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968 lines
39 KiB
Plaintext
968 lines
39 KiB
Plaintext
3 years ago
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// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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struct appdata{
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float4 vertex : POSITION;
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float4 tangent : TANGENT;
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float3 normal : NORMAL;
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float2 texcoord : TEXCOORD0;
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float2 texcoord1 : TEXCOORD1;
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float2 texcoord2 : TEXCOORD2;
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};
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sampler2D _suimono_TransTex;
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sampler2D _suimono_CausticTex;
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sampler2D _suimono_NormalsTex;
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sampler2D _suimono_WakeTex;
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sampler2D _suimono_shorelineTex;
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sampler2D _ReflectionTex;
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sampler2D _CameraDepthTexture;
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sampler2D _NormalTexS;
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sampler2D _NormalTexD;
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sampler2D _NormalTexR;
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sampler2D _FoamTex;
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sampler2D _WaveTex;
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sampler2D _MaskTex;
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samplerCUBE _SkyCubemap;
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samplerCUBE _CubeTex;
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half4 _SkyCubemap_HDR;
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half4 _SkyTint;
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half _SkyExposure;
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float _SkyRotation;
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float4 _TintColor2;
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fixed4 _shallowColor;
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fixed4 _depthColor;
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fixed4 _BlendColor;
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fixed4 _OverlayColor;
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fixed4 _ReflectionColor;
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fixed4 _SSSColor;
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fixed4 _SpecularColor;
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fixed4 _FoamColor;
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fixed4 _CausticsColor;
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float _Tess;
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float _minDist;
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float _maxDist;
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float _NormalStrength;
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float _RefractStrength;
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float _ReflectStrength;
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float _EdgeFade;
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float _EdgeFoamFade;
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float _HeightFoamAmt;
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float _HeightFoamHeight;
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float _ShallowFoamAmt;
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float _DepthFade;
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float _ShallowFade;
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float _RefractFade;
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float _CausticsFade;
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float _aberrationScale;
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float _heightScale;
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float _specularPower;
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float _roughness;
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float _roughness2;
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float _reflecTerm;
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float _reflecSharp;
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float4 _suimono_Dir;
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fixed3 worldNormalMask;
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half heightMask;
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half heightMaskRWave;
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float4 screenTransparent;
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float4 screenTransparentDistort;
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fixed4 screenCaustics;
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fixed4 screenCausticsDistort;
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float4 screenDepthMask;
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float4 screenDepthMaskDistort;
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fixed4 screenNormals;
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fixed4 screenWakeMask;
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float4 screenShoreline;
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float4 _scaleUVs;
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float _tessScale;
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float waterMask;
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float4 useReflectColor;
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float reflectDistance;
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float edgeDepth;
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float edgeDarkenDepth;
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float foamDepth;
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float foamDarkenDepth;
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float refractDepth;
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float _foamSpeed;
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float _foamScale;
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float _beaufortScale;
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float _turbulenceFactor;
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float _lgWaveHeight;
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float _lgWaveScale;
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float _beaufortFlag;
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float _causticsFlag;
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float _reflectFlag;
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float _reflectDynamicFlag;
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float _reflectFallback;
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half4 _reflectFallbackColor;
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float reflectMask;
