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root/Oni2/oup/current/DataAccess/Access_OniArchive.pas

Comparing oup/current/DataAccess/Access_OniArchive.pas (file contents):
Revision 112 by alloc, Thu Feb 22 00:37:39 2007 UTC vs.
Revision 252 by alloc, Sun Dec 16 14:44:16 2007 UTC

#	Line 11 | Line 11 | type
11		Fsep_file:           TFileStream;
12		Fdat_files:          TFiles;
13		Fdat_extensionsmap:  TExtensionsMap;
14	–	FUnloadWhenUnused:   Boolean;
15	–	FDatOpened:          Boolean;
16	–	FRawOpened:          Boolean;
17	–	FSepOpened:          Boolean;
14		protected
15		public
20	–	property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write FUnloadWhenUnused;
21	–
16		constructor Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
17		procedure Close; override;
18
#	Line 33 | Line 27 | type
27		procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
28		procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
29
30	+	function GetDatLinks(FileID: Integer): TDatLinkList; override;
31	+	function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
32		function GetRawList(FileID: Integer): TRawDataList; override;
33		function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
34	+	function GetRawsForType(RawType: String): TRawDataList; override;
35
36	<	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
36	>	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream); overload;
37	>	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer); overload;
38		procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
39		procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
40		procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
#	Line 49 | Line 47 | type
47		implementation
48
49		uses
50	<	SysUtils, StrUtils, Data, Functions, RawList;
50	>	SysUtils, StrUtils, Data, Functions, RawList, DatLinks, Math;
51
52
53		(*
#	Line 59 | Line 57 | uses
57
58
59		constructor TAccess_OniArchive.Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
62	–	const
63	–	header_ident1_pc: array[0..$13] of Byte =
64	–	($1F, $27, $DC, $33, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
65	–	$14, $00, $10, $00, $08, $00);
66	–	header_ident1_mac: array[0..$13] of Byte =
67	–	($61, $30, $C1, $23, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
68	–	$14, $00, $10, $00, $08, $00);
69	–	header_ident1_macbeta: array[0..$13] of Byte =
70	–	($81, $11, $8D, $23, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
71	–	$14, $00, $10, $00, $08, $00);
72	–	header_ident2: array[0..$F] of Byte =
73	–	($99, $CF, $40, $00, $90, $4F, $63, $00, $F4, $55, $5F, $00, $90, $4F, $63, $00);
60		var
61		i: Integer;
62		header_pc, header_mac, header_macbeta: Boolean;
#	Line 78 | Line 64 | var
64		Fdat_filesmap: TFilesMap;
65		Fdat_namedfilesmap: TNamedFilesMap;
66		begin
81	–	FUnloadWhenUnused := True;
82	–	FDatOpened := False;
83	–	FRawOpened := False;
67		Msg := SM_UnknownError;
68		if not FileExists(DatFilename) then
69		begin
#	Line 88 | Line 71 | begin
71		Exit;
72		end;
73		FFileName := DatFilename;
74	<	Fdat_file := TFileStream.Create(FFileName, fmOpenRead);
74	>	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
75		Fdat_file.Read(Fdat_header, SizeOf(Fdat_header));
76		header_pc  := True;
77		header_mac := True;
78		header_macbeta := True;
79	<	for i := 0 to High(Fdat_header.Ident) do
79	>	for i := 0 to High(Fdat_header.GlobalIdent) do
80	>	if Fdat_header.GlobalIdent[i] <> HeaderGlobalIdent[i] then
81	>	begin
82	>	Msg := SM_IncompatibleFile;
83	>	Exit;
84	>	end;
85	>
86	>	for i := 0 to High(Fdat_header.OSIdent) do
87		begin
88	<	//    FLevelInfo.Ident[i] := Fdat_header.Ident[i];
99	<	if Fdat_header.Ident[i] <> header_ident1_pc[i] then
88	>	if Fdat_header.OSIdent[i] <> HeaderOSIdentWin[i] then
89		header_pc := False;
90	<	if Fdat_header.Ident[i] <> header_ident1_mac[i] then
90	>	if Fdat_header.OSIdent[i] <> HeaderOSIdentMac[i] then
91		header_mac := False;
92	<	if Fdat_header.Ident[i] <> header_ident1_macbeta[i] then
92	>	if Fdat_header.OSIdent[i] <> HeaderOSIdentMacBeta[i] then
93		header_macbeta := False;
94		end;
