!define APPNAME "OpenTTD" ; Define application name !define APPVERSION "0.8.0" ; Define application version !define APPVERSIONINTERNAL "0.8.0.0" ; Define application version in X.X.X.X !define INSTALLERVERSION 71 ; NEED TO UPDATE THIS FOR EVERY RELEASE!!! !include ${VERSION_INCLUDE} !define APPURLLINK "http://www.openttd.org" !define APPNAMEANDVERSION "${APPNAME} ${APPVERSION}" !define OPENGFX_BASE_VERSION "0.7.0" !define OPENSFX_BASE_VERSION "0.8.0" !define MUI_ICON "..\..\..\media\openttd.ico" !define MUI_UNICON "..\..\..\media\openttd.ico" !define MUI_WELCOMEFINISHPAGE_BITMAP "welcome.bmp" !define MUI_HEADERIMAGE !define MUI_HEADERIMAGE_BITMAP "top.bmp" BrandingText "OpenTTD Installer" SetCompressor LZMA ; Version Info Var AddWinPrePopulate VIProductVersion "${APPVERSIONINTERNAL}" VIAddVersionKey "ProductName" "OpenTTD Installer ${APPBITS} bits version ${EXTRA_VERSION}" VIAddVersionKey "Comments" "Installs ${APPNAMEANDVERSION}" VIAddVersionKey "CompanyName" "OpenTTD Developers" VIAddVersionKey "FileDescription" "Installs ${APPNAMEANDVERSION}" VIAddVersionKey "ProductVersion" "${APPVERSION}" VIAddVersionKey "InternalName" "InstOpenTTD-${APPARCH}" VIAddVersionKey "FileVersion" "${APPVERSION}-${APPARCH}" VIAddVersionKey "LegalCopyright" " " ; Main Install settings Name "${APPNAMEANDVERSION} ${APPBITS} bits version ${EXTRA_VERSION}" ; NOTE: Keep trailing backslash! InstallDirRegKey HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Install Folder" OutFile "openttd-${APPVERSION}-${APPARCH}.exe" CRCCheck force ShowInstDetails show ShowUninstDetails show Var SHORTCUTS Var CDDRIVE ; Modern interface settings !include "MUI.nsh" !define MUI_ABORTWARNING !define MUI_WELCOMEPAGE_TITLE_3LINES !insertmacro MUI_PAGE_WELCOME !define MUI_LICENSEPAGE_RADIOBUTTONS !insertmacro MUI_DEFAULT MUI_LICENSEPAGE_RADIOBUTTONS_TEXT_ACCEPT "I &accept this agreement" !insertmacro MUI_DEFAULT MUI_LICENSEPAGE_RADIOBUTTONS_TEXT_DECLINE "I &do not accept this agreement" !insertmacro MUI_PAGE_LICENSE "..\..\..\COPYING" !insertmacro MUI_PAGE_COMPONENTS ;--------------------------------- ; Custom page for finding TTDLX CD Page custom SelectCDEnter SelectCDExit ": TTD folder" !insertmacro MUI_PAGE_DIRECTORY ;Start Menu Folder Page Configuration !define MUI_STARTMENUPAGE_DEFAULTFOLDER $SHORTCUTS !define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKEY_LOCAL_MACHINE" !define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" !define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "Shortcut Folder" !insertmacro MUI_PAGE_STARTMENU "OpenTTD" $SHORTCUTS !insertmacro MUI_PAGE_INSTFILES !define MUI_FINISHPAGE_TITLE_3LINES !define MUI_FINISHPAGE_RUN_TEXT "Run ${APPNAMEANDVERSION} now!" !define MUI_FINISHPAGE_RUN "$INSTDIR\openttd.exe" !define MUI_FINISHPAGE_LINK "Visit the OpenTTD site for latest news, FAQs and downloads" !define MUI_FINISHPAGE_LINK_LOCATION "${APPURLLINK}" !define MUI_FINISHPAGE_NOREBOOTSUPPORT !define MUI_FINISHPAGE_SHOWREADME "$INSTDIR\readme.txt" !define MUI_FINISHPAGE_SHOWREADME_NOTCHECKED !define MUI_WELCOMEFINISHPAGE_CUSTOMFUNCTION_INIT DisableBack !insertmacro MUI_PAGE_FINISH !define MUI_PAGE_HEADER_TEXT "Uninstall ${APPNAMEANDVERSION}" !insertmacro MUI_UNPAGE_CONFIRM !insertmacro MUI_UNPAGE_INSTFILES ; Set languages (first is default language) !insertmacro MUI_LANGUAGE "English" !insertmacro MUI_RESERVEFILE_LANGDLL ;-------------------------------------------------------------- ; (Core) OpenTTD install section. Copies all internal game data Section "!OpenTTD" Section1 ; Overwrite files by default, but don't complain on failure SetOverwrite try ; Define root variable relative to installer !define PATH_ROOT "..