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float _overallTransparency;
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float _overallBrightness;
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float4 tempWaves;
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float _shorelineScale;
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float _shorelineFrequency;
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float _shorelineSpeed;
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float _shorelineHeight;
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float _shorelineNorm;
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float _distortMask;
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float _depthMask;
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float _shallowMask;
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float _heightProjection;
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float underwaterDistance;
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float depthDifferential;
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float foamDifferential;
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float _suimono_uvx;
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float _suimono_uvy;
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half rHeight;
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float2 flowmap;
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half3 flowWaves;
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float2 flowSpeed;
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half3 tbNormal;
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float _isPlaying;
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float4 _UnderwaterColor;
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float _Suimono_isLinear;
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float3 ambientLight;
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float _suimonoTransDist;
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float transDist;
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float suimono_tess_on;
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float suimono_trans_on;
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float suimono_caustic_on;
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float suimono_refl_sky;
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float suimono_refl_cube;
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float suimono_refl_color;
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float suimono_dynrefl_on;
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float suimono_refl_off;
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float _enableFoam;
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//test
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int _sui_metalTestMode;
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struct Input {
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float2 uv_NormalTexS : TEXCOORD0;
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float2 uv2_FoamTex : TEXCOORD1;
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float2 uv3_WaveTex : TEXCOORD2;
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float4 screenPos;
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float3 worldRefl;
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INTERNAL_DATA
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};
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//TESSELLATION HELPER FUNCTIONS ---------------------------------------------------------------------------------------
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float UnityCalcDistanceTessFactor (float4 vertex, float minDist, float maxDist, float tess){
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float3 wpos = mul(unity_ObjectToWorld,vertex).xyz;
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float dist = distance(wpos, _WorldSpaceCameraPos);
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float f = clamp(1.0 - (dist - minDist) / (maxDist - minDist), 0.01, 1.0) * tess;
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return f;
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}
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float4 UnityCalcTriEdgeTessFactors (float3 triVertexFactors){
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float4 tess;
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tess.x = 0.5 * (triVertexFactors.y + triVertexFactors.z);
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tess.y = 0.5 * (triVertexFactors.x + triVertexFactors.z);
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tess.z = 0.5 * (triVertexFactors.x + triVertexFactors.y);
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tess.w = (triVertexFactors.x + triVertexFactors.y + triVertexFactors.z) / 3.0f;
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return tess;
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}
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float4 UnityDistanceBasedTess (float4 v0, float4 v1, float4 v2, float minDist, float maxDist, float tess){
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float3 f;
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f.x = UnityCalcDistanceTessFactor (v0,minDist,maxDist,tess);
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f.y = UnityCalcDistanceTessFactor (v1,minDist,maxDist,tess);
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f.z = UnityCalcDistanceTessFactor (v2,minDist,maxDist,tess);
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return UnityCalcTriEdgeTessFactors (f);
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}
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//APPLY TESSELLATION
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float4 SuimonoTess (appdata v0, appdata v1, appdata v2) {
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float4 tess;
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if (suimono_tess_on == 1.0){
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tess = UnityDistanceBasedTess(v0.vertex, v1.vertex, v2.vertex, _minDist, _maxDist, (_Tess*_tessScale));
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} else {
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tess = float4(1,1,1,1);
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}
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return tess;
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}
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//ROTATION FUNCTION ---------------------------------------------------------------------------------------------------
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float3 SuimonoRotateAroundYAxis(float3 v, float deg){
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float alpha = deg * UNITY_PI / 180.0;
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float sina, cosa;
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sincos(alpha, sina, cosa);
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float2x2 m = float2x2(cosa, -sina, sina, cosa);
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return float3(mul(m, v.xz), v.y).xzy;
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}
