Add Preset System

UI/Window/RenderConfigWindow.cs

@@ -21,6 +21,13 @@ internal static class RenderConfigWindow
 {
     private static O5Window? _configWindow;
 
+    // Presets controls
+    private static O5Dropdown<string>? _presetDropdown;
+    private static O5InputField? _presetNameInput;
+    private static O5Button? _savePresetButton;
+    private static O5Button? _deletePresetButton;
+    private static string? _lastLoadedPresetName;
+
     // Controls cache for validation & sync
     private static O5Slider? _renderFpsSlider;
     private static O5Slider? _videoFPSSlider;
@@ -89,6 +96,10 @@ internal static class RenderConfigWindow
 
             BuildUI(_configWindow.Content);
         }
+        else
+        {
+            ReloadPresetDropdown(GlobalSettings.Current.LastPresetName);
+        }
         
         // ReSharper disable once NullCoalescingConditionIsAlwaysNotNullAccordingToAPIContract
         var config = RenderManager.Instance.Configuration ??= new RenderConfig();
@@ -133,7 +144,117 @@ internal static class RenderConfigWindow
             864, 960, 1536, 2048, 3072 // 4:3
         };
         
-        // TODO: Presets
+        // Presets (Collapsible Card)
+        var (_, presetContent) = O5Factory.Card(
+            ctx, scrollContent,
+            LocalizationManager.Get("ui.render_config.presets"),
+            activeValue: true,
+            onActiveChanged: null,
+            onDeleteClick: null,
+            showDeleteButton: false,
+            showActiveToggle: false
+        );
+
+        var presets = PresetManager.GetPresets();
+        var presetNames = presets.Select(p => p.Name).ToList();
+        var initialPresetName = GlobalSettings.Current.LastPresetName;
+        if (string.IsNullOrEmpty(initialPresetName) || !presetNames.Contains(initialPresetName))
+        {
+            initialPresetName = presetNames.FirstOrDefault(n => n.StartsWith("QHD", StringComparison.OrdinalIgnoreCase))
+                ?? (presetNames.Count > 0 ? presetNames[0] : "");
+        }
+        _lastLoadedPresetName = initialPresetName;
+
+        if (config.RenderFPS <= 0)
+        {
+            var initialPreset = presets.FirstOrDefault(p => string.Equals(p.Name, initialPresetName, StringComparison.OrdinalIgnoreCase)) ?? presets.FirstOrDefault();
+            if (initialPreset != null)
+            {
+                config.CopyFrom(initialPreset.Config);
+            }
+        }
+        EnsureDefaultConfig(config);
+
+        _presetDropdown = CreateDropdownField(
+            ctx, presetContent,
+            LocalizationManager.Get("ui.render_config.preset_select"),
+            initialPresetName, initialPresetName,
+            presetNames, p => p,
+            "dd_presets",
+            selectedName =>
+            {
+                OnPresetSelected(selectedName, config);
+            }
+        );
+
+        var actionsRowObj = new GameObject("PresetActionsRow");
+        actionsRowObj.transform.SetParent(presetContent, false);
+        var actionsRowRect = actionsRowObj.AddComponent<RectTransform>();
+        var actionsHLayout = actionsRowObj.AddComponent<HorizontalLayoutGroup>();
+        actionsHLayout.spacing = 8f;
+        actionsHLayout.childAlignment = TextAnchor.MiddleCenter;
+        actionsHLayout.childControlWidth = true;
+        actionsHLayout.childControlHeight = true;
+        actionsHLayout.childForceExpandWidth = false;
+        actionsHLayout.childForceExpandHeight = false;
+
+        // ReSharper disable once InconsistentNaming
+        var actionsRowLE = actionsRowObj.AddComponent<LayoutElement>();
+        actionsRowLE.preferredHeight = 40f;
+        actionsRowLE.flexibleWidth = 1f;
+
+        _presetNameInput = O5Factory.Input(
+            ctx: ctx,
+            parent: actionsRowRect,
+            defaultValue: "",
+            value: initialPresetName,
+            onChanged: null,
+            placeholder: LocalizationManager.Get("ui.render_config.preset_name_placeholder"),
+            icon: null,
+            id: "input_preset_name"
+        );
+        var inputLE = _presetNameInput.Rect.GetComponent<LayoutElement>() ?? _presetNameInput.Rect.gameObject.AddComponent<LayoutElement>();
+        inputLE.flexibleWidth = 1f;
+        inputLE.preferredHeight = 40f;
+
+        _savePresetButton = O5Factory.Button(
+            ctx: ctx,
+            parent: actionsRowRect,
+            onClick: () => OnSavePresetClicked(config),
+            text: LocalizationManager.Get("ui.render_config.preset_save"),
+            id: "btn_preset_save",
+            height: 40f
+        );
+        var saveLE = _savePresetButton.Rect.GetComponent<LayoutElement>() ?? _savePresetButton.Rect.gameObject.AddComponent<LayoutElement>();
+        saveLE.preferredWidth = 90f;
+        saveLE.flexibleWidth = 0f;
+        saveLE.preferredHeight = 40f;
+
+        var redTheme = ctx.Theme with
+        {
+            ObjectButton = ctx.Theme.SoftRed,
+            ButtonHover = ctx.Theme.SoftRed * 0.8f
+        };
+        var redCtx = new O5Context(
+            config: ctx.Config,
+            theme: redTheme,
+            fonts: ctx.Fonts,
+            tween: ctx.Tween
+        );
+        _deletePresetButton = O5Factory.Button(
+            ctx: redCtx,
+            parent: actionsRowRect,
+            onClick: () => OnDeletePresetClicked(config),
+            text: LocalizationManager.Get("ui.render_config.preset_delete"),
+            id: "btn_preset_delete",
+            height: 40f
+        );
+        var deleteLE = _deletePresetButton.Rect.GetComponent<LayoutElement>() ?? _deletePresetButton.Rect.gameObject.AddComponent<LayoutElement>();
+        deleteLE.preferredWidth = 90f;
+        deleteLE.flexibleWidth = 0f;
+        deleteLE.preferredHeight = 40f;
+
+        UpdateDeleteButtonState();
         
