Shader "Zhanyou/Character/PlayerTransparent"
{
	Properties
	{
		_MainTex("Main Tex", 2D) = "white" {}
		_Color ("Color", Color) = (1, 1, 1, 1)
		_Cutoff("Alpha Cutoff", Range(0, 1)) = 0.5
		// 内发光边线颜色
		_OutlineColor("OutLine Color", Color) = (0.389, 0.377, 0.471, 1.0)
		// 内发光边线倍数
		_Outline("OutLine Power", float) = 22
	}

	Category
	{
		Tags { "Queue"="AlphaTest+52" "IgnoreProjector"="True" "RenderType"="CharacterCutout" }
		Blend SrcAlpha OneMinusSrcAlpha
		Cull Back
		Lighting Off
		ZWrite Off
		ZTest LEqual
		Offset 0, -0.01
		SubShader
		{
			Pass
			{
				CGPROGRAM
				#pragma vertex vert
				#pragma fragment frag
				#pragma multi_compile_fog
				#pragma multi_compile __ UseRimColor

				#include "UnityCG.cginc"
				#include "Gles2Helper.cginc"
	
				uniform sampler2D _MainTex;
				uniform float4 _MainTex_ST;
				uniform half4 _Color;
				uniform half _Cutoff;
				uniform half4 _OutlineColor;
				uniform half _Outline;
				
				struct appdata_t {
					float4 vertex : POSITION;
					float2 texcoord : TEXCOORD0;
                    #if UseRimColor
                        float3 normal : NORMAL;
                        float4 tangent : TANGENT;
                    #endif
				};
	
				struct v2f {
					float4 vertex : SV_POSITION;
					float2 texcoord : TEXCOORD0;
					UNITY_FOG_COORDS(1)
					#if UseRimColor
						float rim : TEXCOORD3;
					#endif
				};

				v2f vert (appdata_t v)
				{
					v2f o;
					o.vertex = UnityObjectToClipPos(v.vertex);
					o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
					#if UseRimColor
		                half3 objectViewDir = ObjSpaceViewDir(v.vertex);
		                TANGENT_SPACE_ROTATION;
		                o.rim = saturate(1 - normalize(MUL_3x3_WITH_VECTOR(rotation, objectViewDir)).z);
		                o.rim = pow(o.rim, _Outline);
					#endif
					UNITY_TRANSFER_FOG(o, o.vertex);
					return o;
				}
				
				fixed4 frag (v2f i) : SV_Target
				{
					fixed4 c = tex2D(_MainTex, i.texcoord);
					clip (c.a - _Cutoff);
					c.rgb *= _Color.rgb;
					c.a *= _Color.a;
					#if UseRimColor
						c.rgb += _OutlineColor.rgb * _OutlineColor.a * i.rim;
					#endif
					UNITY_APPLY_FOG(i.fogCoord, c);
					return c;
				}
				ENDCG
			}
			Pass
		    {
		    	Name "ShadowCaster"
		    	Tags { "LightMode" = "ShadowCaster" }
		    	
		    	ZWrite On ZTest LEqual Cull Off
		    
		    	CGPROGRAM
		    	#pragma vertex vert
		    	#pragma fragment frag
		    	#pragma target 2.0
		    	#pragma multi_compile_shadowcaster
		    	#include "UnityCG.cginc"
		    
		    	struct v2f { 
		    		V2F_SHADOW_CASTER;
		    	};
		    
		    	v2f vert( appdata_base v )
		    	{
		    		v2f o;
		    		TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)
		    		return o;
		    	}
		    
		    	float4 frag( v2f i ) : SV_Target
		    	{
		    		SHADOW_CASTER_FRAGMENT(i)
		    	}
		    	ENDCG
		    }
		}
		CustomEditor "PlayerTransparentShaderGui"
		Fallback "Unlit/Texture"
	}
}