index 7aeef80aeb1d3e9069814a1c883fd64094fe3286..3830af240f6f924519c5704f81f1dc9683ab0dc5 100644 (file)
--- a/src/shared/wadreader.pas
+++ b/src/shared/wadreader.pas
-{$MODE DELPHI}
+(* Copyright (C) DooM 2D:Forever Developers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *)
+{$INCLUDE a_modes.inc}
unit wadreader;
-{$DEFINE SFS_DWFAD_DEBUG}
+{$DEFINE SFS_DFWAD_DEBUG}
{$DEFINE SFS_MAPDETECT_FX}
interface
uses
- sfs, xstreams;
+ sfs, xstreams, Classes;
type
function GetMapResource (name: AnsiString; var pData: Pointer; var Len: Integer): Boolean;
function GetMapResources (): SArray;
+ // returns `nil` if file wasn't found
+ function openFileStream (name: AnsiString): TStream;
+
property isOpen: Boolean read getIsOpen;
end;
implementation
uses
- SysUtils, Classes{, BinEditor}, e_log{, g_options}, utils, MAPSTRUCT;
+ SysUtils, e_log, utils, MAPSTRUCT;
function findDiskWad (fname: AnsiString): AnsiString;
fFileName := '';
end;
+
+//FIXME: detect text maps properly here
function TWADFile.isMapResource (idx: Integer): Boolean;
var
sign: packed array [0..2] of Char;
- fs: TStream;
+ fs: TStream = nil;
begin
result := false;
if not isOpen or (fIter = nil) then exit;
if (idx < 0) or (idx >= fIter.Count) then exit;
- fs := nil;
try
fs := fIter.volume.OpenFileByIndex(idx);
fs.readBuffer(sign, 3);
result := (sign = MAP_SIGNATURE);
+ if not result then result := (sign[0] = 'm') and (sign[1] = 'a') and (sign[2] = 'p');
except
if fs <> nil then fs.Free();
exit;
fs.Free();
end;
+
+// returns `nil` if file wasn't found
+function TWADFile.openFileStream (name: AnsiString): TStream;
+var
+ f: Integer;
+ fi: TSFSFileInfo;
+begin
+ result := nil;
+ // backwards, due to possible similar names and such
+ for f := fIter.Count-1 downto 0 do
+ begin
+ fi := fIter.Files[f];
+ if fi = nil then continue;
+ if StrEquCI1251(fi.name, name) then
+ begin
+ try
+ result := fIter.volume.OpenFileByIndex(f);
+ except
+ result := nil;
+ end;
+ if (result <> nil) then exit;
+ end;
+ end;
+end;
+
+
function removeExt (s: AnsiString): AnsiString;
var
i: Integer;
result := s;
end;
+
function TWADFile.GetResourceEx (name: AnsiString; wantMap: Boolean; var pData: Pointer; var Len: Integer): Boolean;
var
f, lastSlash: Integer;
fs: TStream;
fpp: Pointer;
rpath, rname: AnsiString;
- sign: array [0..2] of Char;
+ sign: packed array [0..2] of Char;
goodMap: Boolean;
begin
Result := False;
if wantMap then
begin
goodMap := false;
- //e_WriteLog(Format('DFWAD: checking for good map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]), MSG_NOTIFY);
+ {$IF DEFINED(D2D_NEW_MAP_READER_DBG)}
+ e_LogWritefln('DFWAD: checking for good map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]);
+ {$ENDIF}
try
fs.readBuffer(sign, 3);
goodMap := (sign = MAP_SIGNATURE);
- {
+ if not goodMap then goodMap := (sign[0] = 'm') and (sign[1] = 'a') and (sign[2] = 'p');
+ {$IF DEFINED(D2D_NEW_MAP_READER_DBG)}
if goodMap then
- e_WriteLog(Format(' GOOD map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]), MSG_NOTIFY)
+ e_LogWritefln(' GOOD map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f])
else
- e_WriteLog(Format(' BAD map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]), MSG_NOTIFY);
- }
+ e_LogWritefln(' BAD map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]);
+ {$ENDIF}
except
end;
if not goodMap then
begin
- //e_WriteLog(Format(' not a map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]), MSG_NOTIFY);
+ {$IF DEFINED(D2D_NEW_MAP_READER_DBG)}
+ e_LogWritefln(' not a map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]);
+ {$ENDIF}
fs.Free();
continue;
end;
end;
{$ENDIF}
result := true;
- {$IFDEF SFS_DWFAD_DEBUG}
+ {$IFDEF SFS_DFWAD_DEBUG}
if wadoptDebug then
e_WriteLog(Format('DFWAD: file [%s] FOUND in [%s]; size is %d bytes', [name, fFileName, Len]), MSG_NOTIFY);
{$ENDIF}
fi := fIter.Files[f];
if fi = nil then continue;
if length(fi.name) = 0 then continue;
- //e_WriteLog(Format('DFWAD: checking for map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]), MSG_NOTIFY);
+ {$IF DEFINED(D2D_NEW_MAP_READER)}
+ //e_LogWritefln('DFWAD: checking for map in wad [%s], file [%s] (#%d)', [fFileName, fi.fname, f]);
+ {$ENDIF}
if isMapResource(f) then
begin
s := removeExt(fi.name);
e_WriteLog(Format('TWADFile.ReadFile: error looking for [%s]', [FileName]), MSG_NOTIFY);
exit;
end;
- {$IFDEF SFS_DWFAD_DEBUG}
+ {$IFDEF SFS_DFWAD_DEBUG}
if wadoptDebug then e_WriteLog(Format('TWADFile.ReadFile: FOUND [%s]', [rfn]), MSG_NOTIFY);
{$ENDIF}
// cache this wad
fIter := SFSFileList(rfn);
if fIter = nil then Exit;
fFileName := rfn;
- {$IFDEF SFS_DWFAD_DEBUG}
+ {$IFDEF SFS_DFWAD_DEBUG}
if wadoptDebug then e_WriteLog(Format('TWADFile.ReadFile: [%s] opened', [fFileName]), MSG_NOTIFY);
{$ENDIF}
Result := True;
fn := Format(' -- memwad %d -- ', [uniqueCounter]);
Inc(uniqueCounter);
- {$IFDEF SFS_DWFAD_DEBUG}
- e_WriteLog(Format('TWADFile.ReadMemory: [%s]', [fn]), MSG_NOTIFY);
+ {$IFDEF SFS_DFWAD_DEBUG}
+ if wadoptDebug then e_WriteLog(Format('TWADFile.ReadMemory: [%s]', [fn]), MSG_NOTIFY);
{$ENDIF}
try
if fIter = nil then Exit;
fFileName := fn;
- {$IFDEF SFS_DWFAD_DEBUG}
- e_WriteLog(Format('TWADFile.ReadMemory: [%s] opened', [fFileName]), MSG_NOTIFY);
+ {$IFDEF SFS_DFWAD_DEBUG}
+ if wadoptDebug then e_WriteLog(Format('TWADFile.ReadMemory: [%s] opened', [fFileName]), MSG_NOTIFY);
{$ENDIF}
{