Programming

Name / Description			Site/Author
Making an InstallShield Installer Making an InstallShield Installer for your Mod
VGUI HUD Suppliment (Part 1) Ok, now, for starters, this tutorial will explain how to set the HUD up, and just get the basis.
Clearing Decals 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.
Tungsten Arrows Ricochets of walls.
Creating a Dash key 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
Advanced script for Holstering Weapon Script for a slightly better illusion of holstering and re-equipping weapon in Half-Life.
Re-enabling the TFC concussion effect Re-enabling the TFC concussion effect
Spreadsystem Spreadsystem (German)
Frags for killing Monsters in MP Frags for killing Monsters in MP
Show mod name in server list Customize the Mod name displayed in the server list
CS AK47 Code a CS AK47 into Half-Life
How to create a DEAD message in your scoreboard How to create a DEAD message in your scoreboard
Config for map If u want add options to your maps u can add to all maps config files...
Revamping the Player Model System 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.
Secondary Attack for Egon: Teleport player to random info_player_deathmatch Secondary Attack for Egon: Teleport player to random info_player_deathmatch
Solid Triggers This is really a reference tutorial which will help you create your own solid based entities for things like the CS Buy Area.
2 zoom sniper scope 2 zoom sniper scope
Team Coloured Text and Spectator Chat ( Fix ) In pongles Tutorial on 'Team Coloured Text and Spectator Chat ' he has 2 small errors to fix :
Basic Weapon Coding Reference here are the basic things you need in a normal weapon
Ping Rating Ping Rating
Activities and Sequences This is a brief description of the difference between an activity and a sequence. I expect it will be fleshed out in time.
Radio System This tutorial is made to help you create a Radio System (like CS). With sounds and team only messages.
FlashBang FlashBang
Changing Spawn Times Changing Spawn Times
How To Enable HLTV In Your Mod How To Enable HLTV In Your Mod
Respawn Delay (When Dead, Not When Spawn) Respawn Delay (When Dead, Not When Spawn)
Remove the minus frag when killed self You want to kill yourself and dont get minus points?
Building the hlds_l Linux .so How to get Half-Life's server to compile and run on Linux boxes worldwide
How to add a Christmas Easter Egg! (or any date!) New to coding and ever wondered how TFC did the Christmas easter egg? Fear nevermore!
C++ Review C++ Cheat Sheet
Smoke trail behind player Smoke trail behind player
Scripting with sequence files Scripting with sequence files
VGUI HUD Suppliment (Part 1)(FIX) 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.
Basic Half-Life Weapon Coding Basic Half-Life Weapon Coding
Snark Grenade Snark Grenade
Half-Life Graphics Part2: EfxAPI 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.
Dash Key Part 2 Stamina controlled sprint
Fast 'n easy weapon naming Fast 'n easy weapon naming
UTIL_ScreenShake You know, the UTIL_ScreenShake can only shake clients that are on ground. Because that sucks ass, here we're gonna fix it.
Rescaling the easiest way You want the most easy way to rescale halflife
MP3 player in HL MP3 player in HL
Nebel in HL (SDK 2.2) Nebel in HL (SDK 2.2) (German)
Mp5 Burst Mp5 Burst
Adding new weapons 2.2 sdk PART 2 continued
Health and Armor restore after frag Health and Armor restore after frag
Adding Weapons in 2.2 sdk PART 1 Okay, so you want to add your own weapon to the 2.2 sdk?
Frags for killing Monsters in MP FIX Frags for killing Monsters in MP FIX
Creating New Weapons in the 2.2 SDK Creating New Weapons in the 2.2 SDK
Better Weapon Droping Better Weapon Droping
A New Weapon Challenge Challenge based article about adding a new weapon to Half-Life
Shooting through walls Shooting through walls
Reloadable HornetGun FIX I tested my tutorial and found out that there was an error with the reloading with secondary attack so im attempting ot fix it
GameRules - Part 2 Adding Assault to Your Mod (part 3 & 4 are missing)
Taunting Crowbar Very simple done, this you now be able to taunt other players when you have the crowbar out.
Old Menus System Old Menus System
BULLET type This tutorial will help you gain an understanding of the FireBulletsPlayer and FireBullets
Third and Fourth attack Addign a Third and Fourth attack to your mod
Half-Life Server Info Class Half-Life Server Info Class
Making A Semi-Automatic Handgun Making A Semi-Automatic Handgun
Old Menus Fix Old Menus Fix
Half-Life Graphics Part 1 - 2D Sprites Half-Life Graphics Part 1 - 2D Sprites (German)
Introduction to GoldSrc Programming - Setting up Visual Studio A detailed tutorial covering the setup of Visual Studio for work with GoldSrc
Roter Bildschirm bei Schaden Roter Bildschirm bei Schaden (German)
Changing maximum allowed weapons to 45 Changing maximum allowed weapons to 45
Blood bursts In this tutorial I will teach you how to use the UTIL_Bloodstream effect.
