Shader "Debug Terrain Carve"
{
	Properties
	{
		_Color("Main Color", Color) = (1,1,1,1)
	}
	
	SubShader
	{
		Pass
		{
			Tags{  "Queue" = "Geometry-10" }
			ZTest Always

			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			#include "UnityLightingCommon.cginc"

		

			struct v2f
			{
				fixed4 diff : COLOR0;
				float4 vertex : SV_POSITION;
			};

			v2f vert(appdata_base v)
			{
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
				half3 worldNormal = UnityObjectToWorldNormal(v.normal);
				half nl = max(0, dot(worldNormal, _WorldSpaceLightPos0.xyz));
				o.diff = nl * _LightColor0;

				o.diff.rgb += ShadeSH9(half4(worldNormal,1));
				return o;
			}

			fixed4 _Color;

			fixed4 frag(v2f i) : SV_Target
			{
				fixed4 col = _Color;
				col *= i.diff;
				return col;
			}
			ENDCG
		}
		Pass
			{
				Tags{  "Queue" = "Geometry-10" }

				CGPROGRAM
				#pragma vertex vert
				#pragma fragment frag
				#include "UnityCG.cginc"
				#include "UnityLightingCommon.cginc"



				struct v2f
				{
					fixed4 diff : COLOR0;
					float4 vertex : SV_POSITION;
				};

				v2f vert(appdata_base v)
				{
					v2f o;
					o.vertex = UnityObjectToClipPos(v.vertex);
					half3 worldNormal = UnityObjectToWorldNormal(v.normal);
					half nl = max(0, dot(worldNormal, _WorldSpaceLightPos0.xyz));
					o.diff = nl * _LightColor0;

					o.diff.rgb += ShadeSH9(half4(worldNormal,1));
					return o;
				}

				fixed4 _Color;

				fixed4 frag(v2f i) : SV_Target
				{
					fixed4 col = _Color;
					col *= i.diff;
					return col;
				}
				ENDCG
			}
	}
}