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A collection of my sourcemod plugins, most for my own server, and custom made for mostly L4D2.

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Sourcemod L4D2 Plugins

This is a collection of sourcemod plugins, most are used on my servers. The majority of the plugins are created by me, but some are modifications of other plugins. Some of the plugins / changes are very specific, but may be useful to someone.

Not always the latest versions. If you have any interest with a plugin, I can make sure to upload the latest.

Useful things:

  1. Netprop Viewer L4D2 Netprops and L4D2 Datamaps

Plugin List

Created by Me

Modified Others

  • 200IQBots_FlyYouFools - Improved code to make it support multiple tanks and work better
  • l4d_survivor_identity_fix - Use with L4D2Tools to change models, some fixes
  • BetterWitchAvoidance
  • l4d_anti_rush - Modified plugin to add a forward, so other plugins (like feedthetrolls) can do something. In addition, use highest flow value achieved for players (fixes issue when admins go back and players who haven't moved suddenly get punished)
  • l4d2_sb_fix - Updated to 1.11 & latest sourcepawn syntax & removed the FCVAR_NOTIFY from all cvars (why is that added?)
  • GrabEnt - Improved version that prevents moving certain entities (such as invisual walls, ragdolls, etc) and improved some code

Dependencies

This is a list of most common dependencies, independent if they are used for a certain plugin. Check the plugin info for an exact list.

Development Dependencies

Most L4D2 plugins use my own include: jutils.inc, it's provided in this repo. Some do require newer includes for my modified plugins (such as my improved survivor identity fix)

Descriptions

l4d2-manual-director

Probably going to be posted publicly sometime. Allows you to spawn specials on cursor, or via director, forcefully, bypassing limits

  • Convars:
    • manual_director_version|mandirector_version - ... gets version
    • mandirector_notify_spawn <1/0> - Should spawning specials notify on use?
    • mandirector_announce_level <0/1/2/3> - Announcement types. 0 - None, 1 - Only bosses, 2 - Only specials+, 3 - Everything
    • mandirector_enable_tank <0/1> - Should tanks be allowed to be spawned?
    • mandirector_enable_witch <0/1> - Should witches be allowed to be spawned?
    • mandirector_enable_mob <0/1> - Should mobs be allowed to be spawned
  • Commands:
    • sm_spawnspecial <special> [amount] - Spawn a special via director
    • sm_forcespecial <special> [amount] - Force spawn a special via director, bypassing spawn limits
    • sm_forcecursor <special> [amount] - Force spawn a special at cursor, bypassing spawn limits
    • sm_cursormenu - Show the spawn menu for cursor spawning
    • sm_specialmenu - Show the spawn menu for director spawning
    • sm_directormenu (Same as sm_specialmenu for now)

l4d2-info-cmd

Technically 'l4d2 game info', haven't changed name. Just prints general information, used for a project

  • Commands:
    • sm_gameinfo
  • Example Response: 
    >map,diff,mode,tempoState,totalSeconds
c1m1_hotel,1,coop,3,1622
>id,name,bot,health,status,throwSlot,kitSlot,pillSlot,survivorType,velocity,primaryWpn,secondaryWpn
1,Jackz,0,80,alive,0,,first_aid_kit,,Bill,0,,pistol
3,Zoey,1,75,alive,0,,first_aid_kit,,Zoey,0,,pistol
4,Francis,1,76,alive,0,,,,Francis,0,,pistol
5,Louis,1,90,alive,0,,first_aid_kit,,Louis,0,,pistol

AutoWarpBot

Simple l4d2 plugin that will auto teleport bots to checkpoint once all real players have reached the saferoom. Doesn't really work well. Abandoned.

200IQBots_FlyYouFools

Updated version of ConnerRia's plugin. Improves bots avoidance of tanks. Change from original is updated sourcepawn syntax, some optimizations/cleanup, and fixes such as bots avoiding tank that has not been activated, or not escaping in vehicle due to presence of tank. Latest version now has support for multiple tanks, the bots might not avoid them as effectively as they would with one tank but they still try their best.

  • Convars:
    • FlyYouFools_Version - Prints the version of plugin

BetterWitchAvoidance

Inspired by the 200IQBots_FlyYouFools. Bots avoid witch if its over 40% anger when close, or a little bigger range at 60% or more. Not recommended to use, normal behavior seems fine.

