00001
00002
00003
00004
00005
00006
00007
00008
00009
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 complete_labels(false)
00231 {}
00232
00238 GRFParameterInfo::GRFParameterInfo(GRFParameterInfo &info) :
00239 name(DuplicateGRFText(info.name)),
00240 desc(DuplicateGRFText(info.desc)),
00241 type(info.type),
00242 min_value(info.min_value),
00243 max_value(info.max_value),
00244 def_value(info.def_value),
00245 param_nr(info.param_nr),
00246 first_bit(info.first_bit),
00247 num_bit(info.num_bit),
00248 complete_labels(info.complete_labels)
00249 {
00250 for (uint i = 0; i < info.value_names.Length(); i++) {
00251 SmallPair<uint32, GRFText *> *data = info.value_names.Get(i);
00252 this->value_names.Insert(data->first, DuplicateGRFText(data->second));
00253 }
00254 }
00255
00257 GRFParameterInfo::~GRFParameterInfo()
00258 {
00259 CleanUpGRFText(this->name);
00260 CleanUpGRFText(this->desc);
00261 for (uint i = 0; i < this->value_names.Length(); i++) {
00262 SmallPair<uint32, GRFText *> *data = this->value_names.Get(i);
00263 CleanUpGRFText(data->second);
00264 }
00265 }
00266
00272 uint32 GRFParameterInfo::GetValue(struct GRFConfig *config) const
00273 {
00274
00275 if (this->num_bit == 32) return config->param[this->param_nr];
00276 return GB(config->param[this->param_nr], this->first_bit, this->num_bit);
00277 }
00278
00284 void GRFParameterInfo::SetValue(struct GRFConfig *config, uint32 value)
00285 {
00286
00287 if (this->num_bit == 32) {
00288 config->param[this->param_nr] = value;
00289 } else {
00290 SB(config->param[this->param_nr], this->first_bit, this->num_bit, value);
00291 }
00292 config->num_params = max<uint>(config->num_params, this->param_nr + 1);
00293 SetWindowDirty(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE);
00294 }
00295
00299 void GRFParameterInfo::Finalize()
00300 {
00301 this->complete_labels = true;
00302 for (uint32 value = this->min_value; value <= this->max_value; value++) {
00303 if (!this->value_names.Contains(value)) {
00304 this->complete_labels = false;
00305 break;
00306 }
00307 }
00308 }
00309
00316 bool UpdateNewGRFConfigPalette(int32 p1)
00317 {
00318 for (GRFConfig *c = _grfconfig_newgame; c != NULL; c = c->next) c->SetSuitablePalette();
00319 for (GRFConfig *c = _grfconfig_static; c != NULL; c = c->next) c->SetSuitablePalette();
00320 for (GRFConfig *c = _all_grfs; c != NULL; c = c->next) c->SetSuitablePalette();
00321 return true;
00322 }
00323
00329 size_t GRFGetSizeOfDataSection(FILE *f)
00330 {
00331 extern const byte _grf_cont_v2_sig[];
00332 static const uint header_len = 14;
00333
00334 byte data[header_len];
00335 if (fread(data, 1, header_len, f) == header_len) {
00336 if (data[0] == 0 && data[1] == 0 && MemCmpT(data + 2, _grf_cont_v2_sig, 8) == 0) {
00337
00338 size_t offset = ((size_t)data[13] << 24) | ((size_t)data[12] << 16) | ((size_t)data[11] << 8) | (size_t)data[10];
00339 if (offset >= 1 * 1024 * 1024 * 1024) {
00340 DEBUG(grf, 0, "Unexpectedly large offset for NewGRF");
00341
00342
00343
00344 return SIZE_MAX;
00345 }
00346 return header_len + offset;
00347 }
