Update README.md

- new method of creatign unique numeric IDs for FBX objects
- added code to decompress Skin data; further research needed for data interpretation

README.md

@@ -1,6 +1,6 @@
 **Unity Studio** is a tool meant for exploring, extracting and exporting assets from Unity games and apps.
 
-It was built upon a lot of research and reverse engineering, with more than 400 apps and games tested from every version and every platform.
+It was built on a few years of research and reverse engineering, with more than 400 apps and games tested from every version and every platform.
 As such, it is compatible with Unity builds starting from 2.5.0 up until 5.2.2, the latest version to date, and platforms ranging from Web, PC, Linux, MacOS to Xbox360, PS3, Android and iOS.
 
 #### Current features

Unity Studio/AssetsFile.cs

@@ -53,20 +53,20 @@ namespace Unity_Studio
 
             switch (fileGen)
             {
-                case 6:
+                case 6://2.5.0 - 2.6.1
                     {
                         a_Stream.Position = (dataEnd - tableSize);
                         a_Stream.Position += 1;
                         break;
                     }
-                case 7://Unity 3 beta
+                case 7://3.0.0 beta
                     {
                         a_Stream.Position = (dataEnd - tableSize);
                         a_Stream.Position += 1;
                         m_Version = a_Stream.ReadStringToNull();
                         break;
                     }
-                case 8:
+                case 8://3.0.0 - 3.4.2
                     {
                         a_Stream.Position = (dataEnd - tableSize);
                         a_Stream.Position += 1;
@@ -74,15 +74,15 @@ namespace Unity_Studio
                         platform = a_Stream.ReadInt32();
                         break;
                     }
-                case 9:
+                case 9://3.5.0 - 4.6.x
                     {
                         a_Stream.Position += 4;//azero
                         m_Version = a_Stream.ReadStringToNull();
                         platform = a_Stream.ReadInt32();
                         break;
                     }
-                case 14:
+                case 14://5.0.0 beta and final
-                case 15://not fully tested!
+                case 15://5.0.1 and up
                     {
                         a_Stream.Position += 4;//azero
                         m_Version = a_Stream.ReadStringToNull();

Unity Studio/ExportOptions.Designer.cs

@@ -29,10 +29,11 @@
         private void InitializeComponent()
         {
             this.includeBox = new System.Windows.Forms.GroupBox();
+            this.convertDummies = new System.Windows.Forms.CheckBox();
             this.embedBox = new System.Windows.Forms.CheckBox();
             this.lightsBox = new System.Windows.Forms.CheckBox();
             this.camerasBox = new System.Windows.Forms.CheckBox();
-            this.animationBox = new System.Windows.Forms.CheckBox();
+            this.exportDeformers = new System.Windows.Forms.CheckBox();
             this.geometryBox = new System.Windows.Forms.GroupBox();
             this.exportColors = new System.Windows.Forms.CheckBox();
             this.exportUVs = new System.Windows.Forms.CheckBox();
@@ -56,23 +57,35 @@
             // includeBox
             // 
             this.includeBox.AutoSize = true;
+            this.includeBox.Controls.Add(this.convertDummies);
             this.includeBox.Controls.Add(this.embedBox);
             this.includeBox.Controls.Add(this.lightsBox);
             this.includeBox.Controls.Add(this.camerasBox);
-            this.includeBox.Controls.Add(this.animationBox);
+            this.includeBox.Controls.Add(this.exportDeformers);
             this.includeBox.Controls.Add(this.geometryBox);
-            this.includeBox.Location = new System.Drawing.Point(13, 13);
+            this.includeBox.Location = new System.Drawing.Point(12, 12);
             this.includeBox.Name = "includeBox";
-            this.includeBox.Size = new System.Drawing.Size(359, 262);
+            this.includeBox.Size = new System.Drawing.Size(360, 285);
             this.includeBox.TabIndex = 0;
             this.includeBox.TabStop = false;
             this.includeBox.Text = "Include";
             // 
+            // convertDummies
+            // 
+            this.convertDummies.AutoSize = true;
+            this.convertDummies.Location = new System.Drawing.Point(14, 178);
+            this.convertDummies.Name = "convertDummies";
+            this.convertDummies.Size = new System.Drawing.Size(205, 17);
+            this.convertDummies.TabIndex = 5;
+            this.convertDummies.Text = "Convert Deforming Dummies to Bones";
+            this.convertDummies.UseVisualStyleBackColor = true;
+            this.convertDummies.CheckedChanged += new System.EventHandler(this.exportOpnions_CheckedChanged);
+            // 
             // embedBox
             // 
             this.embedBox.AutoSize = true;
             this.embedBox.Enabled = false;
-            this.embedBox.Location = new System.Drawing.Point(14, 226);
+            this.embedBox.Location = new System.Drawing.Point(14, 249);
             this.embedBox.Name = "embedBox";
             this.embedBox.Size = new System.Drawing.Size(91, 17);
             this.embedBox.TabIndex = 4;
@@ -83,7 +96,7 @@
             // 
             this.lightsBox.AutoSize = true;
             this.lightsBox.Enabled = false;
-            this.lightsBox.Location = new System.Drawing.Point(14, 202);
+            this.lightsBox.Location = new System.Drawing.Point(14, 225);
             this.lightsBox.Name = "lightsBox";
             this.lightsBox.Size = new System.Drawing.Size(54, 17);
             this.lightsBox.TabIndex = 3;
@@ -94,23 +107,23 @@
             // 
             this.camerasBox.AutoSize = true;
             this.camerasBox.Enabled = false;
-            this.camerasBox.Location = new System.Drawing.Point(14, 178);
+            this.camerasBox.Location = new System.Drawing.Point(14, 201);
             this.camerasBox.Name = "camerasBox";
             this.camerasBox.Size = new System.Drawing.Size(67, 17);
             this.camerasBox.TabIndex = 2;
             this.camerasBox.Text = "Cameras";
             this.camerasBox.UseVisualStyleBackColor = true;
             // 
-            // animationBox
+            // exportDeformers
             // 
-            this.animationBox.AutoSize = true;
+            this.exportDeformers.AutoSize = true;
-            this.animationBox.Enabled = false;
+            this.exportDeformers.Location = new System.Drawing.Point(14, 154);
-            this.animationBox.Location = new System.Drawing.Point(14, 154);
+            this.exportDeformers.Name = "exportDeformers";
-            this.animationBox.Name = "animationBox";
+            this.exportDeformers.Size = new System.Drawing.Size(98, 17);
-            this.animationBox.Size = new System.Drawing.Size(72, 17);
+            this.exportDeformers.TabIndex = 1;
-            this.animationBox.TabIndex = 1;
+            this.exportDeformers.Text = "Skin Deformers";
-            this.animationBox.Text = "Animation";
+            this.exportDeformers.UseVisualStyleBackColor = true;
-            this.animationBox.UseVisualStyleBackColor = true;
+            this.exportDeformers.CheckedChanged += new System.EventHandler(this.exportDeformers_CheckedChanged);
             // 
             // geometryBox
             // 
@@ -155,7 +168,6 @@
             // exportTangents
             // 
             this.exportTangents.AutoSize = true;
-            this.exportTangents.Enabled = false;
             this.exportTangents.Location = new System.Drawing.Point(7, 44);
             this.exportTangents.Name = "exportTangents";
             this.exportTangents.Size = new System.Drawing.Size(71, 17);
@@ -184,7 +196,7 @@
             this.advancedBox.Controls.Add(this.upAxis);
             this.advancedBox.Controls.Add(this.scaleFactor);
             this.advancedBox.Controls.Add(this.scaleLabel);
-            this.advancedBox.Location = new System.Drawing.Point(12, 281);
+            this.advancedBox.Location = new System.Drawing.Point(12, 303);
             this.advancedBox.Name = "advancedBox";
             this.advancedBox.Size = new System.Drawing.Size(360, 80);
             this.advancedBox.TabIndex = 5;
@@ -240,7 +252,7 @@
             // 
             // fbxOKbutton
             // 
-            this.fbxOKbutton.Location = new System.Drawing.Point(216, 367);
+            this.fbxOKbutton.Location = new System.Drawing.Point(216, 389);
             this.fbxOKbutton.Name = "fbxOKbutton";
             this.fbxOKbutton.Size = new System.Drawing.Size(75, 23);
             this.fbxOKbutton.TabIndex = 6;
@@ -251,7 +263,7 @@
             // fbxCancel
             // 
             this.fbxCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
-            this.fbxCancel.Location = new System.Drawing.Point(297, 367);
+            this.fbxCancel.Location = new System.Drawing.Point(297, 389);
             this.fbxCancel.Name = "fbxCancel";
             this.fbxCancel.Size = new System.Drawing.Size(75, 23);
             this.fbxCancel.TabIndex = 7;
@@ -267,11 +279,11 @@
             // showExpOpt
             // 
             this.showExpOpt.AutoSize = true;
-            this.showExpOpt.Location = new System.Drawing.Point(12, 371);
+            this.showExpOpt.Location = new System.Drawing.Point(12, 393);
             this.showExpOpt.Name = "showExpOpt";
-            this.showExpOpt.Size = new System.Drawing.Size(127, 17);
+            this.showExpOpt.Size = new System.Drawing.Size(179, 17);
             this.showExpOpt.TabIndex = 8;
-            this.showExpOpt.Text = "Show for each export";
+            this.showExpOpt.Text = "Show this dialog for every export";
             this.showExpOpt.UseVisualStyleBackColor = true;
             // 
             // ExportOptions
@@ -280,7 +292,7 @@
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.CancelButton = this.fbxCancel;
-            this.ClientSize = new System.Drawing.Size(384, 401);
+            this.ClientSize = new System.Drawing.Size(384, 421);
             this.Controls.Add(this.showExpOpt);
             this.Controls.Add(this.fbxCancel);
             this.Controls.Add(this.fbxOKbutton);
@@ -315,7 +327,7 @@
         private System.Windows.Forms.CheckBox embedBox;
         private System.Windows.Forms.CheckBox lightsBox;
         private System.Windows.Forms.CheckBox camerasBox;
-        private System.Windows.Forms.CheckBox animationBox;
+        private System.Windows.Forms.CheckBox exportDeformers;
         private System.Windows.Forms.GroupBox geometryBox;
         private System.Windows.Forms.CheckBox exportColors;
         private System.Windows.Forms.CheckBox exportUVs;
@@ -327,5 +339,6 @@
         private System.Windows.Forms.Button fbxCancel;
         private System.Windows.Forms.SaveFileDialog saveFileDialog1;
         private System.Windows.Forms.CheckBox showExpOpt;
+        private System.Windows.Forms.CheckBox convertDummies;
     }
 }

