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#include "common/timer.h"
#include "engines/engine.h"
#include "sci/include/sfx_timer.h"
#define FREQ 60
#define DELAY (1000000 / FREQ)
typedef void (*scummvm_timer_callback_t)(void *);
static scummvm_timer_callback_t scummvm_timer_callback = NULL;
static void *scummvm_timer_callback_data = NULL;
extern ::Engine *g_engine;
void scummvm_timer_update_internal(void *ptr) {
if (scummvm_timer_callback)
scummvm_timer_callback(scummvm_timer_callback_data);
}
int scummvm_timer_start(void (*func)(void *), void *data) {
if (scummvm_timer_callback) {
fprintf(stderr,
"Error: Attempt to initialize gametick timer more than once\n");
return SFX_ERROR;
}
if (!func) {
fprintf(stderr,
"Error: Attempt to initialize gametick timer w/o callback\n");
return SFX_ERROR;
}
scummvm_timer_callback = func;
scummvm_timer_callback_data = data;
::g_engine->getTimerManager()->installTimerProc(&scummvm_timer_update_internal, DELAY, NULL);
return SFX_OK;
}
int scummvm_timer_stop() {
scummvm_timer_callback = NULL;
return SFX_OK;
}
sfx_timer_t sfx_timer_scummvm = {
"ScummVM",
"0.1",
DELAY / 1000, 0,
NULL,
&scummvm_timer_start,
&scummvm_timer_stop,
0,
0
};
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