RogueLife/src/enemies.h

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

#pragma once

#include "geometry.h"
#include "anim.h"
#include "entities.h"

/* enemy_stat_t: Statistic base and growth */
typedef struct {
    /* Base value at level 1 */
    fixed_t base;
    /* Initial per-level growth */
    fixed_t growth;
    /* Per-level increase of growth */
    fixed_t affinity;

} enemy_stat_t;

/* enemy_t: Static enemy information */
typedef struct {
    /* Enemy name (showed in wave information) */
    char const *name;
    /* Map hitbox (represents ground size, collides with walls) */
    frect_t hitbox;
    /* Sprite hitbox (interacts with attacks and effect areas) */
    frect_t sprite;
    /* Idle animation, death animation, damage animation */
    anim_frame_t *anim_idle[2], *anim_walking[2], *anim_hit[2], *anim_death[2];
    /* Movement parameters */
    entity_movement_params_t movement_params;
    /* Statistics model */
    enemy_stat_t HP, ATK, DEF;

} enemy_t;

/* List of enemies */
enum {
    /* ID 0 is used for the player! */
    ENEMY_SLIME = 1,
    ENEMY_BAT = 2,
};

/* Array of enemy data */
extern enemy_t const * const enemies[];

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