one at a time, take it or leave it.

FModel/MainWindow.xaml.cs

@@ -79,7 +79,7 @@ private async void OnLoaded(object sender, RoutedEventArgs e)
 #if DEBUG
         await _threadWorkerView.Begin(_ =>
             _applicationView.CUE4Parse.Extract(
-                "Hk_project/Content/Character/Zurg/Mesh/SKM_Zurg.uasset"));
+                "/Game/Weapons/FORT_Melee/Pickaxe_Slurp_Monster/Meshes/Slurp_Monster_Axe.uasset"));
 #endif
     }
 

FModel/Resources/default.vert

@@ -7,9 +7,11 @@ layout (location = 4) in vec4 vColor;
 layout (location = 5) in ivec4 vBoneIds;
 layout (location = 6) in vec4 vWeights;
 layout (location = 7) in mat4 vInstanceMatrix;
+layout (location = 11) in vec3 vMorphTarget;
 
 uniform mat4 uView;
 uniform mat4 uProjection;
+uniform float uMorphTime;
 
 out vec3 fPos;
 out vec3 fNormal;
@@ -18,9 +20,10 @@ out vec4 fColor;
 
 void main()
 {
-    gl_Position = uProjection * uView * vInstanceMatrix * vec4(vPos, 1.0);
+    vec3 pos = mix(vPos, vMorphTarget, uMorphTime);
+    gl_Position = uProjection * uView * vInstanceMatrix * vec4(pos, 1.0);
 
-    fPos = vec3(vInstanceMatrix * vec4(vPos, 1.0));
+    fPos = vec3(vInstanceMatrix * vec4(pos, 1.0));
     fNormal = mat3(transpose(inverse(vInstanceMatrix))) * vNormal;
     fTexCoords = vTexCoords;
     fColor = vColor;

FModel/Resources/outline.vert

@@ -3,14 +3,17 @@
 layout (location = 1) in vec3 vPos;
 layout (location = 2) in vec3 vNormal;
 layout (location = 7) in mat4 vInstanceMatrix;
+layout (location = 11) in vec3 vMorphTarget;
 
 uniform mat4 uView;
 uniform mat4 uProjection;
+uniform float uMorphTime;
 uniform vec3 viewPos;
 
 void main()
 {
-    float scaleFactor = distance(vPos, viewPos) * 0.0025;
-    vec3 scaleVertex = vPos + vNormal * scaleFactor;
+    vec3 pos = mix(vPos, vMorphTarget, uMorphTime);
+    float scaleFactor = distance(pos, viewPos) * 0.0025;
+    vec3 scaleVertex = pos + vNormal * scaleFactor;
     gl_Position = uProjection * uView * vInstanceMatrix * vec4(scaleVertex, 1.0);
 }

FModel/Views/Snooper/BufferObject.cs

@@ -31,6 +31,14 @@ public unsafe void Update(int offset, TDataType data)
         _gl.BufferSubData(_bufferType, offset * sizeof(TDataType), (nuint) sizeof(TDataType), data);
     }
 
+    public unsafe void Update(Span<TDataType> data)
+    {
+        fixed (void* d = data)
+        {
+            _gl.BufferSubData(_bufferType, 0, (nuint) (data.Length * sizeof(TDataType)), d);
+        }
+    }
+
     public void Bind()
     {
         _gl.BindBuffer(_bufferType, _handle);

FModel/Views/Snooper/Cube.cs

@@ -18,48 +18,48 @@ public Cube(UObject owner, string name, string type, UMaterialInterface unrealMa
             32, 33, 34, 35
         };
         Vertices = new float[] {
-            //X    Y      Z       Normals             U     V
-            -0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 1.0f,
-             0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 1.0f,
-             0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 0.0f,
-             0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 0.0f,
-            -0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 0.0f,
-            -0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 1.0f,
+        //   I   X      Y      Z            Normals       U     V
+            -1, -0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 1.0f,
+            -1,  0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 1.0f,
+            -1,  0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 0.0f,
+            -1,  0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 1.0f, 0.0f,
+            -1, -0.5f,  0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 0.0f,
+            -1, -0.5f, -0.5f, -0.5f,  0.0f,  0.0f, -1.0f, 0.0f, 1.0f,
 
