// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "Suimono2/particle_Alpha" {
Properties {
	_TintColor ("Tint Color", Color) = (0.5,0.5,0.5,0.5)
	_MainTex ("Particle Texture", 2D) = "white" {}
	_InvFade ("Soft Particles Factor", Range(0.01,3.0)) = 1.0
}

Category {
	Tags { "Queue"="Overlay+22" "IgnoreProjector"="True"}
	Blend SrcAlpha OneMinusSrcAlpha
	Cull Off
	Lighting Off
	ZWrite Off
	Fog{Mode Off}

	
	BindChannels {
		Bind "Color", color
		Bind "Vertex", vertex
		Bind "TexCoord", texcoord
	}
	
	SubShader {
		Pass {
			Tags{ "LightMode" = "ForwardBase" }
			Lighting On

			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma fragmentoption ARB_precision_hint_fastest alpha
			#pragma multi_compile_particles
			
			#include "UnityCG.cginc"
            #include "AutoLight.cginc"

			sampler2D _MainTex;
			float4 _TintColor;
			uniform float4 _LightColor0;

			struct appdata_t {
				float4 vertex : POSITION;
				float4 color : COLOR;
				float2 texcoord : TEXCOORD0;
			};

			struct v2f {
				float4 vertex : POSITION;
				float4 color : COLOR;
				float2 texcoord : TEXCOORD0;
				LIGHTING_COORDS(3,4)
			};
			
			float4 _MainTex_ST;

			v2f vert (appdata_t v)
			{
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.color = v.color;
				o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);

				o.color = o.color * _LightColor0;
				return o;
			}

			sampler2D _CameraDepthTexture;
			float _InvFade;
			
			half4 frag (v2f i) : COLOR
			{
				half la = LIGHT_ATTENUATION(i);
				return 1.0f * _TintColor * i.color * tex2D(_MainTex, i.texcoord) * la;
			}
			ENDCG 
			

		}
	} 	
	
	
	

	
	// ---- Dual texture cards
	SubShader {
		Pass {
			SetTexture [_MainTex] {
				constantColor [_TintColor]
				combine constant * primary
			}
			SetTexture [_MainTex] {
				combine texture * previous DOUBLE
			}
		}
	}
	
	// ---- Single texture cards (does not do color tint)
	SubShader {
		Pass {
			SetTexture [_MainTex] {
				combine texture * primary
			}
		}
	}
}
}