Programming

This tutorial will help you gain an understanding of the FireBulletsPlayer and FireBullets

Snark Grenade

Here is a little tutorial on CS-style weapon dropping.

Half-Life Graphics Part 2 - EfxAPI (German)

How to make a reloadable hornet gun

Ping Rating

Adding an ammo indicator to the HUD

here are the basic things you need in a normal weapon

Adding new advanced options

This article tries to give hints to would-be HL mod authors in many different aspects of the programming experience.

Create a Cloaked Stealth Suit in Half-Life

This is for Half-Life 1 and the GoldSrc engine

Where DiD I Hit Him (Update)

Monster Teamplay (German)

Addign a Third and Fourth attack to your mod

e. It adds detail where there was none before, and provides a much enhanced visual experience.

Voice API in SDK 2.2

Hash Tables

Basic Half-Life Weapon Coding

Finding your way around the Half-Life DLL

The Power of CVARs!

This is a quick look to see what an existing entity class, CGameText, does and how it works.

This tutorial is designed to help you create a flexible client side Zoom function for SDK2

Replace default set of NPC stepping sounds with the set from the texture they're walking on.

The final sentry will look and work something like the sentries in TFC that the engineers build, we are going to have a phase when a player builds the sentry and can give it ammo and rockets.

For eye-mode specators

TFC Concussion Fix

Half life contains some extra code dealing with dead body physics

Collection of coding snippets that may or may not work, use a a reference when building your mod

Debugging in Visual Studio 6

Part 1 in 5 part series

In this tutorial I will teach you how to use the UTIL_Bloodstream effect.

Creating the Capture Point

Static Water Simulation

Challenge based article covering the turning speed of an entity

This tutorial, while not hard to do, gives a great effect; with snarks leaving behind a smoke trail as they run.

Sparks & Smokepuffs

How to code in some fog in your mod

This tutorial almost completely explains how to do HUD graphics.

Quake style particle effects disabled but present in goldsrc

How to get Half-Life's server to compile and run on Linux boxes worldwide

Changing Tracer Effects on weapons in Half-Life

In pongles Tutorial on 'Team Coloured Text and Spectator Chat ' he has 2 small errors to fix :

Half-Life Observer Mode Tutorial

Dynamic colored lights - model color fix

No gun dropping after death

Add Entity Effects on a View Model

How to change the tripmine beam color in the console

Script for smooth mouse wheel zooming in and out in Half-Life.

This tuturial shows you how to get a message on the HUD

Launch 3 Rockets

The more coding you do, the more you'll start talking about the 'pev'

Where Did I Hit Him (Update 2)

Creating a Silenced USP (German)

Scripts (a follow up to Aliases, scripts, and binds)

Challenge based article covering getting an entities walking speed to match its animation

Here I will show you a fast and simple program and demonstrate the basics of C

How to convert the .12 Gauge shotgun into a Hand Cannon

Create a new weapon for Half-Life

This snippet gives you some simple code to utilize the client side decal clearing function to wipe all decals from the map for a round reset, or whatever.

The second part builds upon the more general information learnt in the first, describing how it applies to each of the original half-life weapons.

Weapon : FireGrenade

Usp ( Counter-Strike Style)

It has been brought to my attention that people are having problems with their OTHER VGUI menus after doing this HUD tutorial... ie: no mouse control. I have found the cause, and figured out how to fix it.

Tutorial covering the creation of multiple viewports

I will now explain how I did monster respawning in MP

Simple tutorial on creating a custom entity

Medkit Bugfix

Changing max ammo/clip capacities

A small guide, written by Valve's Alfred Reynolds, on how to debug your mod in steam.

A detailed tutorial on how the Half-Life AI hangs together. Covers Schedules, Tasks, and Monster States, with examples.

Adding Assault to Your Mod (part 3 & 4 are missing)

Weapon Clips and such

how to change the strength of weapons

Drawing a Special Credit String on the clients head's up display

Basics of coding bots in Half-Life

WaterMatch (German)

Heres a short tutorial on how to change the HUD and blood colors. Really simple.

In this, the second part in the 'Where is Poppy' modding tutorial series I take you through the steps for creating your own custom mesh loading entity

(Extension to X-0ut's custom model tut)

make the crowbar only swing once when held

Understanding hud.txt

Homing Rockets with no laser spot in Half-Life

It's been done before for Counterstrike.. but this'll go over how to make your own, including sprite display, use of vector classes etc.

here's how to create a power-shotgun

Ok, now, for starters, this tutorial will explain how to set the HUD up, and just get the basis.