-            -0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 1.0f,
-             0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 1.0f,
-             0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 0.0f,
-             0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 0.0f,
-            -0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 0.0f,
-            -0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 1.0f,
+            -1, -0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 1.0f,
+            -1,  0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 1.0f,
+            -1,  0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 0.0f,
+            -1,  0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 1.0f, 0.0f,
+            -1, -0.5f,  0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 0.0f,
+            -1, -0.5f, -0.5f,  0.5f,  0.0f,  0.0f,  1.0f, 0.0f, 1.0f,
 
-            -0.5f,  0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
-            -0.5f,  0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 1.0f,
-            -0.5f, -0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
-            -0.5f, -0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
-            -0.5f, -0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 0.0f,
-            -0.5f,  0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
+            -1, -0.5f,  0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
+            -1, -0.5f,  0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 1.0f,
+            -1, -0.5f, -0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
+            -1, -0.5f, -0.5f, -0.5f, -1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
+            -1, -0.5f, -0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 0.0f,
+            -1, -0.5f,  0.5f,  0.5f, -1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
 
-             0.5f,  0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
-             0.5f,  0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 1.0f,
-             0.5f, -0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
-             0.5f, -0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
-             0.5f, -0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 0.0f,
-             0.5f,  0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
+            -1, 0.5f,  0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
+            -1, 0.5f,  0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 1.0f,
+            -1, 0.5f, -0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
+            -1, 0.5f, -0.5f, -0.5f,  1.0f,  0.0f,  0.0f, 1.0f, 0.0f,
+            -1, 0.5f, -0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 0.0f,
+            -1, 0.5f,  0.5f,  0.5f,  1.0f,  0.0f,  0.0f, 0.0f, 1.0f,
 
-            -0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 1.0f,
-             0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 1.0f,
-             0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 0.0f,
-             0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 0.0f,
-            -0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 0.0f,
-            -0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 1.0f,
+            -1, -0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 1.0f,
+            -1,  0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 1.0f,
+            -1,  0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 0.0f,
+            -1,  0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 1.0f, 0.0f,
+            -1, -0.5f, -0.5f,  0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 0.0f,
+            -1, -0.5f, -0.5f, -0.5f,  0.0f, -1.0f,  0.0f, 0.0f, 1.0f,
 
-            -0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 1.0f,
-             0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 1.0f,
-             0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 0.0f,
-             0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 0.0f,
-            -0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 0.0f,
-            -0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 1.0f
+            -1, -0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 1.0f,
+            -1,  0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 1.0f,
+            -1,  0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 0.0f,
+            -1,  0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 1.0f, 0.0f,
+            -1, -0.5f,  0.5f,  0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 0.0f,
+            -1, -0.5f,  0.5f, -0.5f,  0.0f,  1.0f,  0.0f, 0.0f, 1.0f
         };
 
         Sections = new Section[1];

FModel/Views/Snooper/Model.cs

@@ -18,6 +18,7 @@ public class Model : IDisposable
 
     private BufferObject<uint> _ebo;
     private BufferObject<float> _vbo;
+    private BufferObject<float> _morphVbo;
     private BufferObject<Matrix4x4> _matrixVbo;
     private VertexArrayObject<float, uint> _vao;
 
@@ -45,6 +46,8 @@ public class Model : IDisposable
     public bool IsSavable;
     public bool DisplayVertexColors;
     public bool DisplayBones;
+    public int SelectedMorph;
+    public float MorphTime;
 
     protected Model(UObject owner, string name, string type)
     {
@@ -146,6 +149,13 @@ public void UpdateMatrix(int index)
         _matrixVbo.Unbind();
     }
 
