game: do not force CLI pathes to cwd

[d2df-sdl.git] / src / game / g_main.pas

diff --git a/src/game/g_main.pas b/src/game/g_main.pas
index 24dac52e2e76556c340db9ddd3595c1ec67d1370..0e349afbbdc61f35e582f3c00d6bf7bcaf147bae 100644 (file)
--- a/src/game/g_main.pas
+++ b/src/game/g_main.pas
@@ -29,7 +29,7 @@ procedure CharPress (C: AnsiChar);
 
 var
   {--- TO REMOVE ---}
-  GameDir: string; 
+  //GameDir: string;
   {-----------------}
 
   {--- Read-only dirs ---}
@@ -57,6 +57,9 @@ uses
 {$INCLUDE ../nogl/noGLuses.inc}
 {$IFDEF ENABLE_HOLMES}
   g_holmes, sdlcarcass, fui_ctls, fui_wadread, fui_style, fui_gfx_gl,
+{$ENDIF}
+{$IFDEF LINUX}
+  BaseUnix,
 {$ENDIF}
   wadreader, e_log, g_window,
   e_graphics, e_input, g_game, g_console, g_gui,
@@ -69,24 +72,109 @@ uses
 
 var
   charbuff: packed array [0..15] of AnsiChar;
+  binPath: AnsiString = '';
+  forceCurrentDir: Boolean = false;
+
+
+function GetBinaryPath (): AnsiString;
+{$IFDEF LINUX}
+var
+  //cd: AnsiString;
+  sl: AnsiString;
+{$ENDIF}
+begin
+  result := ExtractFilePath(ParamStr(0));
+  {$IFDEF LINUX}
+  // it may be a symlink; do some guesswork here
+  sl := fpReadLink(ExtractFileName(ParamStr(0)));
+  if (sl = ParamStr(0)) then
+  begin
+    // use current directory, as we don't have anything better
+    //result := '.';
+    GetDir(0, result);
+  end;
+  {$ENDIF}
+  result := fixSlashes(result);
+  if (length(result) > 0) and (result[length(result)] <> '/') then result := result+'/';
+end;
+
 
 procedure InitPath;
   var i: Integer; rwdir, rodir: AnsiString;
+  //first: Boolean = true;
+
+  procedure xput (s: AnsiString);
+  {
+  var
+    f: TextFile;
+  begin
+    AssignFile(f, 'zzz.log');
+    if (first) then
+    begin
+      Rewrite(f);
+      first := false;
+    end
+    else
+    begin
+      Append(f);
+    end;
+    writeln(f, s);
+    CloseFile(f);
+  end;
+  }
+  begin
+  end;
 
-  procedure AddPath (var arr: SSArray; str: AnsiString);
+  procedure AddPath (var arr: SSArray; str: AnsiString; usecwd: Boolean=true);
+  var
+    ss: ShortString;
   begin
-    SetLength(arr, Length(arr) + 1);
-    arr[High(arr)] := ExpandFileName(str)
+    if (length(str) = 0) then exit;
+    //writeln('NEW PATH(0): ['+str+']');
+    if (forceCurrentDir or usecwd) then
+    begin
+      str := fixSlashes(ExpandFileName(str));
+    end
+    else
+    begin
+      str := fixSlashes(str);
+      if (not isAbsolutePath(str)) then str := binPath+str;
+      while (length(str) > 0) do
+      begin
+        if (isRootPath(str)) then exit;
+        if (str[length(str)] = '/') then begin Delete(str, length(str), 1); continue; end;
+        if (length(str) >= 2) and (Copy(str, length(str)-1, 2) = '/.') then begin Delete(str, length(str)-1, 2); continue; end;
+        break;
+      end;
+    end;
+    if (length(str) = 0) then exit;
+    if (length(str) > 255) then
+    begin
+      xput('path too long: ['+str+']');
+      raise Exception.Create(Format('path "%s" too long', [str]));
+    end;
+    for ss in arr do
+    begin
+      //writeln('<<<', ss, '>>> : [', str, ']');
+      if (ss = str) then exit;
+    end;
+    SetLength(arr, Length(arr)+1);
+    //arr[High(arr)] := ExpandFileName(str);
+    arr[High(arr)] := str;
+    //writeln('NEW PATH(1): ['+str+']');
   end;
 
   procedure AddDef (var arr: SSArray; str: AnsiString);
   begin
-    if arr = nil then
-      AddPath(arr, str)
+    if (length(arr) = 0) then AddPath(arr, str, false)
   end;
 
 begin
-  GetDir(0, GameDir);
+  //GetDir(0, GameDir);
+  binPath := GetBinaryPath();
+  xput('binPath=['+binPath+']');
+
+  for i := 1 to ParamCount do if (ParamStr(i) = '--cwd') then begin forceCurrentDir := true; break; end;
 
   i := 1;
   while i < ParamCount do
@@ -138,7 +226,7 @@ begin
   AddDef(CacheDirs, 'data/cache');
   AddDef(ConfigDirs, '.');
   AddDef(MapDownloadDirs, 'maps/downloads');
-  AddDef(WadDownloadDirs, 'wad/downloads');
+  AddDef(WadDownloadDirs, 'wads/downloads');
   AddDef(ScreenshotDirs, 'screenshots');
 
   for i := 0 to High(MapDirs) do
@@ -148,16 +236,18 @@ begin
 
   if LogFileName = '' then
   begin
-    rwdir := e_GetDir(LogDirs);
+    rwdir := e_GetWriteableDir(LogDirs, false);
     if rwdir <> '' then
     begin
       {$IFDEF HEADLESS}
         LogFileName := e_CatPath(rwdir, 'Doom2DF_H.log');
       {$ELSE}
         LogFileName := e_Catpath(rwdir, 'Doom2DF.log');
-      {$ENDIF}      
+      {$ENDIF}
     end
-  end
+  end;
+
+  xput('binPath=['+binPath+']');
 end;
 
 procedure Main();
@@ -171,10 +261,6 @@ begin
     e_InitLog(LogFileName, TWriteMode.WM_NEWFILE);
   e_InitWritelnDriver();
 
-  GameWAD := e_FindWad(DataDirs, 'GAME');
-  assert(GameWad <> '', 'GAME.WAD not installed?');
-
-
 //  e_InitLog(GameDir + '/' + LogFileName, TWriteMode.WM_NEWFILE);
 
   e_WriteLog(
@@ -187,6 +273,11 @@ begin
     TMsgType.Notify
   );
 
+  e_LogWritefln('BINARY PATH: [%s]', [binPath], TMsgType.Notify);
+
+  GameWAD := e_FindWad(DataDirs, 'GAME');
+  assert(GameWad <> '', 'GAME.WAD not installed?');
+
 {$IFDEF HEADLESS}
   conbufDumpToStdOut := true;
 {$ENDIF}
@@ -266,7 +357,7 @@ begin
   if assigned(oglInitCB) then oglInitCB;
 {$ENDIF}
 
-  //g_Res_CreateDatabases(); // it will be done before connecting to the server for the first time
+  //g_Res_CreateDatabases(true); // it will be done before connecting to the server for the first time
 
   e_WriteLog('Entering SDLMain', TMsgType.Notify);