Some layout editor improvments.

Convert white colors to srgb for more accurate colors.
Fix displaying bflims with using bc4 alpha and no alpha.
Preview alpha theshhold for color blending.
Fix window pane alpha if frame vertex colors are disabled.

File_Format_Library/FileFormats/Layout/BxlytShader.cs

@@ -93,6 +93,14 @@ namespace LayoutBXLYT
                 GL.Uniform1(uniforms[name], value);
         }
 
+        public void SetBool(string name, bool value)
+        {
+            int intValue = value == true ? 1 : 0;
+
+            if (uniforms.ContainsKey(name))
+                GL.Uniform1(uniforms[name], intValue);
+        }
+
         public void SetColor(string name, Color color)
         {
             if (uniforms.ContainsKey(name))

File_Format_Library/FileFormats/Layout/BxlytToGL.cs

@@ -60,7 +60,7 @@ namespace LayoutBXLYT
             {
                 var pic1Pane = pane as Cafe.BFLYT.PIC1;
 
-                Color[] Colors = new Color[] {
+               Color[] Colors = new Color[] {
                     pic1Pane.ColorBottomRight.Color,
                     pic1Pane.ColorBottomLeft.Color,
                     pic1Pane.ColorTopLeft.Color,
@@ -90,9 +90,6 @@ namespace LayoutBXLYT
                 DrawRectangle(pane, pane.Rectangle, TexCoords, Colors, false, effectiveAlpha);
 
                 mat.Shader.Disable();
-
-                GL.BindTexture(TextureTarget.Texture2D, 0);
-                GL.PopAttrib();
             }
             else if (pane is BCLYT.PIC1)
             {
@@ -128,9 +125,6 @@ namespace LayoutBXLYT
                 DrawRectangle(pane, pane.Rectangle, TexCoords, Colors, false, effectiveAlpha);
 
                 mat.Shader.Disable();
-
-                GL.BindTexture(TextureTarget.Texture2D, 0);
-                GL.PopAttrib();
             }
             else if (pane is BRLYT.PIC1)
             {
@@ -166,10 +160,12 @@ namespace LayoutBXLYT
                 DrawRectangle(pane, pane.Rectangle, TexCoords, Colors, false, effectiveAlpha);
 
                 mat.Shader.Disable();
-
-                GL.BindTexture(TextureTarget.Texture2D, 0);
-                GL.PopAttrib();
             }
+
+
+            GL.BindTexture(TextureTarget.Texture2D, 0);
+            GL.PopAttrib();
+            GL.UseProgram(0);
         }
 
         public static void DrawBoundryPane(BasePane pane, byte effectiveAlpha, List<BasePane> SelectedPanes)
@@ -345,17 +341,14 @@ namespace LayoutBXLYT
             if (!window.UseVertexColorForAll)
             {
                 colors = new Color[] {
-                    Color.White, Color.White,
+                    Color.FromArgb(effectiveAlpha, 255,255,255),
-                    Color.White, Color.White,
+                    Color.FromArgb(effectiveAlpha, 255,255,255),
+                    Color.FromArgb(effectiveAlpha, 255,255,255),
+                    Color.FromArgb(effectiveAlpha, 255,255,255),
                 };
             }
 
-            //Apply pane alpha
+
-            for (int i = 0; i < colors.Length; i++)
-            {
-                uint setalpha = (uint)((colors[i].A * effectiveAlpha) / 255);
-                colors[i] = Color.FromArgb((int)setalpha, colors[i]);
-            }
 
             switch (window.FrameCount)
             {
@@ -478,6 +471,14 @@ namespace LayoutBXLYT
                         var matBL = window.WindowFrames[2].Material;
                         var matBR = window.WindowFrames[3].Material;
 
+                        //Todo check this
+                        if (window.UseOneMaterialForAll)
+                        {
+                          /*  matTR = matTL;
+                            matBL = matTL;
+                            matBR = matTL;*/
+                        }
+
                         if (matTL.TextureMaps.Length > 0)
                         {
                             SetupShaders(matTL, Textures);
@@ -568,6 +569,18 @@ namespace LayoutBXLYT
                         var matL = window.WindowFrames[6].Material;
                         var matR = window.WindowFrames[7].Material;
 
