PulseStudio/VoxelEngine
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Merge pull request #682 from MihailRis/test-optimization

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add test optimization
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MihailRis 2025-11-19 19:51:38 +03:00 committed by GitHub
commit 5984ee89bf
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1 changed files with 12 additions and 0 deletions
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src/voxels/voxel.hpp
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@ -16,22 +16,34 @@ struct blockstate {
uint8_t userbits : 8; // bits for use in block script uint8_t userbits : 8; // bits for use in block script
}; };
static_assert(sizeof(blockstate) == 2); static_assert(sizeof(blockstate) == 2);
static_assert(alignof(blockstate) == 1);
static_assert(sizeof(blockstate) == sizeof(blockstate_t));
/// @brief blockstate cast to an integer (optimized out in most cases) /// @brief blockstate cast to an integer (optimized out in most cases)
#ifdef _WIN32
inline blockstate_t blockstate2int(blockstate b) {
return *reinterpret_cast<blockstate_t*>(&b);
#else
inline constexpr blockstate_t blockstate2int(blockstate b) { inline constexpr blockstate_t blockstate2int(blockstate b) {
return static_cast<blockstate_t>(b.rotation) | return static_cast<blockstate_t>(b.rotation) |
static_cast<blockstate_t>(b.segment) << 3 | static_cast<blockstate_t>(b.segment) << 3 |
static_cast<blockstate_t>(b.reserved) << 6 | static_cast<blockstate_t>(b.reserved) << 6 |
static_cast<blockstate_t>(b.userbits) << 8; static_cast<blockstate_t>(b.userbits) << 8;
#endif
} }
/// @brief integer cast to a blockstate (optimized out in most cases) /// @brief integer cast to a blockstate (optimized out in most cases)
#ifdef _WIN32
inline blockstate int2blockstate(blockstate_t i) {
return *reinterpret_cast<blockstate*>(&i);
#else
inline constexpr blockstate int2blockstate(blockstate_t i) { inline constexpr blockstate int2blockstate(blockstate_t i) {
return { return {
static_cast<uint8_t>(i & 0b111), static_cast<uint8_t>(i & 0b111),
static_cast<uint8_t>((i >> 3) & 0b111), static_cast<uint8_t>((i >> 3) & 0b111),
static_cast<uint8_t>((i >> 6) & 0b11), static_cast<uint8_t>((i >> 6) & 0b11),
static_cast<uint8_t>((i >> 8) & 0xFF)}; static_cast<uint8_t>((i >> 8) & 0xFF)};
#endif
} }
struct voxel { struct voxel {