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High-Performance C# for Space Engineers Mods

Writing fast C# inside Space Engineers mod scripts means working with tight constraints: one game thread shared with the whole game world, a frame budget of milliseconds per tick, and a compiler that adds invisible overhead to every method you write.

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C# 6 Syntax Constraints

The SE compiler is old. Here are some things to avoid and what to use instead:

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High-Performance C# for Space Engineers Programmable Blocks

Writing fast C# inside Space Engineers programmable blocks means working with tight constraints: 50K instructions per tick, one thread shared with the whole game world, and a compiler that adds invisible overhead to almost everything you write.

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C# 6 Syntax Constraints

The SE compiler is old. Here are some things to avoid and what to use instead:

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public class AimService
{
    const double ErrorThreshold = 0.01 / 180.0 * Math.PI;
    const double MinVelThreshold = 0.005 / 180.0 * Math.PI;
    const double AmpThreshold = 10 / 180.0 * Math.PI;

    const double GyroMaxRpm = Math.PI;

    // Threshold to determine if we're facing away from a vector dot product.
    const double Opposite = -0.99999;

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Here's the quick rundown from what I've gathered on the discord + some personal testing: Generally start with the lightest kit you can. If some of the bugs featured here have been fixed, let me know (E.g. side plates not working).

Gear stuff:

• Weight really matters. Sprint speed/stamina loss is linear based on weight up ~45kg, so the lighter you can make your kit the better. A 25KG vs 35KG kit has a very noticeable difference in stamina loss when sprinting.
• Empty your medkit (double click it, then right click each item in there to remove it, this is a pain) - this lets you keep a medkit for healing but it's 1kg instead of 3.62.
• Don't forget a radio and map!
• I carry 6 bandages, 4 each of morphine/epi, and a single saline. You may want more but I rarely run out and you can always steal bandages off people you kill if you survive.
• I also always carry a flashlight (helps at night for map reading) and a shovel as well as wirecutters. If you put your wirecutters and flashlight in your shirt it makes them

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package main

import (
	"io/ioutil"
	"log"
	"net/http"

	"github.com/julienschmidt/httprouter"
	"github.com/tylertreat/BoomFilters"
)

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string tofromIPpattern = @"((?:\d{1,3}\.){3}\d{1,3})\s*-\s*((?:\d{1,3}\.){3}\d{1,3})";

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extern crate toml;

use decode::Decoder;
use message::Message;
use std::error::Error;

#[derive(Default)]
pub struct JsonDecoder {
    value: i64,
}

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extern crate toml;

use decode::Decoder;
use message::Message;
use std::error::Error;

pub struct JsonDecoder {
    _dummy: i32,
}

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-module(mod_admin_cluster).
-author('highlyunavailable@gmail.com').

-behaviour(gen_mod).

-export([
         join_cluster_as_master/1,
         join_cluster/1,
         leave_cluster/0,
         leave_cluster/1,