         // 1-3. Top section: 좌/우 컨테이너 1개씩으로 3행을 쌓는다 (중앙선 1개)
         var (topLeft, topRight) = CreateTwoColumnPanel(scrollContent, spacing: 8f, columnSpacing: 10f);
@@ -144,7 +265,7 @@ internal static class RenderConfigWindow
             format: "F3", clampMode: ClampMode.All,
 
             sliderFilter: value => Snap(renderFpsSnap, value),
-            inputFilter: null, onComplete: null, onChanged: val => { config.RenderFPS = val; },
+            inputFilter: null, onComplete: null, onChanged: val => { config.RenderFPS = val; MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.render_fps"),
             id: "slider_render_fps", showFill: true
         );
@@ -155,7 +276,7 @@ internal static class RenderConfigWindow
             format: "F3", clampMode: ClampMode.All,
             
             sliderFilter: value => Snap(videoFpsSnap, value),
-            inputFilter: null, onComplete: null, onChanged: val => { config.VideoFPS = val; },
+            inputFilter: null, onComplete: null, onChanged: val => { config.VideoFPS = val; MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.video_fps"),
             id: "slider_video_fps", showFill: true
         );
@@ -166,7 +287,7 @@ internal static class RenderConfigWindow
             format: "F0", clampMode: ClampMode.All,
             
             sliderFilter: value => Snap(renderWidthSnap, value), inputFilter: value => Math.Max(value, 2), 
-            onComplete: null, onChanged: val => { config.RenderWidth = (int)Math.Round(val); },
+            onComplete: null, onChanged: val => { config.RenderWidth = (int)Math.Round(val); MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.render_width"),
             id: "slider_render_width", showFill: true
         );
@@ -177,7 +298,7 @@ internal static class RenderConfigWindow
             format: "F0", clampMode: ClampMode.All,
             
