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mcmonkey4evamcmonkey4eva
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initial ability to read bbmodel files
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8 files changed

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‎.gitignore‎

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bin/
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obj/
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.vs/
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*.suo

‎DenizenModelsConverter/BBModel.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using FreneticUtilities.FreneticExtensions;
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using FreneticUtilities.FreneticToolkit;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace DenizenModelsConverter
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{
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public class BBModel
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{
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public JObject JsonRoot;
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public string Name;
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public string FormatVersion;
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public DateTimeOffset CreationTime;
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public List<Element> Elements = new();
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public List<Texture> Textures = new();
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public List<Animation> Animations = new();
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public class Element
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{
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public string Name;
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public IntegerVector From, To, Origin;
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public string Type;
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public Guid UUID;
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public bool Locked, Rescale;
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public int AutoUV, Color;
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public Face North, South, East, West, Up, Down;
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public class Face
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{
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public int TextureID;
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public UV TexCoord;
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public class UV
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{
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public int ULow, UHigh, VLow, VHigh;
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}
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}
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}
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public class Texture
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{
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public string Path, Name, Folder, Namespace, ID, RenderMode, Mode;
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public bool Particle, Visible = true;
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public Guid UUID;
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public byte[] RawImageBytes;
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}
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public class Animation
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{
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public Guid UUID;
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public string Name;
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public enum LoopType
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{
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LOOP, ONCE
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}
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public LoopType Loop;
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public bool Override;
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public string AnimTimeUpdate, BlendWeight;
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public double Length;
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public int Snapping;
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public List<Animator> Animators = new();
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public class Animator
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{
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public Guid UUID;
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public string Name;
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public List<Keyframe> Keyframes = new();
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}
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public class Keyframe
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{
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public enum ChannelType
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{
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POSITION,
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ROTATION
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}
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public ChannelType Channel;
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public DoubleVector DataPoint;
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public Guid UUID;
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public double Time;
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public int Color;
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public enum InterpolationType
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{
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LINEAR,
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CATMULLROM
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}
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public InterpolationType Interpolation;
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}
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}
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}
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}

