#pragma once
#include "lua.h"

#define MIN_DIR_ERR 5.0*M_PI/180.
#define MAX_DIR_ERR 0.5*M_PI/180.
#define MIN_VEL_ERR 5.0

#define FACE_WVEL       0.1 /* Weight of velocity compared to position to face. */

/* Max number of AI timers. */
#define MAX_AI_TIMERS 2

typedef enum TaskData_ { TYPE_NULL, TYPE_INT, TYPE_PTR } TaskData;

/* Basic task. */
typedef struct Task_ {
  struct Task_* next;
  char* name;

  TaskData dtype;
  union {
    void* target; /* Vec2 etc. */
    unsigned int ID; /* Pilot ID etc. */
  } dat;
} Task;

/* Ai profile. */
typedef struct AI_Profile_ {
  char* name;
  lua_State* L;
} AI_Profile;

/* Misc. */
AI_Profile* ai_getProfile(char* name);

int ai_init(void);
void ai_exit(void);