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00012 #include "stdafx.h"
00013 #include "debug.h"
00014 #include "3rdparty/md5/md5.h"
00015 #include "newgrf.h"
00016 #include "network/network_func.h"
00017 #include "gfx_func.h"
00018 #include "newgrf_text.h"
00019 #include "window_func.h"
00020 #include "progress.h"
00021 #include "video/video_driver.hpp"
00022 #include "strings_func.h"
00023 #include "textfile_gui.h"
00024
00025 #include "fileio_func.h"
00026 #include "fios.h"
00027
00029 GRFTextWrapper::GRFTextWrapper() :
00030 text(NULL)
00031 {
00032 }
00033
00035 GRFTextWrapper::~GRFTextWrapper()
00036 {
00037 CleanUpGRFText(this->text);
00038 }
00039
00045 GRFConfig::GRFConfig(const char *filename) :
00046 name(new GRFTextWrapper()),
00047 info(new GRFTextWrapper()),
00048 url(new GRFTextWrapper()),
00049 num_valid_params(lengthof(param))
00050 {
00051 if (filename != NULL) this->filename = strdup(filename);
00052 this->name->AddRef();
00053 this->info->AddRef();
00054 this->url->AddRef();
00055 }
00056
00061 GRFConfig::GRFConfig(const GRFConfig &config) :
00062 ZeroedMemoryAllocator(),
00063 ident(config.ident),
00064 name(config.name),
00065 info(config.info),
00066 url(config.url),
00067 version(config.version),
00068 min_loadable_version(config.min_loadable_version),
00069 flags(config.flags & ~(1 << GCF_COPY)),
00070 status(config.status),
00071 grf_bugs(config.grf_bugs),
00072 num_params(config.num_params),
00073 num_valid_params(config.num_valid_params),
00074 palette(config.palette),
00075 has_param_defaults(config.has_param_defaults)
00076 {
00077 MemCpyT<uint8>(this->original_md5sum, config.original_md5sum, lengthof(this->original_md5sum));
00078 MemCpyT<uint32>(this->param, config.param, lengthof(this->param));
00079 if (config.filename != NULL) this->filename = strdup(config.filename);
00080 this->name->AddRef();
00081 this->info->AddRef();
00082 this->url->AddRef();
00083 if (config.error != NULL) this->error = new GRFError(*config.error);
00084 for (uint i = 0; i < config.param_info.Length(); i++) {
00085 if (config.param_info[i] == NULL) {
00086 *this->param_info.Append() = NULL;
00087 } else {
00088 *this->param_info.Append() = new GRFParameterInfo(*config.param_info[i]);
00089 }
00090 }
00091 }
00092
00094 GRFConfig::~GRFConfig()
00095 {
00096
00097 if (!HasBit(this->flags, GCF_COPY)) {
00098 free(this->filename);
00099 delete this->error;
00100 }
00101 this->name->Release();
00102 this->info->Release();
00103 this->url->Release();
00104
00105 for (uint i = 0; i < this->param_info.Length(); i++) delete this->param_info[i];
00106 }
00107
00113 const char *GRFConfig::GetName() const
00114 {
00115 const char *name = GetGRFStringFromGRFText(this->name->text);
00116 return StrEmpty(name) ? this->filename : name;
00117 }
00118
00123 const char *GRFConfig::GetDescription() const
00124 {
00125 return GetGRFStringFromGRFText(this->info->text);
00126 }
00127
00132 const char *GRFConfig::GetURL() const
00133 {
00134 return GetGRFStringFromGRFText(this->url->text);
00135 }
00136
00138 void GRFConfig::SetParameterDefaults()
00139 {
00140 this->num_params = 0;
00141 MemSetT<uint32>(this->param, 0, lengthof(this->param));
00142
00143 if (!this->has_param_defaults) return;
00144
00145 for (uint i = 0; i < this->param_info.Length(); i++) {
00146 if (this->param_info[i] == NULL) continue;
