Download and install vc++ runtime if missing/outdated

dependencies.iss

@@ -0,0 +1,231 @@
+[Code]
+// Fork of https://github.com/DomGries/InnoDependencyInstaller
+
+// types and variables
+type
+  TDependency_Entry = record
+    Filename: String;
+    Parameters: String;
+    Title: String;
+    URL: String;
+    Checksum: String;
+    ForceSuccess: Boolean;
+    RestartAfter: Boolean;
+  end;
+
+var
+  Dependency_Memo: String;
+  Dependency_List: array of TDependency_Entry;
+  Dependency_NeedToRestart, Dependency_ForceX86: Boolean;
+  Dependency_DownloadPage: TDownloadWizardPage;
+
+procedure Dependency_Add(const Filename, Parameters, Title, URL, Checksum: String; const ForceSuccess, RestartAfter: Boolean);
+var
+  Dependency: TDependency_Entry;
+  DependencyCount: Integer;
+begin
+  Dependency_Memo := Dependency_Memo + #13#10 + '%1' + Title;
+
+  Dependency.Filename := Filename;
+  Dependency.Parameters := Parameters;
+  Dependency.Title := Title;
+
+  if FileExists(ExpandConstant('{tmp}{\}') + Filename) then begin
+    Dependency.URL := '';
+  end else begin
+    Dependency.URL := URL;
+  end;
+
+  Dependency.Checksum := Checksum;
+  Dependency.ForceSuccess := ForceSuccess;
+  Dependency.RestartAfter := RestartAfter;
+
+  DependencyCount := GetArrayLength(Dependency_List);
+  SetArrayLength(Dependency_List, DependencyCount + 1);
+  Dependency_List[DependencyCount] := Dependency;
+end;
+
+<event('InitializeWizard')>
+procedure Dependency_InitializeWizard;
+begin
+  Dependency_DownloadPage := CreateDownloadPage(SetupMessage(msgWizardPreparing), SetupMessage(msgPreparingDesc), nil);
+end;
+
+<event('PrepareToInstall')>
+function Dependency_PrepareToInstall(var NeedsRestart: Boolean): String;
+var
+  DependencyCount, DependencyIndex, ResultCode: Integer;
+  Retry: Boolean;
+  TempValue: String;
+begin
+  DependencyCount := GetArrayLength(Dependency_List);
+
+  if DependencyCount > 0 then begin
+    Dependency_DownloadPage.Show;
+
+    for DependencyIndex := 0 to DependencyCount - 1 do begin
+      if Dependency_List[DependencyIndex].URL <> '' then begin
+        Dependency_DownloadPage.Clear;
+        Dependency_DownloadPage.Add(Dependency_List[DependencyIndex].URL, Dependency_List[DependencyIndex].Filename, Dependency_List[DependencyIndex].Checksum);
+
+        Retry := True;
+        while Retry do begin
+          Retry := False;
+
+          try
+            Dependency_DownloadPage.Download;
+          except
+            if Dependency_DownloadPage.AbortedByUser then begin
+              Result := Dependency_List[DependencyIndex].Title;
+              DependencyIndex := DependencyCount;
+            end else begin
+              case SuppressibleMsgBox(AddPeriod(GetExceptionMessage), mbError, MB_ABORTRETRYIGNORE, IDIGNORE) of
+                IDABORT: begin
+                  Result := Dependency_List[DependencyIndex].Title;
+                  DependencyIndex := DependencyCount;
+                end;
+                IDRETRY: begin
+                  Retry := True;
+                end;
+              end;
+            end;
+          end;
+        end;
+      end;
+    end;
+
+    if Result = '' then begin
+      for DependencyIndex := 0 to DependencyCount - 1 do begin
+        Dependency_DownloadPage.SetText(Dependency_List[DependencyIndex].Title, '');
+        Dependency_DownloadPage.SetProgress(DependencyIndex + 1, DependencyCount + 1);
+
+        while True do begin
+          ResultCode := 0;
+#ifdef Dependency_CustomExecute
+          if {#Dependency_CustomExecute}(ExpandConstant('{tmp}{\}') + Dependency_List[DependencyIndex].Filename, Dependency_List[DependencyIndex].Parameters, ResultCode) then begin
+#else
+          if ShellExec('', ExpandConstant('{tmp}{\}') + Dependency_List[DependencyIndex].Filename, Dependency_List[DependencyIndex].Parameters, '', SW_SHOWNORMAL, ewWaitUntilTerminated, ResultCode) then begin
+#endif
+            if Dependency_List[DependencyIndex].RestartAfter then begin
+              if DependencyIndex = DependencyCount - 1 then begin
+                Dependency_NeedToRestart := True;
+              end else begin
+                NeedsRestart := True;
+                Result := Dependency_List[DependencyIndex].Title;
+              end;
+              break;
+            end else if (ResultCode = 0) or Dependency_List[DependencyIndex].ForceSuccess then begin // ERROR_SUCCESS (0)
+              break;
+            end else if ResultCode = 1641 then begin // ERROR_SUCCESS_REBOOT_INITIATED (1641)