             sliderFilter: value => Snap(renderHeightSnap, value), inputFilter: value => Math.Max(value, 2), 
-            onComplete: null, onChanged: val => { config.RenderHeight = (int)Math.Round(val); },
+            onComplete: null, onChanged: val => { config.RenderHeight = (int)Math.Round(val); MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.render_height"),
             id: "slider_render_height", showFill: true
         );
@@ -188,7 +309,7 @@ internal static class RenderConfigWindow
             format: "F3", clampMode: ClampMode.All,
             
             sliderFilter: null, inputFilter: null, 
-            onComplete: null, onChanged: val => { config.DelayAfterEnd = val; },
+            onComplete: null, onChanged: val => { config.DelayAfterEnd = val; MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.delay_after_end"),
             id: "slider_delay_after_end", showFill: true
         );
@@ -198,7 +319,7 @@ internal static class RenderConfigWindow
             false, config.ShowJudgementText,
             LocalizationManager.Get("ui.render_config.show_judgement"),
             "toggle_show_judgement",
-            val => config.ShowJudgementText = val,
+            val => { config.ShowJudgementText = val; MarkConfigModified(); },
             generateLabel: false
         );
 
@@ -225,6 +346,7 @@ internal static class RenderConfigWindow
             {
                 config.VideoConfig.Codec = c;
                 UpdateVideoCodecUI(c, config);
+                MarkConfigModified();
             });
         
         _bitrateInput = CreateInputField(
@@ -233,7 +355,7 @@ internal static class RenderConfigWindow
             "30000", config.VideoConfig.Bitrate.ToString(),
             "input_bitrate", out _bitrateLabel,
             TMPro.TMP_InputField.CharacterValidation.Integer,
-            val => { if (int.TryParse(val, out var b) && b > 0) config.VideoConfig.Bitrate = b; }
+            val => { if (int.TryParse(val, out var b) && b > 0) config.VideoConfig.Bitrate = b; MarkConfigModified(); }
         );
         
         _qpInput = CreateInputField(
@@ -242,7 +364,7 @@ internal static class RenderConfigWindow
             "18", config.VideoConfig.QP.ToString(),
             "input_qp", out _qpLabel,
             TMPro.TMP_InputField.CharacterValidation.Integer,
-            val => { if (int.TryParse(val, out var qp) && qp >= 0) config.VideoConfig.QP = qp; }
+            val => { if (int.TryParse(val, out var qp) && qp >= 0) config.VideoConfig.QP = qp; MarkConfigModified(); }
         );
 
         var rateModes = (RateControlMode[])Enum.GetValues(typeof(RateControlMode));
@@ -256,6 +378,7 @@ internal static class RenderConfigWindow
             {
                 config.VideoConfig.RateControlMode = m;
                 UpdateRateControlUI(m);
+                MarkConfigModified();
             }
         );
         
@@ -265,7 +388,7 @@ internal static class RenderConfigWindow
             "50000", config.VideoConfig.MaxBitrate.ToString(),
             "input_max_bitrate", out _maxBitrateLabel,
             TMPro.TMP_InputField.CharacterValidation.Integer,
-            val => { if (int.TryParse(val, out var mb) && mb > 0) config.VideoConfig.MaxBitrate = mb; }
+            val => { if (int.TryParse(val, out var mb) && mb > 0) config.VideoConfig.MaxBitrate = mb; MarkConfigModified(); }
         );
         
         _forceSoftwareToggle = CreateToggleField(
@@ -273,7 +396,7 @@ internal static class RenderConfigWindow
             false, config.VideoConfig.ForceSoftwareEncoder,
             LocalizationManager.Get("ui.render_config.force_software"),
             "toggle_force_software",
-            val => config.VideoConfig.ForceSoftwareEncoder = val,
+            val => { config.VideoConfig.ForceSoftwareEncoder = val; MarkConfigModified(); },
             generateLabel: true
         );
 
