Changeset - r18088:ce674bbf03ad
[Not reviewed]
master
0 1 0
planetmaker - 13 years ago 2011-09-11 11:14:22
planetmaker@openttd.org
(svn r22919) -Doc: Some doxygen sprinkles
1 file changed with 273 insertions and 40 deletions:
0 comments (0 inline, 0 general)
src/newgrf.cpp
Show inline comments
 
@@ -127,6 +127,7 @@ static GrfProcessingState _cur;
 

	
 
class OTTDByteReaderSignal { };
 

	
 
/** Class to read from a NewGRF file */
 
class ByteReader {
 
protected:
 
	byte *data;
 
@@ -217,7 +218,7 @@ typedef void (*SpecialSpriteHandler)(Byt
 

	
 
static const uint MAX_STATIONS = 256;
 

	
 
/* Temporary data used when loading only */
 
/** Temporary engine data used when loading only */
 
struct GRFTempEngineData {
 
	uint16 cargo_allowed;
 
	uint16 cargo_disallowed;
 
@@ -228,14 +229,15 @@ struct GRFTempEngineData {
 
	uint8 rv_max_speed;      ///< Temporary storage of RV prop 15, maximum speed in mph/0.8
 
};
 

	
 
static GRFTempEngineData *_gted;
 

	
 
/* Contains the GRF ID of the owner of a vehicle if it has been reserved.
 
static GRFTempEngineData *_gted;  ///< Temporary engine data used during NewGRF loading
 

	
 
/**
 
 * Contains the GRF ID of the owner of a vehicle if it has been reserved.
 
 * GRM for vehicles is only used if dynamic engine allocation is disabled,
 
 * so 256 is the number of original engines. */
 
static uint32 _grm_engines[256];
 

	
 
/* Contains the GRF ID of the owner of a cargo if it has been reserved */
 
/** Contains the GRF ID of the owner of a cargo if it has been reserved */
 
static uint32 _grm_cargos[NUM_CARGO * 2];
 

	
 
struct GRFLocation {
 
@@ -281,6 +283,11 @@ void CDECL grfmsg(int severity, const ch
 
	DEBUG(grf, severity, "[%s:%d] %s", _cur.grfconfig->filename, _cur.nfo_line, buf);
 
}
 

	
 
/**
 
 * Obtain a NewGRF file by its grfID
 
 * @param grfid The grfID to obtain the file for
 
 * @return The file.
 
 */
 
static GRFFile *GetFileByGRFID(uint32 grfid)
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -290,6 +297,11 @@ static GRFFile *GetFileByGRFID(uint32 gr
 
	return NULL;
 
}
 

	
 
/**
 
 * Obtain a NewGRF file by its filename
 
 * @param filename The filename to obtain the file for.
 
 * @return The file.
 
 */
 
static GRFFile *GetFileByFilename(const char *filename)
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -313,9 +325,9 @@ static void ClearTemporaryNewGRFData(GRF
 

	
 
/**
 
 * Disable a GRF
 
 * @param message Error message or STR_NULL
 
 * @param config GRFConfig to disable, NULL for current
 
 * @return Error message of the GRF for further customisation
 
 * @param message Error message or STR_NULL.
 
 * @param config GRFConfig to disable, NULL for current.
 
 * @return Error message of the GRF for further customisation.
 
 */
 
static GRFError *DisableGrf(StringID message = STR_NULL, GRFConfig *config = NULL)
 
{
 
@@ -346,9 +358,9 @@ static StringIDToGRFIDMapping _string_to
 
/**
 
 * Used when setting an object's property to map to the GRF's strings
 
 * while taking in consideration the "drift" between TTDPatch string system and OpenTTD's one
 
 * @param grfid Id of the grf file
 
 * @param str StringID that we want to have the equivalent in OoenTTD
 
 * @return the properly adjusted StringID
 
 * @param grfid Id of the grf file.
 
 * @param str StringID that we want to have the equivalent in OoenTTD.
 
 * @return The properly adjusted StringID.
 
 */
 
StringID MapGRFStringID(uint32 grfid, StringID str)
 
{
 
@@ -374,6 +386,11 @@ StringID MapGRFStringID(uint32 grfid, St
 

	
 
static std::map<uint32, uint32> _grf_id_overrides;
 

	
 
/**
 
 * Set the override for a NewGRF
 
 * @param source_grfid The grfID which wants to override another NewGRF.
 
 * @param target_grfid The grfID which is being overridden.
 
