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#ifndef __MOCHIE_SHADOW_CASTER_INC
#define __MOCHIE_SHADOW_CASTER_INC
// Source: https://github.com/cnlohr/shadertrixx?tab=readme-ov-file#shadowcasting
// MIT License
//
// NOTE: Much content here is originally from others. Content in third party
// folder may not be fully MIT-licensable.
//
// Copyright (c) 2021 cnlohr, et. al.
//
// All other content in this repository falls under the following terms:
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma multi_compile_instancing
#pragma multi_compile_shadowcaster
#include "UnityCG.cginc"
#include "globals.cginc"
struct appdata {
float4 vertex : POSITION;
float3 normal : NORMAL;
float2 uv : TEXCOORD0;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct v2f {
float4 pos : SV_POSITION;
float2 uv : TEXCOORD0;
UNITY_VERTEX_INPUT_INSTANCE_ID
UNITY_VERTEX_OUTPUT_STEREO
};
v2f vert (appdata v){
#if defined(_DISCARD)
if (_Discard_Enable_Dynamic) {
return (v2f) (0.0 / 0.0);
}
#endif
v2f o = (v2f)0;
UNITY_SETUP_INSTANCE_ID(v);
UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)
o.uv = v.uv;
return o;
}
float4 frag (v2f i) : SV_Target {
#if defined(_BASECOLOR_MAP)
float iddx = ddx(i.uv.x);
float iddy = ddx(i.uv.y);
float4 albedo = _MainTex.SampleGrad(linear_repeat_s, i.uv, iddx, iddy);
albedo *= _Color;
#else
float4 albedo = _Color;
#endif // _BASECOLOR_MAP
#if defined(_RENDERING_CUTOUT)
clip(albedo.a - _Alpha_Cutoff);
#endif
UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
return 0;
}
#endif // __MOCHIE_SHADOW_CASTER_INC
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