rust/hedgewars-engine/src/main.rs
author sheepluva
Tue, 22 Jun 2021 22:13:55 +0200
changeset 15802 d5c37e78ab83
parent 14166 7d3b94cdc3c4
child 15805 61da40b657fa
permissions -rw-r--r--
hedgewars-engine (rust): fix "protocol_version" -> "hedgewars_engine_protocol_version" That function/symbol was renamed in ef2fc0210362

extern crate libloading;

use libloading::{Library, Symbol};
use std::ops::Deref;

struct EngineInstance {}

struct Engine<'a> {
    protocol_version: Symbol<'a, unsafe fn() -> u32>,
    start_engine: Symbol<'a, unsafe fn() -> *mut EngineInstance>,
    cleanup: Symbol<'a, unsafe fn(engine_state: *mut EngineInstance)>,
}

fn main() {
    let hwlib = Library::new("libhedgewars_engine.so").unwrap();

    unsafe {
        let engine = Engine {
            protocol_version: hwlib.get(b"hedgewars_engine_protocol_version").unwrap(),
            start_engine: hwlib.get(b"start_engine").unwrap(),
            cleanup: hwlib.get(b"cleanup").unwrap(),
        };

        println!("Hedgewars engine, protocol version {}", engine.protocol_version.deref()());
    }
}