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Use the new virtual workaround and rework LimboState and HSM

This commit is contained in:
Serhii Snitsaruk 2024-01-18 11:32:32 +01:00
parent 390d4a9385
commit a3f8c09766
6 changed files with 64 additions and 55 deletions
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32
hsm/limbo_hsm.cpp
View File

@ -49,9 +49,9 @@ void LimboHSM::set_active(bool p_active) {
set_process_input(p_active);
if (active) {
_do_enter();
_enter();
} else {
_do_exit();
_exit();
}
}
@ -60,41 +60,41 @@ void LimboHSM::_change_state(LimboState *p_state) {
ERR_FAIL_COND(p_state->get_parent() != this);
if (active_state) {
active_state->_do_exit();
active_state->_exit();
}
active_state = p_state;
active_state->_do_enter();
active_state->_enter();
emit_signal(LimboStringNames::get_singleton()->state_changed, active_state);
}
void LimboHSM::_do_enter() {
void LimboHSM::_enter() {
ERR_FAIL_COND_MSG(get_child_count() == 0, "LimboHSM has no candidate for initial substate.");
ERR_FAIL_COND(active_state != nullptr);
ERR_FAIL_COND_MSG(initial_state == nullptr, "LimboHSM: Initial state is not set.");
LimboState::_do_enter();
LimboState::_enter();
_change_state(initial_state);
}
void LimboHSM::_do_exit() {
void LimboHSM::_exit() {
ERR_FAIL_COND(active_state == nullptr);
active_state->_do_exit();
active_state->_exit();
active_state = nullptr;
LimboState::_do_exit();
LimboState::_exit();
}
void LimboHSM::_do_update(double p_delta) {
void LimboHSM::_update(double p_delta) {
if (active) {
ERR_FAIL_COND(active_state == nullptr);
LimboState::_do_update(p_delta);
active_state->_do_update(p_delta);
LimboState::_update(p_delta);
active_state->_update(p_delta);
}
}
void LimboHSM::update(double p_delta) {
_do_update(p_delta);
_update(p_delta);
}
void LimboHSM::add_transition(Node *p_from_state, Node *p_to_state, const String &p_event) {
@ -181,7 +181,7 @@ bool LimboHSM::dispatch(const String &p_event, const Variant &p_cargo) {
}
if (!event_consumed && p_event == LW_NAME(EVENT_FINISHED) && !(get_parent() && get_parent()->is_class("LimboState"))) {
_do_exit();
_exit();
}
return event_consumed;
@ -226,10 +226,10 @@ void LimboHSM::_notification(int p_what) {
case NOTIFICATION_POST_ENTER_TREE: {
} break;
case NOTIFICATION_PROCESS: {
_do_update(get_process_delta_time());
_update(get_process_delta_time());
} break;
case NOTIFICATION_PHYSICS_PROCESS: {
_do_update(get_physics_process_delta_time());
_update(get_physics_process_delta_time());
} break;
}
}

10
hsm/limbo_hsm.h
View File

@ -44,9 +44,9 @@ protected:
virtual void _initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard) override;
virtual void _do_enter() override;
virtual void _do_exit() override;
virtual void _do_update(double p_delta) override;
virtual void _enter() override;
virtual void _exit() override;
virtual void _update(double p_delta) override;
void _change_state(LimboState *p_state);
@ -54,7 +54,7 @@ public:
void set_update_mode(UpdateMode p_mode) { update_mode = p_mode; }
UpdateMode get_update_mode() const { return update_mode; }
LimboState *get_active_state() const { return active_state; };
LimboState *get_active_state() const { return active_state; }
LimboState *get_leaf_state() const;
void set_active(bool p_active);
@ -67,7 +67,7 @@ public:
void update(double p_delta);
void add_transition(Node *p_from_state, Node *p_to_state, const String &p_event);
// void add_transition_from_any_state(Node *p_to_state, const String &p_event);
LimboState *anystate() const { return nullptr; };
LimboState *anystate() const { return nullptr; }
LimboHSM();
};