Unity Studio/ExportOptions.cs

@@ -21,6 +21,9 @@ namespace Unity_Studio
             exportTangents.Checked = (bool)Properties.Settings.Default["exportTangents"];
             exportUVs.Checked = (bool)Properties.Settings.Default["exportUVs"];
             exportColors.Checked = (bool)Properties.Settings.Default["exportColors"];
+            exportDeformers.Checked = (bool)Properties.Settings.Default["exportDeformers"];
+            convertDummies.Checked = (bool)Properties.Settings.Default["convertDummies"];
+            convertDummies.Enabled = (bool)Properties.Settings.Default["exportDeformers"];
             scaleFactor.Value = (decimal)Properties.Settings.Default["scaleFactor"];
             upAxis.SelectedIndex = (int)Properties.Settings.Default["upAxis"];
             showExpOpt.Checked = (bool)Properties.Settings.Default["showExpOpt"];
@@ -38,6 +41,7 @@ namespace Unity_Studio
             Properties.Settings.Default["exportTangents"] = exportTangents.Checked;
             Properties.Settings.Default["exportUVs"] = exportUVs.Checked;
             Properties.Settings.Default["exportColors"] = exportColors.Checked;
+            Properties.Settings.Default["exportDeformers"] = exportDeformers.Checked;
             Properties.Settings.Default["scaleFactor"] = scaleFactor.Value;
             Properties.Settings.Default["upAxis"] = upAxis.SelectedIndex;
             this.DialogResult = DialogResult.OK;
@@ -49,5 +53,11 @@ namespace Unity_Studio
             this.DialogResult = DialogResult.Cancel;
             this.Close();
         }
+
+        private void exportDeformers_CheckedChanged(object sender, EventArgs e)
+        {
+            exportOpnions_CheckedChanged(sender, e);
+            convertDummies.Enabled = exportDeformers.Checked;
+        }
     }
 }

Unity Studio/Properties/Settings.Designer.cs

@@ -166,5 +166,29 @@ namespace Unity_Studio.Properties {
                 this["showExpOpt"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool exportDeformers {
+            get {
+                return ((bool)(this["exportDeformers"]));
+            }
+            set {
+                this["exportDeformers"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool convertDummies {
+            get {
+                return ((bool)(this["convertDummies"]));
+            }
+            set {
+                this["convertDummies"] = value;
+            }
+        }
     }
 }

Unity Studio/Properties/Settings.settings

@@ -38,5 +38,11 @@
     <Setting Name="showExpOpt" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="exportDeformers" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
+    <Setting Name="convertDummies" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

Unity Studio/Unity Classes/AudioClip.cs

@@ -9,8 +9,8 @@ namespace Unity_Studio
     class AudioClip
     {
         public string m_Name;
-        public int m_Format = 0;
+        public int m_Format;
-        public int m_Type;
+        public int m_Type = -1;
         public bool m_3D;
         public bool m_UseHardware;
 
@@ -25,14 +25,14 @@ namespace Unity_Studio
         public bool m_PreloadAudioData;
         public bool m_LoadInBackground;
         public bool m_Legacy3D;
-        public int m_CompressionFormat;
+        public int m_CompressionFormat = -1;
 
         public string m_Source;
         public long m_Offset;
         public long m_Size;
         public byte[] m_AudioData;
         
-        public string extension;
+        public string extension = "";
 
         public AudioClip(AssetPreloadData preloadData, bool readSwitch)
         {
@@ -73,8 +73,7 @@ namespace Unity_Studio
             }
             else
             {
-                m_LoadType = a_Stream.ReadInt32();
+                m_LoadType = a_Stream.ReadInt32();//Decompress on load, Compressed in memory, Streaming
-                m_Type = m_LoadType;
                 m_Channels = a_Stream.ReadInt32();
                 m_Frequency = a_Stream.ReadInt32();
                 m_BitsPerSample = a_Stream.ReadInt32();
@@ -97,17 +96,13 @@ namespace Unity_Studio
             }
 
