和Keyle一起学ShaderForge – Create Base Shader

// Shader created with Shader Forge v1.04 
// Shader Forge (c) Neat Corporation / Joachim Holmer - http://www.acegikmo.com/shaderforge/
// Note: Manually altering this data may prevent you from opening it in Shader Forge
/*SF_DATA;ver:1.04;sub:START;pass:START;ps:flbk:,lico:1,lgpr:1,nrmq:1,limd:1,uamb:True,mssp:True,lmpd:False,lprd:False,rprd:False,enco:False,frtr:True,vitr:True,dbil:False,rmgx:True,rpth:0,hqsc:True,hqlp:False,tesm:0,blpr:0,bsrc:0,bdst:1,culm:0,dpts:2,wrdp:True,dith:2,ufog:True,aust:True,igpj:False,qofs:0,qpre:1,rntp:1,fgom:False,fgoc:False,fgod:False,fgor:False,fgmd:0,fgcr:0.5,fgcg:0.5,fgcb:0.5,fgca:1,fgde:0.01,fgrn:0,fgrf:300,ofsf:0,ofsu:0,f2p0:False;n:type:ShaderForge.SFN_Final,id:8894,x:32590,y:32620,varname:node_8894,prsc:2|diff-6495-OUT,normal-6723-RGB;n:type:ShaderForge.SFN_Tex2d,id:2068,x:32175,y:32518,ptovrint:False,ptlb:keyleTexture,ptin:_keyleTexture,cmnt:添加一个贴图,varname:node_2068,prsc:2,tex:3da1dd3705158564c97ec7cf99c87747,ntxv:0,isnm:False;n:type:ShaderForge.SFN_Tex2d,id:6723,x:32179,y:32883,ptovrint:False,ptlb:TextureNormal,ptin:_TextureNormal,cmnt:法线贴图,varname:node_6723,prsc:2,tex:105d97327ec4c5146bb18706fffed5cd,ntxv:3,isnm:True;n:type:ShaderForge.SFN_Multiply,id:6495,x:32378,y:32587,varname:node_6495,prsc:2|A-2068-RGB,B-1311-RGB;n:type:ShaderForge.SFN_Color,id:1311,x:32056,y:32708,ptovrint:False,ptlb:node_1311,ptin:_node_1311,cmnt:Mix Color,varname:node_1311,prsc:2,glob:False,c1:1,c2:1,c3:1,c4:1;proporder:2068-6723-1311;pass:END;sub:END;*/

Shader "Custom/NewShader" {
    Properties {
        _keyleTexture ("keyleTexture", 2D) = "white" {}
        _TextureNormal ("TextureNormal", 2D) = "bump" {}
        _node_1311 ("node_1311", Color) = (1,1,1,1)
    }
    SubShader {
        Tags {
            "RenderType"="Opaque"
        }
        LOD 200
        Pass {
            Name "ForwardBase"
            Tags {
                "LightMode"="ForwardBase"
            }
            
            
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDBASE
            #include "UnityCG.cginc"
            #include "AutoLight.cginc"
            #pragma multi_compile_fwdbase_fullshadows
            #pragma exclude_renderers xbox360 ps3 flash d3d11_9x 
            #pragma target 3.0
            uniform float4 _LightColor0;
            uniform sampler2D _keyleTexture; uniform float4 _keyleTexture_ST;
            uniform sampler2D _TextureNormal; uniform float4 _TextureNormal_ST;
            uniform float4 _node_1311;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float4 tangent : TANGENT;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                float3 normalDir : TEXCOORD2;
                float3 tangentDir : TEXCOORD3;
                float3 binormalDir : TEXCOORD4;
                LIGHTING_COORDS(5,6)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.normalDir = mul(_Object2World, float4(v.normal,0)).xyz;
                o.tangentDir = normalize( mul( _Object2World, float4( v.tangent.xyz, 0.0 ) ).xyz );
                o.binormalDir = normalize(cross(o.normalDir, o.tangentDir) * v.tangent.w);
                o.posWorld = mul(_Object2World, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            fixed4 frag(VertexOutput i) : COLOR {
                i.normalDir = normalize(i.normalDir);
                float3x3 tangentTransform = float3x3( i.tangentDir, i.binormalDir, i.normalDir);
/////// Vectors:
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 _TextureNormal_var = UnpackNormal(tex2D(_TextureNormal,TRANSFORM_TEX(i.uv0, _TextureNormal))); // 法线贴图
                float3 normalLocal = _TextureNormal_var.rgb;
                float3 normalDirection = normalize(mul( normalLocal, tangentTransform )); // Perturbed normals
                float3 lightDirection = normalize(_WorldSpaceLightPos0.xyz);
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = LIGHT_ATTENUATION(i);
                float3 attenColor = attenuation * _LightColor0.xyz;
/////// Diffuse:
                float NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 indirectDiffuse = float3(0,0,0);
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                indirectDiffuse += UNITY_LIGHTMODEL_AMBIENT.rgb; // Ambient Light
                float4 _keyleTexture_var = tex2D(_keyleTexture,TRANSFORM_TEX(i.uv0, _keyleTexture)); // 添加一个贴图
                  float3 diffuse = (directDiffuse + indirectDiffuse) * (_keyleTexture_var.rgb*_node_1311.rgb);
/// Final Color:
                float3 finalColor = diffuse;
                return fixed4(finalColor,1);
            }
            ENDCG
        }
        Pass {
            Name "ForwardAdd"
            Tags {
                "LightMode"="ForwardAdd"
            }
            Blend One One
            