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//VERTEX --------------------------------------------------------------------------------------------------------------
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void SuimonoVert(inout appdata v){
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//vertex setup
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float4 pos = UnityObjectToClipPos(v.vertex);
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float4 projPos = ComputeScreenPos(pos);
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float screenHeight = tex2Dproj(_suimono_WakeTex, projPos).b;
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//calculate height
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float2 texUV = v.texcoord.xy*float2(_scaleUVs.x,_scaleUVs.y);
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float2 texUV2 = v.texcoord2.xy;
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float2 flowSpeed = float2(_suimono_Dir.x,_suimono_Dir.z)*_suimono_Dir.w;
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float2 waveOff1 = float2(_suimono_uvx,_suimono_uvy);
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//Calm Wave Height
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float CheightPos0 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexS, float4(texUV + flowSpeed + waveOff1,0,0)).a ));
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float CheightPos1 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexS, float4(texUV * 0.75 - (flowSpeed*0.25) + (waveOff1*0.75),0,0)).a ));
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//Turbulent Wave Height
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float TheightPos0 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexD, float4(texUV + flowSpeed + waveOff1,0,0)).a ));
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float TheightPos1 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexD, float4(texUV * 0.5 - (flowSpeed*0.25) + (waveOff1*0.5),0,0)).a ));
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//Rolling Wave Height
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float RheightPos0 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexR, float4(texUV * _lgWaveScale + (flowSpeed*0.0625) + (waveOff1*_lgWaveScale),0,0)).a ));
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float RheightPos1 = saturate(lerp((float)-0.035, (float)0.5, tex2Dlod(_NormalTexR, float4(texUV * _lgWaveScale + (flowSpeed*0.125) + (waveOff1*_lgWaveScale),0,0)).a ));
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//displace height
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half cHeight = (CheightPos0 + CheightPos1) * 0.8;
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half tHeight = ((TheightPos0 * 0.2) + (TheightPos0 * TheightPos1 * 0.8)) * _turbulenceFactor * 0.5;
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half rHeight = ((RheightPos0 * 4.0) + (RheightPos1*3.0));
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//set final vertex
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half useY = 0.0;
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//waves
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useY += (cHeight * _heightScale);
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useY += (tHeight * _heightScale);
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useY += (rHeight * _lgWaveHeight);
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useY = lerp((half)0.0,useY,_heightProjection);
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#if UNITY_CAN_COMPILE_TESSELLATION
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//calculate shoreline wave height
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half2 p = projPos.xy/projPos.w;
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half3 shoreTex = tex2Dlod(_suimono_shorelineTex, float4(p.xy,0,0)).rgb;
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float2 flowmap = float2(saturate(shoreTex.r),_shorelineScale) * 2 *_shorelineFrequency;
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half3 flowWaves = tex2Dlod(_WaveTex, float4((float2(2.5,texUV2.y)*flowmap)-float2(_Time.x*_shorelineSpeed,1.0),0,0)).rgb * saturate(shoreTex.r*0.5);
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half shoreline = saturate(lerp((half)flowWaves.r, (half)flowWaves.g, shoreTex.g));
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shoreline = shoreline * (shoreTex.r);// + shoreTex.g);
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shoreline = flowWaves.r;
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shoreline = shoreline - (shoreTex.b * 2 *_shorelineHeight);
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half shoreFac = shoreline * _shorelineHeight * saturate(lerp((half)1.0, (half)0.0, (pos.z/300)));
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//clamp gamma/linear
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shoreFac = shoreFac * lerp((half)0.464646, (half)1.2, _Suimono_isLinear);
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//shoreline waves
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useY += (shoreFac*(1.8-shoreTex.g)*50.0);
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//useY += (shoreFac*(1.8)*50.0);
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//normalize
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useY = lerp((half)useY, (half)0.0, (shoreTex.r + shoreTex.b) * _shorelineNorm * 0.5);
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//calculate wake wave height
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half4 vWake = tex2Dlod(_suimono_WakeTex, float4(p.xy,0,0));
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half4 NWake = tex2Dlod(_suimono_NormalsTex, float4(p.xy,0,0));
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useY += saturate(vWake.b) * 0.15;
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//calculate normal offset
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useY += saturate(NWake.r-0.5 + NWake.g-0.5)*0.12;
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#endif
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//blend wave vertice offset in distance
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useY = lerp((half)0.0, (half)useY, tex2Dlod(_MaskTex, float4(v.texcoord.xy,0,0)).r);
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//normalize`
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//useY = lerp((half)useY, (half)0.0, (1-saturate(shoreTex.r + shoreTex.b)) * _shorelineNorm);
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//assign vertex height
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v.vertex.y = v.vertex.y + useY;
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}
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half3 SuimonoCalcNormal(float2 uvs, float2 uvWave, float4 uvScreen){
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half3 n;
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//calculate speed and flow vectors -----------------------------------------------------------------------------------------
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float2 flowSpeed = float2(_suimono_Dir.x,_suimono_Dir.z)*_suimono_Dir.w;