Weapon Ammo Modification, Etc. Weapon Ammo Modification, Etc.
Quick Hints and Tips 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...
Map Briefing how to add map briefings to your mod as seen in TFC, CS
Half-Life Observer Mode Tutorial Half-Life Observer Mode Tutorial
Advanced: How to create a radar for 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.
Fixing Valve's bouncy crouch code Notice how if you tap your crouch key very fast you bounce? This code will fix that.
Yell at them Yell at them
Guass Fix Guass Fix
Advanced: Understanding the Monster AI (part 2) 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.
Round based system Round based system
Chumtoad firing hornetgun correction Chumtoad firing hornetgun correction
SDK2 Basics: String handling The way that strings are handled internally in the SDK can be confusing to start with.
Short Essay about most common functions in C++ for HL Coders This is going to be a fairly long tutorial on some basic functions in HL SDK.
TURRETS - Gauss Turret This tutorial will somewhat describe how to create a completely new turret.
Egon secondary fire mode So, lets add up a secondary fire mode for the egon
HUD Graphics for Half-Life This tutorial almost completely explains how to do HUD graphics.
Creating a Sniper Rifle in the 2.2 SDK Creating a Sniper Rifle in the 2.2 SDK
Bot Tutorial 101 Basics of coding bots in Half-Life
Debugging in Visual Studio 6 Debugging in Visual Studio 6
Controlling Player Speeds This tutorial shows how to enable you to set what speeds the player can go, and force them to remain at those speeds.
Adding new monster classes Adding new monster classes
Sparks & Smokepuffs Sparks & Smokepuffs
Improved Freeze Grenades I have found a way to make Better Freeze Grenades
Explode Shake (UPDATE) Explode Shake (UPDATE)
CS-style weapon dropping Here is a little tutorial on CS-style weapon dropping.
Set Up a liblist.gam Set Up a liblist.gam
Add cl_righthand to your mod This is for Half-Life 1 and the GoldSrc engine
Light Effect After an Grenade (Very Fast) Light Effect After an Grenade (Very Fast)
Coding Fog How to code in some fog in your mod
Flexible Client Based Zoom - SDK2 This tutorial is designed to help you create a flexible client side Zoom function for SDK2
Weapon Clips and such Weapon Clips and such
Adding new bullet types In this tutorial I will go over how to add new bullet types.
Adding New Skill Healths In this tutorial we will learn how to add new Skill Health links to add to new custom monsters.
Weapon Categories Weapon Categories
HEV Chargers with larger charging capacity HEV Chargers with larger charging capacity
Basing one monster class off another Basing one monster class off another
Your First MOD good introduction to starting a Half-Life Mod
Snark-Dropping Crossbow Snark-Dropping Crossbow
Stop Grenade Tumbling Ever noticed that grenade the MP5 fires tumbles end over end in the air
RPG Power make the RPG a little more powerful
Good Half-Life Net Play Things that effect network stats during gameplay
Cluster grenades, a complete new weapon for Half-Life Create a new weapon for Half-Life
Change Armor Spawn This tuturial will help you to change the armor you are spawning with
MP5 to Chain gun MP5 to Chain gun
TURRETS - Secondary Fire Here's how you PREPARE a turret to support the secondary fire mode.
Printing messages to a client how to print stuff to a client
Turn off flashlight after player death Turn off flashlight after player death
Launch 3 Rockets Launch 3 Rockets
Adding weapons to the HUD Adding weapons to the HUD
CTF Gameplay Part 2 Creating the Capture Point
Half-Life''s Color Indexing System This tutorial is meant for the people who are confused about how Half-Life uses its color index's.
Particle Engine tutorial part 4 Part 4 in 5 part series
Painlessly Drawing TriAPI In Orthogonal Mode I decided to whip up this tutorial to show you the simplicity of drawing triangles in orthogonal mode using TriAPI
Team Coloured Text and Spectator Chat This tut will show you how to make spectators stop seeing what alive people are saying and vice-vesa.
Proximity Satchels UPDATED Proximity Satchels UPDATED
Unsichtbarkeit Unsichtbarkeit (German)
Where is Poppy - Setting up a GoldSrc Mod 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
Dynamic Lighting Dynamic Lighting
Blast Soundwave Effect From a Weapon Blast Soundwave Effect From a Weapon
Changing Multiplayer Weapon Damages To change the weapon values for multiplayer games simply open up the multiplay_gamerules.cpp
Bump Mapping in Half-Life e. It adds detail where there was none before, and provides a much enhanced visual experience.
