Shader "SuYou/Lightmap_Diffuse" {
	
Properties {
	_MainTex ("Base", 2D) = "white" {}
}


CGINCLUDE


sampler2D _MainTex;
						
ENDCG 

SubShader {
	Tags { "RenderType"="Opaque" }
	
	Pass {
		CGPROGRAM

		#pragma vertex vert
		#pragma fragment frag
		#pragma multi_compile_fog
		#pragma multi_compile LIGHTMAP_OFF LIGHTMAP_ON
		#include "UnityCG.cginc"
		
		struct appdata_t {
			float4 vertex : POSITION;
			float2 texcoord : TEXCOORD0;
			float2 texcoord1 : TEXCOORD1;
		};	
		
		struct v2f 
		{
			half4 pos : SV_POSITION;
			half2 uv : TEXCOORD0;
			#ifdef LIGHTMAP_ON
			half2 uv2 : TEXCOORD1;
			#endif
			UNITY_FOG_COORDS(2)
		};

		float4 _MainTex_ST;
		v2f vert (appdata_t v) 
		{
			v2f o;
			o.pos = UnityObjectToClipPos (v.vertex);
		
			#ifdef LIGHTMAP_ON
			o.uv = v.texcoord;
			o.uv2 = v.texcoord1 * unity_LightmapST.xy + unity_LightmapST.zw;
			#else
			o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
			#endif

			UNITY_TRANSFER_FOG(o,o.pos);
			return o; 
		}		
		
		fixed4 frag (v2f i) : COLOR0 
		{
			fixed4 tex = tex2D (_MainTex, i.uv);
			
			#ifdef LIGHTMAP_ON
			fixed3 lm = DecodeLightmap(UNITY_SAMPLE_TEX2D(unity_Lightmap,i.uv2));
			tex.rgb *= lm;
			#endif
			
			UNITY_APPLY_FOG(i.fogCoord, tex);
			return tex;		
		}	
		

		ENDCG
	}
} 

FallBack Off
}