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Tomb Raider (OpenLara)

First, make sure these steps are permissible in your locale. RetroArch and LibRetro do not share any copyrighted content.

Background

A new work-in-progress Tomb Raider game engine ported to libretro.

This game engine recreation seeks to allow you to play the original Tomb Raider engine games, from 1 all the way up to 5.

OpenLara V1 Tomb Raider 1 is fully playable.

The nice thing about OpenLara is that, while staying true to the original look and feel of the original, it also adds some enhancements to it that manages to make the boxy old-school Tomb Raider games look a bit less archaic. Some examples include :

  • The framerate is no longer fixed to 30fps, and you can now run it at a smooth 60fps framerate. There are even more framerate options, allowing you to play at 90fps, 120fps or even 144fps.
  • You can set the internal resolution of the game.
  • New water effects which replaces the simple vertex manipulation of the water surface on the PSX. The Saturn version actually was the only version that tried to do something a bit more sophisticated with the water.
  • Self-shadowing on all the player models (although this still has some visual anomalies at places).
  • Improved lighting effects, including colored lighting (you can see the save crystals emanating a blue light for instance, something which definitely was not in any of the prior Tomb Raider versions).
  • Shading effects – after Lara gets out of the water, her skin has a slightly wet shading effect.
  • There is also a brand new local multiplayer mode. You toggle the game into splitscreen mode by pressing Start at any one time. From there, you can see a second Lara character, which is only distinguished from the main character by a slightly jerky animation update routine. Player 2 can now take control of this Lara and you can engage in ‘jolly co-operation’. At all times, Player 1 can beckon Player 2 back to his position by pressing the Start button, which resets player 2’s position back to Player 1’s so that Player 2 can always be brought back in case he/she is running too far astray.
  • There is also a first person view that you can toggle into by pressing the Look button (L button) and then pressing the Action button (B button). This gives you a Mirror’s Edge-esque first person view.
  • The ability to target two enemies at the same time individually.
  • The graphical enhancements can all be toggled on/off inside the game’s inventory settings screen (toggleable by pressing the Select button).

The OpenLara core has been authored by

  • XProger

The OpenLara core is licensed under

A summary of the licenses behind RetroArch and its cores can be found here.

Requirements

This core requires that you use OpenGL as the video driver. Go to Settings -> Driver. If ‘video driver’ is set to ‘vulkan’, switch it back to ‘gl’, and then restart.

Attention

There is currently no ‘working’ macOS version available due to the OpenGL requirement.

Extensions

Content that can be loaded by the OpenLara core have the following file extensions:

  • .phd
  • .psx
  • .tr2

RetroArch dat that is associated with the OpenLara core:

Setup

TR1 is officially supported while 2 or 3 is not. You can still load the levels of 2 or 3 and play them with the proper file scheme. You can download the demo from Online Updater > Content Downloader > Tomb Raider and test Level 2. You can also experience the OpenLara's features in the demo. Apart from that, you can buy it here on GOG or here on Steam. Tomb Raider has differences between ports. The Steam and GOG version do not install the DATA and FMV folders directly into the directory. In Console versions, these files are in the image file.

Files

  • DATA, with .phd and .pcx files inside. These are the level files and title screen textures.
  • FMV, which contains a couple of .rpl files. These are the movies.

Not all audio files are available in the Steam/GOG distribution. In this case, you cannot hear some audio streams. For example, in the GYM level, you cannot hear Lara's instructions, but you can hear the sounds of walking, jumping and taking damage.

Getting Tomb Raider files

First, make sure these steps are permissible in your locale RetroArch or LibRetro do not share copyrighted content.

Rip Tomb Raider 1 Image from Steam/GOG

When you get Tomb Raider on digital platforms, you will see GAME.GOG(game file), GAME.DAT, dosbox.exe and configuration file of dosbox inside the folder.

Files inside Tomb Raider 1 from Steam

RetroArch and LibRetro do not share any copyrighted content.

GOG files store audio samples in Drumagog format. This format was developed by WaveMachine Labs for a software plugin that offers access to acoustic drums samples. GOG files are associated with VST technology and are compatible with any software that supports it. GOG format was originally developed in 1999 and is regularly updated.

Open the dosbox.conf file with a text editing file. Scroll down to until [autoexec], lines in this section will be run at startup.

mount C .
        imgmount d ".\game.dat" -t iso -fs iso
        xcopy D:\DATA\ C:\DATA\
        xcopy D:\FMV\ C:\FMV\

When you paste the code above, dosbox.exe will boot the image and copy the DATA and FMV files in it to the local machine each time it is opened. The computer version does not contain most audio files. For example, when you export existing audio files, you cannot hear Lara's instructions at the GYM level.