Creating Different Colored Menus Fairly simple put, it allows you to create menus of different colors.
Another Way To Make Those Cute Lil Houndeyes Not So Cute Another Way To Make Those Cute Lil Houndeyes Not So Cute
Creating New Entities ow to create a brand new entity! + writing the FGD
Freeze Grenades Freeze Grenades
Freezing a Player Freezing a Player while shooting a weapon
Adding New skill.cfg Entries Adding New skill.cfg Entries
Half-Life AI, Schedules and Tasks The Half-Life AI is made mostly of two things, tasks and schedules
AI Tutorial - Part 1 This tut will cover a new monster who can sit in your map, and run away if you shoot at it.
Creating a New VGUI Menu - Part 1 Creating a New VGUI Menu and getting it to show in your mod
Advanced: Building an in-game menu entity How to develop a new entity that handles menus in game (ala counterstrike's 'buy weapons' menu).
How To Make Thirdperson View To Your Mod How To Make Thirdperson View To Your Mod
No minus frag when killed self No minus frag when killed self in Half-Life
Spinning Corpses Simple Fix A Simple 4-line fix for spinning corpses.
Custom Model Entity This is a tutorial on making a custom model entity.
Downloading and setting up the Half-Life SDK Understanding hud.txt
FatBoy Mode FatBoy Mode
Homing Rockets with no laser spot Homing Rockets with no laser spot in Half-Life
MP3-Entity erstellen MP3-Entity erstellen (German)
CS Style 2x Zooming (for SDK 2.3) CS Style 2x Zooming (for SDK 2.3)
Holster Animation Holster Animation
Crosshair Tutorial Crosshair Tutorial (German)
Good Homing Rockets This tutorial shows how to change the rpg rockets to home in on the closest living thing besides you.
3 Mode Zoom For Mp5 3 Mode Zoom For Mp5
Introduction to Half-Life coding Introduction to Half-Life coding
TriAPI based scope-masking system Revision 4
Menus in Half-Life Menus in Half-Life
Removing blood and gibs from Half Life This tutorial will show you how to remove blood and gore from Half Life.
TFC Rocket Launcher Add a TFC Rocket Launcher in Half-Life
Unlimited Health Rechargers Unlimited Health Rechargers
Changing Tracer Effects Changing Tracer Effects on weapons in Half-Life
Function Overloading Function Overloading is useful when you have a function that you want to do several different things with
CoD/Halo style weapon switching How to implement call of Duty/Halo style weapon slots and switching.
Building the DLLs with VS.NET 2003 for Steam Teaches you how to setup your VS.NET 2003 to build the Half-Life dlls, and how to get them working on Steam.
Sensor Mine Sensor Mine
Particle Engine tutorial part 1 Part 1 in 5 part series
HUD Countdown Timer add a server controlled hud countdown
HLSDK Engine Notes HLSDK Engine Notes
Weapon flags Every Half-Life weapon have flags. For example MP5
Better Third Person Camera Simple snippet for a better third person camera with player fading.
Shooting through walls Shooting through walls
Relation between monsters Relations between monsters in Half-Life
Vehicles Vehicles
Adding new monster factions this tutorial will show you how to add new factions to monsters.
Installing Gamerules This is just a simple way to switch to different gameplay modes.
1 Swing Crowbar make the crowbar only swing once when held
Particle Systems: The Theory Particle Systems: The Theory
Client Side word censoring how to add old school Client Side word censoring
Paintrace Hud Indicator 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.
VGUI Scope This tutorial is a step-by-step guide to creating a VGUI Sniper Scope.
Realistic Reflections in Real-Time Realistic Reflections in Real-Time
Respawning Monsters in MP (concept) I will now explain how I did monster respawning in MP
Your First Program Here I will show you a fast and simple program and demonstrate the basics of C
MP3-Dateien in HL abspielen MP3-Dateien in HL abspielen (German)
Coding Style Coding Style
Half-Life Graphics Part 3: Triangle API An overview of the triangle API, which can be used to draw textured, animated polygons on the fly.
The Weapons Tutorial - Part Two 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.
Variables This is going to be a fairly long tutorial on the basic data types of C.
Drop NOTHING on death Drop NOTHING on death
Spectator-style camera with clipping Spectator-style camera with clipping
Creating a Mad Scientist Entity Simple tutorial on creating a custom entity
Particles FIXes and improvements Particles FIXes and improvements
TURRETS TURRETS in Half-Life
Hitboxes and Code In Half-Life you may have noticed sparks appear when you shoot barney's helmet or an alien grunt's armor.
