UltimateZoneBuilder/Setup/builder2_setup.iss

; Script generated by the Inno Setup Script Wizard.
; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!

[Setup]
AppName=Doom Builder 2
AppVerName=Doom Builder 2.0
AppPublisher=CodeImp
AppPublisherURL=http://www.codeimp.com/
AppSupportURL=http://www.doombuilder.com/
AppUpdatesURL=http://www.doombuilder.com/
DefaultDirName={pf}\Doom Builder 2
DefaultGroupName=Doom Builder
AllowNoIcons=true
InfoBeforeFile=E:\Projects\Doom Builder\Setup\disclaimer.txt
OutputDir=E:\Projects\Doom Builder\Setup
OutputBaseFilename=builder2_setup
Compression=lzma/ultra64
SolidCompression=true
SourceDir=E:\Projects\Doom Builder\Build
SetupLogging=false
AppMutex=doombuilder2
PrivilegesRequired=poweruser
ShowLanguageDialog=no

[Languages]
Name: english; MessagesFile: compiler:Default.isl

[Tasks]
Name: desktopicon; Description: {cm:CreateDesktopIcon}; GroupDescription: {cm:AdditionalIcons}; Flags: unchecked

[Files]
Source: Builder.exe; DestDir: {app}; Flags: ignoreversion
Source: d3dx9_36.dll; DestDir: {app}; Flags: ignoreversion
Source: SlimDX.dll; DestDir: {app}; Flags: ignoreversion
Source: Sharpzip.dll; DestDir: {app}; Flags: ignoreversion
Source: Builder.cfg; DestDir: {app}; Flags: ignoreversion
Source: Compilers\*; DestDir: {app}\Compilers; Flags: ignoreversion
Source: Configurations\*; DestDir: {app}\Configurations; Flags: ignoreversion
Source: Scripting\*; DestDir: {app}\Scripting; Flags: ignoreversion
; NOTE: Don't use "Flags: ignoreversion" on any shared system files
Source: Plugins\*; DestDir: {app}\Plugins; Flags: ignoreversion

[Icons]
Name: {group}\Doom Builder; Filename: {app}\Builder.exe
Name: {group}\{cm:UninstallProgram,Doom Builder}; Filename: {uninstallexe}
Name: {commondesktop}\Doom Builder; Filename: {app}\Builder.exe; Tasks: desktopicon

[Run]
Filename: {app}\Builder.exe; Description: {cm:LaunchProgram,Doom Builder}; Flags: nowait postinstall skipifsilent; Check: IsAllInstalled
Filename: http://www.microsoft.com/downloads/details.aspx?FamilyID=0856eacb-4362-4b0d-8edd-aab15c5e04f5&displaylang=en; Flags: nowait shellexec postinstall skipifsilent; Check: not IsNetInstalled; Description: Open Microsoft .NET Framework download website
Filename: http://www.microsoft.com/directx/; Description: Open DirectX download website; Flags: nowait shellexec postinstall skipifsilent; Check: not IsDXInstalled

[UninstallDelete]
Name: {app}\Builder.log; Type: files
[InstallDelete]
Name: {app}\Builder.pdb; Type: files
[Code]
var
	dxinstalled: Boolean;
	netinstalled: Boolean;


// This decodes a DirectX version
procedure DecodeVersion( verstr: String; var verint: array of Integer );
var
  i,p: Integer; s: string;
begin
  // initialize array
  verint := [0,0,0,0];
  i := 0;
  while ( (Length(verstr) > 0) and (i < 4) ) do
  begin
  	p := pos('.', verstr);
  	if p > 0 then
  	begin
      if p = 1 then s:= '0' else s:= Copy( verstr, 1, p - 1 );
  	  verint[i] := StrToInt(s);
  	  i := i + 1;
  	  verstr := Copy( verstr, p+1, Length(verstr));
  	end
  	else
  	begin
  	  verint[i] := StrToInt( verstr );
  	  verstr := '';
  	end;
  end;

end;


// This function compares version string
// return -1 if ver1 < ver2
// return  0 if ver1 = ver2
// return  1 if ver1 > ver2
function CompareVersion( ver1, ver2: String ) : Integer;
var
  verint1, verint2: array of Integer;
  i: integer;
begin

  SetArrayLength( verint1, 4 );
  DecodeVersion( ver1, verint1 );

  SetArrayLength( verint2, 4 );
  DecodeVersion( ver2, verint2 );

  Result := 0; i := 0;
  while ( (Result = 0) and ( i < 4 ) ) do
  begin
  	if verint1[i] > verint2[i] then
  	  Result := 1
  	else
      if verint1[i] < verint2[i] then
  	    Result := -1
  	  else
  	    Result := 0;

  	i := i + 1;
  end;

end;


// DirectX version is stored in registry as 4.majorversion.minorversion
// DirectX 8.0 is 4.8.0
// DirectX 8.1 is 4.8.1
// DirectX 9.0 is 4.9.0
function GetDirectXVersion(): String;
var
  sVersion:  String;
begin
  sVersion := '';

  RegQueryStringValue( HKLM, 'SOFTWARE\Microsoft\DirectX', 'Version', sVersion );

  Result := sVersion;
end;


// This will look for installed components when Setup starts up
function InitializeSetup(): Boolean;
begin
		// Test dependencies
		netinstalled := (RegKeyExists(HKLM,'SOFTWARE\Microsoft\.NETFramework\policy\v2.0') = true);
		dxinstalled := (CompareVersion(GetDirectXVersion(), '4.9.0.904') >= 0);

		// Always continue
		Result := true;
end;


// Here follow methods to check the result of installed components.
function IsDXInstalled(): Boolean;
begin
	Result := dxinstalled;
end;

function IsNetInstalled(): Boolean;
begin
	Result := netinstalled;
end;

function IsAllInstalled(): Boolean;
begin
	Result := dxinstalled and netinstalled;
end;


// This will show messages depending on installed components, after installation.
procedure CurPageChanged(CurPageID: Integer);
begin
	// Installation done page?
	if(CurPageID = wpFinished) then
	begin
		// Test .NET 2.0
		if (IsNetInstalled() = false) then
			MsgBox('Microsoft .NET Framework 2.0 is not installed.'#10'Please download and install Microsoft .NET Framework 2.0 before using Doom Builder.', mbError, MB_OK);

		// Test DirectX 9.0
		if (IsDXInstalled() = false) then
			MsgBox('Microsoft DirectX 9 is not installed. You need Microsoft DirectX 9 or later for this program to run properly.'#10'Please upgrade your DirectX version at http://www.microsoft.com/directx.', mbError, MB_OK);
	end
end;