92 lines
2.7 KiB
Plaintext
92 lines
2.7 KiB
Plaintext
Shader "Zhanyou/Mobile/DiffuseMetal"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "white" {}
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[NoScaleOffset]_BumpMap ("Normal Map", 2D) = "white" {}
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[NoScaleOffset]_ChannelTex("Channel（R = Specular Gloss, G = Specular Power)", 2D) = "white" {}
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_BumpLerp ("Normal Strength", Range(0, 5)) = 1
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_Emission ("Emission", Range(0, 1)) = 0
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_Specular ("Specular", Range(0, 2)) = 0.25
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_Gloss ("Gloss", Range(0, 2)) = 1
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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// Forward Base
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Pass
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{
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Name "FORWARD"
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Tags { "LightMode" = "ForwardBase" }
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CGPROGRAM
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#define UNITY_PASS_FORWARDBASE
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#include "UnityGiBase.cginc"
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#pragma multi_compile_fwdbase
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#pragma multi_compile_fog
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#pragma multi_compile __ PLAYER_HALO_ON
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#pragma multi_compile __ T4M_NORMAL_OFF
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#pragma multi_compile __ T4M_UNITY_GI_OFF
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#pragma vertex vert_Base
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#pragma fragment frag
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uniform sampler2D _MainTex;
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uniform float4 _MainTex_ST;
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uniform half _Emission;
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#if !T4M_NORMAL_OFF
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uniform sampler2D _BumpMap;
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uniform half _BumpLerp;
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#endif
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#if !T4M_UNITY_GI_OFF
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uniform half _Specular;
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uniform half _Gloss;
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#endif
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uniform sampler2D _ChannelTex;
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fixed4 frag(v2f_Base i) : SV_TARGET
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{
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float2 uv = TRANSFORM_TEX(i.uv, _MainTex);
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fixed4 c = tex2D(_MainTex, uv);
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#if T4M_NORMAL_OFF
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fixed3 worldNormal = fixed3(i.tSpace0.z, i.tSpace1.z, i.tSpace2.z);
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#else
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half3 normal = UnpackNormal(tex2D(_BumpMap, uv));
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// 世界法线
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fixed3 worldNormal;
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worldNormal.x = dot(i.tSpace0.xyz, normal);
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worldNormal.y = dot(i.tSpace1.xyz, normal);
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worldNormal.z = dot(i.tSpace2.xyz, normal);
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worldNormal = normalize(worldNormal);
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#endif
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// 标准UnityGi流程
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GET_UNITY_GI_COLOR;
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fixed4 channel = tex2D(_ChannelTex, uv);
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#if !T4M_NORMAL_OFF
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// 法线强度调整功能
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fixed ndotlVert = LambertTerm(fixed3(i.tSpace0.z, i.tSpace1.z, i.tSpace2.z), lightDir);
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giColor += (ndotl - ndotlVert) * _BumpLerp * SIM_LIGHT_COLOR;
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#endif
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#if !T4M_UNITY_GI_OFF
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// 虚拟光源高光反射
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fixed3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
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half3 h = normalize (_SpecularLight.xyz + worldViewDir);
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half nh = max (0, dot (worldNormal, h));
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half specular = pow (nh, _Specular * channel.g * 128.0) * channel.r * _Gloss * c.a;
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giColor += specular * atten * c.rgb;
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#endif
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#if PLAYER_HALO_ON
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giColor += _DirectionalLightColor * LightColorFromWorld(worldPos);
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#endif
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// 自发光功能
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c.rgb = giColor + c.rgb * _Emission;
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UNITY_APPLY_FOG(i.fogCoord, c);
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UNITY_OPAQUE_ALPHA(c.a);
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return c;
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}
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ENDCG
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}
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}
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Fallback "Zhanyou/Mobile/DiffuseBumpedEmit"
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} |