A tool for making map images from OpenTTD save games

Related tags

Deep Learning OpenTTD_surveyor
Overview

OpenTTD Surveyor

A tool for making map images from OpenTTD save games. This is not part of the main OpenTTD codebase, nor is it ever intended to be part of it. This project was written in python to parse save game files to make maps. At the time of writing, it only supports save files up to version 34.

Installation

Install pycairo https://pycairo.readthedocs.io/en/latest/getting_started.html

On a mac you can do:

> brew install cairo pkg-config

Create a virtualenv and install the requirements:

> python3 -m venv venv
> source venv/bin/activate
> pip install --upgrade pip
> pip install -r requirements.txt

Then clone the repo and change dir:

> git clone [email protected]:aidansean/OpenTTD_surveyor.git
> cd OpenTTD_surveyor

Use

Then you should be able to use the tool to make some maps!

Make a png map of the tutorial map:

> python src/run.py -m png -v -i example_saves/Tutorial.sav

Make an svg map of the tutorial map in dark mode:

> python src/run.py -m svg -v -d -i example_saves/Tutorial.sav

Docker

You can also use docker to run the tool to avoid installing dependencies on your host PC (instead you need to "only" install docker).

Follow the relevant instructions to install docker on your system: https://docs.docker.com/engine/install/

Clone the repo and change dir as mentioned above.

Build the docker image:

docker build . -t openttd_surveyor

And run the tool:

docker run --rm -v "${PWD}/example_saves":/save -v "${PWD}/example_images":/image openttd_surveyor -m png -v -o /image -i "/save/tiny.sav"

Change ${PWD}/example_saves to the location of your savegames and ${PWD}/example_images to the location you want to output the images.

Questions

It takes ages to generate a map for a very large save game.

Yes, it will do. You can use the -p option to show progress bars and -v option to give verbose output, and find out where it's taking a long time.

Can I use this on Windows?

I don't have a Windows machine, so I can't help with that, I'm afraid. Anywhere you can use python and can install cairo should work.

Will it work with this really cool extension I'm using?

Yes. No. Maybe. I don't know. Can you repeat the question? Try it and find out!

I'm colour blind. Can you make it more colour blind friendly?

Maybe... Pretty much all the colours are specified in the config files, so you should be able to change the colours there to something more friendly.

This repo is poorly coded and the maps are buggy!

Probably. Help out by forking it and opening a PR :)

Screenshots

Here's the sort of thing it can do:

Normal mode example

Normal mode example

Dark mode example

Comments
  • JGRPP version support or some other error?

    JGRPP version support or some other error?

    Hello, is the JGRPP version of OpenTTD supported? I'm getting some error I think it cannot find the owner of some bridge with my savegame but I'm not 100% if it's JGRPP that's responsible for that or not.

    Here's the full exception along with some context:

    INFO:Surveyor:[2021-05-31 13:28:31.757651]  All done!
INFO:Surveyor:[2021-05-31 13:28:31.812244]  Min, max map height: 0, 255
INFO:Surveyor:[2021-05-31 13:28:31.890413]  Dimensions of tile size, image before resizing: 50, 25550 x 25550
INFO:Surveyor:[2021-05-31 13:28:31.890888]  Dimensions of tile size, image after resizing : 50, 25550 x 25550
INFO:Surveyor:[2021-05-31 13:28:32.190478]  Drawing tile backgrounds.
INFO:Surveyor:[2021-05-31 13:28:39.897068]  Drawing road tiles.
INFO:Surveyor:[2021-05-31 13:28:40.242632]  Drawing rail tiles.
INFO:Surveyor:[2021-05-31 13:28:45.233072]  Drawing station tiles.
INFO:Surveyor:[2021-05-31 13:28:47.840059]  Drawing tunnel mouth and bridge ramp tiles.
INFO:Surveyor:[2021-05-31 13:28:47.899509]  Drawing building tiles.
INFO:Surveyor:[2021-05-31 13:28:50.830704]  Drawing industry tiles.
INFO:Surveyor:[2021-05-31 13:28:52.405351]  Drawing water tiles.
INFO:Surveyor:[2021-05-31 13:28:57.646366]  Drawing road tiles.
INFO:Surveyor:[2021-05-31 13:28:57.756247]  Drawing tram tiles.
INFO:Surveyor:[2021-05-31 13:28:57.796677]  Drawing rail tiles.
INFO:Surveyor:[2021-05-31 13:29:01.166532]  Drawing rail signals.
INFO:Surveyor:[2021-05-31 13:29:01.260801]  Drawing bridges over tiles.
Traceback (most recent call last):
  File "/app/src/run.py", line 113, in <module>
Working with the following settings:
   save_file_path: /data/fureito.sav
 output_file_path: /data/fureito.png
 config_file_path: config/main.json
       image_mode: PNG
        tile_size: None
          verbose: True
show_progress_bar: False
        dark_mode: False
    main()
  File "/app/src/run.py", line 109, in main
    surveyor.save_image(output_file_path, image_mode)
  File "/app/src/surveyor.py", line 178, in save_image
    self.painter.save_image(image_file_path, filetype=filetype)
  File "/app/src/cairo_painter.py", line 2050, in save_image
    self.draw_bridges_over(all_tiles)
  File "/app/src/cairo_painter.py", line 1829, in draw_bridges_over
    self.draw_unknown_bridge_over(tiles, tile, tile.bridge - 1)
  File "/app/src/cairo_painter.py", line 1305, in draw_unknown_bridge_over
    self.draw_rail_bridge_over(tile, rotation, track_type, source_tile_owner)
  File "/app/src/cairo_painter.py", line 849, in draw_rail_bridge_over
    self.draw_bridge_over(tile, rotation, "rail", track_type, None, source_tile_owner)
  File "/app/src/cairo_painter.py", line 782, in draw_bridge_over
    self.draw_rail_line(
  File "/app/src/cairo_painter.py", line 452, in draw_rail_line
    inner_rgb = self.player_colors[owner]
TypeError: list indices must be integers or slices, not NoneType

    Also attaching the savegame: fureito.sav.zip

    Edit: added more context to the log

    opened by eirc 3
  • Industry replacement grfs can fail

    Industry replacement grfs can fail

    Looks Like Industry set replacements fail:

    INFO:Surveyor:[2021-05-31 14:50:23.292846]  Parsing tile bits...
Traceback (most recent call last):
  File ".\src\run.py", line 113, in <module>
	main()
  File ".\src\run.py", line 107, in main
	surveyor.ingest_data()
  File ".\OpenTTD_surveyor\src\surveyor.py", line 145, in ingest_data
	self.set_map_bytes()
  File ".\OpenTTD_surveyor\src\surveyor.py", line 127, in set_map_bytes
	tile.parse_all()
  File ".\OpenTTD_surveyor\src\tile.py", line 138, in parse_all
	self.occupant.parse_all()
  File ".\OpenTTD_surveyor\src\tile_occupant.py", line 244, in parse_all
	self.industry_type = INDUSTRY_TYPES[self.parse_map_bits(b'MAP5', 0, 8)]
IndexError: list index out of range

    Specifically a FIRS 4.0.1 grf only. Maybe just use the index number if out of range?

    opened by purplemonkeymad 2
  • Support runnning with docker.

    Support runnning with docker.

    Since the project is not developed with docker in mind, the "run" command looks a bit awkward in order to mount all relevant directories and to make sure the current dir is correct.

    If this gets used enough it can be simplified further in the future by, for example, outputting the image by default to the same folder as the savegame and similar minor tweaks. I didn't want to make any such changes now though to keep this as frictionless as possible.

    opened by eirc 0
  • Added eras and types of signals.

    Added eras and types of signals.

    This PR adds signals with eras and types:

    Era:

    • 0: Semaphore, rectangle
    • 1: Electric, circle

    Type:

    • 0: Block, white
    • 1: Pre-signal, yellow
    • 2: Exit signal, grey
    • 3: Combo signal, yellow with grey vertical stripe
    • 4: Path signal: Red
    • 5: One way path signal: White with red horizontal stripe

    It also adds the option to not show roads.

    opened by aidansean 0
  • Fixed progress bars. Protected against IndexError

    Fixed progress bars. Protected against IndexError

    This PR fixes three things:

    • Protects against None values when searched for bridge owners (this happens with incompatible save files, but allows the process to complete, helping to debug the problem.)
    • If finding the industry type results in an IndexError, set the industry_type to OTHER_INDUSTRY.
    • Fixes progress bars. There must be a cleaner way to do this with decorators or something. A problem to solve properly at a later date.
    opened by aidansean 0
Owner
Aidan Randle-Conde
Former high energy physicist who codes to solve problems for fun
Aidan Randle-Conde
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