John Alanbrook
c87f85cf6c
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38 lines
965 B
C
38 lines
965 B
C
#ifndef TIMER_H
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#define TIMER_H
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#include <stdint.h>
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#include <SDL3/SDL.h>
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typedef Uint32 (*TimerCallback)(Uint32 timer_id, Uint32 interval, void *param);
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typedef struct {
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Uint32 id;
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uint64_t due_ns;
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uint64_t interval_ns;
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TimerCallback callback;
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void *param;
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} cell_timer_t;
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/* Initialize timer system - must be called once */
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void timer_init(void);
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/* Shutdown timer system - must be called before exit */
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void timer_quit(void);
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/* Schedule a new timer to fire after delay_ns nanoseconds */
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Uint32 add_timer_ns(uint64_t delay_ns, TimerCallback callback, void *param);
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/* Cancel a pending timer by its ID */
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void remove_timer(Uint32 id);
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/* Process due timers - call once per main loop iteration */
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void process_due_timers(void);
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/* Get time until next timer expires (in nanoseconds) */
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uint64_t next_timeout_ns(void);
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/* Get current monotonic time in nanoseconds */
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uint64_t get_time_ns(void);
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#endif /* TIMER_H */ |