 */
 
static void SetNewGRFOverride(uint32 source_grfid, uint32 target_grfid)
 
{
 
	_grf_id_overrides[source_grfid] = target_grfid;
 
@@ -382,11 +399,11 @@ static void SetNewGRFOverride(uint32 sou
 

	
 
/**
 
 * Returns the engine associated to a certain internal_id, resp. allocates it.
 
 * @param file NewGRF that wants to change the engine
 
 * @param type Vehicle type
 
 * @param internal_id Engine ID inside the NewGRF
 
 * @param static_access If the engine is not present, return NULL instead of allocating a new engine. (Used for static Action 0x04)
 
 * @return The requested engine
 
 * @param file NewGRF that wants to change the engine.
 
 * @param type Vehicle type.
 
 * @param internal_id Engine ID inside the NewGRF.
 
 * @param static_access If the engine is not present, return NULL instead of allocating a new engine. (Used for static Action 0x04).
 
 * @return The requested engine.
 
 */
 
static Engine *GetNewEngine(const GRFFile *file, VehicleType type, uint16 internal_id, bool static_access = false)
 
{
 
@@ -473,6 +490,16 @@ static Engine *GetNewEngine(const GRFFil
 
	return e;
 
}
 

	
 
/**
 
 * Return the ID of a new engine
 
 * @param file The NewGRF file providing the engine.
 
 * @param type The Vehicle type.
 
 * @param internal_id NewGRF-internal ID of the engine.
 
 * @return The new EngineID.
 
 * @note depending on the dynamic_engine setting and a possible override
 
 *       property the grfID may be unique or overwriting or partially re-defining
 
 *       properties of an existing engine.
 
 */
 
EngineID GetNewEngineID(const GRFFile *file, VehicleType type, uint16 internal_id)
 
{
 
	uint32 scope_grfid = INVALID_GRFID; // If not using dynamic_engines, all newgrfs share their ID range
 
@@ -487,7 +514,7 @@ EngineID GetNewEngineID(const GRFFile *f
 

	
 
/**
 
 * Map the colour modifiers of TTDPatch to those that Open is using.
 
 * @param grf_sprite pointer to the structure been modified
 
 * @param grf_sprite Pointer to the structure been modified.
 
 */
 
static void MapSpriteMappingRecolour(PalSpriteID *grf_sprite)
 
{
 
@@ -517,7 +544,7 @@ static void MapSpriteMappingRecolour(Pal
 
 * @param action1_pitch       Factor to multiply action 1 sprite indices with.
 
 * @param action1_max         Maximal valid action 1 index.
 
 * @param [out] grf_sprite    Read sprite and palette.
 
 * @return read TileLayoutFlags.
 
 * @return Read TileLayoutFlags.
 
 */
 
static TileLayoutFlags ReadSpriteLayoutSprite(ByteReader *buf, bool read_flags, bool invert_action1_flag, uint action1_offset, uint action1_pitch, uint action1_max, PalSpriteID *grf_sprite)
 
{
 
@@ -627,7 +654,7 @@ static void ReadSpriteLayoutRegisters(By
 
 * @param allow_var10          Whether the spritelayout may specifiy var10 values for resolving multiple action-1-2-3 chains
 
 * @param no_z_position        Whether bounding boxes have no Z offset
 
 * @param dts                  Layout container to output into
 
 * @return true on error (GRF was disabled)
 
 * @return True on error (GRF was disabled).
 
 */
 
static bool ReadSpriteLayout(ByteReader *buf, uint num_building_sprites, uint action1_offset, uint action1_pitch, uint action1_max, bool allow_var10, bool no_z_position, NewGRFSpriteLayout *dts)
 
{
 
@@ -706,6 +733,7 @@ static void ConvertTTDBasePrice(uint32 b
 
	*index = (Price)((base_pointer - start) / size);
 
}
 

	
 
/** Possible return values for the FeatureChangeInfo functions */
 
enum ChangeInfoResult {
 
	CIR_SUCCESS,    ///< Variable was parsed and read
 
	CIR_DISABLED,   ///< GRF was disabled due to error
 
@@ -716,6 +744,13 @@ enum ChangeInfoResult {
 

	
 
typedef ChangeInfoResult (*VCI_Handler)(uint engine, int numinfo, int prop, ByteReader *buf);
 

	
 
/**
 
 * Define properties common to all vehicles
 
 * @param ei Engine info.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult CommonVehicleChangeInfo(EngineInfo *ei, int prop, ByteReader *buf)
 
