Clean up Hash Functions

Clean up and do fixes to hash functions and newly introduced murmur3 hashes in #61934
* Clean up usage of murmur3
* Fixed usages of binary murmur3 on floats (this is invalid)
* Changed DJB2 to use xor (which seems to be better)
This commit is contained in:
reduz 2022-06-18 16:20:55 +02:00
parent 8e3d9a23aa
commit 141c375581
40 changed files with 391 additions and 236 deletions

View file

@ -70,9 +70,9 @@ class GodotArea2D : public GodotCollisionObject2D {
static uint32_t hash(const BodyKey &p_key) {
uint32_t h = hash_one_uint64(p_key.rid.get_id());
h = hash_djb2_one_64(p_key.instance_id, h);
h = hash_djb2_one_32(p_key.area_shape, h);
return hash_djb2_one_32(p_key.body_shape, h);
h = hash_murmur3_one_64(p_key.instance_id, h);
h = hash_murmur3_one_32(p_key.area_shape, h);
return hash_fmix32(hash_murmur3_one_32(p_key.body_shape, h));
}
_FORCE_INLINE_ bool operator==(const BodyKey &p_key) const {