\..\..\" ; Copy language files SetOutPath "$INSTDIR\lang\" File ${PATH_ROOT}bin\lang\*.lng ; Copy AI files SetOutPath "$INSTDIR\ai\" File ${PATH_ROOT}bin\ai\compat_*.nut ; Copy data files SetOutPath "$INSTDIR\data\" File ${PATH_ROOT}bin\data\*.grf File ${PATH_ROOT}bin\data\*.obg File ${PATH_ROOT}bin\data\*.obs File ${PATH_ROOT}bin\data\opntitle.dat ; Copy the scripts SetOutPath "$INSTDIR\scripts\" File ${PATH_ROOT}bin\scripts\*.* ; Copy the rest of the stuff SetOutPath "$INSTDIR\" ; Copy text files File ${PATH_ROOT}changelog.txt File ${PATH_ROOT}COPYING File ${PATH_ROOT}readme.txt File ${PATH_ROOT}known-bugs.txt ; Copy executable File /oname=openttd.exe ${BINARY_DIR}\openttd.exe ; Delete old files from the main dir. they are now placed in data/ and lang/ Delete "$INSTDIR\*.lng" Delete "$INSTDIR\*.grf" Delete "$INSTDIR\sample.cat" Delete "$INSTDIR\ttd.exe" ; Create the Registry Entries WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Comments" "Visit ${APPURLLINK}" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "DisplayIcon" "$INSTDIR\openttd.exe,0" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "DisplayName" "OpenTTD ${APPVERSION}" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "DisplayVersion" "${APPVERSION}" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "HelpLink" "${APPURLLINK}" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Install Folder" "$INSTDIR" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Publisher" "OpenTTD" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Shortcut Folder" "$SHORTCUTS" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "UninstallString" "$INSTDIR\uninstall.exe" WriteRegStr HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "URLInfoAbout" "${APPURLLINK}" ; This key sets the Version DWORD that new installers will check against WriteRegDWORD HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Version" ${INSTALLERVERSION} !insertmacro MUI_STARTMENU_WRITE_BEGIN "OpenTTD" CreateShortCut "$DESKTOP\OpenTTD.lnk" "$INSTDIR\openttd.exe" CreateDirectory "$SMPROGRAMS\$SHORTCUTS" CreateShortCut "$SMPROGRAMS\$SHORTCUTS\OpenTTD.lnk" "$INSTDIR\openttd.exe" CreateShortCut "$SMPROGRAMS\$SHORTCUTS\Uninstall.lnk" "$INSTDIR\uninstall.exe" CreateShortCut "$SMPROGRAMS\$SHORTCUTS\Readme.lnk" "$INSTDIR\Readme.txt" CreateShortCut "$SMPROGRAMS\$SHORTCUTS\Changelog.lnk" "$INSTDIR\Changelog.txt" CreateShortCut "$SMPROGRAMS\$SHORTCUTS\Known-bugs.lnk" "$INSTDIR\known-bugs.txt" !insertmacro MUI_STARTMENU_WRITE_END SectionEnd ;---------------------------------------------------------------------------------- ; OpenGFX files install section. Downloads OpenGFX and installs it Section "Download free Graphics" Section3 SetOverwrite try NSISdl::download "http://binaries.openttd.org/installer/opengfx-${OPENGFX_BASE_VERSION}.tar.7z" "$INSTDIR\data\opengfx.tar.7z" Pop $R0 ;Get the return value StrCmp $R0 "success" +3 MessageBox MB_OK "Downloading of OpenGFX failed" Goto Done ; Let's extract the files SetOutPath "$INSTDIR\data\" NSIS7z::Extract "$INSTDIR\data\opengfx.tar.7z" Delete "$INSTDIR\data\opengfx.tar.7z" SetOutPath "$INSTDIR\" Done: SectionEnd ;---------------------------------------------------------------------------------- ; OpenSFX files install section. Downloads OpenSFX and installs it Section "Download free Sounds" Section4 SetOverwrite try NSISdl::download "http://binaries.openttd.org/installer/opensfx-${OPENSFX_BASE_VERSION}.tar.7z" "$INSTDIR\data\opensfx.tar.7z" Pop $R0 ;Get the return value StrCmp $R0 "success" +3 MessageBox MB_OK "Downloading of OpenSFX failed" Goto Done ; Let's extract the files SetOutPath "$INSTDIR\data\" NSIS7z::Extract "$INSTDIR\data\opensfx.tar.7z" Delete "$INSTDIR\data\opensfx.tar.7z" SetOutPath "$INSTDIR\" Done: SectionEnd ;---------------------------------------------------------------------------------- ; TTDLX files install section. Copies all needed TTDLX files from CD or install dir Section /o "Copy Game Graphics" Section2 SetOverwrite try ; Let's copy the files with size approximation SetOutPath "$INSTDIR\gm" CopyFiles "$CDDRIVE\gm\*.gm" "$INSTDIR\gm\" 1028 SetOutPath "$INSTDIR\data\" CopyFiles "$CDDRIVE\sample.cat" "$INSTDIR\data\sample.cat" 1566 ; Copy Windows files CopyFiles "$CDDRIVE\trg1r.grf" "$INSTDIR\data\trg1r.grf" 2365 CopyFiles "$CDDRIVE\trgcr.grf" "$INSTDIR\data\trgcr.grf" 260 CopyFiles "$CDDRIVE\trghr.grf" "$INSTDIR\data\trghr.grf" 400 CopyFiles "$CDDRIVE\trgir.grf" "$INSTDIR\data\trgir.grf" 334 CopyFiles "$CDDRIVE\trgtr.grf" "$INSTDIR\data\trgtr.grf" 546 ; Copy DOS files CopyFiles "$CDDRIVE\trg1.grf" "$INSTDIR\data\trg1.grf" 2365 CopyFiles "$CDDRIVE\trgc.grf" "$INSTDIR\data\trgc.grf" 260 CopyFiles "$CDDRIVE\trgh.grf" "$INSTDIR\data\trgh.grf" 400 CopyFiles "$CDDRIVE\trgi.grf" "$INSTDIR\data\trgi.grf" 334 CopyFiles "$CDDRIVE\trgt.grf" "$INSTDIR\data\trgt.grf" 546 SetOutPath "$INSTDIR\" SectionEnd ;------------------------------------------- ; Install the uninstaller (option is hidden) Section -FinishSection WriteUninstaller "$INSTDIR\uninstall.exe" SectionEnd ; Modern install component descriptions !insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN !insertmacro MUI_DESCRIPTION_TEXT ${Section1} "OpenTTD is a fully functional clone of Transport Tycoon Deluxe and is very playable. You need at least one of the game graphics and sound sets installed" !insertmacro MUI_DESCRIPTION_TEXT ${Section3} "Download the free OpenGFX game graphics. This download is about 3 MiB." !insertmacro MUI_DESCRIPTION_TEXT ${Section4} "Download the free OpenSFX game sounds. This download is about 7 MiB." !insertmacro MUI_DESCRIPTION_TEXT ${Section2} "Copies the game graphics and sounds from the Transport Tycoon Deluxe CD." !insertmacro MUI_FUNCTION_DESCRIPTION_END ;----------------------------------------------- ; Uninstall section, deletes all installed files Section "Uninstall" MessageBox MB_YESNO|MB_ICONQUESTION \ "Remove the save game folders located at $\"$INSTDIR\save?