             #region Info Text & extension
-            preloadData.InfoText = "Format: " + m_Format + "\nType: ";
+            preloadData.InfoText = "Compression format: ";
 
             switch (m_Type)
             {
-                case 1:
-                    extension = ".fsb";
-                    preloadData.InfoText += "FSB with substreams";
-                    break;
                 case 2:
-                    extension = ".fsb";
+                    extension = ".aif";
-                    preloadData.InfoText += "FSB";
+                    preloadData.InfoText += "AIFF";
                     break;
                 case 13:
                     extension = ".mp3";
@@ -125,11 +120,29 @@ namespace Unity_Studio
                     extension = ".wav";
                     preloadData.InfoText += "Xbox360 WAV";
                     break;
-                default:
+            }
-                    preloadData.InfoText += "Unknown type " + m_Type;
+
+            switch (m_CompressionFormat)
+            {
+                case 0:
+                    extension = ".fsb";
+                    preloadData.InfoText += "PCM";
+                    break;
+                case 1:
+                    extension = ".fsb";
+                    preloadData.InfoText += "Vorbis";
+                    break;
+                case 2:
+                    extension = ".fsb";
+                    preloadData.InfoText += "ADPCM";
+                    break;
+                case 3:
+                    extension = ".fsb";
+                    preloadData.InfoText += "MP3";//not sure
                     break;
             }
 
+            if (extension == "") { preloadData.InfoText += "Unknown"; }
             preloadData.InfoText += "\n3D: " + m_3D.ToString();
             #endregion
 

Unity Studio/Unity Classes/Mesh.cs

@@ -93,7 +93,7 @@ But since the -90 rotation from Unity is a regular type, it will show up in the
 Also, re-importing this FBX in Unity will now produce a (-90)+(-90)=-180 rotation.
 This is an unfortunate eyesore, but nothing more, the orientation will be fine.
 
-In theory, one could add +90 degrees rotation to GameObjects that link to Mesh assets (but not other types) and use a different conversion for vertex components.
+In theory, one could add +90 degrees rotation to GameObjects that link to Mesh assets (but not other types) to cancel out the Unity rotation.
 The problem is you can never know where the Unity mesh originated from. If it came from a left-handed format such as OBJ, there wouldn't have been any conversion and it wouldn't have that -90 degree adjustment.
 So it would "fix" meshes that were originally sourced form FBX, but would still have the "extra" rotation in mehses sourced from left-handed formats.
 */
@@ -107,10 +107,13 @@ namespace Unity_Studio
         public List<SubMesh> m_SubMeshes = new List<SubMesh>();
         public List<uint> m_Indices = new List<uint>(); //use a list because I don't always know the facecount for triangle strips
         public List<int> m_materialIDs = new List<int>();
-        public uint m_VertexCount;
+        private uint[] m_IndexBuffer;
         private ChannelInfo[] m_Channels;
         private StreamInfo[] m_Streams;
-        private uint[] m_IndexBuffer;
+        public List<BoneInfluence>[] m_Skin;
+        //public Dictionary<int, float>[] m_Skin;
+        public float[][,] m_BindPose;
+        public int m_VertexCount;
         public float[] m_Vertices;
         public float[] m_Normals;
         public float[] m_Colors;
@@ -130,6 +133,12 @@ namespace Unity_Studio
             public uint vertexCount;
         }
 
+        public class BoneInfluence
+        {
+            public float weight;
+            public int boneIndex;
+        }
+
         public class ChannelInfo
         {
             public byte stream;
@@ -150,7 +159,7 @@ namespace Unity_Studio
 
         public class PackedBitVector
         {
-            public uint m_NumItems;
+            public int m_NumItems;
             public float m_Range = 1.0f;
             public float m_Start = 0.0f;
             public byte[] m_Data;
@@ -362,6 +371,7 @@ namespace Unity_Studio
             }
             #endregion
 
+            #region subMeshes
             int m_SubMeshes_size = a_Stream.ReadInt32();
             for (int s = 0; s < m_SubMeshes_size; s++)
             {
@@ -380,52 +390,64 @@ namespace Unity_Studio
                     a_Stream.Position += 24; //Axis-Aligned Bounding Box
                 }
             }
-
+            #endregion
-            #region m_Shapes for 4.1.0 and later, excluding 4.1.0 alpha
+            
-            if (version [0] >= 5 || (version[0] == 4 && (version[1] > 1 || (version[1] == 1 && MeshPD.sourceFile.buildType[0] != "a"))))
+            #region BlendShapeData for 4.1.0 to 4.2.x, excluding 4.1.0 alpha
+            if (version[0] == 4 && ((version[1] == 1 && MeshPD.sourceFile.buildType[0] != "a") || 
+                                    (version[1] > 1 && version[1] <= 2)))
             {
-                if (version[0] == 4 && version[1] <= 2) //4.1.0f4 - 4.2.2f1
+                int m_Shapes_size = a_Stream.ReadInt32();
+                if (m_Shapes_size > 0)
                 {
-                    int m_Shapes_size = a_Stream.ReadInt32();
+                    bool stop = true;
-                    if (m_Shapes_size > 0)
-                    {
-                        bool stop = true;
-                    }
-                    for (int s = 0; s < m_Shapes_size; s++) //untested
-                    {
-                        string shape_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
-                        a_Stream.Position += 36; //uint firstVertex, vertexCount; Vector3f aabbMinDelta, aabbMaxDelta; bool hasNormals, hasTangents
-                    }
-
-                    int m_ShapeVertices_size = a_Stream.ReadInt32();
-                    a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
                 }
-                else //4.3.0 and later
+                for (int s = 0; s < m_Shapes_size; s++) //untested
                 {
-                    int m_ShapeVertices_size = a_Stream.ReadInt32();
+                    string shape_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
-                    a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
+                    a_Stream.Position += 36; //uint firstVertex, vertexCount; Vector3f aabbMinDelta, aabbMaxDelta; bool hasNormals, hasTangents
-
-                    int shapes_size = a_Stream.ReadInt32();
-                    a_Stream.Position += shapes_size * 12; //uint firstVertex, vertexCount; bool hasNormals, hasTangents
-
-                    int channels_size = a_Stream.ReadInt32();
-                    for (int c = 0; c < channels_size; c++)
-                    {
-                        string channel_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
-                        a_Stream.Position += 12; //uint nameHash; int frameIndex, frameCount
-                    }
-
-                    int fullWeights_size = a_Stream.ReadInt32();
-                    a_Stream.Position += fullWeights_size * 4; //floats
-
-                    int m_BindPose_size = a_Stream.ReadInt32();
-                    a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
-
-                    int m_BoneNameHashes_size = a_Stream.ReadInt32();
-                    a_Stream.Position += m_BoneNameHashes_size * 4; //uints
-
-                    uint m_RootBoneNameHash = a_Stream.ReadUInt32();
                 }
+
+                int m_ShapeVertices_size = a_Stream.ReadInt32();
+                a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
+            }
+            #endregion
+            #region BlendShapeData and BindPose for 4.3.0 and later
+            else if (version[0] >= 5 || (version[0] == 4 && version[1] >= 3))
+            {
+                int m_ShapeVertices_size = a_Stream.ReadInt32();
+                if (m_ShapeVertices_size > 0)
+                {
+                    bool stop = true;
+                }
+                a_Stream.Position += m_ShapeVertices_size * 40; //vertex positions, normals, tangents & uint index
+
+                int shapes_size = a_Stream.ReadInt32();
+                a_Stream.Position += shapes_size * 12; //uint firstVertex, vertexCount; bool hasNormals, hasTangents
+
+                int channels_size = a_Stream.ReadInt32();
+                for (int c = 0; c < channels_size; c++)
+                {
+                    string channel_name = a_Stream.ReadAlignedString(a_Stream.ReadInt32());
+                    a_Stream.Position += 12; //uint nameHash; int frameIndex, frameCount
+                }
+
+                int fullWeights_size = a_Stream.ReadInt32();
+                a_Stream.Position += fullWeights_size * 4; //floats
+
+                m_BindPose = new float[a_Stream.ReadInt32()][,];
+                for (int i = 0; i < m_BindPose.Length; i++)
+                {
+                    m_BindPose[i] = new float[4,4] {
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
+                }
+
+                int m_BoneNameHashes_size = a_Stream.ReadInt32();
+                a_Stream.Position += m_BoneNameHashes_size * 4; //uints
+
+                uint m_RootBoneNameHash = a_Stream.ReadUInt32();
             }
             #endregion
 
