Replace mapper.txt by mapper.py and to improve speed and fix possible…

… errors in the mapping process

PortMaster/batocera/control.txt

@@ -36,7 +36,7 @@ get_controls() {
 
   if [ -f "$controlfolder/cwtbe_flag" ]; then
     if [ -f "${HOME}/configs/emulationstation/es_input.cfg" ]; then
-      $controlfolder/mapper.txt /tmp/gamecontrollerdb.txt > /dev/null 2>&1
+      $controlfolder/mapper.py /tmp/gamecontrollerdb.txt > /dev/null 2>&1
     fi
   fi
 

PortMaster/control.txt

@@ -151,7 +151,7 @@ get_controls() {
   fi
 
   if [ -f "${HOME}/.config/emulationstation/es_input.cfg" ]; then
-    $controlfolder/mapper.txt /tmp/gamecontrollerdb.txt > /dev/null 2>&1
+    $controlfolder/mapper.py /tmp/gamecontrollerdb.txt > /dev/null 2>&1
   fi
 
   SDLDBUSERFILE="${HOME}/.config/SDL-GameControllerDB/gamecontrollerdb.txt"

PortMaster/knulli/control.txt

@@ -35,7 +35,7 @@ get_controls() {
 
   if [ -f "$controlfolder/cwtbe_flag" ]; then
     if [ -f "${HOME}/configs/emulationstation/es_input.cfg" ]; then
-      $controlfolder/mapper.txt /tmp/gamecontrollerdb.txt > /dev/null 2>&1
+      $controlfolder/mapper.py /tmp/gamecontrollerdb.txt > /dev/null 2>&1
     fi
   fi
 

