Version 1.02: add experimental support for limiting "capping" FPS

client.go

@@ -78,8 +78,6 @@ func Launch() error {
 	}
 	logger.Debugw("Game code", "gameCode.GameCode", gameCode.Gamecode)
 	finalArgs := strings.Replace(exArgs, gameCodeTempl, gameCode.Gamecode, -1)
-	logger.Debugw("Final arguments", "finalArgs", finalArgs)
-	logger.Debug("Launching....")
 	return runQC(qcOpts.QCFilePath, finalArgs)
 }
 
@@ -397,16 +395,22 @@ func formatUnexpectedResponse(event string) error {
 func runQC(qcPath, qcArgs string) error {
 	qc := exec.Command(qcPath)
 	qc.Dir = filepath.Dir(qcPath)
-	a := qcArgs
+	allArgs := []string{qcArgs}
 	if ConfAppendCustomArgs != "" {
-		a = fmt.Sprintf("%s %s", qcArgs, ConfAppendCustomArgs)
+		allArgs = append(allArgs, ConfAppendCustomArgs)
+	}
+	if ConfMaxFPS != 0 {
+		allArgs = append(allArgs, fmt.Sprintf("--set /Config/CONFIG/maxFpsValue %d", ConfMaxFPS))
 	}
+	a := strings.Join(allArgs, " ")
+	logger.Debugf("Final arguments: %s", a)
 	// Handle arg quote-escaping manually (see golang issue #15566)
 	qc.SysProcAttr = &syscall.SysProcAttr{
 		HideWindow:    false,
 		CmdLine:       fmt.Sprintf(` %s`, a),
 		CreationFlags: 0,
 	}
+	logger.Debug("Launching....")
 	if err := qc.Start(); err != nil {
 		logger.Errorw("runQC: error starting QC", "error", err)
 		return err

cmd/qclauncher/main.go

@@ -26,6 +26,7 @@ func init() {
 	flag.Int64Var(&qclauncher.ConfUpdateInterval, "updateinterval", 86400, "Time in seconds between checking for launcher updates") // 24 hours (86400)
 	flag.BoolVar(&qclauncher.ConfSkipUpdates, "skipupdates", false, "Skip checking for QC and launcher updates")
 	flag.BoolVar(&qclauncher.ConfEnforceHash, "enforcehash", true, "Enforce QC game hash checking (disabling is not recommended)")
+	flag.IntVar(&qclauncher.ConfMaxFPS, "maxfps", 0, "Max value to limit FPS to (experimental)")
 }
 
 func main() {

conf.go

@@ -16,7 +16,7 @@ const (
 	bDefBase   = "buildinfo.cdp.bethesda.net"
 	sDefBase   = "services.bethesda.net"
 	defTimeout = 10
-	version    = 1.01
+	version    = 1.02
 )
 
 var (
@@ -29,6 +29,7 @@ var (
 	ConfUpdateInterval   int64
 	ConfSkipUpdates      bool
 	ConfEnforceHash      bool
+	ConfMaxFPS           int
 	ConfBaseSvc          string
 	ConfBaseBi           string
 	ConfSrcFp            string

resources/qcl_latest_version.json

@@ -1 +1 @@
-{"latest":1.01,"date":"2017-07-04T12:00:00Z","url":"https://github.com/syncore/qclauncher/releases"}
+{"latest":1.02,"date":"2017-07-04T12:30:00Z","url":"https://github.com/syncore/qclauncher/releases/tag/v1.02"}

resources/qclauncher.manifest

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
-	<assemblyIdentity name="QCLauncher" processorArchitecture="*" type="win32" version="1.0.1.0"/>
+	<assemblyIdentity name="QCLauncher" processorArchitecture="*" type="win32" version="1.0.2.0"/>
 	<description>QCLauncher</description>
 	<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
 		<security>

resources/versioninfo.json

@@ -4,13 +4,13 @@
 		"FileVersion": {
 			"Major": 1,
 			"Minor": 0,
-			"Patch": 1,
+			"Patch": 2,
 			"Build": 0
 		},
 		"ProductVersion": {
 			"Major": 1,
 			"Minor": 0,
-			"Patch": 1,
+			"Patch": 2,
 			"Build": 0
 		},
 		"FileFlagsMask": "3f",
@@ -24,14 +24,14 @@
 		"Comments": "Quake Champions Launcher",
 		"CompanyName": "syncore",
 		"FileDescription": "Quake Champions Launcher",
-		"FileVersion": "1.01",
+		"FileVersion": "1.02",
 		"InternalName": "qclauncher",
 		"LegalCopyright": "© syncore, 2017",
 		"LegalTrademarks": "",
 		"OriginalFilename": "qclauncher.exe",
 		"PrivateBuild": "",
 		"ProductName": "QCLauncher",
-		"ProductVersion": "v1.0.1.0",
+		"ProductVersion": "v1.0.2.0",
 		"SpecialBuild": ""
 	},
 	"VarFileInfo":