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// Copyright (c) 2014 by SiegeLord
//
// All rights reserved. Distributed under ZLib. For full terms see the file LICENSE.

use libc::*;

include!(concat!(env!("OUT_DIR"), "/versions.rs"));

pub const ALLEGRO_VERSION_INT: u32 = (ALLEGRO_VERSION << 24)
	| (ALLEGRO_SUB_VERSION << 16)
	| (ALLEGRO_WIP_VERSION << 8)
	| ALLEGRO_RELEASE_NUMBER;

extern "C" {
	pub fn al_get_allegro_version() -> u32;
	pub fn al_run_main(
		argc: c_int, argv: *const *const c_char,
		user_main: extern "C" fn(argc: c_int, argv: *const *const c_char) -> c_int,
	) -> c_int;
}

pub const ALLEGRO_PI: f64 = 3.14159265358979323846;

#[allow(non_snake_case)]
pub fn AL_ID(a: u8, b: u8, c: u8, d: u8) -> u32
{
	((a as u32) << 24) | ((b as u32) << 16) | ((c as u32) << 8) | (d as u32)
}