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float2 waveOff1 = float2(_suimono_uvx,_suimono_uvy);
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half nFac = 0.0;
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//convert normal for linear/gamma useage
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float pFac = lerp((float)1.0, (float)0.464646, _Suimono_isLinear);
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//Calm Wave Normals and Height
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half4 CnormalTex0 = tex2D(_NormalTexS, uvs + flowSpeed + waveOff1);
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half4 CnormalTex1 = tex2D(_NormalTexS, uvs * 0.75 - (flowSpeed*0.25) + (waveOff1*0.75));
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CnormalTex0.rgb = pow(CnormalTex0.rgb,pFac)*2.0-1.0;
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CnormalTex1.rgb = pow(CnormalTex1.rgb,pFac)*2.0-1.0;
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CnormalTex0.a = saturate(lerp((half)-0.035, (half)0.5, CnormalTex0.a));
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CnormalTex1.a = saturate(lerp((half)-0.035, (half)0.5, CnormalTex1.a));
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CnormalTex0.rgb = lerp(half3(0.0,0.0,1.0), (half3)CnormalTex0.rgb, _NormalStrength*_heightScale);
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CnormalTex1.rgb = lerp(half3(0.0,0.0,1.0), (half3)CnormalTex1.rgb, _NormalStrength*_heightScale);
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half cHeight = saturate(CnormalTex0.a + CnormalTex1.a);
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half3 cNormal = float3(CnormalTex0.xy + CnormalTex1.xy, CnormalTex0.z * CnormalTex1.z);
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nFac = saturate((0.0+lerp((half)1.0, (half)0.0, uvScreen.w/400.0)));
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cNormal = lerp(half3(0.0,0.0,1), (half3)cNormal, nFac);
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//Turbulent Wave Normals and Height
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half4 TnormalTex0 = tex2D(_NormalTexD, uvs + flowSpeed + (waveOff1));
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half4 TnormalTex1 = tex2D(_NormalTexD, uvs * 0.5 - (flowSpeed*0.25) + (waveOff1*0.5));
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TnormalTex0.rgb = pow(TnormalTex0.rgb,pFac)*2.0-1.0;
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TnormalTex1.rgb = pow(TnormalTex1.rgb,pFac)*2.0-1.0;
|
||
|
|
|
||
|
|
TnormalTex0.a = saturate(lerp((half)-0.035, (half)0.5, TnormalTex0.a));
|
||
|
|
TnormalTex1.a = saturate(lerp((half)-0.035, (half)0.5, TnormalTex1.a));
|
||
|
|
|
||
|
|
TnormalTex0.rgb = lerp(half3(0.0,0.0,1.0), (half3)TnormalTex0.rgb, _NormalStrength);
|
||
|
|
TnormalTex1.rgb = lerp(half3(0.0,0.0,1.0), (half3)TnormalTex1.rgb, _NormalStrength);
|
||
|
|
|
||
|
|
half tHeight = saturate(TnormalTex0.a + TnormalTex1.a);
|
||
|
|
half3 tNormal = float3(TnormalTex0.xy + TnormalTex1.xy, TnormalTex0.z * TnormalTex1.z);
|
||
|
|
|
||
|
|
nFac = saturate((0.0+lerp((half)2.0, (half)0.0, uvScreen.w/4000.0)));
|
||
|
|
tNormal = lerp(half3(0.0,0.0,1), (half3)tNormal,nFac);
|
||
|
|
half3 tbNormal = tNormal;
|
||
|
|
|
||
|
|
half3 TnormalTex3 = tex2D(_NormalTexD, uvs * 6.0 + (flowSpeed*0.5) + (waveOff1*6.0) + (tNormal.xy * 0.06 * lerp((half)0.0, (half)1.0, tNormal.z)));
|
||
|
|
TnormalTex3 = pow(TnormalTex3,pFac)*2.0-1.0;
|
||
|
|
TnormalTex3 = lerp(half3(0.0,0.0,1.0), (half3)TnormalTex3.rgb, _NormalStrength);
|
||
|
|
tNormal = lerp((half3)tNormal, half3(tNormal.xy + TnormalTex3.xy, tNormal.z * TnormalTex3.z),saturate(lerp((half)0.0, (half)1.0, _turbulenceFactor)));
|
||
|
|
|
||
|
|
nFac = saturate((0.0+lerp((half)2.0, (half)0.0, uvScreen.w/4000.0)));
|
||
|
|
tNormal = lerp(half3(0,0,1), (half3)tNormal, nFac);
|
||
|
|
|
||
|
|
|
||
|
|
//Rolling Wave Normals and Height
|
||
|
|
half4 RnormalTex0 = tex2D(_NormalTexR, uvs * _lgWaveScale + (flowSpeed*0.0625) + (waveOff1*_lgWaveScale));
|
||
|
|
half4 RnormalTex1 = tex2D(_NormalTexR, uvs * _lgWaveScale + (flowSpeed*0.125) + (waveOff1*_lgWaveScale));
|
||
|
|
|
||
|
|
RnormalTex0.rgb = pow(RnormalTex0.rgb,pFac)*2.0-1.0;
|
||
|
|
RnormalTex1.rgb = pow(RnormalTex1.rgb,pFac)*2.0-1.0;
|
||
|
|
|
||
|
|
RnormalTex0.a = saturate(lerp((half)-0.035, (half)0.5, RnormalTex0.a));
|
||
|
|
RnormalTex1.a = saturate(lerp((half)-0.035, (half)0.5, RnormalTex1.a));
|
||
|
|
|
||
|
|
RnormalTex0.rgb = lerp(half3(0.0,0.0,1.0), (half3)RnormalTex0.rgb, _NormalStrength);
|
||
|
|
RnormalTex1.rgb = lerp(half3(0.0,0.0,1.0), (half3)RnormalTex1.rgb, _NormalStrength);
|
||
|
|
|
||
|
|
half rHeight = saturate(RnormalTex0.a + RnormalTex1.a);
|
||
|
|
half3 rNormal = float3(RnormalTex0.xy + RnormalTex1.xy, RnormalTex0.z * RnormalTex1.z);
|
||
|
|
|
||
|
|
nFac = saturate((0.0+lerp((half)1.0, (half)0.0,uvScreen.w/6000.0)));
|
||
|
|
rNormal = lerp(half3(0.0,0.0,1), (half3)rNormal,nFac);
|
||
|
|
|
||
|
|
|
||
|
|
//final combine
|
||
|
|
float4 uv0 = uvScreen;
|
||
|
|
uv0 = float4(max(0.001f, uv0.x),max(0.001f, uv0.y),max(0.001f, uv0.z),max(0.001f, uv0.w));
|
||
|
|
screenShoreline = tex2Dproj(_suimono_shorelineTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
|
||
|
|
n = lerp((half3)cNormal, half3(cNormal.xy + tNormal.xy, cNormal.z * tNormal.z), _turbulenceFactor);
|
||
|
|
n = lerp((half3)n, half3(rNormal.xy + n.xy, rNormal.z * n.z), saturate(lerp((half)-0.7, (half)1.2, _lgWaveHeight)));
|
||
|
|
heightMask = (cHeight * _heightScale * 2);
|
||
|
|
heightMask += (tHeight * _heightScale * 2);
|
||
|
|
heightMask += (rHeight * _lgWaveHeight * 2);
|
||
|
|
heightMaskRWave = lerp((half)heightMask, (half)rHeight, saturate(lerp((half)0.0, (half)1.0, _lgWaveHeight)));
|
||
|
|
|
||
|
|
//Shore Map
|
||
|
|
float2 flowmap = float2(saturate(screenShoreline.r),_shorelineScale) * 2 *_shorelineFrequency;
|
||
|
|
half3 flowWaves = tex2D(_WaveTex,(float2(2.5,uvWave.y)*flowmap)-float2(_Time.x*_shorelineSpeed,1.0)).rgb * saturate(screenShoreline.r);
|
||
|
|
tempWaves = saturate(lerp((float)flowWaves.r, (float)flowWaves.g, screenShoreline.g)) * screenShoreline.r;
|
||
|
|
|
||
|
|
//final height
|
||
|
|
heightMask += (tempWaves.r * _shorelineHeight * lerp((half)0.464646, (half)1.0, _Suimono_isLinear));
|
||
|
|
|
||
|
|
//final normal
|
||
|
|
n = lerp((half3)n, half3(1,1,1), saturate(flowWaves.g*2)*screenShoreline.g * _shorelineHeight);
|
||
|
|
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//LIGHTING --------------------------------------------------------------------------------------------------------------
|
||
|
|
half4 LightingSuimonoLight (SurfaceOutput s, half3 lightDir, half3 viewDir, half atten){
|
||
|
|
|
||
|
|
// PHYSICAL BASED RENDERING
|
||
|
|
fixed4 col = fixed4(0,0,0,1);
|
||
|
|
float foamFac = foamDepth * _enableFoam * _FoamColor.a;
|
||
|
|
_roughness = lerp((float)_roughness, (float)0.5 * _roughness, foamFac);
|
||
|
|
_reflecTerm = lerp((float)_reflecTerm, (float)1.0, foamFac);
|
||
|
|
|
||
|
|
//------------------------------
|
||
|
|
//## WORLD LIGHT FUNCTIONS ##
|
||
|
|
//------------------------------
|
||
|
|
half4 outLight = _LightColor0;
|
||
|
|
|
||
|
|
//-------------------------------
|
||
|
|
//## LIGHT TERM CALCULATION ##
|
||
|
|
//-------------------------------
