Control mappings

Genshin Impact uses Rewired as underlying input system. Rewired is using so-called "Controller maps", which are just fancy XMLs with buttons/axis definitions.
It's pretty convenient that all mappings are shown in Genshin's settings after they are added - so you can bind attack to keyboard button, for example, and then rebind it from Genshin Impact in-game settings.

How does it work?

There are a few steps in the chain between player's thought and a game action.

Player presses a button on the controller
Controller's button is translated to element identifier ID
Action element map is being used to match that ID to the action ID
Game receives action ID and does it.

Overrides

Part of the config

"_overrideControllerMapKeyList": [
    "OverrideControllerMap__d74a350e-fe8b-4e9e-bbcd-efff16d34115__2000000",
    "OverrideControllerMap__d74a350e-fe8b-4e9e-bbcd-efff16d34115__2001000",
    "OverrideControllerMap__00000000-0000-0000-0000-000000000000__0"
  ],
"_overrideControllerMapValueList": [
    <?xml version="1.0" encoding="utf-16"?>
    <JoystickMap dataVersion="2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://guavaman.com/rewired http://guavaman.com/schemas/rewired/1.1/KeyboardMap.xsd"
        xmlns="http://guavaman.com/rewired"> <sourceMapId>9</sourceMapId>
        <categoryId>0</categoryId>
        <layoutId>0</layoutId>
        <name></name>
        <hardwareGuid>d74a350e-fe8b-4e9e-bbcd-efff16d34115</hardwareGuid>
        <enabled>true</enabled>
        <buttonMaps>
            <ActionElementMap>
                <actionCategoryId>0</actionCategoryId>
                <actionId>5</actionId>
                <elementType>1</elementType>
                <elementIdentifierId>13</elementIdentifierId>
                <axisRange>0</axisRange>
                ...

The _overrideControllerMapKeyList has a list of controller overrides. They look like OverrideControllerMap__{Controller ID}__{Yet unknown number}. For every value, there must be a matching controller in _overrideControllerMapValueList that contain the keybindings definitions.

Controller is defined like this:

<?xml version="1.0" encoding="utf-16"?>
<JoystickMap dataVersion="2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://guavaman.com/rewired http://guavaman.com/schemas/rewired/1.1/KeyboardMap.xsd" xmlns="http://guavaman.com/rewired">
    <sourceMapId>9</sourceMapId>
    <categoryId>0</categoryId>
    <layoutId>0</layoutId>
    <name></name>
    <hardwareGuid>d74a350e-fe8b-4e9e-bbcd-efff16d34115</hardwareGuid>
    <enabled>true</enabled>
    <buttonMaps>
        <!--List of ActionElementMap for buttons-->
    </buttonMaps>
    <axisMaps>
        <!--List of ActionElementMap for buttons-->
    </axisMaps>
</JoystickMap>

JoystickMap is used for gamepads, KeyboardMap - for keyboard, and probably MouseMap for mouse. KeyboardMap has no axis maps.

Elements breakdown:

Name	Value	Description
sourceMapId	?	?
categoryId	0-1?	?
layoutId	0?	?
name	Empty	?
hardwareGuid	UUID	UUID of the device, 0's for keyboard
enabled	true	Status?
buttonMaps	List of ActionElementMap	Button mappings
axisMaps	List of ActionElementMap	Axis mappings, absent on keyboard

Controller IDs

Every controller has it's own ID for the game to discriminate it from the others.

Currently known IDs

Name	UUID	Map Name
XInput Gamepad	d74a350e-fe8b-4e9e-bbcd-efff16d34115	JoystickMap
Keyboard	00000000-0000-0000-0000-000000000000	KeyboardMap
Mouse	00000000-0000-0000-0000-000000000000?	MouseMap?

Element Identifiers IDs

This is the IDs of controller's buttons. Fresh ones can be found here. There are CSV files which has relationships between element identifier IDs and physical keys.