+    public void UpdateMorph()
+    {
+        _morphVbo.Bind();
+        _morphVbo.Update(Morphs[SelectedMorph].Vertices);
+        _morphVbo.Unbind();
+    }
+
     public void Setup(GL gl)
     {
         _gl = gl;
@@ -164,17 +174,28 @@ public void Setup(GL gl)
         _vao.VertexAttributePointer(5, 4, VertexAttribPointerType.Int, _vertexSize, 13); // boneids
         _vao.VertexAttributePointer(6, 4, VertexAttribPointerType.Float, _vertexSize, 17); // boneweights
 
-        TransformsCount = Transforms.Count;
-        var instanceMatrix = new Matrix4x4[TransformsCount];
-        for (var i = 0; i < instanceMatrix.Length; i++)
-            instanceMatrix[i] = Transforms[i].Matrix;
-        _matrixVbo = new BufferObject<Matrix4x4>(_gl, instanceMatrix, BufferTargetARB.ArrayBuffer);
-        _vao.BindInstancing();
+        {   // instanced models transform
+            TransformsCount = Transforms.Count;
+            var instanceMatrix = new Matrix4x4[TransformsCount];
+            for (var i = 0; i < instanceMatrix.Length; i++)
+                instanceMatrix[i] = Transforms[i].Matrix;
+            _matrixVbo = new BufferObject<Matrix4x4>(_gl, instanceMatrix, BufferTargetARB.ArrayBuffer);
+            _vao.BindInstancing(); // VertexAttributePointer 7, 8, 9, 10
+        }
 
-        for (uint morph = 0; morph < Morphs.Length; morph++)
+        if (HasMorphTargets)
         {
-            Morphs[morph].Setup(gl);
+            for (uint morph = 0; morph < Morphs.Length; morph++)
+            {
+                Morphs[morph].Setup(gl);
+                if (morph == SelectedMorph)
+                    _morphVbo = new BufferObject<float>(_gl, Morphs[morph].Vertices, BufferTargetARB.ArrayBuffer);
+            }
+            _vao.Bind();
+            _vao.VertexAttributePointer(11, 3, VertexAttribPointerType.Float, _vertexSize, 1); // morph position
+            _vao.Unbind();
         }
+
         for (int section = 0; section < Sections.Length; section++)
         {
             Sections[section].Setup(_gl);
@@ -190,6 +211,7 @@ public void Bind(Shader shader)
         }
 
         _vao.Bind();
+        shader.SetUniform("uMorphTime", MorphTime);
         shader.SetUniform("display_vertex_colors", DisplayVertexColors);
         for (int section = 0; section < Sections.Length; section++)
         {
@@ -212,6 +234,7 @@ public void Outline(Shader shader)
 
         _vao.Bind();
         shader.Use();
+        shader.SetUniform("uMorphTime", MorphTime);
         for (int section = 0; section < Sections.Length; section++)
         {
             if (!Sections[section].Show) continue;
@@ -230,9 +253,13 @@ public void Dispose()
         _vbo.Dispose();
         _matrixVbo.Dispose();
         _vao.Dispose();
-        for (var morph = 0; morph < Morphs.Length; morph++)
+        if (HasMorphTargets)
         {
-            Morphs[morph].Dispose();
+            _morphVbo.Dispose();
+            for (var morph = 0; morph < Morphs.Length; morph++)
+            {
+                Morphs[morph].Dispose();
+            }
         }
         for (int section = 0; section < Sections.Length; section++)
         {

FModel/Views/Snooper/Morph.cs

@@ -10,13 +10,9 @@ public class Morph : IDisposable
     private uint _handle;
     private GL _gl;
 
-    private BufferObject<float> _vbo;
-
     public readonly string Name;
     public readonly float[] Vertices;
 
-    public float Value;
-
     public Morph(float[] vertices, uint vertexSize, UMorphTarget morphTarget)
     {
         Name = morphTarget.Name;
@@ -49,20 +45,11 @@ bool TryFindVertex(uint index, out FVector positionDelta)
     public void Setup(GL gl)
     {
         _gl = gl;
-
         _handle = _gl.CreateProgram();
-
-        _vbo = new BufferObject<float>(_gl, Vertices, BufferTargetARB.ArrayBuffer);
-    }
-
-    public void Bind(Shader shader)
-    {
-        shader.SetUniform("uMorphTime", Value);
     }
 
     public void Dispose()
     {
-        _vbo.Dispose();
         _gl.DeleteProgram(_handle);
     }
 }

