47 lines
1.9 KiB
C#
47 lines
1.9 KiB
C#
namespace Encompass
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{
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internal struct EntitySetQuery
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{
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private BitSet512 WithImmediateMask { get; }
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private BitSet512 WithExistingMask { get; }
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private BitSet512 WithoutImmediateMask { get; }
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private BitSet512 WithoutExistingMask { get; }
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private BitSet512 NotWithMask { get; }
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internal EntitySetQuery(BitSet512 withImmediateMask, BitSet512 withExistingMask, BitSet512 withoutImmediateMask, BitSet512 withoutExistingMask, BitSet512 notWithMask)
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{
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WithImmediateMask = withImmediateMask;
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WithExistingMask = withExistingMask;
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WithoutImmediateMask = withoutImmediateMask;
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WithoutExistingMask = withoutExistingMask;
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NotWithMask = notWithMask;
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}
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public bool CheckEntity(int entityID, ComponentBitSet componentBitSet)
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{
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var existingBits = componentBitSet.EntityBitArray(entityID);
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var existing = (WithExistingMask & existingBits) | NotWithMask;
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var existingForbidden = ~(WithoutExistingMask & existingBits);
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return (existing & existingForbidden).AllTrue();
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}
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public bool ImmediateCheckEntity(int entityID, ComponentBitSet immediateBitLookup, ComponentBitSet existingBitLookup)
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{
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var immediateBits = immediateBitLookup.EntityBitArray(entityID);
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var existingBits = existingBitLookup.EntityBitArray(entityID);
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var immediate = WithImmediateMask & immediateBits;
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var existing = WithExistingMask & existingBits;
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var withCheck = immediate | existing | NotWithMask;
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var immediateForbidden = ~(WithoutImmediateMask & immediateBits);
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var existingForbidden = ~(WithoutExistingMask & existingBits);
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var withoutCheck = immediateForbidden & existingForbidden;
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return (withCheck & withoutCheck).AllTrue();
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}
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}
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}
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