Weapon Strength how to change the strength of weapons
How to Compile the Half-Life Standard SDK on the Linux Platform How to Compile the Half-Life Standard SDK on the Linux Platform
Silenced Glock Silenced Glock
How to allow monsters in mp How to allow monsters in mp
Shotgun w/ slugs and buckshot This tutorial is about how to create a Shotgun with two types of ammo (slugs and buckshot).
Creating your Menu Bitmasks Creating your Menu Bitmasks in Half-Life
Team Spawn Points Fixed! Bigguys Team Spawn Points had a couple of errors, so here is how your fix them.
Counterstrike Gameplay Counterstrike Gameplay
Throwable Crowbar Code a Throwable Crowbar
Change the mp5 grenade launcher to a Shotgun-cannon. Change the mp5 grenade launcher to a Shotgun-cannon.
Changing The Server Browser To Show Your MOD Name In 'Game Type' Changing The Server Browser To Show Your MOD Name In 'Game Type'
Viewport Management Tutorial covering the creation of multiple viewports
Half-life1 Coding: More than 254 of ammo 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.
TriAPI based team overlays This tutorial will show you how to make use of the Triangle API to make team overlays
Temporary Entities what temporary entities are and how to use them in Half-Life
Adding a zoom to the mp5 adding zoom functinality to your mp5
Getting entity walking speed to match animation Challenge based article covering getting an entities walking speed to match its animation
Custom AABB collision boxes for an entity 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.
Sparks & Smokepuffs fix Sparks & Smokepuffs fix
TFC Status Bar Functionality TFC has a generic status bar that sends a bunch of different details to the client.
Screen Fading and Shaking 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.
Using INI configuration files properly Using INI configuration files properly
bouncing bodies bouncing bodies
CS Style 2x Zooming CS Style 2x Zooming
Coding NPCs in GoldSrc This tutorial will lead you through the arcane art of adding fog to your mod
Impulse 101 This tutorial teach a very simple way to edit, remove the cheating Impulse 101 code.
Changing the HUD color Changing the HUD color
SDK2 Basics: Looking at a simple entity class This is a quick look to see what an existing entity class, CGameText, does and how it works.
Explosion Shake Explosion Shake
3rd Person Ansicht 3rd Person Ansicht (German)
Super Sharp MP5 This is an easy way to change the widespread of the MP5 into a much smaller one.
Red screen after Death and Damage Red screen after Death and Damage
GameRules - Part 1 Adding Two-Team Deathmatch to Your Mod (part 3 & 4 are missing)
Entity Effects on View Model Add Entity Effects on a View Model
WaterMatch WaterMatch (German)
Teamdeathmatch Spielmodus Teamdeathmatch Spielmodus (German)
Mp3 Fix Mp3 Fix
Player-guided weapons Make the RPG like the UT redeemer, easy!
Custom DrawHudString 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.
Custom Player Animations This tutorial will explain what you need todo in order to get a custom player animation to play.
HUD Sprites Understanding hud.txt
The Half-Life DLL Finding your way around the Half-Life DLL
Instant Firing Rockets (like in TFC) Instant Firing Rockets (like in TFC)
Particle Engine tutorial part 5 Part 5 in 5 part series
VGUI HUD Tutorial - Part 2 Adding panels and labels and such.
Hud Bars (Statussäulen) Hud Bars (Statussäulen) (German)
Sentry 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.
An Entity like a CS Buy Zone Create an Entity like a CS Buy Zone
Different Classes In Every Team (FIX) Different Classes In Every Team (FIX)
Coding New Entities for Half-Life This is a simple tutorial to discuss making new entities, and reading their keys in your code, so you can customize them.
Weapons that use! 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.
Weapon : FireGrenade Weapon : FireGrenade
Model Classes Model Classes in Half-Life
Orthogonal Drawing with TriAPI I decided to whip up this tutorial to show you the simplicity of drawing triangles in orthogonal mode using TriAPI
New Menuing System Tutorial 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.
Effects Fun Part I 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...
Placing Breakpoints Placing Breakpoints
Adding new advanced options Adding new advanced options
Hints on how to program a Half-Life mod This article tries to give hints to would-be HL mod authors in many different aspects of the programming experience.
Beheading Zombies Beheading Zombies
Glock Silenced and zoomed Glock Silenced and zoomed in Half-Life
Scissoring Sprites instead of defining the area the sprite CANNOT be drawn in, you instead define the area the sprite CAN be drawn in.
Particle Engine tutorial part 3 Part 3 in 5 part series
Energy weapon Energy weapon
Introduction to Half-Life SDK2 Introduction to Half-Life SDK2
Bot Frame This is for people wanting to make their own Half-Life bot.
A smoke grenade Difficulty rating: easy. This relies heavily on existing Halflife grenade code and has almost nothing original.