00348 }
00349
00350 return SIZE_MAX;
00351 }
00352
00359 static bool CalcGRFMD5Sum(GRFConfig *config, Subdirectory subdir)
00360 {
00361 FILE *f;
00362 Md5 checksum;
00363 uint8 buffer[1024];
00364 size_t len, size;
00365
00366
00367 f = FioFOpenFile(config->filename, "rb", subdir, &size);
00368 if (f == NULL) return false;
00369
00370 long start = ftell(f);
00371 size = min(size, GRFGetSizeOfDataSection(f));
00372
00373 if (start < 0 || fseek(f, start, SEEK_SET) < 0) {
00374 FioFCloseFile(f);
00375 return false;
00376 }
00377
00378
00379 while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
00380 size -= len;
00381 checksum.Append(buffer, len);
00382 }
00383 checksum.Finish(config->ident.md5sum);
00384
00385 FioFCloseFile(f);
00386
00387 return true;
00388 }
00389
00390
00398 bool FillGRFDetails(GRFConfig *config, bool is_static, Subdirectory subdir)
00399 {
00400 if (!FioCheckFileExists(config->filename, subdir)) {
00401 config->status = GCS_NOT_FOUND;
00402 return false;
00403 }
00404
00405
00406 LoadNewGRFFile(config, CONFIG_SLOT, GLS_FILESCAN, subdir);
00407 config->SetSuitablePalette();
00408 config->FinalizeParameterInfo();
00409
00410
00411 if (config->ident.grfid == 0 || config->ident.grfid == 0xFFFFFFFF || config->IsOpenTTDBaseGRF()) return false;
00412
00413 if (is_static) {
00414
00415 LoadNewGRFFile(config, 62, GLS_SAFETYSCAN, subdir);
00416
00417
00418 if (HasBit(config->flags, GCF_UNSAFE)) return false;
00419 }
00420
00421 return CalcGRFMD5Sum(config, subdir);
00422 }
00423
00424
00430 void ClearGRFConfigList(GRFConfig **config)
00431 {
00432 GRFConfig *c, *next;
00433 for (c = *config; c != NULL; c = next) {
00434 next = c->next;
00435 delete c;
00436 }
00437 *config = NULL;
00438 }
00439
00440
00448 GRFConfig **CopyGRFConfigList(GRFConfig **dst, const GRFConfig *src, bool init_only)
00449 {
00450
00451 ClearGRFConfigList(dst);
00452 for (; src != NULL; src = src->next) {
00453 GRFConfig *c = new GRFConfig(*src);
00454
00455 ClrBit(c->flags, GCF_INIT_ONLY);
00456 if (init_only) SetBit(c->flags, GCF_INIT_ONLY);
00457
00458 *dst = c;
00459 dst = &c->next;
00460 }
00461
00462 return dst;
00463 }
00464
00478 static void RemoveDuplicatesFromGRFConfigList(GRFConfig *list)
00479 {
00480 GRFConfig *prev;
00481 GRFConfig *cur;
00482
00483 if (list == NULL) return;
00484
00485 for (prev = list, cur = list->next; cur != NULL; prev = cur, cur = cur->next) {
00486 if (cur->ident.grfid != list->ident.grfid) continue;
00487
00488 prev->next = cur->next;
00489 delete cur;
00490 cur = prev;
00491 }
00492
00493 RemoveDuplicatesFromGRFConfigList(list->next);
00494 }
00495
00500 void AppendStaticGRFConfigs(GRFConfig **dst)
00501 {
00502 GRFConfig **tail = dst;
00503 while (*tail != NULL) tail = &(*tail)->next;
00504
00505 CopyGRFConfigList(tail, _grfconfig_static, false);
00506 RemoveDuplicatesFromGRFConfigList(*dst);
00507 }
00508
00514 void AppendToGRFConfigList(GRFConfig **dst, GRFConfig *el)
00515 {
00516 GRFConfig **tail = dst;
00517 while (*tail != NULL) tail = &(*tail)->next;
00518 *tail = el;
00519