00147 this->param_info[i]->SetValue(this, this->param_info[i]->def_value);
00148 }
00149 }
00150
00156 void GRFConfig::SetSuitablePalette()
00157 {
00158 PaletteType pal;
00159 switch (this->palette & GRFP_GRF_MASK) {
00160 case GRFP_GRF_DOS: pal = PAL_DOS; break;
00161 case GRFP_GRF_WINDOWS: pal = PAL_WINDOWS; break;
00162 default: pal = _settings_client.gui.newgrf_default_palette == 1 ? PAL_WINDOWS : PAL_DOS; break;
00163 }
00164 SB(this->palette, GRFP_USE_BIT, 1, pal == PAL_WINDOWS ? GRFP_USE_WINDOWS : GRFP_USE_DOS);
00165 }
00166
00170 void GRFConfig::FinalizeParameterInfo()
00171 {
00172 for (GRFParameterInfo **info = this->param_info.Begin(); info != this->param_info.End(); ++info) {
00173 if (*info == NULL) continue;
00174 (*info)->Finalize();
00175 }
00176 }
00177
00178 GRFConfig *_all_grfs;
00179 GRFConfig *_grfconfig;
00180 GRFConfig *_grfconfig_newgame;
00181 GRFConfig *_grfconfig_static;
00182
00188 GRFError::GRFError(StringID severity, StringID message) :
00189 message(message),
00190 severity(severity)
00191 {
00192 }
00193
00198 GRFError::GRFError(const GRFError &error) :
00199 ZeroedMemoryAllocator(),
00200 custom_message(error.custom_message),
00201 data(error.data),
00202 message(error.message),
00203 severity(error.severity)
00204 {
00205 if (error.custom_message != NULL) this->custom_message = strdup(error.custom_message);
00206 if (error.data != NULL) this->data = strdup(error.data);
00207 memcpy(this->param_value, error.param_value, sizeof(this->param_value));
00208 }
00209
00210 GRFError::~GRFError()
00211 {
00212 free(this->custom_message);
00213 free(this->data);
00214 }
00215
00220 GRFParameterInfo::GRFParameterInfo(uint nr) :
00221 name(NULL),
00222 desc(NULL),
00223 type(PTYPE_UINT_ENUM),
00224 min_value(0),
00225 max_value(UINT32_MAX),
00226 def_value(0),
00227 param_nr(nr),
00228 first_bit(0),
00229 num_bit(32)
00230 {}
00231
00237 GRFParameterInfo::GRFParameterInfo(GRFParameterInfo &info) :
00238 name(DuplicateGRFText(info.name)),
00239 desc(DuplicateGRFText(info.desc)),
00240 type(info.type),
00241 min_value(info.min_value),
00242 max_value(info.max_value),
00243 def_value(info.def_value),
00244 param_nr(info.param_nr),
00245 first_bit(info.first_bit),
00246 num_bit(info.num_bit),
00247 complete_labels(info.complete_labels)
00248 {
00249 for (uint i = 0; i < info.value_names.Length(); i++) {
00250 SmallPair<uint32, GRFText *> *data = info.value_names.Get(i);
00251 this->value_names.Insert(data->first, DuplicateGRFText(data->second));
00252 }
00253 }
00254
00256 GRFParameterInfo::~GRFParameterInfo()
00257 {
00258 CleanUpGRFText(this->name);
00259 CleanUpGRFText(this->desc);
00260 for (uint i = 0; i < this->value_names.Length(); i++) {
00261 SmallPair<uint32, GRFText *> *data = this->value_names.Get(i);
00262 CleanUpGRFText(data->second);
00263 }
00264 }
00265
00271 uint32 GRFParameterInfo::GetValue(struct GRFConfig *config) const
00272 {
00273
00274 if (this->num_bit == 32) return config->param[this->param_nr];
00275 return GB(config->param[this->param_nr], this->first_bit, this->num_bit);
00276 }
00277
00283 void GRFParameterInfo::SetValue(struct GRFConfig *config, uint32 value)
00284 {
00285
00286 if (this->num_bit == 32) {
00287 config->param[this->param_nr] = value;
00288 } else {
00289 SB(config->param[this->param_nr], this->first_bit, this->num_bit, value);
00290 }
