149 lines
4.3 KiB
HLSL
149 lines
4.3 KiB
HLSL
//Stylized Water 2
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//Staggart Creations (http://staggart.xyz)
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//Copyright protected under Unity Asset Store EULA
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#if UNITY_VERSION >= 202120
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#define bakedLightmapUV staticLightmapUV
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#else
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#define bakedLightmapUV lightmapUV
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#endif
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struct Attributes
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{
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float4 positionOS : POSITION;
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float4 uv : TEXCOORD0;
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float4 normalOS : NORMAL;
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float4 tangentOS : TANGENT;
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float4 color : COLOR0;
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float2 bakedLightmapUV : TEXCOORD1;
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float2 dynamicLightmapUV : TEXCOORD2;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct Varyings
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{
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float4 uv : TEXCOORD0;
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DECLARE_LIGHTMAP_OR_SH(bakedLightmapUV, vertexSH, 8); //Called staticLightmapUV in URP12+
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half4 fogFactorAndVertexLight : TEXCOORD2; // x: fogFactor, yzw: vertex light
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#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR) //No shadow cascades
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float4 shadowCoord : TEXCOORD3;
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#endif
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//wPos.x in w-component
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float4 normalWS : NORMAL;
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#if _NORMALMAP
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//wPos.y in w-component
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float4 tangent : TANGENT;
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//wPos.z in w-component
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float4 bitangent : TEXCOORD4;
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#else
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float3 positionWS : TEXCOORD4;
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#endif
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float4 screenPos : TEXCOORD5;
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#ifdef DYNAMICLIGHTMAP_ON
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float2 dynamicLightmapUV : TEXCOORD9; // Dynamic lightmap UVs
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#endif
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float4 positionCS : SV_POSITION;
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float4 color : COLOR0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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UNITY_VERTEX_OUTPUT_STEREO
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};
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Varyings LitPassVertex(Attributes input)
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{
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Varyings output = (Varyings)0;
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UNITY_SETUP_INSTANCE_ID(input);
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UNITY_TRANSFER_INSTANCE_ID(input, output);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
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#if defined(CURVEDWORLD_IS_INSTALLED) && !defined(CURVEDWORLD_DISABLED_ON)
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#if defined(CURVEDWORLD_NORMAL_TRANSFORMATION_ON)
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CURVEDWORLD_TRANSFORM_VERTEX_AND_NORMAL(input.positionOS, input.normalOS.xyz, input.tangentOS)
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#else
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CURVEDWORLD_TRANSFORM_VERTEX(input.positionOS)
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#endif
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#endif
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output.uv.xy = input.uv.xy;
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output.uv.z = _TimeParameters.x;
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output.uv.w = 0;
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float3 positionWS = TransformObjectToWorld(input.positionOS.xyz);
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float3 offset = 0;
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#if MODIFIERS_ENABLED
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offset += GetDisplacementOffset(positionWS);
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#endif
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VertexNormalInputs normalInput = GetVertexNormalInputs(input.normalOS.xyz, input.tangentOS);
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float4 vertexColor = GetVertexColor(input.color.rgba, float4(_IntersectionSource > 0 ? 1 : 0, _VertexColorDepth, _VertexColorWaveFlattening, _VertexColorFoam));
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#if _WAVES && !defined(TESSELLATION_ON)
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float2 uv = GetSourceUV(input.uv.xy, positionWS.xz, _WorldSpaceUV);
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//Vertex animation
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WaveInfo waves = GetWaveInfo(uv, TIME_VERTEX * _WaveSpeed, _WaveHeight, lerp(1, 0, vertexColor.b), _WaveFadeDistance.x, _WaveFadeDistance.y);
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//Offset in direction of normals (only when using mesh uv)
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if(_WorldSpaceUV == 0) waves.position *= normalInput.normalWS.xyz;
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offset += waves.position.xyz;
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#endif
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//SampleWaveSimulationVertex(positionWS, positionWS.y);
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//Apply vertex displacements
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positionWS += offset;
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output.positionCS = TransformWorldToHClip(positionWS);
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half fogFactor = CalculateFogFactor(output.positionCS.xyz);
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output.screenPos = ComputeScreenPos(output.positionCS);
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output.normalWS = float4(normalInput.normalWS, positionWS.x);
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#if _NORMALMAP
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output.tangent = float4(normalInput.tangentWS, positionWS.y);
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output.bitangent = float4(normalInput.bitangentWS, positionWS.z);
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#else
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output.positionWS = positionWS.xyz;
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#endif
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//Lambert shading
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half3 vertexLight = 0;
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#ifdef _ADDITIONAL_LIGHTS_VERTEX
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vertexLight = VertexLighting(positionWS, normalInput.normalWS);
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#endif
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output.fogFactorAndVertexLight = half4(fogFactor, vertexLight);
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output.color = vertexColor;
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//"bakedLightmapUV" resolves to "staticLightmapUV" in URP12+
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OUTPUT_LIGHTMAP_UV(input.bakedLightmapUV, unity_LightmapST, output.bakedLightmapUV);
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#if UNITY_VERSION >= 202310
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OUTPUT_SH(positionWS, output.normalWS.xyz, GetWorldSpaceNormalizeViewDir(positionWS), output.vertexSH);
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#else
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OUTPUT_SH(output.normalWS.xyz, output.vertexSH);
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#endif
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#ifdef DYNAMICLIGHTMAP_ON
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output.dynamicLightmapUV = input.dynamicLightmapUV.xy * unity_DynamicLightmapST.xy + unity_DynamicLightmapST.zw;
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#endif
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#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
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VertexPositionInputs vertexInput = (VertexPositionInputs)0;
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vertexInput.positionWS = positionWS;
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vertexInput.positionCS = output.positionCS;
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output.shadowCoord = GetShadowCoord(vertexInput);
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#endif
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return output;
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} |