00520 RemoveDuplicatesFromGRFConfigList(*dst);
00521 }
00522
00523
00525 void ResetGRFConfig(bool defaults)
00526 {
00527 CopyGRFConfigList(&_grfconfig, _grfconfig_newgame, !defaults);
00528 AppendStaticGRFConfigs(&_grfconfig);
00529 }
00530
00531
00543 GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig)
00544 {
00545 GRFListCompatibility res = GLC_ALL_GOOD;
00546
00547 for (GRFConfig *c = grfconfig; c != NULL; c = c->next) {
00548 const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
00549 if (f == NULL || HasBit(f->flags, GCF_INVALID)) {
00550 char buf[256];
00551
00552
00553
00554 f = FindGRFConfig(c->ident.grfid, FGCM_COMPATIBLE, NULL, c->version);
00555 if (f != NULL) {
00556 md5sumToString(buf, lastof(buf), c->ident.md5sum);
00557 DEBUG(grf, 1, "NewGRF %08X (%s) not found; checksum %s. Compatibility mode on", BSWAP32(c->ident.grfid), c->filename, buf);
00558 if (!HasBit(c->flags, GCF_COMPATIBLE)) {
00559
00560 SetBit(c->flags, GCF_COMPATIBLE);
00561 memcpy(c->original_md5sum, c->ident.md5sum, sizeof(c->original_md5sum));
00562 }
00563
00564
00565 if (res != GLC_NOT_FOUND) res = GLC_COMPATIBLE;
00566 goto compatible_grf;
00567 }
00568
00569
00570 md5sumToString(buf, lastof(buf), c->ident.md5sum);
00571 DEBUG(grf, 0, "NewGRF %08X (%s) not found; checksum %s", BSWAP32(c->ident.grfid), c->filename, buf);
00572
00573 c->status = GCS_NOT_FOUND;
00574 res = GLC_NOT_FOUND;
00575 } else {
00576 compatible_grf:
00577 DEBUG(grf, 1, "Loading GRF %08X from %s", BSWAP32(f->ident.grfid), f->filename);
00578
00579
00580
00581
00582
00583 if (!HasBit(c->flags, GCF_COPY)) {
00584 free(c->filename);
00585 c->filename = strdup(f->filename);
00586 memcpy(c->ident.md5sum, f->ident.md5sum, sizeof(c->ident.md5sum));
00587 c->name->Release();
00588 c->name = f->name;
00589 c->name->AddRef();
00590 c->info->Release();
00591 c->info = f->name;
00592 c->info->AddRef();
00593 c->error = NULL;
00594 c->version = f->version;
00595 c->min_loadable_version = f->min_loadable_version;
00596 c->num_valid_params = f->num_valid_params;
00597 c->has_param_defaults = f->has_param_defaults;
00598 for (uint i = 0; i < f->param_info.Length(); i++) {
00599 if (f->param_info[i] == NULL) {
00600 *c->param_info.Append() = NULL;
00601 } else {
00602 *c->param_info.Append() = new GRFParameterInfo(*f->param_info[i]);
00603 }
00604 }
00605 }
00606 }
00607 }
00608
00609 return res;
00610 }
00611
00613 class GRFFileScanner : FileScanner {
00614 uint next_update;
00615 uint num_scanned;
00616
00617 public:
00618 GRFFileScanner() : next_update(_realtime_tick), num_scanned(0)
00619 {
00620 }
00621
00622 bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename);
00623
00625 static uint DoScan()
00626 {
00627 GRFFileScanner fs;
00628 int ret = fs.Scan(".grf", NEWGRF_DIR);
00629
00630
00631 _settings_client.gui.last_newgrf_count = fs.num_scanned;
00632 return ret;
00633 }
00634 };
00635
00636 bool GRFFileScanner::AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
00637 {
00638 GRFConfig *c = new GRFConfig(filename + basepath_length);
00639
00640 bool added = true;
00641 if (FillGRFDetails(c, false)) {
