Luis Gonzalez
54 lines
1.8 KiB
HLSL
54 lines
1.8 KiB
HLSL
#ifndef AVATAR_MASK_HLSL_
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#define AVATAR_MASK_HLSL_
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/////////////////////////////////////////////////////////////////////////////////
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// uint
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ByteAddressBuffer avatarMasksBuffer;
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/////////////////////////////////////////////////////////////////////////////////
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bool IsBoneInGenericAvatarMask(int avatarMaskDataOffset, int boneIndex)
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{
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int uintIndex = boneIndex >> 5; // boneIndex / 32
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int byteOffsetInUint = boneIndex & 0x1f; // boneIndex % 32
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uint boneMask = 1u << byteOffsetInUint;
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// First uint in mask is human body parts mask, skip it
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uint absMaskDataIndex = avatarMaskDataOffset + 1 + uintIndex;
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uint avatarMask = avatarMasksBuffer.Load(absMaskDataIndex * 4);
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CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_GENERIC_AVATAR_AVATAR_MASK_BUFFER_READ, absMaskDataIndex * 4, 4, avatarMasksBuffer);
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return (avatarMask & boneMask) != 0;
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}
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/////////////////////////////////////////////////////////////////////////////////
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bool IsBoneInHumanAvatarMask(int avatarMaskDataOffset, int humanAvatarMaskBodyPart)
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{
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uint absMaskDataIndex = avatarMaskDataOffset;
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uint humanAvatarMask = avatarMasksBuffer.Load(absMaskDataIndex * 4);
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CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_HUMANOID_AVATAR_AVATAR_MASK_BUFFER_READ, absMaskDataIndex * 4, 4, avatarMasksBuffer);
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return (humanAvatarMask & 1 << humanAvatarMaskBodyPart) != 0;
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}
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/////////////////////////////////////////////////////////////////////////////////
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bool IsBoneInAvatarMask(int avatarMaskDataOffset, int humanAvatarMaskBodyPart, int boneIndex)
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{
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if (avatarMaskDataOffset < 0)
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return true;
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bool rv = humanAvatarMaskBodyPart < 0 ?
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IsBoneInGenericAvatarMask(avatarMaskDataOffset, boneIndex) :
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IsBoneInHumanAvatarMask(avatarMaskDataOffset, humanAvatarMaskBodyPart);
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return rv;
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}
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#endif
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