Programming

Here is a fix for people having problems with DarkKnight's team VGUI tutorial

Steam-Developing Q&A (German)

Gauss Teleporter

In this, the first part in the 'Where is Poppy' modding tutorial series i highlight the steps required for setting up your GoldSrc Mod for its first run

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

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

This tutorial will show you how to remove blood and gore from Half Life.

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

Dynamically Resizing Models

You want to kill yourself and dont get minus points?

Adding Ammo items to a H-L weapon.

Das Half-Life Serverprotokoll (German)

MP3 player in HL

Beheading Zombies

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

Wep-Cat-Fix

Model Classes in Half-Life

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

Customize the Mod name displayed in the server list

Part 4 in 5 part series

Adding an ammo indicator to the HUD

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

Particle Systems: The Theory

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

how to print stuff to a client

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)

Challenge based article about adding a new weapon to Half-Life

This tutorial will show you how to make use of the Triangle API to make team overlays

Freeze Grenades

In Half-Life you may have noticed sparks appear when you shoot barney's helmet or an alien grunt's armor.

Create a Cloaked Stealth Suit in Half-Life

Maintaining Class After Death

Coding Style

This tutorial teach a very simple way to edit, remove the cheating Impulse 101 code.

Better Weapon Droping

Re-enabling the TFC concussion effect

Waffensystem (German)

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.

3rd Person Ansicht (German)

This is for Half-Life 1 and the GoldSrc engine

Funcs for Round system

Sparks & Smokepuffs

Green Driplles

Colour attributes for Menus

View Turrets through Barrel

How to allow monsters in mp

Tutorial covering the creation of multiple viewports

3 Mode Zoom For Mp5

HEV Chargers with larger charging capacity

Adding muzzle flashes that also light up world brushes

This tutorial will show you how to create new bullet types.

what temporary entities are and how to use them in Half-Life

Making an InstallShield Installer for your Mod

Half life contains some extra code dealing with dead body physics

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

Hammer code that converts a map from standard .map format to .dxf format

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

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

Change the mp5 grenade launcher to a Shotgun-cannon.

Create an Entity like a CS Buy Zone

In this tutorial we are going to add two new key functionalities.

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

Using the Microsoft Visual C++ 6 IDE

Jumping and Landing Sounds

thirdperson camera clip

Weapon : FireGrenade

This tutorial is meant for the people who are confused about how Half-Life uses its color index's.

This model I'm describing can be used for any surface that can bend, so it can be a flag

I noticed that a lot of bandwidth is consumed when trying to display a HUD Message. To fix this I coded a new type of message system that uses a lot less bandwidth.

Explode Shake (UPDATE)

View model rendering

how to change the strength of weapons

Installing the SDK

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

User Input Processing System

adding zoom functinality to your mp5

add a complete, fully functional new weapon to Half-Life (and that includes the HUD componants!)

Changing The Server Browser To Show Your MOD Name In 'Game Type'

This tutorial is made to help you create a Radio System (like CS). With sounds and team only messages.

This tutorial almost completely explains how to do HUD graphics.

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

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.

Recoil (German)

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

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

This tutorial will show you how to achieve the view rolling effect while strafing, as in DMC and AHL

Half-Life Graphics Part 2 - EfxAPI (German)

A detailed tutorial covering the setup of Visual Studio for work with GoldSrc

make the RPG a little more powerful

Have you tried to install your mod on steam and you just can't do it well i aim to give a little insight into this problem.

Rescaling Half-Life

Controllable skies

Per-pixel dynamic lighting. Real-time bumpmapping. Cartoon shading. Thermal goggles.

In this tut, i will show you how to add a diablo camera effect to your mod.

Customising the HUD colour

How to code in some fog in your mod

This tutorial will demonstrate how simple you can make a brush define the area where the player will spawn inside when entering a teleporter.

Flammenwerfer erstellen (German)

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

Creating your Menu Bitmasks in Half-Life

Faster clicking equals faster shots

this tutorial will show you how to add new factions to monsters.

In-game Player Menus

Explosion Shake

bouncing bodies

When a player dies drop primary weapon rather than weapon box

Blended color indication

Quick Guide to Debugging

Smoke trail behind player

ow to create a brand new entity! + writing the FGD

The purpose of this tutorial is to show you how to create a whole new game type in 12 lines

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

Roter Bildschirm bei Schaden (German)

TFC has a generic status bar that sends a bunch of different details to the client.

Screenshaking

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

Improved Spectatormode for Teamplay

This tutorial will show you how to use the UTIL_ScreenFade and UTIL_ScreenShake functions in your weapons to create effects like night vision and vibrations.

