// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams

#ifndef	_TIMER_H_
#define	_TIMER_H_

#include "../common/cbasetypes.h"

#define DIFF_TICK(a,b) ((int)((a)-(b)))

#define INVALID_TIMER -1

// timer flags
enum {
	TIMER_ONCE_AUTODEL = 0x01,
	TIMER_INTERVAL = 0x02,
	TIMER_REMOVE_HEAP = 0x10,
};

// Struct declaration

typedef int (*TimerFunc)(int tid, unsigned int tick, int id, intptr_t data);

struct TimerData {
	unsigned int tick;
	TimerFunc func;
	int type;
	int interval;
	int heap_pos;

	// general-purpose storage
	int id; 
	intptr_t data;
};

// Function prototype declaration

int do_timer(unsigned int tick);
void timer_init(void);
void timer_final(void);

/* Hercules Renewal Phase One */
unsigned int (*gettick) (void);
unsigned int (*gettick_nocache) (void);

int (*add_timer) (unsigned int tick, TimerFunc func, int id, intptr_t data);
int (*add_timer_interval) (unsigned int tick, TimerFunc func, int id, intptr_t data, int interval);
const struct TimerData *(*get_timer) (int tid);
int (*delete_timer) (int tid, TimerFunc func);

int (*addtick_timer) (int tid, unsigned int tick);
int (*settick_timer) (int tid, unsigned int tick);

int (*add_timer_func_list) (TimerFunc func, char* name);

unsigned long (*get_uptime) (void);

void timer_defaults(void);

#endif /* _TIMER_H_ */