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#ifndef BASICS
#define BASICS
//Properties
float4 _Color;
float _Desaturation;
UNITY_DECLARE_TEX2D(_MainTex); float4 _MainTex_ST;
UNITY_DECLARE_TEX2D_NOSAMPLER(_BumpMap); float4 _BumpMap_ST;
float4 _GlobalPanSpeed;
UNITY_DECLARE_TEX2D_NOSAMPLER(_DetailNormalMap); float4 _DetailNormalMap_ST;
UNITY_DECLARE_TEX2D_NOSAMPLER(_DetailNormalMask); float4 _DetailNormalMask_ST;
UNITY_DECLARE_TEX2D_NOSAMPLER(_AlphaMask); float4 _AlphaMask_ST;
float _BumpScale;
float _DetailNormalMapScale;
float _Clip;
float3 viewDirection;
float viewDotNormal;
float4 mainTexture;
float alphaMask;
float4 albedo;
void InitializeFragmentNormal(inout v2f i)
{
float3 mainNormal = UnpackScaleNormal(UNITY_SAMPLE_TEX2D_SAMPLER(_BumpMap, _MainTex, TRANSFORM_TEX(i.uv, _BumpMap)), _BumpScale);
float detailNormalMask = UNITY_SAMPLE_TEX2D_SAMPLER(_DetailNormalMask, _MainTex, TRANSFORM_TEX(i.uv, _DetailNormalMask));
float3 detailNormal = UnpackScaleNormal(UNITY_SAMPLE_TEX2D_SAMPLER(_DetailNormalMap, _MainTex, TRANSFORM_TEX(i.uv, _DetailNormalMap)), _DetailNormalMapScale * detailNormalMask);
float3 tangentSpaceNormal = BlendNormals(mainNormal, detailNormal);
#if defined(BINORMAL_PER_FRAGMENT)
float3 binormal = CreateBinormal(i.normal, i.tangent.xyz, i.tangent.w);
#else
float3 binormal = i.binormal;
#endif
i.normal = normalize(
tangentSpaceNormal.x * i.tangent +
tangentSpaceNormal.y * binormal +
tangentSpaceNormal.z * i.normal
);
}
void calculateBasics(inout v2f i)
{
UNITY_SETUP_INSTANCE_ID(i);
baseNormal = i.normal;
#ifndef DRAG_N_DROP
InitializeFragmentNormal(i);
#endif
viewDirection = normalize(_WorldSpaceCameraPos - i.worldPos);
viewDotNormal = abs(dot(viewDirection, i.normal));
mainTexture = UNITY_SAMPLE_TEX2D(_MainTex, TRANSFORM_TEX(i.uv, _MainTex));
alphaMask = UNITY_SAMPLE_TEX2D_SAMPLER(_AlphaMask, _MainTex, TRANSFORM_TEX(i.uv, _AlphaMask));
albedo = float4(lerp(mainTexture.rgb, dot(mainTexture.rgb, float3(0.3, 0.59, 0.11)), _Desaturation) * _Color.rgb, mainTexture.a * _Color.a * alphaMask);
}
#endif
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