wasabi_sdl/enemy.cpp at master · aphsai/wasabi_sdl · GitHub

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#include "enemy.hpp"
#include "components.hpp"
#include "defs.hpp"

Enemy::Enemy(int x, int y, Entity* p) {
    n_xpos = xpos = x;
    n_ypos = ypos = y;
    //width = TILESHEET_SIZE * SCALING;
    //height = TILESHEET_SIZE * SCALING;
    width = 23;
    height = 12;
    player = p;

    generateTag();
    init();
    addAnimations();
}

void Enemy::addAnimations() {
    GraphicsComponent* gc = &getComponent<GraphicsComponent>(GRAPHICS_COMPONENT);
    //gc->addAnimation(WALK, SDL_Rect { 15 * TILESHEET_SIZE, 0 * TILESHEET_SIZE, TILESHEET_SIZE, TILESHEET_SIZE }, 1, 10);
    //gc->addAnimation(PERISH, SDL_Rect { 15 * TILESHEET_SIZE, 0 * TILESHEET_SIZE, TILESHEET_SIZE, TILESHEET_SIZE }, 1, 10);
}

void Enemy::init() {
    addComponent<GraphicsComponent>(GRAPHICS_COMPONENT, SDL_Rect { 20 * TILESHEET_SIZE, 12 * TILESHEET_SIZE, TILESHEET_SIZE, TILESHEET_SIZE });
    addComponent<PhysicsComponent>(PHYSICS_COMPONENT);
    addComponent<ColliderComponent>(COLLIDER_COMPONENT, ENEMY);
    addComponent<HealthComponent>(HEALTH_COMPONENT, 40, 40);
    addAnimations();
    initComponents();
}

void Enemy::update() {
    GraphicsComponent* gc = &getComponent<GraphicsComponent>(GRAPHICS_COMPONENT);
    if (getComponent<HealthComponent>(HEALTH_COMPONENT).dead) {
        gc->setAnimation(PERISH);
        if (gc->animation_complete) {
            mark_remove = true;
        }
    } else {
        if ((player->xpos - xpos) * (player->xpos - xpos) + (player->ypos - ypos) * (player->ypos - ypos) < 10000) {
            PhysicsComponent *pc = &getComponent<PhysicsComponent>(PHYSICS_COMPONENT);
            pc->xvel = player->xpos - xpos;
            gc->setAnimation(WALK);
        }
    }
    updateComponents();
}

void Enemy::draw() {
    drawComponents();
}

Enemy::~Enemy() {}