Shader "MY/Monster"
{
	Properties
	{
		_Color("Main Color", Color) = (0,0,0,1)
		_MainTex("Base (RGB)", 2D) = "white" {}

		_UVColor("UVColor", Color) = (0.5,0.5,0.5,0)
		_UVMainTex("UVMainTex", 2D) = "white" {}
		_UVMask("UVMask", 2D) = "white" {}

		_UVXSpeed("UVXSpeed", Range(0, 8)) = 2
		_UVYSpeed("UVYSpeed", Range(0, 8)) = 0
		_UVDir("UVDir", Range(-1, 1)) = -1
	}

		SubShader
		{
			Tags{ "Queue" = "Geometry+20" "IgnoreProjector" = "True" }
			Pass
			{
			   CGPROGRAM
			   #pragma vertex vert_surf
			   #pragma fragment frag_surf
			   #pragma multi_compile_fwdbase

			   #include "HLSLSupport.cginc"
			   #include "UnityCG.cginc"

				uniform sampler2D _MainTex;
				uniform sampler2D _MatCap;
				uniform half _MatCapPower;

				uniform half4 _Color;
				uniform half4 _MainTex_ST;


				uniform sampler2D _UVMainTex;
				uniform half4 _UVMainTex_ST;
				uniform sampler2D _UVMask;
				uniform half4 _UVMask_ST;
				uniform half4 _UVColor;

				uniform half _UVXSpeed;
				uniform half _UVYSpeed;
				uniform half _UVDir;
				uniform half3 _RimColor;

				struct v2f_surf
				{
					half4 pos : SV_POSITION;
					half4 uv : TEXCOORD0;
					half3 normal : TEXCOORD1;
					half3 viewDir : TEXCOORD2;
					half4 uv1 : TEXCOORD3;
				};

				v2f_surf vert_surf(appdata_full v)
				{
					v2f_surf o = (v2f_surf)0;

					o.pos = UnityObjectToClipPos(v.vertex);
					o.uv.xy = TRANSFORM_TEX(v.texcoord, _MainTex);
					half3 worldN = UnityObjectToWorldNormal(v.normal);
					o.normal = worldN;
					o.viewDir = normalize(UnityWorldSpaceViewDir(mul(unity_ObjectToWorld, v.vertex).xyz));
					o.uv1.xy = TRANSFORM_TEX(v.texcoord, _UVMainTex);
					o.uv1.zw = half2(_UVXSpeed, _UVYSpeed)* _Time.y * _UVDir + o.pos.xy * _UVMask_ST.xy;
					return o;
				}

				fixed4 frag_surf(v2f_surf IN) : SV_Target
				{
					fixed4 c = tex2D(_MainTex, IN.uv.xy)*1.15f;

					c.rgb *= _Color.rgb;
					c.rgb += 2.0f * tex2D(_UVMainTex, IN.uv1.xy).rgb * tex2D(_UVMask, IN.uv1.zw).rgb * _UVColor * _UVColor.a;
					c.rgb += _RimColor * saturate(1 - saturate(dot(IN.normal, IN.viewDir)) * 1.8) * _MatCapPower * 2;
					return c;
				}
				ENDCG
		   }
		}
}