lsh4/Assets/Spells Pack/Demo/Environment/Shaders/Vegetation.shader

Shader "Custom/Vegetation" {
	Properties {
		_Color ("Color", Color) = (1,1,1,1)
		_MainTex ("Albedo (RGB)", 2D) = "white" {}
		_BumpMap ("Normal", 2D)= "bump" {}
		_OcclusionMap ("Occlusion", 2D) = "white" {}
		_OcclusionStrength ("Occlusion Strength", Range(0,1)) = 0.0
		_MetallicGlossMap ("Metaillic Smoothness (R/A)", 2D) = "white" {}
		_EmissionMap ("Emissive", 2D) = "white" {}
		[hdr]_EmissiveColor ("Emissive Color", Color) = (0,0,0,0)
		_Glossiness ("Smoothness", Range(0,1)) = 0.5
		_Metallic ("Metallic", Range(0,1)) = 0.0
	}
	SubShader {
		Tags { "RenderType"="TransparentCutout" "Queue"="AlphaTest" }
		LOD 200

		CGPROGRAM
		#pragma multi_compile _ LOD_FADE_CROSSFADE
		// Physically based Standard lighting model, and enable shadows on all light types
		#pragma surface surf Standard fullforwardshadows vertex:vert

		// Use shader model 3.0 target, to get nicer looking lighting
		#pragma target 3.0

		sampler2D _MainTex, _OcclusionMap, _BumpMap, _MetallicGlossMap, _EmissionMap;

		struct Input {
			float2 uv_MainTex;
			float4 screenPos;
		};

		half _Glossiness, _Metallic, _OcclusionStrength;
		fixed4 _Color, _EmissiveColor;

		void vert (inout appdata_full v, out Input o) {
        	UNITY_INITIALIZE_OUTPUT(Input,o);

        	//float3 worldPos = mul (unity_ObjectToWorld, v.vertex).xyz;

        	//float vLength = length(v.vertex);
        	//v.vertex.x += sin(_Time * 5) * 0.2 * vLength;

    	  }

		// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
		// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
		// #pragma instancing_options assumeuniformscaling
		UNITY_INSTANCING_BUFFER_START(Props)
			// put more per-instance properties here
		UNITY_INSTANCING_BUFFER_END(Props)

		void surf (Input IN, inout SurfaceOutputStandard o) {

			 #ifdef LOD_FADE_CROSSFADE
            float2 vpos = IN.screenPos.xy / IN.screenPos.w * _ScreenParams.xy;
            UnityApplyDitherCrossFade(vpos);
            #endif

			fixed4 ms = tex2D (_MetallicGlossMap, IN.uv_MainTex);

			o.Albedo =  tex2D (_MainTex, IN.uv_MainTex) * _Color;
			o.Normal = UnpackNormal(tex2D (_BumpMap, IN.uv_MainTex));
			o.Metallic = ms.r * _Metallic;
			o.Smoothness = ms.a * _Glossiness;
			o.Occlusion =  LerpOneTo (tex2D (_OcclusionMap, IN.uv_MainTex), _OcclusionStrength);
			o.Emission = tex2D (_EmissionMap, IN.uv_MainTex) * _EmissiveColor;
			//o.Alpha = c.a;
		}
		ENDCG
	}
	FallBack "Diffuse"
}