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Add warning when calling is_action_just_pressed() from _input()

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Calling `is_action_just_pressed()` and `is_action_just_released()` from `_input()` is liable to cause duplicate detection bugs in user code.
This commit is contained in:
lawnjelly
2024-09-28 08:48:06 +01:00
parent 361b0dff17
commit 287bc6f41e
2 changed files with 30 additions and 0 deletions
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16
main/input_default.cpp
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@@ -111,6 +111,12 @@ bool InputDefault::is_action_pressed(const StringName &p_action, bool p_exact) c
}
bool InputDefault::is_action_just_pressed(const StringName &p_action, bool p_exact) const {
#ifdef TOOLS_ENABLED
if (_currently_parsing_input) {
WARN_PRINT_ONCE("Prefer InputEvent.is_action_pressed() within input event callbacks to prevent detecting duplicates.");
}
#endif
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), false, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
@@ -132,6 +138,12 @@ bool InputDefault::is_action_just_pressed(const StringName &p_action, bool p_exa
}
bool InputDefault::is_action_just_released(const StringName &p_action, bool p_exact) const {
#ifdef TOOLS_ENABLED
if (_currently_parsing_input) {
WARN_PRINT_ONCE("Prefer InputEvent.is_action_released() within input event callbacks to prevent detecting duplicates.");
}
#endif
ERR_FAIL_COND_V_MSG(!InputMap::get_singleton()->has_action(p_action), false, InputMap::get_singleton()->suggest_actions(p_action));
const Map<StringName, Action>::Element *E = action_state.find(p_action);
if (!E) {
@@ -327,6 +339,10 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
// Regardless where the event came from originally, this has to happen on the main thread.
DEV_ASSERT(Thread::get_caller_id() == Thread::get_main_id());
#ifdef TOOLS_ENABLED
InputGuard guard(_currently_parsing_input);
#endif
// Notes on mouse-touch emulation:
// - Emulated mouse events are parsed, that is, re-routed to this method, so they make the same effects
// as true mouse events. The only difference is the situation is flagged as emulated so they are not