1 | unit Access_OniSplitArchive;
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2 | interface
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3 |
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4 | uses DataAccess, Classes, TypeDefs;
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5 |
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6 | type
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7 | TAccess_OniSplitArchive = class(TDataAccess)
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8 | private
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9 | Fdat_file: TFileStream;
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10 | Fdat_files: TFiles;
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11 | Fdat_extensionsmap: TExtensionsMap;
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12 | FRawStart: Integer;
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13 | protected
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14 | public
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15 | constructor Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
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16 | procedure Close; override;
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17 |
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18 | function GetFileInfo(FileID: Integer): TFileInfo; override;
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19 | function GetFilesList(Ext: String; Pattern: String;
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20 | NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
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21 | function GetFileCount: Integer; override;
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22 | function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;
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23 |
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24 | procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
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25 | procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
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26 | procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
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27 | procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
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28 |
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29 | function GetDatLinks(FileID: Integer): TDatLinkList; override;
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30 | function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
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31 | function GetRawList(FileID: Integer): TRawDataList; override;
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32 | function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
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33 | function GetRawsForType(RawType: String): TRawDataList; override;
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34 |
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35 | procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream); overload;
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36 | procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer); overload;
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37 | procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
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38 | procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
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39 | procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
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40 | procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
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41 |
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42 | function AppendRawFile(LocSep: Boolean; Src: TStream): Integer; overload; override;
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43 | published
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44 | end;
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45 |
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46 | implementation
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47 |
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48 | uses
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49 | SysUtils, StrUtils, Data, Functions, RawList, DatLinks, Math;
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50 |
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51 |
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52 | (*
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53 | ================================================================================
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54 | Implementation of TOniDataDat
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55 | *)
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56 |
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57 |
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58 | constructor TAccess_OniSplitArchive.Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
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59 | var
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60 | i: Integer;
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61 | header_pc, header_mac, header_macbeta: Boolean;
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62 | Fdat_header: THeader;
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63 | Fdat_filesmap: TFilesMap;
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64 | Fdat_namedfilesmap: TNamedFilesMap;
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65 | const
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66 | HeaderGlobalIdent: TDatGlobalIdent = ($DF, $BC, $03, $00, $32, $33, $52, $56,
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67 | $40, $00, $14, $00, $10, $00, $08, $00);
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68 | begin
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69 | Msg := SM_UnknownError;
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70 | if not FileExists(DatFilename) then
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71 | begin
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72 | Msg := SM_FileNotFound;
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73 | Exit;
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74 | end;
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75 | FFileName := DatFilename;
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76 | Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
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77 | Fdat_file.Read(Fdat_header, SizeOf(Fdat_header));
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78 | header_pc := True;
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79 | header_mac := True;
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80 | header_macbeta := True;
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81 | for i := 0 to High(Fdat_header.GlobalIdent) do
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82 | if Fdat_header.GlobalIdent[i] <> HeaderGlobalIdent[i] then
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83 | begin
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84 | Msg := SM_IncompatibleFile;
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85 | Exit;
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86 | end;
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87 |
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88 | for i := 0 to High(Fdat_header.OSIdent) do
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89 | begin
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90 | if Fdat_header.OSIdent[i] <> HeaderOSIdentWin[i] then
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91 | header_pc := False;
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92 | if Fdat_header.OSIdent[i] <> HeaderOSIdentMac[i] then
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93 | header_mac := False;
