SCR_EditorImageGeneratorEntity.c

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[EntityEditorProps(category: "GameScripted/Editor", description: "Manager of image generators", color: "255 0 0 255", dynamicBox: true)]
class SCR_EditorImageGeneratorEntityClass: GenericEntityClass
{
};
 
class SCR_EditorImageGeneratorEntity : GenericEntity
{
    [Attribute("800")]
    protected int m_iImageWidth;
 
    [Attribute("600")]
    protected int m_iImageHeight;
 
    [Attribute(desc: "When enabled, the system will not iterate through prefabs on its own.\nInstead, you'll have to press 'Space' to continue to next prefab.")]   
    protected bool m_bManualProgress;
    
    [Attribute(desc: "When enabled, the system will not check for correct viewport resolution and screenshot format upon start, and not capture any screenshots.\nFOR DEBUGGING ONLY!")]
    protected bool m_bDebugMode;
    
#ifdef WORKBENCH
    protected int m_iInit = 0;
    protected ref SCR_SortedArray<SCR_EditorImagePositionEntity> m_aPositions = new SCR_SortedArray<SCR_EditorImagePositionEntity>();
    protected ref array<ref SCR_EditorImageGeneratorPrefab> m_aSelectedPrefabs = {};
    protected int m_iSelectedPrefabsCount;
    protected static ref array<vector> s_aSelectedPositions = {};
    protected float m_fTime;
    protected float m_fTimeNext = -1;
    protected float m_fTimeRemaining;
    protected int m_iPrefabIndex = -1;
    protected SCR_EditorImageGeneratorPrefab m_CurrentPrefab;
    protected bool m_bIsScreenshotMade;
    
    static SCR_EditorImageGeneratorEntity GetInstance()
    {
        return SCR_EditorImageGeneratorEntity.Cast(GetGame().FindEntity("SCR_EditorImageGeneratorEntity"));
    }
    
    SCR_EditorImagePositionEntity FindSuitablePosition(array<EEditableEntityLabel> labels)
    {
        SCR_EditorImagePositionEntity position;
        for (int i = m_aPositions.Count() - 1; i >= 0; i--)
        {
            position = m_aPositions.GetValue(i);
            if (position.IsSuitable(labels) && IsPositionSelected(position))
                return position;
        }
        return null;
    }
    protected bool IsPositionSelected(SCR_EditorImagePositionEntity position)
    {
        if (s_aSelectedPositions.IsEmpty())
            return true;
        
        for (int i = 0, count = s_aSelectedPositions.Count(); i < count; i++)
        {
            if (vector.DistanceSq(position.GetOrigin(), s_aSelectedPositions[i]) < 1)
                return true;
        }
        return false;
    }
    
    void AddPosition(SCR_EditorImagePositionEntity position)
    {
        m_aPositions.Insert(position.GetPriority(), position);
    }
    static void AddSelectedPosition(SCR_EditorImagePositionEntity position)
    {
        s_aSelectedPositions.Insert(position.GetOrigin());
    }
    protected void AddSelectedPrefab(ResourceName prefab, string filePath)
    {
        string ext;
        FilePath.StripExtension(prefab, ext);
        if (ext != "et")
            return;
        
        Resource res = Resource.Load(prefab);
        if (!res || !res.IsValid())
            return;
        
        IEntityComponentSource editableEntitySource = SCR_EditableEntityComponentClass.GetEditableEntitySource(res);
        if (!editableEntitySource)
            return;
        
        SCR_EditableEntityUIInfo info = SCR_EditableEntityUIInfo.Cast(SCR_EditableEntityComponentClass.GetInfo(editableEntitySource));
        if (!info)  
        {
            Print(string.Format("Prefab @\"%1\" does not have UI info defined in SCR_EditableEntityComponent!", prefab.GetPath()), LogLevel.WARNING);
            return;
        }
        
        ResourceName imagePath = info.GetImage();
        if (imagePath.IsEmpty())
        {
            Print(string.Format("Prefab @\"%1\" does not have image path defined in UI info of SCR_EditableEntityComponent!", prefab.GetPath()), LogLevel.WARNING);
            return;
        }
        
        array<EEditableEntityLabel> labels = {};
        info.GetEntityLabels(labels);
        SCR_EditorImagePositionEntity position = FindSuitablePosition(labels);
        if (!position)
        {
            if (s_aSelectedPositions.IsEmpty())
            {
                string labelsLine;
                foreach (int i, EEditableEntityLabel label: labels)
                {
                    if (i > 0)
                        labelsLine += ", ";
                    
                    labelsLine += typename.EnumToString(EEditableEntityLabel, label);
                }
                Print(string.Format("No suitable position found for @\"%1\" with labels %2!", prefab, labelsLine), LogLevel.WARNING);
            }
            return;
        }
        