|
||
|
|
s.Normal = normalize(s.Normal);
|
||
|
|
|
||
|
|
half NdotV = max(0,dot((half3)s.Normal,(half3)viewDir));
|
||
|
|
half h = max(0,dot((half3)s.Normal, normalize((half3)lightDir+(half3)viewDir)));
|
||
|
|
|
||
|
|
//------------------------------------
|
||
|
|
//## FRESNEL CALCULATION (Schlick) ##
|
||
|
|
//------------------------------------
|
||
|
|
half fresnel;
|
||
|
|
fresnel = _reflecTerm+(1.0-_reflecTerm)*pow((dot((half3)s.Normal, normalize((half3)lightDir+(half3)viewDir))),5);
|
||
|
|
fresnel = fresnel * (_reflecTerm+(1.0-_reflecTerm)*pow((1.0-NdotV),5));
|
||
|
|
fresnel = saturate(max(fresnel,_reflecTerm+(1.0-_reflecTerm)*pow((1.0-NdotV),5)));
|
||
|
|
//sharpen reflection
|
||
|
|
fresnel = saturate(lerp((half)_reflecSharp, (half)1.0, fresnel));
|
||
|
|
|
||
|
|
//--------------------------------------------
|
||
|
|
//## NORMAL DISTRIBUTION FUNCTIONS (ggx) ##
|
||
|
|
//--------------------------------------------
|
||
|
|
half ndf = 1.0;
|
||
|
|
float ms = pow((_roughness),1.5);
|
||
|
|
ndf = (ms*ms)/pow(((h*h)*((ms*ms)-1.0)+1.0),2.0);
|
||
|
|
|
||
|
|
//----------------------------------------------
|
||
|
|
//## NORMAL DISTRIBUTION FUNCTIONS 2 (ggx) ##
|
||
|
|
//----------------------------------------------
|
||
|
|
half ndf2 = 1.0;
|
||
|
|
float ms2 = pow((_roughness2),1.5);
|
||
|
|
ndf2 = (ms2*ms2)/pow(((h*h)*((ms2*ms2)-1.0)+1.0),2.0);
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
//## GEOMETRY FUNCTIONS (Implicit) ##
|
||
|
|
//-------------------------------------
|
||
|
|
half gf = max(0,dot((half3)s.Normal, (half3)lightDir))*NdotV;
|
||
|
|
|
||
|
|
//-----------------------------
|
||
|
|
//## FINAL COMBINATION ##
|
||
|
|
//-----------------------------
|
||
|
|
|
||
|
|
//Blend Color
|
||
|
|
screenCausticsDistort.rgb = lerp((fixed3)screenCausticsDistort.rgb, (fixed3)screenCausticsDistort.rgb*(_BlendColor.rgb*2),_BlendColor.a);
|
||
|
|
col.rgb = screenCausticsDistort.rgb;
|
||
|
|
|
||
|
|
//depth color
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)_shallowColor.rgb*outLight.rgb, saturate(_shallowMask) * _shallowColor.a);
|
||
|
|
col.rgb = lerp((fixed3)col.rgb * lerp(fixed3(1.0,1.0,1.0), lerp(fixed3(0.65,0.65,0.65), fixed3(0.85,0.85,0.85), fresnel), saturate(_shallowMask)), col.rgb, atten);
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)_depthColor.rgb * (fixed3)outLight.rgb, saturate(_depthMask) * _depthColor.a);
|
||
|
|
col.rgb = col.rgb * lerp(fixed3(1.4,1.4,1.4), fixed3(1,1,1), _Suimono_isLinear);
|
||
|
|
col.rgb = lerp((fixed3)col.rgb * lerp(fixed3(1,1,1), lerp(fixed3(0.25,0.25,0.25), fixed3(0.45,0.45,0.45), fresnel), saturate(_depthMask)), col.rgb, atten);
|
||
|
|
|
||
|
|
//blend distance (turned off)
|
||
|
|
//col.rgb = lerp((fixed3)_depthColor.rgb*(fixed3)outLight.rgb, (fixed3)col.rgb, transDist);
|
||
|
|
|
||
|
|
//sub surface color
|
||
|
|
half sss= saturate(lerp((half)-5, (half)0.8, dot((half3)viewDir,(half3)-lightDir))) * saturate(0.1+s.Normal.z);
|
||
|
|
col.rgb = ((fixed3)col.rgb + (fixed3)_SSSColor.rgb * lerp(fixed3(1,1,1), fixed3(2.2,2.2,2.2),_Suimono_isLinear) * outLight.rgb * sss * h);
|
||
|
|
|
||
|
|
//blend overlay Color
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)_OverlayColor.rgb, _OverlayColor.a);
|
||
|
|
|
||
|
|
//overall transparency blend
|
||
|
|
if (suimono_trans_on == 1.0){
|
||
|
|
screenTransparent.rgb = lerp((fixed3)col.rgb, (fixed3)screenTransparent.rgb, transDist);
|
||
|
|
col.rgb = lerp((fixed3)screenTransparent.rgb, (fixed3)col.rgb, _overallTransparency);
|
||
|
|
} else {
|
||
|
|
col.rgb = col.rgb * outLight.rgb;
|
||
|
|
}
|
||
|
|
|
||
|
|
//overall brightness blend
|
||
|
|
col.rgb = col.rgb * _overallBrightness;
|
||
|
|
|
||
|
|
//Combine Reflections
|
||
|
|
half refFac = 1.0;
|
||
|
|
half refTerm = lerp(max((half)useReflectColor.r, max((half)useReflectColor.g, (half)useReflectColor.b)), (half)1.0, _reflecTerm);
|
||
|
|
refTerm = refTerm * (fresnel*refFac);
|
||
|
|
refTerm = refTerm *lerp(lerp((half)0.1, (half)0.6, fresnel), (half)1.0, atten);
|
||
|
|
refTerm = refTerm * reflectMask;
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)useReflectColor.rgb * (fixed3)_ReflectionColor.rgb * 0.5, refTerm*_ReflectionColor.a);
|
||
|
|
|
||
|
|
//adjust wave height coloring based on beaufort model
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)_shallowColor.rgb*(fixed3)outLight.rgb, saturate(lerp(-0.2,0.3,heightMask*(heightMaskRWave/10.0)))*0.1*saturate(lerp(-2.0,1.0,_beaufortScale)));
|
||
|
|
|
||
|
|
//combine transparent edge
|
||
|
|
if (suimono_trans_on == 1.0){
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)screenTransparent.rgb, edgeDepth);
|
||
|
|
}
|
||
|
|
|
||
|
|
//add direct light casting
|
||
|
|
//col.rgb = saturate(col.rgb);
|
||
|
|
|
||
|
|
//combine specular
|
||
|
|
if (suimono_trans_on == 1.0){
|
||
|
|
//rough
|
||
|
|
col.rgb = col.rgb + (lerp((((fixed3(ndf2,ndf2,ndf2) * fixed3(h,h,h) * lerp(fixed3(1,1,1), fixed3(0.1,0.1,0.1), _roughness))) * _SpecularColor.rgb * outLight.a),0.0,edgeDepth)*_SpecularColor.a);
|
||
|
|
|
||
|
|
//bright old
|
||
|
|
//col.rgb = col.rgb + lerp((((fixed3(ndf,ndf,ndf) * fixed3(h,h,h) * lerp(fixed3(1,1,1), fixed3(0.1,0.1,0.1), _roughness)) * atten) * outLight.rgb)*1.75,0.0,edgeDepth);
|
||
|
|
|
||
|
|
//bright new
|
||
|
|
float hotspec = lerp((((fixed3(ndf,ndf,ndf) * fixed3(h,h,h) * lerp(fixed3(1,1,1), fixed3(0.1,0.1,0.1), _roughness)) * atten) )*1.75,0.0,edgeDepth);
|
||
|
|
col.rgb = col.rgb + saturate(hotspec) * outLight.rgb * _specularPower;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
//rough
|
||
|
|
col.rgb = col.rgb + ((((fixed3(ndf2,ndf2,ndf2) * fixed3(h,h,h) * lerp(fixed3(1,1,1), fixed3(0.1,0.1,0.1), _roughness))) * _SpecularColor.rgb * outLight.a) * _SpecularColor.a);
|
||
|
|
//bright
|
||
|
|
col.rgb = col.rgb + (((fixed3(ndf,ndf,ndf) * fixed3(h,h,h) * lerp(fixed3(1,1,1), fixed3(0.1,0.1,0.1), _roughness)) * atten) * outLight.rgb)*1.75;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//atten
|
||
|
|
half3 oCol = col.rgb;
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)col.rgb * fixed3(atten,atten,atten), atten);
|
||
|
|
|
||
|
|
//combine foam
|
||
|
|
half4 foam;
|
||
|
|
foamDepth = (foamDepth);
|
||
|
|
foam.a = (foamDepth * _FoamColor.a);
|
||
|
|
|
||
|
|
foam.rgb = _FoamColor.rgb;
|
||
|
|
|
||
|
|
//combine extreme edge darken
|
||
|
|
foam.rgb = lerp((half3)foam.rgb, half3(0,0,0), edgeDarkenDepth*0.4*_FoamColor.a);
|
||
|
|
|
||
|
|
//atten
|
||
|
|
foam.rgb = (foam.rgb * lerp(half3(0.4,0.4,0.4), half3(1,1,1), atten));
|
||
|
|
|
||
|
|
//combine bright specular
|
||
|
|
half spc = ((ndf * h * lerp((half)1.0, (half)0.1, _roughness)) * atten);
|
||
|
|
|
||
|
|
//fresnel reduction
|
||
|
|
foam.a = foam.a * lerp((half)1.0, (half)0.8, fresnel-(spc*1.75));
|
||
|
|
|
||
|
|
//foam Lighting
|
||
|
|
foam.rgb = foam.rgb * outLight.rgb;
|
||
|
|
|
||
|
|
//Add foam to main Return
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)foam.rgb, foamDepth * _FoamColor.a * (1.0-edgeDarkenDepth));
|
||
|
|
|
||
|
|
//atten (note: destroys proper shadow rendering)
|
||
|
|
col.rgb = col.rgb * atten;
|
||
|
|
|
||
|
|
//temp
|
||
|
|
if (_sui_metalTestMode == 2){
|
||
|
|
col.rgb = screenTransparent.rgb;
|
||
|
|
}
|
||
|
|
if (_sui_metalTestMode == 3){
|
||
|
|