{
 
	switch (prop) {
 
@@ -751,6 +786,14 @@ static ChangeInfoResult CommonVehicleCha
 
	return CIR_SUCCESS;
 
}
 

	
 
/**
 
 * Define properties for rail vehicles
 
 * @param engine :ocal ID of the first vehicle.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult RailVehicleChangeInfo(uint engine, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1008,6 +1051,14 @@ static ChangeInfoResult RailVehicleChang
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for road vehicles
 
 * @param engine Local ID of the first vehicle.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult RoadVehicleChangeInfo(uint engine, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1154,6 +1205,14 @@ static ChangeInfoResult RoadVehicleChang
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for ships
 
 * @param engine Local ID of the first vehicle.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult ShipVehicleChangeInfo(uint engine, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1288,6 +1347,14 @@ static ChangeInfoResult ShipVehicleChang
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for aircraft
 
 * @param engine Local ID of the aircraft.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult AircraftVehicleChangeInfo(uint engine, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1406,6 +1473,14 @@ static ChangeInfoResult AircraftVehicleC
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for stations
 
 * @param stdid StationID of the first station tile.
 
 * @param numinfo Number of subsequent station tiles to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult StationChangeInfo(uint stid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1640,6 +1715,14 @@ static ChangeInfoResult StationChangeInf
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for water features
 
 * @param id Type of the first water feature.
 
 * @param numinfo Number of subsequent water feature ids to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult CanalChangeInfo(uint id, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1670,6 +1753,14 @@ static ChangeInfoResult CanalChangeInfo(
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for bridges
 
 * @param brid BridgeID of the bridge.
 
 * @param numinfo Number of subsequent bridgeIDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult BridgeChangeInfo(uint brid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1774,6 +1865,12 @@ static ChangeInfoResult BridgeChangeInfo
 
	return ret;
 
}
 

	
 
/**
 
 * Ignore a house property
 
 * @param prop Property to read.
 
 * @param buf Property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IgnoreTownHouseProperty(int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -1830,6 +1927,14 @@ static ChangeInfoResult IgnoreTownHouseP
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for houses
 
 * @param hid HouseID of the house.
 
 * @param numinfo Number of subsequent houseIDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult TownHouseChangeInfo(uint hid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2066,7 +2171,7 @@ static ChangeInfoResult TownHouseChangeI
 
 * Get the language map associated with a given NewGRF and language.
 
 * @param grfid       The NewGRF to get the map for.
 
 * @param language_id The (NewGRF) language ID to get the map for.
 
 * @return the LanguageMap, or NULL if it couldn't be found.
 
 * @return The LanguageMap, or NULL if it couldn't be found.
 
 */
 
/* static */ const LanguageMap *LanguageMap::GetLanguageMap(uint32 grfid, uint8 language_id)
 
{
 
@@ -2075,6 +2180,14 @@ static ChangeInfoResult TownHouseChangeI
 
	return (grffile != NULL && grffile->language_map != NULL && language_id < MAX_LANG) ? &grffile->language_map[language_id] : NULL;
 
}
 

	
 
/**
 
 * Define properties for global variables
 
 * @param gvid ID of the global variable.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult GlobalVarChangeInfo(uint gvid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2361,6 +2474,14 @@ static ChangeInfoResult GlobalVarReserve
 
}
 

	
 

	
 
/**
 
 * Define properties for cargos
 
 * @param cid Local ID of the cargo.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult CargoChangeInfo(uint cid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2492,6 +2613,14 @@ static ChangeInfoResult CargoChangeInfo(
 
}
 

	
 

	
 
/**
 
 * Define properties for sound effects
 
 * @param sid Local ID of the sound.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult SoundEffectChangeInfo(uint sid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2541,6 +2670,12 @@ static ChangeInfoResult SoundEffectChang
 
	return ret;
 
}
 

	
 
/**
 
 * Ignore an industry tile property
 
 * @param prop The property to ignore.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IgnoreIndustryTileProperty(int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2569,6 +2704,14 @@ static ChangeInfoResult IgnoreIndustryTi
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for industry tiles
 
 * @param indtid Local ID of the industry tile.
 