PortMaster/mapper.py

@@ -0,0 +1,173 @@
+#!/usr/bin/env python3
+import xml.etree.ElementTree as ET
+import argparse
+from pathlib import Path
+
+ES_INPUT_CFG = "es_input.cfg"
+
+GAMECONTROLLERDB_TXT = "gamecontrollerdb.txt"
+
+TR_MAP = {
+    "b" : "a",
+    "a" : "b",
+    "x" : "y",
+    "y" : "x",
+    "hotkeyenable" : "guide",
+    "hotkey" : "guide",
+    "up" : "dpup",
+    "down" : "dpdown",
+    "left" : "dpleft",
+    "right" : "dpright",
+    "leftshoulder" : "leftshoulder",
+    "l2" : "leftshoulder",
+    "leftthumb" : "leftstick",
+    "l3" : "leftstick",
+    "lefttrigger" : "lefttrigger",
+    "rightshoulder" : "rightshoulder",
+    "r2" : "rightshoulder",
+    "rightthumb" : "rightstick",
+    "r3" :  "rightstick",
+    "righttrigger": "righttrigger",
+    "select" : "back",
+    "start" : "start",
+    "leftanalogup" : "-lefty",
+    "leftanalogleft" : "-leftx",
+    "leftanalogdown" : "+lefty",
+    "leftanalogright" : "+leftx",
+    "rightanalogup" : "-righty",
+    "rightanalogleft" : "-rightx",
+    "rightanalogdown" : "+righty",
+    "rightanalogright" : "+righty"
+}
+
+MAP_SUFFIX="platform:Linux,"
+
+# -- Helper function --
+# Pre Map
+def premap_input(input_entry):
+    input_name = input_entry["name"]
+    input_type = input_entry["type"]
+    input_id = input_entry["id"]
+    input_value = input_entry["value"]
+
+
+    invert_value = "-1"
+    if input_value == "-1":
+        invert_value = "1"
+
+    if input_name == "joystick1left":
+        leftanalogleft = map_input("leftanalogleft", input_type, input_id, input_value)
+        leftanalogright = map_input("leftanalogright", input_type, input_id, invert_value)
+        return f"{leftanalogleft}{leftanalogright}"
+    elif input_name == "joystick1up":
+        leftanalogup = map_input("leftanalogup", input_type, input_id, input_value)
+        leftanalogdown = map_input("leftanalogdown", input_type, input_id, invert_value)
+        return f"{leftanalogup}{leftanalogdown}"
+    elif input_name == "joystick2left":
+        rightanalogleft = map_input("rightanalogleft", input_type, input_id, input_value)
+        rightanalogright = map_input("rightanalogright", input_type, input_id, invert_value)
+        return f"{rightanalogleft}{rightanalogright}"
+    elif input_name == "joystick2up":
+        rightanalogup = map_input("rightanalogup", input_type, input_id, input_value)
+        rightanalogdown = map_input("rightanalogdown", input_type, input_id, invert_value)
+        return f"{rightanalogup}{rightanalogdown}"
+    else:
+         return f"{map_input(input_name, input_type, input_id, input_value)}"
+
+# Map the actual button/hat/axis
+def map_input(input_name, input_type, input_id, input_value):
+
+
+    if not input_name in TR_MAP.keys():
+      print(f"Invalid mapping {input_name}.")
+      return ""
+
+    tr_name = TR_MAP[input_name]
+
+    print(f"{input_name} -> {tr_name}")
+
+    if input_type == "axis":
+        if int(input_value) < 0:
+            return f"{tr_name}:-a{input_id},"
+        else:
+            # Most (save for a few misbehaved children...) triggers are [0, 1] instead of [-1, 1]
+            # Shitty workaround for an emulationstation issue
+            if "trigger" in input_name:
+                return f"{tr_name}:a{input_id},"
+            else:
+                return f"{tr_name}:+a{input_id},"
+
+    elif input_type == "button":
+        return f"{tr_name}:b{input_id},"
+
+    elif input_type == "hat":
+        return f"{tr_name}:h{input_id}.{input_value},"
+
+    else:
+        print(f"Invalid entry {input_type}")
+        return ""
+
+def main():
+
+    parser = argparse.ArgumentParser(description='ES input to gamecontrollerdb mapper')
+    parser.add_argument('filepath', help='gamecontrollerdb file path (eg: /tmp/gamecontrollerdb.txt)')
+
+    args = parser.parse_args()
+
+    deviceGUID_list = []
+
+    with open(args.filepath,"r") as gamecontrollerdb:
+        for line in gamecontrollerdb.readlines():
+            line = line.strip()
+            if line.startswith("#") or len(line) == 0:
+                continue
+            deviceGUID = line.split(",")[0]
+            deviceGUID_list.append(deviceGUID)
+
+    es_input_path = Path.home() / "configs" / "emulationstation" / ES_INPUT_CFG
+
+    if not es_input_path.is_file():
+        es_input_path = Path.home() / ".config" / "emulationstation" / ES_INPUT_CFG
+
+    with open(args.filepath, "w+") as gamecontrollerdb:
+
+        gamecontrollerdb.write("\n# Custom Entries\n")
+
+        print("## ES Dev Mapper ##")
+
+        tree = ET.parse(es_input_path)
+        root = tree.getroot()
+
+        for entry_l1 in root:
+            if entry_l1.tag == "inputConfig":
+                inputConfig = entry_l1.attrib
+
+                deviceGUID = inputConfig['deviceGUID']
+
+                # Ignore keyboards
+                if deviceGUID == "-1":
+                    continue
+
+                # Check if GUID exists in gamecontrollerdb.txt
+                if deviceGUID in deviceGUID_list:
+                    print("Already mapped...")
+                    continue
+
+                deviceName = inputConfig['deviceName']
+
+                mapping = ""
+
+                for entry_l2 in entry_l1:
+                    if entry_l2.tag == "input":
+                        mapping = f"{mapping}{premap_input(entry_l2.attrib)}"
+
+                if len(mapping) > 0:
+                    mapping = f"{deviceGUID},{deviceName},{mapping}{MAP_SUFFIX}"
+                    gamecontrollerdb.write(f"{mapping}\n")
+                    print(f"{mapping}\n\n")
+
+                else:
+                    print("Failed to map anything.")
+
+if __name__ == '__main__':
+    main()