col.rgb = screenTransparentDistort.rgb;
|
||
|
|
}
|
||
|
|
|
||
|
|
col.a = (s.Alpha);
|
||
|
|
|
||
|
|
return col;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//LIGHTING UNDER --------------------------------------------------------------------------------------------------------------
|
||
|
|
half4 LightingSuimonoLightUnder (SurfaceOutput s, half3 lightDir, half3 viewDir, half atten){
|
||
|
|
|
||
|
|
// PHYSICAL BASED RENDERING
|
||
|
|
fixed4 col = fixed4(0,0,0,1);
|
||
|
|
_roughness = lerp((float)_roughness, (float)0.7, foamDepth);
|
||
|
|
_reflecTerm = lerp((float)_reflecTerm, (float)0.0, foamDepth);
|
||
|
|
|
||
|
|
//set beaufort scale settings
|
||
|
|
_ReflectionColor.a = lerp(_ReflectionColor.a, max(min(_ReflectionColor.a,saturate(1.0-(_beaufortScale*1.6))),0.05), _beaufortFlag);
|
||
|
|
|
||
|
|
//------------------------------
|
||
|
|
//## WORLD LIGHT FUNCTIONS ##
|
||
|
|
//------------------------------
|
||
|
|
half4 outLight = _LightColor0;
|
||
|
|
|
||
|
|
//-------------------------------
|
||
|
|
//## LIGHT TERM CALCULATION ##
|
||
|
|
//-------------------------------
|
||
|
|
s.Normal = normalize(-s.Normal * half3(1.0,lerp((half)2.2, (half)1.0, _Suimono_isLinear),1.0));
|
||
|
|
half NdotV = dot((half3)s.Normal, (half3)viewDir);
|
||
|
|
half h = max(0,dot((half3)s.Normal, normalize((half3)lightDir+(half3)viewDir)));
|
||
|
|
|
||
|
|
//underwater
|
||
|
|
_reflecTerm = 0.1;
|
||
|
|
|
||
|
|
//------------------------------------
|
||
|
|
//## FRESNEL CALULATION (Schlick) ##
|
||
|
|
//------------------------------------
|
||
|
|
half fresnel;
|
||
|
|
fresnel = _reflecTerm+(1.0-_reflecTerm)*pow((dot((half3)s.Normal, normalize((half3)lightDir+(half3)viewDir))),5);
|
||
|
|
fresnel = fresnel * (_reflecTerm+(1.0-_reflecTerm)*pow((1.0-NdotV),5));
|
||
|
|
fresnel = saturate(max(fresnel,_reflecTerm+(1.0-_reflecTerm)*pow((1.0-NdotV),5)));
|
||
|
|
//sharpen reflection
|
||
|
|
fresnel = saturate(lerp((half)_reflecSharp, (half)1.0, fresnel));
|
||
|
|
|
||
|
|
//--------------------------------------------
|
||
|
|
//## NORMAL DISTRIBUTION FUNCTIONS (ggx) ##
|
||
|
|
//--------------------------------------------
|
||
|
|
half ndf = 1.0;
|
||
|
|
float ms = pow((max(0.001f,_roughness)*1.75),1.5);
|
||
|
|
ndf = (ms*ms)/pow(((h*h)*((ms*ms)-1.0)+1.0),2.0);
|
||
|
|
|
||
|
|
//-----------------------------
|
||
|
|
//## FINAL COMBINATION ##
|
||
|
|
//-----------------------------
|
||
|
|
half transMask = saturate(lerp((half)2.0, (half)0.0, underwaterDistance));
|
||
|
|
|
||
|
|
//reflection of underwater scene
|
||
|
|
half underREFL = (saturate(lerp((half)1.5, (half)0.0, fresnel)));
|
||
|
|
|
||
|
|
useReflectColor.rgb = lerp((float3)_UnderwaterColor.rgb, (float3)useReflectColor.rgb * (float3)_ReflectionColor.rgb, _ReflectionColor.a);
|
||
|
|
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, lerp((fixed3)_UnderwaterColor.rgb, ((fixed3)_UnderwaterColor.rgb * fixed3(2,2,2)) + (fixed3)useReflectColor.rgb, (useReflectColor.a/10.0)), _isPlaying);
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)useReflectColor.rgb * fixed3(0.75,0.75,0.75), saturate(lerp(fixed3(-2,-2,-2), fixed3(6,6,6), dot((fixed3)-viewDir*fixed3(1,2.2,1),fixed3(0,1,0)))) * _isPlaying ) * (fixed3)outLight.rgb * outLight.a;
|
||
|
|
|
||
|
|
//atten
|
||
|
|
col.rgb = col.rgb * atten;
|
||
|
|
|
||
|
|
half underREFL2 = saturate(lerp((half)2.0, (half)0.0, fresnel*6.5));
|
||
|
|
half underREFL3 = saturate(lerp((half)-2.0, (half)35.0, saturate(underREFL2)));
|
||
|
|
|
||
|
|
if (suimono_trans_on == 1.0){
|
||
|
|
//col.rgb = lerp(col.rgb, screenTransparentDistort.rgb* lerp(1.0,1.0,_Suimono_isLinear), underREFL3 * _isPlaying);
|
||
|
|
fixed tFac = lerp((fixed)1.0, (fixed)0.1, _roughness);
|
||
|
|
col.rgb = lerp((fixed3)col.rgb, (fixed3)screenTransparentDistort.rgb * 0.5, underREFL3 * _isPlaying);
|
||
|
|
col.rgb = col.rgb + lerp(fixed3(0,0,0), lerp(((saturate(fixed3(ndf,ndf,ndf) * fixed3(h,h,h) * fixed3(tFac,tFac,tFac)) * fixed3(atten,atten,atten)) * (fixed3)outLight.rgb)*fixed3(2,2,2), fixed3(0,0,0), edgeDepth),underREFL3 * _isPlaying);
|
||
|
|
}
|
||
|
|
|
||
|
|
//darken back side
|
||
|
|
col.rgb = lerp(((fixed3)_UnderwaterColor.rgb * (fixed3)outLight.rgb * (fixed3)outLight.a), (fixed3)col.rgb, saturate(underREFL + 0.2));
|
||
|
|
col.a = transMask;
|
||
|
|
|
||
|
|
return col;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//SURFACE --------------------------------------------------------------------------------------------------------------
|
||
|
|
void SuimonoSurf (Input IN, inout SurfaceOutput o) {
|
||
|
|
|
||
|
|
//get normal data
|
||
|
|
float4 uv0 = IN.screenPos;
|
||
|
|
uv0 = float4(max(0.001f, uv0.x),max(0.001f, uv0.y),max(0.001f, uv0.z),max(0.001f, uv0.w));
|
||
|
|
o.Normal = SuimonoCalcNormal(IN.uv_NormalTexS, IN.uv3_WaveTex.y, uv0);
|
||
|
|
|
||
|
|
//get screen Textures ------------------------------------------------------------------------------------------------------
|
||
|
|
float4 uv6 = IN.screenPos;
|
||
|
|
uv6 = float4(max(0.001f, uv6.x),max(0.001f, uv6.y),max(0.001f, uv6.z),max(0.001f, uv6.w));
|
||
|
|
uv6.y = uv6.y - 1 * ((heightMask * _heightProjection) + heightMaskRWave) * _heightScale;
|
||
|
|
screenNormals = tex2Dproj(_suimono_NormalsTex, UNITY_PROJ_COORD(uv6));
|
||
|
|
//screenWakeMask = tex2Dproj(_suimono_WakeTex, UNITY_PROJ_COORD(uv6));
|
||
|
|
|
||
|
|
//surface depth gen
|
||
|
|
//shoreMap = tex2D(_suimono_shorelineTex, UNITY_PROJ_COORD(uv6));
|
||
|
|
|
||
|
|
//Blend screen normals with surface normals --------------------------------------------------------------------------------
|
||
|
|
screenNormals.rgb = max(screenNormals.rgb,half3(0.25,0.25,1.0));
|
||
|
|
half3 normalsMask = normalize(((half3)screenNormals.rgb*lerp((half)1.0, (half)2.2, _Suimono_isLinear))*2.0-1.0);
|
||
|
|
#if UNITY_CAN_COMPILE_TESSELLATION
|
||
|
|
//better normal combination available in dx11
|
||
|
|
o.Normal = lerp(o.Normal,half3(0,0,1),screenNormals.a);
|
||
|
|
#endif
|
||
|
|
o.Normal = float3(o.Normal.xy + normalsMask.xy, o.Normal.z*normalsMask.z);
|
||
|
|
|
||
|
|
//get distorted screen Textures --------------------------------------------------------------------------------------------
|
||
|
|
float4 uv1 = IN.screenPos;
|
||
|
|
uv1 = float4(max(0.001f, uv1.x),max(0.001f, uv1.y),max(0.001f, uv1.z),max(0.001f, uv1.w));
|
||
|
|
uv1.y = uv1.y - (o.Normal.y *_RefractStrength);
|
||
|
|
|
||
|
|
if (suimono_trans_on == 1.0){
|
||
|
|
screenTransparent = tex2Dproj(_suimono_TransTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
screenTransparentDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
} else {
|
||
|
|
screenTransparent = half4(_depthColor.r,_depthColor.g,_depthColor.b,0.0);
|
||
|
|
screenTransparentDistort = half4(_depthColor.r,_depthColor.g,_depthColor.b,0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
//calculate water depth masks ---------------------------------------------------------------------------------------------
|
||
|
|
float sceneZ1 = 0;
|
||
|
|
float sceneZ2 = 0;
|
||
|
|
|
||
|
|
#if UNITY_CAN_COMPILE_TESSELLATION
|
||
|
|
//DX11
|
||
|
|
sceneZ1 = Linear01Depth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv0)).r);
|
||
|
|
sceneZ2 = Linear01Depth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv1)).r);