@@ -283,7 +406,7 @@ internal static class RenderConfigWindow
             format: "F1", clampMode: ClampMode.All,
             
             sliderFilter: null, inputFilter: null, 
-            onComplete: null, onChanged: val => { config.VideoConfig.KeyframeInterval = val; },
+            onComplete: null, onChanged: val => { config.VideoConfig.KeyframeInterval = val; MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.keyframe_interval"),
             id: "slider_keyframe_interval", showFill: true
         );
@@ -305,7 +428,7 @@ internal static class RenderConfigWindow
             true, config.AudioConfig.RenderAudio,
             LocalizationManager.Get("ui.render_config.render_audio"),
             "toggle_render_audio",
-            val => config.AudioConfig.RenderAudio = val,
+            val => { config.AudioConfig.RenderAudio = val; MarkConfigModified(); },
             generateLabel: false
         );
         
@@ -315,7 +438,7 @@ internal static class RenderConfigWindow
             format: "F0", clampMode: ClampMode.All,
 
             sliderFilter: value => Snap(audioBitrateSnap, value),
-            inputFilter: null, onComplete: null, onChanged: val => { config.AudioConfig.AudioBitrate = (int)Math.Round(val) * 1000; },
+            inputFilter: null, onComplete: null, onChanged: val => { config.AudioConfig.AudioBitrate = (int)Math.Round(val) * 1000; MarkConfigModified(); },
             text: LocalizationManager.Get("ui.render_config.audio_bitrate"),
             id: "slider_audio_bitrate", showFill: true
         );
@@ -327,7 +450,7 @@ internal static class RenderConfigWindow
             2, config.AudioConfig.AudioChannels,
             channels, c => c == 1 ? "1 (Mono)" : "2 (Stereo)",
             "dd_channels",
-            c => config.AudioConfig.AudioChannels = c
+            c => { config.AudioConfig.AudioChannels = c; MarkConfigModified(); }
         );
 
         _sampleRateDropdown = CreateDropdownField(
@@ -336,7 +459,7 @@ internal static class RenderConfigWindow
             48000, config.AudioConfig.AudioSampleRate,
             CodecUtil.AvailableSampleRate[CodecUtil.AudioCodecMatch[config.VideoConfig.Codec]], r => $"{r/1000.0} kHz", 
             "dd_sample_rate",
-            r => config.AudioConfig.AudioSampleRate = r
+            r => { config.AudioConfig.AudioSampleRate = r; MarkConfigModified(); }
         );
 
         // 6. Global Settings (Collapsible Card)
@@ -425,7 +548,11 @@ internal static class RenderConfigWindow
             "mkv", config.AdvancedConfig.FileExtension,
             extensions, e => e,
             "dd_adv_file_extension",
-            e => { if (!string.IsNullOrEmpty(e)) config.AdvancedConfig.FileExtension = e; }
+            e =>
+            {
+                if (!string.IsNullOrEmpty(e)) config.AdvancedConfig.FileExtension = e;
+                MarkConfigModified();
+            }
         );
         
         _processAudioToggle = CreateToggleField(
@@ -433,7 +560,11 @@ internal static class RenderConfigWindow
             true, config.AdvancedConfig.ProcessAudio,
             LocalizationManager.Get("ui.render_config.process_audio"),
             "toggle_process_audio",
-            val => config.AdvancedConfig.ProcessAudio = val,
+            val =>
+            {
+                config.AdvancedConfig.ProcessAudio = val;
+                MarkConfigModified();
+            },
             generateLabel: false
         );
 
@@ -447,6 +578,7 @@ internal static class RenderConfigWindow
             {
                 if (int.TryParse(val, out var s)) config.AdvancedConfig.RandomSeed = s;
                 else if (string.IsNullOrWhiteSpace(val)) config.AdvancedConfig.RandomSeed = null;
+                MarkConfigModified();
             }
         );
         
@@ -455,7 +587,11 @@ internal static class RenderConfigWindow
             false, config.AdvancedConfig.NonTile,
             LocalizationManager.Get("ui.render_config.non_tile"),
             "toggle_non_tile",
-            val => config.AdvancedConfig.NonTile = val,
+            val =>
+            {
+                config.AdvancedConfig.NonTile = val;
+                MarkConfigModified();
+            },
             generateLabel: false
         );
         
