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Fix the NodePath hash function to not yield the same value for similar paths.

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This commit is contained in:
Lukas Tenbrink
2026-01-27 20:50:10 +01:00
parent a4bbad2ba8
commit a6e952c160
1 changed files with 4 additions and 13 deletions
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17
core/string/node_path.cpp
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@@ -33,20 +33,11 @@
#include "core/variant/variant.h"
void NodePath::_update_hash_cache() const {
uint32_t h = data->absolute ? 1 : 0;
int pc = data->path.size();
const StringName *sn = data->path.ptr();
for (int i = 0; i < pc; i++) {
h = h ^ sn[i].hash();
}
int spc = data->subpath.size();
const StringName *ssn = data->subpath.ptr();
for (int i = 0; i < spc; i++) {
h = h ^ ssn[i].hash();
}
StringName path = get_concatenated_names();
StringName subpath = get_concatenated_subnames();
uint32_t hash = HashMapHasherDefault::hash(Pair<const StringName &, const StringName &>(path, subpath));
data->hash_cache = is_absolute() ? hash : ~hash;
data->hash_cache_valid = true;
data->hash_cache = h;
}
void NodePath::prepend_period() {