|
||
|
|
|
||
|
|
depthDifferential = (screenTransparentDistort.a-sceneZ2);
|
||
|
|
foamDifferential = ((screenTransparent.a)-(sceneZ1));
|
||
|
|
|
||
|
|
float clipDist = (1.0/_ProjectionParams.w);
|
||
|
|
float rawDepth = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv1)).r);
|
||
|
|
float surfaceRawDepth = screenTransparentDistort.a * clipDist;
|
||
|
|
depthDifferential = saturate((surfaceRawDepth - rawDepth) / 800.0);
|
||
|
|
sceneZ2 = rawDepth * clipDist;
|
||
|
|
|
||
|
|
float rawDepth2 = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv0)).r);
|
||
|
|
float surfaceRawDepth2 = screenTransparent.a * clipDist;
|
||
|
|
foamDifferential = saturate((surfaceRawDepth2 - rawDepth2) / 800.0);
|
||
|
|
sceneZ1 = rawDepth2 * clipDist;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
_distortMask = saturate(saturate(lerp((float)-0.1, (float)1.0, 100.0 * depthDifferential))*20.0);
|
||
|
|
|
||
|
|
//fix distort
|
||
|
|
//_distortMask = lerp((float)0, _distortMask, step(sceneZ1,sceneZ2+0.35));
|
||
|
|
depthDifferential = lerp(foamDifferential, depthDifferential, _distortMask);
|
||
|
|
edgeDepth = saturate(lerp((float)1.0, (float)-10.0, _EdgeFade * depthDifferential));
|
||
|
|
edgeDarkenDepth = saturate(lerp((float)1.0, (float)-10.0, 800 * depthDifferential));
|
||
|
|
float foamSpread = saturate(lerp((float)1.0, (float)-20.0, _EdgeFoamFade * depthDifferential)*2);
|
||
|
|
foamSpread = foamSpread - saturate(lerp((float)1.0, (float)-10.0, 1000.0 * depthDifferential));
|
||
|
|
refractDepth = saturate(lerp((float)1.0, (float)-2.0, _RefractFade * depthDifferential));
|
||
|
|
_depthMask = saturate(lerp((float)0.0, (float)2.0,_DepthFade * depthDifferential));
|
||
|
|
_shallowMask = saturate(lerp((float)0.0, (float)2.0,_ShallowFade * depthDifferential));
|
||
|
|
screenDepthMask = half4(edgeDepth,foamSpread,0,0);
|
||
|
|
screenDepthMaskDistort = half4(edgeDepth,foamDepth,0,0);
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
//DX9
|
||
|
|
sceneZ1 = Linear01Depth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv0)).r);
|
||
|
|
sceneZ2 = Linear01Depth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv1)).r);
|
||
|
|
depthDifferential = ((screenTransparentDistort.a+0.0001)-((sceneZ2-0.0003)));
|
||
|
|
foamDifferential = ((screenTransparent.a)-(sceneZ1));
|
||
|
|
|
||
|
|
float clipDist = (1.0/_ProjectionParams.w);
|
||
|
|
|
||
|
|
float rawDepth = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv1)).r);
|
||
|
|
float surfaceRawDepth = screenTransparentDistort.a * clipDist;
|
||
|
|
depthDifferential = saturate((surfaceRawDepth - rawDepth) / 800.0);
|
||
|
|
sceneZ2 = rawDepth * clipDist;
|
||
|
|
|
||
|
|
float rawDepth2 = LinearEyeDepth(SAMPLE_DEPTH_TEXTURE_PROJ(_CameraDepthTexture, UNITY_PROJ_COORD(uv0)).r);
|
||
|
|
float surfaceRawDepth2 = screenTransparent.a * clipDist;
|
||
|
|
foamDifferential = saturate((surfaceRawDepth2 - rawDepth2) / 800.0);
|
||
|
|
sceneZ1 = rawDepth2 * clipDist;
|
||
|
|
|
||
|
|
|
||
|
|
_distortMask = saturate(saturate(lerp((float)-0.1, (float)1.0,100.0 * depthDifferential))*20.0);
|
||
|
|
depthDifferential = lerp((float)foamDifferential, (float)depthDifferential, _distortMask);
|
||
|
|
|
||
|
|
edgeDepth = saturate(lerp((float)1.0, (float)-22.0, _EdgeFade * depthDifferential));
|
||
|
|
edgeDarkenDepth = saturate(lerp((float)1.0, (float)-22.0, 800 * depthDifferential));
|
||
|
|
half foamSpread = saturate(lerp((half)1.0, (half)-40.0, _EdgeFoamFade * depthDifferential)*2);
|
||
|
|
foamSpread = foamSpread - saturate(lerp((half)1.0, (half)-2.0, 1000.0 * depthDifferential));
|
||
|
|
refractDepth = saturate(lerp((float)1.0, (float)-5.0, _RefractFade * depthDifferential));
|
||
|
|
_depthMask = saturate(lerp((float)0.0, (float)4.1, _DepthFade * depthDifferential));
|
||
|
|
_shallowMask = saturate(lerp((float)0.0, (float)4.1, _ShallowFade * depthDifferential));
|
||
|
|
screenDepthMask = half4(edgeDepth,foamSpread,0,0);
|
||
|
|
screenDepthMaskDistort = half4(edgeDepth,foamDepth,0,0);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//calculate caustic screen textures ----------------------------------------------------------------------------------------
|
||
|
|
if (suimono_caustic_on == 1.0){
|
||
|
|
|
||
|
|
#if UNITY_CAN_COMPILE_TESSELLATION
|
||
|
|
screenCaustics = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
screenCausticsDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
#else
|
||
|
|
screenCausticsDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
screenCaustics = screenCausticsDistort;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
screenCaustics = lerp((fixed4)screenTransparent, (fixed4)screenCaustics, _causticsFlag);
|
||
|
|
|
||
|
|
//test
|
||
|
|
if (_sui_metalTestMode <= 0){
|
||
|
|
screenCausticsDistort = lerp((fixed4)screenCausticsDistort, (fixed4)screenTransparentDistort, _causticsFlag);
|
||
|
|
}
|
||
|
|
half causticFade = saturate(lerp((half)1.0, (half)-2.0, _CausticsFade * depthDifferential));
|
||
|
|
screenCaustics = lerp((fixed4)screenCaustics, (fixed4)screenTransparent, causticFade);
|
||
|
|
//test
|
||
|
|
if (_sui_metalTestMode <= 0){
|
||
|
|
screenCausticsDistort = lerp((fixed4)screenCausticsDistort, (fixed4)screenTransparentDistort, causticFade);
|
||
|
|
}
|
||
|
|
screenCaustics.rgb = screenTransparent.rgb+((screenCaustics.rgb-screenTransparent.rgb)*_CausticsColor.rgb*_CausticsColor.a);
|
||
|
|
screenCausticsDistort.rgb = screenTransparentDistort.rgb+((screenCausticsDistort.rgb-screenTransparentDistort.rgb)*_CausticsColor.rgb*_CausticsColor.a);
|
||
|
|
|
||
|
|
//remove caustic distortion artifacts
|
||
|
|
screenCausticsDistort = lerp((fixed4)screenCaustics, (fixed4)screenCausticsDistort, _distortMask);
|
||
|
|
} else {
|
||
|
|
//remove caustic transparent artifacts
|
||
|
|
screenTransparentDistort = lerp((fixed4)screenTransparent, (fixed4)screenTransparentDistort, _distortMask);
|
||
|
|
screenCaustics = screenTransparent;
|
||
|
|
screenCausticsDistort = screenTransparentDistort;
|
||
|
|
}
|
||
|
|
|
||
|
|
//calculate water distortion mask ------------------------------------------------------------------------------------------
|
||
|
|
waterMask = (sceneZ1/100.0);
|
||
|
|
waterMask = saturate(max(waterMask,screenDepthMaskDistort.a) - waterMask);
|
||
|
|
waterMask = saturate(waterMask * ((float)1.0+lerp((float)5.0, (float)-0.5, uv0.w/30.0)));
|
||
|
|
|
||
|
|
//calculate chromatic aberation offset ------------------------------------------------------------------------------------
|
||
|
|
#if UNITY_CAN_COMPILE_TESSELLATION
|
||
|
|
if(_aberrationScale > 0){
|
||
|
|
float4 uv2 = uv0;
|
||
|
|
float4 uv3 = uv0;
|
||
|
|
float abFac = _aberrationScale * saturate(lerp((float)0.04, (float)0.1+(float)screenDepthMask.a, o.Normal.y)) * (1.0-waterMask);
|
||
|
|
uv2.x = uv2.x - abFac;
|
||
|
|
uv3.x = uv3.x + abFac;
|
||
|
|
screenCaustics.r = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv2)).r;
|
||
|
|
screenCaustics.g = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv3)).g;
|
||
|
|
float4 uv4 = uv1;
|
||
|
|
float4 uv5 = uv1;
|
||
|
|
uv4.x = uv4.x - abFac;
|
||
|
|
uv5.x = uv5.x + abFac;
|
||
|
|
screenCausticsDistort.r = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv4)).r;
|
||
|
|