L4D2FFKickProtection

Simple plugin that prevents a player that is being vote-kicked from doing any ff damage to teammates. It also prevents vote kicking of admins, instead will notify admins. It also makes any vote kicks created by an admin to instantly be accepted by all players

  • Convars:
    • sm_votekick_force_threshold <#> - The threshold of damage where the offending player is just immediately kicked. 0 -> Any attempted damage, -1 -> No auto kick.

l4d2_avoid_minigun

Makes the bots avoid standing in front of or on top of the player that is using a minigun. It checks every 2.0 seconds if they are in the way, then forces them to move to behind you. There is no configuration, all automatic.

l4d2_ai_minigun

Requires: Left4DHooks

Spawn the holdout bots used in the passing. This supports all 8 characters, including with the minigun. They can spawn with any weapon or default to ak47.

Notes:

  • The minigun holdout bot has to internally be Louis, so it will be Louis making sounds, with whatever model specified being shown. This doesn't apply for normal holdout bot.
  • <survivor name> can be "bill" or their numeric id (4).

Code modified from https://forums.alliedmods.net/showthread.php?p=1741099

  • Commands:
    • sm_ai_minigun <survivor name> - Spawns an ai bot with minigun infront of wherever you are looking. Can also use numbers (0-7).
    • sm_ai_holdout <survivor name> [wpn] - Spawns a normal ai holdout bot (no minigun), with any weapon w/ laser sight (default is ak).
    • sm_ai_remove_far - Removes any holdout or minigun bots that are 750 units or more from any player.

L4D2Tools

Plugin requirements:

A collection of small tools:

  • Notification of when someone picks up laser sights (only the first user, includes bots),

  • Record time it takes for a finale or gauntlet run to be completed.

  • Record the amount of friendly fire damage done

  • Set the survivor models of any survivor with updated l4d_survivor_identity_fix

  • Automatically returns melee weapons that an idle bot dropped once no longer idle

  • Automatically make players go idle when ping spikes

  • Slowly kill any zombies attacking survivor bot's blind spots (Fixes brain dead bots stuck taking damage and not killing them)

  • Convars:

    • sm_laser_use_notice <0/1> - Enable notification of when a laser box was used first
    • sm_time_finale <0/1/2> - Record the time it takes to complete finale. 0 -> OFF, 1 -> Gauntlets Only, 2 -> All finales
    • sm_ff_notice <0/1/2> - Should we record FF damages? 0: OFF, 1: To chat, 2: To HUD text.
    • sm_autoidle_ping_max <30.0...> - "The highest ping a player can have until they will automatically go idle.\n0=OFF, Min is 30

  • Commands:

    • sm_model <player> <character> - Sets the survivor model of the target player(s). 'character' is name or ID of character.
    • sm_surv <player> <character> - Sets the m_survivorCharacter prop only of the target player(s). 'character' is name or ID of character.

l4d2_swarm

This plugin is used to counter trolls and otherwise bad players. It simply uses the new script function RushVictim() to make all zombies in X radius attack Y target. It's that simple.

This really only affects wandering zombies, mobs and panic events, but it may work slightly when bile or pipes are thrown. It does not and can't change the targets of zombies.

  • Convars:
    • sm_swarm_default_range <20-Infinity> - The default range for commands & menus. Defaults to 7,500
  • Commands:
    • sm_swarm [player] [range] - Swarm a player, or random if none."
      • Aliases: sm_rush
    • sm_rushmenu - Opens a menu to quickly rush any player. Can be bound to a key to quickly rush as well
      • Aliases: sm_rmenu
    • sm_swarmtoggle <player> [range] - Will continuously run the swarm method on the player at the range. Use the command again or type "disable" for player to disable. Switching players will not disable, just switches target.
      • Aliases: sm_rushtoggle, sm_rt
    • sm_rushtogglemenu - Will open a menu to quickly select a player to continuously rush.
      • Aliases: sm_rtmenu

l4d2_feedthetrolls

Requires:

This plugin allows you to enact certain troll modes on any player, some are subtle some are less so. Either way, it works great to deal with a rusher, an asshole or even your friends.