+                        //Todo check this
+                        if (window.UseOneMaterialForAll)
+                        {
+                         /*   matTR = matTL;
+                            matBL = matTL;
+                            matBR = matTL;
+                            matT = matTL;
+                            matB = matTL;
+                            matL = matTL;
+                            matR = matTL;*/
+                        }
+
                         if (matTL.TextureMaps.Length > 0)
                         {
                             SetupShaders(matTL, Textures);
@@ -973,8 +986,8 @@ namespace LayoutBXLYT
         {
             for (int i = 0; i < colors.Length; i++)
             {
-                uint setalpha = (uint)((colors[i].A * alpha) / 255);
+                float outAlpha = BasePane.MixColors(colors[i].A, alpha);
-                colors[i] = Color.FromArgb((int)setalpha, colors[i]);
+                colors[i] = Color.FromArgb(Utils.FloatToIntClamp(outAlpha), colors[i]);
             }
 
             if (LayoutEditor.UseLegacyGL)

File_Format_Library/FileFormats/Layout/CAFE/BFLYT.cs

@@ -209,6 +209,16 @@ namespace LayoutBXLYT.Cafe
                         if (!textures.ContainsKey(bflim.FileName))
                             textures.Add(bflim.FileName, bflim);
                     }
+                    Console.WriteLine("file " + file);
+                    if (Utils.GetExtension(file) == ".bntx")
+                    {
+                        BNTX bntx = (BNTX)STFileLoader.OpenFileFormat(file);
+                        foreach (var tex in bntx.Textures)
+                        {
+                            if (!textures.ContainsKey(tex.Key))
+                                textures.Add(tex.Key, tex.Value);
+                        }
+                    }
                 }
             }
 
@@ -1926,6 +1936,12 @@ namespace LayoutBXLYT.Cafe
             [DisplayName("Name"), CategoryAttribute("General")]
             public override string Name { get; set; }
 
+            [DisplayName("Thresholding Alpha Interpolation"), CategoryAttribute("Alpha")]
+            public override bool ThresholdingAlphaInterpolation
+            {
+                get { return Convert.ToBoolean((flags >> 18) & 0x1); }
+            }
+
             [DisplayName("Black Color"), CategoryAttribute("Color")]
             public STColor8 BlackColor { get; set; }
 
@@ -2010,7 +2026,6 @@ namespace LayoutBXLYT.Cafe
                 var hasIndParam = Convert.ToBoolean((flags >> 14) & 0x1);
                 var projTexGenParamCount = Convert.ToUInt32((flags >> 15) & 0x3);
                 var hasFontShadowParam = Convert.ToBoolean((flags >> 17) & 0x1);
-                var thresholdingAlphaInterpolation = Convert.ToBoolean((flags >> 18) & 0x1);
 
                 TextureMaps = new TextureRef[texCount];
                 TextureTransforms = new TextureTransform[mtxCount];

File_Format_Library/FileFormats/Layout/CAFE/BflytShader.cs

@@ -31,6 +31,7 @@ namespace LayoutBXLYT
             SetInt("textures0", 0);
             SetInt("textures1", 0);
             SetInt("textures2", 0);
+            SetBool("ThresholdingAlphaInterpolation", false);
 
             SetVec2("uvScale0", new Vector2(1,1));
             SetFloat("uvRotate0", 0);
@@ -47,18 +48,22 @@ namespace LayoutBXLYT
             SetFloat("uvRotate0", 0);
             SetVec2("uvTranslate0", new Vector2(0, 0));
             SetInt("flipTexture", 0);
+            SetBool("ThresholdingAlphaInterpolation", material.ThresholdingAlphaInterpolation);
 
             BindTextureUniforms();
 
