UnityShaderBook/Assets/Shaders/Extra/Toon/ToonShaderHouse.shader

Shader "Unlit/ToonShaderHouse"
{
	Properties {
		_Color ("Color Tint", Color) = (1, 1, 1, 1)
		_MainTex ("Texture", 2D) = "white" {}
		_LuminousTex ("Luminous Tex", 2D) = "white" {}
		_LuminousColor("Luminous Color",Color) = (1,1,1,1)
		_Specular ("Specular", Color) = (1, 1, 1, 1)
		_Gloss ("Gloss", Range(8.0, 256)) = 20
		_LightEdge ("Light Edge",Float) = 1.0
		_LightEdgeColor("Light Edge Color",Color) = (1,1,1,1)
	}
	SubShader {
		Pass { 
			Tags { "LightMode"="ForwardBase" }
			Cull Off
		
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag

			#include "Lighting.cginc"
			#include "AutoLight.cginc"
			
			fixed4 _Color;
			fixed4 _Specular;
			float _Gloss;
			sampler2D _MainTex;
			float4 _MainTex_ST;
			sampler2D _LuminousTex;
			float4 _LuminousTex_ST;
			fixed4 _LuminousColor;
			float _LightEdge;
			fixed4 _LightEdgeColor;
			
			struct a2v {
				float4 vertex : POSITION;
				float3 normal : NORMAL;
				float4 texcoord : TEXCOORD0;
				float2 uv : TEXCOORD1;
			};
			
			struct v2f {
				float4 pos : SV_POSITION;
				float3 worldNormal : TEXCOORD0;
				float3 worldPos : TEXCOORD1;
				float2 lumUV : TEXCOORD2;
				float2 tex : TEXCOORD3;
			};
			
			v2f vert(a2v v) {
				v2f o;
				o.pos = UnityObjectToClipPos(v.vertex);
				o.worldNormal = UnityObjectToWorldNormal(v.normal);
				o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
				o.lumUV = TRANSFORM_TEX(v.uv, _LuminousTex);
				o.tex =  TRANSFORM_TEX(v.uv, _MainTex);
				return o;
			}
			
			fixed4 frag(v2f i) : SV_Target {
				fixed4 col = tex2D(_MainTex, i.tex);
				fixed4 lum = tex2D(_LuminousTex, i.lumUV);

				fixed3 worldNormal = normalize(i.worldNormal);
				fixed3 worldLightDir = normalize(UnityWorldSpaceLightDir(i.worldPos));
				
				//fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.xyz;
				fixed3 ambient = ShadeSH9(fixed4(i.worldNormal,1));

				// Use the texture to sample the diffuse color
				fixed halfLambert  = 0.5 * dot(worldNormal, worldLightDir) + 0.5;
				
				//fixed3 diffuse = _LightColor0.rgb * diffuseColor;
				fixed3 diffuse = saturate(dot(worldNormal,worldLightDir));
				fixed3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));
				fixed3 halfDir = normalize(worldLightDir + viewDir);
				fixed3 specular = _LightColor0.rgb * _Specular.rgb * pow(max(0, dot(worldNormal, halfDir)), _Gloss);

				fixed3 diffuseEdge = ((clamp(diffuse,0,0.5)-0.5) * (floor(diffuse*2)-1)* -1+(floor(diffuse*2)-1)* -1*0.5) *_LightEdgeColor.rgb;
				diffuse = (fixed3(floor(diffuse*2)*0.5)+diffuseEdge) * _LightColor0.rgb;

				specular = fixed3(floor(specular*2)*0.5);

				

				fixed4 finalColor = fixed4(ambient + diffuse + specular, 1.0)*_LightEdge;
				

				//fixed4 finalColor = fixed4(ambient + diffuse, 1.0);
				//finalColor = fixed4 (0.0,0.0,0.0,1.0);

				return finalColor*col+lum*_LuminousColor;
			}
			
			ENDCG
		}
	} 
	FallBack "Specular"
}