See the up-to-date list of trolls and their descriptions: https://admin.jackz.me/docs/ftt

  • Convars:
    • sm_ftt_autopunish_mode <#> - (Not used, WIP) Sets the modes that auto punish will activate for. 1 -> Early crescendo activations
    • sm_ftt_autopunish_action <#> - Which actions will autopunish activate? Add bits together. 0=None, 1=TankMagnet 2=SpecialMagnet 4=Swarm 8=VomitPlayer
    • sm_ftt_autopunish_expires <0...> - How many minutes (in gameticks) until autopunish trolls are removed. 0 for never.
  • Commands:
    • sm_fta [player] - The main command, opens a menu to select a troll to apply, with modifiers and flags
    • sm_ftr [player] - Removes all active trolls from a player
    • sm_ftc [player] - Opens a menu to select a combo of trolls
    • sm_ftl - Lists all players that have a mode applied.
    • sm_ftm - Lists all troll options & their descriptions
    • sm_mark - Toggles marking a player to be banned when they fully disconnect
    • sm_insta [player] [special] - (No arguments opens menu) - Spawns a special via the director that will only target the victim
    • sm_inface [player] [special] - Identical to above, but special will be spawned as close as possible to survivor. Boomers auto explode, jockeys on their head, etc.
    • sm_bots_attack <player> [target health] - Slightly broken, but makes all bots shoot at player until they hit X health or a timeout is reached. Turn on sb_friendlyfire for it to be effective.
    • sm_stagger <player> - Makes a player stagger, shortcut to the Stagger troll
    • sm_witch_attack <player> - Makes all witches agro on the player
    • sm_scharge <player> [timeout seconds] - Will wait till there's no obstructions and players in the way, then spawns a charger behind them to charge them.
    • sm_healbots <player> [# bots or 0 default] - Makes n amount of bots chase a player down to heal them. Won't stop until they are healed, they die, or you run command again.
    • sm_csplat <player> <top/front/back> - Shortcut to Car Splat. Spawns car in top/front/back that hits the player

l4d2_autobotcrown

Makes any suitable bot (> 40 hp, has shotgun) automatically crown a witch. Supports multiple bots and witches, but only one bot can crown one witch at a time. Plugin is disabled in realism, and is really on suitable for coop or versus. Even works with idle players.

Bots do sometimes miss, but sometimes still manage to kill witch. They also don't care if there is danger in the way (fire, acid, angry witch).

  • Convars:
    • l4d2_autocrown_allowed_difficulty <default: 7> - The difficulties the plugin is active on. 1=Easy, 2=Normal 4=Advanced 8=Expert. Add numbers together.
    • l4d2_autocrown_modes_tog <default: 7> - (Not implemented) - Turn on the plugin in these game modes. 0=All, 1=Coop, 2=Survival, 4=Versus, 8=Scavenge. Add numbers together

l4d2_extraplayeritems

Plugin requirements:

A well rounded tool that provides extra utilities to a 5+ co-op campaign.

Features:

  • Automatically giving extra kits for each extra player in saferooms

  • Increasing item count for items randomly depending on player count

  • Fix same-models survivors having to fight over ammo pack usage

  • Automatically lock the first saferoom door for every chapter, until a threshold of players or time has passed

  • Includes a HUD that shows all the survivors and their items, and optionally their ping (breaks randomly not sure why)

  • Includes a new 5+ special spawning director

  • Spawn an extra tank that scales with player count

  • Convars:

    • epi_item_chance - The base chance (multiplied by player count) of an extra item being spawned. Default: 0.056
    • epi_kitmode - Decides how extra kits should be added. Default is 0
      • 0 -> Overwrites previous extra kits
      • 1 -> Adds onto previous extra kits
    • epi_updateminplayers - Should the plugin update abm's cvar min_players convar to the player count? (0 no, 1 yes)
    • epi_doorunlock_percent - The percent of players that need to be loaded in before saferoom door is opened.
      • Default is 0.8, set to 0 to disable door locking
    • epi_doorunlock_wait - How many seconds after to unlock saferoom door. 0 to disable timer
    • epi_doorunlock_open - Controls when or if the door automatically opens after unlocked. Add bits together.
      • 0 = Never, 1 = When timer expires, 2 = When all players loaded in
    • epi_hudstate - Controls when the extra player hud shows.
      • 0 = Never, 1 = When 5+ players, 2 = Always on
    • epi_sp_spawning - Determines what specials are spawned. Add bits together.
      • 1 = Specials, 2 = Witches, 4 = Tanks
    • epi_enabled - When should epi be enabled?
      • 0 = OFF, 1 = Only when 5+ and official map, 2 = Only when 5+, 3 = Always
    • epi_tank_chunkhp - The amount of health to add to a tank per extra player
    • epi_gamemodes - Comma separated list of allowed gamemodes.

l4d_survivor_identity_fix

Plugin requirements:

A fork of Survivor Identity Fix plugin that adds support for other plugins to update the model cache. This is used by L4D2Tools to update the identity when someone changes their model with sm_model. It also will clear the memory of model when a player disconnects entirely or on a new map.

