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

Comparing oup/current/DataAccess/Access_OniArchive.pas (file contents):
Revision 113 by alloc, Sun Feb 25 17:20:22 2007 UTC vs.
Revision 321 by alloc, Wed May 6 13:47:23 2009 UTC

#	Line 15 | Line 15 | type
15		FDatOpened:          Boolean;
16		FRawOpened:          Boolean;
17		FSepOpened:          Boolean;
18	+	procedure SetUnloadWhenUnused(doit: Boolean);
19		protected
20		public
21	<	property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write FUnloadWhenUnused;
21	>	property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write SetUnloadWhenUnused;
22
23		constructor Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
24		procedure Close; override;
#	Line 34 | Line 35 | type
35		procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
36
37		function GetDatLinks(FileID: Integer): TDatLinkList; override;
38	+	function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
39		function GetRawList(FileID: Integer): TRawDataList; override;
40		function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
41	+	function GetRawsForType(RawType: String): TRawDataList; override;
42
43	<	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
43	>	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream); overload;
44	>	procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer); overload;
45		procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
46		procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
47		procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
#	Line 50 | Line 54 | type
54		implementation
55
56		uses
57	<	SysUtils, StrUtils, Data, Functions, RawList;
57	>	SysUtils, StrUtils, Data, Functions, RawList, DatLinks, Math;
58
59
60		(*
#	Line 157 | Line 161 | begin
161		FBackend := DB_ONI;
162		FConnectionID := ConnectionID;
163		FChangeRights := [CR_EditDat, CR_EditRaw, CR_AppendRaw];
164	+
165	+	inherited;
166	+	end;
167	+
168	+
169	+
170	+
171	+	procedure TAccess_OniArchive.SetUnloadWhenUnused(doit: Boolean);
172	+	begin
173	+	FUnloadWhenUnused := doit;
174	+	if FUnloadWhenUnused then
175	+	begin
176	+	if FDatOpened then
177	+	begin
178	+	FDatOpened := False;
179	+	Fdat_file.Free;
180	+	end;
181	+	if FRawOpened then
182	+	begin
183	+	FRawOpened := False;
184	+	Fraw_file.Free;
185	+	end;
186	+	if FSepOpened then
187	+	begin
188	+	FSepOpened := False;
189	+	Fsep_file.Free;
190	+	end;
191	+	end
192	+	else
193	+	begin
194	+	if not FDatOpened then
195	+	begin
196	+	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
197	+	FDatOpened := True;
198	+	end;
199	+	if not FRawOpened then
200	+	begin
201	+	Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
202	+	fmOpenReadWrite);
203	+	FRawOpened := True;
204	+	end;
205	+	if (not FSepOpened) and (FDataOS <> DOS_WIN) then
206	+	begin
207	+	Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
208	+	fmOpenReadWrite);
209	+	FSepOpened := True;
210	+	end;
211	+	end;
212		end;
213
214
215
216
217	+
218		procedure TAccess_OniArchive.Close;
219		begin
220		if FDatOpened then
#	Line 232 | Line 285 | var
285		begin
286		list := TStringList.Create;
287		list.Sorted := True;
288	+	if ext = '*' then
289	+	ext := '';
290		for i := 0 to GetFileCount - 1 do
291		begin
292		if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
#	Line 319 | Line 374 | begin
374		begin
375		if not Assigned(Target) then
376		Target := TMemoryStream.Create;
377	<	if not FDatOpened then
323	<	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
324	<	Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
325	<	streampos := Target.Position;
326	<	Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
327	<	Target.Seek(streampos, soFromBeginning);
328	<	if UnloadWhenUnused then
377	>	if GetFileInfo(FileID).Size > 0 then
378		begin
379	<	Fdat_file.Free;
380	<	FDatOpened := False;
381	<	end
382	<	else
383	<	FDatOpened := True;
379	>	if not FDatOpened then
380	>	Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
381	>	Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
382	>	streampos := Target.Position;
383	>	Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
384	>	Target.Seek(streampos, soFromBeginning);
385	>	if UnloadWhenUnused then
386	>	begin
387	>	Fdat_file.Free;
388	>	FDatOpened := False;
389	>	end
390	>	else
391	>	FDatOpened := True;
392	>	end;
393		end;
394		end;
395
#	Line 397 | Line 455 | end;
455
456
457
458	+	function TAccess_OniArchive.GetDatLink(FileID, DatOffset: Integer): TDatLink;
459	+	var
460	+	link: Integer;
461	+	begin
462	+	Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
463	+	LoadDatFilePart(fileid, Result.SrcOffset, 4, @link);
464	+	if link > 0 then
465	+	Result.DestID := link div 256
466	+	else
467	+	Result.DestID := -1;
468	+	end;
469	+
470	+
471	+	function TAccess_OniArchive.GetDatLinks(FileID: Integer): TDatLinkList;
472	+	var
473	+	i: Integer;
