CstDoom3 is a gameplay mod for Doom 3 and Resurrection of Evil (RoE). All new features are optional (opt-in), and nearly all of them can be configured using the menus. Here is an overview (as of v1.2):

Show Access Codes: When you interact with a GUI that requires an access code (like the keypad of a locker), a window magically appears on the HUD (if enabled) showing the code you need to enter. Useful if you are tired of searching for access codes in PDA messages and audio logs.

Access Codes


Grabber and Double Barrel Shotgun in Doom 3: The Grabber and the Double Barrel Shotgun from RoE can be used in the Doom 3 campaign. These two weapons can be found in Mars City Underground, Hell, and Delta 5. Note: This feature is available only if RoE is installed.

Grabber in Doom 3 Grabber vs. Sabaoth


Double Barrel Shotgun in Doom 3


Chainsaw in RoE: The Chainsaw from Doom 3 can be used in the RoE campaign. This weapon is easily found in the beginning of the game (Erebus 1).

Chainsaw in RoE


Shotgun Spread Control: You can easily adjust the Shotgun spread using the menus. Works in singleplayer (no restrictions) and in multiplayer (controlled by the server).

Additional Key Layers: The keyboard and mouse keys have additional layers to which controls can be assigned. If you use this feature wisely, all relevant controls will be "right below your fingers", so you will never need to look at the keyboard during gameplay.

Headlamp: The new player headlamp can be turned on/off whenever you want, and functions independently of the weapons. Useful if you want to shoot and see at the same time. Works in singleplayer (no restrictions) and multiplayer (if allowed by the server). The image below compares the Headlamp ON (left side) with the Headlamp OFF (right side).

Headlamp


Demigod: This is something between god mode and the actual gameplay. When demigod is on, your health and armor levels decrease as usual when taking damage, but your health never drops below 1 (so you never die). Rumors say that you must enter cstDemigod at the console to enable it.

Run Freely: The "always run" and "toggle run" functionalities are available in singleplayer, and stamina drop can be disabled.

Run, Crouch, Zoom Indicators on HUD: If enabled, an indicator is displayed on the HUD while Run/Crouch/Zoom is active (each control has its own indicator, and you can choose which ones are enabled). This is particularly useful if you configure these controls as toggles. The indicators are shown in the image below (lower left). Run is red with ">", Crouch is yellow with "-", and Zoom is blue with "+".

Run, Crouch, Zoom Indicators on HUD


Smoke Control: The muzzle smoke of any player weapon and the fly smoke of their projectiles can be independently switched off. Works in singleplayer (no restrictions) and multiplayer (if allowed by the server).

Damage Feedback Control: Any of the player's damage feedback mechanisms (double vision, tunnel vision, screen blobs, pain sounds, etc.) can be disabled. Works in singleplayer (no restrictions) and multiplayer (if allowed by the server).

Miscellaneous: Other assorted options are available. For instance, the Flashlight can be switched on/off in singleplayer, and grabbed objects can be thrown with improved accuracy.

Bug Fixes: A number of bugs in Doom 3 and RoE have been fixed, some of which are multiplayer related (see the included list of changes). Notice that bug fixes are not optional (except for an experimental multiplayer smoke fix).

Hidden Multiplayer Bonus: The Grabber and the BFG now work in multiplayer. These weapons, however, have not been added to the existing multiplayer maps, so you need to create your own mod if you want to use them in multiplayer (see the included manual for a way to do it).

Additional Notes:

  • CstDoom3 is for the original releases of Doom 3 and RoE. It works both with the retail discs (patched to version 1.3.1) and with Steam (no patches required). It does not work, however, with the BFG edition.
  • Only Windows binaries are provided. These should work with Windows 7 SP1 or later versions (8, 8.1, 10).
  • The complete source code is included.

CstDoom3 v1.2


See the included manual for installation instructions.

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What's New in v1.2

Shotgun Spread Control: You can easily adjust the Shotgun spread using the menus (see the images below). Works in singleplayer (no restrictions) and in multiplayer (controlled by the server).

Game Options


Server Options


Bug Fixes: The detected bugs from the previous version have been fixed. See the included list of changes for the details.

Instructions for the Steam Overlay: Using the Steam overlay with CstDoom3 is possible. If you're interested, see Appendix E of the included manual.

About The Shotgun Spread

Put simply, the shotgun spread refers to how far apart the pellets are scattered when you shoot. This is illustrated in the image below. The left side corresponds to a spread of 22 (the default in singleplayer) and the right side to a spread of 11 (the default in multiplayer). In both cases, the holes in the wall were produced by firing the Shotgun 7 times in the same direction. To facilitate the comparison, a red circle enclosing all holes has been added to each side (these circles don't appear in-game).

Shotgun Spread


As you can imagine, a nice way to make the shotgun more effective is to reduce its spread. The new Shotgun Spread options (SP and MP) allow you to do precisely that. In singleplayer, you are free to experiment and choose any value you want (a suggested value is 11). In multiplayer, the shotgun spread is controlled by the server.

