#ifndef _AOI_H
#define _AOI_H

#include "utils.h"

typedef struct aoi_event
{
    char e; //"A","U","D"
    int id;
    int x;
    int y;
} Event;

typedef struct aoi_cache
{
    char e;
    int id;
    int x;
    int y;
} Cache;

typedef struct aoi_obj
{
    int id;
    int x;
    int y;
    int is_maker;
    int is_watcher;
} Obj;

typedef struct aoi_grid
{
    int idx;
    HashTable *watchers;
    HashTable *makers;
    HashTable *caches;
} Grid;

typedef struct aoi_world
{
    int row;
    int col;
    Grid **grids;
    HashTable *where_is; //id在哪个格子 实时的
    HashTable *pre_where_is;
    HashTable *watcher_grids;
} World;

World *aoi_create_world(int row, int col);

int aoi_add_obj(World *w, int id, int x, int y, int is_maker, int is_watcher);
int aoi_del_obj(World *w, int id);
int aoi_set_obj(World *w, int id, int x, int y);

void aoi_update_aoi(World *w, void *lua_state);

void aoi_get_cost_time(void *lua_state);
#endif