In addition, has a fix for the passing finale, and will automatically temporarily change L4D characters to L4D2 until finale starts preventing game messing up their characters.

l4d2_population_control

Allows you to set the chances that a common spawns as a certain uncommon. The order of the cvars is the order the percentages are ran

  • Convars:
    • l4d2_population_chance <0.0-1.0> Default: 1.0, the chance that the code runs on a spawn (basically if 0.0, none of the % chances will run for all types)
    • l4d2_population_clowns <0.0-1.0> The chance that on a common spawn that the special will be a clown.
    • l4d2_population_mud <0.0-1.0> The chance that on a common spawn that the special will be a mud common.
    • l4d2_population_ceda <0.0-1.0> The chance that on a common spawn that the special will be a ceda common.
    • l4d2_population_worker <0.0-1.0> The chance that on a common spawn that the special will be a worker common.
    • l4d2_population_riot <0.0-1.0> The chance that on a common spawn that the special will be a riot common.
    • l4d2_population_jimmy <0.0-1.0> The chance that on a common spawn that the special will be a jimmy common
    • l4d2_population_common <#> - The maximum amount of commons that can spawn.
      • 0 will turn off,
      • value > 0 will enforce the exact value
      • value < 0 will enforce z_common_limit + | value |
  • Commands:
    • sm_populations or sm_population_list - Lists all the cvar values

globalbans

This plugin will store bans in a database and read from it on connect. This allows you to easily have bans global between servers. It will automatically intercept any ban that calls OnBanIdentity or OnBanClient (so sm_ban will work normally) Note: All admin players are ignored

Database File

  • Convars:
    • sm_globalbans_kick_type <0/1/2>
      • 0 = Do not kick, just notify
      • 1 = Kick if banned
      • 2 = Kick if cannot reach database

l4d2_rollback

Plugin requirements:

An idea that you can either manually or have events (friendly fire, new player joining) trigger saving all the player's states. Then if say, a troll comes and kills you and/or incaps your team, you can just quick restore to exactly the point you were at with the same items, health, etc.

Currently abandoned.

Currently auto triggers:

  1. On any recent friendly fire (only triggers once per 100 game ticks)
  2. Any new player joins (only triggers once per 100 game ticks)
  • Commands:
    • sm_save - Initiates a manual save of all player's states
    • sm_state - Lists all the states
    • sm_restore <player(s)> - Restores the selected player's state. @all for all

l4d2_autorestart

Plugin that automatically restarts server when the server is NOT hibernating, with bots around and no players. This fixes an issue with custom maps that force sb_all_bot_game to 1 and disable hibernation.

l4d2_TKStopper

Plugin requirements:

Plugin that prevents team killers by checking multiple criterias. Default system is as: Any survivor that attacks another survivor

  1. If within first 2 minutes of joining, no damage is dealt to either victim or attacker. This prevents the next person to join being punished.
  2. If during the finale vehicle arrival, they do 0x damage to victim and take 2x reverse friendly fire
  3. If neither #1 or #2, both the victim and the attacker take 1/2 the original damage
  4. If victim is in a saferoom, no damage is dealt.

See https://admin.jackz.me/docs/plugins#tkstopper for some more implementation information

During any of the above three conditions, if they deal (or attempt to deal) over 75 HP in 15 seconds (configurable) they will be instantly banned for a set period of time (60 minutes). If they are for sure a team killer, it can be extended to a permanent ban.

  • Cvars:
    • l4d2_tk_forgiveness_time <#> - The minimum amount of seconds to pass (in seconds) where a player's previous accumulated FF is forgive. Default is 15s
    • l4d2_tk_bantime - How long in minutes should a player be banned for? 0 for permanently. Default is 60
    • l4d2_tk_ban_ff_threshold - How much damage does a player need to do before being instantly banned. Default 75 HP
    • l4d2_tk_ban_join_time - Upto how many minutes should any new player's FF be ignored. Default is 2 Minutes

l4d2_crescendo_control

Plugin requirements:

This plugin prevents the activation of buttons ahead of the team. It will prevent players from starting crescendos (and some small other activities as a side effect) until a certain threshold of the team has reached the area.