Keyboard Element Identifiers

Button	Element Identifier
0	None
A	1
B	2
C	3
D	4
E	5
F	6
G	7
H	8
I	9
J	10
K	11
L	12
M	13
N	14
O	15
P	16
Q	17
R	18
S	19
T	20
U	21
V	22
W	23
X	24
Y	25
Z	26
0	27
1	28
2	29
3	30
4	31
5	32
6	33
7	34
8	35
9	36
Numpad 0	37
Numpad 1	38
Numpad 2	39
Numpad 3	40
Numpad 4	41
Numpad 5	42
Numpad 6	43
Numpad 7	44
Numpad 8	45
Numpad 9	46
Numpad .	47
Numpad /	48
Numpad *	49
Numpad -	50
Numpad +	51
Space	54
Backspace	55
Tab	56
Clear	57
Enter	58
Pause	59
ESC	60
'	66
,	71
-	72
.	73
/	74
;	76
=	78
[	82
\	83
]	84
~	87
Delete	88
Arrow Up	89
Arrow Down	90
Arrow Right	91
Arrow Left	92
Insert	93
Home	94
End	95
Page Up	96
Page Down	97
F1	98
F2	99
F3	100
F4	101
F5	102
F6	103
F7	104
F8	105
F9	106
F10	107
F11	108
F12	109
F13	110
F14	111
F15	112
NumLock	113
CapsLock	114
ScrollLock	115
Right Shift	116
Left Shift	117
Right Ctrl	118
Left Ctrl	119
Right Alt	120
Left Alt	121
Left Win	124
Right Win	125
Help	127
Print	128

XBox Gamepad Element Identifiers

Button	Element Identifier
Left Stick X	0
Left Stick Y	1
Right Stick X	2
Right Stick Y	3
Left Trigger	4
Right Trigger	5
A	6
B	7
X	8
Y	9
Left Shoulder	10
Right Shoulder	11
Back	12
Start	13
Left Stick Button	14
Right Stick Button	15
D-Pad Up	16
D-Pad Right	17
D-Pad Down	18
D-Pad Left	19
Left Stick	20
Right Stick	21
Guide	22

Mouse Element Identifiers

Button	Element Identifier
Mouse Horizontal	0
Mouse Vertical	1
Mouse Wheel	2
Left Mouse Button	3
Right Mouse Button	4
Middle Mouse Button	5
Mouse 4	6
Mouse 5	7
Mouse 6	8
Mouse 7	9
Mouse Wheel Horizontal	10

Action Element Map

Example element

<ActionElementMap>
    <actionCategoryId>0</actionCategoryId>
    <actionId>5</actionId>
    <elementType>1</elementType>
    <elementIdentifierId>13</elementIdentifierId>
    <axisRange>0</axisRange>
    <invert>false</invert>
    <axisContribution>0</axisContribution>
    <keyboardKeyCode>0</keyboardKeyCode>
    <modifierKey1>0</modifierKey1>
    <modifierKey2>0</modifierKey2>
    <modifierKey3>0</modifierKey3>
    <enabled>true</enabled>
</ActionElementMap>

Single key or axis mapping.

Name	Value	Description
actionCategoryId	0	?, not used
actionId	int	Action ID
elementType	0-1	0 for axis, 1 for button
elementIdentifierId	int	Button code
axisRange	0	Sometimes different than 0, but appears unused
invert	false	Invert (for axis)
axisContribution	0	Sometimes different than 0, but appears unused
keyboardKeyCode	0	Appears unused
modifierKey1	0-3	0 - no modifier, 1 - Ctrl, 2 - Alt, 3 - Shift
modifierKey2	0-3	Same, second modifier
modifierKey3	0-3	Same, third modifier (Something like Ctrl+Alt+Shift+Z is possible)
enabled	true	Control enabled

Action IDs

In-game actions and their IDs.

Action	ID
Side Movement	0
Forward Movement	1
Camera: Horizontal	30
Camera: Vertical	31
Camera: Zoom	54
Jump	15
Attack	16
Elemental Skill	17
Elemental Burst	20
Sprint	21
Aim Mode	27
Aim Button	28
Cancel Climb	53
Walk / Run	55
Show Cursor	56
Elemental Sight	57
Navigation	80
Gadget	87
Interaction (some modes)	88
Map	2
Character List	3
Inventory	4
Menu (Gamepad)	5
Quest List	6
Use / Talk	22
Quick Wheel	33
Chat	75
Notification Details	76
Environment Info	77
Tutorial	81
Abandon Challenge	84
Party Setup	99
Friends	132
Photo: Hide UI	86
Item Info	19
Top Menu: Left	34
Top Menu: Right	35
Menu Select	40
Auxiliary Action	41
Secondary Action	63
Menu / Back	42
Less	51
More	52
Lock Item / Mark Map	67
D-Pad Up	43
D-Pad Right	44
D-Pad Down	45
D-Pad Left	46
Adventurer Handbook	10
Co-Op	65
Wish	73
Events	82
Battle Pass	83
Pot Tasks	129
Pot Edit	130
Char 1	7
Char 2	8
Chat 3	9
Char 4	66
Char 5	78

Elemental Burst on switch is a combination of Show cursor and Char X. There is no direct mapping for it.

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