40
hsm/limbo_state.cpp
View File

@ -37,27 +37,32 @@ LimboState *LimboState::get_root() const {
LimboState *LimboState::named(String p_name) {
set_name(p_name);
return this;
};
}
void LimboState::_do_enter() {
void LimboState::_enter() {
active = true;
VCALL_OR_NATIVE(_enter);
VCALL(_enter);
emit_signal(LimboStringNames::get_singleton()->entered);
};
}
void LimboState::_do_exit() {
void LimboState::_exit() {
if (!active) {
return;
}
VCALL_OR_NATIVE(_exit);
VCALL(_exit);
emit_signal(LimboStringNames::get_singleton()->exited);
active = false;
};
}
void LimboState::_do_update(double p_delta) {
VCALL_OR_NATIVE_ARGS(_update, p_delta);
void LimboState::_update(double p_delta) {
VCALL_ARGS(_update, p_delta);
emit_signal(LimboStringNames::get_singleton()->updated, p_delta);
};
}
void LimboState::_setup() {
VCALL(_setup);
emit_signal(LimboStringNames::get_singleton()->setup);
}
void LimboState::_initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard) {
ERR_FAIL_COND(p_agent == nullptr);
@ -71,15 +76,9 @@ void LimboState::_initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard)
}
}
VCALL_OR_NATIVE(_setup);
emit_signal(LimboStringNames::get_singleton()->setup);
_setup();
}
void LimboState::_setup() {}
void LimboState::_enter() {}
void LimboState::_exit() {}
void LimboState::_update(double p_delta) {}
bool LimboState::dispatch(const String &p_event, const Variant &p_cargo) {
ERR_FAIL_COND_V(p_event.is_empty(), false);
if (handlers.size() > 0 && handlers.has(p_event)) {
@ -189,10 +188,7 @@ void LimboState::_bind_methods() {
GDVIRTUAL_BIND(_exit);
GDVIRTUAL_BIND(_update, "p_delta");
#elif LIMBOAI_GDEXTENSION
ClassDB::bind_method(D_METHOD("_setup"), &LimboState::_setup);
ClassDB::bind_method(D_METHOD("_enter"), &LimboState::_enter);
ClassDB::bind_method(D_METHOD("_exit"), &LimboState::_exit);
ClassDB::bind_method(D_METHOD("_update", "p_delta"), &LimboState::_update);
// TODO: Registering virtual functions is not available in godot-cpp...
#endif
ADD_PROPERTY(PropertyInfo(Variant::STRING, "EVENT_FINISHED", PROPERTY_HINT_NONE, "", 0), "", "event_finished");
@ -204,7 +200,7 @@ void LimboState::_bind_methods() {
ADD_SIGNAL(MethodInfo("entered"));
ADD_SIGNAL(MethodInfo("exited"));
ADD_SIGNAL(MethodInfo("updated", PropertyInfo(Variant::FLOAT, "p_delta")));
};
}
LimboState::LimboState() {
agent = nullptr;

7
hsm/limbo_state.h
View File

@ -56,7 +56,6 @@ protected:
virtual void _initialize(Node *p_agent, const Ref<Blackboard> &p_blackboard);
// Implemented in GDScript:
virtual void _setup();
virtual void _enter();
virtual void _exit();
@ -69,15 +68,9 @@ protected:
GDVIRTUAL1(_update, double);
#endif // LIMBOAI_MODULE
virtual void _do_enter();
virtual void _do_exit();
virtual void _do_update(double p_delta);
void add_event_handler(const String &p_event, const Callable &p_handler);
public:
static String EVENT_FINISHED() { return LW_NAME(EVENT_FINISHED); }
Ref<Blackboard> get_blackboard() const { return blackboard; }
Node *get_agent() const { return agent; }

2
tests/test_hsm.h
View File

@ -136,7 +136,7 @@ TEST_CASE("[Modules][LimboAI] HSM") {
CHECK(beta_updates->num_callbacks == 2);
CHECK(beta_exits->num_callbacks == 1);
hsm->dispatch(LimboState::EVENT_FINISHED());
hsm->dispatch(hsm->event_finished());
CHECK(alpha_entries->num_callbacks == 2);
CHECK(alpha_updates->num_callbacks == 3);
CHECK(alpha_exits->num_callbacks == 2); // * exited

28
util/limbo_compat.h
View File

@ -58,8 +58,9 @@
// * Virtual calls
#define VCALL(m_name, ...) (GDVIRTUAL_CALL(m_name, __VA_ARGS__))
#define VCALL_ARGS(method, ...) (call(LW_NAME(method), __VA_ARGS__))
#define VCALL_ARGS(m_name, ...) (GDVIRTUAL_CALL(m_name, __VA_ARGS__))
#define VCALL_V(m_name, r_ret) (GDVIRTUAL_CALL(m_name, r_ret))
#define VCALL_ARGS_V(m_name, r_ret, ...) (GDVIRTUAL_CALL(m_name, __VA_ARGS__, r_ret))
#define VCALL_OR_NATIVE(m_name) \
if (!GDVIRTUAL_CALL(m_name)) { \
@ -139,10 +140,29 @@ using namespace godot;
// * Virtual calls:
// * This is a workaround for missing ClassDB::add_virtual_method().
// ! When using these macros, DON'T BIND the native virtual methods!
// -----------------------------
// VCALL*: only calls a script version if present.
// VCALL_OR_NATIVE*: calls a script version if present; otherwise, calls the native version.
#define VCALL(m_name) (call(LW_NAME(m_name)))
#define VCALL_ARGS(m_name, ...) (call(LW_NAME(m_name), __VA_ARGS__))
#define VCALL_V(m_name, r_ret) (r_ret = call(LW_NAME(m_name)))
#define VCALL(m_name) \
if (has_method(LW_NAME(m_name))) { \
call(LW_NAME(m_name)); \
}
#define VCALL_ARGS(m_name, ...) \
if (has_method(LW_NAME(m_name))) { \
call(LW_NAME(m_name), __VA_ARGS__); \
}
#define VCALL_V(m_name, r_ret) \
if (has_method(LW_NAME(m_name))) { \
r_ret = call(LW_NAME(m_name)); \
}
#define VCALL_ARGS_V(m_name, r_ret, ...) \
if (has_method(LW_NAME(m_name))) { \
r_ret = call(LW_NAME(m_name, __VA_ARGS__)); \
}
#define VCALL_OR_NATIVE(m_name) \
if (has_method(LW_NAME(m_name))) { \