@@ -482,6 +618,7 @@ internal static class RenderConfigWindow
                 _firePlanetPicker?.SetBlocked(!val);
                 config.AdvancedConfig.firePlanetColor = val ? _firePlanetPicker?.Value : null;
                 if (!val) _firePlanetPicker?.SetExpanded(false);
+                MarkConfigModified();
             },
             generateLabel: false
         );
@@ -493,7 +630,10 @@ internal static class RenderConfigWindow
             val =>
             {
                 if (_firePlanetToggle?.Value == true)
+                {
                     config.AdvancedConfig.firePlanetColor = val;
+                    MarkConfigModified();
+                }
             }
         );
         if (!config.AdvancedConfig.firePlanetColor.HasValue)
@@ -512,6 +652,7 @@ internal static class RenderConfigWindow
                 _icePlanetPicker?.SetBlocked(!val);
                 config.AdvancedConfig.icePlanetColor = val ? _icePlanetPicker?.Value : null;
                 if (!val) _icePlanetPicker?.SetExpanded(false);
+                MarkConfigModified();
             },
             generateLabel: false
         );
@@ -523,7 +664,10 @@ internal static class RenderConfigWindow
             val =>
             {
                 if (_icePlanetToggle?.Value == true)
+                {
                     config.AdvancedConfig.icePlanetColor = val;
+                    MarkConfigModified();
+                }
             }
         );
         if (!config.AdvancedConfig.icePlanetColor.HasValue)
@@ -542,6 +686,7 @@ internal static class RenderConfigWindow
                 _windPlanetPicker?.SetBlocked(!val);
                 config.AdvancedConfig.windPlanetColor = val ? _windPlanetPicker?.Value : null;
                 if (!val) _windPlanetPicker?.SetExpanded(false);
+                MarkConfigModified();
             },
             generateLabel: false
         );
@@ -553,7 +698,10 @@ internal static class RenderConfigWindow
             val =>
             {
                 if (_windPlanetToggle?.Value == true)
+                {
                     config.AdvancedConfig.windPlanetColor = val;
+                    MarkConfigModified();
+                }
             }
         );
         if (!config.AdvancedConfig.windPlanetColor.HasValue)
@@ -647,49 +795,19 @@ internal static class RenderConfigWindow
         
         UpdateVideoCodecUI(config.VideoConfig.Codec, config);
         UpdateRateControlUI(config.VideoConfig.RateControlMode, noAnimate: true);
+
+        if (!string.IsNullOrEmpty(GlobalSettings.Current.LastPresetName))
+        {
+            _presetDropdown?.Set(GlobalSettings.Current.LastPresetName, false);
+            _lastLoadedPresetName = GlobalSettings.Current.LastPresetName;
+            UpdateDeleteButtonState();
+        }
     }
 
     private static void TryGoRender()
     {
         var config = RenderManager.Instance.Configuration;
-
-        // Sync Video Config
-        if (_bitrateInput != null && int.TryParse(_bitrateInput.Value, out var bitrate) && bitrate > 0)
-        {
-            config.VideoConfig.Bitrate = bitrate;
-        }
-        if (_maxBitrateInput != null && int.TryParse(_maxBitrateInput.Value, out var maxBitrate) && maxBitrate > 0)
-        {
-            config.VideoConfig.MaxBitrate = maxBitrate;
-        }
-        if (_qpInput != null && int.TryParse(_qpInput.Value, out var qp) && qp >= 0)
-        {
-            config.VideoConfig.QP = qp;
-        }
-
-        // Sync Advanced Config
-        if (_randomSeedInput != null)
-        {
-            if (int.TryParse(_randomSeedInput.Value, out var seed))
-            {
-                config.AdvancedConfig.RandomSeed = seed;
-            }
-            else if (string.IsNullOrWhiteSpace(_randomSeedInput.Value))
-            {
-                config.AdvancedConfig.RandomSeed = null;
-            }
-        }
-
-        // Sync Planet Colors
-        config.AdvancedConfig.firePlanetColor = (_firePlanetToggle?.Value == true && _firePlanetPicker != null)
-            ? _firePlanetPicker.Value
-            : null;
-        config.AdvancedConfig.icePlanetColor = (_icePlanetToggle?.Value == true && _icePlanetPicker != null)
-            ? _icePlanetPicker.Value
-            : null;
-        config.AdvancedConfig.windPlanetColor = (_windPlanetToggle?.Value == true && _windPlanetPicker != null)
-            ? _windPlanetPicker.Value
-            : null;
+        SyncUItoConfig(config);
 