@@ -454,7 +476,7 @@ namespace Unity_Studio
                 {
                     m_IndexBuffer = new uint[m_IndexBuffer_size / 4];
                     for (int i = 0; i < m_IndexBuffer_size / 4; i++) { m_IndexBuffer[i] = a_Stream.ReadUInt32(); }
-                    //align??
+                    a_Stream.AlignStream(4);//untested
                 }
             }
             #endregion
@@ -462,15 +484,36 @@ namespace Unity_Studio
             #region Vertex Buffer for 3.4.2 and earlier
             if (version[0] < 3 || (version[0] == 3 && version[1] < 5))
             {
-                m_VertexCount = a_Stream.ReadUInt32();
+                m_VertexCount = a_Stream.ReadInt32();
                 m_Vertices = new float[m_VertexCount * 3];
                 for (int v = 0; v < m_VertexCount * 3; v++) { m_Vertices[v] = a_Stream.ReadSingle(); }
 
-                int m_Skin_size = a_Stream.ReadInt32();
+                m_Skin = new List<BoneInfluence>[a_Stream.ReadInt32()];
-                a_Stream.Position += m_Skin_size * 32; //4x float weights & 4x int boneIndices
+                //m_Skin = new Dictionary<int, float>[a_Stream.ReadInt32()];
+                for (int s = 0; s < m_Skin.Length; s++)
+                {
+                    m_Skin[s] = new List<BoneInfluence>();
+                    for (int i = 0; i < 4; i++) { m_Skin[s].Add(new BoneInfluence() { weight = a_Stream.ReadSingle() }); }
+                    for (int i = 0; i < 4; i++) { m_Skin[s][i].boneIndex = a_Stream.ReadInt32(); }
 
-                int m_BindPose_size = a_Stream.ReadInt32();
+                    /*m_Skin[s] = new Dictionary<int, float>();
-                a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
+                    float[] weights = new float[4] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                    for (int i = 0; i < 4; i++)
+                    {
+                        int boneIndex = a_Stream.ReadInt32();
+                        m_Skin[s][boneIndex] = weights[i];
+                    }*/
+                }
+
+                m_BindPose = new float[a_Stream.ReadInt32()][,];
+                for (int i = 0; i < m_BindPose.Length; i++)
+                {
+                    m_BindPose[i] = new float[4, 4] {
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
+                }
 
                 int m_UV1_size = a_Stream.ReadInt32();
                 m_UV1 = new float[m_UV1_size * 2];
@@ -507,19 +550,41 @@ namespace Unity_Studio
             else
             {
                 #region read vertex stream
-                int m_Skin_size = a_Stream.ReadInt32();
+                m_Skin = new List<BoneInfluence>[a_Stream.ReadInt32()];
-                a_Stream.Position += m_Skin_size * 32; //4x float weights & 4x int boneIndices
+                //m_Skin = new Dictionary<int, float>[a_Stream.ReadInt32()];
-
+                for (int s = 0; s < m_Skin.Length; s++)
-                if (version[0] <= 3 || (version[0] == 4 && version[1] <= 2))
                 {
-                    int m_BindPose_size = a_Stream.ReadInt32();
+                    m_Skin[s] = new List<BoneInfluence>();
-                    a_Stream.Position += m_BindPose_size * 16 * 4; //matrix 4x4
+                    for (int i = 0; i < 4; i++) { m_Skin[s].Add(new BoneInfluence() { weight = a_Stream.ReadSingle() }); }
+                    for (int i = 0; i < 4; i++) { m_Skin[s][i].boneIndex = a_Stream.ReadInt32(); }
+
+                    /*m_Skin[s] = new Dictionary<int, float>();
+                    float[] weights = new float[4] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                    for (int i = 0; i < 4; i++)
+                    {
+                        int boneIndex = a_Stream.ReadInt32();
+                        m_Skin[s][boneIndex] = weights[i];
+                    }*/
                 }
 
-                int m_CurrentChannels = a_Stream.ReadInt32();//defined as uint in Unity
-                m_VertexCount = a_Stream.ReadUInt32();
 
-                #region 3.5.0 - 3.5.7
+                if (version[0] == 3 || (version[0] == 4 && version[1] <= 2))
+                {
+                    m_BindPose = new float[a_Stream.ReadInt32()][,];
+                    for (int i = 0; i < m_BindPose.Length; i++)
+                    {
+                        m_BindPose[i] = new float[4, 4] {
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() },
+                        { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() } };
+                    }
+                }
+
+                BitArray m_CurrentChannels = new BitArray(new int[1] { a_Stream.ReadInt32() });
+                m_VertexCount = a_Stream.ReadInt32();
+
+                #region streams for 3.5.0 - 3.5.7
                 if (version[0] < 4)
                 {
                     if (m_MeshCompression != 0 && version[2] == 0) //special case not just on platform 9
@@ -540,10 +605,11 @@ namespace Unity_Studio
                     }
                 }
                 #endregion
-                #region 4.0.0 and later
+                #region channels and streams for 4.0.0 and later
                 else
                 {
-                    int singleStreamStride = 0;//used tor unity 5
+                    //int singleStreamStride = 0;//used tor unity 5
+                    int streamCount = 0;
 
                     m_Channels = new ChannelInfo[a_Stream.ReadInt32()];
                     for (int c = 0; c < m_Channels.Length; c++)
@@ -555,7 +621,9 @@ namespace Unity_Studio
                         m_Channels[c].dimension = a_Stream.ReadByte();
 
                         //calculate stride for Unity 5
-                        singleStreamStride += m_Channels[c].dimension * (4 / (int)Math.Pow(2, m_Channels[c].format));
+                        //singleStreamStride += m_Channels[c].dimension * (4 / (int)Math.Pow(2, m_Channels[c].format));
+
+                        if (m_Channels[c].stream >= streamCount) { streamCount = m_Channels[c].stream + 1; }
                     }
 
                     if (version[0] < 5)
@@ -571,13 +639,21 @@ namespace Unity_Studio
                             m_Streams[s].frequency = a_Stream.ReadUInt16();
                         }
                     }
-                    else //it's just easier to create my own stream here
+                    else //create streams
                     {
-                        m_Streams = new StreamInfo[1];
+                        m_Streams = new StreamInfo[streamCount];
-                        m_Streams[0] = new StreamInfo();
+                        for (int s = 0; s < streamCount; s++)
-                        m_Streams[0].channelMask = new BitArray(new int[1] { m_CurrentChannels });
+                        {
-                        m_Streams[0].offset = 0;
+                            m_Streams[s] = new StreamInfo();
-                        m_Streams[0].stride = singleStreamStride;
+                            m_Streams[s].channelMask = new BitArray(new int[1] { 0 });
+                            m_Streams[s].offset = 0;
+                            if (s > 0) { m_Streams[s].offset = m_Streams[s - 1].offset + m_Streams[s - 1].stride * m_VertexCount; }
+                            m_Streams[s].stride = 0;
+                            foreach (var m_Channel in m_Channels)
+                            {
+                                if (m_Channel.stream == s) { m_Streams[s].stride += m_Channel.dimension * (4 / (int)Math.Pow(2, m_Channel.format)); }
+                            }
+                        }
                     }
                 }
                 #endregion
@@ -588,15 +664,15 @@ namespace Unity_Studio
                 #endregion
 
