Simplify decal library
• Instead of splitting between two cginc files, declare the surf function without defining it in DecalsCommon.cginc and only include that. • Add queue value to shader so that doesnt have to be defined automatically. Also add z-offsetfeature-multiSDF
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#ifndef DECALS_SURFACE_INCLUDED
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#define DECALS_SURFACE_INCLUDED
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#include "UnityCG.cginc"
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#include "Lighting.cginc"
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#include "AutoLight.cginc"
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#include "LightingKSP.cginc"
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#include "DecalsCommon.cginc"
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v2f vert_forward_base(appdata_decal v)
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{
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v2f o;
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UNITY_INITIALIZE_OUTPUT(v2f,o);
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o.pos = UnityObjectToClipPos(v.vertex);
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o.normal = v.normal;
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o.uv_decal = mul (_ProjectionMatrix, v.vertex);
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#ifdef DECAL_BASE_NORMAL
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o.uv_base = TRANSFORM_TEX(v.texcoord, _BumpMap);
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#endif
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float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
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float3 worldNormal = UnityObjectToWorldNormal(v.normal);
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//fixed3 worldTangent = fixed3(0,0,0);//UnityObjectToWorldDir(v.tangent.xyz);
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fixed3 worldTangent = UnityObjectToWorldDir(_DecalTangent);
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fixed3 worldBinormal = cross(worldTangent, worldNormal);
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worldTangent = cross(worldNormal, worldBinormal);
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o.tSpace0 = float4(worldTangent.x, worldBinormal.x, worldNormal.x, worldPos.x);
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o.tSpace1 = float4(worldTangent.y, worldBinormal.y, worldNormal.y, worldPos.y);
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o.tSpace2 = float4(worldTangent.z, worldBinormal.z, worldNormal.z, worldPos.z);
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#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
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o.sh = 0;
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// Approximated illumination from non-important point lights
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#ifdef VERTEXLIGHT_ON
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o.sh += Shade4PointLights (
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unity_4LightPosX0, unity_4LightPosY0, unity_4LightPosZ0,
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unity_LightColor[0].rgb, unity_LightColor[1].rgb, unity_LightColor[2].rgb, unity_LightColor[3].rgb,
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unity_4LightAtten0, worldPos, worldNormal);
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#endif
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o.sh = ShadeSHPerVertex (worldNormal, o.sh);
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#endif
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UNITY_TRANSFER_LIGHTING(o, 0.0); // pass shadow and, possibly, light cookie coordinates to pixel shader
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return o;
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}
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fixed4 frag_forward_base(v2f IN) : SV_Target
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{
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DecalSurfaceInput i;
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SurfaceOutput o;
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fixed4 c = 0;
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UNITY_EXTRACT_TBN(IN);
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float3 worldPos = float3(IN.tSpace0.w, IN.tSpace1.w, IN.tSpace2.w);
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float3 worldTan = float3(IN.tSpace0.x, IN.tSpace1.x, IN.tSpace2.x);
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#ifndef USING_DIRECTIONAL_LIGHT
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fixed3 lightDir = normalize(UnityWorldSpaceLightDir(worldPos));
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#else
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fixed3 lightDir = _WorldSpaceLightPos0.xyz;
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#endif
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float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
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float3 viewDir = _unity_tbn_0 * worldViewDir.x + _unity_tbn_1 * worldViewDir.y + _unity_tbn_2 * worldViewDir.z;
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UNITY_INITIALIZE_OUTPUT(DecalSurfaceInput, i)
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i.uv_decal = IN.uv_decal;
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#ifdef DECAL_BASE_NORMAL
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i.uv_base = IN.uv_base;
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#endif
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i.normal = IN.normal;
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i.viewDir = viewDir;
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o.Albedo = 0.0;
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o.Emission = 0.0;
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o.Specular = 0.0;
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o.Alpha = 0.0;
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o.Gloss = 0.0;
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o.Normal = fixed3(0,0,1);
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fixed3 normalWorldVertex = fixed3(0,0,1);
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// call surface function
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surf(i, o);
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// compute lighting & shadowing factor
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UNITY_LIGHT_ATTENUATION(atten, IN, worldPos)
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float3 worldN;
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worldN.x = dot(_unity_tbn_0, o.Normal);
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worldN.y = dot(_unity_tbn_1, o.Normal);
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worldN.z = dot(_unity_tbn_2, o.Normal);
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worldN = normalize(worldN);
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o.Normal = worldN;
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// Setup lighting environment
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UnityGI gi;
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UNITY_INITIALIZE_OUTPUT(UnityGI, gi);
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gi.indirect.diffuse = 0;
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gi.indirect.specular = 0;
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gi.light.color = _LightColor0.rgb;
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gi.light.dir = lightDir;
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// Call GI (lightmaps/SH/reflections) lighting function
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UnityGIInput giInput;
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UNITY_INITIALIZE_OUTPUT(UnityGIInput, giInput);
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giInput.light = gi.light;
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giInput.worldPos = worldPos;
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giInput.worldViewDir = worldViewDir;
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giInput.atten = atten;
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giInput.lightmapUV = 0.0;
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#if UNITY_SHOULD_SAMPLE_SH && !UNITY_SAMPLE_FULL_SH_PER_PIXEL
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giInput.ambient = IN.sh;
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#else
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giInput.ambient.rgb = 0.0;
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#endif
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LightingBlinnPhong_GI(o, giInput, gi);
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//KSP lighting function
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//c += LightingBlinnPhongSmooth(o, lightDir, viewDir, atten);
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c += LightingBlinnPhong(o, worldViewDir, gi);
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c.rgb += o.Emission;
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//c.xyz = (worldTan * 0.5) + 0.5;
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return c;
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}
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#endif
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