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#![warn(clippy::all, clippy::pedantic, clippy::nursery, clippy::cargo)]
#![allow(
    clippy::cargo_common_metadata,
    clippy::many_single_char_names,
    clippy::missing_const_for_fn,
    clippy::missing_panics_doc,
    clippy::multiple_crate_versions,
    clippy::must_use_candidate,
    clippy::needless_option_as_deref,
    clippy::needless_pass_by_value,
    clippy::new_without_default,
    clippy::pedantic,
    clippy::redundant_feature_names,
    clippy::redundant_pub_crate,
    clippy::too_many_arguments,
    clippy::too_many_lines,
    clippy::unused_self,
    clippy::used_underscore_binding,
    clippy::wildcard_dependencies,
    clippy::zero_ptr
)]

#[macro_use]
mod utils;
mod audio_wrapper;
mod channel_wrapper;
mod constant_wrapper;
mod graphics_wrapper;
mod image_wrapper;
mod input_wrapper;
mod math_wrapper;
mod music_wrapper;
mod resource_wrapper;
mod sound_wrapper;
mod system_wrapper;
mod tilemap_wrapper;
#[allow(non_snake_case)]
mod variable_wrapper;

use std::mem::transmute;

use pyo3::prelude::*;
use pyxel::Pyxel;

use crate::audio_wrapper::add_audio_functions;
use crate::channel_wrapper::add_channel_class;
use crate::constant_wrapper::add_module_constants;
use crate::graphics_wrapper::add_graphics_functions;
use crate::image_wrapper::add_image_class;
use crate::input_wrapper::add_input_functions;
use crate::math_wrapper::add_math_functions;
use crate::music_wrapper::add_music_class;
use crate::resource_wrapper::add_resource_functions;
use crate::sound_wrapper::add_sound_class;
use crate::system_wrapper::add_system_functions;
use crate::tilemap_wrapper::add_tilemap_class;
use crate::variable_wrapper::add_module_variables;

static mut INSTANCE: *mut Pyxel = 0 as *mut Pyxel;

pub fn instance_exists() -> bool {
    unsafe { INSTANCE != 0 as *mut Pyxel }
}

pub fn instance() -> &'static mut Pyxel {
    if instance_exists() {
        unsafe { &mut *INSTANCE }
    } else {
        panic!("Pyxel is not initialized");
    }
}

pub fn set_instance(pyxel: Pyxel) {
    unsafe {
        INSTANCE = transmute(Box::new(pyxel));
    }
}

#[pymodule]
fn pyxel_wrapper(_py: Python, m: &PyModule) -> PyResult<()> {
    add_image_class(m)?;
    add_tilemap_class(m)?;
    add_channel_class(m)?;
    add_sound_class(m)?;
    add_music_class(m)?;

    add_module_constants(m)?;
    add_module_variables(m)?;

    add_system_functions(m)?;
    add_resource_functions(m)?;
    add_input_functions(m)?;
    add_graphics_functions(m)?;
    add_audio_functions(m)?;
    add_math_functions(m)?;

    Ok(())
}