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)

2 files changed, 3 insertions, 4 deletions

diff --git a/modules/mono/managed_callable.cpp b/modules/mono/managed_callable.cpp
index 4f7783b765..c159bb9eea 100644
--- a/modules/mono/managed_callable.cpp
+++ b/modules/mono/managed_callable.cpp
@@ -66,9 +66,8 @@ bool ManagedCallable::compare_less(const CallableCustom *p_a, const CallableCust
 }
 
 uint32_t ManagedCallable::hash() const {
-	// hmm
 	uint32_t hash = delegate_invoke->get_name().hash();
-	return hash_djb2_one_64(delegate_handle.handle, hash);
+	return hash_murmur3_one_64(delegate_handle.handle, hash);
 }
 
 String ManagedCallable::get_as_text() const {
diff --git a/modules/mono/signal_awaiter_utils.cpp b/modules/mono/signal_awaiter_utils.cpp
index 315a9c29f6..618e1b58e0 100644
--- a/modules/mono/signal_awaiter_utils.cpp
+++ b/modules/mono/signal_awaiter_utils.cpp
@@ -63,7 +63,7 @@ bool SignalAwaiterCallable::compare_less(const CallableCustom *p_a, const Callab
 
 uint32_t SignalAwaiterCallable::hash() const {
 	uint32_t hash = signal.hash();
-	return hash_djb2_one_64(target_id, hash);
+	return hash_murmur3_one_64(target_id, hash);
 }
 
 String SignalAwaiterCallable::get_as_text() const {
@@ -164,7 +164,7 @@ bool EventSignalCallable::compare_less(const CallableCustom *p_a, const Callable
 
 uint32_t EventSignalCallable::hash() const {
 	uint32_t hash = event_signal->field->get_name().hash();
-	return hash_djb2_one_64(owner->get_instance_id(), hash);
+	return hash_murmur3_one_64(owner->get_instance_id(), hash);
 }
 
 String EventSignalCallable::get_as_text() const {