                 #region compute FvF
-                int valueBufferSize = 0;
+                int componentByteSize = 0;
-                byte[] valueBuffer;
+                byte[] componentBytes;
-                float[] dstArray;
+                float[] componentsArray;
 
+                #region 4.0.0 and later
                 if (m_Channels != null)
                 {
                     //it is better to loop channels instead of streams
                     //because channels are likely to be sorted by vertex property
-                    #region 4.0.0 and later
                     foreach (var m_Channel in m_Channels)
                     {
                         if (m_Channel.dimension > 0)
@@ -605,12 +681,13 @@ namespace Unity_Studio
 
                             for (int b = 0; b < 8; b++)
                             {
-                                if (m_Stream.channelMask.Get(b))
+                                //in the future, try to use only m_CurrentChannels
+                                if ((version[0] < 5 && m_Stream.channelMask.Get(b)) || (version[0] >= 5 && m_CurrentChannels.Get(b)))
                                 {
                                     // in Unity 4.x the colors channel has 1 dimension, as in 1 color with 4 components
                                     if (b == 2 && m_Channel.format == 2) { m_Channel.dimension = 4; }
 
-                                    valueBufferSize = 4 / (int)Math.Pow(2, m_Channel.format);
+                                    componentByteSize = 4 / (int)Math.Pow(2, m_Channel.format);
 
                                     /*switch (m_Channel.format)
                                     {
@@ -626,51 +703,39 @@ namespace Unity_Studio
                                             break;
                                     }*/
 
-                                    valueBuffer = new byte[valueBufferSize];
+                                    componentBytes = new byte[componentByteSize];
-                                    dstArray = new float[m_VertexCount * m_Channel.dimension];
+                                    componentsArray = new float[m_VertexCount * m_Channel.dimension];
 
                                     for (int v = 0; v < m_VertexCount; v++)
                                     {
+                                        int vertexOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v;
                                         for (int d = 0; d < m_Channel.dimension; d++)
                                         {
-                                            int m_DataSizeOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v + valueBufferSize * d;
+                                            int componentOffset = vertexOffset + componentByteSize * d;
-                                            Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, valueBuffer, 0, valueBufferSize);
+                                            Buffer.BlockCopy(m_DataSize, componentOffset, componentBytes, 0, componentByteSize);
-                                            dstArray[v * m_Channel.dimension + d] = bytesToFloat(valueBuffer);
+                                            componentsArray[v * m_Channel.dimension + d] = bytesToFloat(componentBytes);
                                         }
                                     }
 
                                     switch (b)
                                     {
-                                        case 0:
+                                        case 0: m_Vertices = componentsArray; break;
-                                            m_Vertices = dstArray;
+                                        case 1: m_Normals = componentsArray; break;
-                                            break;
+                                        case 2: m_Colors = componentsArray; break;
-                                        case 1:
+                                        case 3: m_UV1 = componentsArray; break;
-                                            m_Normals = dstArray;
+                                        case 4: m_UV2 = componentsArray; break;
-                                            break;
-                                        case 2:
-                                            m_Colors = dstArray;
-                                            break;
-                                        case 3:
-                                            m_UV1 = dstArray;
-                                            break;
-                                        case 4:
-                                            m_UV2 = dstArray;
-                                            break;
                                         case 5:
-                                            if (version[0] == 5) { m_UV3 = dstArray; }
+                                            if (version[0] == 5) { m_UV3 = componentsArray; }
-                                            else { m_Tangents = dstArray; }
+                                            else { m_Tangents = componentsArray; }
-                                            break;
-                                        case 6:
-                                            m_UV4 = dstArray;
-                                            break;
-                                        case 7:
-                                            m_Tangents = dstArray;
                                             break;
+                                        case 6: m_UV4 = componentsArray; break;
+                                        case 7: m_Tangents = componentsArray; break;
                                     }
 
-                                    m_Stream.channelMask.Set(b, false); //is this needed?
+                                    m_Stream.channelMask.Set(b, false);
-                                    valueBuffer = null;
+                                    m_CurrentChannels.Set(b, false);
-                                    dstArray = null;
+                                    componentBytes = null;
+                                    componentsArray = null;
                                     break; //go to next channel
                                 }
                             }
@@ -697,63 +762,52 @@ namespace Unity_Studio
                                 {
                                     case 0:
                                     case 1:
-                                        valueBufferSize = 4;
+                                        componentByteSize = 4;
                                         m_Channel.dimension = 3;
                                         break;
                                     case 2:
-                                        valueBufferSize = 1;
+                                        componentByteSize = 1;
                                         m_Channel.dimension = 4;
                                         break;
                                     case 3:
                                     case 4:
-                                        valueBufferSize = 4;
+                                        componentByteSize = 4;
                                         m_Channel.dimension = 2;
                                         break;
                                     case 5:
-                                        valueBufferSize = 4;
+                                        componentByteSize = 4;
                                         m_Channel.dimension = 4;
                                         break;
                                 }
 
-                                valueBuffer = new byte[valueBufferSize];
+                                componentBytes = new byte[componentByteSize];
-                                dstArray = new float[m_VertexCount * m_Channel.dimension];
+                                componentsArray = new float[m_VertexCount * m_Channel.dimension];
 
                                 for (int v = 0; v < m_VertexCount; v++)
                                 {
+                                    int vertexOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v;
                                     for (int d = 0; d < m_Channel.dimension; d++)
                                     {
-                                        int m_DataSizeOffset = m_Stream.offset + m_Channel.offset + m_Stream.stride * v + valueBufferSize * d;
+                                        int m_DataSizeOffset = vertexOffset + componentByteSize * d;
-                                        Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, valueBuffer, 0, valueBufferSize);
+                                        Buffer.BlockCopy(m_DataSize, m_DataSizeOffset, componentBytes, 0, componentByteSize);
-                                        dstArray[v * m_Channel.dimension + d] = bytesToFloat(valueBuffer);
+                                        componentsArray[v * m_Channel.dimension + d] = bytesToFloat(componentBytes);
                                     }
                                 }
 
                                 switch (b)
                                 {
-                                    case 0:
+                                    case 0: m_Vertices = componentsArray; break;
-                                        m_Vertices = dstArray;
+                                    case 1: m_Normals = componentsArray; break;
-                                        break;
+                                    case 2: m_Colors = componentsArray; break;
-                                    case 1:
+                                    case 3: m_UV1 = componentsArray; break;
-                                        m_Normals = dstArray;
+                                    case 4: m_UV2 = componentsArray; break;
-                                        break;
+                                    case 5: m_Tangents = componentsArray; break;
-                                    case 2:
-                                        m_Colors = dstArray;
-                                        break;
-                                    case 3:
-                                        m_UV1 = dstArray;
-                                        break;
-                                    case 4:
-                                        m_UV2 = dstArray;
-                                        break;
-                                    case 5:
-                                        m_Tangents = dstArray;
-                                        break;
                                 }
 
