Netcode Bootstrap

Packages/com.rukhanka.animation/Rukhanka.Runtime/Common/Shaders/GPUStructures/AvatarMask.hlsl

@@ -0,0 +1,53 @@
+#ifndef AVATAR_MASK_HLSL_
+#define AVATAR_MASK_HLSL_
+
+/////////////////////////////////////////////////////////////////////////////////
+
+//  uint
+ByteAddressBuffer avatarMasksBuffer;
+
+/////////////////////////////////////////////////////////////////////////////////
+
+bool IsBoneInGenericAvatarMask(int avatarMaskDataOffset, int boneIndex)
+{
+	int uintIndex = boneIndex >> 5; // boneIndex / 32
+	int byteOffsetInUint = boneIndex & 0x1f; // boneIndex % 32
+	uint boneMask = 1u << byteOffsetInUint;
+
+    // First uint in mask is human body parts mask, skip it
+    uint absMaskDataIndex = avatarMaskDataOffset + 1 + uintIndex;
+    uint avatarMask = avatarMasksBuffer.Load(absMaskDataIndex * 4);
+
+    CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_GENERIC_AVATAR_AVATAR_MASK_BUFFER_READ, absMaskDataIndex * 4, 4, avatarMasksBuffer);
+
+    return (avatarMask & boneMask) != 0;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+bool IsBoneInHumanAvatarMask(int avatarMaskDataOffset, int humanAvatarMaskBodyPart)
+{
+    uint absMaskDataIndex = avatarMaskDataOffset;
+    uint humanAvatarMask = avatarMasksBuffer.Load(absMaskDataIndex * 4);
+
+    CHECK_RAW_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_HUMANOID_AVATAR_AVATAR_MASK_BUFFER_READ, absMaskDataIndex * 4, 4, avatarMasksBuffer);
+
+    return (humanAvatarMask & 1 << humanAvatarMaskBodyPart) != 0;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+bool IsBoneInAvatarMask(int avatarMaskDataOffset, int humanAvatarMaskBodyPart, int boneIndex)
+{
+    if (avatarMaskDataOffset < 0)
+        return true;
+
+    bool rv = humanAvatarMaskBodyPart < 0 ?
+        IsBoneInGenericAvatarMask(avatarMaskDataOffset, boneIndex) :
+        IsBoneInHumanAvatarMask(avatarMaskDataOffset, humanAvatarMaskBodyPart);
+    return rv;
+}
+
+#endif
+
+