In this one I hope to start on some of the navigation code and the bots use of ladders.

Changing view angles with quaternions

This is a simple tutorial to discuss making new entities, and reading their keys in your code, so you can customize them.

A checkpoint system designed for cooperative play but possible in other game modes.

The Half-Life AI is made mostly of two things, tasks and schedules

This tutorial will show you how to reset pushables, breakables, doors, dead bodies and dropped weapons.

This is going to be a fairly long tutorial on the basic data types of C.

C++ Cheat Sheet

Opening slots for old Menu System

Mp5 Burst

Change the mp5 grenade launcher to a Shotgun-cannon.

View model rendering

Making A Semi-Automatic Handgun

Make a Medic

Model Classes in Half-Life

Menus in Half-Life

This tutorial will show you how to create new damage type for the Egon.

Smoke trail behind player

Beheading Zombies

View Turrets through Barrel

Teamdeathmatch Spielmodus (German)

Precaching was one of the first stumbling blocks we encountered when we starting working with the SDK.

This article describes, step-by-step, how to create a message which can be sent from the server-side to the client-side.

A Laser-Pointer for any hl-weapon

This tutorial will describe the basics of adding new HUD componants to the client dll

These functions are key to how an entity w

Better Weapon Droping

This tut will show you how do add a function to your code that will check a players teamkill amount and justify it with an action. So here we go.

Code a Throwable Crowbar

Decals for every mp5 bullet

this tutorial will explain how to set the HUD up, and just get the basis.

Customising the HUD colour

This tutorial will alter the existing DrawHudString function in the CHud Class, we will be adding the ability for colored text and different draw modes.

Changing the HUD color

How to add a new monster to your maps.

Vehicles

Drawing a Special Credit Number on the clients head's up display!

HEV Chargers with larger charging capacity

Slots/positions Fix

Warning - this is taken from my brief investigation, but relies on having a multi-channel soundcard

Weapon Names on the HUD

Light Effect After an Grenade (Very Fast)

Spectator-style camera with clipping

Function Overloading is useful when you have a function that you want to do several different things with

how to add old school Client Side word censoring

The way that strings are handled internally in the SDK can be confusing to start with.

I am writing this tutorial because there are no tutorials on this that I can find and this effect is easy to make if you know what to do. This tutorial will be easy for people who are new to Half-Life Modding.

Fairly simple put, it allows you to create menus of different colors.

Okay this tutorial covers how to create a parachute like the one in firearms

In this tutorial, we are going to go through the steps necessary to create a menuing system for Half-Life similar to the one for Quake 2.

Notice how if you tap your crouch key very fast you bounce? This code will fix that.

Very simple done, this you now be able to taunt other players when you have the crowbar out.

This is a brief guide explaining the differences between Alias's, Scripts, and Binds.

How do you use the existing AABB collision system in Half-Life to provide a more precise collision model of an object? You simply fill it with smaller objects! Read on for more details.

All you ever wanted to know about drawing 2d sprites on the HUD.

Gauss Teleporter

Part 2 in 5 part series

Short Article Introducing C

Function to remove named items from a player's inventory.

Maintaining Class After Death

Second part of the tutorial, that includes the modification of the HUD to show 4 digits on ammo, and the modificacion on the client-server message for the weapon magazine.

Real-Time 'TRON 2.0' Glow For Low-Spec Hardware

Chumtoad firing hornetgun correction

Blast Soundwave Effect From a Weapon

how to print stuff to a client

I decided to whip up this tutorial to show you the simplicity of drawing triangles in orthogonal mode using TriAPI

How to Compile the Half-Life Standard SDK on the Linux Platform

Crosshair Tutorial (German)

instead of defining the area the sprite CANNOT be drawn in, you instead define the area the sprite CAN be drawn in.

Code a CS AK47 into Half-Life

Shooting through walls

Real-Time 'TRON 2.0' Glow in Half-Life

continued

Making a NailGun

okay, make sure to do BigGuy's tut on team spawn points first

This tutorial should be easy to follow provided that you have at least some
grounding in c++

This is really a reference tutorial which will help you create your own solid based entities for things like the CS Buy Area.

Shields

Editboxes and Images

In hl1 you can simply edit the max_ammo_carry of certain ammo type but the hud would show up to 254 of ammo, this is because the message that send the info to the client uses a byte value for it.

Checking line of sight and field of view

This is for people wanting to make their own Half-Life bot.