-                                m_Channel.offset += (byte)(m_Channel.dimension * valueBufferSize); //strides larger than 255 are unlikely
+                                m_Channel.offset += (byte)(m_Channel.dimension * componentByteSize); //safe to cast as byte because strides larger than 255 are unlikely
-                                m_Stream.channelMask.Set(b, false); //is this needed?
+                                m_Stream.channelMask.Set(b, false);
-                                valueBuffer = null;
+                                componentBytes = null;
-                                dstArray = null;
+                                componentsArray = null;
                             }
                         }
                     }
@@ -767,8 +821,10 @@ namespace Unity_Studio
             if (version[0] >= 3 || (version[0] == 2 && version[1] >= 6))
             {
                 //remember there can be combinations of packed and regular vertex properties
+
+                #region m_Vertices
                 PackedBitVector m_Vertices_Packed = new PackedBitVector();
-                m_Vertices_Packed.m_NumItems = a_Stream.ReadUInt32();
+                m_Vertices_Packed.m_NumItems = a_Stream.ReadInt32();
                 m_Vertices_Packed.m_Range = a_Stream.ReadSingle();
                 m_Vertices_Packed.m_Start = a_Stream.ReadSingle();
                 m_Vertices_Packed.m_Data = new byte[a_Stream.ReadInt32()];
@@ -786,12 +842,14 @@ namespace Unity_Studio
                     m_Vertices = new float[m_Vertices_Packed.m_NumItems];
                     for (int v = 0; v < m_Vertices_Packed.m_NumItems; v++)
                     {
-                        m_Vertices[v] = (float)m_Vertices_Unpacked[v] / bitmax * m_Vertices_Packed.m_Range + m_Vertices_Packed.m_Start;
+                        m_Vertices[v] = (float)((double)m_Vertices_Unpacked[v] / bitmax) * m_Vertices_Packed.m_Range + m_Vertices_Packed.m_Start;
                     }
                 }
+                #endregion
 
-                PackedBitVector m_UV_Packed = new PackedBitVector(); //contains both channels
+                #region m_UV
-                m_UV_Packed.m_NumItems = a_Stream.ReadUInt32();
+                PackedBitVector m_UV_Packed = new PackedBitVector(); //contains all channels
+                m_UV_Packed.m_NumItems = a_Stream.ReadInt32();
                 m_UV_Packed.m_Range = a_Stream.ReadSingle();
                 m_UV_Packed.m_Start = a_Stream.ReadSingle();
                 m_UV_Packed.m_Data = new byte[a_Stream.ReadInt32()];
@@ -800,7 +858,7 @@ namespace Unity_Studio
                 m_UV_Packed.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
 
-                if (m_UV_Packed.m_NumItems > 0)
+                if (m_UV_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportUVs"])
                 {
                     uint[] m_UV_Unpacked = UnpackBitVector(m_UV_Packed);
                     int bitmax = 0;
@@ -810,7 +868,7 @@ namespace Unity_Studio
                     
                     for (int v = 0; v < m_VertexCount * 2; v++)
                     {
-                        m_UV1[v] = (float)m_UV_Unpacked[v] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
+                        m_UV1[v] = (float)((double)m_UV_Unpacked[v] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
                     }
 
                     if (m_UV_Packed.m_NumItems >= m_VertexCount * 4)
@@ -818,7 +876,7 @@ namespace Unity_Studio
                         m_UV2 = new float[m_VertexCount * 2];
                         for (uint v = 0; v < m_VertexCount * 2; v++)
                         {
-                            m_UV2[v] = (float)m_UV_Unpacked[v + m_VertexCount * 2] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
+                            m_UV2[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 2] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
                         }
 
                         if (m_UV_Packed.m_NumItems >= m_VertexCount * 6)
@@ -826,7 +884,7 @@ namespace Unity_Studio
                             m_UV3 = new float[m_VertexCount * 2];
                             for (uint v = 0; v < m_VertexCount * 2; v++)
                             {
-                                m_UV3[v] = (float)m_UV_Unpacked[v + m_VertexCount * 4] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
+                                m_UV3[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 4] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
                             }
 
                             if (m_UV_Packed.m_NumItems == m_VertexCount * 8)
@@ -834,17 +892,19 @@ namespace Unity_Studio
                                 m_UV4 = new float[m_VertexCount * 2];
                                 for (uint v = 0; v < m_VertexCount * 2; v++)
                                 {
-                                    m_UV4[v] = (float)m_UV_Unpacked[v + m_VertexCount * 6] / bitmax * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
+                                    m_UV4[v] = (float)((double)m_UV_Unpacked[v + m_VertexCount * 6] / bitmax) * m_UV_Packed.m_Range + m_UV_Packed.m_Start;
                                 }
                             }
                         }
                     }
                 }
+                #endregion
 
+                #region m_BindPose
                 if (version[0] < 5)
                 {
                     PackedBitVector m_BindPoses_Packed = new PackedBitVector();
-                    m_BindPoses_Packed.m_NumItems = a_Stream.ReadUInt32();
+                    m_BindPoses_Packed.m_NumItems = a_Stream.ReadInt32();
                     m_BindPoses_Packed.m_Range = a_Stream.ReadSingle();
                     m_BindPoses_Packed.m_Start = a_Stream.ReadSingle();
                     m_BindPoses_Packed.m_Data = new byte[a_Stream.ReadInt32()];
@@ -852,10 +912,32 @@ namespace Unity_Studio
                     a_Stream.AlignStream(4);
                     m_BindPoses_Packed.m_BitSize = a_Stream.ReadByte();
                     a_Stream.Position += 3; //4 byte alignment
+
+                    if (m_BindPoses_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportDeformers"])
+                    {
+                        uint[] m_BindPoses_Unpacked = UnpackBitVector(m_BindPoses_Packed);
+                        int bitmax = 0;//used to convert int value to float
+                        for (int b = 0; b < m_BindPoses_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
+                        
+                        m_BindPose = new float[m_BindPoses_Packed.m_NumItems / 16][,];
+
+                        for (int i = 0; i < m_BindPose.Length; i++)
+                        {
+                            m_BindPose[i] = new float[4, 4];
+                            for (int j = 0; j < 4; j++)
+                            {
+                                for (int k = 0; k < 4; k++)
+                                {
+                                    m_BindPose[i][j,k] = (float)((double)m_BindPoses_Unpacked[i * 16 + j * 4 + k] / bitmax) * m_BindPoses_Packed.m_Range + m_BindPoses_Packed.m_Start;
+                                }
+                            }
+                        }
+                    }
                 }
+                #endregion
 
                 PackedBitVector m_Normals_Packed = new PackedBitVector();
-                m_Normals_Packed.m_NumItems = a_Stream.ReadUInt32();
+                m_Normals_Packed.m_NumItems = a_Stream.ReadInt32();
                 m_Normals_Packed.m_Range = a_Stream.ReadSingle();
                 m_Normals_Packed.m_Start = a_Stream.ReadSingle();
                 m_Normals_Packed.m_Data = new byte[a_Stream.ReadInt32()];
@@ -865,7 +947,7 @@ namespace Unity_Studio
                 a_Stream.Position += 3; //4 byte alignment
 
                 PackedBitVector m_Tangents_Packed = new PackedBitVector();
-                m_Tangents_Packed.m_NumItems = a_Stream.ReadUInt32();
+                m_Tangents_Packed.m_NumItems = a_Stream.ReadInt32();
                 m_Tangents_Packed.m_Range = a_Stream.ReadSingle();
                 m_Tangents_Packed.m_Start = a_Stream.ReadSingle();
                 m_Tangents_Packed.m_Data = new byte[a_Stream.ReadInt32()];
@@ -874,23 +956,24 @@ namespace Unity_Studio
                 m_Tangents_Packed.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
 
