Shader "MY/Ghost"
{
	Properties
	{
		_fresnel_1("fresnel_1", Range(0, 1)) = 0.4686216
		_fresnel("fresnel", Float) = 20
		_Color("Color", Color) = (0.5,0.5,0.5,1)
		_RimColor("RimColor", Color) = (1,1,1,1)
		_mask("mask", 2D) = "white" {}
		_alpha("alpha", Range(0, 8)) = 1.372233
		_subtact("subtact", Float) = 0.35
		_light("light", Float) = 5
	}
		SubShader
		{
			Tags{"Queue" = "AlphaTest" "RenderType" = "TransparentCutout"}
			Pass
			{
				Name "ForwardBase"
				Tags{"LightMode" = "ForwardBase"}
				Blend One One
				CGPROGRAM
				#pragma vertex vert
				#pragma fragment frag
				#include "UnityCG.cginc"
				uniform fixed4 _Color;
				uniform fixed4 _RimColor;

				uniform half4 _mask_ST;
				uniform half _fresnel_1;
				uniform half _fresnel;
				uniform half _alpha;
				uniform half _subtact;
				uniform half _light;
				uniform sampler2D _mask;

				struct VertexInput
				{
					half4 vertex : POSITION;
					half3 normal : NORMAL;
					half2 texcoord0 : TEXCOORD0;
				};

				struct VertexOutput
				{
					half4 pos : SV_POSITION;
					half4 posWorld : TEXCOORD1;
					half3 normalDir : TEXCOORD2;
					half2 uv0 : TEXCOORD0;
				};

				VertexOutput vert(VertexInput v)
				{
					VertexOutput o;
					o.uv0 = v.texcoord0;
					o.normalDir = mul(half4(v.normal,0), unity_WorldToObject).xyz;
					o.posWorld = mul(unity_ObjectToWorld, v.vertex);
					o.pos = UnityObjectToClipPos(v.vertex);
					return o;
				}

				fixed4 frag(VertexOutput i) : COLOR
				{
					i.normalDir = normalize(i.normalDir);
					fixed3 viewDirection = normalize(_WorldSpaceCameraPos.xyz - i.posWorld.xyz);
					half3 normalDirection = i.normalDir;
					fixed maskr = (tex2D(_mask,TRANSFORM_TEX(i.uv0, _mask)).rgb*_alpha).r;
					fixed maskr_a = step(maskr,0.3);
					fixed maskr_b = step(0.3, maskr);
					fixed blend = lerp(maskr_b,1, maskr_a*maskr_b);
					clip(blend - 0.5);
					fixed value_a = step(maskr,_subtact);
					fixed value_b = step(_subtact, maskr);
					fixed3 emissive = ((pow((_fresnel_1 + (1.0 - max(0,dot(normalDirection, viewDirection)))),_fresnel)*_RimColor.rgb) + ((_Color.rgb*(1.0*(blend - lerp(value_b,1, value_a*value_b))))*_light));
					return fixed4(emissive,1);
				}
				ENDCG
			}
		}
}