 * @param numinfo Number of subsequent industry tile IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IndustrytilesChangeInfo(uint indtid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2681,6 +2824,12 @@ static ChangeInfoResult IndustrytilesCha
 
	return ret;
 
}
 

	
 
/**
 
 * Ignore an industry property
 
 * @param prop The property to ignore.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IgnoreIndustryProperty(int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -2762,9 +2911,9 @@ static ChangeInfoResult IgnoreIndustryPr
 

	
 
/**
 
 * Validate the industry layout; e.g. to prevent duplicate tiles.
 
 * @param layout the layout to check
 
 * @param size the size of the layout
 
 * @return true if the layout is deemed valid
 
 * @param layout The layout to check.
 
 * @param size The size of the layout.
 
 * @return True if the layout is deemed valid.
 
 */
 
static bool ValidateIndustryLayout(const IndustryTileTable *layout, int size)
 
{
 
@@ -2793,6 +2942,14 @@ static void CleanIndustryTileTable(Indus
 
	}
 
}
 

	
 
/**
 
 * Define properties for industries
 
 * @param indid Local ID of the industry.
 
 * @param numinfo Number of subsequent industry IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -3126,6 +3283,14 @@ static void DuplicateTileTable(AirportSp
 
	as->depot_table = depot_table;
 
}
 

	
 
/**
 
 * Define properties for airports
 
 * @param airport Local ID of the airport.
 
 * @param numinfo Number of subsequent airport IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult AirportChangeInfo(uint airport, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -3292,6 +3457,12 @@ static ChangeInfoResult AirportChangeInf
 
	return ret;
 
}
 

	
 
/**
 
 * Ignore properties for objects
 
 * @param prop The property to ignore.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult IgnoreObjectProperty(uint prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -3329,6 +3500,14 @@ static ChangeInfoResult IgnoreObjectProp
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for objects
 
 * @param id Local ID of the object.
 
 * @param numinfo Number of subsequent objectIDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult ObjectChangeInfo(uint id, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -3450,6 +3629,14 @@ static ChangeInfoResult ObjectChangeInfo
 
	return ret;
 
}
 

	
 
/**
 
 * Define properties for railtypes
 
 * @param id ID of the railtype.
 
 * @param numinfo Number of subsequent IDs to change the property for.
 
 * @param prop The property to change.
 
 * @param buf The property value.
 
 * @return ChangeInfoResult.
 
 */
 
static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteReader *buf)
 
{
 
	ChangeInfoResult ret = CIR_SUCCESS;
 
@@ -4923,11 +5110,11 @@ static void FeatureNewName(ByteReader *b
 

	
 
/**
 
 * Sanitize incoming sprite offsets for Action 5 graphics replacements.
 
 * @param num         the number of sprites to load.
 
 * @param offset      offset from the base.
 
 * @param max_sprites the maximum number of sprites that can be loaded in this action 5.
 
 * @param name        used for error warnings.
 
 * @return the number of sprites that is going to be skipped
 
 * @param num         The number of sprites to load.
 
 * @param offset      Offset from the base.
 
 * @param max_sprites The maximum number of sprites that can be loaded in this action 5.
 
 * @param name        Used for error warnings.
 
 * @return The number of sprites that is going to be skipped.
 
 */
 
static uint16 SanitizeSpriteOffset(uint16& num, uint16 offset, int max_sprites, const char *name)
 
{
 
@@ -5388,7 +5575,7 @@ static void CfgApply(ByteReader *buf)
 
 * We could just tell the NewGRF querying that the file doesn't exist,
 
 * but that might give unwanted results. Disabling the NewGRF gives the
 
 * best result as no NewGRF author can complain about that.
 
 * @param c the NewGRF to disable.
 
 * @param c The NewGRF to disable.
 
 */
 
static void DisableStaticNewGRFInfluencingNonStaticNewGRFs(GRFConfig *c)
 
{
 
@@ -5920,7 +6107,7 @@ static uint32 PerformGRM(uint32 *grm, ui
 
}
 

	
 

	
 
/* Action 0x0D */
 
/** Action 0x0D: Set parameter */
 
static void ParamSet(ByteReader *buf)
 
{
 
	/* <0D> <target> <operation> <source1> <source2> [<data>]
 
@@ -6269,7 +6456,7 @@ static void GRFInhibit(ByteReader *buf)
 
	}
 
}
 

	
 
/* Action 0x0F */
 
/** Action 0x0F - Define Town names */
 
static void FeatureTownName(ByteReader *buf)
 
{
 
	/* <0F> <id> <style-name> <num-parts> <parts>
 
@@ -6353,7 +6540,7 @@ static void FeatureTownName(ByteReader *
 
	}
 
}
 

	
 