Add a TFC Rocket Launcher in Half-Life

Script for a kind of smooth slow motion (bullet time) in Half-Life.

To change the weapon values for multiplayer games simply open up the multiplay_gamerules.cpp

Guass Fix

How to develop a new entity that handles menus in game (ala counterstrike's 'buy weapons' menu).

Frags for killing Monsters in MP FIX

Adding weapons to the HUD

Introduction to Half-Life coding

This tutorial shows how to change the rpg rockets to home in on the closest living thing besides you.

Standing Still For 5 Seconds (Respawning)

Round based system

with the Microsoft Command-Line Compiler

Heres another tutorial for bots. This one on creating some basic bot item search code.

RPG Item Dropper

Exploding Rounds for the Python

Vectors: An Introduction

Ever noticed that grenade the MP5 fires tumbles end over end in the air

CS/TFC Spawn Delay

Made a weapon and can't figure out how in the hell to get it into the HUD?

Bigguys Team Spawn Points had a couple of errors, so here is how your fix them.

This is a brief description of the difference between an activity and a sequence. I expect it will be fleshed out in time.

Code an Admin System into Half-Life

This tutorial is about how to create a Shotgun with two types of ammo (slugs and buckshot).

Here's how to get the little red dot on turrets.

Script for a slightly better illusion of holstering and re-equipping weapon in Half-Life.

This tuturial helps you set your speed this tuturial is really easy.

how the code actually works so that you can add your own features

This tutorial will tell you how to make clientside richoche sounds. That basicly means, if you shoot at metal railings, then you hear metal richoche's etc.

This tutorial will show you how to setup a new key and console command, which can then be used in game to make the player sprint when holding the key

Different Classes In Every Team

Simple snippet for a better third person camera with player fading.

MP3-Dateien in HL abspielen (German)

How To Enable HLTV In Your Mod

In this tutorial we are going to make the secondary fire of the python fire off all six rounds.

Specify the weapons and ammo players spawn with via your server.cfg or listenserver.cfg

Red screen after Death and Damage

How to allow monsters in mp

Create an Entity like a CS Buy Zone

Here's how you PREPARE a turret to support the secondary fire mode.

Waffensystem (German)

This tutorial explains how to have snarks that don't explode after 15 seconds in your mod.

Basics on C++ Objects and Inheritance

Part 3 in 5 part series

This article is a reference to a method of using the server protocol with PHP

I tested my tutorial and found out that there was an error with the reloading with secondary attack so im attempting ot fix it

Spreadsystem (German)

Scripting with sequence files

Dynamic Lighting

good introduction to starting a Half-Life Mod

How to Align a Model Against the Floor

Activating w_ models animated animation

This tutorial will explain what you need todo in order to get a custom player animation to play.

Simulating Randomness

Change host players ping on the scoreboard to 'Host'

This tutorial shows how to make an M16 assault rifle, with an optional silencer, just like the M4 rifle from Counter-Strike.

Setting up Client side and FGD

This tutorial will somewhat describe how to create a completely new turret.

Triple-Bolt Crossbow

Adding panels and labels and such.

This article describes first line-by-line how to create a program that uses the Persistence Engine, and then suggests some ways to use it in a Half-Life mod.

You want the most easy way to rescale halflife

Old Menus System

Freezing a Player while shooting a weapon

Changing Spawn Times

Today we are going to make our monster kill

Activating w_ models animated animation

How to change your MP5 to an MP5-SD3

Health and Armor restore after frag

Changing maximum allowed weapons to 45

This will tell you how to make Client side dule shell ejections for dule guns

You wanted to know how to color the teams in the scoreboard?

Doubler Powerup

Second part of the AI tutorial. Covers how events are triggered from the monsters animation definitions (.qc file), and some addtional info on Monster Attacks.

Bullet Chasecam (German)

Die Erstellung eines Laserstrahls (German)

I decided to whip up this tutorial to show you the simplicity of drawing triangles in orthogonal mode using TriAPI

Explanation of all the MP5 code. Written by Greg Hudson.

Here is a collection of quick hints and tips that various people have asked me, but I cant be bothered to write a whole article about...

Holster Animation

Challenge based article about getting an entity to point at you while it fires

What this code will do is change the armour hud colours depending on how much armour you actually have.

Placing Breakpoints

Script for smooth zooming in and out in Half-Life.

Old Menus Fix

Green Driplles

Creating New Weapons in the 2.2 SDK

Ever wanted to use gman twice in a map with a different look?