#include "kubo_wall.h"

struct kubo_wall *kubo_wall_init() {
    struct kubo_wall *wall = malloc(sizeof(struct kubo_wall));

    if (!wall)
        return NULL;

    wall->num_vertices_alloc = KUBO_WALL_INIT_VERTICES;
    wall->vertices = malloc(sizeof(Vector2) * wall->num_vertices_alloc);
    wall->num_vertices = 0;
    wall->state = KUBO_WALL_INIT;

    return wall;
}

void kubo_wall_cleanup(struct kubo_wall *wall) {
    free(wall->vertices);
    free(wall);
}

bool kubo_wall_append(struct kubo_wall *wall, Vector2 vertex) {

    Vector2 *new_vertices;

    if (wall->num_vertices == wall->num_vertices_alloc - 1) {

        wall->num_vertices_alloc *= 2;

        new_vertices =
            realloc(wall->vertices, sizeof(Vector2) * wall->num_vertices_alloc);

        if (!new_vertices)
            return false;

        wall->vertices = new_vertices;
    }

    wall->vertices[wall->num_vertices++] = vertex;

    return true;
}