/* Action 0x10 */
 
/** Action 0x10 - Define goto label */
 
static void DefineGotoLabel(ByteReader *buf)
 
{
 
	/* <10> <label> [<comment>]
 
@@ -6537,7 +6724,7 @@ static void LoadGRFSound(ByteReader *buf
 
	MemSetT(sound, 0);
 
}
 

	
 
/* Action 0x12 */
 
/** Action 0x12 */
 
static void LoadFontGlyph(ByteReader *buf)
 
{
 
	/* <12> <num_def> <font_size> <num_char> <base_char>
 
@@ -6564,7 +6751,7 @@ static void LoadFontGlyph(ByteReader *bu
 
	}
 
}
 

	
 
/* Action 0x12 (SKIP) */
 
/** Action 0x12 (SKIP) */
 
static void SkipAct12(ByteReader *buf)
 
{
 
	/* <12> <num_def> <font_size> <num_char> <base_char>
 
@@ -6590,7 +6777,7 @@ static void SkipAct12(ByteReader *buf)
 
	grfmsg(3, "SkipAct12: Skipping %d sprites", _cur.skip_sprites);
 
}
 

	
 
/* Action 0x13 */
 
/** Action 0x13 */
 
static void TranslateGRFStrings(ByteReader *buf)
 
{
 
	/* <13> <grfid> <num-ent> <offset> <text...>
 
@@ -6933,6 +7120,7 @@ static bool ChangeGRFParamValueNames(Byt
 
	return true;
 
}
 

	
 
/** Action14 parameter tags */
 
AllowedSubtags _tags_parameters[] = {
 
	AllowedSubtags('NAME', ChangeGRFParamName),
 
	AllowedSubtags('DESC', ChangeGRFParamDescription),
 
@@ -6978,6 +7166,7 @@ static bool HandleParameterInfo(ByteRead
 
	return true;
 
}
 

	
 
/** Action14 tags for the INFO node */
 
AllowedSubtags _tags_info[] = {
 
	AllowedSubtags('NAME', ChangeGRFName),
 
	AllowedSubtags('DESC', ChangeGRFDescription),
 
@@ -6989,6 +7178,7 @@ AllowedSubtags _tags_info[] = {
 
	AllowedSubtags()
 
};
 

	
 
/** Action14 root tags */
 
AllowedSubtags _tags_root[] = {
 
	AllowedSubtags('INFO', _tags_info),
 
	AllowedSubtags()
 
@@ -6997,6 +7187,8 @@ AllowedSubtags _tags_root[] = {
 

	
 
/**
 
 * Try to skip the current node and all subnodes (if it's a branch node).
 
 * @param buf Buffer.
 
 * @param type The node type to skip.
 
 * @return True if we could skip the node, false if an error occured.
 
 */
 
static bool SkipUnknownInfo(ByteReader *buf, byte type)
 
@@ -7031,6 +7223,14 @@ static bool SkipUnknownInfo(ByteReader *
 
	return true;
 
}
 

	
 
/**
 
 * Handle the nodes of an Action14
 
 * @param type Type of node.
 
 * @param id ID.
 
 * @param buf Buffer.
 
 * @param subtags Allowed subtags.
 
 * @return Whether all tags could be handled.
 
 */
 
static bool HandleNode(byte type, uint32 id, ByteReader *buf, AllowedSubtags subtags[])
 
{
 
	uint i = 0;
 
@@ -7063,6 +7263,12 @@ static bool HandleNode(byte type, uint32
 
	return SkipUnknownInfo(buf, type);
 
}
 

	
 
/**
 
 * Handle the contents of a 'C' choice of an Action14
 
 * @param buf Buffer.
 
 * @param subtags List of subtags.
 
 * @return Whether the nodes could all be handled.
 
 */
 
static bool HandleNodes(ByteReader *buf, AllowedSubtags subtags[])
 
{
 
	byte type = buf->ReadByte();
 
@@ -7074,14 +7280,17 @@ static bool HandleNodes(ByteReader *buf,
 
	return true;
 
}
 

	
 
/* Action 0x14 */
 
/**
 
 * Handle Action 0x14
 
 * @param buf Buffer.
 
