| 1 | UNIT Unit2_functions;
|
|---|
| 2 | INTERFACE
|
|---|
| 3 | USES Classes, SysUtils, StrUtils, Math, Unit3_data, Unit4_Exporters;
|
|---|
| 4 |
|
|---|
| 5 | FUNCTION LoadDatInfos(filename:String):Boolean;
|
|---|
| 6 | FUNCTION LoadDatFile(fileid:LongWord):Tdata;
|
|---|
| 7 | FUNCTION LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
|
|---|
| 8 | FUNCTION LoadRawFilePart(address,size:LongWord; target:Pointer):Boolean;
|
|---|
| 9 | FUNCTION FormatNumber(value:LongWord; width:Byte; leadingzeros:Char):String;
|
|---|
| 10 | FUNCTION FormatFileSize(size:LongWord):String;
|
|---|
| 11 | FUNCTION CreateHexString(data:Tdata; HexOnly:Boolean):String;
|
|---|
| 12 | FUNCTION ExportFile(fileid:LongWord; convert:Boolean):Integer;
|
|---|
| 13 | FUNCTION GetWinFileName(fileid:LongWord; substring:String):String;
|
|---|
| 14 | FUNCTION GetExtractPath:String;
|
|---|
| 15 |
|
|---|
| 16 |
|
|---|
| 17 |
|
|---|
| 18 | IMPLEMENTATION
|
|---|
| 19 |
|
|---|
| 20 |
|
|---|
| 21 | FUNCTION LoadDatInfos(filename:String):Boolean;
|
|---|
| 22 | VAR i:LongWord;
|
|---|
| 23 | dat_file:TFileStream;
|
|---|
| 24 | BEGIN
|
|---|
| 25 | Result:=True;
|
|---|
| 26 | IF Length(filename)>0 THEN dat_file.Free;
|
|---|
| 27 | dat_filename:=filename;
|
|---|
| 28 | dat_file:=TFileStream.Create(filename, fmOpenRead);
|
|---|
| 29 | dat_file.Read(dat_header,SizeOf(dat_header));
|
|---|
| 30 | FOR i:=0 TO High(dat_header.Ident) DO
|
|---|
| 31 | IF dat_header.Ident[i]<>header_ident1[i] THEN BEGIN
|
|---|
| 32 | Result:=False;
|
|---|
| 33 | Exit;
|
|---|
| 34 | END;
|
|---|
| 35 | { FOR i:=0 TO High(dat_header.Ident2) DO
|
|---|
| 36 | IF dat_header.Ident2[i]<>header_ident2[i] THEN BEGIN
|
|---|
| 37 | Result:=False;
|
|---|
| 38 | Exit;
|
|---|
| 39 | END;
|
|---|
| 40 | }
|
|---|
| 41 | SetLength(dat_filesmap,dat_header.Files);
|
|---|
| 42 | SetLength(dat_files,dat_header.Files);
|
|---|
| 43 | FOR i:=0 TO dat_header.Files-1 DO dat_file.Read(dat_filesmap[i],SizeOf(dat_filesmap[i]));
|
|---|
| 44 | FOR i:=0 TO dat_header.Files-1 DO BEGIN
|
|---|
| 45 | dat_files[i].Extension:=dat_filesmap[i].Extension;
|
|---|
| 46 | dat_files[i].Extension:=ReverseString(dat_files[i].Extension);
|
|---|
| 47 | dat_files[i].Size:=dat_filesmap[i].FileSize;
|
|---|
| 48 | dat_files[i].FileType:=dat_filesmap[i].FileType;
|
|---|
| 49 | dat_files[i].DatAddr:=dat_filesmap[i].DataAddr-8+dat_header.DataAddr;
|
|---|
| 50 | IF (dat_filesmap[i].FileType AND $01)=0 THEN BEGIN
|
|---|
| 51 | dat_file.Seek(dat_filesmap[i].NameAddr+dat_header.NamesAddr,soFromBeginning);
|
|---|
| 52 | SetLength(dat_files[i].Name,100);
|
|---|
| 53 | dat_file.Read(dat_files[i].Name[1],100);
|
|---|
| 54 | dat_files[i].Name:=MidStr(dat_files[i].Name,1+4,Pos(#0,dat_files[i].Name)-1-4);
|
|---|
| 55 | END ELSE BEGIN
|
|---|
| 56 | dat_files[i].Name:='';
|
|---|
| 57 | END;
|
|---|
| 58 | dat_files[i].FileName:=FormatNumber(i,5,'0')+'-'+dat_files[i].Name+'.'+dat_files[i].Extension;
|
|---|
| 59 | END;
