效果：

代码：

Shader "MyShader/PhongNormal"
{Properties{_DiffuseTex("漫反射贴图",2d)="white"{}_AOTex("AO贴图",2d)="white"{}_SpecularMask("高光遮罩",2d)="white"{}_NormalMap("法线贴图",2d)="white"{}_NormalIntensity("凹凸程度",Range(0.0,10))=1.0_Shinesss("高光光滑度",float)=1.0_ShinIntensity("高光亮度",Range(0.0,10.0))=1.0}SubShader{Tags { "RenderType"="Opaque" }LOD 100Pass{Tags{"LightMode"="ForwardBase"}CGPROGRAM#pragma vertex vert#pragma fragment frag#pragma multi_compile_fwdbase#include "UnityCG.cginc"#include "AutoLight.cginc"#include "Lighting.cginc"float _Shinesss;float _ShinIntensity;float _NormalIntensity;sampler2D _DiffuseTex;float4 _DiffuseTex_ST;sampler2D _AOTex;sampler2D _SpecularMask;sampler2D _NormalMap;struct appdata{float4 vertex : POSITION;float3 normal : NORMAL;float2 texcoord : TEXCOORD0;float4 tangent : TANGENT;};struct v2f{float4 pos : SV_POSITION;float3 worldNormal_Dir : TEXCOORD1;float3 worldPos : TEXCOORD2;float2 uv : TEXCOORD3;float3 worldTangent_Dir : TEXCOORD4;float3 worldBinormal_Dir : TEXCOORD5;SHADOW_COORDS(6)};v2f vert (appdata v){v2f o = (v2f)0;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal_Dir = normalize(mul(v.normal,unity_WorldToObject).xyz);o.worldPos = mul(unity_ObjectToWorld,v.vertex).xyz;o.uv = TRANSFORM_TEX(v.texcoord,_DiffuseTex);o.worldTangent_Dir = normalize(mul(unity_ObjectToWorld,v.tangent).xyz);o.worldBinormal_Dir = normalize(cross(o.worldNormal_Dir,o.worldTangent_Dir))*v.tangent.w;TRANSFER_VERTEX_TO_FRAGMENT(o);return o;}half4 frag (v2f i) : SV_Target{half4 diffuseColor = tex2D(_DiffuseTex,i.uv);half4 AOMask = tex2D(_AOTex,i.uv);half4 specularMask = tex2D(_SpecularMask,i.uv);half4 normalMap = tex2D(_NormalMap,i.uv);half3 normalMap_data = UnpackNormal(normalMap);half shadow = LIGHT_ATTENUATION(i);//Normal Maphalf3 worldNormal_Dir = normalize(i.worldNormal_Dir);half3 worldTangent_Dir = normalize(i.worldTangent_Dir);half3 worldBinormal_Dir = normalize(i.worldBinormal_Dir);worldNormal_Dir = normalize(worldTangent_Dir*normalMap_data.x*_NormalIntensity+worldBinormal_Dir*normalMap_data.y*_NormalIntensity+worldNormal_Dir*normalMap_data.z);half3 worldView_Dir = normalize(_WorldSpaceCameraPos.xyz-i.worldPos);half3 worldLight_Dir = normalize(_WorldSpaceLightPos0.xyz);half3 reflect_Dir = normalize(reflect(-worldLight_Dir,worldNormal_Dir));half NdotL = dot(worldNormal_Dir,worldLight_Dir);half RdotV = dot(reflect_Dir,worldView_Dir);half diffterm = min(max(0.0,NdotL),shadow);half3 diffuse = diffterm*_LightColor0.xyz*diffuseColor.xyz;half3 specular = pow(max(0.0,RdotV),_Shinesss)*_LightColor0.xyz*_ShinIntensity*specularMask.rgb*diffterm;half3 ambient = UNITY_LIGHTMODEL_AMBIENT.xyz*diffuse*AOMask;half3 final_color = diffuse+specular+ambient;return half4(final_color,1.0);}ENDCG}Pass{Tags{"LightMode"="ForwardAdd"}Blend One OneCGPROGRAM#pragma vertex vert#pragma fragment frag#pragma multi_compile_fwdadd#include "UnityCG.cginc"#include "AutoLight.cginc"#include "Lighting.cginc"float _Shinesss;float _ShinIntensity;float _NormalIntensity;sampler2D _DiffuseTex;float4 _DiffuseTex_ST;sampler2D _AOTex;sampler2D _SpecularMask;sampler2D _NormalMap;struct appdata{float4 vertex : POSITION;float3 normal : NORMAL;float2 texcoord : TEXCOORD0;float4 tangent : TANGENT;};struct v2f{float4 pos : SV_POSITION;float3 worldNormal_Dir : TEXCOORD1;float3 worldPos : TEXCOORD2;float2 uv : TEXCOORD3;float3 worldTangent_Dir : TEXCOORD4;float3 worldBinormal_Dir : TEXCOORD5;LIGHTING_COORDS(6,7)};v2f vert (appdata v){v2f o = (v2f)0;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal_Dir = normalize(mul(v.normal,unity_WorldToObject).xyz);o.worldPos = mul(unity_ObjectToWorld,v.vertex).xyz;o.uv = TRANSFORM_TEX(v.texcoord,_DiffuseTex);o.worldTangent_Dir = normalize(mul(unity_ObjectToWorld,v.tangent).xyz);o.worldBinormal_Dir = normalize(cross(o.worldNormal_Dir,o.worldTangent_Dir))*v.tangent.w;TRANSFER_VERTEX_TO_FRAGMENT(o);return o;}half4 frag (v2f i) : SV_Target{half4 diffuseColor = tex2D(_DiffuseTex,i.uv);half4 specularMask = tex2D(_SpecularMask,i.uv);half4 normalMap = tex2D(_NormalMap,i.uv);half3 normalMap_data = UnpackNormal(normalMap);half shadowAtte = LIGHT_ATTENUATION(i);//Normal Maphalf3 worldNormal_Dir = normalize(i.worldNormal_Dir);half3 worldTangent_Dir = normalize(i.worldTangent_Dir);half3 worldBinormal_Dir = normalize(i.worldBinormal_Dir);worldNormal_Dir = normalize(worldTangent_Dir*normalMap_data.x*_NormalIntensity+worldBinormal_Dir*normalMap_data.y*_NormalIntensity+worldNormal_Dir*normalMap_data.z);half3 worldView_Dir = normalize(_WorldSpaceCameraPos.xyz-i.worldPos);#if defined(DIRECTIONAL)half3 worldLight_Dir = normalize(_WorldSpaceLightPos0.xyz);#elif defined(POINT)half3 worldLight_Dir = normalize(_WorldSpaceLightPos0.xyz-i.worldPos);#endifhalf3 reflect_Dir = normalize(reflect(-worldLight_Dir,worldNormal_Dir));half NdotL = dot(worldNormal_Dir,worldLight_Dir);half RdotV = dot(reflect_Dir,worldView_Dir);half diffterm = min(max(0.0,NdotL),shadowAtte);half3 diffuse = diffterm*_LightColor0.xyz*diffuseColor.xyz;half3 specular = pow(max(0.0,RdotV),_Shinesss)*_LightColor0.xyz*_ShinIntensity*specularMask.rgb*shadowAtte;half3 final_color = diffuse+specular;return half4(final_color,1.0);}ENDCG}}FallBack "Diffuse"
}