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94 | if Fdat_header.OSIdent[i] <> HeaderOSIdentMacBeta[i] then
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95 | header_macbeta := False;
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96 | end;
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97 | if not (header_pc xor header_mac xor header_macbeta) then
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98 | begin
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99 | Msg := SM_IncompatibleFile;
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100 | Exit;
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101 | end
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102 | else
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103 | begin
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104 | if (header_pc and not header_mac and not header_macbeta) then
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105 | FDataOS := DOS_WIN
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106 | else if (not header_pc and header_mac and not header_macbeta) then
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107 | FDataOS := DOS_MAC
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108 | else if (not header_pc and not header_mac and header_macbeta) then
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109 | FDataOS := DOS_MACBETA;
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110 | end;
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111 | SetLength(Fdat_filesmap, Fdat_header.Files);
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112 | SetLength(Fdat_files, Fdat_header.Files);
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113 | for i := 0 to Fdat_header.Files - 1 do
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114 | Fdat_file.Read(Fdat_filesmap[i], SizeOf(Fdat_filesmap[i]));
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115 | for i := 0 to Fdat_header.Files - 1 do
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116 | begin
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117 | Fdat_files[i].ID := i;
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118 | Fdat_files[i].Extension := Fdat_filesmap[i].Extension;
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119 | Fdat_files[i].Extension := ReverseString(Fdat_files[i].Extension);
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120 | Fdat_files[i].Size := Fdat_filesmap[i].FileSize;
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121 | Fdat_files[i].FileType := Fdat_filesmap[i].FileType;
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122 | Fdat_files[i].DatAddr := Fdat_filesmap[i].DataAddr - 8 + Fdat_header.DataAddr;
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123 | if (Fdat_filesmap[i].FileType and $01) = 0 then
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124 | begin
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125 | Fdat_file.Seek(Fdat_filesmap[i].NameAddr + Fdat_header.NamesAddr, soFromBeginning);
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126 | SetLength(Fdat_files[i].Name, 100);
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127 | Fdat_file.Read(Fdat_files[i].Name[1], 100);
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128 | Fdat_files[i].Name := MidStr(Fdat_files[i].Name, 1 + 4, Pos(
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129 | #0, Fdat_files[i].Name) - 1 - 4);
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130 | end
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131 | else
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132 | begin
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133 | Fdat_files[i].Name := '';
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134 | end;
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135 | end;
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136 | Fdat_file.Seek($40 + Fdat_header.Files * $14, soFromBeginning);
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137 | SetLength(Fdat_namedfilesmap, Fdat_header.NamedFiles);
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138 | for i := 0 to Fdat_header.NamedFiles - 1 do
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139 | Fdat_file.Read(Fdat_namedfilesmap[i], SizeOf(Fdat_namedfilesmap[i]));
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140 |
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141 | Fdat_file.Seek($40 + Fdat_header.Files * $14 + Fdat_header.NamedFiles * $8, soFromBeginning);
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142 | SetLength(Fdat_extensionsmap, Fdat_header.Extensions);
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143 | for i := 0 to Fdat_header.Extensions - 1 do
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144 | Fdat_file.Read(Fdat_extensionsmap[i], SizeOf(Fdat_extensionsmap[i]));
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145 |
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146 | Fdat_file.Seek(Fdat_files[0].DatAddr + 7, soFromBeginning);
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147 | Fdat_file.Read(FLevelNumber, 1);
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148 | FLevelNumber := FLevelNumber div 2;
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149 |
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150 | with Fdat_header do
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151 | FRawStart := Ident2[0] + Ident2[1]*256 + Ident2[2]*256*256 + Ident2[3]*256*256*256;
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152 |
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153 | Msg := SM_OK;
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154 | FBackend := DB_ONISPLIT;
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155 | FConnectionID := ConnectionID;
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156 | FChangeRights := [CR_EditDat, CR_EditRaw, CR_AppendRaw];
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157 |
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158 | inherited;
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159 | end;
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160 |
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161 |
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162 |
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163 |
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164 | procedure TAccess_OniSplitArchive.Close;
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165 | begin
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166 | if Assigned(Fdat_file) then
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167 | Fdat_file.Free;
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168 | Self.Free;
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169 | end;
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170 |
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171 |
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172 |
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173 |
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174 | function TAccess_OniSplitArchive.GetFileInfo(fileid: Integer): TFileInfo;
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175 | begin
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176 | if fileid = -1 then
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177 | begin
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178 | Result := inherited GetFileInfo(fileid);
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179 | Exit;
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180 | end;
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181 | if fileid < Self.GetFileCount then
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182 | Result := Fdat_files[fileid]
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183 | else
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184 | Result.ID := -1;
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185 | end;
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186 |
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187 |