This plugin is not perfect, sometimes it may trigger early, or not trigger at all depending on the map. Sometimes you need to as admins, move forward to allow non-admins to activate events.

  • Cvars:
    • l4d2_crescendo_percent
    • l4d2_crescendo_range

l4d2_vocalize_control

A very small plugin that simply allows a player to mute another player's vocalizations only for them.

  • Commands:
    • sm_vgag <player(s)> - Vocalize gag or ungags selected player(s) for the command activator only

l4d2_sb_fix

A fork of https://forums.alliedmods.net/showthread.php?p=2757330

  • Updated to latest sourcepawn syntax (now 1.11)
  • Fixed some stupid things (all cvars being FCVAR_NOTIFY)

l4d2_hideandseek

Plugin requirements:

A sourcemod extenstion of the vscript gamemode (https://steamcommunity.com/sharedfiles/filedetails/?id=2467133506)

  • Custom map boundaries, portals (tunnel through walls), and extra map props to spice up the maps
  • Optional climbable infected ladders
  • Heart beat sounds when a seeker is nearby
  • Quality of life improvements (winner messages, change seeker mid-game, change round time)
  • and a lot more that I've forgotten

Tip

Note: Starting the gamemode is very tricky, sometimes you need to slay all players multiple times and sometimes reload the plugin for it to properly start. Once it works, it should be stable.

l4d2_guesswho

Plugin requirements:

Based off gmod guess who game, find the real players amongst a group of bots. All logic is written in this plugin, thus is required. Vscript required for hud & mutation

Gamemode: https://steamcommunity.com/sharedfiles/filedetails/?id=2823719841

Requires l4dtoolz and left4dhooks, and optionally skip intro cutscene

l4d2_prophunt

Plugin requirements:

Based off gmod prop hunt, find the real players amongst a group of props. All logic is written in this plugin, thus is required. Vscript required for hud & mutation

Requires l4dtoolz and left4dhooks, and optionally skip intro cutscene

l4d2_hats (Hats & Editor)

Lets you hat any entity (has blacklist support), including players. Yeet, place, restore, and more with the hats. Also includes an entire prop editor that replaces any other prop spawner. You can create custom invisible walls and spawn props (In the future, may become a separate plugin.)

Prop Spawner Cheatsheat

The prop spawner includes:

  • Recents (recently spawned props)
  • Spawn Previews
  • Manual Placement (Move prop with cursor before spawning)
  • Prop Search
  • Better prop categories
  • Item spawning
  • Schematics (in early development)
  • Favorited props (in alpha)

Warning

Be warned, hatting can cause server crashes. It's a LOT more stable now, but some features are disabled by default (reverse hats, visible hats) as they caused too many crashes. Most crashes are caused by hats and ladders, but the default settings prevent it.

sm_namespamblock

If a user changes their name 3 times within 10 seconds, they will be temp banned for 10 minutes. Requires recompile to change.

  • Commands:
    • status2 - Shitty name, but shows all non-admin players, sorted by last joined ascending (up top). Shows steamid and the first name they joined the server as
    • sm_status2 - Same command, but allows /status2 in chat

l4d2_ai_tweaks

Simply, prevents an idle bot (that is a bot for an idle player) from healing another player unless:

  1. The target is black and white
  2. The player has been idle for over ALLOW_HEALING_MIN_IDLE_TIME (a #define) seconds (default is 3 minutes)

Requires recompile to change.

sm_player_notes

Simply lets you add notes to any player, and includes reputation summary and automatic actions (for my other plugins). When a player joins, all admins will see their notes.

Database File | Docs for Automatic Actions

  • Commands:
    • sm_note <player> <message> - Add notes to player, message does not need to be surrounded with quotes
    • sm_notedisconnected - Shows menu of all players that have disconnected
    • sm_notes <player> - View notes for player

About

A collection of my sourcemod plugins, most for my own server, and custom made for mostly L4D2.

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plugins sourcemod sourcemod-plugins sourcepawn l4d2 sm-plugin

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