00642 if (_all_grfs == NULL) {
00643 _all_grfs = c;
00644 } else {
00645
00646
00647 GRFConfig **pd, *d;
00648 bool stop = false;
00649 for (pd = &_all_grfs; (d = *pd) != NULL; pd = &d->next) {
00650 if (c->ident.grfid == d->ident.grfid && memcmp(c->ident.md5sum, d->ident.md5sum, sizeof(c->ident.md5sum)) == 0) added = false;
00651
00652
00653
00654 if (strcasecmp(c->GetName(), d->GetName()) <= 0) {
00655 stop = true;
00656 } else if (stop) {
00657 break;
00658 }
00659 }
00660 if (added) {
00661 c->next = d;
00662 *pd = c;
00663 }
00664 }
00665 } else {
00666 added = false;
00667 }
00668
00669 this->num_scanned++;
00670 if (this->next_update <= _realtime_tick) {
00671 _modal_progress_work_mutex->EndCritical();
00672 _modal_progress_paint_mutex->BeginCritical();
00673
00674 const char *name = NULL;
00675 if (c->name != NULL) name = GetGRFStringFromGRFText(c->name->text);
00676 if (name == NULL) name = c->filename;
00677 UpdateNewGRFScanStatus(this->num_scanned, name);
00678
00679 _modal_progress_work_mutex->BeginCritical();
00680 _modal_progress_paint_mutex->EndCritical();
00681
00682 this->next_update = _realtime_tick + 200;
00683 }
00684
00685 if (!added) {
00686
00687
00688 delete c;
00689 }
00690
00691 return added;
00692 }
00693
00700 static int CDECL GRFSorter(GRFConfig * const *p1, GRFConfig * const *p2)
00701 {
00702 const GRFConfig *c1 = *p1;
00703 const GRFConfig *c2 = *p2;
00704
00705 return strcasecmp(c1->GetName(), c2->GetName());
00706 }
00707
00712 void DoScanNewGRFFiles(void *callback)
00713 {
00714 _modal_progress_work_mutex->BeginCritical();
00715
00716 ClearGRFConfigList(&_all_grfs);
00717 TarScanner::DoScan(TarScanner::NEWGRF);
00718
00719 DEBUG(grf, 1, "Scanning for NewGRFs");
00720 uint num = GRFFileScanner::DoScan();
00721
00722 DEBUG(grf, 1, "Scan complete, found %d files", num);
00723 if (num != 0 && _all_grfs != NULL) {
00724
00725
00726
00727 GRFConfig **to_sort = MallocT<GRFConfig*>(num);
00728
00729 uint i = 0;
00730 for (GRFConfig *p = _all_grfs; p != NULL; p = p->next, i++) {
00731 to_sort[i] = p;
00732 }
00733
00734 num = i;
00735
00736 QSortT(to_sort, num, &GRFSorter);
00737
00738 for (i = 1; i < num; i++) {
00739 to_sort[i - 1]->next = to_sort[i];
00740 }
00741 to_sort[num - 1]->next = NULL;
00742 _all_grfs = to_sort[0];
00743
00744 free(to_sort);
00745
00746 #ifdef ENABLE_NETWORK
00747 NetworkAfterNewGRFScan();
00748 #endif
00749 }
00750
00751 _modal_progress_work_mutex->EndCritical();
00752 _modal_progress_paint_mutex->BeginCritical();
00753
00754
00755 InvalidateWindowClassesData(WC_SAVELOAD, 0, true);
00756 InvalidateWindowData(WC_GAME_OPTIONS, WN_GAME_OPTIONS_NEWGRF_STATE, GOID_NEWGRF_RESCANNED, true);
00757 if (callback != NULL) ((NewGRFScanCallback*)callback)->OnNewGRFsScanned();
00758
00759 DeleteWindowByClass(WC_MODAL_PROGRESS);
00760 SetModalProgress(false);
00761 MarkWholeScreenDirty();
00762 _modal_progress_paint_mutex->EndCritical();
00763 }
00764
00769 void ScanNewGRFFiles(NewGRFScanCallback *callback)
00770 {
00771
00772 SetModalProgress(true);
00773
00774 MarkWholeScreenDirty();