 */
 
static void StaticGRFInfo(ByteReader *buf)
 
{
 
	/* <14> <type> <id> <text/data...> */
 
	HandleNodes(buf, _tags_root);
 
}
 

	
 
/* 'Action 0xFF' */
 
/** 'Action 0xFF' */
 
static void GRFDataBlock(ByteReader *buf)
 
{
 
	/* <FF> <name_len> <name> '\0' <data> */
 
@@ -7111,8 +7320,11 @@ static void GRFDataBlock(ByteReader *buf
 
	}
 
}
 

	
 

	
 
/* Used during safety scan on unsafe actions */
 
/**
 
 * Set the current NewGRF as unsafe for static use
 
 * @param buf Unused.
 
 * @note Used during safety scan on unsafe actions.
 
 */
 
static void GRFUnsafe(ByteReader *buf)
 
{
 
	SetBit(_cur.grfconfig->flags, GCF_UNSAFE);
 
@@ -7122,6 +7334,7 @@ static void GRFUnsafe(ByteReader *buf)
 
}
 

	
 

	
 
/** Initialize the TTDPatch flags */
 
static void InitializeGRFSpecial()
 
{
 
	_ttdpatch_flags[0] = ((_settings_game.station.never_expire_airports ? 1 : 0) << 0x0C)  // keepsmallairport
 
@@ -7206,6 +7419,7 @@ static void InitializeGRFSpecial()
 
	                   |                                                      (1 << 0x1F); // any switch is on
 
}
 

	
 
/** Reset and clear all NewGRF stations */
 
static void ResetCustomStations()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7240,6 +7454,7 @@ static void ResetCustomStations()
 
	}
 
}
 

	
 
/** Reset and clear all NewGRF houses */
 
static void ResetCustomHouses()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7255,6 +7470,7 @@ static void ResetCustomHouses()
 
	}
 
}
 

	
 
/** Reset and clear all NewGRF airports */
 
static void ResetCustomAirports()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7291,6 +7507,7 @@ static void ResetCustomAirports()
 
	}
 
}
 

	
 
/** Reset and clear all NewGRF industries */
 
static void ResetCustomIndustries()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7330,6 +7547,7 @@ static void ResetCustomIndustries()
 
	}
 
}
 

	
 
/** Reset and clear all NewObjects */
 
static void ResetCustomObjects()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7345,7 +7563,7 @@ static void ResetCustomObjects()
 
	}
 
}
 

	
 

	
 
/** Reset and clear all NewGRFs */
 
static void ResetNewGRF()
 
{
 
	const GRFFile * const *end = _grf_files.End();
 
@@ -7362,6 +7580,7 @@ static void ResetNewGRF()
 
	_cur.grffile   = NULL;
 
}
 

	
 
/** Clear all NewGRF errors */
 
static void ResetNewGRFErrors()
 
{
 
	for (GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
 
@@ -7480,6 +7699,10 @@ void ResetPersistentNewGRFData()
 
	_airporttile_mngr.ResetMapping();
 
}
 

	
 
/**
 
 * Construct the Cargo Mapping
 
 * @note This is the reverse of a cargo translation table
 
 */
 
static void BuildCargoTranslationMap()
 
{
 
	memset(_cur.grffile->cargo_map, 0xFF, sizeof(_cur.grffile->cargo_map));
 
@@ -7503,6 +7726,10 @@ static void BuildCargoTranslationMap()
 
	}
 
}
 

	
 
/**
 
 * Prepare loading a NewGRF file with its config
 
 * @param config The NewGRF configuration struct with name, id, parameters and alike.
 
 */
 
static void InitNewGRFFile(const GRFConfig *config)
 
{
 
	GRFFile *newfile = GetFileByFilename(config->filename);
 
@@ -8337,6 +8564,7 @@ void InitDepotWindowBlockSizes();
 

	
 
extern void InitGRFTownGeneratorNames();
 

	
 
/** Finish loading NewGRFs and execute needed post-processing */
 
static void AfterLoadGRFs()
 
{
 
	for (StringIDToGRFIDMapping::iterator it = _string_to_grf_mapping.begin(); it != _string_to_grf_mapping.end(); it++) {
 
@@ -8519,6 +8747,11 @@ void LoadNewGRF(uint load_index, uint fi
 
	_display_opt  = display_opt;
 
}
 

	
 
/**
 
 * Check for grf miscelaneous bits
 
 * @param bit The bit to check.
 
 * @return Whether the bit is set.
 
 */
 
bool HasGrfMiscBit(GrfMiscBit bit)
 
{
 
	return HasBit(_misc_grf_features, bit);
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