|
|---|
| 60 | dat_file.Seek($40+dat_header.Files*$14,soFromBeginning);
|
|---|
| 61 | SetLength(dat_namedfilesmap,dat_header.NamedFiles);
|
|---|
| 62 | FOR i:=0 TO dat_header.NamedFiles-1 DO dat_file.Read(dat_namedfilesmap[i],SizeOf(dat_namedfilesmap[i]));
|
|---|
| 63 |
|
|---|
| 64 | dat_file.Seek($40+dat_header.Files*$14+dat_header.NamedFiles*$8,soFromBeginning);
|
|---|
| 65 | SetLength(dat_extensionsmap,dat_header.Extensions);
|
|---|
| 66 | FOR i:=0 TO dat_header.Extensions-1 DO dat_file.Read(dat_extensionsmap[i],SizeOf(dat_extensionsmap[i]));
|
|---|
| 67 |
|
|---|
| 68 | dat_file.Free;
|
|---|
| 69 | END;
|
|---|
| 70 |
|
|---|
| 71 |
|
|---|
| 72 | FUNCTION LoadDatFile(fileid:LongWord):Tdata;
|
|---|
| 73 | VAR dat_file:TFileStream;
|
|---|
| 74 | BEGIN
|
|---|
| 75 | dat_file:=TFileStream.Create(dat_filename, fmOpenRead);
|
|---|
| 76 | dat_file.Seek(dat_files[fileid].DatAddr,soFromBeginning);
|
|---|
| 77 | SetLength(Result,dat_files[fileid].Size);
|
|---|
| 78 | dat_file.Read(Result[0],dat_files[fileid].Size);
|
|---|
| 79 | dat_file.Free;
|
|---|
| 80 | END;
|
|---|
| 81 |
|
|---|
| 82 |
|
|---|
| 83 | FUNCTION LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
|
|---|
| 84 | VAR dat_file:TFileStream;
|
|---|
| 85 | BEGIN
|
|---|
| 86 | dat_file:=TFileStream.Create(dat_filename, fmOpenRead);
|
|---|
| 87 | Result:=True;
|
|---|
| 88 | dat_file.Seek(dat_files[fileid].DatAddr+offset,soFromBeginning);
|
|---|
| 89 | dat_file.Read(target^,size);
|
|---|
| 90 | dat_file.Free;
|
|---|
| 91 | END;
|
|---|
| 92 |
|
|---|
| 93 |
|
|---|
| 94 | FUNCTION LoadRawFilePart(address,size:LongWord; target:Pointer):Boolean;
|
|---|
| 95 | VAR
|
|---|
| 96 | filestream:TFileStream;
|
|---|
| 97 | BEGIN
|
|---|
| 98 | Result:=True;
|
|---|
| 99 | filestream:=TFileStream.Create(AnsiReplaceStr(dat_filename,'.dat','.raw'),fmOpenRead);
|
|---|
| 100 | filestream.Seek(address,soFromBeginning);
|
|---|
| 101 | filestream.Read(target^,size);
|
|---|
| 102 | filestream.Free;
|
|---|
| 103 | END;
|
|---|
| 104 |
|
|---|
| 105 |
|
|---|
| 106 | FUNCTION FormatNumber(value:LongWord; width:Byte; leadingzeros:Char):String;
|
|---|
| 107 | BEGIN
|
|---|
| 108 | Result:=AnsiReplaceStr(Format('%'+IntToStr(width)+'u',[value]),' ',leadingzeros);
|
|---|
| 109 | END;
|
|---|
| 110 |
|
|---|
| 111 |
|
|---|
| 112 | FUNCTION FormatFileSize(size:LongWord):String;
|
|---|
| 113 | BEGIN
|
|---|
| 114 | IF size>=1024*1024*1024 THEN BEGIN
|
|---|
| 115 | Result:=FloatToStrF(size/1024/1024/1024,ffFixed,5,1)+' GB';
|
|---|
| 116 | END ELSE BEGIN
|
|---|
| 117 | IF size>=1024*1024 THEN BEGIN
|
|---|
| 118 | Result:=FloatToStrF(size/1024/1024,ffFixed,5,1)+' MB';
|
|---|
| 119 | END ELSE BEGIN
|
|---|
| 120 | IF size>=1024 THEN BEGIN
|
|---|
| 121 | Result:=FloatToStrF(size/1024,ffFixed,5,1)+' KB';
|
|---|
| 122 | END ELSE BEGIN
|
|---|
| 123 | Result:=IntToStr(size)+' B';
|
|---|
| 124 | END;
|
|---|
| 125 | END;
|
|---|
| 126 | END;
|
|---|
| 127 | END;
|