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188 |
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189 |
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190 | function TAccess_OniSplitArchive.GetFilesList(ext: String; pattern: String;
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191 | NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
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192 | var
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193 | i: Integer;
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194 | list: TStringList;
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195 | id, name, extension: String;
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196 | fields: TStrings;
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197 |
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198 | procedure getfields;
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199 | begin
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200 | fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
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201 | if SortType in [ST_IDAsc, ST_IDDesc] then
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202 | begin
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203 | id := fields.Strings[0];
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204 | name := fields.Strings[1];
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205 | extension := fields.Strings[2];
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206 | end;
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207 | if SortType in [ST_NameAsc, ST_NameDesc] then
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208 | begin
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209 | id := fields.Strings[1];
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210 | name := fields.Strings[0];
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211 | extension := fields.Strings[2];
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212 | end;
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213 | if SortType in [ST_ExtAsc, ST_ExtDesc] then
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214 | begin
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215 | id := fields.Strings[1];
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216 | name := fields.Strings[2];
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217 | extension := fields.Strings[0];
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218 | end;
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219 | if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
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220 | begin
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221 | id := fields.Strings[2];
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222 | name := fields.Strings[1];
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223 | extension := fields.Strings[0];
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224 | end;
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225 | end;
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226 |
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227 | begin
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228 | list := TStringList.Create;
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229 | list.Sorted := True;
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230 | if ext = '*' then
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231 | ext := '';
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232 | for i := 0 to GetFileCount - 1 do
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233 | begin
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234 | if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
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235 | ((Length(pattern) = 0) or
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236 | (Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
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237 | begin
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238 | if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
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239 | begin
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240 | id := FormatNumber(Fdat_files[i].ID, 5, '0');
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241 | name := Fdat_files[i].Name;
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242 | extension := Fdat_files[i].Extension;
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243 |
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244 | case SortType of
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245 | ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
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246 | ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
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247 | ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
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248 | ST_ExtNameAsc, ST_ExtNameDesc: list.Add(name + ';' + extension + ';' + id);
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249 | end;
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250 | end;
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251 | end;
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252 | end;
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253 | if not Assigned(Result) then
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254 | Result := TStringList.Create;
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255 | if list.Count > 0 then
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256 | begin
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257 | fields := TStringList.Create;
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258 | if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc, ST_ExtNameAsc] then
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259 | for i := 0 to list.Count - 1 do
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260 | begin
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261 | getfields;
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262 | Result.Add(id + '-' + name + '.' + extension);
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263 | end
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264 | else
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265 | for i := list.Count - 1 downto 0 do
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266 | begin
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267 | getfields;
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268 | Result.Add(id + '-' + name + '.' + extension);
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269 | end;
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270 | fields.Free;
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271 | end;
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272 | list.Free;
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273 | end;
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274 |
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275 |
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276 |
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277 |
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278 | function TAccess_OniSplitArchive.GetFileCount: Integer;
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279 | begin
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280 | Result := Length(Fdat_files);
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281 | end;
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282 |
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283 |
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284 |
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285 |
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286 | function TAccess_OniSplitArchive.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
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287 | var
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288 | i: Integer;