00291 config->num_params = max<uint>(config->num_params, this->param_nr + 1);
00292 SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00293 }
00294
00298 void GRFParameterInfo::Finalize()
00299 {
00300 this->complete_labels = true;
00301 for (uint32 value = this->min_value; value <= this->max_value; value++) {
00302 if (!this->value_names.Contains(value)) {
00303 this->complete_labels = false;
00304 break;
00305 }
00306 }
00307 }
00308
00315 bool UpdateNewGRFConfigPalette(int32 p1)
00316 {
00317 for (GRFConfig *c = _grfconfig_newgame; c != NULL; c = c->next) c->SetSuitablePalette();
00318 for (GRFConfig *c = _grfconfig_static; c != NULL; c = c->next) c->SetSuitablePalette();
00319 for (GRFConfig *c = _all_grfs; c != NULL; c = c->next) c->SetSuitablePalette();
00320 return true;
00321 }
00322
00328 size_t GRFGetSizeOfDataSection(FILE *f)
00329 {
00330 extern const byte _grf_cont_v2_sig[];
00331 static const uint header_len = 14;
00332
00333 byte data[header_len];
00334 if (fread(data, 1, header_len, f) == header_len) {
00335 if (data[0] == 0 && data[1] == 0 && MemCmpT(data + 2, _grf_cont_v2_sig, 8) == 0) {
00336
00337 size_t offset = (data[13] << 24) | (data[12] << 16) | (data[11] << 8) | data[10];
00338 return header_len + offset;
00339 }
00340 }
00341
00342 return SIZE_MAX;
00343 }
00344
00351 static bool CalcGRFMD5Sum(GRFConfig *config, Subdirectory subdir)
00352 {
00353 FILE *f;
00354 Md5 checksum;
00355 uint8 buffer[1024];
00356 size_t len, size;
00357
00358
00359 f = FioFOpenFile(config->filename, "rb", subdir, &size);
00360 if (f == NULL) return false;
00361
00362 size_t start = ftell(f);
00363 size = min(size, GRFGetSizeOfDataSection(f));
00364 fseek(f, start, SEEK_SET);
00365
00366
00367 while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
00368 size -= len;
00369 checksum.Append(buffer, len);
00370 }
00371 checksum.Finish(config->ident.md5sum);
00372
00373 FioFCloseFile(f);
00374
00375 return true;
00376 }
00377
00378
00386 bool FillGRFDetails(GRFConfig *config, bool is_static, Subdirectory subdir)
00387 {
00388 if (!FioCheckFileExists(config->filename, subdir)) {
00389 config->status = GCS_NOT_FOUND;
00390 return false;
00391 }
00392
00393
00394 LoadNewGRFFile(config, CONFIG_SLOT, GLS_FILESCAN, subdir);
00395 config->SetSuitablePalette();
00396 config->FinalizeParameterInfo();
00397
00398
00399 if (config->ident.grfid == 0 || config->ident.grfid == 0xFFFFFFFF || config->IsOpenTTDBaseGRF()) return false;
00400
00401 if (is_static) {
00402
00403 LoadNewGRFFile(config, 62, GLS_SAFETYSCAN, subdir);
00404
00405
00406 if (HasBit(config->flags, GCF_UNSAFE)) return false;
00407 }
00408
00409 return CalcGRFMD5Sum(config, subdir);
00410 }
00411
00412
00418 void ClearGRFConfigList(GRFConfig **config)
00419 {
00420 GRFConfig *c, *next;
00421 for (c = *config; c != NULL; c = next) {
00422 next = c->next;
00423 delete c;
00424 }
00425 *config = NULL;
00426 }
00427
00428
00436 GRFConfig **CopyGRFConfigList(GRFConfig **dst, const GRFConfig *src, bool init_only)
00437 {
00438
00439 ClearGRFConfigList(dst);
00440 for (; src != NULL; src = src->next) {
00441 GRFConfig *c = new GRFConfig(*src);
00442
00443 ClrBit(c->flags, GCF_INIT_ONLY);
00444 if (init_only) SetBit(c->flags, GCF_INIT_ONLY);
00445
00446 *dst = c;
00447 dst = &c->next;
00448 }
00449
00450 return dst;
00451 }
00452
00466 static void RemoveDuplicatesFromGRFConfigList(GRFConfig *list)