FModel/Views/Snooper/SnimGui.cs

@@ -313,18 +313,26 @@ private void DrawProperties(Camera camera, IDictionary<FGuid, Model> models)
                 ImGui.EndTabItem();
             }
 
-            ImGui.BeginDisabled(!model.HasMorphTargets);
-            if (ImGui.BeginTabItem("Shape Keys"))
+            if (model.HasMorphTargets && ImGui.BeginTabItem("Morph Targets"))
             {
-                for (int i = 0; i < model.Morphs.Length; i++)
+                if (ImGui.BeginListBox("", new Vector2(ImGui.GetContentRegionAvail().X, _propertiesSize.Y / 2)))
                 {
-                    ImGui.PushID(i);
-                    ImGui.DragFloat(model.Morphs[i].Name, ref model.Morphs[i].Value, 0.001f, 0.0f, 1.0f, "%.2f", ImGuiSliderFlags.AlwaysClamp);
-                    ImGui.PopID();
+                    for (int i = 0; i < model.Morphs.Length; i++)
+                    {
+                        ImGui.PushID(i);
+                        if (ImGui.Selectable(model.Morphs[i].Name, model.SelectedMorph == i))
+                        {
+                            model.SelectedMorph = i;
+                            model.UpdateMorph();
+                        }
+                        ImGui.PopID();
+                    }
+                    ImGui.EndListBox();
+                    ImGui.Separator();
+                    ImGui.DragFloat("Value", ref model.MorphTime, 0.001f, 0.0f, 1.0f, "%.2f", ImGuiSliderFlags.AlwaysClamp);
                 }
                 ImGui.EndTabItem();
             }
-            ImGui.EndDisabled();
         }
 
         ImGui.End();
@@ -349,7 +357,7 @@ private void DrawTextures(IDictionary<FGuid, Model> models)
         {
             ImGui.SetNextItemWidth(300);
             ImGui.ColorEdit4(section.TexturesLabels[0], ref section.DiffuseColor, ImGuiColorEditFlags.AlphaPreview | ImGuiColorEditFlags.AlphaBar);
-            if (section.Textures[1] is { } normalMap) DrawTexture(normalMap);
+            if (section.Textures[1] is { } normalMap) DrawTexture(normalMap, "Normal");
         }
         else
         {
@@ -358,27 +366,22 @@ private void DrawTextures(IDictionary<FGuid, Model> models)
                 if (section.Textures[i] is not {} texture)
                     continue;
 
-                DrawTexture(texture);
+                DrawTexture(texture, section.TexturesLabels[i]);
 
                 if (i == 3) // emissive, show color
                 {
                     ImGui.SameLine();
                     ImGui.SetNextItemWidth(300);
                     ImGui.ColorEdit4($"{section.TexturesLabels[i]} Color", ref section.EmissionColor, ImGuiColorEditFlags.NoAlpha);
                 }
-                var text = section.TexturesLabels[i];
-                var width = ImGui.GetCursorPos().X;
-                ImGui.SetCursorPosX(width + ImGui.CalcTextSize(text).X * 0.5f);
-                ImGui.Text(text);
-                ImGui.EndGroup();
             }
         }
         ImGui.EndGroup();
 
         ImGui.End();
     }
 
-    private void DrawTexture(Texture texture)
+    private void DrawTexture(Texture texture, string label)
     {
         ImGui.SameLine();
         ImGui.BeginGroup();
@@ -403,6 +406,11 @@ private void DrawTexture(Texture texture)
                 texture.Label = "(?) Copied to Clipboard";
             });
         }
+
+        var width = ImGui.GetCursorPos().X;
+        ImGui.SetCursorPosX(width + ImGui.CalcTextSize(label).X * 0.5f);
+        ImGui.Text(label);
+        ImGui.EndGroup();
     }
 
     private void Draw3DViewport(FramebufferObject framebuffer, Camera camera, IMouse mouse)