fix: fix effect shader for ADDBLEND && VC && !TEXTURE (#544)

* fix: fixed wrong look for effect shader with ADDBLEND && VC && !TEXTURE.

* style: 🎨 apply clang-format changes

---------

Co-authored-by: Ilya Perapechka <i_perapechka@wargaming.net>
Co-authored-by: Jonahex <Jonahex@users.noreply.github.com>

package/Shaders/Effect.hlsl

@@ -633,12 +633,16 @@ PS_OUTPUT main(PS_INPUT input)
 
 	float4 baseTexColor = float4(1, 1, 1, 1);
 	float4 baseColor = float4(1, 1, 1, 1);
-#	if defined(TEXTURE) || (defined(ADDBLEND) && defined(VC))
-	baseTexColor = TexBaseSampler.Sample(SampBaseSampler, input.TexCoord0.xy);
-	baseColor *= baseTexColor;
-	if (PixelShaderDescriptor & _IgnoreTexAlpha || PixelShaderDescriptor & _GrayscaleToAlpha)
-		baseColor.w = 1;
+#	if !defined(TEXTURE)
+	[branch] if (PixelShaderDescriptor & _GrayscaleToColor || PixelShaderDescriptor & _GrayscaleToAlpha)
 #	endif
+	{
+		baseTexColor = TexBaseSampler.Sample(SampBaseSampler, input.TexCoord0.xy);
+		baseColor *= baseTexColor;
+		if (PixelShaderDescriptor & _IgnoreTexAlpha || PixelShaderDescriptor & _GrayscaleToAlpha) {
+			baseColor.w = 1;
+		}
+	}
 
 #	if defined(MEMBRANE)
 	float4 baseColorMul = float4(1, 1, 1, 1);
@@ -780,4 +784,4 @@ PS_OUTPUT main(PS_INPUT input)
 
 	return psout;
 }
-#endif
+#endif