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

Activating w_ models animated animation

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

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

Usp ( Counter-Strike Style)

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

add a server controlled hud countdown

Unsichtbarkeit (German)

Where Did I Hit Him (Update 2)

make the crowbar only swing once when held

Make a Particle Burst When a Player Joins (Like Q1/Q2)

Make a player fly

good introduction to starting a Half-Life Mod

How to make a reloadable hornet gun

Checking line of sight and field of view

This tutorial shows how you can make a very simple disguise system with an old style menu.

Short Article Introducing C

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

Changing maximum allowed weapons to 45

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

This tut will fix the weapon select bug where weapons that have ran out of primary ammo but still have secondary ammo are not selectable.

Adding Two-Team Deathmatch to Your Mod (part 3 & 4 are missing)

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

Red screen after Death and Damage

MP5 to Chain gun

ANY blood color

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.

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

Governer

This is an easy way to change the widespread of the MP5 into a much smaller one.

Chumtoad firing hornetgun correction

Particle System (German)

Creating a New VGUI Menu and getting it to show in your mod

Crosshair Tutorial (German)

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

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.

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

Instant Firing Rockets (like in TFC)

Half-Life Graphics Part 1 - 2D Sprites (German)

Opening slots for old Menu System

Addign a Third and Fourth attack to your mod

I will now explain how I did monster respawning in MP

Proximity Fuse for Satchels

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

RPG Item Dropper

This tut will show you how to make spectators stop seeing what alive people are saying and vice-vesa.

Energy weapon

Decals for every mp5 bullet

Bullet Chasecam (German)

Vehicles

Guass Fix

This article describes the principles behind coding a VGUI HUD by piggy backing off the existing HUD, seriously reducing the amount of code needed.

Frags for killing Monsters in MP FIX

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.

visible laser sight line thingy

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

Change host players ping on the scoreboard to 'Host'

Drop NOTHING on death

Frags for killing Monsters in MP

Triple-Bolt Crossbow

Adding New skill.cfg Entries

Homing Rockets with no laser spot in Half-Life

Make a Medic

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

How to change your MP5 to an MP5-SD3

Adding panels and labels and such.

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

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

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

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.

Weapon Names on the HUD

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

Slots/positions Fix

Launch 3 Rockets

View Roll When Strafing (like DMC)

Another Way To Make Those Cute Lil Houndeyes Not So Cute

Static Water Simulation

Creating a Silenced USP (German)

Challenge based article covering the turning speed of an entity

Set Up a liblist.gam

Silenced Glock

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

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

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

Old Menus System

Debugging your dlls for your Mod

Fast 'n easy weapon naming

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

TURRETS in Half-Life

Nebel in HL (SDK 2.2) (German)

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

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

Geldanzeige im HUD (German)

Voice API in SDK 2.2

This tutorial will cover the Basics for changing the colour of the HUD in HL

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

How to create a DEAD message in your scoreboard

Improved MP5 Burst

Editboxes and Images

Chumtoad firing hornet gun

This tutorial will show you how to add a hud element that will project a sprite of you player that flashes in the area you were last hit.

Alright, you made it this far, now there isn''t much more to be done, you have the basis already, now we just gotta do some normal VGUI code. Adding panels and labels and such. So, lets get started...

Client-Side Waffen-Coding (German)

decide between firing a super compressed attack or a really spread out attack

This is the lowest level entry to the engine. It also maps quite conveniently to Quake-C stuff, so check that out

I've decided to add the Last Man Standing gamerule set (part 3 & 4 are missing)

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

Half-Life Observer Mode Tutorial

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

FlashBang

View model rendering tut fix

This tutorial shows how to enable you to set what speeds the player can go, and force them to remain at those speeds.

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

Creating New Weapons in the 2.2 SDK

Using INI configuration files properly

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

Basing one monster class off another

Secondary Attack for Egon: Teleport player to random info_player_deathmatch

So, lets add up a secondary fire mode for the egon

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.

Teamdeathmatch Spielmodus (German)

Round based system

Menus in Half-Life

Spectator-style camera with clipping

How To Enable HLTV In Your Mod

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

TFC Concussion Fix

Orthogonale TriAPI (German)

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

This is just a simple way to switch to different gameplay modes.

Hud game

The BSP map format that Half-Life uses makes it fairly easy to do certain types of special effects, including fake underwater caustics, so we'll play around with that a little...

Adding User Variables to Half-Life

New to coding and ever wondered how TFC did the Christmas easter egg? Fear nevermore!