00467 {
00468 GRFConfig *prev;
00469 GRFConfig *cur;
00470
00471 if (list == NULL) return;
00472
00473 for (prev = list, cur = list->next; cur != NULL; prev = cur, cur = cur->next) {
00474 if (cur->ident.grfid != list->ident.grfid) continue;
00475
00476 prev->next = cur->next;
00477 delete cur;
00478 cur = prev;
00479 }
00480
00481 RemoveDuplicatesFromGRFConfigList(list->next);
00482 }
00483
00488 void AppendStaticGRFConfigs(GRFConfig **dst)
00489 {
00490 GRFConfig **tail = dst;
00491 while (*tail != NULL) tail = &(*tail)->next;
00492
00493 CopyGRFConfigList(tail, _grfconfig_static, false);
00494 RemoveDuplicatesFromGRFConfigList(*dst);
00495 }
00496
00502 void AppendToGRFConfigList(GRFConfig **dst, GRFConfig *el)
00503 {
00504 GRFConfig **tail = dst;
00505 while (*tail != NULL) tail = &(*tail)->next;
00506 *tail = el;
00507
00508 RemoveDuplicatesFromGRFConfigList(*dst);
00509 }
00510
00511
00513 void ResetGRFConfig(bool defaults)
00514 {
00515 CopyGRFConfigList(&_grfconfig, _grfconfig_newgame, !defaults);
00516 AppendStaticGRFConfigs(&_grfconfig);
00517 }
00518
00519
00531 GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig)
00532 {
00533 GRFListCompatibility res = GLC_ALL_GOOD;
00534
00535 for (GRFConfig *c = grfconfig; c != NULL; c = c->next) {
00536 const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
00537 if (f == NULL || HasBit(f->flags, GCF_INVALID)) {
00538 char buf[256];
00539
00540
00541
00542 f = FindGRFConfig(c->ident.grfid, FGCM_COMPATIBLE, NULL, c->version);
00543 if (f != NULL) {
00544 md5sumToString(buf, lastof(buf), c->ident.md5sum);
00545 DEBUG(grf, 1, "NewGRF %08X (%s) not found; checksum %s. Compatibility mode on", BSWAP32(c->ident.grfid), c->filename, buf);
00546 if (!HasBit(c->flags, GCF_COMPATIBLE)) {
00547
00548 SetBit(c->flags, GCF_COMPATIBLE);
00549 memcpy(c->original_md5sum, c->ident.md5sum, sizeof(c->original_md5sum));
00550 }
00551
00552
00553 if (res != GLC_NOT_FOUND) res = GLC_COMPATIBLE;
00554 goto compatible_grf;
00555 }
00556
00557
00558 md5sumToString(buf, lastof(buf), c->ident.md5sum);
00559 DEBUG(grf, 0, "NewGRF %08X (%s) not found; checksum %s", BSWAP32(c->ident.grfid), c->filename, buf);
00560
00561 c->status = GCS_NOT_FOUND;
00562 res = GLC_NOT_FOUND;
00563 } else {
00564 compatible_grf:
00565 DEBUG(grf, 1, "Loading GRF %08X from %s", BSWAP32(f->ident.grfid), f->filename);
00566
00567
00568
00569
00570
00571 if (!HasBit(c->flags, GCF_COPY)) {
00572 free(c->filename);
00573 c->filename = strdup(f->filename);
00574 memcpy(c->ident.md5sum, f->ident.md5sum, sizeof(c->ident.md5sum));
00575 c->name->Release();
00576 c->name = f->name;
00577 c->name->AddRef();
00578 c->info->Release();
00579 c->info = f->name;
00580 c->info->AddRef();
00581 c->error = NULL;
00582 c->version = f->version;
00583 c->min_loadable_version = f->min_loadable_version;
00584 c->num_valid_params = f->num_valid_params;
00585 c->has_param_defaults = f->has_param_defaults;
00586 for (uint i = 0; i < f->param_info.Length(); i++) {
00587 if (f->param_info[i] == NULL) {
00588 *c->param_info.Append() = NULL;
00589 } else {
00590 *c->param_info.Append() = new GRFParameterInfo(*f->param_info[i]);
00591 }
00592 }
00593 }
00594 }
00595 }
00596
00597 return res;
00598 }
00599
00601 class GRFFileScanner : FileScanner {
00602 uint next_update;
00603 uint num_scanned;
00604
00605 public:
00606 GRFFileScanner() : next_update(_realtime_tick), num_scanned(0)
00607 {
00608 }
00609
00610 bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename);
00611
00613 static uint DoScan()
00614 {
00615 GRFFileScanner fs;
00616 int ret = fs.Scan(".grf", NEWGRF_DIR);
00617
00618
00619 _settings_client.gui.last_newgrf_count = fs.num_scanned;
00620 return ret;
00621 }
00622 };
00623
00624 bool GRFFileScanner::AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
00625 {
00626 GRFConfig *c = new GRFConfig(filename + basepath_length);
00627
00628 bool added = true;
00629 if (FillGRFDetails(c, false)) {
00630 if (_all_grfs == NULL) {
00631 _all_grfs = c;
00632 } else {
00633
00634
00635 GRFConfig **pd, *d;
00636 bool stop = false;
00637 for (pd = &_all_grfs; (d = *pd) != NULL; pd = &d->next) {
00638 if (c->ident.grfid == d->ident.grfid && memcmp(c->ident.md5sum, d->ident.md5sum, sizeof(c->ident.md5sum)) == 0) added = false;
00639
00640
00641
00642 if (strcasecmp(c->GetName(), d->GetName()) <= 0) {
00643 stop = true;
00644 } else if (stop) {
00645 break;
00646 }
00647 }
00648 if (added) {
00649 c->next = d;
00650 *pd = c;
00651 }
00652 }
00653 } else {
00654 added = false;
00655 }
00656
00657 this->num_scanned++;
00658 if (this->next_update <= _realtime_tick) {
00659 _modal_progress_work_mutex->EndCritical();
00660 _modal_progress_paint_mutex->BeginCritical();
00661
00662 const char *name = NULL;
00663 if (c->name != NULL) name = GetGRFStringFromGRFText(c->name->text);
00664 if (name == NULL) name = c->filename;
00665 UpdateNewGRFScanStatus(this->num_scanned, name);
00666
00667 _modal_progress_work_mutex->BeginCritical();
00668 _modal_progress_paint_mutex->EndCritical();
00669
00670 this->next_update = _realtime_tick + 200;
00671 }
00672
00673 if (!added) {
00674
00675
00676 delete c;
00677 }
00678
00679 return added;
00680 }
00681
00688 static int CDECL GRFSorter(GRFConfig * const *p1, GRFConfig * const *p2)
00689 {
00690 const GRFConfig *c1 = *p1;
00691 const GRFConfig *c2 = *p2;
00692
00693 return strcasecmp(c1->GetName(), c2->GetName());
00694 }
00695
00700 void DoScanNewGRFFiles(void *callback)
00701 {
00702 _modal_progress_work_mutex->BeginCritical();
00703
00704 ClearGRFConfigList(&_all_grfs);
00705 TarScanner::DoScan(TarScanner::NEWGRF);
00706
00707 DEBUG(grf, 1, "Scanning for NewGRFs");
00708 uint num = GRFFileScanner::DoScan();
00709
00710 DEBUG(grf, 1, "Scan complete, found %d files", num);
00711 if (num != 0 && _all_grfs != NULL) {
00712
00713
00714
00715 GRFConfig **to_sort = MallocT<GRFConfig*>(num);
00716
00717 uint i = 0;
00718 for (GRFConfig *p = _all_grfs; p != NULL; p = p->next, i++) {
00719 to_sort[i] = p;
00720 }
00721
00722 num = i;
00723
00724 QSortT(to_sort, num, &GRFSorter);
00725
00726 for (i = 1; i < num; i++) {
00727 to_sort[i - 1]->next = to_sort[i];
00728 }
00729 to_sort[num - 1]->next = NULL;
00730 _all_grfs = to_sort[0];
00731
00732 free(to_sort);
00733
00734 #ifdef ENABLE_NETWORK
00735 NetworkAfterNewGRFScan();
00736 #endif
00737 }
00738
00739 _modal_progress_work_mutex->EndCritical();
00740 _modal_progress_paint_mutex->BeginCritical();
00741
00742
00743 InvalidateWindowClassesData(WC_SAVELOAD, 0, true);
00744 InvalidateWindowData(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE, GOID_NEWGRF_RESCANNED, true);
00745 if (callback != NULL) ((NewGRFScanCallback*)callback)->OnNewGRFsScanned();