         // Sync Output Directory
         if (_outputDirInput != null)
@@ -725,6 +843,250 @@ internal static class RenderConfigWindow
         new RenderSession().Start(config, RenderManager.Instance.levelPath);
     }
 
+    private static void SyncUItoConfig(RenderConfig target)
+    {
+        if (_renderFpsSlider != null) target.RenderFPS = _renderFpsSlider.Value;
+        if (_videoFPSSlider != null) target.VideoFPS = _videoFPSSlider.Value;
+        if (_renderWidthSlider != null) target.RenderWidth = (int)Math.Round(_renderWidthSlider.Value);
+        if (_renderHeightSlider != null) target.RenderHeight = (int)Math.Round(_renderHeightSlider.Value);
+        if (_delayAfterEndSlider != null) target.DelayAfterEnd = _delayAfterEndSlider.Value;
+        if (_showJudgementToggle != null) target.ShowJudgementText = _showJudgementToggle.Value;
+
+        if (_codecDropdown != null) target.VideoConfig.Codec = _codecDropdown.Value;
+        if (_rateControlDropdown != null) target.VideoConfig.RateControlMode = _rateControlDropdown.Value;
+
+        if (_bitrateInput != null && int.TryParse(_bitrateInput.Value, out var bitrate) && bitrate > 0)
+        {
+            target.VideoConfig.Bitrate = bitrate;
+        }
+        if (_maxBitrateInput != null && int.TryParse(_maxBitrateInput.Value, out var maxBitrate) && maxBitrate > 0)
+        {
+            target.VideoConfig.MaxBitrate = maxBitrate;
+        }
+        if (_qpInput != null && int.TryParse(_qpInput.Value, out var qp) && qp >= 0)
+        {
+            target.VideoConfig.QP = qp;
+        }
+        if (_keyframeIntervalSlider != null) target.VideoConfig.KeyframeInterval = _keyframeIntervalSlider.Value;
+        if (_forceSoftwareToggle != null) target.VideoConfig.ForceSoftwareEncoder = _forceSoftwareToggle.Value;
+
+        if (_renderAudioToggle != null) target.AudioConfig.RenderAudio = _renderAudioToggle.Value;
+        if (_sampleRateDropdown != null) target.AudioConfig.AudioSampleRate = _sampleRateDropdown.Value;
+        if (_channelsDropdown != null) target.AudioConfig.AudioChannels = _channelsDropdown.Value;
+        if (_audioBitrateSlider != null) target.AudioConfig.AudioBitrate = (int)Math.Round(_audioBitrateSlider.Value) * 1000;
+
+        if (_fileExtensionDropdown != null && !string.IsNullOrEmpty(_fileExtensionDropdown.Value))
+            target.AdvancedConfig.FileExtension = _fileExtensionDropdown.Value;
+
+        if (_randomSeedInput != null)
+        {
+            if (int.TryParse(_randomSeedInput.Value, out var seed))
+            {
+                target.AdvancedConfig.RandomSeed = seed;
+            }
+            else if (string.IsNullOrWhiteSpace(_randomSeedInput.Value))
+            {
+                target.AdvancedConfig.RandomSeed = null;
+            }
+        }
+        if (_processAudioToggle != null) target.AdvancedConfig.ProcessAudio = _processAudioToggle.Value;
+        if (_nonTileToggle != null) target.AdvancedConfig.NonTile = _nonTileToggle.Value;
+
+        // Planet Colors
+        target.AdvancedConfig.firePlanetColor = (_firePlanetToggle?.Value == true && _firePlanetPicker != null)
+            ? _firePlanetPicker.Value
+            : null;
+        target.AdvancedConfig.icePlanetColor = (_icePlanetToggle?.Value == true && _icePlanetPicker != null)
+            ? _icePlanetPicker.Value
+            : null;
+        target.AdvancedConfig.windPlanetColor = (_windPlanetToggle?.Value == true && _windPlanetPicker != null)
+            ? _windPlanetPicker.Value
+            : null;
+    }
+