00775
00776 if (!VideoDriver::GetInstance()->HasGUI() || !ThreadObject::New(&DoScanNewGRFFiles, callback, NULL)) {
00777 _modal_progress_work_mutex->EndCritical();
00778 _modal_progress_paint_mutex->EndCritical();
00779 DoScanNewGRFFiles(callback);
00780 _modal_progress_paint_mutex->BeginCritical();
00781 _modal_progress_work_mutex->BeginCritical();
00782 } else {
00783 UpdateNewGRFScanStatus(0, NULL);
00784 }
00785 }
00786
00795 const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum, uint32 desired_version)
00796 {
00797 assert((mode == FGCM_EXACT) != (md5sum == NULL));
00798 const GRFConfig *best = NULL;
00799 for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
00800
00801 if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue;
00802
00803 if (md5sum != NULL || mode == FGCM_ANY) return c;
00804
00805 if (mode != FGCM_NEWEST && HasBit(c->flags, GCF_INVALID)) continue;
00806
00807 if (mode == FGCM_COMPATIBLE && (c->version < desired_version || c->min_loadable_version > desired_version)) continue;
00808
00809 if (best == NULL || c->version > best->version) best = c;
00810 }
00811
00812 return best;
00813 }
00814
00815 #ifdef ENABLE_NETWORK
00816
00818 struct UnknownGRF : public GRFIdentifier {
00819 UnknownGRF *next;
00820 GRFTextWrapper *name;
00821 };
00822
00840 GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create)
00841 {
00842 UnknownGRF *grf;
00843 static UnknownGRF *unknown_grfs = NULL;
00844
00845 for (grf = unknown_grfs; grf != NULL; grf = grf->next) {
00846 if (grf->grfid == grfid) {
00847 if (memcmp(md5sum, grf->md5sum, sizeof(grf->md5sum)) == 0) return grf->name;
00848 }
00849 }
00850
00851 if (!create) return NULL;
00852
00853 grf = CallocT<UnknownGRF>(1);
00854 grf->grfid = grfid;
00855 grf->next = unknown_grfs;
00856 grf->name = new GRFTextWrapper();
00857 grf->name->AddRef();
00858
00859 AddGRFTextToList(&grf->name->text, UNKNOWN_GRF_NAME_PLACEHOLDER);
00860 memcpy(grf->md5sum, md5sum, sizeof(grf->md5sum));
00861
00862 unknown_grfs = grf;
00863 return grf->name;
00864 }
00865
00866 #endif
00867
00868
00875 GRFConfig *GetGRFConfig(uint32 grfid, uint32 mask)
00876 {
00877 GRFConfig *c;
00878
00879 for (c = _grfconfig; c != NULL; c = c->next) {
00880 if ((c->ident.grfid & mask) == (grfid & mask)) return c;
00881 }
00882
00883 return NULL;
00884 }
00885
00886
00888 char *GRFBuildParamList(char *dst, const GRFConfig *c, const char *last)
00889 {
00890 uint i;
00891
00892
00893 if (c->num_params == 0) return strecpy(dst, "", last);
00894
00895 for (i = 0; i < c->num_params; i++) {
00896 if (i > 0) dst = strecpy(dst, " ", last);
00897 dst += seprintf(dst, last, "%d", c->param[i]);
00898 }
00899 return dst;
00900 }
00901
00903 static const uint32 OPENTTD_GRAPHICS_BASE_GRF_ID = BSWAP32(0xFF4F5400);
00904
00909 bool GRFConfig::IsOpenTTDBaseGRF() const
00910 {
00911 return (this->ident.grfid & 0x00FFFFFF) == OPENTTD_GRAPHICS_BASE_GRF_ID;
00912 }
00913
00919 const char *GRFConfig::GetTextfile(TextfileType type) const
00920 {
00921 return ::GetTextfile(type, NEWGRF_DIR, this->filename);
00922 }