Adding new advanced options

In this tutorial we will learn how to add new Skill Health links to add to new custom monsters.

Dynamic Lighting

Light Effect After an Grenade (Very Fast)

Setting up Client side and FGD

2 zoom sniper scope

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

Changing max ammo/clip capacities

I'll show you how to make monsters attacks light up world brushes

It seems the door entities have a bug, if they are blocked, the moving sound gets played continuously even after the door closes or opens.

Snark Grenade

Half-Life Graphics Part 3 - TriAPI (German)

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

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

Different Classes In Every Team (FIX)

Sensor Mine

You know, the UTIL_ScreenShake can only shake clients that are on ground. Because that sucks ass, here we're gonna fix it.

The Power of CVARs!

Introduction to the Sourcecode

Minikarte im HUD (German)

Code a Smoke Grenade

Unlimited Health Rechargers

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

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

Monster Teamplay (German)

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

If players want to remain in a position (such as crouch or prone) for extended periods of time, this could lead to fatigue, here's how you can alleviate that with some clever manipulation of the button code.

Holster Animation

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

Changing the weapons a player spawns with is very easy, very simple.

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

Simulating Randomness

how to add old school Client Side word censoring

Part 1 in 5 part series

No gun dropping after death

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.

An overview of the triangle API, which can be used to draw textured, animated polygons on the fly.

Old Menus Fix

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

Half-Life debuggen (German)

Particles FIXes and improvements

Mp3 Fix

If u want add options to your maps u can add to all maps config files...

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

CS Style 2x Zooming

Scripting with sequence files

This tutorial will cover : 1. Making the monster get angry at you if you shoot him. 2. Random chatting according to it's state.

This tuturial will help you to change the armor you are spawning with

Counterstrike Gameplay

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.

Half-Life Server Info Class

I have found a way to make Better Freeze Grenades

Basics of coding bots in Half-Life

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

both client and server side detailed

Create a homing missile in Half-Life

Understanding hud.txt

How to Align a Model Against the Floor

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

MP3-Entity erstellen (German)

How to Make your Death Msg more like you

HLSDK Engine Notes

Shooting through walls

A Simple 4-line fix for spinning corpses.

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...

There are a few ways of implementing a class system.

Vectors: An Introduction

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

MP3-Dateien in HL abspielen (German)

Incremental Zooming (On the Client Side)

Making A Semi-Automatic Handgun

CS/TFC Spawn Delay

Changing Spawn Times

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

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

How to add a new monster to your maps.

WaterMatch (German)

Make the RPG like the UT redeemer, easy!

Stamina controlled sprint

Disable The FoV Command

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

In this tutorial we will add a new type of Satchel using the weapons box as a model.

How to implement call of Duty/Halo style weapon slots and switching.

This tutorial will teach you how to edit the ammo per clip, how fast you walk with a weapon and much more!

Snark-Dropping Crossbow

This tutorial modifies the client dll (in codedir\\cl_dll) to play audio sounds.

Today we are going to make our monster kill

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.

Part 5 in 5 part series

Okay, so you want to add your own weapon to the 2.2 sdk?

continued

No minus frag when killed self in Half-Life

This tut will cover a new monster who can sit in your map, and run away if you shoot at it.

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

TO Recoil

how to add
map briefings to your mod as seen in TFC, CS

Dynamic colored lights - model color fix

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.

Weapon Clips and such

A Laser-Pointer for any hl-weapon

Event System in SDK 2.2

Proximity Satchels UPDATED

Decals for every mp5 bullet (FIX)

Where DiD I Hit Him (Update)

Introduction to Half-Life SDK2

HUD Health Bar

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

Exploding Rounds for the Python

Tripmines with configurable beam brightness

Hud Bars (Statussäulen) (German)

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.

Simple tutorial on creating a custom entity

Turn off flashlight after player death

This is a tutorial on making a custom model entity.

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

How To Make Thirdperson View To Your Mod

Introduction to Half-Life coding

Modeling events

Add a TFC Rocket Launcher in Half-Life

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.

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

Difficulty rating: easy. This relies heavily on existing Halflife grenade code and has almost nothing original.

Part 2 in 5 part series

Radar System

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

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

Adding weapons to the HUD

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

This article shows you how to quickly change the default 320 & 640 .tga image sizes to fit whatever resolution a player is using.

create an observer mode for your mod

Tutorial on making a flashbang grenade, complete with CS-style screen fading & concussion effect.

Finding your way around the Half-Life DLL

Hash Tables

Doubler Powerup

Health/Armor color blending

Spawnpoints (German)

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

Part 3 in 5 part series

In this tutorial I will go over how to add new bullet types.

