mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r19459) -Feature: make some airport properties modifyable by newgrfs
This commit is contained in:
yexo
parent
2b62e467af
commit
f81bdbae42
172
src/newgrf.cpp
172
src/newgrf.cpp
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@ -2491,6 +2491,120 @@ static ChangeInfoResult IndustriesChangeInfo(uint indid, int numinfo, int prop,
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return ret;
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}
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/**
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* Create a copy of the tile table so it can be freed later
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* without problems.
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* @param as The AirportSpec to copy the arrays of.
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*/
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static void DuplicateTileTable(AirportSpec *as)
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{
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AirportTileTable **table_list = MallocT<AirportTileTable*>(as->num_table);
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for (int i = 0; i < as->num_table; i++) {
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uint num_tiles = 1;
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const AirportTileTable *it = as->table[0];
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do {
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num_tiles++;
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} while ((++it)->ti.x != -0x80);
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table_list[i] = MallocT<AirportTileTable>(num_tiles);
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MemCpyT(table_list[i], as->table[i], num_tiles);
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}
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as->table = table_list;
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TileIndexDiffC *depot_table = MallocT<TileIndexDiffC>(as->nof_depots);
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MemCpyT(depot_table, as->depot_table, as->nof_depots);
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as->depot_table = depot_table;
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}
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static ChangeInfoResult AirportChangeInfo(uint airport, int numinfo, int prop, ByteReader *buf)
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{
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ChangeInfoResult ret = CIR_SUCCESS;
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if (airport + numinfo > NUM_AIRPORTS) {
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grfmsg(1, "AirportChangeInfo: Too many airports, trying id (%u), max (%u). Ignoring.", airport + numinfo, NUM_AIRPORTS);
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return CIR_INVALID_ID;
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}
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grfmsg(1, "AirportChangeInfo: newid %u", airport);
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/* Allocate industry specs if they haven't been allocated already. */
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if (_cur_grffile->airportspec == NULL) {
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_cur_grffile->airportspec = CallocT<AirportSpec*>(NUM_AIRPORTS);
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}
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for (int i = 0; i < numinfo; i++) {
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AirportSpec *as = _cur_grffile->airportspec[airport + i];
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if (as == NULL && prop != 0x08 && prop != 0x09) {
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grfmsg(2, "AirportChangeInfo: Attempt to modify undefined airport %u, ignoring", airport + i);
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return CIR_INVALID_ID;
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}
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switch (prop) {
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case 0x08: { // Modify original airport
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byte subs_id = buf->ReadByte();
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if (subs_id == 0xFF) {
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/* Instead of defining a new airport, an airport id
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* of 0xFF disables the old airport with the current id. */
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AirportSpec::GetWithoutOverride(airport + i)->enabled = false;
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continue;
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} else if (subs_id >= NEW_AIRPORT_OFFSET) {
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/* The substitute id must be one of the original airports. */
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grfmsg(2, "AirportChangeInfo: Attempt to use new airport %u as substitute airport for %u. Ignoring.", subs_id, airport + i);
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continue;
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}
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AirportSpec **spec = &_cur_grffile->airportspec[airport + i];
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/* Allocate space for this airport.