$\"$\n \ If you choose Yes, your saved games will be deleted." \ IDYES RemoveSavedGames IDNO NoRemoveSavedGames RemoveSavedGames: Delete "$INSTDIR\save\autosave\*" RMDir "$INSTDIR\save\autosave" Delete "$INSTDIR\save\*" RMDir "$INSTDIR\save" NoRemoveSavedGames: MessageBox MB_YESNO|MB_ICONQUESTION \ "Remove the scenario folders located at $\"$INSTDIR\scenario?$\"$\n \ If you choose Yes, your scenarios will be deleted." \ IDYES RemoveScen IDNO NoRemoveScen RemoveScen: Delete "$INSTDIR\scenario\heightmap*" RMDir "$INSTDIR\scenario\heightmap" Delete "$INSTDIR\scenario\*" RMDir "$INSTDIR\scenario" NoRemoveScen: ; Remove from registry... !insertmacro MUI_STARTMENU_GETFOLDER "OpenTTD" $SHORTCUTS ReadRegStr $SHORTCUTS HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Shortcut Folder" DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" ; Delete self Delete "$INSTDIR\uninstall.exe" ; Delete Shortcuts Delete "$DESKTOP\OpenTTD.lnk" Delete "$SMPROGRAMS\$SHORTCUTS\OpenTTD.lnk" Delete "$SMPROGRAMS\$SHORTCUTS\Uninstall.lnk" Delete "$SMPROGRAMS\$SHORTCUTS\Readme.lnk" Delete "$SMPROGRAMS\$SHORTCUTS\Changelog.lnk" Delete "$SMPROGRAMS\$SHORTCUTS\Known-bugs.lnk" ; Clean up OpenTTD dir Delete "$INSTDIR\changelog.txt" Delete "$INSTDIR\readme.txt" Delete "$INSTDIR\known-bugs.txt" Delete "$INSTDIR\openttd.exe" Delete "$INSTDIR\COPYING" Delete "$INSTDIR\INSTALL.LOG" Delete "$INSTDIR\crash.log" Delete "$INSTDIR\crash.dmp" Delete "$INSTDIR\openttd.cfg" Delete "$INSTDIR\hs.dat" Delete "$INSTDIR\cached_sprites.*" Delete "$INSTDIR\save\autosave\network*.tmp" ; temporary network file ; AI files Delete "$INSTDIR\ai\compat_*.nut" ; Data files Delete "$INSTDIR\data\opntitle.dat" Delete "$INSTDIR\data\2ccmap.grf" Delete "$INSTDIR\data\airports.grf" Delete "$INSTDIR\data\autorail.grf" Delete "$INSTDIR\data\canalsw.grf" Delete "$INSTDIR\data\dosdummy.grf" Delete "$INSTDIR\data\elrailsw.grf" Delete "$INSTDIR\data\nsignalsw.grf" Delete "$INSTDIR\data\openttd.grf" Delete "$INSTDIR\data\roadstops.grf" Delete "$INSTDIR\data\trkfoundw.grf" Delete "$INSTDIR\data\openttdd.grf" Delete "$INSTDIR\data\openttdw.grf" Delete "$INSTDIR\data\orig_win.obg" Delete "$INSTDIR\data\orig_dos.obg" Delete "$INSTDIR\data\orig_dos_de.obg" Delete "$INSTDIR\data\orig_win.obs" Delete "$INSTDIR\data\orig_dos.obs" Delete "$INSTDIR\data\sample.cat" ; Windows Data files Delete "$INSTDIR\data\trg1r.grf" Delete "$INSTDIR\data\trghr.grf" Delete "$INSTDIR\data\trgtr.grf" Delete "$INSTDIR\data\trgcr.grf" Delete "$INSTDIR\data\trgir.grf" ; Dos Data files Delete "$INSTDIR\data\trg1.grf" Delete "$INSTDIR\data\trgh.grf" Delete "$INSTDIR\data\trgt.grf" Delete "$INSTDIR\data\trgc.grf" Delete "$INSTDIR\data\trgi.grf" ; Music Delete "$INSTDIR\gm\*.gm" ; Downloaded OpenGFX/OpenSFX Delete "$INSTDIR\data\opengfx.tar" Delete "$INSTDIR\data\opensfx.tar" ; Language files Delete "$INSTDIR\lang\*.lng" ; Scripts Delete "$INSTDIR\scripts\*.*" ; Remove remaining directories RMDir "$SMPROGRAMS\$SHORTCUTS\Extras\" RMDir "$SMPROGRAMS\$SHORTCUTS" RMDir "$INSTDIR\gm" RMDir "$INSTDIR\lang" RMDir "$INSTDIR\data" RMDir "$INSTDIR" SectionEnd ;------------------------------------------------------------ ; Custom page function to find the TTDLX CD/install location Function SelectCDEnter SectionGetFlags ${Section2} $0 IntOp $1 $0 & 0x80 ; bit 7 set by upgrade, no need to copy files IntCmp $1 1 DoneCD ; Upgrade doesn't need copy files IntOp $0 $0 & 1 IntCmp $0 1 NoAbort Abort NoAbort: GetTempFileName $R0 !insertmacro MUI_HEADER_TEXT "Locate TTD" "Setup needs the location of Transport Tycoon Deluxe in order to continue." !insertmacro MUI_INSTALLOPTIONS_EXTRACT_AS "CDFinder.ini" "CDFinder" ClearErrors ; Now, let's populate $CDDRIVE ReadRegStr $R0 HKLM "SOFTWARE\Fish Technology Group\Transport Tycoon Deluxe" "HDPath" IfErrors NoTTD StrCmp $CDDRIVE "" 0 Populated StrCpy $CDDRIVE $R0 Populated: StrCpy $AddWinPrePopulate "Setup has detected your TTD folder. Don't change the folder. Simply press Next." Goto TruFinish NoTTD: StrCpy $AddWinPrePopulate "Setup couldn't find TTD. Please enter the path where the graphics files from TTD are stored and press Next to continue." TruFinish: ClearErrors !insertmacro MUI_INSTALLOPTIONS_WRITE "CDFinder" "Field 2" "State" $CDDRIVE ; TTDLX path !insertmacro MUI_INSTALLOPTIONS_WRITE "CDFinder" "Field 3" "Text" $AddWinPrePopulate ; Caption DoneCD: ; Initialize the dialog *AFTER* we've changed the text otherwise we won't see the changes !insertmacro MUI_INSTALLOPTIONS_INITDIALOG "CDFinder" !insertmacro MUI_INSTALLOPTIONS_SHOW FunctionEnd ;---------------------------------------------------------------- ; Custom page function when 'next' is selected for the TTDLX path Function SelectCDExit !insertmacro MUI_INSTALLOPTIONS_READ $CDDRIVE "CDFinder" "Field 2" "State" ; If trg1r.grf does not exist at the path, retry with DOS version IfFileExists $CDDRIVE\trg1r.grf "" DosCD IfFileExists $CDDRIVE\trgir.grf "" NoCD IfFileExists $CDDRIVE\sample.cat hasCD NoCD DosCD: IfFileExists $CDDRIVE\TRG1.GRF "" NoCD IfFileExists $CDDRIVE\TRGI.GRF "" NoCD IfFileExists $CDDRIVE\SAMPLE.CAT hasCD NoCD NoCD: MessageBox MB_OK "Setup cannot continue without the Transport Tycoon Deluxe Location!" Abort hasCD: FunctionEnd ;---------------------------------------------------------------------------------- ; Disable the "Back" button on finish page if the installer is run on Win9x systems Function DisableBack Call GetWindowsVersion Pop $R0 StrCmp $R0 "win9x" 0 WinNT !insertmacro MUI_INSTALLOPTIONS_WRITE "ioSpecial.ini" "Settings" "BackEnabled" "0" WinNT: ClearErrors FunctionEnd ;------------------------------------------------------------------------------- ; Determine windows version, returns "win9x" if Win9x/Me or "winnt" on the stack Function GetWindowsVersion ClearErrors StrCpy $R0 "winnt" GetVersion::WindowsPlatformId Pop $R0 IntCmp $R0 2 WinNT 0 StrCpy $R0 "win9x" WinNT: ClearErrors Push $R0 FunctionEnd ;------------------------------------------------------------------------------- ; Check whether we're not running an installer for 64 bits on 32 bits and vice versa Function CheckProcessorArchitecture GetVersion::WindowsPlatformArchitecture Pop $R0 IntCmp $R0 64 Win64 0 ClearErrors IntCmp ${APPBITS} 64 0 Done MessageBox MB_OKCANCEL|MB_ICONSTOP "You want to install the 64 bits OpenTTD on a 32 bits Operating System. This is not going to work. Please download the correct version. Do you really want to continue?" IDOK Done IDCANCEL Abort GoTo Done Win64: ClearErrors IntCmp ${APPBITS} 64 Done 0 MessageBox MB_OKCANCEL|MB_ICONINFORMATION "You want to install the 32 bits OpenTTD on a 64 bits Operating System. This is not adviced, but will work