95		if not (header_pc xor header_mac xor header_macbeta) then
#	Line 156 | Line 145 | begin
145		Fdat_file.Read(FLevelNumber, 1);
146		FLevelNumber := FLevelNumber div 2;
147
148	<	Fdat_file.Free;
148	>	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
149	>	fmOpenReadWrite);
150	>	if not (FDataOS = DOS_WIN) then
151	>	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
152	>	fmOpenReadWrite);
153
154		Msg := SM_OK;
155		FBackend := DB_ONI;
156		FConnectionID := ConnectionID;
157		FChangeRights := [CR_EditDat, CR_EditRaw, CR_AppendRaw];
158	+
159	+	inherited;
160		end;
161
162
#	Line 169 | Line 164 | end;
164
165		procedure TAccess_OniArchive.Close;
166		begin
167	<	if FDatOpened then
167	>	if Assigned(Fdat_file) then
168		Fdat_file.Free;
169	<	if FRawOpened then
169	>	if Assigned(Fraw_file) then
170		Fraw_file.Free;
171	<	if FSepOpened then
171	>	if Assigned(Fsep_file) then
172		Fsep_file.Free;
173		Self.Free;
174		end;
#	Line 237 | Line 232 | var
232		begin
233		list := TStringList.Create;
234		list.Sorted := True;
235	+	if ext = '*' then
236	+	ext := '';
237		for i := 0 to GetFileCount - 1 do
238		begin
239		if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
#	Line 258 | Line 255 | begin
255		end;
256		end;
257		end;
258	<	Result := TStringList.Create;
258	>	if not Assigned(Result) then
259	>	Result := TStringList.Create;
260		if list.Count > 0 then
261		begin
262		fields := TStringList.Create;
#	Line 294 | Line 292 | function TAccess_OniArchive.GetExtension
292		var
293		i: Integer;
294		begin
295	<	Result := TStringList.Create;
295	>	if not Assigned(Result) then
296	>	Result := TStringList.Create;
297	>	if Result is TStringList then
298	>	TStringList(Result).Sorted := True;
299		for i := 0 to Length(Fdat_extensionsmap) - 1 do
300		begin
301		with Fdat_extensionsmap[i] do
#	Line 320 | Line 321 | begin
321		begin
322		if not Assigned(Target) then
323		Target := TMemoryStream.Create;
324	<	if not FDatOpened then
324	<	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
325	<	Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
326	<	streampos := Target.Position;
327	<	Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
328	<	Target.Seek(streampos, soFromBeginning);
329	<	if UnloadWhenUnused then
324	>	if GetFileInfo(FileID).Size > 0 then
325		begin
326	<	Fdat_file.Free;
327	<	FDatOpened := False;
328	<	end
329	<	else
330	<	FDatOpened := True;
326	>	Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
327	>	streampos := Target.Position;
328	>	Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
329	>	Target.Seek(streampos, soFromBeginning);
330	>	end;
331		end;
332		end;
333
#	Line 340 | Line 335 | procedure TAccess_OniArchive.UpdateDatFi
335		begin
336		if fileid < GetFileCount then
337		begin
343	–	if not FDatOpened then
344	–	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
338		Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
339		Fdat_file.CopyFrom(Src, Fdat_files[fileid].Size);
347	–	if UnloadWhenUnused then
348	–	begin
349	–	Fdat_file.Free;
350	–	FDatOpened := False;
351	–	end
352	–	else
353	–	FDatOpened := True;
340		end;
341		end;
342
#	Line 362 | Line 348 | begin
348		begin
349		if not Assigned(Target) then
350		Target := TMemoryStream.Create;
365	–	if not FDatOpened then
366	–	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
351		Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
352		streampos := Target.Position;
353		Target.CopyFrom(Fdat_file, size);
354		Target.Seek(streampos, soFromBeginning);
371	–	if UnloadWhenUnused then
372	–	begin
373	–	FDatOpened := False;
374	–	Fdat_file.Free;
375	–	end
376	–	else
377	–	FDatOpened := True;
355		end;
356		end;
357
#	Line 382 | Line 359 | procedure TAccess_OniArchive.UpdateDatFi
359		begin
360		if fileid < GetFileCount then
361		begin
385	–	if not FDatOpened then
386	–	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
362		Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
363		Fdat_file.CopyFrom(Src, Size);
389	–	if UnloadWhenUnused then
390	–	begin
391	–	Fdat_file.Free;
392	–	FDatOpened := False;
393	–	end
394	–	else
