Fix BTState overwriting blackboard variables on init

This commit is contained in:
Serhii Snitsaruk 2024-08-15 22:15:53 +02:00
parent d7438b8a8d
commit 000f9c15d8
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GPG Key ID: A965EF8799FFEC2D
4 changed files with 5 additions and 2 deletions

View File

@ -49,6 +49,7 @@ public:
Variant get_var(const StringName &p_name, const Variant &p_default = Variant(), bool p_complain = true) const;
void set_var(const StringName &p_name, const Variant &p_value);
bool has_var(const StringName &p_name) const;
_FORCE_INLINE_ bool has_local_var(const StringName &p_name) const { return data.has(p_name); }
void erase_var(const StringName &p_name);
void clear() { data.clear(); }
TypedArray<StringName> list_vars() const;

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@ -416,7 +416,7 @@ void BlackboardPlan::populate_blackboard(const Ref<Blackboard> &p_blackboard, bo
ERR_FAIL_COND(p_node == nullptr && prefetch_nodepath_vars);
ERR_FAIL_COND(p_blackboard.is_null());
for (const Pair<StringName, BBVariable> &p : var_list) {
if (p_blackboard->has_var(p.first) && !overwrite) {
if (p_blackboard->has_local_var(p.first) && !overwrite) {
continue;
}
bool has_mapping = parent_scope_mapping.has(p.first);

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@ -183,6 +183,7 @@ void BTPlayer::_notification(int p_notification) {
blackboard = Ref<Blackboard>(memnew(Blackboard));
}
if (blackboard_plan.is_valid()) {
// Don't overwrite existing blackboard values as they may be initialized from code.
blackboard_plan->populate_blackboard(blackboard, false, this);
}
if (behavior_tree.is_valid()) {

View File

@ -95,7 +95,8 @@ void LimboState::_initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard)
blackboard = p_blackboard;
}
if (blackboard_plan.is_valid() && !blackboard_plan->is_empty()) {
blackboard_plan->populate_blackboard(blackboard, true, this);
// Don't overwrite existing blackboard values as they may be initialized from code.
blackboard_plan->populate_blackboard(blackboard, false, this);
}
_setup();