missionbenchmark.c

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//  Struct for individual benchmark locations 
class BenchmarkLocation
{
    bool m_IsDummyTeleport;
    bool m_IsDummyWait;
    float m_CamSpeedMultiplier = 1;
    string m_Name;
    vector m_StartPos;
    vector m_StartLookAtPos;
    
    void BenchmarkLocation(string name)
    {
        m_Name = name;
    }
    
    void SetPosition(vector start)
    {
        m_StartPos = start + "0 2.5 0"; // raise to head level
    }
    
    // note that vector[1] (height) is ignored during interpolation and setting it has no effect
    void SetLookAtPosition(vector start)
    {
        m_StartLookAtPos = start;
    }
    
    void SetCameraSpeedMultiplier(float multiplier)
    {
        m_CamSpeedMultiplier = multiplier;
    }
    
    void SetDummyTeleport()
    {
        m_IsDummyTeleport = true;
    }
    
    void SetDummyWait()
    {
        m_IsDummyWait = true;
    }
}
 
// Global settings of benchmark 
class BenchmarkConfig
{
    bool m_LogToRPT;
    bool m_DoDevPrints;
    int m_PreloadLength = 5;
    float m_TimeMultiplier = 1;
    string m_CSVName;
    
    ref array<ref BenchmarkLocation> m_Locations = new array<ref BenchmarkLocation>();
    
    void AddLocation(notnull BenchmarkLocation loc)
    {
        m_Locations.Insert(loc);
    }
    
    void AddQuickLocation(string name, vector pos, vector lookAtPos)
    {
        BenchmarkLocation loc = new BenchmarkLocation(name);
        loc.SetPosition(pos);
        loc.SetLookAtPosition(lookAtPos);
        
        m_Locations.Insert(loc);
    }
    
    void AddTeleport()
    {
        BenchmarkLocation loc = new BenchmarkLocation("Teleport");
        loc.SetDummyTeleport();
        m_Locations.Insert(loc);
    }
    
    void AddWait()
    {
        BenchmarkLocation loc = new BenchmarkLocation("Wait");
        loc.SetDummyWait();
        m_Locations.Insert(loc);
    }
    
    // false = csv, true = rpt
    void LogToRPT(bool logRPT)
    {
        m_LogToRPT = logRPT;
    }
    
    void DoDevPrints(bool doPrints)
    {
        m_DoDevPrints = doPrints;
    }
        
    // Preload time of individual locations after teleport
    void SetPreloadLengthTime(int seconds)
    {
        m_PreloadLength = seconds;
    }
    
    // Time multiplier for quickly testing flypath 
    void SetTestTimeMultiplier(float multiplier)
    {
        m_TimeMultiplier = multiplier;
    }
    
    void SetCSVName(string name)
    {
        m_CSVName = name;
    }
}
 
class MissionBenchmark : MissionGameplay
{   
    protected const int         INITIAL_PRELOAD = 5; // seconds, extra preload seconds to compensate for the game launching
    protected const float       STEP_INTERVAL = 1;  // seconds, how much time passes between steps (fps measurements)
    
    protected bool              m_InitialLoadDone;  // extra time is added to first preload to make up for intial loading of the game 
    protected bool              m_IsPreloading;     // preload time between location measurements
    protected bool              m_LocationDone;     // finished measuring current location
    protected int               m_LocIndex;
    protected int               m_MeasuringStep;
    protected float             m_MeasureStepTimer = 1;
    protected float             m_SumFPS;
    protected float             m_TimeCounter;
    protected float             m_MeasureLength;
    protected float             m_StepDistance;
    
    protected FileHandle        m_CSVLog;
    protected BenchmarkLocation m_CurrentLocation;
    protected BenchmarkLocation m_NextLocation;
    
    protected ref BenchmarkConfig m_Config;
    
    protected static MissionBenchmark m_Instance;
        
    void MissionBenchmark()
    {
        m_Instance = this;
    }
    
    void ~MissionBenchmark()
    {
        m_Instance = null;
    }
    
    static MissionBenchmark GetInstance()
    {
        return m_Instance;
    }
    
    BenchmarkConfig GetConfig()
    {
        if (!m_Config)
            m_Config = new BenchmarkConfig();
        
        return m_Config;
    }
    
    void Start()
    {       
        DisableWeatherChange();
        
        if (!m_Config || m_Config.m_Locations.Count() <= 1)
        {
            OnBenchmarkEnd("Not enough locations defined");
            return;
        }
        
        if (!m_Config.m_LogToRPT)
            CreateCSVLog();
                
        m_IsPreloading = true;
        