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289 | begin
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290 | if not Assigned(Result) then
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291 | Result := TStringList.Create;
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292 | if Result is TStringList then
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293 | TStringList(Result).Sorted := True;
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294 | for i := 0 to Length(Fdat_extensionsmap) - 1 do
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295 | begin
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296 | with Fdat_extensionsmap[i] do
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297 | begin
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298 | case ExtListFormat of
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299 | EF_ExtOnly:
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300 | Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
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301 | EF_ExtCount:
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302 | Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
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303 | ' (' + IntToStr(ExtCount) + ')');
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304 | end;
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305 | end;
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306 | end;
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307 | end;
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308 |
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309 |
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310 |
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311 | procedure TAccess_OniSplitArchive.LoadDatFile(FileID: Integer; var Target: TStream);
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312 | var
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313 | streampos: Integer;
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314 | begin
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315 | if fileid < GetFileCount then
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316 | begin
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317 | if not Assigned(Target) then
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318 | Target := TMemoryStream.Create;
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319 | if GetFileInfo(FileID).Size > 0 then
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320 | begin
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321 | Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
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322 | streampos := Target.Position;
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323 | Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
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324 | Target.Seek(streampos, soFromBeginning);
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325 | end;
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326 | end;
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327 | end;
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328 |
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329 | procedure TAccess_OniSplitArchive.UpdateDatFile(FileID: Integer; Src: TStream);
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330 | begin
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331 | if fileid < GetFileCount then
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332 | begin
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333 | Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
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334 | Fdat_file.CopyFrom(Src, Fdat_files[fileid].Size);
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335 | end;
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336 | end;
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337 |
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338 | procedure TAccess_OniSplitArchive.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
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339 | var
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340 | streampos: Integer;
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341 | begin
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342 | if fileid < GetFileCount then
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343 | begin
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344 | if not Assigned(Target) then
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345 | Target := TMemoryStream.Create;
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346 | Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
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347 | streampos := Target.Position;
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348 | Target.CopyFrom(Fdat_file, size);
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349 | Target.Seek(streampos, soFromBeginning);
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350 | end;
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351 | end;
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352 |
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353 | procedure TAccess_OniSplitArchive.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
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354 | begin
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355 | if fileid < GetFileCount then
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356 | begin
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357 | Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
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358 | Fdat_file.CopyFrom(Src, Size);
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359 | end;
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360 | end;
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361 |
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362 |
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363 |
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364 | function TAccess_OniSplitArchive.GetDatLink(FileID, DatOffset: Integer): TDatLink;
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365 | var
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366 | link: Integer;
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367 | begin
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368 | Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
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369 | LoadDatFilePart(fileid, Result.SrcOffset, 4, @link);
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370 | if link > 0 then
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371 | Result.DestID := link div 256
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372 | else
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373 | Result.DestID := -1;
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374 | end;
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375 |
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376 |
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377 | function TAccess_OniSplitArchive.GetDatLinks(FileID: Integer): TDatLinkList;
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378 | var
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379 | i: Integer;
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380 | link: Integer;
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381 | begin
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382 | Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
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383 | if Length(Result) > 0 then
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384 | begin
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385 | for i := 0 to High(Result) do
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386 | begin
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387 | LoadDatFilePart(fileid, Result[i].SrcOffset, 4, @link);