+            int id = 1;
             for (int i = 0; i < material.TextureMaps.Length; i++)
             {
                 if (textures.ContainsKey(material.TextureMaps[i].Name))
                 {
-                    GL.ActiveTexture(TextureUnit.Texture0 + i);
+                    GL.ActiveTexture(TextureUnit.Texture0 + id);
-                    SetInt($"textures{i}", 0);
+                    SetInt($"textures{i}", id);
                     bool isBinded = BxlytToGL.BindGLTexture(material.TextureMaps[i], textures[material.TextureMaps[i].Name]);
                     if (isBinded)
                         SetInt($"hasTexture{i}", 1);
+
+                    id++;
                 }
             }
 

File_Format_Library/FileFormats/Layout/CAFE/Materials/TevStage.cs

@@ -4,21 +4,21 @@ namespace LayoutBXLYT.Cafe
 {
     public class TevStage
     {
-        public byte RGBMode { get; set; }
+        public TevMode RGBMode { get; set; }
-        public byte AlphaMode { get; set; }
+        public TevMode AlphaMode { get; set; }
         public ushort unk { get; set; }
 
         public TevStage(FileReader reader, BFLYT.Header header)
         {
-            RGBMode = reader.ReadByte();
+            RGBMode = (TevMode)reader.ReadByte();
-            AlphaMode = reader.ReadByte();
+            AlphaMode = (TevMode)reader.ReadByte();
             unk = reader.ReadUInt16();
         }
 
         public void Write(FileWriter writer)
         {
-            writer.Write(RGBMode);
+            writer.Write(RGBMode, false);
-            writer.Write(AlphaMode);
+            writer.Write(AlphaMode, false);
             writer.Write(unk);
         }
     }

File_Format_Library/FileFormats/Layout/CTR/BclytShader.cs

@@ -30,6 +30,7 @@ namespace LayoutBXLYT
             SetInt("textures0", 0);
             SetInt("textures1", 0);
             SetInt("textures2", 0);
+            SetBool("ThresholdingAlphaInterpolation", false);
 
             SetVec2("uvScale0", new Vector2(1, 1));
             SetFloat("uvRotate0", 0);
@@ -46,6 +47,7 @@ namespace LayoutBXLYT
             SetFloat("uvRotate0", 0);
             SetVec2("uvTranslate0", new Vector2(0, 0));
             SetInt("flipTexture", 0);
+            SetBool("ThresholdingAlphaInterpolation", material.ThresholdingAlphaInterpolation);
 
             BindTextureUniforms();
 

File_Format_Library/FileFormats/Layout/Common.cs

@@ -124,6 +124,20 @@ namespace LayoutBXLYT
                 parentTransform.W);
         }
 
+        public static float MixColors(params float[] c)
+        {
+            float a = c[0];
+            for (int i = 1; i < c.Length; i++)
+            {
+                a *= c[i];
+            }
+            for (int i = 1; i < c.Length; i++)
+            {
+                a /= 255f;
+            }
+            return a / 255f;
+        }
+
         //Get the previous transform from the parent origin
         private Vector4 ParentOriginTransform(Vector4 points)
         {
@@ -439,6 +453,22 @@ namespace LayoutBXLYT
         Rotate270 = 5
     }
 
+    public enum TevMode : byte
+    {
+        Replace,
+        Modulate,
+        Add,
+        AddSigned,
+        Interpolate,
+        Subtract,
+        AddMultiplicate,
+        MultiplcateAdd,
+        Overlay,
+        Indirect,
+        BlendIndirect,
+        EachIndirect,
+    }
+
     public interface IWindowPane
     {
         bool UseOneMaterialForAll { get; set; }
@@ -756,6 +786,9 @@ namespace LayoutBXLYT
         [DisplayName("Name"), CategoryAttribute("General")]
         public virtual string Name { get; set; }
 
+        [DisplayName("Thresholding Alpha Interpolation"), CategoryAttribute("Alpha")]
+        public virtual bool ThresholdingAlphaInterpolation { get; set; }
+
         [Browsable(false)]
         public virtual BxlytShader Shader { get; set; }
 

File_Format_Library/FileFormats/Layout/Rev/BrlytShader.cs

@@ -30,6 +30,7 @@ namespace LayoutBXLYT
             SetInt("textures0", 0);
             SetInt("textures1", 0);
             SetInt("textures2", 0);
+            SetBool("ThresholdingAlphaInterpolation", false);
 