        OnLocationSwitch();
    }
        
    override void OnUpdate(float timeslice)
    {
        super.OnUpdate(timeslice);
 
        m_TimeCounter += timeslice * m_Config.m_TimeMultiplier;
        
        if (!m_CurrentLocation)
            return;
        else if (m_IsPreloading)
            PreloadUpdate();
        else 
            MeasureUpdate(timeslice);
    }
    
    // Update logic which runs when location is being preloaded
    protected void PreloadUpdate()
    {
        if (!m_InitialLoadDone)
        {
            if (m_TimeCounter >= (m_Config.m_PreloadLength + INITIAL_PRELOAD)) // end preload
                m_InitialLoadDone = true;
        }
        else if (m_TimeCounter >= m_Config.m_PreloadLength * (1 / m_Config.m_TimeMultiplier)) // end preload
        {
            m_TimeCounter = 0;
            m_IsPreloading = false;
        }
    }
    
    // Update logic which runs when measurement is in progress
    protected void MeasureUpdate(float timeSlice)
    {       
        m_MeasureStepTimer += timeSlice;
        if (m_MeasureStepTimer >= STEP_INTERVAL)
        {
            float avgFps = GetGame().GetFps();
            
            if (m_Config.m_DoDevPrints)
                Print( string.Format("Measure step: %1 | FPS: %2" , m_MeasuringStep + 1, 1/avgFps) );
 
            /*if (m_MeasuringStep >= m_MeasureLength)   // end of steps
            {   }
            else*/  // next step
            
            m_MeasureStepTimer = 0;                 
            m_SumFPS += ( 1/avgFps );
            m_MeasuringStep++;
            GetGame().GetPlayer().SetPosition(FreeDebugCamera.GetInstance().GetPosition() - "0 2.5 0");
        }
        
        LerpCamera();   
    }
    
    protected void DisableWeatherChange()
    {
        Weather weather = GetGame().GetWeather();       
        weather.SetDynVolFogHeightBias(0,0);
        weather.SetDynVolFogHeightDensity(0,0);
        weather.SetDynVolFogDistanceDensity(0,0);
        
        weather.SetWeatherUpdateFreeze(true);
    }
    
    protected void AdvanceLocation()
    {
        if (m_NextLocation.m_IsDummyWait && m_MeasuringStep < 5)
            return;
        
        string locationName = m_NextLocation.m_Name;
        FPSLog(locationName, m_SumFPS/m_MeasuringStep);
        
        if (m_Config.m_DoDevPrints)     
            Print( string.Format("%1 | Measurements: %2 | Average FPS: %3 | Elapsed time: %4 seconds" ,locationName, m_MeasuringStep, m_SumFPS/m_MeasuringStep ,m_TimeCounter) );
                    
        m_LocIndex++;
        OnLocationSwitch();
    }
    
    // logic for interpolating camera between location points
    protected void LerpCamera()
    {
        float lerpX, lerpZ, lerpY;
        
        vector target = m_NextLocation.m_StartPos;
        float camSpeedAdjust = m_CurrentLocation.m_CamSpeedMultiplier * 5 * m_TimeCounter * 1/m_StepDistance;
        
        lerpX = Math.Lerp(m_CurrentLocation.m_StartPos[0], target[0], camSpeedAdjust);
        lerpZ = Math.Lerp(m_CurrentLocation.m_StartPos[1], target[1], camSpeedAdjust);
        lerpY = Math.Lerp(m_CurrentLocation.m_StartPos[2], target[2], camSpeedAdjust);
        
        if (camSpeedAdjust >= 1 || m_NextLocation.m_IsDummyWait)
        {
            AdvanceLocation();
            return;
        }
                
        FreeDebugCamera.GetInstance().SetPosition( Vector(lerpX, lerpZ, lerpY) );   
                
        target = m_NextLocation.m_StartLookAtPos;
        
        lerpX = Math.Lerp(m_CurrentLocation.m_StartLookAtPos[0], target[0], camSpeedAdjust);
        //lerpZ = Math.Lerp(m_CurrentLocation.m_StartLookAtPos[1], target[1], camSpeedAdjust); // ignored as it causes issues with lerping between look at points
        lerpY = Math.Lerp(m_CurrentLocation.m_StartLookAtPos[2], target[2], camSpeedAdjust);
        FreeDebugCamera.GetInstance().LookAt( Vector(lerpX, lerpZ, lerpY) );        
    }
    
    protected void OnLocationSwitch()
    {       
        if (m_LocIndex >= (m_Config.m_Locations.Count() - 1))
        {
            OnBenchmarkEnd("Test finished!");
            return;
        }
        