‎DenizenModelsConverter/BBModelReader.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using FreneticUtilities.FreneticExtensions;
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using FreneticUtilities.FreneticToolkit;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace DenizenModelsConverter
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{
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public static class BBModelReader
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{
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public static bool Verbose = false;
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public static void Debug(string text)
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{
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if (Verbose)
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{
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Console.WriteLine($"[Debug] {text}");
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}
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}
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public static BBModel Interpret(string fileContent)
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{
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Debug("Start read...");
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JObject data = JObject.Parse(fileContent);
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Debug("Parsed! Start proc...");
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JObject meta = data["meta"] as JObject;
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BBModel result = new()
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{
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JsonRoot = data,
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Name = (string)data.GetRequired("name"),
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FormatVersion = (string)meta.GetRequired("format_version"),
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CreationTime = DateTimeOffset.FromUnixTimeSeconds((long)meta.GetRequired("creation_time")).ToLocalTime()
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};
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Debug("Core read, start body...");
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JArray elements = (JArray)data["elements"];
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JArray textures = (JArray)data["textures"];
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JArray animations = (JArray)data["animations"];
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if (elements is not null)
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{
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Debug("Contains elements");
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foreach (JObject jElement in elements)
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{
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JObject jFaces = (JObject)jElement["faces"];
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string name = (string)jElement.GetRequired("name");
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string type = jElement.GetString("type", "cube");
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if (type != "cube")
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{
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Debug($"Skip element of type '{type}' with name '{name}'");
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continue;
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}
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BBModel.Element element = new()
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{
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Name = name,
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Rescale = jElement.GetBool("rescale", false),
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Locked = jElement.GetBool("locked", false),
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From = ParseIVecFromJson(jElement.GetRequired("from")),
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To = ParseIVecFromJson(jElement.GetRequired("to")),
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AutoUV = (int)jElement.GetRequired("autouv"),
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Color = (int)jElement.GetRequired("color"),
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Origin = ParseIVecFromJson(jElement.GetRequired("origin")),
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North = ParseFaceFromJson(jFaces.GetRequired("north")),
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South = ParseFaceFromJson(jFaces.GetRequired("south")),
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East = ParseFaceFromJson(jFaces.GetRequired("east")),
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West = ParseFaceFromJson(jFaces.GetRequired("west")),
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Up = ParseFaceFromJson(jFaces.GetRequired("up")),
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Down = ParseFaceFromJson(jFaces.GetRequired("down")),
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Type = type,
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UUID = Guid.Parse((string)jElement.GetRequired("uuid"))
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};
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Debug($"Read element {element.Name}");
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result.Elements.Add(element);
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}
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}
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if (textures is not null)
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{
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Debug("Contains textures");
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foreach (JObject jTexture in textures)
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{
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BBModel.Texture texture = new()
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{
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Path = (string)jTexture.GetRequired("path"),
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Name = (string)jTexture.GetRequired("name"),
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Folder = (string)jTexture.GetRequired("folder"),
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Namespace = (string)jTexture.GetRequired("namespace"),
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ID = (string)jTexture.GetRequired("id"),
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Mode = (string)jTexture.GetRequired("mode"),
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Particle = jTexture.GetBool("particle", false),
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Visible = jTexture.GetBool("visible", true),
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// Ignore 'saved'
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UUID = Guid.Parse((string)jTexture.GetRequired("uuid"))
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};
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string sourceTex = (string)jTexture.GetRequired("source");
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if (!sourceTex.StartsWith("data:image/png;base64,"))
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{
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throw new Exception($"Cannot read model - texture {texture.Name} contains source data that isn't the expected base64 png.");
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}
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texture.RawImageBytes = Convert.FromBase64String(sourceTex.After("data:image/png;base64,"));
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Debug($"Read texture {texture.Name}");
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result.Textures.Add(texture);
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}
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}
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if (animations is not null)
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{
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Debug("Contains animations");
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foreach (JObject jAnimation in animations)
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{
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BBModel.Animation animation = new()
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{
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UUID = Guid.Parse((string)jAnimation.GetRequired("uuid")),
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Name = (string)jAnimation.GetRequired("name"),
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Loop = jAnimation.GetRequiredEnum<BBModel.Animation.LoopType>("loop"),
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Override = jAnimation.GetBool("override", false),
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AnimTimeUpdate = (string)jAnimation.GetRequired("anim_time_update"),
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BlendWeight = (string)jAnimation.GetRequired("blend_weight"),
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Length = (double)jAnimation.GetRequired("length"),
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Snapping = (int)jAnimation.GetRequired("snapping")
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// Ignored 'selected', 'saved', 'path'
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};
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foreach (KeyValuePair<string, JToken> jAnimatorPair in (JObject)jAnimation.GetRequired("animators"))
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{
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JObject jAnimator = (JObject)jAnimatorPair.Value;
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BBModel.Animation.Animator animator = new()
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{
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UUID = Guid.Parse(jAnimatorPair.Key),
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Name = (string)jAnimator.GetRequired("name")
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};
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foreach (JObject jFrame in jAnimator.GetRequired("keyframes"))
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{
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BBModel.Animation.Keyframe keyframe = new()
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{
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Channel = jFrame.GetRequiredEnum<BBModel.Animation.Keyframe.ChannelType>("channel"),
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DataPoint = ParseDVecFromJson(jFrame.GetRequired("data_points").First),
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UUID = Guid.Parse((string)jFrame.GetRequired("uuid")),
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Time = (double)jFrame.GetRequired("time"),
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Color = (int)jFrame.GetRequired("color"),
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Interpolation = jFrame.GetRequiredEnum<BBModel.Animation.Keyframe.InterpolationType>("interpolation")
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};
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animator.Keyframes.Add(keyframe);
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}
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animation.Animators.Add(animator);
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}
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Debug($"Read Animation {animation.Name} with {animation.Animators.Count} animators");
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result.Animations.Add(animation);
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}
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}
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return result;
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}
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public static DoubleVector ParseDVecFromJson(JToken jVal)
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{
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JObject jObj = (JObject)jVal;
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return new DoubleVector((double)jObj.GetRequired("x"), (double)jObj.GetRequired("y"), (double)jObj.GetRequired("z"));
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}
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public static IntegerVector ParseIVecFromJson(JToken jVal)
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{
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JArray jArr = (JArray)jVal;
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return new IntegerVector((int)jArr[0], (int)jArr[1], (int)jArr[2]);
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}
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public static BBModel.Element.Face ParseFaceFromJson(JToken jVal)
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{
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JObject jObj = (JObject)jVal;
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JArray uv = (JArray)jObj.GetRequired("uv");
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return new()
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{
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TextureID = (int)jObj.GetRequired("texture"),
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TexCoord = new BBModel.Element.Face.UV()
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{
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ULow = (int)uv[0], // TODO: Validate this ordering
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VLow = (int)uv[1],
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UHigh = (int)uv[2],
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VHigh = (int)uv[3]
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}
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};
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}
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}
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}

‎DenizenModelsConverter/DoubleVector.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DenizenModelsConverter
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{
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public struct DoubleVector
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{
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public double X, Y, Z;
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public DoubleVector()
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{
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X = 0;
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Y = 0;
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Z = 0;
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}
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public DoubleVector(double x, double y, double z)
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{
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X = x;
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Y = y;
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Z = z;
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}
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}
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}

‎DenizenModelsConverter/GlobalSupressions.cs‎

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// This file is used by Code Analysis to maintain SuppressMessage
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// attributes that are applied to this project.
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// Project-level suppressions either have no target or are given
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// a specific target and scoped to a namespace, type, member, etc.
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using System.Diagnostics.CodeAnalysis;
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[assembly: SuppressMessage("Usage", "CA2211:Non-constant fields should not be visible", Justification = "Counter-productive to quality code")]
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[assembly: SuppressMessage("Style", "IDE0060:Remove unused parameter", Justification = "Endless false marking of methods whose parameters are defined by delegate/Func/Action usage")]
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[assembly: SuppressMessage("CodeQuality", "IDE0079:Remove unnecessary suppression", Justification = "WTF MICROSOFT???")]

‎DenizenModelsConverter/IntegerVector.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DenizenModelsConverter
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{
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public struct IntegerVector
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{
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public int X, Y, Z;
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public IntegerVector()
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{
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X = 0;
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Y = 0;
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Z = 0;
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}
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public IntegerVector(int x, int y, int z)
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{
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X = x;
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Y = y;
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Z = z;
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}
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}
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}

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