Folders from Tomb Raider 1 image

RetroArch and LibRetro do not share any copyrighted content.

You must convert the audio files in the main folder of TR1 to .ogg format. You can do this with the small FFmpeg script below. Apart from that, you can use console audio files with PC port.

Converting to OGG 

for f in ./*.mp3; do ffmpeg -i "$f" -c:a libvorbis -q:a 4 "${f/%mp3/ogg}"; done
This will convert files from mp3 to ogg

The PC Port also missing title and loading images, you can get them from the console version. Place the DELDATA folder from the Console port into the main TR1 directory.

Missing Title Screen / Title Screen from Console

Missing Title Screen Title Screen from Console

Rip Tomb Raider 1 Image from Console

jPSXdec is a modern, cross-platform PlayStation 1 audio/video converter. Check their documentation to understand how to use it.

Folder Setup

To achieve a continuous game that loads from one level to the next you can load directly from CD or preferably setup the content folder like this:

Folder File Type(s) Description
audio/1/ track_XX.ogg or XXX.ogg X represents a number
audio/2/ track_XX.ogg and MAIN.SFX Both tracks and MAIN.SFX are required
audio/3/ track_XX.ogg and MAIN.SFX Both tracks and MAIN.SFX are required
level/1/ *.PNG and *.PHD or *.PSX or *.SAT Load-screens and levels
level/2/ *.PNG and *.TR2 or *.PSX Load-screens and levels
level/3/ *.PNG and *.TR2 or *.PSX Load-screens and levels
video/1/ *.RPL or *.FMV Video cut-scenes
video/2/ *.RPL or *.FMV Video cut-scenes
video/3/ *.RPL or *.FMV Video cut-scenes

Note

if you load from CD you won't have soundtrack in TR1

Features

Frontend-level settings or features that the OpenLara core respects.

Feature Supported
Restart ✕
Saves ✔
States ✕
Rewind ✕
Netplay ✕
Core Options ✔
RetroAchievements ✕
RetroArch Cheats ✕
Native Cheats ✕
Controls ✔
Remapping ✔
Multi-Mouse ✕
Rumble ✕
Sensors ✕
Camera ✕
Location ✕
Subsystem ✕
Softpatching ✕
Disk Control ✕
Username ✕
Language ✕
Crop Overscan ✕
LEDs ✕

FPS mode

With OpenLara, you can experience Tomb Raider like you've never played before. You can try it through the eyes of Lara Croft with the primary person camera, for this you can switch to this mode by pressing L1 + A and exit this mode with the same combination. FPS also available in 2-Player Mode.

FPS mode

RetroArch and LibRetro do not share any copyrighted content.

2-Player Mode

You can include your friend with whom you want to pass TR levels together. Press Start from Second Controller in order to go 2-Payer Mode.

2-Player Mode

RetroArch and LibRetro do not share any copyrighted content.

Directories

The OpenLara core's library name is 'OpenLara'

The OpenLara core saves/loads to/from these directories.

File Description
system/openlara/*.xsh Shader files
saves/openlara/savegame.dat Savegame
saves/openlara/settings Settings

Geometry and timing

Core options

The OpenLara core has the following option(s) that can be tweaked from the core options menu. The default setting is bolded.

Settings with (Restart) means that core has to be closed for the new setting to be applied on next launch.

  • Framerate (restart) [openlara_framerate] (60fps|70fps|72fps|75fps|90fps|100fps|119fps|120fps| 144fps|240fps|244fps|15fps|30fps)

    Modify framerate. Requires a restart.

  • Internal resolution (restart) [openlara_resolution] (320x240|360x480|480x272|512x384|512x512|640x240| 640x448|640x480|720x576|800x600|960x720|1024x768| 1024x1024|1280x720|1280x960|1600x1200|1920x1080| 1920x1440|1920x1600|2048x2048|2560x1440| 3840x2160|7680x4320|15360x8640|16000x9000)

    Modify the internal resolution. Requires a restart.

Internal resolution - 320x240

Internal resolution - 1920x1080

Joypad

RetroPad Inputs User 1 input descriptors
Action (Shoot/grab)
Jump
Inventory
Start
Up
Down
Left
Right
Roll
Draw weapon
Walk (when holding)
Duck/Crouch (TR3 and up)
Dash (TR3 and up)