wesnoth/data/tools/tmx_trackplacer
Steve Cotton 3a8dc9c361 trackplacer3 a utility to export and import tmx files (#4365)
The python2 trackplacer included both the handling of the file format, and the
GUI application. This trackplacer3 is a library for the file format, without
the GUI.

The new tmx_trackplacer is a command-line tool for exporting the data to
Tiled's .tmx format, and re-importing it back to .cfg files, so that the GUI of
Tiled can be used to avoid reimplementing the GUI of Trackplacer in Python 3.

The implementation uses Tiled's Object Layers (not Tile Layers).  This allows
additional journey markers to be added with the "Insert Tile" tool, and
additional journeys to be added as new layers.

It can also read in a .cfg and then re-export it to a new .cfg file, to see if
the data is preserved. The format is chosen by the output filename.

The old trackplacer2 isn't removed in this commit - before removing it, I think
trackplacer3 needs some way to preview the animation.

----- Comments on the mainline campaigns: -----

AToTB, DM, LoW, NR and THoT will work with this. But:

Northern Rebirth's bigmap.cfg has a track RECOVERY whose STAGE1 starts with
an OLD_REST - that isn't handled by trackplacer, it must have been hand-edited.
That OLD_REST will be lost when read by either trackplacer2 or trackplacer3,
similarly the OLD_BATTLE of LoW's SAURIANS track will be lost.

Delfador's Memoirs SEARCH_STAGE1 is omitted from all subsequent parts of
SEARCH. Also in DM, SEARCH_STAGE3 has a point which is then moved in STAGE4
onwards - I guess a hand edit. Both of this will be overwritten if the file
is edited with either this tool or with the python2 trackplacer.

SotA's journey_chapter*.cfg files and WoV's bigmap.cfg file have some of the
trackplacer comments removed, they won't be handled by this tool, at least not
until better error handling is added.
2019-11-14 13:43:25 +01:00

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#!/usr/bin/env python3
# encoding: utf-8
"""
tmx_trackplacer -- a tool for placing map tracks using Tiled
This creates .tmx files (Tiled's format) based on the trackplacer's journey data.
The journey can be edited in Tiled using the "Insert Tile" tool, and then the .tmx
data converted back to the trackplacer parts of the .cfg file.
It can also read in a .cfg and then re-export it to a new .cfg file, to see if the
data is preserved. The format is chosen by the filename given to the --output option.
If a .jpg or .png file is given as the input, then the output will be a template .tmx
or .cfg file for drawing a track on top of that image.
Example usage:
* data/tools/tmx_trackplacer images/campaign_map.png --output temp.tmx
* data/tools/tmx_trackplacer data/campaigns/Northern_Rebirth/utils/bigmap.cfg --output temp.tmx
* data/tools/tmx_trackplacer data/campaigns/Northern_Rebirth/utils/bigmap.cfg --output temp.cfg
"""
import wesnoth.trackplacer3 as tp3
import argparse
if __name__ == "__main__":
ap = argparse.ArgumentParser(usage=__doc__)
ap.add_argument("file", metavar="string", help="Read input from this file")
ap.add_argument("-o", "--output", metavar="string",
help='Write output into the specified file')
ap.add_argument("--data-dir", metavar="dir",
help='Same as Wesnoths “--data-dir” argument')
options = ap.parse_args()
if options.data_dir is None:
import os, sys
APP_DIR,APP_NAME=os.path.split(os.path.realpath(sys.argv[0]))
WESNOTH_ROOT_DIR=os.sep.join(APP_DIR.split(os.sep)[:-2]) # pop out "data" and "tools"
options.data_dir=os.path.join(WESNOTH_ROOT_DIR,"data")
journey = None
if options.file:
if options.file.endswith(".cfg"):
reader = tp3.CfgFileFormat()
(journey, metadata) = reader.read(options.file)
elif options.file.endswith(".tmx"):
reader = tp3.TmxFileFormat(wesnoth_data_dir=options.data_dir)
(journey, metadata) = reader.read(options.file)
elif options.file.endswith(".png") or options.file.endswith(".jpg"):
journey = tp3.Journey()
journey.mapfile = options.file
metadata = None
else:
raise RuntimeError("Don't know how to handle input from this file type")
if journey:
print("Read data:", str(journey))
else:
raise RuntimeError("Failed to read journey data")
if options.output:
if options.output.endswith(".cfg"):
print("Exporting as cfg")
exporter = tp3.CfgFileFormat()
exporter.write(options.output, journey, metadata)
elif options.output.endswith(".tmx"):
print("Exporting as tmx")
exporter = tp3.TmxFileFormat(wesnoth_data_dir=options.data_dir)
exporter.write(options.output, journey, metadata)
else:
raise RuntimeError("Don't know how to handle output to this file type")