Add initial basic .BIN model support
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38B57B16E7C0ADF7
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using System;
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using System.IO;
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using System.Numerics;
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using System.Text;
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namespace KeepersCompound.LGS;
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// TODO: Remove all the things that don't actually need to be stored
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public class ModelFile
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{
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public readonly struct BHeader
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{
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public string Signature { get; }
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public int Version { get; }
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public BHeader(BinaryReader reader)
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{
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Signature = Encoding.UTF8.GetString(reader.ReadBytes(4)).Replace("\0", string.Empty);
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Version = reader.ReadInt32();
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}
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}
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public readonly struct MHeader
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{
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public string Name { get; }
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public float Radius { get; }
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public float MaxPolygonRadius { get; }
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public Vector3 MaxBounds { get; }
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public Vector3 MinBounds { get; }
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public Vector3 Center { get; }
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public ushort PolygonCount { get; }
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public ushort VertexCount { get; }
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public ushort ParameterCount { get; }
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public byte MaterialCount { get; }
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public byte VCallCount { get; }
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public byte VHotCount { get; }
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public byte ObjectCount { get; }
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public uint ObjectOffset { get; }
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public uint MaterialOffset { get; }
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public uint UvOffset { get; }
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public uint VHotOffset { get; }
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public uint VertexOffset { get; }
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public uint LightOffset { get; }
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public uint NormalOffset { get; }
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public uint PolygonOffset { get; }
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public uint NodeOffset { get; }
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public uint ModelSize { get; }
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public uint AuxMaterialFlags { get; }
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public uint AuxMaterialOffset { get; }
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public uint AuxMaterialSize { get; }
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public MHeader(BinaryReader reader, int version)
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{
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var tmpName = Encoding.UTF8.GetString(reader.ReadBytes(8)).Replace("\0", string.Empty);
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Name = tmpName[..Math.Min(7, tmpName.Length)];
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Radius = reader.ReadSingle();
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MaxPolygonRadius = reader.ReadSingle();
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MaxBounds = reader.ReadVec3();
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MinBounds = reader.ReadVec3();
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Center = reader.ReadVec3();
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PolygonCount = reader.ReadUInt16();
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VertexCount = reader.ReadUInt16();
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ParameterCount = reader.ReadUInt16();
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MaterialCount = reader.ReadByte();
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VCallCount = reader.ReadByte();
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VHotCount = reader.ReadByte();
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ObjectCount = reader.ReadByte();
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ObjectOffset = reader.ReadUInt32();
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MaterialOffset = reader.ReadUInt32();
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UvOffset = reader.ReadUInt32();
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VHotOffset = reader.ReadUInt32();
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VertexOffset = reader.ReadUInt32();
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LightOffset = reader.ReadUInt32();
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NormalOffset = reader.ReadUInt32();
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PolygonOffset = reader.ReadUInt32();
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NodeOffset = reader.ReadUInt32();
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ModelSize = reader.ReadUInt32();
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if (version == 4)
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{
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AuxMaterialFlags = reader.ReadUInt32();
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AuxMaterialOffset = reader.ReadUInt32();
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AuxMaterialSize = reader.ReadUInt32();
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}
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else
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{
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AuxMaterialFlags = 0;
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AuxMaterialOffset = 0;
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AuxMaterialSize = 0;
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}
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}
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}
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public struct Polygon
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{
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public ushort Index;
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public ushort Data;
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public byte Type;
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public byte VertexCount;
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public ushort Normal;
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public float D;
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public ushort[] VertexIndices;
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public ushort[] LightIndices;
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public ushort[] UvIndices;
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public byte Material;
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public Polygon(BinaryReader reader, int version)
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{
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Index = reader.ReadUInt16();
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Data = reader.ReadUInt16();
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Type = reader.ReadByte();
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VertexCount = reader.ReadByte();
