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Rewrite HashMapHasherDefault based on type traits - it is now possible to declare a default hashing function for any type.

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Remove cross-project includes from `hashfuncs.h`.
Improve hashing function for `Color` (based on values instead of `String`).
Move `Variant` comparison from `hash_map.h` to `dictionary.cpp` (`VariantComparatorDictionary`), where it's used.
Remove now unnecessary `HashableHasher`.
This commit is contained in:
Lukas Tenbrink
2025-05-15 11:50:46 +02:00
parent 06827c91c6
commit ad600125df
29 changed files with 253 additions and 222 deletions
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7
core/math/vector2i.h
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@ -32,6 +32,7 @@
#include "core/error/error_macros.h"
#include "core/math/math_funcs.h"
#include "core/templates/hashfuncs.h"
class String;
struct Vector2;
@ -147,6 +148,12 @@ struct [[nodiscard]] Vector2i {
explicit operator String() const;
operator Vector2() const;
uint32_t hash() const {
uint32_t h = hash_murmur3_one_32(uint32_t(x));
h = hash_murmur3_one_32(uint32_t(y), h);
return hash_fmix32(h);
}
// NOLINTBEGIN(cppcoreguidelines-pro-type-member-init)
constexpr Vector2i() :
x(0), y(0) {}