-                PackedBitVector m_Weights_Packed = new PackedBitVector();
+                PackedBitVector m_Weights = new PackedBitVector();
-                m_Weights_Packed.m_NumItems = a_Stream.ReadUInt32();
+                m_Weights.m_NumItems = a_Stream.ReadInt32();
-                m_Weights_Packed.m_Data = new byte[a_Stream.ReadInt32()];
+                m_Weights.m_Data = new byte[a_Stream.ReadInt32()];
-                a_Stream.Read(m_Weights_Packed.m_Data, 0, m_Weights_Packed.m_Data.Length);
+                a_Stream.Read(m_Weights.m_Data, 0, m_Weights.m_Data.Length);
                 a_Stream.AlignStream(4);
-                m_Weights_Packed.m_BitSize = a_Stream.ReadByte();
+                m_Weights.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
 
+                #region m_Normals
                 PackedBitVector m_NormalSigns_packed = new PackedBitVector();
-                m_NormalSigns_packed.m_NumItems = a_Stream.ReadUInt32();
+                m_NormalSigns_packed.m_NumItems = a_Stream.ReadInt32();
                 m_NormalSigns_packed.m_Data = new byte[a_Stream.ReadInt32()];
                 a_Stream.Read(m_NormalSigns_packed.m_Data, 0, m_NormalSigns_packed.m_Data.Length);
                 a_Stream.AlignStream(4);
                 m_NormalSigns_packed.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
 
-                if (m_Normals_Packed.m_NumItems > 0)
+                if (m_Normals_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportNormals"])
                 {
                     uint[] m_Normals_Unpacked = UnpackBitVector(m_Normals_Packed);
                     uint[] m_NormalSigns = UnpackBitVector(m_NormalSigns_packed);
@@ -905,19 +988,39 @@ namespace Unity_Studio
                         if (m_NormalSigns[v] == 0) { m_Normals[v * 3 + 2] *= -1; }
                     }
                 }
+                #endregion
 
-                PackedBitVector m_TangentSigns = new PackedBitVector();
+                #region m_Tangents
-                m_TangentSigns.m_NumItems = a_Stream.ReadUInt32();
+                PackedBitVector m_TangentSigns_packed = new PackedBitVector();
-                m_TangentSigns.m_Data = new byte[a_Stream.ReadInt32()];
+                m_TangentSigns_packed.m_NumItems = a_Stream.ReadInt32();
-                a_Stream.Read(m_TangentSigns.m_Data, 0, m_TangentSigns.m_Data.Length);
+                m_TangentSigns_packed.m_Data = new byte[a_Stream.ReadInt32()];
+                a_Stream.Read(m_TangentSigns_packed.m_Data, 0, m_TangentSigns_packed.m_Data.Length);
                 a_Stream.AlignStream(4);
-                m_TangentSigns.m_BitSize = a_Stream.ReadByte();
+                m_TangentSigns_packed.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
+                
+                if (m_Tangents_Packed.m_NumItems > 0 && (bool)Properties.Settings.Default["exportTangents"])
+                {
+                    uint[] m_Tangents_Unpacked = UnpackBitVector(m_Tangents_Packed);
+                    uint[] m_TangentSigns = UnpackBitVector(m_TangentSigns_packed);
+                    int bitmax = 0;
+                    for (int b = 0; b < m_Tangents_Packed.m_BitSize; b++) { bitmax |= (1 << b); }
+                    m_Tangents = new float[m_Tangents_Packed.m_NumItems / 2 * 3];
+                    for (int v = 0; v < m_Tangents_Packed.m_NumItems / 2; v++)
+                    {
+                        m_Tangents[v * 3] = (float)((double)m_Tangents_Unpacked[v * 2] / bitmax) * m_Tangents_Packed.m_Range + m_Tangents_Packed.m_Start;
+                        m_Tangents[v * 3 + 1] = (float)((double)m_Tangents_Unpacked[v * 2 + 1] / bitmax) * m_Tangents_Packed.m_Range + m_Tangents_Packed.m_Start;
+                        m_Tangents[v * 3 + 2] = (float)Math.Sqrt(1 - m_Tangents[v * 3] * m_Tangents[v * 3] - m_Tangents[v * 3 + 1] * m_Tangents[v * 3 + 1]);
+                        if (m_TangentSigns[v] == 0) { m_Tangents[v * 3 + 2] *= -1; }
+                    }
+                }
+                #endregion
 
+                #region m_FloatColors
                 if (version[0] >= 5)
                 {
                     PackedBitVector m_FloatColors = new PackedBitVector();
-                    m_FloatColors.m_NumItems = a_Stream.ReadUInt32();
+                    m_FloatColors.m_NumItems = a_Stream.ReadInt32();
                     m_FloatColors.m_Range = a_Stream.ReadSingle();
                     m_FloatColors.m_Start = a_Stream.ReadSingle();
                     m_FloatColors.m_Data = new byte[a_Stream.ReadInt32()];
@@ -926,7 +1029,7 @@ namespace Unity_Studio
                     m_FloatColors.m_BitSize = a_Stream.ReadByte();
                     a_Stream.Position += 3; //4 byte alignment
 
-                    if (m_FloatColors.m_NumItems > 0)
+                    if (m_FloatColors.m_NumItems > 0 && (bool)Properties.Settings.Default["exportColors"])
                     {
                         uint[] m_FloatColors_Unpacked = UnpackBitVector(m_FloatColors);
                         int bitmax = 0;
@@ -940,17 +1043,41 @@ namespace Unity_Studio
                         }
                     }
                 }
+                #endregion
 
+                #region m_Skin
                 PackedBitVector m_BoneIndices = new PackedBitVector();
-                m_BoneIndices.m_NumItems = a_Stream.ReadUInt32();
+                m_BoneIndices.m_NumItems = a_Stream.ReadInt32();
                 m_BoneIndices.m_Data = new byte[a_Stream.ReadInt32()];
                 a_Stream.Read(m_BoneIndices.m_Data, 0, m_BoneIndices.m_Data.Length);
                 a_Stream.AlignStream(4);
                 m_BoneIndices.m_BitSize = a_Stream.ReadByte();
                 a_Stream.Position += 3; //4 byte alignment
 
+                //how the hell does this work??
+                if (m_BoneIndices.m_NumItems > 0 && m_BoneIndices.m_NumItems == m_Weights.m_NumItems && (bool)Properties.Settings.Default["exportDeformers"])
+                {
+                    uint[] m_Weights_Unpacked = UnpackBitVector(m_Weights);
+                    int bitmax = 0;
+                    for (int b = 0; b < m_Weights.m_BitSize; b++) { bitmax |= (1 << b); }
+
+                    uint[] m_BoneIndices_Unpacked = UnpackBitVector(m_BoneIndices);
+
+                    m_Skin = new List<BoneInfluence>[m_BoneIndices.m_NumItems / 4];
+                    for (int s = 0; s < m_Skin.Length; s++)
+                    {
+                        m_Skin[s] = new List<BoneInfluence>();
+                        for (int i = 0; i < 4; i++)
+                        {
+                            m_Skin[s].Add(new BoneInfluence() { weight = (float)((double)m_Weights_Unpacked[s * 4 + i] / bitmax),
+                                                                boneIndex = (int)m_BoneIndices_Unpacked[s * 4 + i] });
+                        }
+                    }
+                }
+                #endregion
+
                 PackedBitVector m_Triangles = new PackedBitVector();
-                m_Triangles.m_NumItems = a_Stream.ReadUInt32();
+                m_Triangles.m_NumItems = a_Stream.ReadInt32();
                 m_Triangles.m_Data = new byte[a_Stream.ReadInt32()];
                 a_Stream.Read(m_Triangles.m_Data, 0, m_Triangles.m_Data.Length);
                 a_Stream.AlignStream(4);
@@ -980,7 +1107,7 @@ namespace Unity_Studio
                 if (version[0] < 5)
                 {
                     PackedBitVector m_Colors_Packed = new PackedBitVector();
-                    m_Colors_Packed.m_NumItems = a_Stream.ReadUInt32();
+                    m_Colors_Packed.m_NumItems = a_Stream.ReadInt32();
                     m_Colors_Packed.m_Data = new byte[a_Stream.ReadInt32()];
                     a_Stream.Read(m_Colors_Packed.m_Data, 0, m_Colors_Packed.m_Data.Length);
                     a_Stream.AlignStream(4);
@@ -1011,6 +1138,7 @@ namespace Unity_Studio
                         }
                     }
                 }
+                else { uint m_UVInfo = a_Stream.ReadUInt32(); }
 