             SetVec2("uvScale0", new Vector2(1, 1));
             SetFloat("uvRotate0", 0);
@@ -46,6 +47,7 @@ namespace LayoutBXLYT
             SetFloat("uvRotate0", 0);
             SetVec2("uvTranslate0", new Vector2(0, 0));
             SetInt("flipTexture", 0);
+            SetBool("ThresholdingAlphaInterpolation", material.ThresholdingAlphaInterpolation);
 
             BindTextureUniforms();
 

File_Format_Library/FileFormats/Texture/BFLIM.cs

@@ -265,6 +265,7 @@ namespace FirstPlugin
                     bflim.Width = bflim.image.Width;
                     bflim.Height = bflim.image.Height;
 
+
                     bflim.ImageData = ftex.texture.Data;
                     var form = new GenericEditorForm(false, bflim.OpenForm());
                     LibraryGUI.CreateMdiWindow(form);
@@ -410,15 +411,18 @@ namespace FirstPlugin
                 image = new Image(Is3DS);
                 image.Read(reader);
 
+                bool isBc4Alpha = image.BflimFormat == 16;
+
                 if (Is3DS)
                     Format = Formats3DS[image.BflimFormat];
                 else
                     Format = FormatsWiiU[image.BflimFormat];
 
+
                 Width = image.Width;
                 Height = image.Height;
 
-                LoadComponents(Format);
+                LoadComponents(Format, isBc4Alpha);
 
                 uint ImageSize = reader.ReadUInt32();
 
@@ -430,7 +434,7 @@ namespace FirstPlugin
             }
         }
 
-        private void LoadComponents(TEX_FORMAT Format)
+        private void LoadComponents(TEX_FORMAT Format, bool isBc4Alpha)
         {
             switch (Format)
             {
@@ -446,7 +450,15 @@ namespace FirstPlugin
                     RedChannel = STChannelType.Red;
                     GreenChannel = STChannelType.Red;
                     BlueChannel = STChannelType.Red;
-                    AlphaChannel = STChannelType.Red;
+                    AlphaChannel = STChannelType.One;
+
+                    if (isBc4Alpha)
+                    {
+                        RedChannel = STChannelType.One;
+                        GreenChannel = STChannelType.One;
+                        BlueChannel = STChannelType.One;
+                        AlphaChannel = STChannelType.Red;
+                    }
                     break;
             }
         }

Toolbox/Shader/Layout/Legacy/Bflyt.frag

@@ -12,8 +12,12 @@ uniform int hasTexture0;
 uniform int hasTexture1;
 uniform int hasTexture2;
 
+uniform int ThresholdingAlphaInterpolation;
+
 uniform sampler2D uvTestPattern;
 
+#define gamma 2.2
+
 void main()
 {
 	vec4 textureMap0 = vec4(1);
@@ -28,11 +32,24 @@ void main()
 
 	if (debugShading == 0)
 	{
-		vec3 whiteInterpolation = whiteColor.rgb * textureMap0.rgb;
+		// Convert to sRGB.
+		vec3 whiteColorSRGB = pow(whiteColor.rgb, vec3(1.0 / gamma));
+
+		vec3 whiteInterpolation = whiteColorSRGB.rgb * textureMap0.rgb;
 		vec3 blackInterpolation = (vec3(1) - textureMap0.rgb) * blackColor.rgb;
 
+
 		vec3 colorBlend = whiteInterpolation + blackInterpolation;
 		float alpha = textureMap0.a * whiteColor.a;
+		if (ThresholdingAlphaInterpolation != 0)
+		{
+		    //Todo these need to interpolate and be smoother
+		     if (textureMap0.a >= whiteColor.a) alpha = 1.0;
+		     if (textureMap0.a <= blackColor.a) alpha = 0.0;
+			// if (blackColor.a < alpha && alpha < whiteColor.a)
+			//	 alpha = mix(0.0, 1.0, textureMap0.a);
+		}
+
 		gl_FragColor = gl_Color * vec4(colorBlend,alpha);
 	}
 	else if (debugShading == 5)