Custom Car

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In the game you have the possibility to create your own vehicle livery for each vehicle. The body can still be modified externally or it can be completely replaced.
Server Administrator from Multiplayer Servers can assign vehicle liveries to drivers or teams via Server Configuration / entrylist.json.

InGame-Skin-Editor

select a Race Class & Team-Tile in Multiplayer or ...
select the "Open Series" in Single Player
click on "ADD" and choose one of the vehicle types

Individual Settings

Race Number
Team Name
Nationality
Banner & Sponsors
Livery-Template
Body and Tire colored pick

How can I modify my paintwork outside of the game?

a skin mod consists of the file in the cars folder and a folder with several different files in the liveries folder. Your find here Documents \ Assetto Corsa Competizione \ Customs

...Cars
- myTeam.json
...Liveries \ myTeamFolder \
- decals.png & sponsors.png
- decals.json & sponsors.json
- decals_0.dds & sponsors_0.dds ( this file generates the game when you view your project in the showroom )
- decals_1.dds & sponsors_1.dds ( this file generates the game when you look at your project on the track )
- optional: ReadMe.txt

edit .json-File in "Cars"-Folder

First you have the possibility to edit the generated .json file. Go to:

Documents \ Assetto Corsa Competizione \ Customs \ Cars
there you will find the one .json file named as follows: example: 42-201016-095902.json ( RaceNumber-YYMMDD-time )
the file name can be changed
open you .json File

Settings	Description	Value	Hints
carGuid
teamGuid
raceNumber	set a favored starting number, from 1 to 998 possible	1, 2, ..., 998	if a driver with this number is on the server, then you will get the next free number Admins have the possibility to assign certain start numbers via an access list
raceNumberPadding		1 = one- and two-digit bib numbers are preceded by a 0 0 = Start number is displayed as entered in "raceNumber"
auxLightKey	position of auxiliary LEDs	0 not LED 1 to 19	depending on the vehicle, also less depending on the vehicle in different places
auxLightColor	Color of auxiliary LED-Lights	see here ↓
skinTemplateKey	Choose a pattern for the selected vehicle model	see here ↓	Number 99 gives all-carbon look
skinColor1Id	select Base-Color for state coach ( Base Layer )	see here ↓
skinColor2Id	select Second-Color for state coach ( Accent )
skinColor3Id	select Third-Color for state coach ( Trim )
sponsorId	Prefabricated logos of the main sponsors
skinMaterialType1	surface finish for main-color ( Base Layer )	0 = Glossy 1 = Matte 2 = Satin 3 = Metallic-Satin 4 = Metallic 5 = Chrome 6 = Clear Chrome
skinMaterialType2	surface finish for secound-color ( Accent )		↓Sample image
skinMaterialType3	surface finish for secound third-color ( Trim )
rimColor1Id	Basic colour for the rims	see here ↓
rimColor2Id	second color for the rims ( ring )	see here ↓
rimMaterialType1	surface finish for the base-color of the rims ( Base )	1 = Glossy 2 = Matte 3 = Metallic-Satin 4 = Metallic 5 = Chrome
rimMaterialType2	surface finish for the secound-color of the rims ( Accent )
teamName	Enter the name of your team here		The name then appears in the team selection.
nationality		0 Other, 49 Andorra, 14 Argentina, 28 Armenia, 50 Azerbaijan, 41 Australia, 9 Austria, 79 Bahrain, 7 Belgium, 17 Brazil, 51 Bulgaria, 34 Canada, 82 Chile, 35 China, 81 Chinese Taipei, 47 Columbia, 33 Croatia, 52 Cuba, 53 Czech Republic, 32 Denmark, 86 England, 54 Estonia, 31 Finland, 3 France, 55 Georgia, 2 Germany, 5 Great Britain, 22 Greece, 46 Hong Kong, 6 Hungaria, 56 India, 38 Indonesia, 78 Iran, 16 Ireland, 57 Israel, 1 Italy, 58 Jamaica, 48 Japan, 45 Kuwait, 59 Latvia, 27 Lebanon, 60 Lithuania, 44 Luxembourg, 61 Macao, 84 Madagascar, 62 Malysia, 85 Malta, 29 Mexico, 15 Monaco, 63 Nepal, 12 Netherlands, 64 New Caledonia, 40 New Zealand, 65 Nigeria, 66 Northern Ireland, 24 Norway, 21 Oman, 67 Paua New Guinea, 68 Philippines, 13 Poland, 36 Portugal, 19 Puerto Rico, 69 Qatar, 70 Rumania, 10 Russia, 42 San Marino, 23 Saudi Arabia, 72 Scotland, 72 Serbia, 37 Singapore, 20 Slovakia, 73 Slovenia, 18 South Afrika, 26 South Korea, 4 Spain, 30 Sweden, 8 Switzerland, 74 Taiwan, 11 Thailand, 25 Turkey, 75 Ukraine, 43 United Arab Emirates, 83 Uruguay, 39 USA, 76 Venezuela, 77 Wales, 80 Zimbabwe
displayName
competitorName
competitorNationality
teamTemplateKey
carModelType	ID for the vehicle model	see here ↓
cupCategory	Driver drives in the Cup category	0 = All 1 = ProAm 2 = AM 3 = Silver 4 = National
licenseType
useEnduranceKit	choose:	0 = Normal Bodykit 1 = Endurance-Bodykit	BUG! Endurance-BodyKit is always on
customSkinName
bannerTemplateKey