Building the Half-Life DLLs with the Microsoft Command-Line Compiler
Half-Life Server Protocol This article is a reference to a method of using the server protocol with PHP
Crosshair Tutorial Nr.2 Crosshair Tutorial Nr.2 (German)
Triple-Bolt Crossbow Triple-Bolt Crossbow
VGUI HUD Tutorial - Part 1 this tutorial will explain how to set the HUD up, and just get the basis.
visible laser sight line thingy visible laser sight line thingy
6 shot magnum In this tutorial we are going to make the secondary fire of the python fire off all six rounds.
Drop primary gun instead of weapon box When a player dies drop primary weapon rather than weapon box
The Weapons Tutorial - Part One how the code actually works so that you can add your own features
SDK2 Basics: How to send messages between the client and game DLLs Half-Life is split into two DLLs - client.dll and hl.dll.
Debugging your mod using steam A small guide, written by Valve's Alfred Reynolds, on how to debug your mod in steam.
Installing the SDK Installing the SDK
Half-Life Programming Planet Snippet Collection Collection of coding snippets that may or may not work, use a a reference when building your mod
Voice API in SDK 2.2 Voice API in SDK 2.2
Static Water Simulation Static Water Simulation
Make a Medic Make a Medic
Observer Tutorial create an observer mode for your mod
Wall Jumping Wall Jumping Tutorial
View Turrets through Barrel View Turrets through Barrel
All About messages in Half-Life This tutorial will describe the basics of adding new HUD componants to the client dll
Startup Edits Specify the weapons and ammo players spawn with via your server.cfg or listenserver.cfg
How to change the tripmine beam color in the console How to change the tripmine beam color in the console
SDK2 Basics: Adding a new monster with default AI How to add a new monster to your maps.
Palette.lmp file Quake style particle effects disabled but present in goldsrc
Dynamic NPC Stepping Sound Replace default set of NPC stepping sounds with the set from the texture they're walking on.
Real-Time 'TRON 2.0' Glow in Half-Life Real-Time 'TRON 2.0' Glow in Half-Life
Waffensystem Waffensystem (German)
SDK2 Basics: Creating a new entity class and adding it to your level How to create a simple variant of the CGameText class and add it to the available entities in Worldcraft.
Change the origin of bullets This is how you would change the location of where tracers and bullets, or rockets, are coming from to match your weapon model
Orthogonale TriAPI Orthogonale TriAPI (German)
Hand Cannon How to convert the .12 Gauge shotgun into a Hand Cannon
Event System in SDK 2.2 Event System in SDK 2.2
User Input Processing System User Input Processing System
View model rendering tut fix View model rendering tut fix
How to Align a Model Against the Floor How to Align a Model Against the Floor
VGUI HUD Suppliment (Part 2) 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...
View model rendering View model rendering
Flammenwerfer erstellen Flammenwerfer erstellen (German)
How to Make a Desert-Eagle (SDK2.2) How to make a Desert-Eagle
Funcs for Round system Funcs for Round system
Snark Grenade Snark Grenade
Governer Governer
Hiding in Shadow In this article I will explain how to make a monster disregard the player if they're within a certain level of light
Real-Time 'TRON 2.0' Glow For Low-Spec Hardware Real-Time 'TRON 2.0' Glow For Low-Spec Hardware
Bot Tutorial 2 In this one I hope to start on some of the navigation code and the bots use of ladders.
Hash Tables Hash Tables
Dead Icon In this tutorial I'm going to show you how to add a dead-icon to the scoreboard.
Decals for every mp5 bullet Decals for every mp5 bullet
Complete Freedom of Rotation Changing view angles with quaternions
'Dynamic' skies in Half-Life Controllable skies
Wall Puff This tutorial will show you how to add clientside smoke puffs. You'll need a sprite that's compiled as an additive.
Usp ( Counter-Strike Style) Usp ( Counter-Strike Style)
Modding Weapons (Ammo, Weight etc) This tutorial will teach you how to edit the ammo per clip, how fast you walk with a weapon and much more!
Removing a PlayerItem Function to remove named items from a player's inventory.
New HL HUD Message System 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.
Adding User Variables to Half-Life Adding User Variables to Half-Life
Spawnpoints Spawnpoints (German)
Simulating Randomness Simulating Randomness
Colour attributes for Menus Colour attributes for Menus
Where DiD I Hit Him (Update) Where DiD I Hit Him (Update)
Alias's, Scripts, and Binds. This is a brief guide explaining the differences between Alias's, Scripts, and Binds.