+    private static string CustomPresetLabel => LocalizationManager.Get("ui.render_config.preset_custom");
+
+    private static void MarkConfigModified()
+    {
+        if (_presetDropdown == null) return;
+        var customLabel = CustomPresetLabel;
+        if (_presetDropdown.Value == customLabel) return;
+
+        var currentValues = _presetDropdown.Values;
+        if (!currentValues.Contains(customLabel))
+        {
+            var list = new List<string>(currentValues);
+            list.Insert(0, customLabel);
+            _presetDropdown.SetValues(list);
+        }
+
+        _presetDropdown.Set(customLabel, false);
+        UpdateDeleteButtonState();
+    }
+
+    private static void OnPresetSelected(string? selectedName, RenderConfig config)
+    {
+        if (string.IsNullOrEmpty(selectedName) || selectedName == CustomPresetLabel) return;
+        var preset = PresetManager.GetPresets().FirstOrDefault(p => string.Equals(p.Name, selectedName, StringComparison.OrdinalIgnoreCase));
+        if (preset == null) return;
+
+        GlobalSettings.Current.LastPresetName = preset.Name;
+        GlobalSettings.Save();
+        _lastLoadedPresetName = preset.Name;
+
+        config.CopyFrom(preset.Config);
+        ApplyConfigToUI(config);
+
+        _presetNameInput?.Set(preset.Name, false);
+
+        if (_presetDropdown != null && _presetDropdown.Values.Contains(CustomPresetLabel))
+        {
+            var cleaned = _presetDropdown.Values.Where(v => v != CustomPresetLabel).ToList();
+            _presetDropdown.SetValues(cleaned);
+            _presetDropdown.Set(preset.Name, false);
+        }
+
+        UpdateDeleteButtonState();
+    }
+
+    private static void OnSavePresetClicked(RenderConfig config)
+    {
+        SyncUItoConfig(config);
+
+        var name = _presetNameInput?.Value?.Trim();
+        if (string.IsNullOrWhiteSpace(name) || name == CustomPresetLabel)
+        {
+            CommonWarningDialogUI.ShowDialog(
+                LocalizationManager.Get("ui.render_config.validation_title"),
+                LocalizationManager.Get("ui.render_config.preset_name_empty"),
+                new DialogButton(LocalizationManager.Get("ui.render_config.confirm"), () => { })
+            );
+            return;
+        }
+
+        bool isCurrentPreset = !string.IsNullOrEmpty(_lastLoadedPresetName) &&
+                               string.Equals(_lastLoadedPresetName, name, StringComparison.OrdinalIgnoreCase);
+
+        var existing = PresetManager.GetPresets().FirstOrDefault(p => string.Equals(p.Name, name, StringComparison.OrdinalIgnoreCase));
+        if (existing != null && !isCurrentPreset)
+        {
+            CommonWarningDialogUI.ShowDialog(
+                LocalizationManager.Get("ui.render_config.preset_overwrite_title"),
+                LocalizationManager.Get("ui.render_config.preset_overwrite_desc", name),
+                new DialogButton(
+                    LocalizationManager.Get("ui.render_config.confirm"),
+                    () => DoSavePreset(name, config)
+                ),
+                new DialogButton(
+                    LocalizationManager.Get("ui.render_config.cancel"),
+                    () => { }
+                )
+            );
+        }
+        else
+        {
+            DoSavePreset(name, config);
+        }
+    }
+
+    private static void DoSavePreset(string name, RenderConfig config)
+    {
+        PresetManager.SavePreset(name, config);
+        GlobalSettings.Current.LastPresetName = name;
+        GlobalSettings.Save();