The Features

Here is a brief list of what is available:

  • Show access codes (locker codes, etc.) on the HUD
  • Grabber and Double Barrel Shotgun in Doom 3
  • Chainsaw in RoE
  • Shotgun spread control (new in v1.2)
  • Additional key layers for the game controls
  • Headlamp
  • Demigod mode
  • "Always Run" / "Toggle Run" in singleplayer; Stamina drop can be disabled
  • Run, Crouch, Zoom indicators on HUD
  • Smoke control
  • Damage feedback control
  • Other stuff

For a better overview, see the description in the top of the CstDoom3 profile. Notice that all features are optional (opt-in).

A Tip

Recall that the multiplayer menus have also been updated, so you can configure the settings of CstDoom3 from there too. The images below give an idea of what these menus look like.

Controls in Multiplayer


Server Options in Multiplayer


Additional Notes

  • CstDoom3 is for the original releases of Doom 3 and RoE. It works both with the retail discs (patched to version 1.3.1) and with Steam (no patches required). It does not work, however, with the BFG edition.
  • Only Windows binaries are provided. These should work with Windows 7 SP1 or later versions (8, 8.1, 10).
  • The complete source code is included.

Get It

CstDoom3 v1.2


See the included manual for installation instructions.

CstDoom3 v1.1 released

CstDoom3 v1.1 released

News 6 comments

Now with updated menus, so it is easy to configure.

CstDoom3 v1.0 released

CstDoom3 v1.0 released

News 6 comments

CstDoom3 version 1.0 has been released. All new features, except for bug fixes, are optional.

RSS Files
CstDoom3 v1.2

CstDoom3 v1.2

Full Version

CstDoom3 version 1.2. See the included manual for installation instructions.

CstDoom3 v1.1 (Old)

CstDoom3 v1.1 (Old)

Full Version

CstDoom3 version 1.1. This version is outdated. A newer version is available.

CstDoom3 v1.0 (Old)

CstDoom3 v1.0 (Old)

Full Version 2 comments

CstDoom3 version 1.0. This version is outdated. A newer version is available.

Comments  (0 - 10 of 30)
BigTinz
BigTinz

Excited to try v1.2

Is resolution/aspect handled by this mod or should that still be manually tweaked in the .cfg?

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fva Creator
fva

Hope you like it! You can set a custom resolution using the menus, so tweaking the cfg isn't needed anymore. The aspect ratio is now handled automatically by default.

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jonfredmaxino45
jonfredmaxino45

Wait I remember I installed a mod in my base folder I deleted and the bug disappeared thanks and also does this work with diii4a?

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fva Creator
fva

Sorry man, it doesn't. And I'm glad to hear you fixed the problem.

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jonfredmaxino45
jonfredmaxino45

The weapon textures turn Wight when I face a serten direction is this a bug?

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fva Creator
fva

This really shouldn't happen. CstDoom3 doesn't change anything that could lead to this issue, so I suspect that something external may be the cause. Did you install any mods directly to the "base" or "d3xp" folders? Does this issue also happen when you play Doom 3 / RoE without any mods?

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gameragodzilla
gameragodzilla

Is it just me or does this mod cause enemies to ignore Sentry Bots? They still get damaged but they always beeline straight towards me regardless.

Not a big issue, but having Sentry Bots that distracted enemies as well as shooting them made them much more useful.

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gameragodzilla
gameragodzilla

Nevermind, seems like it was an issue because I was using v1.0. v1.1 seems to not have this issue, though it also means I'll have to replay the entire game from start again because I like saving certain specific points in the game to replay later.

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WindSoar28
WindSoar28

Hello i have been playing your mod for awhile now and its really helpful it is awesome to have the grabber and super shotgun in Doom 3 as well as the other Bells and Whistles this mod Provides. And the headlamp is REALLY helpful no need for switching between weapons and flashlight anymore. though i have been having a hard time getting it to run Smoothly with a mod called Doom 3 Realistic Weapons v10 which all it really does is Balance out the weapons and changes how they work which i don't see how it would conflict with the Components of your mod. but it makes the weapon Selection go all Janky and messed up and i cant select the grabber anymore nor the super Shotgun. i have tried all the Methods Suggested in the installation instructions Manual you Provided like making a Base_Mod and D3XP_Mod folder outside of the base and D3XP folders and setting the Steam Launch Options. But it still didn't work i Even tried to add the Weapon Mods Files Specifically to the Mods Sub folders the cst_d3_a Folder and the cst_roe_a Folder as it affects the Standard Weapons in the Expansion pack ROE Along with the super shotgun in ROE as well and how it works. And it still didn't work. is the Mod i am trying to use with it just not Compatible?. i will leave a Link to the Mods Page so you can read the effects of the Mod yourself to see if it would effect your mod adversely and any help if possible to get the two Mods working together would be Greatly Appreciated. if Not i will just stick with CSTDoom 3 and stick with unmodified guns. Link to the Mod i am trying to use with CSTDoom3 v1.1 is here -----> Moddb.com

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fva Creator
fva

Thanks man. Unfortunately, CstDoom3 isn't compatible with the mod you have mentioned. I took a brief look at its modified files (inside the pk4's), and noticed that some of them are also modified by CstDoom3. Since this is guaranteed to cause conflicts, you can't combine these mods.

Regarding the manual, the instructions in Appendix A are intended to avoid installation conflicts only. By moving the other mods from "base" and "d3xp" to their own folders, you keep them available, but separated from CstDoom3.

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WindSoar28
WindSoar28

i Appreciate the reply and thank you its a Bummer but oh well

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