screenCausticsDistort.g = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv5)).g;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//Calculate reflections ----------------------------------------------------------------------------------------------------
|
||
|
|
useReflectColor = half4(1,1,1,1);
|
||
|
|
float4 uv7 = IN.screenPos;
|
||
|
|
float3 cubeRef;
|
||
|
|
half4 fallbackReflectColor = half4(1,1,1,1);
|
||
|
|
|
||
|
|
//reflection distance
|
||
|
|
reflectMask = 0.0;
|
||
|
|
|
||
|
|
//skbox reflection fallback
|
||
|
|
if (suimono_refl_sky == 1.0){
|
||
|
|
reflectMask = 1.0;
|
||
|
|
cubeRef = WorldReflectionVector(IN, o.Normal * _ReflectStrength);
|
||
|
|
cubeRef.y = cubeRef.y+0.015;
|
||
|
|
cubeRef = SuimonoRotateAroundYAxis(cubeRef, -_SkyRotation);
|
||
|
|
fallbackReflectColor.rgb = DecodeHDR(texCUBE(_SkyCubemap, cubeRef), _SkyCubemap_HDR);
|
||
|
|
useReflectColor = fallbackReflectColor;
|
||
|
|
useReflectColor = useReflectColor * _SkyTint * _SkyExposure * 2.2;
|
||
|
|
}
|
||
|
|
|
||
|
|
//cubemap reflection fallback
|
||
|
|
if (suimono_refl_cube == 1.0){
|
||
|
|
reflectMask = 1.0;
|
||
|
|
cubeRef = WorldReflectionVector(IN, o.Normal * _ReflectStrength);
|
||
|
|
fallbackReflectColor.rgb = texCUBE(_CubeTex, cubeRef).rgb;
|
||
|
|
useReflectColor = fallbackReflectColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
//color reflection fallback
|
||
|
|
if (suimono_refl_color == 1.0){
|
||
|
|
reflectMask = 1.0;
|
||
|
|
fallbackReflectColor = _reflectFallbackColor;
|
||
|
|
useReflectColor = fallbackReflectColor;
|
||
|
|
}
|
||
|
|
|
||
|
|
//dynamic Reflection
|
||
|
|
if (suimono_dynrefl_on == 1.0){
|
||
|
|
reflectMask = 1.0;
|
||
|
|
uv7 = float4(max(0.001f, uv7.x),max(0.001f, uv7.y),max(0.001f, uv7.z),max(0.001f, uv7.w));
|
||
|
|
uv7.y = uv7.y - (2.0 * o.Normal.y * _ReflectStrength);
|
||
|
|
uv7.y = uv7.y + (screenNormals.r*0.5 + screenNormals.g*0.5)*0.2;
|
||
|
|
uv7.y = uv7.y - (heightMask*_heightProjection)*(_lgWaveHeight*0.9);
|
||
|
|
useReflectColor = lerp((float4)useReflectColor, (float4)tex2Dproj( _ReflectionTex, UNITY_PROJ_COORD(uv7)), _reflectDynamicFlag);
|
||
|
|
}
|
||
|
|
|
||
|
|
//fallback none
|
||
|
|
if (suimono_refl_off == 1.0){
|
||
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reflectMask = lerp((float)0.0, (float)reflectMask, _reflectDynamicFlag);
|
||
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}
|
||
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|
||
|
|
reflectMask = lerp((float)0.0, (float)reflectMask, _reflectFlag);
|
||
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||
|
|
//rdistance mask
|
||
|
|
reflectDistance = 1.0;
|
||
|
|
|
||
|
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|
||
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|
|
||
|
|
//CALCULATE FOAM ----------------------------------------------------------------------------------------------------------
|
||
|
|
float2 flowSpeed = float2(_suimono_Dir.x,_suimono_Dir.z)*_suimono_Dir.w;
|
||
|
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float2 waveOff1 = float2(_suimono_uvx,_suimono_uvy);
|
||
|
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fixed4 foamTex = tex2D(_FoamTex, (IN.uv_NormalTexS * _foamScale) + (flowSpeed*_foamSpeed) + (waveOff1 * _foamScale) - (tbNormal.xy * 5 * tbNormal.z));
|
||
|
|
fixed4 foamMask = tex2D(_FoamTex, (IN.uv_NormalTexS * _foamScale * 0.0625) + (flowSpeed*_foamSpeed*0.0625) + (waveOff1 * _foamScale * 0.0625) - (tbNormal.xy * 5 * tbNormal.z));
|
||
|
|
|
||
|
|
#if UNITY_CAN_COMPILE_TESSELLATION
|
||
|
|
half ffac1 = -20.0;
|
||
|
|
half ffac2 = -10.0;
|
||
|
|
#else
|
||
|
|
half ffac1 = -40.0;
|
||
|
|
half ffac2 = -20.0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//edge foam coverage
|
||
|
|
half foamCover = saturate(lerp((half)foamTex.b, (half)ffac1, _EdgeFoamFade * 1.1 * foamDifferential));
|
||
|
|
foamCover = foamCover + saturate(lerp((half)foamTex.r, (half)ffac1, _EdgeFoamFade * foamDifferential)*0.7);
|
||
|
|
foamCover = foamCover + saturate(lerp((half)foamTex.g, (half)ffac1, _EdgeFoamFade * 0.9 * foamDifferential)*0.5);
|
||
|
|
foamDepth = foamDepth + foamCover;
|
||
|
|
|
||
|
|
//clamp foam edges
|
||
|
|
foamDepth = saturate(foamDepth * ((edgeDepth*0.75 - foamDepth*0.5))*2.5);
|
||
|
|
|
||
|
|
//wake foam coverage
|
||
|
|
half wFoam = saturate(lerp((half)0.0, (half)foamTex.b, _EdgeFoamFade * 1.5 * screenWakeMask.r)*0.2);
|
||
|
|
wFoam = wFoam + saturate(lerp((half)0.0, (half)foamTex.r*(half)0.2, _EdgeFoamFade * screenWakeMask.g));
|
||
|
|
wFoam = wFoam + saturate(lerp((half)0.0, (half)foamTex.g*(half)0.2, _EdgeFoamFade * 0.2 * screenWakeMask.r));
|
||
|
|
foamDepth = foamDepth + wFoam;
|
||
|
|
|
||
|
|
//height wave foam (turbulence)
|
||
|
|
half heightFoam = heightMask/(5*_HeightFoamHeight);
|
||
|
|
heightFoam = lerp((half)0.0, (half)_HeightFoamAmt, heightFoam);
|
||
|
|
foamDepth = foamDepth + (saturate(lerp((float)-1.1, (float)foamTex.a*(float)0.6, heightFoam)))*foamMask.r;
|
||
|
|
foamDepth = foamDepth + (saturate(lerp((float)-1.9, (float)foamTex.a*(float)0.6, heightFoam)))*foamMask.r;
|
||
|
|
foamDepth = foamDepth + (saturate(lerp((float)-0.7, (float)foamTex.g*(float)0.55, heightFoam)))*foamMask.r;
|
||
|
|
foamDepth = foamDepth + (saturate(lerp((float)-1.6, (float)foamTex.r*(float)0.75, heightFoam)))*foamMask.a;
|
||
|
|
foamDepth = saturate(foamDepth);
|
||
|
|
|
||
|
|
//shoreline foam
|
||
|
|
half shoreFoam = saturate(lerp((half)0.0, lerp((half)foamTex.g, (half)foamTex.b, screenShoreline.g)*(half)2, tempWaves.g*5));
|
||
|
|
shoreFoam += saturate(lerp((half)0.0, lerp((half)foamTex.g, (half)foamTex.r, screenShoreline.g)*(half)2, flowWaves.g*5));
|
||
|
|
shoreFoam += saturate(lerp((half)0.0, (half)foamTex.r*(half)2, tempWaves.g*5));
|
||
|
|
shoreFoam += saturate(lerp((half)0.0, lerp((half)foamTex.r, (half)foamTex.b, screenShoreline.g)*(half)8, (screenShoreline.g * 0.2 * flowWaves.b)));
|
||
|
|
foamDepth += shoreFoam * _ShallowFoamAmt * screenShoreline.g;
|
||
|
|
foamDepth = saturate(foamDepth);
|
||
|
|
|
||
|
|
if (_enableFoam == 0){
|
||
|
|
foamDepth = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//set transparent distance mask
|
||
|
|
transDist = saturate((0.0+lerp((float)1.0, (float)0.0, uv0.w/(_suimonoTransDist*0.65) )));
|
||
|
|
|
||
|
|
//set surface properties ---------------------------------------------------------------------------------------------------
|
||
|
|
o.Albedo = 0.0;
|
||
|
|
o.Alpha = 1.0;
|
||
|
|
|
||
|
|
//Clip shoreline
|
||
|
|
//half3 shoreTex = tex2Dproj(_suimono_shorelineTex, UNITY_PROJ_COORD(IN.screenPos)).rgb;
|
||
|
|
//clip (0.0 - shoreTex.b);
|
||
|
|
|
||
|
|
//TEST
|
||
|
|
if (_sui_metalTestMode == 1){
|
||
|
|
screenTransparent = tex2Dproj(_suimono_TransTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
screenTransparentDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
}
|
||
|
|
if (_sui_metalTestMode == 2){
|
||
|
|
screenTransparent = tex2Dproj(_suimono_TransTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
screenTransparentDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
}
|
||
|
|
if (_sui_metalTestMode == 3){
|
||
|
|
screenTransparent = tex2Dproj(_suimono_TransTex, UNITY_PROJ_COORD(uv0));
|
||
|
|
screenTransparentDistort = tex2Dproj(_suimono_CausticTex, UNITY_PROJ_COORD(uv1));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}
|