/**
* Scan a file for Rcd meta-data, and add it to the collection if all is well.
* @param fname Filename of the file to scan.
* @return Error message, or \c nullptr if no error found.
*/
const char *RcdFileCollection::ScanFileForMetaInfo(const char *fname)
{
RcdFileReader rcd_file(fname);
if (!rcd_file.CheckFileHeader("RCDF", 2)) return "Wrong header";
/* Load block. */
if (!rcd_file.ReadBlockHeader() || (strcmp(rcd_file.name, "INFO") != 0)) {
/* End reached or found a non-meta block, end scanning. */
return "No INFO block found.";
}
/* Load INFO block. */
if (rcd_file.version != 1) return "INFO block has wrong version";
uint32 remaining = rcd_file.size;
std::string build = GetString(rcd_file, 16, &remaining);
std::string name = GetString(rcd_file, 64, &remaining);
std::string uri = GetString(rcd_file, 128, &remaining);
std::string website = GetString(rcd_file, 128, &remaining);
std::string description = GetString(rcd_file, 512, &remaining);
if (remaining != 0) return "Error while reading INFO text.";
RcdFileInfo rfi(fname, uri, build);
this->AddFile(rfi);
return nullptr; // Success.
}
/**
* Load sprites from the disk.
* @param filename Name of the RCD file to load.
* @return Error message if load failed, else \c nullptr.
* @todo Try to re-use already loaded blocks.
* @todo Code will use last loaded surface as grass.
*/
const char *SpriteManager::Load(const char *filename)
{
RcdFileReader rcd_file(filename);
if (!rcd_file.CheckFileHeader("RCDF", 2)) return "Bad header";
ImageMap sprites; // Sprites loaded from this file.
TextMap texts; // Texts loaded from this file.
TrackPiecesMap track_pieces; // Track pieces loaded from this file.
/* Load blocks. */
for (uint blk_num = 1;; blk_num++) {
if (!rcd_file.ReadBlockHeader()) return nullptr; // End reached.
/* Skip meta blocks. */
if (strcmp(rcd_file.name, "INFO") == 0) {
rcd_file.SkipBytes(rcd_file.size);
continue;
}
if (strcmp(rcd_file.name, "8PXL") == 0 || strcmp(rcd_file.name, "32PX") == 0) {
ImageData *imd = LoadImage(&rcd_file);
if (imd == nullptr) {
return "Image data loading failed";
}
std::pair<uint, ImageData *> p(blk_num, imd);
sprites.insert(p);
continue;
}
if (strcmp(rcd_file.name, "SURF") == 0) {
if (!this->LoadSURF(&rcd_file, sprites)) return "Surface block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "TSEL") == 0) {
if (!this->LoadTSEL(&rcd_file, sprites)) return "Tile-selection block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "PATH") == 0) {
if (!this->LoadPATH(&rcd_file, sprites)) return "Path-sprites block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "TCOR") == 0) {
if (!this->LoadTCOR(&rcd_file, sprites)) return "Tile-corners block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "FUND") == 0) {
if (!this->LoadFUND(&rcd_file, sprites)) return "Foundation block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "PLAT") == 0) {
if (!this->LoadPLAT(&rcd_file, sprites)) return "Platform block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "SUPP") == 0) {
if (!this->LoadSUPP(&rcd_file, sprites)) return "Support block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "BDIR") == 0) {
if (!this->LoadBDIR(&rcd_file, sprites)) return "Build arrows block loading failed.";
continue;
}
if (strcmp(rcd_file.name, "GCHK") == 0) {
if (!_gui_sprites.LoadGCHK(&rcd_file, sprites)) return "Loading Checkable GUI sprites failed.";
continue;
}
if (strcmp(rcd_file.name, "GBOR") == 0) {
if (!_gui_sprites.LoadGBOR(&rcd_file, sprites)) return "Loading Border GUI sprites failed.";
continue;
}
if (strcmp(rcd_file.name, "GSLI") == 0) {
if (!_gui_sprites.LoadGSLI(&rcd_file, sprites)) return "Loading Slider bar GUI sprites failed.";
continue;
}
if (strcmp(rcd_file.name, "GSCL") == 0) {
if (!_gui_sprites.LoadGSCL(&rcd_file, sprites)) return "Loading Scrollbar GUI sprites failed.";
continue;
}
if (strcmp(rcd_file.name, "GSLP") == 0) {
if (!_gui_sprites.LoadGSLP(&rcd_file, sprites, texts)) return "Loading slope selection GUI sprites failed.";
continue;
}
if (strcmp(rcd_file.name, "ANIM") == 0) {
Animation *anim = new Animation;
if (!anim->Load(&rcd_file)) {
delete anim;
return "Animation failed to load.";
}
if (anim->person_type == PERSON_INVALID || anim->anim_type == ANIM_INVALID) {
delete anim;
return "Unknown animation.";
}
this->AddBlock(anim);
this->AddAnimation(anim);
this->store.RemoveAnimations(anim->anim_type, (PersonType)anim->person_type);
continue;
}
if (strcmp(rcd_file.name, "ANSP") == 0) {
AnimationSprites *an_spr = new AnimationSprites;
if (!an_spr->Load(&rcd_file, sprites)) {
delete an_spr;
return "Animation sprites failed to load.";
}
if (an_spr->person_type == PERSON_INVALID || an_spr->anim_type == ANIM_INVALID) {
delete an_spr;
return "Unknown animation.";
}
this->AddBlock(an_spr);
this->store.AddAnimationSprites(an_spr);
continue;
}
if (strcmp(rcd_file.name, "PRSG") == 0) {
if (!LoadPRSG(&rcd_file)) return "Graphics Person type data failed to load.";
continue;
}
if (strcmp(rcd_file.name, "TEXT") == 0) {
TextData *txt = new TextData;
if (!txt->Load(&rcd_file)) {
delete txt;
return "Text block failed to load.";
}
this->AddBlock(txt);
std::pair<uint, TextData *> p(blk_num, txt);
texts.insert(p);
continue;
}
if (strcmp(rcd_file.name, "SHOP") == 0) {
ShopType *shop_type = new ShopType;
if (!shop_type->Load(&rcd_file, sprites, texts)) {
delete shop_type;
return "Shop type failed to load.";
}
_rides_manager.AddRideType(shop_type);
continue;
}
if (strcmp(rcd_file.name, "TRCK") == 0) {
auto tp = std::make_shared<TrackPiece>();
if (!tp->Load(&rcd_file, sprites)) {
return "Track piece failed to load.";
}
track_pieces.insert({blk_num, tp});
continue;
}
if (strcmp(rcd_file.name, "RCST") == 0) {
CoasterType *ct = new CoasterType;
if (!ct->Load(&rcd_file, texts, track_pieces)) {
delete ct;
return "Coaster type failed to load.";
}
_rides_manager.AddRideType(ct);
continue;
}
if (strcmp(rcd_file.name, "CSPL") == 0) {
if (!LoadCoasterPlatform(&rcd_file, sprites)) return "Coaster platform failed to load.";
continue;
}
if (strcmp(rcd_file.name, "CARS") == 0) {
CarType *ct = GetNewCarType();
if (ct == nullptr) return "No room to store a car type.";
if (!ct->Load(&rcd_file, sprites)) return "Car type failed to load.";
continue;
}
/* Unknown block in the RCD file. Skip the block. */
fprintf(stderr, "Unknown RCD block '%s', version %i, ignoring it\n", rcd_file.name, rcd_file.version);
rcd_file.SkipBytes(rcd_file.size);
}
}