+        _lastLoadedPresetName = name;
+        ReloadPresetDropdown(selectName: name);
+    }
+
+    private static void OnDeletePresetClicked(RenderConfig config)
+    {
+        var targetPresetName = _presetDropdown?.Value;
+        if (string.IsNullOrWhiteSpace(targetPresetName) || targetPresetName == CustomPresetLabel)
+        {
+            targetPresetName = _lastLoadedPresetName;
+            if (string.IsNullOrWhiteSpace(targetPresetName) || targetPresetName == CustomPresetLabel)
+            {
+                return;
+            }
+        }
+
+        var ctx = RendererUIManager.Context;
+        CommonWarningDialogUI.ShowDialog(
+            LocalizationManager.Get("ui.render_config.preset_delete_title"),
+            LocalizationManager.Get("ui.render_config.preset_delete_desc", targetPresetName),
+            new DialogButton(
+                LocalizationManager.Get("ui.render_config.confirm"),
+                () => DoDeletePreset(targetPresetName, config),
+                ctx.Theme.SoftRed
+            ),
+            new DialogButton(
+                LocalizationManager.Get("ui.render_config.cancel"),
+                () => { }
+            )
+        );
+    }
+
+    private static void DoDeletePreset(string name, RenderConfig config)
+    {
+        PresetManager.DeletePreset(name);
+        var presets = PresetManager.GetPresets();
+        var fallbackName = presets.Count > 0 ? presets[0].Name : "";
+        GlobalSettings.Current.LastPresetName = fallbackName;
+        GlobalSettings.Save();
+        _lastLoadedPresetName = fallbackName;
+
+        ReloadPresetDropdown(selectName: fallbackName);
+
+        var fallbackPreset = presets.FirstOrDefault(p => string.Equals(p.Name, fallbackName, StringComparison.OrdinalIgnoreCase));
+        if (fallbackPreset != null)
+        {
+            config.CopyFrom(fallbackPreset.Config);
+            ApplyConfigToUI(config);
+            _presetNameInput?.Set(fallbackPreset.Name, false);
+        }
+    }
+
+    private static void ReloadPresetDropdown(string? selectName = null)
+    {
+        var presets = PresetManager.GetPresets();
+        var names = presets.Select(p => p.Name).ToList();
+        if (names.Count == 0)
+        {
+            _presetDropdown?.SetValues(new List<string> { CustomPresetLabel });
+            _presetDropdown?.Set(CustomPresetLabel, false);
+            _lastLoadedPresetName = null;
+            UpdateDeleteButtonState();
+            return;
+        }
+
+        _presetDropdown?.SetValues(names);
+
+        var targetName = selectName;
+        if (string.IsNullOrEmpty(targetName) || !names.Contains(targetName))
+        {
+            targetName = names[0];
+        }
+
+        _presetDropdown?.Set(targetName, false);
+        _lastLoadedPresetName = targetName;
+        UpdateDeleteButtonState();
+    }
+
+    private static void UpdateDeleteButtonState(string? presetName = null)
+    {
+        var targetName = presetName ?? _presetDropdown?.Value;
+        if (targetName == CustomPresetLabel)
+        {
+            targetName = _lastLoadedPresetName;
+        }
+
+        bool canDelete = !string.IsNullOrEmpty(targetName) &&
+                         targetName != CustomPresetLabel &&
+                         PresetManager.GetPresets().Any(p => string.Equals(p.Name, targetName, StringComparison.OrdinalIgnoreCase));
+
+        _deletePresetButton?.SetBlocked(!canDelete);
+    }
+
     private static void ShowValidationError(string message)
     {
         Melon<RenderMod>.Logger.Error(message);