00746
00747 DeleteWindowByClass(WC_MODAL_PROGRESS);
00748 SetModalProgress(false);
00749 MarkWholeScreenDirty();
00750 _modal_progress_paint_mutex->EndCritical();
00751 }
00752
00757 void ScanNewGRFFiles(NewGRFScanCallback *callback)
00758 {
00759
00760 SetModalProgress(true);
00761
00762 MarkWholeScreenDirty();
00763
00764 if (!_video_driver->HasGUI() || !ThreadObject::New(&DoScanNewGRFFiles, callback, NULL)) {
00765 _modal_progress_work_mutex->EndCritical();
00766 _modal_progress_paint_mutex->EndCritical();
00767 DoScanNewGRFFiles(callback);
00768 _modal_progress_paint_mutex->BeginCritical();
00769 _modal_progress_work_mutex->BeginCritical();
00770 } else {
00771 UpdateNewGRFScanStatus(0, NULL);
00772 }
00773 }
00774
00783 const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum, uint32 desired_version)
00784 {
00785 assert((mode == FGCM_EXACT) != (md5sum == NULL));
00786 const GRFConfig *best = NULL;
00787 for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
00788
00789 if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue;
00790
00791 if (md5sum != NULL || mode == FGCM_ANY) return c;
00792
00793 if (mode != FGCM_NEWEST && HasBit(c->flags, GCF_INVALID)) continue;
00794
00795 if (mode == FGCM_COMPATIBLE && (c->version < desired_version || c->min_loadable_version > desired_version)) continue;
00796
00797 if (best == NULL || c->version > best->version) best = c;
00798 }
00799
00800 return best;
00801 }
00802
00803 #ifdef ENABLE_NETWORK
00804
00806 struct UnknownGRF : public GRFIdentifier {
00807 UnknownGRF *next;
00808 GRFTextWrapper *name;
00809 };
00810
00828 GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create)
00829 {
00830 UnknownGRF *grf;
00831 static UnknownGRF *unknown_grfs = NULL;
00832
00833 for (grf = unknown_grfs; grf != NULL; grf = grf->next) {
00834 if (grf->grfid == grfid) {
00835 if (memcmp(md5sum, grf->md5sum, sizeof(grf->md5sum)) == 0) return grf->name;
00836 }
00837 }
00838
00839 if (!create) return NULL;
00840
00841 grf = CallocT<UnknownGRF>(1);
00842 grf->grfid = grfid;
00843 grf->next = unknown_grfs;
00844 grf->name = new GRFTextWrapper();
00845 grf->name->AddRef();
00846
00847 AddGRFTextToList(&grf->name->text, UNKNOWN_GRF_NAME_PLACEHOLDER);
00848 memcpy(grf->md5sum, md5sum, sizeof(grf->md5sum));
00849
00850 unknown_grfs = grf;
00851 return grf->name;
00852 }
00853
00854 #endif
00855
00856
00863 GRFConfig *GetGRFConfig(uint32 grfid, uint32 mask)
00864 {
00865 GRFConfig *c;
00866
00867 for (c = _grfconfig; c != NULL; c = c->next) {
00868 if ((c->ident.grfid & mask) == (grfid & mask)) return c;
00869 }
00870
00871 return NULL;
00872 }
00873
00874
00876 char *GRFBuildParamList(char *dst, const GRFConfig *c, const char *last)
00877 {
00878 uint i;
00879
00880
00881 if (c->num_params == 0) return strecpy(dst, "", last);
00882
00883 for (i = 0; i < c->num_params; i++) {
00884 if (i > 0) dst = strecpy(dst, " ", last);
00885 dst += seprintf(dst, last, "%d", c->param[i]);
00886 }
00887 return dst;
00888 }
00889
00891 static const uint32 OPENTTD_GRAPHICS_BASE_GRF_ID = BSWAP32(0xFF4F5400);
00892
00897 bool GRFConfig::IsOpenTTDBaseGRF() const
00898 {
00899 return (this->ident.grfid & 0x00FFFFFF) == OPENTTD_GRAPHICS_BASE_GRF_ID;
00900 }
00901
00907 const char *GRFConfig::GetTextfile(TextfileType type) const
00908 {
00909 return ::GetTextfile(type, NEWGRF_DIR, this->filename);
00910 }