            
            Fog { Color (0,0,0,0) }
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #define UNITY_PASS_FORWARDADD
            #include "UnityCG.cginc"
            #include "AutoLight.cginc"
            #pragma multi_compile_fwdadd_fullshadows
            #pragma exclude_renderers xbox360 ps3 flash d3d11_9x 
            #pragma target 3.0
            uniform float4 _LightColor0;
            uniform sampler2D _keyleTexture; uniform float4 _keyleTexture_ST;
            uniform sampler2D _TextureNormal; uniform float4 _TextureNormal_ST;
            uniform float4 _node_1311;
            struct VertexInput {
                float4 vertex : POSITION;
                float3 normal : NORMAL;
                float4 tangent : TANGENT;
                float2 texcoord0 : TEXCOORD0;
            };
            struct VertexOutput {
                float4 pos : SV_POSITION;
                float2 uv0 : TEXCOORD0;
                float4 posWorld : TEXCOORD1;
                float3 normalDir : TEXCOORD2;
                float3 tangentDir : TEXCOORD3;
                float3 binormalDir : TEXCOORD4;
                LIGHTING_COORDS(5,6)
            };
            VertexOutput vert (VertexInput v) {
                VertexOutput o = (VertexOutput)0;
                o.uv0 = v.texcoord0;
                o.normalDir = mul(_Object2World, float4(v.normal,0)).xyz;
                o.tangentDir = normalize( mul( _Object2World, float4( v.tangent.xyz, 0.0 ) ).xyz );
                o.binormalDir = normalize(cross(o.normalDir, o.tangentDir) * v.tangent.w);
                o.posWorld = mul(_Object2World, v.vertex);
                float3 lightColor = _LightColor0.rgb;
                o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
                TRANSFER_VERTEX_TO_FRAGMENT(o)
                return o;
            }
            fixed4 frag(VertexOutput i) : COLOR {
                i.normalDir = normalize(i.normalDir);
                float3x3 tangentTransform = float3x3( i.tangentDir, i.binormalDir, i.normalDir);
/////// Vectors:
                float3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
                float3 _TextureNormal_var = UnpackNormal(tex2D(_TextureNormal,TRANSFORM_TEX(i.uv0, _TextureNormal))); // 法线贴图
                float3 normalLocal = _TextureNormal_var.rgb;
                float3 normalDirection = normalize(mul( normalLocal, tangentTransform )); // Perturbed normals
                float3 lightDirection = normalize(lerp(_WorldSpaceLightPos0.xyz, _WorldSpaceLightPos0.xyz - i.posWorld.xyz,_WorldSpaceLightPos0.w));
                float3 lightColor = _LightColor0.rgb;
////// Lighting:
                float attenuation = LIGHT_ATTENUATION(i);
                float3 attenColor = attenuation * _LightColor0.xyz;
/////// Diffuse:
                float NdotL = max(0.0,dot( normalDirection, lightDirection ));
                float3 directDiffuse = max( 0.0, NdotL) * attenColor;
                float4 _keyleTexture_var = tex2D(_keyleTexture,TRANSFORM_TEX(i.uv0, _keyleTexture)); // 添加一个贴图
                float3 diffuse = directDiffuse * (_keyleTexture_var.rgb*_node_1311.rgb);
/// Final Color:
                float3 finalColor = diffuse;
                return fixed4(finalColor * 1,0);
            }
            ENDCG
        }
    }
    FallBack "Diffuse"
    CustomEditor "ShaderForgeMaterialInspector"
}