        m_MeasureStepTimer = 1; // tick first measurement straight after preload
        m_SumFPS = 0;
        m_MeasuringStep = 0;
        m_TimeCounter = 0;  
        m_CurrentLocation = m_Config.m_Locations[m_LocIndex];
        m_NextLocation = m_Config.m_Locations[m_LocIndex+1];
        m_StepDistance = vector.Distance(m_CurrentLocation.m_StartPos, m_NextLocation.m_StartPos);
        
        if (!GetGame().GetPlayer())
        {
            CreatePlayer();
            TeleportToPos(m_CurrentLocation);
        }
            
        if (m_NextLocation.m_IsDummyTeleport)   // flycam teleport
        {
            m_LocIndex += 2;
            if (m_LocIndex >= (m_Config.m_Locations.Count() - 1))
            {
                OnBenchmarkEnd("Test finished!");
                return;
            }
            else 
            {
                m_CurrentLocation = m_Config.m_Locations[m_LocIndex];
                m_NextLocation = m_Config.m_Locations[m_LocIndex+1];
                m_StepDistance = vector.Distance(m_CurrentLocation.m_StartPos, m_NextLocation.m_StartPos);
                TeleportToPos(m_CurrentLocation);
            }
        }   
        
        if (m_NextLocation.m_IsDummyWait)
        {
            m_NextLocation.m_Name = m_CurrentLocation.m_Name + " Wait";
            m_NextLocation.m_StartPos = m_CurrentLocation.m_StartPos;
            m_NextLocation.m_StartLookAtPos = m_CurrentLocation.m_StartLookAtPos;
        }
        
        if (m_Config.m_DoDevPrints)
        {
            Print(string.Format("================"));
            Print(string.Format("%1 test begin" , m_CurrentLocation.m_Name + " -> " + m_NextLocation.m_Name));
        }
    }
    
    protected void TeleportToPos(BenchmarkLocation loc)
    {
        FreeDebugCamera.GetInstance().SetPosition(loc.m_StartPos);
        vector lookAtPos = loc.m_StartLookAtPos;
        lookAtPos[1] = loc.m_StartPos[1];
        FreeDebugCamera.GetInstance().LookAt(lookAtPos);
        
        GetGame().GetPlayer().SetPosition(m_CurrentLocation.m_StartPos - "0 2.5 0");
        m_IsPreloading = true;
    }
    
    protected void OnBenchmarkEnd(string reason)
    {
        if (!m_Config.m_LogToRPT)
        {
            CloseFile( m_CSVLog );
            
            if (m_Config.m_DoDevPrints)
                Print( "Benchmark CSV file closed" );
        }
        
        if (m_Config.m_DoDevPrints)
            Print(string.Format("%1", reason));
        
        FreeDebugCamera.GetInstance().SetActive(false);
        GetGame().RequestExit( IDC_MAIN_QUIT ); // does not work on consoles ?
    }
    
    protected void CreatePlayer()
    {
        Entity playerEnt = GetGame().CreatePlayer(NULL, "SurvivorF_Eva", m_CurrentLocation.m_StartPos - "0 2.5 0", 0, "NONE");
        PlayerBase player = PlayerBase.Cast(playerEnt);
        GetGame().SelectPlayer(NULL, player);
        
        player.GetStatWater().Set(3000);
        player.GetStatEnergy().Set(3000);
        player.SetAllowDamage(false);
        player.SetCanBeDestroyed(false);
        player.DisableSimulation(true);
        
        FreeDebugCamera.GetInstance().SetFOV(0.72);
        FreeDebugCamera.GetInstance().SetActive(true);
    }
    
    protected void CreateCSVLog()
    {
        string fileName = "benchmark";
        if (m_Config.m_CSVName != string.Empty)
            fileName = m_Config.m_CSVName;
        
        m_CSVLog = OpenFile("$profile:" + fileName + ".csv", FileMode.WRITE);
        if ( m_CSVLog == 0 )    
            OnBenchmarkEnd("Failed to create benchmark .csv");
        
        if (m_Config.m_DoDevPrints)
            Print("Benchmark .csv created");
        
        FPrintln(m_CSVLog, "Location,FPS,Time");
    }
    
    protected void FPSLog( string position, float frames )
    {
        int year, month, day, hour, minute, second;
        GetYearMonthDay(year, month, day);
        GetHourMinuteSecondUTC(hour, minute, second);
        string timestamp = string.Format( "%1-%2-%3-%4-%5-%6", year, month, day, hour, minute, second );
 
        if (m_Config.m_LogToRPT)
            PrintToRPT("Average FPS: " + frames);
        else 
            FPrintln( m_CSVLog, position + "," + frames + "," + timestamp );
    }
}