		case 0x81: return GB(t->xy, 8, 8);
@@ @@ -106,3 +126,39 @@ uint32 TownGetVariable(byte variable, by @@
 	*available = false;
 	return UINT_MAX;
+}
 /**
  * Store a value in town persistent storage.
  * @param t Town owning the persistent storage.
  * @param caller_grffile #GRFFile of the entity that wants to use the storage.
  * @param pos Position to write at.
  * @param value Value to write.
  * @return the value stored in the corresponding variable
  */
 void TownStorePSA(Town *t, const GRFFile *caller_grffile, uint pos, int32 value)
+{
 	assert(t != NULL);
 	/* We can't store anything if the caller has no #GRFFile. */
 	if (caller_grffile == NULL) return;
 	/* Check the persistent storage for the GrfID stored in register 100h. */
 	uint32 grfid = GetRegister(0x100);
 	/* A NewGRF can only write in the persistent storage associated to its own GRFID. */
 	if (grfid == 0xFFFFFFFF) grfid = caller_grffile->grfid;
 	if (grfid != caller_grffile->grfid) return;
 	/* Check if the storage exists. */
 	std::list<PersistentStorage *>::iterator iter;
 	for (iter = t->psa_list.begin(); iter != t->psa_list.end(); iter++) {
 		if ((*iter)->grfid == grfid) {
 			(*iter)->StoreValue(pos, value);
 			return;
+		}
+	}
 	/* Create a new storage. */
 	PersistentStorage *psa = new PersistentStorage(grfid);
 	psa->StoreValue(pos, value);
 	t->psa_list.push_back(psa);
+}

src/newgrf_town.h

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@@ @@ -15,8 +15,9 @@ @@
 #include "town_type.h"
 /* Currently there is no direct town resolver; we only need to get town
  * variable results from inside stations, house tiles and industry tiles. */
 uint32 TownGetVariable(byte variable, byte parameter, bool *available, Town *t);
  * variable results from inside stations, house tiles and industries,
  * and to check the town's persistent storage. */
 uint32 TownGetVariable(byte variable, byte parameter, bool *available, Town *t, const GRFFile *caller_grffile);
 void TownStorePSA(Town *t, const GRFFile *caller_grffile, uint pos, int32 value);
 #endif /* NEWGRF_TOWN_H */

src/table/newgrf_debug_data.h

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@@ @@ -433,7 +433,7 @@ class NIHTown : public NIHelper { @@
 	const void *GetInstance(uint index)const             { return Town::Get(index); }
 	const void *GetSpec(uint index) const                { return NULL; }
 	void SetStringParameters(uint index) const           { this->SetSimpleStringParameters(STR_TOWN_NAME, index); }
 	uint Resolve(uint index, uint var, uint param, bool *avail) const { return TownGetVariable(var, param, avail, Town::Get(index)); }
+	uint Resolve(uint index, uint var, uint param, bool *avail) const { return TownGetVariable(var, param, avail, Town::Get(index), NULL); }
 };
 static const NIFeature _nif_town = {

src/town_cmd.cpp

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@@ @@ -95,6 +95,9 @@ Town::~Town() @@
+		}
+	}
 	/* Clear the persistent storage list. */
 	this->psa_list.clear();
 	DeleteSubsidyWith(ST_TOWN, this->index);
 	DeleteNewGRFInspectWindow(GSF_FAKE_TOWNS, this->index);
 	CargoPacket::InvalidateAllFrom(ST_TOWN, this->index);

0 comments (0 inline, 0 general)