        imagePath = FilePath.StripExtension(imagePath.GetPath());
        m_aSelectedPrefabs.Insert(new SCR_EditorImageGeneratorPrefab(prefab, imagePath, position));
    }
    protected void RequestClose()
    {
        GetGame().RequestClose();
    }
    protected bool Init()
    {
        if (m_iInit <= 1 && !SCR_Global.IsEditMode(this))
        {
            if (m_iInit == 1)
            {
                //--- Validate screen size
                if (!m_bDebugMode)
                {
                    float screenW = GetGame().GetWorkspace().GetWidth();
                    float screenH = GetGame().GetWorkspace().GetHeight();
                    if (screenW != m_iImageWidth || screenH != m_iImageHeight)
                    {
                        Debug.Error2(Type().ToString(), string.Format("Cannot generate images! Current resolution is %1x%2, expected %3x%4!\n", screenW, screenH, m_iImageWidth, m_iImageHeight));
                        GetGame().GetCallqueue().CallLater(RequestClose, false, 1);
                    }
                }
                
                //--- Validate selected prefabs
                WorldEditor worldEditor = Workbench.GetModule(WorldEditor);
                worldEditor.GetResourceBrowserSelection(AddSelectedPrefab, true);
                if (m_aSelectedPrefabs.IsEmpty())
                {
                    Debug.Error2(Type().ToString(), "No suitable prefabs selected!\n");
                    GetGame().GetCallqueue().CallLater(RequestClose, false, 1);
                }
                m_iSelectedPrefabsCount = m_aSelectedPrefabs.Count();
                
                
                //--- Set initial delay
                m_fTimeNext = m_fTime + 1;
                
                if (s_aSelectedPositions.IsEmpty())
                    Print(string.Format("Initiating image generation for %1 prefab(s).", m_iSelectedPrefabsCount), LogLevel.DEBUG);
                else
                    Print(string.Format("Initiating image generation for %1 prefab(s) on %2 pre-selected position(s).", m_iSelectedPrefabsCount, s_aSelectedPositions.Count()), LogLevel.DEBUG);
            }
            m_iInit++; //--- Wait one frame before evaluating screen dimensions, otherwise they will still be default 128x128
        }
        return m_iInit > 1;
    }
    override void EOnFrame(IEntity owner, float timeSlice)
    {
        if (!Init())
            return;
        
        bool canContinue;
        if (m_fTimeNext != -1 || !m_CurrentPrefab)
        {
            canContinue = m_fTime > m_fTimeNext;
        }
        else if (Debug.KeyState(KeyCode.KC_SPACE))
        {
            Debug.ClearKey(KeyCode.KC_SPACE);
            canContinue = true;
        }
        
        if (canContinue)
        {
            //--- Take a screenshot of existing prefab
            if (m_CurrentPrefab && !m_bIsScreenshotMade)
            {
                m_bIsScreenshotMade = true;
                if (!m_bDebugMode)
                {
                    string addonName = SCR_AddonTool.GetResourceLastAddon(m_CurrentPrefab.m_Prefab);
                    addonName = SCR_AddonTool.ToFileSystem(addonName);
                    System.MakeScreenshot(addonName + m_CurrentPrefab.m_ImagePath);
                    Print(string.Format("Image of prefab '%1' at position '%2' saved to @\"%3.png\"", FilePath.StripPath(m_CurrentPrefab.m_Prefab), m_CurrentPrefab.m_Position.GetName(), m_CurrentPrefab.m_ImagePath), LogLevel.DEBUG);
                    return; //--- Wait until next frame to give MakeScreenshot function enough time to actually capture the screen
                }
                else
                {
                    Print(string.Format("SIMULATION: Image of prefab '%1' at position '%2' would be saved to @\"%3.png\"", FilePath.StripPath(m_CurrentPrefab.m_Prefab), m_CurrentPrefab.m_Position.GetName(), m_CurrentPrefab.m_ImagePath), LogLevel.VERBOSE);
                }
            }
            
            //--- Next prefab
            m_iPrefabIndex++;
            if (m_iPrefabIndex >= m_iSelectedPrefabsCount)
            {
                GetGame().GetCallqueue().CallLater(RequestClose, false, 1);
                return;
            }
            
            //--- Delete existing prefab
            if (m_CurrentPrefab)
                m_CurrentPrefab.m_Position.DeactivatePosition();
            
            //--- Create a new prefab
            m_bIsScreenshotMade = false;
            SCR_EditorImageGeneratorPrefab currentPrefab = m_aSelectedPrefabs[m_iPrefabIndex];
            if (currentPrefab.m_Position.ActivatePosition(currentPrefab.m_Prefab))
            {
                m_CurrentPrefab = currentPrefab;
                
                if (m_bManualProgress)
                    m_fTimeNext = -1;
                else
                    m_fTimeNext = m_fTime + currentPrefab.m_Position.GetDelay();
            }
            else
            {
                m_fTimeNext = 0;
            }
            
            m_fTimeRemaining = 0;
            for (int i = m_iPrefabIndex, count = m_aSelectedPrefabs.Count(); i < count; i++)
            {
                m_fTimeRemaining += m_aSelectedPrefabs[i].m_Position.GetDelay();
            }
        }
        
