drewcassidy/KSP-Conformal-Decals
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Add specular paint shader

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This commit is contained in:
Andrew Cassidy
2020-05-25 10:35:32 -07:00
parent 8ca3925e04
commit dc25576911
5 changed files with 221 additions and 10 deletions
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35
Assets/Shaders/DecalsCommon.cginc
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@ -4,9 +4,23 @@
struct DecalSurfaceInput
{
float2 uv_decal;
#ifdef DECAL_NORMAL
float2 uv_bump;
#endif //DECAL_NORMAL
#ifdef DECAL_SPECULAR
float2 uv_spec;
#endif //DECAL_SPECULAR
#ifdef DECAL_EMISSIVE
float2 uv_glow;
#endif //DECAL_EMISSIVE
#ifdef DECAL_BASE_NORMAL
float2 uv_base;
#endif //DECAL_BASE_NORMAL
float3 normal;
float3 viewDir;
float3 worldPosition;
@ -146,10 +160,24 @@ fixed4 frag_forward(v2f IN) : SV_Target
// initialize surface input
UNITY_INITIALIZE_OUTPUT(DecalSurfaceInput, i)
i.uv_decal = TRANSFORM_TEX(uv_projected, _Decal);;
i.uv_decal = TRANSFORM_TEX(uv_projected, _Decal);
#ifdef DECAL_NORMAL
i.uv_bump = TRANSFORM_TEX(uv_projected, _BumpMap);
#endif //DECAL_NORMAL
#ifdef DECAL_SPECULAR
i.uv_spec = TRANSFORM_TEX(uv_projected, _SpecMap);
#endif //DECAL_SPECULAR
#ifdef DECAL_EMISSIVE
i.uv_glow = TRANSFORM_TEX(uv_projected, _GlowMap);
#endif //DECAL_EMISSIVE
#ifdef DECAL_BASE_NORMAL
i.uv_base = IN.uv_base;
#endif
#endif //DECAL_BASE_NORMAL
i.normal = IN.normal;
i.viewDir = viewDir;
i.worldPosition = worldPosition;
@ -178,12 +206,13 @@ fixed4 frag_forward(v2f IN) : SV_Target
//KSP lighting function
c += LightingBlinnPhongSmooth(o, lightDir, viewDir, atten);
c += LightingBlinnPhongSmooth(o, lightDir, worldViewDir, atten);
// Forward base emission and ambient/vertex lighting
#ifdef UNITY_PASS_FORWARDBASE
c.rgb += o.Emission;
c.rgb += o.Albedo * IN.vlight;
c.a = saturate(c.a);
#endif //UNITY_PASS_FORWARDBASE
// Forward add multiply by alpha