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Normal = reader.ReadUInt16();
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D = reader.ReadSingle();
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VertexIndices = new ushort[VertexCount];
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for (var i = 0; i < VertexCount; i++)
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{
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VertexIndices[i] = reader.ReadUInt16();
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}
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LightIndices = new ushort[VertexCount];
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for (var i = 0; i < VertexCount; i++)
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{
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LightIndices[i] = reader.ReadUInt16();
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}
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UvIndices = new ushort[Type == 0x1B ? VertexCount : 0];
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for (var i = 0; i < UvIndices.Length; i++)
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{
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LightIndices[i] = reader.ReadUInt16();
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}
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Material = version == 4 ? reader.ReadByte() : (byte)0;
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}
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}
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public BHeader BinHeader { get; set; }
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public MHeader Header { get; set; }
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public Vector3[] Vertices { get; }
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public Vector2[] Uvs { get; }
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public Vector3[] Normals { get; }
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public Polygon[] Polygons { get; }
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public ModelFile(string filename)
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{
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if (!File.Exists(filename)) return;
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using MemoryStream stream = new(File.ReadAllBytes(filename));
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using BinaryReader reader = new(stream, Encoding.UTF8, false);
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BinHeader = new BHeader(reader);
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if (BinHeader.Signature != "LGMD") return;
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Header = new MHeader(reader, BinHeader.Version);
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stream.Seek(Header.VertexOffset, SeekOrigin.Begin);
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Vertices = new Vector3[Header.VertexCount];
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for (var i = 0; i < Vertices.Length; i++)
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{
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Vertices[i] = reader.ReadVec3();
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}
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stream.Seek(Header.UvOffset, SeekOrigin.Begin);
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Uvs = new Vector2[(Header.VHotOffset - Header.UvOffset) / 8];
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for (var i = 0; i < Uvs.Length; i++)
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{
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Uvs[i] = reader.ReadVec2();
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}
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stream.Seek(Header.NormalOffset, SeekOrigin.Begin);
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Normals = new Vector3[(Header.PolygonOffset - Header.NormalOffset) / 12];
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for (var i = 0; i < Normals.Length; i++)
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{
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Normals[i] = reader.ReadVec3();
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}
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stream.Seek(Header.PolygonOffset, SeekOrigin.Begin);
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Polygons = new Polygon[Header.PolygonCount];
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for (var i = 0; i < Polygons.Length; i++)
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{
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Polygons[i] = new Polygon(reader, BinHeader.Version);
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}
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}
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}
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@ -8,6 +8,7 @@ public class InstallPaths
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{
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public string rootPath;
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public string famPath;
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public string objPath;
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public string omsPath;
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public string fmsPath;
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@ -21,6 +22,7 @@ public class InstallPaths
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rootPath = root;
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famPath = Directory.GetFiles(rootPath, "fam.crf", searchOptions)[0];
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objPath = Directory.GetFiles(rootPath, "obj.crf", searchOptions)[0];
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var paths = Directory.GetFiles(rootPath, "install.cfg", searchOptions);
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if (paths.Length == 0)
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{
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using System.Collections.Generic;
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using Godot;
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using Godot.Collections;
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using KeepersCompound.LGS;
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using KeepersCompound.TMV.UI;
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namespace KeepersCompound.TMV;
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public partial class Model : Node3D
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{
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public override void _Ready()
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{
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var modelSelector = GetNode<Control>("%ModelSelector") as ModelSelector;
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modelSelector.LoadModel += BuildModel;
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}
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private void BuildModel(string rootPath, string modelPath)
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{
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foreach (var node in GetChildren())
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{
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node.QueueFree();
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}
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var modelFile = new ModelFile(modelPath);
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if (modelFile == null)
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{
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GD.Print("UH OH");
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}
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var vertices = new List<Vector3>();
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var indices = new List<int>();
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foreach (var v in modelFile.Vertices)
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{
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vertices.Add(v.ToGodotVec3());
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}
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foreach (var poly in modelFile.Polygons)