395	–	FDatOpened := True;
364		end;
365		end;
366
367
368
369	+	function TAccess_OniArchive.GetDatLink(FileID, DatOffset: Integer): TDatLink;
370	+	var
371	+	link: Integer;
372	+	begin
373	+	Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
374	+	LoadDatFilePart(fileid, Result.SrcOffset, 4, @link);
375	+	if link > 0 then
376	+	Result.DestID := link div 256
377	+	else
378	+	Result.DestID := -1;
379	+	end;
380	+
381	+
382	+	function TAccess_OniArchive.GetDatLinks(FileID: Integer): TDatLinkList;
383	+	var
384	+	i: Integer;
385	+	link: Integer;
386	+	begin
387	+	Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
388	+	if Length(Result) > 0 then
389	+	begin
390	+	for i := 0 to High(Result) do
391	+	begin
392	+	LoadDatFilePart(fileid, Result[i].SrcOffset, 4, @link);
393	+	if link > 0 then
394	+	Result[i].DestID := link div 256
395	+	else
396	+	Result[i].DestID := -1;
397	+	end;
398	+	end;
399	+	end;
400	+
401	+
402		function TAccess_OniArchive.GetRawList(FileID: Integer): TRawDataList;
403		begin
404		Result := RawLists.GetRawList(FConnectionID, FileID);
405		end;
406
407
408	+	function TAccess_OniArchive.GetRawsForType(RawType: String): TRawDataList;
409	+	var
410	+	i, j: Integer;
411	+	dats: TStrings;
412	+	list: TRawDataList;
413	+	begin
414	+	dats := nil;
415	+	dats := GetFilesList(MidStr(RawType, 1, 4), '', True, ST_IDAsc);
416	+	for i := 0 to dats.Count - 1 do
417	+	begin
418	+	list := GetRawList(StrToInt(MidStr(dats.Strings[i], 1, 5)));
419	+	for j := 0 to Length(list) - 1 do
420	+	begin
421	+	if (list[j].RawType = RawType) and (list[j].RawSize > 0) then
422	+	begin
423	+	SetLength(Result, Length(Result)+1);
424	+	Result[High(Result)] := list[j];
425	+	end;
426	+	end;
427	+	end;
428	+	end;
429	+
430	+
431		function TAccess_OniArchive.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
432		begin
433		Result := RawLists.GetRawInfo(FConnectionID, FileID, DatOffset);
#	Line 411 | Line 435 | end;
435
436
437
438	<
415	<	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
438	>	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream);
439		begin
440	+	if not Assigned(Target) then
441	+	Target := TMemoryStream.Create;
442		if not LocSep then
443		begin
419	–	if not FRawOpened then
420	–	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
421	–	fmOpenReadWrite);
444		if RawAddr <= Fraw_file.Size then
445		begin
446		Fraw_file.Seek(RawAddr, soFromBeginning);
447	<	Fraw_file.Read(target^, size);
447	>	Target.CopyFrom(Fraw_file, size);
448	>	Target.Seek(0, soFromBeginning);
449		end;
427	–	if UnloadWhenUnused then
428	–	begin
429	–	FRawOpened := False;
430	–	Fraw_file.Free;
431	–	end
432	–	else
433	–	FRawOpened := True;
450		end
451		else
452		begin
437	–	if not FSepOpened then
438	–	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
439	–	fmOpenReadWrite);
453		if RawAddr <= Fsep_file.Size then
454		begin
455		Fsep_file.Seek(RawAddr, soFromBeginning);
456	<	Fsep_file.Read(target^, size);
456	>	Target.CopyFrom(Fsep_file, size);
457	>	Target.Seek(0, soFromBeginning);
458		end;
445	–	if UnloadWhenUnused then
446	–	begin
447	–	FSepOpened := False;
448	–	Fsep_file.Free;
449	–	end
450	–	else
451	–	FSepOpened := True;
459		end;
460		end;
461
462	+	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
463	+	var
464	+	data: TStream;
465	+	begin
466	+	data := nil;
467	+	LoadRawOffset(LocSep, RawAddr, Size, data);
468	+	data.Read(Target^, Size);
469	+	data.Free;
470	+	end;
471	+
472		procedure TAccess_OniArchive.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
473		var
474		raw_info: TRawDataInfo;
#	Line 464 | Line 481 | begin
481		raw_info := Self.GetRawInfo(FileID, DatOffset);
482		if not raw_info.LocSep then
483		begin
467	–	if not FRawOpened then
468	–	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
469	–	fmOpenReadWrite);
484		Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
485		streampos := Target.Position;
486		Target.CopyFrom(Fraw_file, raw_info.RawSize);
487		Target.Seek(streampos, soFromBeginning);
474	–	if UnloadWhenUnused then
475	–	begin
476	–	FRawOpened := False;
477	–	Fraw_file.Free;