decals.png & sponsors.png

Now you can look around for templates for the vehicles, I found the following:
- schwarzbierbude - SBB Templates: Downloads > ACC Car Templates
- https://www.racedepartment.com/downloads/acc-gt4-templates-part-1.34995/
- https://www.racedepartment.com/downloads/acc-gt4-templates-part-2-1-0.35014/
you use these to draw your design and export it to your folder as a PNG file format

decals.json & sponsors.json

The material properties can be changed using the files decals.json or sponsors.json

Here is a list of presets that you can use to get the same materials as in ACC in game livery editor.

Glossy:

   "baseRoughness": 0,
   "clearCoat": 1,
   "clearCoatRoughness": 0,
   "metallic": 0

Matte:

   "baseRoughness": 0.45,
   "clearCoat": 0.3,
   "clearCoatRoughness": 0.6,
   "metallic": 0

Satin:

   "baseRoughness": 0.45,
   "clearCoat": 0.1,
   "clearCoatRoughness": 0.3,
   "metallic": 0

Satin Metallic:

   "baseRoughness": 0.3,
   "clearCoat": 0.5,
   "clearCoatRoughness": 0.3,
   "metallic": 0.7

Metallic:

   "baseRoughness": 0,
   "clearCoat": 1,
   "clearCoatRoughness": 0,
   "metallic": 0.625

Chrome:

   "baseRoughness": 0,
   "clearCoat": 1,
   "clearCoatRoughness": 0,
   "metallic": 0.9

decals_0/ _1.dds & sponsors_0/ _1.dds

While working on your project, you should prevent the DDS files automatically generated by the game from being generated. Because with every change to the PNG file, the dds files must first be deleted in order to be able to see the changes in the game. In addition, the generation process takes several seconds, depending on the resolution of the PNG file. ( 2K fast / 4K over 1 second / 8K several seconds )

go to File menuSettings.json: Documents \ Assetto Corsa Competizione \ Config
search to ”texDDS”: 1,
change value 1 to 0 ( change only if ACC is not running )

Team editing in Game

you can get there on the following paths in the game:

Driver Profile / Costumize

If you want to edit outside of the game, go to:

C: \ Users \ ***username*** \ Documents \ Assetto Corsa Competizione \ Customs\Drivers
You can find the description here: Text-Editor: Team

your find .json-Files here: C:\Users\***username***\Documents\Assetto Corsa Competizione\Customs\Drivers

driver1.json, driver2.json, driver3.json

File Content	Settings	Description
{ "firstName": "First", "lastName": "Teammate", "shortName": "FTM", "nationality": 2, "driverCategory": 2, "helmetTemplateKey": 508, "helmetBaseColor": 531, "helmetDetailColor": 521, "helmetMaterialType": 1, "helmetGlassColor": 7, "helmetGlassMetallic": 0.0, "glovesTemplateKey": 12, "suitTemplateKey": 503, "suitDetailColor1": 350, "suitDetailColor2": 531, "playerID": "0", "aiSkill": 100, "aiAggro": 50, "aiRainSkill": 50, "aiConsistency": 50 }
	firstName
	lastName
	shortName
	nationality
	driverCategory
	helmetTemplateKey
	helmetBaseColor
	helmetDetailColor
	helmetMaterialType
	helmetGlassColor
	helmetGlassMetallic
	glovesTemplateKey
	suitTemplateKey
	suitDetailColor1
	suitDetailColor2
	playerID
	aiSkill
	aiAggro
	aiRainSkill
	aiConsistency