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{
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for (var i = 1; i < poly.VertexCount - 1; i++)
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{
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indices.Add(poly.VertexIndices[0]);
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indices.Add(poly.VertexIndices[i]);
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indices.Add(poly.VertexIndices[i + 1]);
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}
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}
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var array = new Array();
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array.Resize((int)Mesh.ArrayType.Max);
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array[(int)Mesh.ArrayType.Vertex] = vertices.ToArray();
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array[(int)Mesh.ArrayType.Index] = indices.ToArray();
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var mesh = new ArrayMesh();
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mesh.AddSurfaceFromArrays(Mesh.PrimitiveType.Triangles, array);
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var meshInstance = new MeshInstance3D { Mesh = mesh };
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AddChild(meshInstance);
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}
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}
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using Godot;
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namespace KeepersCompound.TMV.UI;
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public partial class ModelSelector : Control
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{
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[Signal]
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public delegate void LoadModelEventHandler(string rootPath, string modelPath);
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private InstallPaths _installPaths;
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private FileDialog _FolderSelect;
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private LineEdit _FolderPath;
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private Button _BrowseButton;
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private ItemList _Models;
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private Button _LoadButton;
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private Button _CancelButton;
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private string _extractedObjectsPath = ProjectSettings.GlobalizePath($"user://objects/tmp");
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public override void _Ready()
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{
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// TODO: Load initial folderpath from config and prefil everything
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_FolderSelect = GetNode<FileDialog>("%FolderSelect");
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_FolderPath = GetNode<LineEdit>("%FolderPath");
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_BrowseButton = GetNode<Button>("%BrowseButton");
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_Models = GetNode<ItemList>("%Models");
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_LoadButton = GetNode<Button>("%LoadButton");
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_CancelButton = GetNode<Button>("%CancelButton");
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_BrowseButton.Pressed += () => _FolderSelect.Visible = true;
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_FolderSelect.DirSelected += (string dir) => { _FolderPath.Text = dir; BuildModelList(dir); };
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_FolderPath.TextSubmitted += BuildModelList;
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_Models.ItemSelected += (long _) => _LoadButton.Disabled = false;
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_LoadButton.Pressed += EmitLoadModel;
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_CancelButton.Pressed += () => Visible = false;
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}
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public override void _Input(InputEvent @event)
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{
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if (@event is InputEventKey keyEvent && keyEvent.Pressed)
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{
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if (keyEvent.Keycode == Key.Escape)
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{
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Visible = !Visible;
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}
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}
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}
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private void BuildModelList(string path)
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{
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_installPaths = new InstallPaths(path);
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ExtractObjFiles();
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_Models.Clear();
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_LoadButton.Disabled = true;
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foreach (var m in Directory.GetFiles(_extractedObjectsPath, "*.bin", SearchOption.AllDirectories))
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{
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_Models.AddItem(m.TrimPrefix(_extractedObjectsPath));
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}
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}
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// TODO: Move this to a resource manager
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private void ExtractObjFiles()
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{
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var dir = new DirectoryInfo(_extractedObjectsPath);
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if (dir.Exists)
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{
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dir.Delete(true);
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}
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var zip = ZipFile.OpenRead(_installPaths.objPath);
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zip.ExtractToDirectory(_extractedObjectsPath);
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}
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private void EmitLoadModel()
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{
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var selected = _Models.GetSelectedItems();
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if (selected.IsEmpty())
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{
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return;
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}
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var path = _extractedObjectsPath + _Models.GetItemText(selected[0]);
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EmitSignal(SignalName.LoadModel, _installPaths.rootPath, path);
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Visible = false;
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}
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}
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[gd_scene load_steps=5 format=3 uid="uid://iegbijrr5amb"]
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[ext_resource type="Script" path="res://project/code/TMV/Model.cs" id="1_dax7s"]
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[ext_resource type="Script" path="res://project/code/camera.gd" id="2_ov7rc"]
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[ext_resource type="PackedScene" uid="uid://c366p056f8dlu" path="res://project/scenes/ui/model_selector.tscn" id="3_ovrmo"]
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[sub_resource type="Environment" id="Environment_e4172"]
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ssao_enabled = true
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[node name="ModelViewer" type="Node3D"]
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[node name="Model" type="Node3D" parent="."]
