37 lines
1.4 KiB
C++
37 lines
1.4 KiB
C++
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#if !defined(DQN_NO_DSMAP)
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// =================================================================================================
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// [$DMAP] Dqn_DSMap | DQN_NO_DSMAP | Hashtable, 70% max load, PoT size, linear probe, chain repair
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// =================================================================================================
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DQN_API Dqn_DSMapKey Dqn_DSMap_KeyU64NoHash(uint64_t u64)
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{
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Dqn_DSMapKey result = {};
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result.type = Dqn_DSMapKeyType_U64NoHash;
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result.payload.u64 = u64;
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result.hash = DQN_CAST(uint32_t)u64;
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return result;
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}
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DQN_API bool Dqn_DSMap_KeyEquals(Dqn_DSMapKey lhs, Dqn_DSMapKey rhs)
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{
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bool result = false;
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if (lhs.type == rhs.type && lhs.hash == rhs.hash) {
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switch (lhs.type) {
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case Dqn_DSMapKeyType_Invalid: result = true; break;
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case Dqn_DSMapKeyType_U64NoHash: result = true; break;
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case Dqn_DSMapKeyType_U64: result = lhs.payload.u64 == rhs.payload.u64; break;
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case Dqn_DSMapKeyType_Buffer: result = lhs.payload.buffer.size == rhs.payload.buffer.size &&
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memcmp(lhs.payload.buffer.data, rhs.payload.buffer.data, lhs.payload.buffer.size) == 0; break;
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}
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}
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return result;
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}
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DQN_API bool operator==(Dqn_DSMapKey lhs, Dqn_DSMapKey rhs)
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{
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bool result = Dqn_DSMap_KeyEquals(lhs, rhs);
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return result;
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}
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#endif // !defined(DQN_NO_DSMAP)
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