                 a_Stream.Position += 24; //Axis-Aligned Bounding Box
             }

Unity Studio/Unity Classes/SkinnedMeshRenderer.cs

@@ -15,6 +15,7 @@ namespace Unity_Studio
         public ushort m_LightmapIndexDynamic;
         public PPtr[] m_Materials;
         public PPtr m_Mesh;
+        public PPtr[] m_Bones;
 
         public SkinnedMeshRenderer(AssetPreloadData preloadData)
         {
@@ -98,28 +99,38 @@ namespace Unity_Studio
 
             m_Mesh = sourceFile.ReadPPtr();
 
-            /*int m_Bones_size = a_Stream.ReadInt32();
+            m_Bones = new PPtr[a_Stream.ReadInt32()];
-            for (int b = 0; b < m_Bones_size; b++)
+            for (int b = 0; b < m_Bones.Length; b++)
             {
-                PPtr aBone = sourceFile.ReadPPtr();
+                m_Bones[b] = sourceFile.ReadPPtr();
             }
 
             if (version[0] < 3)
             {
-                int m_BindPose_size = a_Stream.ReadInt32();
+                int m_BindPose = a_Stream.ReadInt32();
-                a_Stream.Position += m_BindPose_size * 16 * 4;//Matrix4x4f
+                a_Stream.Position += m_BindPose * 16 * 4;//Matrix4x4f
             }
-            else if (version[0] >= 3 && version[1] >= 4)
+            else
             {
-                if (version[1] >= 5)
+                if (version[0] >= 4 || (version[0] == 4 && version[1] >= 3))
+                {
+                    int m_BlendShapeWeights = a_Stream.ReadInt32();
+                    a_Stream.Position += m_BlendShapeWeights * 4; //floats
+                }
+
+                if (version[0] >= 4 || (version[0] >= 3 && version[1] >= 5))
                 {
                     PPtr m_RootBone = sourceFile.ReadPPtr();
                 }
-                //AABB
+
-                float[] m_Center = new float[] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                if (version[0] >= 4 || (version[0] == 3 && version[1] >= 4))
-                float[] m_Extent = new float[] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                {
-                bool m_DirtyAABB = a_Stream.ReadBoolean();
+                    //AABB
-            }*/
+                    float[] m_Center = new float[] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                    float[] m_Extent = new float[] { a_Stream.ReadSingle(), a_Stream.ReadSingle(), a_Stream.ReadSingle() };
+                    bool m_DirtyAABB = a_Stream.ReadBoolean();
+                }
+            }
         }
     }
 }

Unity Studio/Unity Studio.csproj

@@ -50,7 +50,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <PropertyGroup>
-    <ApplicationIcon>unity.ico</ApplicationIcon>
+    <ApplicationIcon>Resources\unity.ico</ApplicationIcon>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -128,37 +128,37 @@
       <DependentUpon>AboutBox.cs</DependentUpon>
     </Compile>
     <Compile Include="AssetPreloadData.cs" />
-    <Compile Include="AudioClip.cs" />
+    <Compile Include="Unity Classes\AudioClip.cs" />
-    <Compile Include="BuildSettings.cs" />
+    <Compile Include="Unity Classes\BuildSettings.cs" />
     <Compile Include="BundleFile.cs" />
     <Compile Include="ClassIDReference.cs" />
     <Compile Include="EndianStream.cs" />
-    <Compile Include="FBXExport.cs">
+    <Compile Include="ExportOptions.cs">
       <SubType>Form</SubType>
     </Compile>
-    <Compile Include="FBXExport.Designer.cs">
+    <Compile Include="ExportOptions.Designer.cs">
-      <DependentUpon>FBXExport.cs</DependentUpon>
+      <DependentUpon>ExportOptions.cs</DependentUpon>
     </Compile>
     <Compile Include="FMOD Studio API\fmod.cs" />
     <Compile Include="FMOD Studio API\fmod_dsp.cs" />
     <Compile Include="FMOD Studio API\fmod_errors.cs" />
-    <Compile Include="Font.cs" />
+    <Compile Include="Unity Classes\Font.cs" />
     <Compile Include="GOHierarchy.cs">
       <SubType>Component</SubType>
     </Compile>
     <Compile Include="Lz4DecoderStream.cs" />
-    <Compile Include="Material.cs" />
+    <Compile Include="Unity Classes\Material.cs" />
-    <Compile Include="Mesh.cs" />
+    <Compile Include="Unity Classes\Mesh.cs" />
-    <Compile Include="GameObject.cs" />
+    <Compile Include="Unity Classes\GameObject.cs" />
     <Compile Include="helpers.cs" />
-    <Compile Include="PlayerSettings.cs" />
+    <Compile Include="Unity Classes\PlayerSettings.cs" />
-    <Compile Include="RectTransform.cs" />
+    <Compile Include="Unity Classes\RectTransform.cs" />
-    <Compile Include="Renderer.cs" />
+    <Compile Include="Unity Classes\Renderer.cs" />
-    <Compile Include="SkinnedMeshRenderer.cs" />
+    <Compile Include="Unity Classes\SkinnedMeshRenderer.cs" />
-    <Compile Include="MeshFilter.cs" />
+    <Compile Include="Unity Classes\MeshFilter.cs" />
-    <Compile Include="TextAsset.cs" />
+    <Compile Include="Unity Classes\TextAsset.cs" />
-    <Compile Include="Texture2D.cs" />
+    <Compile Include="Unity Classes\Texture2D.cs" />
-    <Compile Include="Transform.cs" />
+    <Compile Include="Unity Classes\Transform.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="AssetsFile.cs" />
@@ -172,8 +172,8 @@
       <DependentUpon>AboutBox.cs</DependentUpon>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <EmbeddedResource Include="FBXExport.resx">
+    <EmbeddedResource Include="ExportOptions.resx">
-      <DependentUpon>FBXExport.cs</DependentUpon>
+      <DependentUpon>ExportOptions.cs</DependentUpon>
     </EmbeddedResource>
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
@@ -219,7 +219,13 @@
     </BootstrapperPackage>
   </ItemGroup>
   <ItemGroup>
-    <Content Include="unity.ico" />
+    <Content Include="7zip\7z.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="FMOD Studio API\fmod.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Resources\unity.ico" />
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

Unity Studio/app.config

@@ -43,6 +43,12 @@
             <setting name="showExpOpt" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="exportDeformers" serializeAs="String">
+                <value>True</value>
+            </setting>
+            <setting name="convertDummies" serializeAs="String">
+                <value>True</value>
+            </setting>
         </Unity_Studio.Properties.Settings>
     </userSettings>
 <startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/></startup></configuration>