97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
#include <cassert>
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#include "FastSIMD/InlInclude.h"
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#include "BasicGenerators.h"
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#include "Utils.inl"
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template<typename FS>
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class FS_T<FastNoise::Constant, FS> : public virtual FastNoise::Constant, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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return float32v( mValue );
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}
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};
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template<typename FS>
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class FS_T<FastNoise::White, FS> : public virtual FastNoise::White, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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size_t idx = 0;
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((pos = FS_Casti32_f32( (FS_Castf32_i32( pos ) ^ (FS_Castf32_i32( pos ) >> 16)) * int32v( FnPrimes::Lookup[idx++] ) )), ...);
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return FnUtils::GetValueCoord( seed, FS_Castf32_i32( pos )... );
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}
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};
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template<typename FS>
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class FS_T<FastNoise::Checkerboard, FS> : public virtual FastNoise::Checkerboard, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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float32v multiplier = FS_Reciprocal_f32( float32v( mSize ) );
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int32v value = (FS_Convertf32_i32( pos * multiplier ) ^ ...);
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return float32v( 1.0f ) ^ FS_Casti32_f32( value << 31 );
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}
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};
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template<typename FS>
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class FS_T<FastNoise::SineWave, FS> : public virtual FastNoise::SineWave, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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float32v multiplier = FS_Reciprocal_f32( float32v( mScale ) );
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return (FS_Sin_f32( pos * multiplier ) * ...);
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}
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};
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template<typename FS>
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class FS_T<FastNoise::PositionOutput, FS> : public virtual FastNoise::PositionOutput, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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size_t offsetIdx = 0;
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size_t multiplierIdx = 0;
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(((pos += float32v( mOffset[offsetIdx++] )) *= float32v( mMultiplier[multiplierIdx++] )), ...);
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return (pos + ...);
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}
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};
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template<typename FS>
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class FS_T<FastNoise::DistanceToOrigin, FS> : public virtual FastNoise::DistanceToOrigin, public FS_T<FastNoise::Generator, FS>
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{
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FASTSIMD_DECLARE_FS_TYPES;
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FASTNOISE_IMPL_GEN_T;
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template<typename... P>
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FS_INLINE float32v GenT( int32v seed, P... pos ) const
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{
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return FnUtils::CalcDistance( mDistanceFunction, pos... );
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}
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};
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