Blended color indication Blended color indication
VGUI HUD Tutorial - Part 4 Adding an ammo indicator to the HUD
GameRules - Part 5 I've decided to add the Last Man Standing gamerule set (part 3 & 4 are missing)
Shields Shields
Adding Ammo items to a H-L weapon. Adding Ammo items to a H-L weapon.
TO Recoil TO Recoil
Speed This tuturial helps you set your speed this tuturial is really easy.
Stealthsuit Create a Cloaked Stealth Suit in Half-Life
Changing max ammo/clip capacities Changing max ammo/clip capacities
Activating w_ models animated animation Activating w_ models animated animation
Different Classes In Every Team Different Classes In Every Team
Activating w_ models animated animation Activating w_ models animated animation
Vectors: An Introduction Vectors: An Introduction
Health/Armor color blending Health/Armor color blending
Power Shotgun here's how to create a power-shotgun
Advanced script for Smooth Zoom Script for smooth zooming in and out in Half-Life.
Quick Guide to Debugging Quick Guide to Debugging
Egon Secondary Fire: Vampire This tutorial will show you how to create new damage type for the Egon.
Change host players ping on the scoreboard to 'Host' Change host players ping on the scoreboard to 'Host'
HuD Colouring This tutorial will cover the Basics for changing the colour of the HUD in HL
Hud_print This tuturial shows you how to get a message on the HUD
Smoke Grenade Code a Smoke Grenade
Maintaining Class After Death Maintaining Class After Death
Team name fix for SDK 2.2 Here is a fix for people having problems with DarkKnight's team VGUI tutorial
Booby trap satchel In this tutorial we will add a new type of Satchel using the weapons box as a model.
Vertex and Pixel Shaders Per-pixel dynamic lighting. Real-time bumpmapping. Cartoon shading. Thermal goggles.
Advanced: Understanding the Monster AI A detailed tutorial on how the Half-Life AI hangs together. Covers Schedules, Tasks, and Monster States, with examples.
TriAPI BreakOut Hud game
Higher Res for VGUI Images This article shows you how to quickly change the default 320 & 640 .tga image sizes to fit whatever resolution a player is using.
Exploding Rounds for the Python Exploding Rounds for the Python
Introduction to the Sourcecode Introduction to the Sourcecode
No gun dropping after death No gun dropping after death
Automatically set entity collision box by model (Extension to X-0ut's custom model tut)
Client dll Coding Tutorial #1 Drawing a Special Credit Number on the clients head's up display!
Recoil Recoil (German)
Parachute Okay this tutorial covers how to create a parachute like the one in firearms
Slots/positions Fix Slots/positions Fix
Half-Life's In-Game Visibility Determination Where would we be without visibility determination?
Half-Life debuggen Half-Life debuggen (German)
Using Glowshell 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.
Make a teleporter exit spawn you inside an area This tutorial will demonstrate how simple you can make a brush define the area where the player will spawn inside when entering a teleporter.
Disable The FoV Command Disable The FoV Command
Snark Trails This tutorial, while not hard to do, gives a great effect; with snarks leaving behind a smoke trail as they run.
Chumtoad firing hornet gun Chumtoad firing hornet gun
Faster clicking equals faster shots Faster clicking equals faster shots
Advanced script for Slow Motion (bullet time) Script for a kind of smooth slow motion (bullet time) in Half-Life.
CTF Gameplay Part 1 Creating the Flag Entity
Adding a Diablo View Effect In this tut, i will show you how to add a diablo camera effect to your mod.
Customising the HUD colour Customising the HUD colour
The Power of CVARs! The Power of CVARs!
Precaching Precaching was one of the first stumbling blocks we encountered when we starting working with the SDK.
TURRETS - Targeting Laser Spot Here's how to get the little red dot on turrets.
Introduction to C Short Article Introducing C
Minikarte im HUD Minikarte im HUD (German)
Half-Life Graphics Part 3 - TriAPI Half-Life Graphics Part 3 - TriAPI (German)
Die Erstellung eines Laserstrahls Die Erstellung eines Laserstrahls (German)
Jumping and Landing Sounds Jumping and Landing Sounds
Sawed-Off Shotgun 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,
Specific weapons for different teams Specific weapons for different teams
Turning speed of an entity Challenge based article covering the turning speed of an entity
Geldanzeige im HUD Geldanzeige im HUD (German)
Das Half-Life Serverprotokoll Das Half-Life Serverprotokoll (German)
Reloadable Hornet Gun How to make a reloadable hornet gun
Medkit Bugfix Medkit Bugfix
ANY blood color ANY blood color
thirdperson camera clip thirdperson camera clip
Using the Microsoft Visual C++ 6 IDE Using the Microsoft Visual C++ 6 IDE
Fog in half-life (using tri-api) This tutorial should be easy to follow provided that you have at least some grounding in c++
Bullet Chasecam Bullet Chasecam (German)
Coded Fabrics This model I'm describing can be used for any surface that can bend, so it can be a flag
How to Make your Death Msg more like you How to Make your Death Msg more like you
SDK2 Basics: Explanation of the Weapon code (MP5) by Greg Hudson Explanation of all the MP5 code. Written by Greg Hudson.