|---|
| 128 |
|
|---|
| 129 |
|
|---|
| 130 | FUNCTION CreateHexString(data:Tdata; HexOnly:Boolean):String;
|
|---|
| 131 | VAR
|
|---|
| 132 | string_build,ascii_version:String;
|
|---|
| 133 | i:LongWord;
|
|---|
| 134 | BEGIN
|
|---|
| 135 | string_build:='';
|
|---|
| 136 | ascii_version:='';
|
|---|
| 137 | FOR i:=0 TO High(data) DO BEGIN
|
|---|
| 138 | IF NOT HexOnly THEN
|
|---|
| 139 | IF (i MOD 16)=0 THEN
|
|---|
| 140 | string_build:=string_build+'0x'+IntToHex(i,6)+' ';
|
|---|
| 141 | string_build:=string_build+IntToHex(data[i],2);
|
|---|
| 142 | IF NOT HexOnly THEN BEGIN
|
|---|
| 143 | IF data[i]>=32 THEN ascii_version:=ascii_version+Chr(data[i])
|
|---|
| 144 | ELSE ascii_version:=ascii_version+'.';
|
|---|
| 145 | IF ((i+1) MOD 2)=0 THEN string_build:=string_build+#32;
|
|---|
| 146 | IF ((i+1) MOD 16)=0 THEN BEGIN
|
|---|
| 147 | string_build:=string_build+#32+ascii_version+CrLf;
|
|---|
| 148 | ascii_version:='';
|
|---|
| 149 | END;
|
|---|
| 150 | END;
|
|---|
| 151 | END;
|
|---|
| 152 | Result:=string_build;
|
|---|
| 153 | END;
|
|---|
| 154 |
|
|---|
| 155 |
|
|---|
| 156 | FUNCTION ExportFile(fileid:LongWord; convert:Boolean):Integer;
|
|---|
| 157 | VAR
|
|---|
| 158 | i:Byte;
|
|---|
| 159 | BEGIN
|
|---|
| 160 | Result:=export_noerror;
|
|---|
| 161 |
|
|---|
| 162 | ExportDefFileHeader(fileid);
|
|---|
| 163 |
|
|---|
| 164 | IF (dat_files[fileid].FileType AND $02)=0 THEN BEGIN
|
|---|
| 165 | ExportDatFile(fileid);
|
|---|
| 166 |
|
|---|
| 167 | FOR i:=1 TO Length(ExportHandlers)+1 DO BEGIN
|
|---|
| 168 | IF i<=Length(ExportHandlers) THEN BEGIN
|
|---|
| 169 | IF ExportHandlers[i].Ext=dat_files[fileid].Extension THEN BEGIN
|
|---|
| 170 | IF ExportHandlers[i].needed THEN BEGIN
|
|---|
| 171 | CASE ExportHandlers[i].Handler(fileid,convert) OF
|
|---|
| 172 | 0: Result:=0;
|
|---|
| 173 | ELSE
|
|---|
| 174 | Result:=export_handlererror;
|
|---|
| 175 | END;
|
|---|
| 176 | END;
|
|---|
| 177 | Break;
|
|---|
| 178 | END;
|
|---|
| 179 | END ELSE BEGIN
|
|---|
| 180 | Result:=export_nohandler;
|
|---|
| 181 | END;
|
|---|
| 182 | END;
|
|---|
| 183 | END;
|
|---|
| 184 | END;
|
|---|
| 185 |
|
|---|
| 186 |
|
|---|
| 187 | FUNCTION GetWinFileName(fileid:LongWord; substring:String):String;
|
|---|
| 188 | VAR
|
|---|
| 189 | name:String;
|
|---|
| 190 | BEGIN
|
|---|
| 191 | name:=dat_files[fileid].Name;
|
|---|
| 192 | name:=AnsiReplaceStr(name,'\','__');
|
|---|
| 193 | name:=AnsiReplaceStr(name,'/','__');
|
|---|
| 194 | name:=AnsiReplaceStr(name,'>','__');
|
|---|
| 195 | name:=AnsiReplaceStr(name,'<','__');
|
|---|
| 196 | Result:=FormatNumber(fileid,5,'0')+'-'+name+'.'+substring+'.'+dat_files[fileid].Extension;
|
|---|
| 197 | END;
|
|---|
| 198 |
|
|---|
| 199 | FUNCTION GetExtractPath:String;
|
|---|
| 200 | BEGIN
|
|---|
| 201 | Result:=ExtractFilePath(dat_filename)+'\extracted_'+ExtractFileName(dat_filename);
|
|---|
| 202 | END;
|
|---|
| 203 |
|
|---|
| 204 |
|
|---|
| 205 | END.
|
|---|
