Animation Frame Packer and Unpacking.

UoFiddler.Controls/Classes/PackedFrameEntry.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PackedFrameEntry
+    {
+        [JsonPropertyName("direction")] public int Direction { get; set; }
+        [JsonPropertyName("index")] public int Index { get; set; }
+        [JsonPropertyName("frame")] public Rect Frame { get; set; }
+        [JsonPropertyName("center")] public PointStruct Center { get; set; }
+    }
+}

UoFiddler.Controls/Classes/PackedItemEntry.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PackedItemEntry
+    {
+        public int Index { get; set; }
+        public Rect Frame { get; set; }
+        public PointStruct Center { get; set; }
+    }
+}

UoFiddler.Controls/Classes/PackedItemOutput.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Collections.Generic;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PackedItemOutput
+    {
+        public PackedMeta Meta { get; set; }
+        public List<PackedItemEntry> Items { get; set; }
+    }
+}

UoFiddler.Controls/Classes/PackedMeta.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PackedMeta
+    {
+        [JsonPropertyName("image")] public string Image { get; set; }
+        [JsonPropertyName("size")] public SizeStruct Size { get; set; }
+        [JsonPropertyName("format")] public string Format { get; set; }
+    }
+}

UoFiddler.Controls/Classes/PackedOutput.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PackedOutput
+    {
+        [JsonPropertyName("meta")] public PackedMeta Meta { get; set; }
+        [JsonPropertyName("frames")] public List<PackedFrameEntry> Frames { get; set; }
+    }
+}

UoFiddler.Controls/Classes/PointStruct.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class PointStruct
+    {
+        [JsonPropertyName("x")] public int X { get; set; }
+        [JsonPropertyName("y")] public int Y { get; set; }
+    }
+}

UoFiddler.Controls/Classes/Rect.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class Rect
+    {
+        [JsonPropertyName("x")] public int X { get; set; }
+        [JsonPropertyName("y")] public int Y { get; set; }
+        [JsonPropertyName("w")] public int W { get; set; }
+        [JsonPropertyName("h")] public int H { get; set; }
+    }
+}

UoFiddler.Controls/Classes/SizeStruct.cs

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+/***************************************************************************
+ *
+ * $Author: Turley
+ * 
+ * "THE BEER-WARE LICENSE"
+ * As long as you retain this notice you can do whatever you want with 
+ * this stuff. If we meet some day, and you think this stuff is worth it,
+ * you can buy me a beer in return.
+ *
+ ***************************************************************************/
+
+using System.Text.Json.Serialization;
+
+namespace UoFiddler.Controls.Classes
+{
+    public class SizeStruct
+        {
+            [JsonPropertyName("w")] public int W { get; set; }
+            [JsonPropertyName("h")] public int H { get; set; }
+        }
+}

UoFiddler.Controls/Forms/ItemRangeInputForm.cs

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+using System;
+using System.Windows.Forms;
+
+namespace UoFiddler.Controls.Forms
+{
+    public partial class ItemRangeInputForm : Form
+    {
+        private TextBox _rangeTextBox;
+        private Button _okButton;
+        private Button _cancelButton;
+        private Label _instructionLabel;
+
+        public int StartIndex { get; private set; }
+        public int EndIndex { get; private set; }
+
+        public ItemRangeInputForm()
+        {
+            InitializeComponent();
+        }
+
+        private void InitializeComponent()
+        {
+            _rangeTextBox = new TextBox();
+            _okButton = new Button();
+            _cancelButton = new Button();
+            _instructionLabel = new Label();
+            SuspendLayout();
+            // 
+            // _rangeTextBox
+            // 
+            _rangeTextBox.Location = new System.Drawing.Point(12, 29);
+            _rangeTextBox.Name = "_rangeTextBox";
+            _rangeTextBox.Size = new System.Drawing.Size(260, 31);
+            _rangeTextBox.TabIndex = 0;
+            // 
+            // _okButton
+            // 
+            _okButton.DialogResult = DialogResult.OK;
+            _okButton.Location = new System.Drawing.Point(116, 66);
+            _okButton.Name = "_okButton";
+            _okButton.Size = new System.Drawing.Size(75, 40);
+            _okButton.TabIndex = 1;
+            _okButton.Text = "OK";
+            _okButton.UseVisualStyleBackColor = true;
+            _okButton.Click += OkButton_Click;
+            // 
+            // _cancelButton
+            // 
+            _cancelButton.DialogResult = DialogResult.Cancel;
+            _cancelButton.Location = new System.Drawing.Point(197, 66);
+            _cancelButton.Name = "_cancelButton";
+            _cancelButton.Size = new System.Drawing.Size(75, 40);
+            _cancelButton.TabIndex = 2;
+            _cancelButton.Text = "Cancel";
+            _cancelButton.UseVisualStyleBackColor = true;
+            // 
+            // _instructionLabel
+            // 
+            _instructionLabel.AutoSize = true;
+            _instructionLabel.Location = new System.Drawing.Point(12, 9);
+            _instructionLabel.Name = "_instructionLabel";
+            _instructionLabel.Size = new System.Drawing.Size(230, 25);
+            _instructionLabel.TabIndex = 3;
+            _instructionLabel.Text = "Enter Range (e.g., 100-200):";
+            // 
+            // ItemRangeInputForm
+            // 
+            AcceptButton = _okButton;
+            CancelButton = _cancelButton;
+            ClientSize = new System.Drawing.Size(307, 117);
+            Controls.Add(_instructionLabel);
+            Controls.Add(_cancelButton);
+            Controls.Add(_okButton);
+            Controls.Add(_rangeTextBox);
+            FormBorderStyle = FormBorderStyle.FixedDialog;
+            MaximizeBox = false;
+            MinimizeBox = false;
+            Name = "ItemRangeInputForm";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Export Items Range";
+            ResumeLayout(false);
+            PerformLayout();
+
+        }
+
+        private void OkButton_Click(object sender, EventArgs e)
+        {
+            string input = _rangeTextBox.Text.Trim();
+            string[] parts = input.Split('-');
+
+            if (parts.Length != 2)
+            {
+                MessageBox.Show("Invalid format. Please use 'Start-End' (e.g., 100-200).", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                this.DialogResult = DialogResult.None;
+                return;
+            }
+
+            if (int.TryParse(parts[0], out int start) && int.TryParse(parts[1], out int end))
+            {
+                if (start > end)
+                {
+                    MessageBox.Show("Start index cannot be greater than end index.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    this.DialogResult = DialogResult.None;
+                    return;
+                }
+
+                if (end - start + 1 > 100)
+                {
+                    MessageBox.Show("Range cannot exceed 100 items.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    this.DialogResult = DialogResult.None;
+                    return;
+                }
+
+                StartIndex = start;
+                EndIndex = end;
+            }
+            else
+            {
+                MessageBox.Show("Invalid numbers.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                this.DialogResult = DialogResult.None;
+            }
+        }
+    }
+}