diff options
Diffstat (limited to 'core/templates/hashfuncs.h')
| -rw-r--r-- | core/templates/hashfuncs.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/core/templates/hashfuncs.h b/core/templates/hashfuncs.h index 2a129f97d5..eb73ff4ede 100644 --- a/core/templates/hashfuncs.h +++ b/core/templates/hashfuncs.h @@ -31,14 +31,22 @@ #ifndef HASHFUNCS_H #define HASHFUNCS_H +#include "core/math/aabb.h" #include "core/math/math_defs.h" #include "core/math/math_funcs.h" +#include "core/math/rect2.h" +#include "core/math/rect2i.h" +#include "core/math/vector2.h" +#include "core/math/vector2i.h" +#include "core/math/vector3.h" +#include "core/math/vector3i.h" #include "core/object/object_id.h" #include "core/string/node_path.h" #include "core/string/string_name.h" #include "core/string/ustring.h" #include "core/templates/rid.h" #include "core/typedefs.h" + /** * Hashing functions */ @@ -178,6 +186,49 @@ struct HashMapHasherDefault { static _FORCE_INLINE_ uint32_t hash(const StringName &p_string_name) { return p_string_name.hash(); } static _FORCE_INLINE_ uint32_t hash(const NodePath &p_path) { return p_path.hash(); } + static _FORCE_INLINE_ uint32_t hash(const Vector2i &p_vec) { + uint32_t h = hash_djb2_one_32(p_vec.x); + return hash_djb2_one_32(p_vec.y, h); + } + static _FORCE_INLINE_ uint32_t hash(const Vector3i &p_vec) { + uint32_t h = hash_djb2_one_32(p_vec.x); + h = hash_djb2_one_32(p_vec.y, h); + return hash_djb2_one_32(p_vec.z, h); + } + + static _FORCE_INLINE_ uint32_t hash(const Vector2 &p_vec) { + uint32_t h = hash_djb2_one_float(p_vec.x); + return hash_djb2_one_float(p_vec.y, h); + } + static _FORCE_INLINE_ uint32_t hash(const Vector3 &p_vec) { + uint32_t h = hash_djb2_one_float(p_vec.x); + h = hash_djb2_one_float(p_vec.y, h); + return hash_djb2_one_float(p_vec.z, h); + } + + static _FORCE_INLINE_ uint32_t hash(const Rect2i &p_rect) { + uint32_t h = hash_djb2_one_32(p_rect.position.x); + h = hash_djb2_one_32(p_rect.position.y, h); + h = hash_djb2_one_32(p_rect.size.x, h); + return hash_djb2_one_32(p_rect.size.y, h); + } + + static _FORCE_INLINE_ uint32_t hash(const Rect2 &p_rect) { + uint32_t h = hash_djb2_one_float(p_rect.position.x); + h = hash_djb2_one_float(p_rect.position.y, h); + h = hash_djb2_one_float(p_rect.size.x, h); + return hash_djb2_one_float(p_rect.size.y, h); + } + + static _FORCE_INLINE_ uint32_t hash(const AABB &p_aabb) { + uint32_t h = hash_djb2_one_float(p_aabb.position.x); + h = hash_djb2_one_float(p_aabb.position.y, h); + h = hash_djb2_one_float(p_aabb.position.z, h); + h = hash_djb2_one_float(p_aabb.size.x, h); + h = hash_djb2_one_float(p_aabb.size.y, h); + return hash_djb2_one_float(p_aabb.size.z, h); + } + //static _FORCE_INLINE_ uint32_t hash(const void* p_ptr) { return uint32_t(uint64_t(p_ptr))*(0x9e3779b1L); } }; @@ -196,4 +247,38 @@ struct HashMapComparatorDefault { } }; +constexpr uint32_t HASH_TABLE_SIZE_MAX = 29; + +const uint32_t hash_table_size_primes[HASH_TABLE_SIZE_MAX] = { + 5, + 13, + 23, + 47, + 97, + 193, + 389, + 769, + 1543, + 3079, + 6151, + 12289, + 24593, + 49157, + 98317, + 196613, + 393241, + 786433, + 1572869, + 3145739, + 6291469, + 12582917, + 25165843, + 50331653, + 100663319, + 201326611, + 402653189, + 805306457, + 1610612741, +}; + #endif // HASHFUNCS_H |