//---
// enemies: List of enemies and their properties
//---

#pragma once

#include "comp/entity.h"
#include "comp/mechanical.h"
#include "comp/fighter.h"
#include "game.h"
#include "geometry.h"
#include "anim.h"

/* enemy_t: Static enemy information */
typedef struct
{
    /* Enemy name (shown in wave information) */
    char const *name;
    /* Map hitbox (represents ground size, collides with walls) */
    rect hitbox;
    /* Idle animation, death animation, damage animation */
    anim_t *anim_idle, *anim_walking, *anim_attack, *anim_hit, *anim_death;
    /* Movement parameters */
    mechanical_limits_t limits;
    /* Statistics model */
    fighter_stats_t stats_base, stats_growth;
    /* Level */
    uint8_t level;
    /* Shadow size */
    uint8_t shadow_size;
    /* XP points attributed on death */
    uint16_t xp;
    /* Rendering elevation */
    fixed_t z;
    /* Size of the monster-specific data structure for IA */
    size_t ai_data_size;

} enemy_t;

/* List of enemies */
enum {
    /* ID 0 is used for the player! */
    ENEMY_SLIME_1       = 1,
    ENEMY_BAT_2         = 2,
    ENEMY_FIRE_SLIME_4  = 3,
    ENEMY_ALBINOS_BAT_6 = 4,
    ENEMY_GUNSLINGER_8  = 5,
};

/* Dynamic enemy information. */
typedef struct enemy_data {
    enemy_t const *id;
    /* Current pathfinding direction */
    vec2 pathfind_dir;
    /* Number of frames left until next pathfinding cycle */
    uint8_t pathfind_cycles;
    /* Pointer to AI-specific data */
    void *ai_data;

} enemy_data_t;

/* Get enemy data by ID. */
enemy_t const *enemy_data(int enemy_id);

/* Create a new enemy of the given type. */
entity_t *enemy_make(int enemy_id);

/* Run enemy AI for an entity */
void enemy_ai(game_t *g, entity_t *e, fixed_t dt);