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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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9
core/math/rect2.h
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@ -32,6 +32,7 @@
#include "core/error/error_macros.h"
#include "core/math/vector2.h"
#include "core/templates/hashfuncs.h"
class String;
struct Rect2i;
@ -361,6 +362,14 @@ struct [[nodiscard]] Rect2 {
explicit operator String() const;
operator Rect2i() const;
uint32_t hash() const {
uint32_t h = hash_murmur3_one_real(position.x);
h = hash_murmur3_one_real(position.y, h);
h = hash_murmur3_one_real(size.x, h);
h = hash_murmur3_one_real(size.y, h);
return hash_fmix32(h);
}
Rect2() = default;
constexpr Rect2(real_t p_x, real_t p_y, real_t p_width, real_t p_height) :
position(Point2(p_x, p_y)),