How to create a server-client message This article describes, step-by-step, how to create a message which can be sent from the server-side to the client-side.
VGUI HUD This article describes the principles behind coding a VGUI HUD by piggy backing off the existing HUD, seriously reducing the amount of code needed.
Non-Exploding Snarks This tutorial explains how to have snarks that don't explode after 15 seconds in your mod.
Using the ALERT function Using the ALERT function
Weapon Modifications Weapon Modifications
Opening slots for old Menu System Opening slots for old Menu System
Advanced Bot Frame This is for people wanting to make their own Half-Life bot.
How to change your MP5 to an MP5-SD3 How to change your MP5 to an MP5-SD3
Customizable Hud Color Customizable Hud Color
TeamKiller Kicking 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.
FOV and LOS Checks Checking line of sight and field of view
Using the Persistence Engine with Half-Life 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.
Entity Variables The more coding you do, the more you'll start talking about the 'pev'
Incremental Zooming (On the Client Side) Incremental Zooming (On the Client Side)
Doubler Powerup Doubler Powerup
The Weapons Tutorial - Part Three add a complete, fully functional new weapon to Half-Life (and that includes the HUD componants!)
Binding new keys. In this tutorial we are going to add two new key functionalities.
AI Tutorial - Part 3 This tutorial will cover : 1. Making the monster get angry at you if you shoot him. 2. Random chatting according to it's state.
Monster Teamplay Monster Teamplay (German)
Creating a New VGUI Menu - Part 3 Editboxes and Images
Infrared NightVision Infrared NightVision
Debugging your dlls Debugging your dlls for your Mod
Changing Weapon Damage Outside the Dll In this tutorial I will show you how to change the weapon damages without recompiling the dll
Rescaling Half-Life Rescaling Half-Life
Making A Player Fly This is a tutorial teaching you how to make a flying system in half-life
Weapon Selection Fix 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.
Where Did I Hit Him (Update 2) Where Did I Hit Him (Update 2)
Change the mp5 grenade launcher to a Shotgun-cannon Fix. Change the mp5 grenade launcher to a Shotgun-cannon Fix.
Improved MP5 Burst Improved MP5 Burst
Half-Life Team System With VGUI Menu w/SDK 2.2 Half-Life Team System With VGUI Menu w/SDK 2.2
TFC Concussion Fix TFC Concussion Fix
Screenshaking Screenshaking
Half-life's hidden physics code Half life contains some extra code dealing with dead body physics
MP3 Player Add MP3 support to Half-Life
Improved Spectatormode for Teamplay Improved Spectatormode for Teamplay
Random Terrain Generation Random Terrain Generation
Tripmines with configurable beam brightness Tripmines with configurable beam brightness
Dynamically Resizing Models Dynamically Resizing Models
How to make a key that toggles 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.
Weapon Droppings Weapon Droppings
M16 TUTORIAL This tutorial shows how to make an M16 assault rifle, with an optional silencer, just like the M4 rifle from Counter-Strike.
AI Tutorial - Part 2 Today we are going to make our monster kill
Proximity Fuse for Satchels Proximity Fuse for Satchels
The Think, Touch, and Use functions. These functions are key to how an entity w
Making a NailGun Making a NailGun
Advanced script for Mouse Wheel Zoom Script for smooth mouse wheel zooming in and out in Half-Life.
Changing Armour colours What this code will do is change the armour hud colours depending on how much armour you actually have.
Getting an entity to point at you while it fires Challenge based article about getting an entity to point at you while it fires
Clientside richoche sounds 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.
Gman 2 Ever wanted to use gman twice in a map with a different look?
Modeling events Modeling events
Make a player fly Make a player fly
Shotgun Modes decide between firing a super compressed attack or a really spread out attack
Checkpoint system for spawnpoints A checkpoint system designed for cooperative play but possible in other game modes.
Dynamic colored lights - model color fix Dynamic colored lights - model color fix
Respawning Entities This tutorial will show you how to reset pushables, breakables, doors, dead bodies and dropped weapons.
Team Spawn Point Fix okay, make sure to do BigGuy's tut on team spawn points first
Steam-Developing Q&A Steam-Developing Q&A (German)
Green Driplles Green Driplles
Scripts (a follow up to Aliases, scripts, and binds) Scripts (a follow up to Aliases, scripts, and binds)
TURRETS - HORNET GUN TURRET This tutorial will somewhat describe how to create a completely new turret.
