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* Updated all static variables to have the s_ prefix and constants to upper case * Renamed missed sneaky functions in round.c (+ clang-format...) * Renamed a few more missed constants * Updated rng_update() documentation * Apply suggestions from Copilot's code review Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Added missed suggestion * Updated rng_update() comment --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
#include "state_machine.h"
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#include "game.h"
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#include "list.h"
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#include "util.h"
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static List s_update_cbs = LIST_DEFAULT;
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// Used as a No Operation for game states that have no init and/or exit function.
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// ricfehr3 did the work of determining whether a noop or a NULL check was more
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// efficient. Well, this is the answer.
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// Thanks!
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// https://github.com/cellos51/balatro-gba/issues/137#issuecomment-3322485129
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void noop(void) {};
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void state_machine_register(StateMachine* state_machine)
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{
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if (state_machine->registered)
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return;
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state_machine->registered = true;
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state_machine->active_update = noop;
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state_machine->state = UNDEFINED;
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list_push_back(&s_update_cbs, &state_machine->active_update);
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}
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void state_machine_remove(StateMachine* state_machine)
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{
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if (!state_machine->registered)
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return;
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state_machine->registered = false;
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list_remove_data(&s_update_cbs, &state_machine->active_update);
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}
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void state_machine_update(void)
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{
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ListItr itr = list_itr_create(&s_update_cbs);
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StateCallback* cb;
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while ((cb = list_itr_next(&itr)))
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{
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(*cb)();
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}
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}
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void state_machine_change_state(StateMachine* state_machine, int new_state)
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{
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if (!state_machine->registered)
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return;
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if (state_machine->state >= 0 && state_machine->state < state_machine->num_infos)
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{
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state_machine->state_infos[state_machine->state].on_exit();
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}
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if (new_state >= 0 && new_state < state_machine->num_infos)
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{
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state_machine->state_infos[new_state].on_init();
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state_machine->active_update = state_machine->state_infos[new_state].on_update;
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state_machine->state = new_state;
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}
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else
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{
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state_machine->active_update = noop;
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state_machine->state = UNDEFINED;
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}
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}
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