        //--- Show progress
        DbgUI.Begin("SCR_EditorImageGeneratorEntity");
        if (m_CurrentPrefab)
        {
            DbgUI.Text(string.Format("%1\n\n", m_CurrentPrefab.m_Prefab.GetPath()));
            DbgUI.Text(string.Format("Progress: %1 of %2", m_iPrefabIndex, m_iSelectedPrefabsCount));
            
            if (m_fTimeNext == -1)
                DbgUI.Text("Press 'Space' to take screenshot and continue to next prefab\n\n");
            else
                DbgUI.Text(string.Format("Estimated remaining time: %1", SCR_FormatHelper.GetTimeFormatting(m_fTimeRemaining, ETimeFormatParam.DAYS | ETimeFormatParam.HOURS)));
        }
        else
        {
            DbgUI.Text("Initializing...");
        }
        DbgUI.End();
        
        m_fTime += timeSlice;
        m_fTimeRemaining -= timeSlice;
    }
    void SCR_EditorImageGeneratorEntity(IEntitySource src, IEntity parent)
    {
        SetName("SCR_EditorImageGeneratorEntity");
        SetEventMask(EntityEvent.FRAME);
        
        if (SCR_Global.IsEditMode(this))
            s_aSelectedPositions.Clear();
    }
    override void _WB_AfterWorldUpdate(float timeSlice)
    {
        WorldEditorAPI api = _WB_GetEditorAPI();
        if (!api.IsEntitySelected(api.EntityToSource(this)))
            return;
            
        int screenW = api.GetScreenWidth();
        int screenH = api.GetScreenHeight();
        
        string textCurrent = string.Format("Current resolution: %1x%2", screenW, screenH);
        string textTarget = string.Format("Target resolution: %1x%2", m_iImageWidth, m_iImageHeight);
        
        int color = Color.RED;
        if (screenW == m_iImageWidth && screenH == m_iImageHeight)
            color = Color.GREEN;
        else if (screenW == m_iImageWidth || screenH == m_iImageHeight)
            color = Color.ORANGE;
        
        DebugTextScreenSpace.Create(GetWorld(), textCurrent, DebugTextFlags.ONCE, 0, 0, 18, color, Color.BLACK);
        DebugTextScreenSpace.Create(GetWorld(), textTarget, DebugTextFlags.ONCE, 0, 18, 18, Color.WHITE, Color.BLACK);
    }
    override void _WB_GetBoundBox(inout vector min, inout vector max, IEntitySource src)
    {
        GetWorld().GetBoundBox(min, max);
    }
    
    //------------------------------------------------------------------------------------------------
    /*
    protected void CreatePreviewImageFile()
    {
        string sourceFile = FilePath.ReplaceExtension(FilePath.StripPath(targetPath), m_sImagePlaceholderExt);
        if (sourceFile.IsEmpty() || m_sImagePlaceholderSource.IsEmpty())
            return;
 
        //--- Read source meta file
        string placeholderPath = m_ImagePlaceholder.GetPath();
        string absolutePath;
        Workbench.GetAbsolutePath(placeholderPath, absolutePath);
 
        //--- Create directory
        string imageDirectoryPath = FilePath.StripFileName(targetPath);
        if (!config.CreateDirectoryFor(imageDirectoryPath, addonName))
            return;
 
        //--- Copy texture source
        FileIO.CopyFile(m_sImagePlaceholderPath + m_sImagePlaceholderSource, addonName + FilePath.StripFileName(targetPath) + sourceFile);
 
        //--- Register the file
        Workbench.GetAbsolutePath(addonName + FilePath.StripFileName(targetPath) + sourceFile, absolutePath, false);
        MetaFile metaContainer = m_ResourceManager.RegisterResourceFile(absolutePath);
        if (metaContainer)
        {
            //--- Update meta file
            targetPath = metaContainer.GetResourceID();
            BaseContainerList configurations = metaContainer.GetObjectArray("Configurations");
            if (configurations)
            {
                configurations.Get(0).Set("ColorSpace", "ToSRGB"); //--- Assume PC is the first
                metaContainer.Save();
                Print(string.Format("Editable entity preview image ADDED: @\"%1\"", targetPath), LogLevel.DEBUG);
                return;
            }
        }
    }
    */
#endif
};
 
class SCR_EditorImageGeneratorPrefab
{
    ResourceName m_Prefab;
    string m_ImagePath;
    SCR_EditorImagePositionEntity m_Position;
    
    void SCR_EditorImageGeneratorPrefab(ResourceName prefab, string imagePath, SCR_EditorImagePositionEntity position)
    {
        m_Prefab = prefab;
        m_ImagePath = imagePath;
        m_Position = position;
    }
};