+              NeedsRestart := True;
+              Result := Dependency_List[DependencyIndex].Title;
+              break;
+            end else if ResultCode = 3010 then begin // ERROR_SUCCESS_REBOOT_REQUIRED (3010)
+              Dependency_NeedToRestart := True;
+              break;
+            end;
+          end;
+
+          case SuppressibleMsgBox(FmtMessage(SetupMessage(msgErrorFunctionFailed), [Dependency_List[DependencyIndex].Title, IntToStr(ResultCode)]), mbError, MB_ABORTRETRYIGNORE, IDIGNORE) of
+            IDABORT: begin
+              Result := Dependency_List[DependencyIndex].Title;
+              break;
+            end;
+            IDIGNORE: begin
+              break;
+            end;
+          end;
+        end;
+
+        if Result <> '' then begin
+          break;
+        end;
+      end;
+
+      if NeedsRestart then begin
+        TempValue := '"' + ExpandConstant('{srcexe}') + '" /restart=1 /LANG="' + ExpandConstant('{language}') + '" /DIR="' + WizardDirValue + '" /GROUP="' + WizardGroupValue + '" /TYPE="' + WizardSetupType(False) + '" /COMPONENTS="' + WizardSelectedComponents(False) + '" /TASKS="' + WizardSelectedTasks(False) + '"';
+        if WizardNoIcons then begin
+          TempValue := TempValue + ' /NOICONS';
+        end;
+        RegWriteStringValue(HKA, 'SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce', '{#SetupSetting("AppName")}', TempValue);
+      end;
+    end;
+
+    Dependency_DownloadPage.Hide;
+  end;
+end;
+
+#ifndef Dependency_NoUpdateReadyMemo
+<event('UpdateReadyMemo')>
+#endif
+function Dependency_UpdateReadyMemo(const Space, NewLine, MemoUserInfoInfo, MemoDirInfo, MemoTypeInfo, MemoComponentsInfo, MemoGroupInfo, MemoTasksInfo: String): String;
+begin
+  Result := '';
+  if MemoUserInfoInfo <> '' then begin
+    Result := Result + MemoUserInfoInfo + Newline + NewLine;
+  end;
+  if MemoDirInfo <> '' then begin
+    Result := Result + MemoDirInfo + Newline + NewLine;
+  end;
+  if MemoTypeInfo <> '' then begin
+    Result := Result + MemoTypeInfo + Newline + NewLine;
+  end;
+  if MemoComponentsInfo <> '' then begin
+    Result := Result + MemoComponentsInfo + Newline + NewLine;
+  end;
+  if MemoGroupInfo <> '' then begin
+    Result := Result + MemoGroupInfo + Newline + NewLine;
+  end;
+  if MemoTasksInfo <> '' then begin
+    Result := Result + MemoTasksInfo;
+  end;
+
+  if Dependency_Memo <> '' then begin
+    if MemoTasksInfo = '' then begin
+      Result := Result + SetupMessage(msgReadyMemoTasks);
+    end;
+    Result := Result + FmtMessage(Dependency_Memo, [Space]);
+  end;
+end;
+
+<event('NeedRestart')>
+function Dependency_NeedRestart: Boolean;
+begin
+  Result := Dependency_NeedToRestart;
+end;
+
+function Dependency_IsX64: Boolean;
+begin
+  Result := not Dependency_ForceX86 and Is64BitInstallMode;
+end;
+
+function Dependency_String(const x86, x64: String): String;
+begin
+  if Dependency_IsX64 then begin
+    Result := x64;
+  end else begin
+    Result := x86;
+  end;
+end;
+
+function Dependency_ArchSuffix: String;
+begin
+  Result := Dependency_String('', '_x64');
+end;
+
+function Dependency_ArchTitle: String;
+begin
+  Result := Dependency_String(' (x86)', ' (x64)');
+end;
+
+procedure Dependency_AddVCppRuntime;
+begin
+  // https://docs.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist
+  if not IsMsiProductInstalled(Dependency_String('{65E5BD06-6392-3027-8C26-853107D3CF1A}', '{36F68A90-239C-34DF-B58C-64B30153CE35}'), PackVersionComponents(14, 40, 33810, 0)) then begin
+    Dependency_Add('vcredist2022' + Dependency_ArchSuffix + '.exe',
+      '/passive /norestart',
+      'Visual C++ 2015-2022 Redistributable' + Dependency_ArchTitle,
+      Dependency_String('https://aka.ms/vs/17/release/vc_redist.x86.exe', 'https://aka.ms/vs/17/release/vc_redist.x64.exe'),
+      '', False, False);
+  end;
+end;

setup.iss

@@ -10,6 +10,8 @@
 #define MyAppAssocExt ".wotwr"
 #define MyAppAssocKey StringChange(MyAppAssocName, " ", "") + MyAppAssocExt
 
+#include "dependencies.iss"
+
 [Setup]
 ; NOTE: The value of AppId uniquely identifies this application. Do not use the same AppId value in installers for other applications.
 ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
@@ -46,6 +48,12 @@ Source: "C:\moon\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs creat
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
 [Code]
+function InitializeSetup: Boolean;
+begin
+  Dependency_AddVCppRuntime;
+  Result := True;
+end;
+
 procedure DeleteWithRetry;
 var
   FileName: string;