#pragma vertex vert_surf
#pragma fragment frag_surf
#pragma fragmentoption ARB_fog_exp2
#pragma fragmentoption ARB_precision_hint_fastest
#pragma multi_compile_fwdbase
#include "HLSLSupport.cginc"
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "AutoLight.cginc"
struct Input {
    float2 uv_MainTex : TEXCOORD0;
};
sampler2D _MainTex;
sampler2D _BumpMap;
void surf (Input IN, inout SurfaceOutput o)
{
    o.Albedo = tex2D (_MainTex, IN.uv_MainTex).rgb;
    o.Normal = UnpackNormal (tex2D (_BumpMap, IN.uv_MainTex));
}
struct v2f_surf {
  V2F_POS_FOG;
  float2 hip_pack0 : TEXCOORD0;
  #ifndef LIGHTMAP_OFF
  float2 hip_lmap : TEXCOORD1;
  #else
  float3 lightDir : TEXCOORD1;
  float3 vlight : TEXCOORD2;
  #endif
  LIGHTING_COORDS(3,4)
};
#ifndef LIGHTMAP_OFF
float4 unity_LightmapST;
#endif
float4 _MainTex_ST;
v2f_surf vert_surf (appdata_full v) {
  v2f_surf o;
  PositionFog( v.vertex, o.pos, o.fog );
  o.hip_pack0.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
  #ifndef LIGHTMAP_OFF
  o.hip_lmap.xy = v.texcoord1.xy * unity_LightmapST.xy + unity_LightmapST.zw;
  #endif
  float3 worldN = mul((float3x3)_Object2World, SCALED_NORMAL);
  TANGENT_SPACE_ROTATION;
  #ifdef LIGHTMAP_OFF
  o.lightDir = mul (rotation, ObjSpaceLightDir(v.vertex));
  #endif
  #ifdef LIGHTMAP_OFF
  float3 shlight = ShadeSH9 (float4(worldN,1.0));
  o.vlight = shlight;
  #ifdef VERTEXLIGHT_ON
  float3 worldPos = mul(_Object2World, v.vertex).xyz;
  o.vlight += Shade4PointLights (
    unity_4LightPosX0, unity_4LightPosY0, unity_4LightPosZ0,
    unity_LightColor0, unity_LightColor1, unity_LightColor2, unity_LightColor3,
    unity_4LightAtten0, worldPos, worldN );
  #endif // VERTEXLIGHT_ON
  #endif // LIGHTMAP_OFF
  TRANSFER_VERTEX_TO_FRAGMENT(o);
  return o;
}
#ifndef LIGHTMAP_OFF
sampler2D unity_Lightmap;
#endif
half4 frag_surf (v2f_surf IN) : COLOR {
  Input surfIN;
  surfIN.uv_MainTex = IN.hip_pack0.xy;
  SurfaceOutput o;
  o.Albedo = 0.0;
  o.Emission = 0.0;
  o.Specular = 0.0;
  o.Alpha = 0.0;
  o.Gloss = 0.0;
  surf (surfIN, o);
  half atten = LIGHT_ATTENUATION(IN);
  half4 c;
  #ifdef LIGHTMAP_OFF
  c = LightingLambert (o, IN.lightDir, atten);
  c.rgb += o.Albedo * IN.vlight;
  #else // LIGHTMAP_OFF
  half3 lmFull = DecodeLightmap (tex2D(unity_Lightmap, IN.hip_lmap.xy));
  #ifdef SHADOWS_SCREEN
  c.rgb = o.Albedo * min(lmFull, atten*2);
  #else
  c.rgb = o.Albedo * lmFull;
  #endif
  c.a = o.Alpha;
  #endif // LIGHTMAP_OFF
  return c;
}