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* Only need to do it once. If ever it is called again, it should not
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* do anything */
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if (*spec == NULL) {
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*spec = MallocT<AirportSpec>(1);
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as = *spec;
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memcpy(as, AirportSpec::GetWithoutOverride(subs_id), sizeof(*as));
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as->enabled = true;
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as->grf_prop.local_id = airport + i;
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as->grf_prop.subst_id = subs_id;
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as->grf_prop.grffile = _cur_grffile;
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/* override the default airport */
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_airport_mngr.Add(airport + i, _cur_grffile->grfid, subs_id);
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/* Create a copy of the original tiletable so it can be freed later. */
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DuplicateTileTable(as);
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}
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} break;
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case 0x0C:
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as->min_year = buf->ReadWord();
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as->max_year = buf->ReadWord();
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if (as->max_year == 0xFFFF) as->max_year = MAX_YEAR;
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break;
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case 0x0D:
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as->ttd_airport_type = (TTDPAirportType)buf->ReadByte();
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break;
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case 0x0E:
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as->catchment = Clamp(buf->ReadByte(), 1, MAX_CATCHMENT);
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break;
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case 0x0F:
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as->noise_level = buf->ReadByte();
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break;
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case 0x10:
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as->name = buf->ReadWord();
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_string_to_grf_mapping[&as->name] = _cur_grffile->grfid;
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break;
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default:
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ret = CIR_UNKNOWN;
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break;
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}
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}
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return ret;
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}
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static ChangeInfoResult RailTypeChangeInfo(uint id, int numinfo, int prop, ByteReader *buf)
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{
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ChangeInfoResult ret = CIR_SUCCESS;
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@ -2797,7 +2911,7 @@ static void FeatureChangeInfo(ByteReader *buf)
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/* GSF_INDUSTRIES */ IndustriesChangeInfo,
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/* GSF_CARGOS */ NULL, // Cargo is handled during reservation
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/* GSF_SOUNDFX */ SoundEffectChangeInfo,
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/* GSF_AIRPORTS */ NULL,
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/* GSF_AIRPORTS */ AirportChangeInfo,
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/* GSF_SIGNALS */ NULL,
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/* GSF_OBJECTS */ NULL,
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/* GSF_RAILTYPES */ RailTypeChangeInfo,
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@ -3133,6 +3247,7 @@ static void NewSpriteGroup(ByteReader *buf)
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case GSF_STATION:
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case GSF_CANAL:
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case GSF_CARGOS:
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case GSF_AIRPORTS:
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case GSF_RAILTYPES:
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{
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byte sprites = _cur_grffile->spriteset_numents;
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@ -3646,6 +3761,37 @@ static void RailTypeMapSpriteGroup(ByteReader *buf, uint8 idcount)
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buf->ReadWord();
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}
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static void AirportMapSpriteGroup(ByteReader *buf, uint8 idcount)
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{
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uint8 *airports = AllocaM(uint8, idcount);
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for (uint i = 0; i < idcount; i++) {
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airports[i] = buf->ReadByte();
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}
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/* Skip the cargo type section, we only care about the default group */
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uint8 cidcount = buf->ReadByte();
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buf->Skip(cidcount * 3);
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uint16 groupid = buf->ReadWord();
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if (!IsValidGroupID(groupid, "AirportMapSpriteGroup")) return;
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if (_cur_grffile->airportspec == NULL) {
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grfmsg(1, "AirportMapSpriteGroup: No airports defined, skipping");
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return;
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}
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for (uint i = 0; i < idcount; i++) {
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AirportSpec *as = _cur_grffile->airportspec[airports[i]];
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if (as == NULL) {
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grfmsg(1, "AirportMapSpriteGroup: Airport %d undefined, skipping", airports[i]);
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continue;
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}
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as->grf_prop.spritegroup = _cur_grffile->spritegroups[groupid];
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}
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}
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static void AirportTileMapSpriteGroup(ByteReader *buf, uint8 idcount)
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{
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uint8 *airptiles = AllocaM(uint8, idcount);
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@ -3752,6 +3898,10 @@ static void FeatureMapSpriteGroup(ByteReader *buf)
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CargoMapSpriteGroup(buf, idcount);
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return;
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case GSF_AIRPORTS:
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AirportMapSpriteGroup(buf, idcount);
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return;
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case GSF_RAILTYPES:
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RailTypeMapSpriteGroup(buf, idcount);
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break;
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@ -5777,6 +5927,26 @@ static void ResetCustomAirports()
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{
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const GRFFile * const *end = _grf_files.End();
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for (GRFFile **file = _grf_files.Begin(); file != end; file++) {
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AirportSpec **aslist = (*file)->airportspec;
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if (aslist != NULL) {
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for (uint i = 0; i < NUM_AIRPORTS; i++) {
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AirportSpec *as = aslist[i];
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if (as != NULL) {
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/* We need to remove the tiles layouts */
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for (int j = 0; j < as->num_table; j++) {
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/* remove the individual layouts */
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free((void*)as->table[j]);
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}
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free((void*)as->table);
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free(as);
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}
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}
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free(aslist);
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(*file)->airportspec = NULL;
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}
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AirportTileSpec **&airporttilespec = (*file)->airtspec;
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if (airporttilespec != NULL) {
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for (uint i = 0; i < NUM_AIRPORTTILES; i++) {
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