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unit UPlatform;
// Comment by Eddie:
// This unit defines an interface for platform specific utility functions.
// The Interface is implemented in separate files for each platform:
// UPlatformWindows, UPlatformLinux and UPlatformWindows.
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses Classes;
type
TDirectoryEntry = Record
Name : WideString;
IsDirectory : Boolean;
IsFile : Boolean;
end;
TDirectoryEntryArray = Array of TDirectoryEntry;
TPlatform = class
// DirectoryFindFiles returns all files matching the filter. Do not use '*' in the filter.
// If you set ReturnAllSubDirs = true all directories will be returned, if yout set it to false
// directories are completely ignored.
Function DirectoryFindFiles(Dir, Filter : WideString; ReturnAllSubDirs : Boolean) : TDirectoryEntryArray; virtual; abstract;
function TerminateIfAlreadyRunning(var WndTitle : String) : Boolean; virtual;
function GetGamePath : WideString; virtual;
end;
var
Platform : TPlatform;
implementation
uses
SysUtils,
{$IFDEF MSWINDOWS}
UPlatformWindows;
{$ENDIF}
{$IFDEF LINUX}
UPlatformLinux;
{$ENDIF}
{$IFDEF DARWIN}
UPlatformMacOSX;
{$ENDIF}
{ TPlatform }
function TPlatform.GetGamePath: WideString;
begin
// Windows and Linux use this:
Result := ExtractFilePath(ParamStr(0));
end;
function TPlatform.TerminateIfAlreadyRunning(var WndTitle : String) : Boolean;
begin
// Linux and Mac don't check for running apps at the moment
Result := false;
end;
initialization
{$IFDEF MSWINDOWS}
Platform := TPlatformWindows.Create;
{$ENDIF}
{$IFDEF LINUX}
Platform := TPlatformLinux.Create;
{$ENDIF}
{$IFDEF DARWIN}
Platform := TPlatformMacOSX.Create;
{$ENDIF}
finalization
freeandnil( Platform );
end.
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