c1k3/entity_enemy_hound.c at master · computermouth/c1k3 · GitHub

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#include "entity_enemy.h"
#include "entity_projectile_plasma.h"

#include "audio.h"

animation_t hound_animations[] = {
    {   // 0: Idle
        .time = 1,
        .num_frames = 1,
        // .frames = (uint32_t[]){0, 0},
        .frames = (animation_frame_t[]) {
            {.name = "default"},
        },
    },
    {   // 2: Run
        .time = 0.15f,
        .num_frames = 2,
        .frames = (animation_frame_t[]) {
            {.name = "run1"},
            {.name = "run2"},
        },
    },
    {   // 2: Run
        .time = 0.15f,
        .num_frames = 2,
        .frames = (animation_frame_t[]) {
            {.name = "run1"},
            {.name = "run2"},
        },
    },
    {   // 3: Attack prepare
        .time = 1,
        .num_frames = 1,
        .frames = (animation_frame_t[]) {
            {.name = "run1"},
        },
    },
    {   // 4: Attack
        .time = 0.1f,
        .num_frames = 7,
        .frames = (animation_frame_t[]) {
            {.name = "run1"},
            {.name = "run2"},
            {.name = "run2"},
            {.name = "run2"},
            {.name = "default"},
            {.name = "default"},
            {.name = "default"},
        },
    },
};

// hack for caching parsed frame names per-map
static ref_entt_t * last_ref_entt = NULL;

enemy_state_t hound_enemy_states[_ENEMY_STATE_NULL] = {
    [ENEMY_STATE_IDLE]           = {ENEMY_ANIMATION_IDLE,           0.0, 0.1, _ENEMY_STATE_NULL},
    [ENEMY_STATE_PATROL]         = {ENEMY_ANIMATION_WALK,           0.2, 0.5, _ENEMY_STATE_NULL},
    [ENEMY_STATE_FOLLOW]         = {ENEMY_ANIMATION_RUN,            1.0, 0.3, _ENEMY_STATE_NULL},
    [ENEMY_STATE_ATTACK_RECOVER] = {ENEMY_ANIMATION_IDLE,           0.0, 0.5, ENEMY_STATE_FOLLOW},
    [ENEMY_STATE_ATTACK_EXEC]    = {ENEMY_ANIMATION_ATTACK,         0.0, 1.0, ENEMY_STATE_ATTACK_RECOVER},
    [ENEMY_STATE_ATTACK_PREPARE] = {ENEMY_ANIMATION_ATTACK_PREPARE, 0.0, 0.0, ENEMY_STATE_ATTACK_EXEC},
    [ENEMY_STATE_ATTACK_AIM]     = {ENEMY_ANIMATION_IDLE,           0.0, 0.0, ENEMY_STATE_ATTACK_PREPARE},
    [ENEMY_STATE_EVADE]          = {ENEMY_ANIMATION_RUN,            1.0, 0.3, ENEMY_STATE_ATTACK_AIM},
};

void entity_enemy_hound_init(entity_t * e);
void entity_enemy_hound_did_collide_with_entity(entity_t * e, entity_t * other);
void entity_enemy_hound_attack(entity_t * e);

void entity_enemy_hound_constructor(entity_t * e) {

    char * str_p1 = entity_param_lookup("patrol", e->_params->entity_generic_params.extras);
    uint8_t patrol = 0;
    if (str_p1)
        patrol = atoi(str_p1);

    entity_enemy_constructor(e, patrol);
    e->_did_collide_with_entity = entity_enemy_hound_did_collide_with_entity;
    e->_attack = entity_enemy_hound_attack;
    entity_enemy_hound_init(e);
}

void entity_enemy_hound_init(entity_t * e) {
    e->_health = 25;
    e->_check_against = ENTITY_GROUP_PLAYER;

    e->s = vec3(12,16,12);

    e->_attack_distance = 200;
    e->_evade_distance = 64;
    e->_attack_chance = 0.7;
    e->_speed = 256;

    e->_set_state(e, e->_state);

    e->_state_collection = (enemy_state_collection_t) {
        .num_states = _ENEMY_STATE_NULL,
        .states = hound_enemy_states
    };

    e->_animation_collection = (animation_collection_t) {
        .animations = hound_animations,
        .num_animations = sizeof(hound_animations)/sizeof(hound_animations[0]),
    };

    // todo, move everything from here on to grunt_init
    entity_parse_animation_frames(
        e->_params->entity_generic_params.ref_entt,
        hound_animations,
        sizeof(hound_animations)/sizeof(hound_animations[0]),
        &last_ref_entt
    );

    entity_set_model(e);
}

void entity_enemy_hound_did_collide_with_entity(entity_t * e, entity_t * other) {
    if (!e->_did_hit && e->_state == e->_STATE_ATTACK_EXEC) {
        e->_did_hit = 1;
        other->_receive_damage(other, e, 14);
    }
}

void entity_enemy_hound_attack(entity_t * e) {
    e->_play_sound(e, sfx_enemy_hound_attack);
    e->v = vec3_rotate_y(vec3(0, 250, 600), e->_target_yaw);
    e->_on_ground = 0;
    e->_did_hit = 0;

    // Ignore ledges while attacking
    e->_keep_off_ledges = 0;
    // todo, timeouts
    // clearTimeout(this._reset_ledges);
    // this._reset_ledges = setTimeout(()=>this._keep_off_ledges = 1, 1000);
}