IDs Tables

Car	carModelType	skinTemplateKey	auxLightKey
Alpine A110 GT4	50	100, 101, 102, 103	1
Aston Martin Vantage V12 GT3	12	100, 101, 102	1 - 2
Aston Martin Vantage V8 2019	20	100, 101, 102, 103, 104, 105, 106	1 - 4
Aston Martin Vantage GT4	51	100, 101, 102, 103	1
Audi R8 GT3 2015	3	100, 101, 102, 103	1 - 9
Audi R8 LMS Evo 2019	19	100, 101, 102, 103, 104	1 - 10
Audi R8 LMS Evo2 2022	31
Audi R8 LMS GT4	52	100, 101, 102, 103, 104	1
Bentley Continental GT3 2015	11	100, 101, 102, 103, 104	1 - 3
Bentley Continental GT3 2018	8	100, 101, 102, 103, 104	1
BMW M2 Club Sport Racing	27
BMW M4 GT4	53	100, 101, 102, 103	1
BMW M4 GT3	30
BMW M6 GT3	7	100, 101, 102, 103, 104	1 - 3
Chevrolet Camaro GT4	55	100, 101, 102, 103	1 - 2
Emil Frey Jaguar G3	14	100	1
Ferrari 488 Challenger Evo	26
Ferrari 488 GT3	2	100, 101, 102, 103, 104	1 - 9
Ferrari 488 GT3 Evo	24	100, 101, 102, 103, 104	1 - 10
Ginetta G55 GT4	56	100, 101, 102, 103	1
Honda NSX GT3	17	100, 101, 102, 103, 104	1 - 6
Honda NSX Evo 2019	21	100, 101, 102	1 - 6
KTM X-Bow GT4	57	100, 101, 102, 103	1
Lamborghini Gallardo R-EX	13	100, 101, 102	no LEDs
Lamborghini Huracan GT3	4	100, 101, 102	1 - 9
Lamborghini Huracan Evo 2019	16	100, 101, 102, 103, 104	1 - 11
Lamborghini Huracan SuperTrofeo	18	100, 101, 102, 103, 104	1 - 6
Lamborghini Huracan SuperTrofeo Evo2	29
Lexus RC F GT3	15	100, 101	1 - 2
Maserati MC GT4	58	100, 101, 102, 103	1
McLaren 570S GT4	59	100	1
McLaren 650s GT3	5	100, 101	1 - 2
McLaren 720S GT3 Special	22	100	1
Mercedes AMG GT3	1	100, 101, 102, 103, 104	1 - 17
Mercedes AMG GT3 2020	25	100, 101, 102, 103, 104	4 - 19
Mercedes AMG GT4	60	100, 101, 102, 103, 104	1 - 3
Nissan GT-R Nismo GT3 2015	10	100, 101, 102, 103	1
Nissan GT-R Nismo GT3 2018	6	100, 101, 102, 103, 104	1 - 4
Porsche 718 Cayman GT4	61	100, 101, 102, 103	1
Porsche 991 GT3	0	100, 101, 102, 103, 104	1 - 3
Porsche 991 II GT3 Cup	9	100, 101, 102, 103, 104, 105, 106, 107, 108, 109	1
Porsche 991 II GT3 R 2019	23	100, 101, 102, 103, 104, 105	1 - 3
Porsche 992 GT3 Cup	28
?	54	?	?

Fanatec, Thrustmaster, Logitech, Nvidia, Sparco Gaming, rseat, AK Informatica, Assetto Corsa Competizione

"skinColor1Id": ; skinColor2Id": ; skinColor3Id": ; "rimColor1Id": ; "rimColor2Id": ; "skinMaterialType1": ; "skinMaterialType2": ; "skinMaterialType3": ; "rimMaterialType1": ; "rimMaterialType2": ; "auxLightColor": ;