Bugfix - UI transparency

Assets/Gothic-Core/Resources/Prefabs/UI/Menus/LoadingArea.prefab

@@ -133,7 +133,7 @@ Canvas:
   m_OverrideSorting: 0
   m_OverridePixelPerfect: 0
   m_SortingBucketNormalizedSize: 0
-  m_VertexColorAlwaysGammaSpace: 1
+  m_VertexColorAlwaysGammaSpace: 0
   m_AdditionalShaderChannelsFlag: 0
   m_UpdateRectTransformForStandalone: 0
   m_SortingLayerID: 0

Assets/Gothic-Core/Scripts/Const/Constants.cs

@@ -16,6 +16,7 @@ public static class Animations
         // Unity shaders
         public static readonly Shader ShaderUnlit = Shader.Find("Universal Render Pipeline/Unlit");
         public static readonly Shader ShaderUnlitParticles = Shader.Find("Universal Render Pipeline/Particles/Unlit");
+        public static readonly Shader ShaderUI = Shader.Find("Gothic/UI");
         public static readonly Shader ShaderTMPSprite = Shader.Find("TextMeshPro/Sprite");
         public static readonly Shader ShaderDecal = Shader.Find("Shader Graphs/Decal");
         public static readonly Shader ShaderStandard = Shader.Find("Standard");

Assets/Gothic-Core/Scripts/Services/Meshes/TextureService.cs

@@ -50,9 +50,9 @@ public void Init()
             MainMenuTextImageMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Transparent);
 
             // Loading Bars
-            GothicLoadingMenuMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Opaque);
-            LoadingBarBackgroundMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Opaque);
-            LoadingBarMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Opaque);
+            GothicLoadingMenuMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Fade);
+            LoadingBarBackgroundMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Fade);
+            LoadingBarMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Fade);
 
             // Status Bars
             StatusBarBackgroundMaterial = GetEmptyMaterial(MaterialExtension.BlendMode.Opaque);
@@ -110,22 +110,22 @@ public void SetTexture(string texture, Material material)
 
         public Material GetEmptyMaterial(MaterialExtension.BlendMode blendMode)
         {
-            var standardShader = Constants.ShaderUnlit;
+            var standardShader = Constants.ShaderUI;
             var material = new Material(standardShader);
 
             switch (blendMode)
             {
                 case MaterialExtension.BlendMode.Opaque:
                     material.ToOpaqueMode();
                     break;
+                case MaterialExtension.BlendMode.Fade:
+                    material.ToFadeMode();
+                    break;
                 case MaterialExtension.BlendMode.Transparent:
                     material.ToTransparentMode();
                     break;
             }
 
-            // Enable clipping of alpha values.
-            material.EnableKeyword("_ALPHATEST_ON");
-
             return material;
         }
 

Assets/Gothic-Core/Shaders/GothicUI.shader

@@ -0,0 +1,105 @@
+Shader "Gothic/UI"
+{
+    Properties
+    {
+        [MainTexture] _BaseMap("Texture", 2D) = "white" {}
+        [MainColor] _BaseColor("Color", Color) = (1,1,1,1)
+
+        // Obsolete properties for backward compatibility
+        [HideInInspector] _MainTex("Base Map", 2D) = "white" {}
+        [HideInInspector] _Color("Base Color", Color) = (1,1,1,1)
+
+        // Blending state — driven by MaterialExtension methods
+        // Defaults match ToOpaqueMode() behavior
+        [HideInInspector] _SrcBlend("Src Blend", Float) = 1
+        [HideInInspector] _DstBlend("Dst Blend", Float) = 0
+        [HideInInspector] _ZWrite("Z Write", Float) = 1
+        [HideInInspector] _Cull("Cull", Float) = 0
+
+        // Alpha cutoff
+        _Cutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            "RenderType" = "Opaque"
+            "Queue" = "Geometry"
+            "RenderPipeline" = "UniversalPipeline"
+            "IgnoreProjector" = "True"
+        }
+
+        Blend [_SrcBlend] [_DstBlend]
+        ZWrite [_ZWrite]
+        Cull [_Cull]
+
+        Pass
+        {
+            Name "Default"
+            Tags { "LightMode" = "SRPDefaultUnlit" }
+
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 2.0
+
+            #pragma shader_feature_local_fragment _ALPHATEST_ON
+
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+                float4 color : COLOR;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+                float4 color : COLOR;
+                UNITY_VERTEX_OUTPUT_STEREO
+            };
+
+            TEXTURE2D(_BaseMap);
+            SAMPLER(sampler_BaseMap);
+            float4 _BaseMap_ST;
+            half4 _BaseColor;
+            half _Cutoff;
+
+            // Alias for backward compatibility with code that sets _MainTex
+            #define _MainTex _BaseMap
+            #define _Color _BaseColor
+
+            Varyings vert(Attributes input)
+            {
+                Varyings output;
+                UNITY_SETUP_INSTANCE_ID(input);
+                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
+
+                output.positionCS = TransformObjectToHClip(input.positionOS.xyz);
+                output.uv = TRANSFORM_TEX(input.uv, _BaseMap);
+                output.color = input.color * _BaseColor;
+                return output;
+            }
+
+            half4 frag(Varyings input) : SV_Target
+            {
+                half4 texColor = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, input.uv);
+                half4 color = texColor * input.color;
+
+                #if defined(_ALPHATEST_ON)
+                clip(color.a - _Cutoff);
+                #endif
+
+                return color;
+            }
+            ENDHLSL
+        }
+    }
+
+    FallBack "Hidden/Universal Render Pipeline/FallbackError"
+}

ProjectSettings/GraphicsSettings.asset

@@ -38,7 +38,9 @@ GraphicsSettings:
   - {fileID: 4800000, guid: 2934cb51602218b448edcb4315625e2a, type: 3}
   - {fileID: 4800000, guid: 3c0120062f2bdbd41b55907f82494d88, type: 3}
   - {fileID: 4800000, guid: 25dd2ac8db094fa1bf57da112a073017, type: 3}
-  m_PreloadedShaders: []
+  - {fileID: 4800000, guid: 02703c9bf67e33063b41c3d6cbc9be01, type: 3}
+  m_PreloadedShaders:
+  - {fileID: 0}
   m_PreloadShadersBatchTimeLimit: -1
   m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000, type: 0}
   m_CustomRenderPipeline: {fileID: 11400000, guid: ff1e1f739462f6446bfdd47f8653ddb3, type: 2}