FactoryCraft-Client/FactoryCraft/ChunkAnyHit.hlsl

#include "Common.hlsl"

[shader("anyhit")]
void ChunkAnyHit(inout RayHits rayPayload, ChunkHitAttributes attrib)
{
    Texture2D<float4> texture = textures[attrib.textureId];
    float4 color = texture.SampleLevel(gSampler, attrib.texCoord, 0);
    if (color.w == 0.f)
    {
        IgnoreHit();
        return;
    }
    if (rayPayload.hitCount < 0)
    { // shadow ray
        rayPayload.hitCount = 0;
        // TODO: transparent objects should lead to half shadows
        AcceptHitAndEndSearch();
        return;
    }
    SingleHit hit;
    hit.color = color;
    hit.normal = attrib.normal;
    hit.distance = RayTCurrent();
    hit.dayLight = attrib.dayLight;
    hit.dynamicLight = attrib.dynamicLight;
    applyHit(rayPayload, hit);
    if (color.w < 1.f)
    {
        IgnoreHit();
        return;
    }
}