Different Classes In Every Team

Code an Admin System into Half-Life

Die Erstellung eines Laserstrahls (German)

C++ Cheat Sheet

Freezing a Player while shooting a weapon

Add MP3 support to Half-Life

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

This tutorial will lead you through the arcane art of adding fog to your mod

This Tutorial will convert the .12 Gauge shotgun into a Sawed-Off Shotgun, This will make it much loader and it also fires a much larger load than a normal shotgun,

Revision 4

Add Entity Effects on a View Model

How to make a Desert-Eagle

These functions are key to how an entity w

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

Panels, Labels, Buttons, and Commands

Yell at them

Ping Rating

In this article I will explain how to make a monster disregard the player if they're within a certain level of light

Teaches you how to setup your VS.NET 2003 to build the Half-Life dlls, and how to get them working on Steam.

Creating the Capture Point

Wall Jumping Tutorial

Weapon Modifications

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

Charging Crossbow

This is how you would change the location of where tracers and bullets, or rockets, are coming from to match your weapon model

In this tutorial I'm going to show you how to add a dead-icon to the scoreboard.

For eye-mode specators

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

Code a CS AK47 into Half-Life

Debugging in Visual Studio 6

Sparks & Smokepuffs fix

Where would we be without visibility determination?

Relations between monsters in Half-Life

Customizable Hud Color

A system to Revamp the Player Model system so that it doesn't use Infokeys (which are easily hackable, and insecure) this also prevents hltv bugs.

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

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

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

Mp5 Burst

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

Create a new weapon for Half-Life

Changing the HUD color

How to create a simple variant of the CGameText class and add it to the available entities in Worldcraft.

Respawn Delay (When Dead, Not When Spawn)

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

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

HL's Color Indexing System (fixed/changed)

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

How to change the tripmine beam color in the console

Glock Silenced and zoomed in Half-Life

Making a NailGun

Changing Tracer Effects on weapons in Half-Life

with the Microsoft Command-Line Compiler

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

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

Crosshair Tutorial Nr.2 (German)

Getting Started

In this tutorial I will show you how to change the weapon damages without recompiling the dll

This is a tutorial teaching you how to make a flying system in half-life

Half-Life is split into two DLLs - client.dll and hl.dll.

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

Weapon Droppings

Sentry continued: adding Sentry-parts box and hud-icon

Rendering a wireframe of maps yourself

Ricochets of walls.

Weapon Ammo Modification, Etc.

Shooting through walls

here are the basic things you need in a normal weapon

Specific weapons for different teams

This is going to be a fairly long tutorial on some basic functions in HL SDK.

Create Night Vision Goggles in Half-Life

This tutorial will show you how to add clientside smoke puffs. You'll need a sprite that's compiled as an additive.

Understanding hud.txt

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

Basics on C++ Objects and Inheritance

Shields

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

An overview of all the useful UTIL_ and efxAPI functions for drawing 3d sprites, shaking and fading the screen, drawing beams + decals, temporary models etc.

Infrared NightVision

Quake style particle effects disabled but present in goldsrc

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

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

This tutorial will explain how to add the current name of the weapon the player is using to the HUD we created earlier.

Change the mp5 grenade launcher to a Shotgun-cannon Fix.

Creating a Sniper Rifle in the 2.2 SDK

Code a Throwable Crowbar

Random Terrain Generation

Hello children, today i'll teach you how to use the UTIL_ScreenShake. Well actually it's really easy, you just gotta know what everything does.

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

Activating w_ models animated animation

Changing view angles with quaternions

here's how to create a power-shotgun

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

Health and Armor restore after frag

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

Half-Life Team System With VGUI Menu w/SDK 2.2

Realistic Reflections in Real-Time

Weapon Categories

Placing Breakpoints

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.

Adding new monster classes

Snark Grenade

FatBoy Mode

Bullet FlyBy (German)

Blast Soundwave Effect From a Weapon

Medkit Bugfix

Creating the Flag Entity

This tutorial is a step-by-step guide to creating a VGUI Sniper Scope.

Every Half-Life weapon have flags. For example MP5

Spreadsystem (German)

Very simple tutorial, but it will teach you how to allow a weapon to 'use' objects, just like when the player hits the use key.

Basic Half-Life Weapon Coding

Quick & simple, heres how to draw visible surfaces (bsp only) - unlit.

CS Style 2x Zooming (for SDK 2.3)

Things that effect network stats during gameplay

Using the ALERT function

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