478	–	end
479	–	else
480	–	FRawOpened := True;
488		end
489		else
490		begin
484	–	if FUnloadWhenUnused or not FSepOpened then
485	–	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
486	–	fmOpenReadWrite);
491		Fsep_file.Seek(raw_info.RawAddr, soFromBeginning);
492		streampos := Target.Position;
493		Target.CopyFrom(Fsep_file, raw_info.RawSize);
494		Target.Seek(streampos, soFromBeginning);
491	–	if UnloadWhenUnused then
492	–	begin
493	–	FSepOpened := False;
494	–	Fsep_file.Free;
495	–	end
496	–	else
497	–	FSepOpened := True;
495		end;
496		end;
497		end;
#	Line 508 | Line 505 | begin
505		raw_info := GetRawInfo(FileID, DatOffset);
506		if not raw_info.LocSep then
507		begin
511	–	if not FRawOpened then
512	–	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
513	–	fmOpenReadWrite);
508		Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
509	<	Fraw_file.CopyFrom(Src, raw_info.RawSize);
516	<	if UnloadWhenUnused then
517	<	begin
518	<	FRawOpened := False;
519	<	Fraw_file.Free;
520	<	end
521	<	else
522	<	FRawOpened := True;
509	>	Fraw_file.CopyFrom(Src, Min(raw_info.RawSize, Src.Size));
510		end
511		else
512		begin
526	–	if not FSepOpened then
527	–	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
528	–	fmOpenReadWrite);
513		Fsep_file.Seek(raw_info.RawAddr, soFromBeginning);
514		Fsep_file.CopyFrom(Src, raw_info.RawSize);
531	–	if UnloadWhenUnused then
532	–	begin
533	–	FSepOpened := False;
534	–	Fsep_file.Free;
535	–	end
536	–	else
537	–	FSepOpened := True;
515		end;
516		end;
517		end;
#	Line 557 | Line 534 | begin
534		end;
535		end;
536
537	+
538		procedure TAccess_OniArchive.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
539		var
540		raw_info: TRawDataInfo;
#	Line 566 | Line 544 | begin
544		raw_info := GetRawInfo(FileID, DatOffset);
545		if not raw_info.LocSep then
546		begin
569	–	if not FRawOpened then
570	–	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
571	–	fmOpenReadWrite);
547		Fraw_file.Seek(raw_info.RawAddr + Offset, soFromBeginning);
548		Fraw_file.CopyFrom(Src, Size);
574	–	if UnloadWhenUnused then
575	–	begin
576	–	FRawOpened := False;
577	–	Fraw_file.Free;
578	–	end
579	–	else
580	–	FRawOpened := True;
549		end
550		else
551		begin
584	–	if not FSepOpened then
585	–	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
586	–	fmOpenReadWrite);
552		Fsep_file.Seek(raw_info.RawAddr + Offset, soFromBeginning);
553		Fsep_file.CopyFrom(Src, Size);
589	–	if UnloadWhenUnused then
590	–	begin
591	–	FSepOpened := False;
592	–	Fsep_file.Free;
593	–	end
594	–	else
595	–	FSepOpened := True;
554		end;
555		end;
556		end;
557
558		function TAccess_OniArchive.AppendRawFile(LocSep: Boolean; Src: TStream): Integer;
559	+	const
560	+	EmptyBytes: Array[0..31] of Byte = (
561	+	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 );
562		begin
563		if not LocSep then
564		begin
565	<	if not FRawOpened then
566	<	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
606	<	fmOpenReadWrite);
565	>	if (Fraw_file.Size mod 32) > 0 then
566	>	Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
567		Result := Fraw_file.Size;
568		Fraw_file.Seek(0, soFromEnd);
569		Fraw_file.CopyFrom(Src, Src.Size);
570	<	if UnloadWhenUnused then
571	<	begin
612	<	FRawOpened := False;
613	<	Fraw_file.Free;
614	<	end
615	<	else
616	<	FRawOpened := True;
570	>	if (Fraw_file.Size mod 32) > 0 then
571	>	Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
572		end
573		else
574		begin
575	<	if not FSepOpened then
576	<	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
622	<	fmOpenReadWrite);
575	>	if (Fsep_file.Size mod 32) > 0 then
576	>	Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
577		Result := Fsep_file.Size;
578		Fsep_file.Seek(0, soFromEnd);
579		Fsep_file.CopyFrom(Src, Src.Size);
580	<	if UnloadWhenUnused then
581	<	begin
628	<	FSepOpened := False;
629	<	Fsep_file.Free;
630	<	end
631	<	else
632	<	FSepOpened := True;
580	>	if (Fsep_file.Size mod 32) > 0 then
581	>	Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
582		end;
583		end;
584

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