#include "shared/hash-functions.hlsl"
// #include "shared/noise-functions.hlsl"
#include "shared/point.hlsl"
#include "shared/quat-functions.hlsl"
#include "shared/bias-functions.hlsl"

/*{ADDITIONAL_INCLUDES}*/

cbuffer Params : register(b0)
{
}

cbuffer Params : register(b1)
{
    /*{FLOAT_PARAMS}*/
}

cbuffer Params : register(b2)
{
    int WriteTo;
}

StructuredBuffer<Point> SourcePoints : t0;
RWStructuredBuffer<Point> ResultPoints : u0;
sampler ClampedSampler : register(s0);

//=== Additional Resources ==========================================
/*{RESOURCES(t1)}*/

//=== Global functions ==============================================
/*{GLOBALS}*/

//=== Field functions ===============================================
/*{FIELD_FUNCTIONS}*/

//-------------------------------------------------------------------
float4 GetField(float4 p)
{
    float4 f = 1;
    /*{FIELD_CALL}*/
    return f;
}

inline float GetDistance(float3 p3)
{
    return GetField(float4(p3.xyz, 0)).w;
}

//===================================================================

static const float NoisePhase = 0;

[numthreads(64, 1, 1)] void main(uint3 i : SV_DispatchThreadID)
{
    uint numStructs, stride;
    SourcePoints.GetDimensions(numStructs, stride);
    if (i.x >= numStructs)
        return;

    Point p = SourcePoints[i.x];

    if (isnan(p.Scale.x))
    {
        ResultPoints[i.x] = p;
        return;
    }

    float3 pos = p.Position;

    float4 f = GetField(float4(pos, 0));

    if (WriteTo == 1)
    {
        p.FX1 = f.w;
    }
    else if (WriteTo == 2)
    {
        p.FX2 = f.w;
    }

    ResultPoints[i.x] = p;
}