CutoutShadowcaster.shader

		Pass {
			Name "SHADOWCASTER"
			Tags { "LightMode" = "ShadowCaster" }

			CGPROGRAM
			#pragma target 3.0

			#pragma multi_compile_shadowcaster
			#pragma multi_compile_instancing

			#pragma vertex vertShadowCaster
			#pragma fragment fragShadowCaster

			#include "UnityCG.cginc"

			sampler2D _MainTex;
			uniform float4 _MainTex_ST;
			uniform float _DisableShadow;
			uniform float _Cutoff;

			struct VertexOutputShadowCaster
			{
				V2F_SHADOW_CASTER_NOPOS
				float2 tex : TEXCOORD1;
				float3 posWorld : TEXCOORD2;
				float4 pos : SV_POSITION;
			};

			VertexOutputShadowCaster vertShadowCaster (appdata_full v)
			{
				VertexOutputShadowCaster o = (VertexOutputShadowCaster)0;
				UNITY_SETUP_INSTANCE_ID(v);
				TRANSFER_SHADOW_CASTER_NOPOS(o,o.pos)
				o.tex = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
				o.posWorld = mul(unity_ObjectToWorld,float4(v.vertex.xyz, 1.0)).xyz;
				if (_DisableShadow > 0) {
					o.pos = float4(2,2,2,1);
				}
				return o;
			}

			half4 fragShadowCaster (VertexOutputShadowCaster i) : SV_Target
			{
				half alpha = tex2D(_MainTex, i.tex).a;
				clip (alpha - _Cutoff);
				SHADOW_CASTER_FRAGMENT(i)
			}

			ENDCG
		}