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388 | if link > 0 then
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389 | Result[i].DestID := link div 256
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390 | else
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391 | Result[i].DestID := -1;
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392 | end;
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393 | end;
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394 | end;
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395 |
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396 |
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397 | function TAccess_OniSplitArchive.GetRawList(FileID: Integer): TRawDataList;
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398 | begin
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399 | Result := RawLists.GetRawList(FConnectionID, FileID);
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400 | end;
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401 |
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402 |
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403 | function TAccess_OniSplitArchive.GetRawsForType(RawType: String): TRawDataList;
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404 | var
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405 | i, j: Integer;
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406 | dats: TStrings;
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407 | list: TRawDataList;
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408 | begin
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409 | dats := nil;
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410 | dats := GetFilesList(MidStr(RawType, 1, 4), '', True, ST_IDAsc);
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411 | for i := 0 to dats.Count - 1 do
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412 | begin
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413 | list := GetRawList(StrToInt(MidStr(dats.Strings[i], 1, 5)));
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414 | for j := 0 to Length(list) - 1 do
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415 | begin
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416 | if (list[j].RawType = RawType) and (list[j].RawSize > 0) then
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417 | begin
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418 | SetLength(Result, Length(Result)+1);
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419 | Result[High(Result)] := list[j];
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420 | end;
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421 | end;
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422 | end;
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423 | end;
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424 |
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425 |
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426 | function TAccess_OniSplitArchive.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
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427 | begin
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428 | Result := RawLists.GetRawInfo(FConnectionID, FileID, DatOffset);
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429 | end;
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430 |
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431 |
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432 |
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433 | procedure TAccess_OniSplitArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream);
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434 | begin
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435 | if not Assigned(Target) then
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436 | Target := TMemoryStream.Create;
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437 | if FRawStart + RawAddr <= Fdat_file.Size then
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438 | begin
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439 | Fdat_file.Seek(FRawStart + RawAddr, soFromBeginning);
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440 | Target.CopyFrom(Fdat_file, size);
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441 | Target.Seek(0, soFromBeginning);
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442 | end;
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---|
443 | end;
|
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444 |
|
---|
445 | procedure TAccess_OniSplitArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
|
---|
446 | var
|
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447 | data: TStream;
|
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448 | begin
|
---|
449 | data := nil;
|
---|
450 | LoadRawOffset(LocSep, RawAddr, Size, data);
|
---|
451 | data.Read(Target^, Size);
|
---|
452 | data.Free;
|
---|
453 | end;
|
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454 |
|
---|
455 | procedure TAccess_OniSplitArchive.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
|
---|
456 | var
|
---|
457 | raw_info: TRawDataInfo;
|
---|
458 | streampos: Integer;
|
---|
459 | begin
|
---|
460 | if not Assigned(Target) then
|
---|
461 | Target := TMemoryStream.Create;
|
---|
462 | if fileid < GetFileCount then
|
---|
463 | begin
|
---|
464 | raw_info := Self.GetRawInfo(FileID, DatOffset);
|
---|
465 |
|
---|
466 | Fdat_file.Seek(FRawStart + raw_info.RawAddr, soFromBeginning);
|
---|
467 | streampos := Target.Position;
|
---|
468 | Target.CopyFrom(Fdat_file, raw_info.RawSize);
|
---|
469 | Target.Seek(streampos, soFromBeginning);
|
---|
470 | end;
|
---|
471 | end;
|
---|
472 |
|
---|
473 | procedure TAccess_OniSplitArchive.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
|
---|
474 | var
|
---|
475 | raw_info: TRawDataInfo;
|
---|
476 | begin
|
---|
477 | if fileid < GetFileCount then
|
---|
478 | begin
|
---|
479 | raw_info := GetRawInfo(FileID, DatOffset);
|
---|
480 |
|
---|
481 | Fdat_file.Seek(FRawStart + raw_info.RawAddr, soFromBeginning);
|
---|
482 | Fdat_file.CopyFrom(Src, Min(raw_info.RawSize, Src.Size));
|
---|
483 | end;
|
---|
484 | end;
|
---|
485 |
|
---|
486 | procedure TAccess_OniSplitArchive.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
|
---|
487 | var
|
---|
488 | Data: TStream;
|
---|
489 | streampos: Integer;
|
---|
490 | begin
|
---|
491 | if not Assigned(Target) then
|
---|
492 | Target := TMemoryStream.Create;
|
---|
493 | if fileid < Self.GetFileCount then
|
---|
494 | begin
|
---|
495 | data := nil;
|
---|
496 | LoadRawFile(FileID, DatOffset, Data);
|
---|
497 | Data.Seek(Offset, soFromBeginning);
|
---|
498 | streampos := Target.Position;
|
---|
499 | Target.CopyFrom(Data, Size);
|
---|
500 | Target.Seek(streampos, soFromBeginning);
|
---|
501 | end;
|
---|
502 | end;
|
---|
503 |
|
---|
504 |
|
---|
505 | procedure TAccess_OniSplitArchive.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
|
---|
506 | var
|
---|
507 | raw_info: TRawDataInfo;
|
---|
508 | begin
|
---|
509 | if fileid < GetFileCount then
|
---|
510 | begin
|
---|
511 | raw_info := GetRawInfo(FileID, DatOffset);
|
---|
512 |
|
---|
513 | Fdat_file.Seek(FRawStart + raw_info.RawAddr + Offset, soFromBeginning);
|
---|
514 | Fdat_file.CopyFrom(Src, Size);
|
---|
515 | end;
|
---|
516 | end;
|
---|
517 |
|
---|
518 | function TAccess_OniSplitArchive.AppendRawFile(LocSep: Boolean; Src: TStream): Integer;
|
---|
519 | const
|
---|
520 | EmptyBytes: Array[0..31] of Byte = (
|
---|
521 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 );
|
---|
522 | begin
|
---|
523 | if (Fdat_file.Size mod 32) > 0 then
|
---|
524 | Fdat_file.Write(EmptyBytes[0], 32 - (Fdat_file.Size mod 32));
|
---|
525 | Result := Fdat_file.Size - FRawStart;
|
---|
526 | Fdat_file.Seek(0, soFromEnd);
|
---|
527 | Fdat_file.CopyFrom(Src, Src.Size);
|
---|
528 | if (Fdat_file.Size mod 32) > 0 then
|
---|
529 | Fdat_file.Write(EmptyBytes[0], 32 - (Fdat_file.Size mod 32));
|
---|
530 | end;
|
---|
531 |
|
---|
532 | end.
|
---|