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transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.110309, 0.187101, -0.461656)
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script = ExtResource("1_dax7s")
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[node name="Camera3D" type="Camera3D" parent="."]
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script = ExtResource("2_ov7rc")
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[node name="UI" type="CanvasLayer" parent="."]
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[node name="ModelSelector" parent="UI" instance=ExtResource("3_ovrmo")]
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unique_name_in_owner = true
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[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
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environment = SubResource("Environment_e4172")
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[gd_scene load_steps=3 format=3 uid="uid://c366p056f8dlu"]
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[ext_resource type="Script" path="res://project/code/TMV/UI/ModelSelector.cs" id="1_oy1sl"]
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[sub_resource type="LabelSettings" id="LabelSettings_4v24o"]
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font_size = 20
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[node name="ModelSelector" type="Control"]
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layout_mode = 3
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anchors_preset = 8
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anchor_left = 0.5
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anchor_top = 0.5
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anchor_right = 0.5
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anchor_bottom = 0.5
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grow_horizontal = 2
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grow_vertical = 2
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script = ExtResource("1_oy1sl")
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[node name="FolderSelect" type="FileDialog" parent="."]
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unique_name_in_owner = true
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title = "Open a Directory"
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initial_position = 2
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size = Vector2i(636, 159)
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ok_button_text = "Select Current Folder"
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file_mode = 2
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access = 2
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use_native_dialog = true
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[node name="PanelContainer" type="PanelContainer" parent="."]
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custom_minimum_size = Vector2(640, 0)
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layout_mode = 1
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anchors_preset = 8
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anchor_left = 0.5
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anchor_top = 0.5
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anchor_right = 0.5
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anchor_bottom = 0.5
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offset_left = -144.0
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offset_top = -37.0
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offset_right = 144.0
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offset_bottom = 37.0
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grow_horizontal = 2
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grow_vertical = 2
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[node name="MarginContainer" type="MarginContainer" parent="PanelContainer"]
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layout_mode = 2
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theme_override_constants/margin_left = 8
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theme_override_constants/margin_top = 8
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theme_override_constants/margin_right = 8
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theme_override_constants/margin_bottom = 8
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[node name="VBoxContainer" type="VBoxContainer" parent="PanelContainer/MarginContainer"]
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layout_mode = 2
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[node name="Title" type="Label" parent="PanelContainer/MarginContainer/VBoxContainer"]
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layout_mode = 2
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text = "Model Selector"
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label_settings = SubResource("LabelSettings_4v24o")
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horizontal_alignment = 1
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[node name="FolderSelect" type="HBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
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layout_mode = 2
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[node name="Label" type="Label" parent="PanelContainer/MarginContainer/VBoxContainer/FolderSelect"]
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layout_mode = 2
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text = "Folder"
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[node name="FolderPath" type="LineEdit" parent="PanelContainer/MarginContainer/VBoxContainer/FolderSelect"]
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unique_name_in_owner = true
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layout_mode = 2
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size_flags_horizontal = 3
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[node name="BrowseButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer/FolderSelect"]
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unique_name_in_owner = true
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layout_mode = 2
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text = "Browse"
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[node name="HBoxContainer" type="HBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
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layout_mode = 2
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[node name="Models" type="ItemList" parent="PanelContainer/MarginContainer/VBoxContainer/HBoxContainer"]
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unique_name_in_owner = true
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custom_minimum_size = Vector2(0, 480)
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layout_mode = 2
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size_flags_horizontal = 3
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[node name="Buttons" type="HBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
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layout_mode = 2
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size_flags_horizontal = 8
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[node name="LoadButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer/Buttons"]
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unique_name_in_owner = true
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layout_mode = 2
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disabled = true
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text = "Load"
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[node name="CancelButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer/Buttons"]
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unique_name_in_owner = true
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layout_mode = 2
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text = "Cancel"
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