474	+	link: Integer;
475	+	begin
476	+	Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
477	+	if Length(Result) > 0 then
478	+	begin
479	+	for i := 0 to High(Result) do
480	+	begin
481	+	LoadDatFilePart(fileid, Result[i].SrcOffset, 4, @link);
482	+	if link > 0 then
483	+	Result[i].DestID := link div 256
484	+	else
485	+	Result[i].DestID := -1;
486	+	end;
487	+	end;
488	+	end;
489	+
490	+
491		function TAccess_OniArchive.GetRawList(FileID: Integer): TRawDataList;
492		begin
493		Result := RawLists.GetRawList(FConnectionID, FileID);
494		end;
495
496
497	+	function TAccess_OniArchive.GetRawsForType(RawType: String): TRawDataList;
498	+	var
499	+	i, j: Integer;
500	+	dats: TStrings;
501	+	list: TRawDataList;
502	+	begin
503	+	dats := nil;
504	+	dats := GetFilesList(MidStr(RawType, 1, 4), '', True, ST_IDAsc);
505	+	for i := 0 to dats.Count - 1 do
506	+	begin
507	+	list := GetRawList(StrToInt(MidStr(dats.Strings[i], 1, 5)));
508	+	for j := 0 to Length(list) - 1 do
509	+	begin
510	+	if (list[j].RawType = RawType) and (list[j].RawSize > 0) then
511	+	begin
512	+	SetLength(Result, Length(Result)+1);
513	+	Result[High(Result)] := list[j];
514	+	end;
515	+	end;
516	+	end;
517	+	end;
518	+
519	+
520		function TAccess_OniArchive.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
521		begin
522		Result := RawLists.GetRawInfo(FConnectionID, FileID, DatOffset);
#	Line 410 | Line 524 | end;
524
525
526
527	<
414	<	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
527	>	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream);
528		begin
529	+	if not Assigned(Target) then
530	+	Target := TMemoryStream.Create;
531		if not LocSep then
532		begin
533		if not FRawOpened then
#	Line 421 | Line 536 | begin
536		if RawAddr <= Fraw_file.Size then
537		begin
538		Fraw_file.Seek(RawAddr, soFromBeginning);
539	<	Fraw_file.Read(target^, size);
539	>	Target.CopyFrom(Fraw_file, size);
540	>	Target.Seek(0, soFromBeginning);
541		end;
542		if UnloadWhenUnused then
543		begin
#	Line 439 | Line 555 | begin
555		if RawAddr <= Fsep_file.Size then
556		begin
557		Fsep_file.Seek(RawAddr, soFromBeginning);
558	<	Fsep_file.Read(target^, size);
558	>	Target.CopyFrom(Fsep_file, size);
559	>	Target.Seek(0, soFromBeginning);
560		end;
561		if UnloadWhenUnused then
562		begin
#	Line 451 | Line 568 | begin
568		end;
569		end;
570
571	+	procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
572	+	var
573	+	data: TStream;
574	+	begin
575	+	data := nil;
576	+	LoadRawOffset(LocSep, RawAddr, Size, data);
577	+	data.Read(Target^, Size);
578	+	data.Free;
579	+	end;
580	+
581		procedure TAccess_OniArchive.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
582		var
583		raw_info: TRawDataInfo;
#	Line 461 | Line 588 | begin
588		if fileid < GetFileCount then
589		begin
590		raw_info := Self.GetRawInfo(FileID, DatOffset);
591	+	if raw_info.RawSize = 0 then
592	+	exit;
593		if not raw_info.LocSep then
594		begin
595		if not FRawOpened then
#	Line 511 | Line 640 | begin
640		Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
641		fmOpenReadWrite);
642		Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
643	<	Fraw_file.CopyFrom(Src, raw_info.RawSize);
643	>	Fraw_file.CopyFrom(Src, Min(raw_info.RawSize, Src.Size));
644		if UnloadWhenUnused then
645		begin
646		FRawOpened := False;
#	Line 556 | Line 685 | begin
685		end;
686		end;
687
688	+
689		procedure TAccess_OniArchive.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
690		var
691		raw_info: TRawDataInfo;
#	Line 597 | Line 727 | begin
727		end;
728
729		function TAccess_OniArchive.AppendRawFile(LocSep: Boolean; Src: TStream): Integer;
730	+	const
731	+	EmptyBytes: Array[0..31] of Byte = (
732	+	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 );
733		begin
734		if not LocSep then
735		begin
736		if not FRawOpened then
737		Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
738		fmOpenReadWrite);
739	+	if (Fraw_file.Size mod 32) > 0 then
740	+	Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
741		Result := Fraw_file.Size;
742		Fraw_file.Seek(0, soFromEnd);
743		Fraw_file.CopyFrom(Src, Src.Size);
744	+	if (Fraw_file.Size mod 32) > 0 then
745	+	Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
746		if UnloadWhenUnused then
747		begin
748		FRawOpened := False;
#	Line 619 | Line 756 | begin
756		if not FSepOpened then
757		Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
758		fmOpenReadWrite);
759	+	if (Fsep_file.Size mod 32) > 0 then
760	+	Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
761		Result := Fsep_file.Size;
762		Fsep_file.Seek(0, soFromEnd);
763		Fsep_file.CopyFrom(Src, Src.Size);
764	+	if (Fsep_file.Size mod 32) > 0 then
765	+	Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
766		if UnloadWhenUnused then
767		begin
768		FSepOpened := False;

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