with reduced capabilities. We suggest that you download the correct version. Do you really want to continue?" IDOK Done IDCANCEL Abort GoTo Done Abort: Quit Done: FunctionEnd ;------------------------------------------------------------------------------- ; Check whether we're not running an installer for NT on 9x and vice versa Function CheckWindowsVersion Call GetWindowsVersion Pop $R0 StrCmp $R0 "win9x" 0 WinNT ClearErrors StrCmp ${APPARCH} "win9x" Done 0 MessageBox MB_OKCANCEL|MB_ICONSTOP "You want to install the Windows 2000, XP and Vista version on Windows 95, 98 or ME. This is will not work. Please download the correct version. Do you really want to continue?" IDOK Done IDCANCEL Abort GoTo Done WinNT: ClearErrors StrCmp ${APPARCH} "win9x" 0 Done MessageBox MB_OKCANCEL|MB_ICONEXCLAMATION "You want to install the Windows 95, 98 and ME version on Windows 2000, XP or Vista. This is not adviced, but will work with reduced capabilities. We suggest that you download the correct version. Do you really want to continue?" IDOK Done IDCANCEL Abort Abort: Quit Done: FunctionEnd Var OLDVERSION Var UninstallString ;----------------------------------------------------------------------------------- ; NSIS Initialize function, determine if we are going to install/upgrade or uninstall Function .onInit StrCpy $SHORTCUTS "OpenTTD" SectionSetSize ${Section3} 6144 SectionSetSize ${Section4} 10240 SectionSetFlags 0 17 ; Starts Setup - let's look for an older version of OpenTTD ReadRegDWORD $R8 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Version" IfErrors ShowWelcomeMessage ShowUpgradeMessage ShowWelcomeMessage: ReadRegStr $R8 HKLM "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "Version" ; In the event someone still has OpenTTD 0.1, this will detect that (that installer used a string instead of dword entry) IfErrors FinishCallback ShowUpgradeMessage: IntCmp ${INSTALLERVERSION} $R8 VersionsAreEqual InstallerIsOlder WelcomeToSetup WelcomeToSetup: ; An older version was found. Let's let the user know there's an upgrade that will take place. ReadRegStr $OLDVERSION HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "DisplayVersion" ; Gets the older version then displays it in a message box MessageBox MB_OK|MB_ICONINFORMATION \ "Welcome to ${APPNAMEANDVERSION} Setup.$\n \ This will allow you to upgrade from version $OLDVERSION." SectionSetFlags ${Section2} 0x80 ; set bit 7 SectionSetFlags ${Section3} 0x80 ; set bit 7 SectionSetFlags ${Section4} 0x80 ; set bit 7 Goto FinishCallback VersionsAreEqual: ReadRegStr $UninstallString HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OpenTTD" "UninstallString" IfFileExists "$UninstallString" "" FinishCallback MessageBox MB_YESNO|MB_ICONQUESTION \ "Setup detected ${APPNAMEANDVERSION} on your system. That's the version this program will install.$\n \ Are you trying to uninstall it?" \ IDYES DoUninstall IDNO FinishCallback DoUninstall: ; You have the same version as this installer. This allows you to uninstall. Exec "$UninstallString" Quit InstallerIsOlder: MessageBox MB_OK|MB_ICONSTOP \ "You have a newer version of ${APPNAME}.$\n \ Setup will now exit." Quit FinishCallback: ClearErrors Call CheckProcessorArchitecture Call CheckWindowsVersion FunctionEnd ; eof