HL's Color Indexing System (fixed/changed) HL's Color Indexing System (fixed/changed)
Admin System Code an Admin System into Half-Life
Creating full Half-Life weapons both client and server side detailed
Make a Particle Burst When a Player Joins (Like Q1/Q2) Make a Particle Burst When a Player Joins (Like Q1/Q2)
HUD Health Bar HUD Health Bar
Weapons in the HUD Tutorial Made a weapon and can't figure out how in the hell to get it into the HUD?
Radar System Radar System
Client-Side Waffen-Coding Client-Side Waffen-Coding (German)
Particle Engine tutorial part 2 Part 2 in 5 part series
Playing .mp3 files in Half-Life Warning - this is taken from my brief investigation, but relies on having a multi-channel soundcard
Where is Poppy - Your First Custom Entity 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
Particle System Particle System (German)
RPG Item Dropper RPG Item Dropper
Scavenger Hunt AI Tutorial Heres another tutorial for bots. This one on creating some basic bot item search code.
Charging Crossbow Charging Crossbow
Dynamic Lighting I'll show you how to make monsters attacks light up world brushes
VGUI HUD Tutorial - Part 3 This tutorial will explain how to add the current name of the weapon the player is using to the HUD we created earlier.
Standing Still For 5 Seconds (Respawning) Standing Still For 5 Seconds (Respawning)
Half-Life Graphics Part 2 - EfxAPI Half-Life Graphics Part 2 - EfxAPI (German)
CS/TFC Spawn Delay CS/TFC Spawn Delay
Creating a Vampire gamestyle The purpose of this tutorial is to show you how to create a whole new game type in 12 lines
Do-it-yourself-WireFrame! Rendering a wireframe of maps yourself
.MAP to .DXF Conversion Hammer code that converts a map from standard .map format to .dxf format
Making a Flashbang Tutorial on making a flashbang grenade, complete with CS-style screen fading & concussion effect.
View Roll When Strafing (like DMC) View Roll When Strafing (like DMC)
Gauss Teleporter Gauss Teleporter
Basics on C++ Objects and Inheritance Basics on C++ Objects and Inheritance
Half-life1 Coding: 4digits on HUD and 9999 ammo on clip 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.
Decals for every mp5 bullet (FIX) Decals for every mp5 bullet (FIX)
Changing the Default Multiplayer Weapons Changing the weapons a player spawns with is very easy, very simple.
Installing Your Mod on Steam 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.
Door Fix 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.
Egon Beam Observer Fix For eye-mode specators
Adding muzzle flashes that also light up world brushes Adding muzzle flashes that also light up world brushes
Creating a New VGUI Menu - Part 2 Panels, Labels, Buttons, and Commands
Class System Tutorial There are a few ways of implementing a class system.
Homing Missle Create a homing missile in Half-Life
View Roll On Strafe This tutorial will show you how to achieve the view rolling effect while strafing, as in DMC and AHL
Weapon Names on the HUD Weapon Names on the HUD
Erstellen einer schallgedämpften USP Creating a Silenced USP (German)
Half-Life Graphics Part 1: 2D Sprites All you ever wanted to know about drawing 2d sprites on the HUD.
Radio Voices This tutorial modifies the client dll (in codedir\\cl_dll) to play audio sounds.
Changing Blood and HUD Colors Heres a short tutorial on how to change the HUD and blood colors. Really simple.
Client dll Coding Tutorial #2 Drawing a Special Credit String on the clients head's up display
Sentry continued: adding Sentry-parts box and hud-icon Sentry continued: adding Sentry-parts box and hud-icon
Bullet FlyBy Bullet FlyBy (German)
In-game Player Menus In-game Player Menus
Gman 2 Ever wanted to use gman twice in a map with a different look?
A Laser-Pointer for any hl-weapon A Laser-Pointer for any hl-weapon
NVGoggles Create Night Vision Goggles in Half-Life
CTF Gameplay Part 3 Setting up Client side and FGD
Weapon Categories Fix Wep-Cat-Fix
Render Scene Quick & simple, heres how to draw visible surfaces (bsp only) - unlit.
Butter Fingers Bullet This tutorial will show you how to create new bullet types.
DISGUISE TUTORIAL This tutorial shows how you can make a very simple disguise system with an old style menu.
Dule Shell Ejects This will tell you how to make Client side dule shell ejections for dule guns
How to use UTIL_ScreenShake 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.
Engine Functions This is the lowest level entry to the engine. It also maps quite conveniently to Quake-C stuff, so check that out
Scoreboard team colors You wanted to know how to color the teams in the scoreboard?
Getting Started Getting Started

Programming

Disclaimer!