#!/usr/bin/python

GMS2 Gamepad DB Composer, @offalynne, 2021

processes the SDL2 Community Gamepad Mapping DB for GMS2 compatibility

run script and place the resulting gamecontrollerdb.txt in datafiles

import re import os import sys import urllib.request

print("Running revision 18") print("Warning !! As of GMS2022.11.1.75 GUID format for Windows has changed") print("Loading remote source")

get source db

source_url = "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt" source_content = None try: source_content = urllib.request.urlopen(source_url).read().decode('utf-8') except Exception as e: print(e); exit("Failed to fetch remote source")

print("Rebuilding DB")

clean up unsupported features

content = source_content

move hat-on-stick to dpad

content = content.replace("+leftx:h0.2,+lefty:h0.4,-leftx:h0.8,-lefty:h0.1", "dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1")

move axis-on-dpad to stick

content = re.compile(r"dpdown:+a(.+?),dpleft:-a(.+?),dpright:+a\2,dpup:-a\1").sub("leftx:a\2,lefty:a\1", content)

remove negative axis triggers

content = re.compile(r"((left|right)trigger:-a[0-999],)").sub("", content)

remove remaining maps with axis limiters

content = re.compile(r"([0-9a-f]{32},.,[-|+].\n)").sub("", content)

remove inverters

content = content.replace("~", "")

remove unsupported fields

content = re.compile(r"(,(guide|touchpad|misc1|paddle[1-4]):(.+?),)").sub(",", content)

swap back to guide (gp_select)

content = content.replace(",back:", ",guide:")

downgrade GUID !! Pre GMS2022.11.1.75 only !!

windows_maps = "" re_find = re.compile(r"[03|05][0-9a-f]{6}([0-9a-f]{4})[0-9a-f]{4}([0-9a-f]{4})[0-9a-f]{12}(,.*platform:Windows,)") for m in re.finditer(re_find, content): windows_maps += m.group(1) + m.group(2) + "000000000000504944564944" + m.group(3) + "\n"

remove dpad button keymaps

android_maps = "" re_find = re.compile(r"(.)(,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,)(.,platform:Android,)") for m in re.finditer(re_find, content): android_maps += m.group(1) + ",dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1," + m.group(3) + "\n"

omit unsupported platforms

seek_after = "# Mac OS X" seek_before = "\n\n# Android" seek_start = content.index(seek_after) + len(seek_after) seek_end = content.index(seek_before, seek_start) content = content[seek_start:seek_end]

rebuild db

rebuild_content = "# Game Controller DB for SDL\n" rebuild_content += "# Source: https://github.com/gabomdq/SDL_GameControllerDB\n\n# Windows\n" rebuild_content += windows_maps + "\n# Mac OS X" + content + "\n\n# Android\n" + android_maps content = rebuild_content

print("Writing DB file")

write file

db_filename = "gamecontrollerdb.txt" if os.path.isfile(db_filename): os.remove(db_filename)

file_handle = open(db_filename, "a") file_handle.write(content)

print("Done")