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launch.go
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launch.go
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package main
import "strings"
import "runtime"
import "encoding/json"
import "github.com/tidwall/gjson"
func GenLaunchCommand(Args []string, Name string, Id string, AssetId string, VersionType string, ProfilePath string) ([]string) {
gameargs := []string{}
for i := 0; i < len(Args); i++ {
if !strings.HasPrefix(Args[i], "$") {
gameargs = append(gameargs, Args[i])
}
if Args[i] == "${auth_player_name}" {
gameargs = append(gameargs, Name)
}
if Args[i] == "${version_name}" {
gameargs = append(gameargs, Id)
}
if Args[i] == "${game_directory}" {
gameargs = append(gameargs, ProfilePath)
}
if Args[i] == "${assets_root}" {
gameargs = append(gameargs, GetMcBoopDir() + "assets")
}
if Args[i] == "${game_assets}" {
gameargs = append(gameargs, GetMcBoopDir() + "default/resources")
}
if Args[i] == "${assets_index_name}" {
gameargs = append(gameargs, AssetId)
}
if Args[i] == "${auth_uuid}" {
user := GetAccount(Name)
gameargs = append(gameargs, user.UUID)
}
if Args[i] == "${auth_access_token}" {
user := GetAccount(Name)
gameargs = append(gameargs, user.AccessToken)
}
if Args[i] == "${auth_session}" {
user := GetAccount(Name)
gameargs = append(gameargs, "token:" + user.AccessToken + ":" + user.UUID)
}
if Args[i] == "${user_type}" || Args[i] == "${user_properties}" {
gameargs = append(gameargs, "{}")
}
if Args[i] == "${version_type}" {
gameargs = append(gameargs, VersionType)
}
}
return gameargs
}
func GenLaunchArgs(VersionMeta string, AccountName string, ProfilePath string, AssetIndex string) ([]string) {
game_args := []string{}
// See if it uses minecraftArguments or arguments.game
if gjson.Get(VersionMeta, "arguments.game").Exists() {
for i := 0; i < len(gjson.Get(VersionMeta, "arguments.game").Array()); i++ {
if !strings.HasPrefix(gjson.Get(VersionMeta, "arguments.game").Array()[i].String(), "{") {
game_args = append(game_args, gjson.Get(VersionMeta, "arguments.game").Array()[i].String())
}
}
}
if gjson.Get(VersionMeta, "minecraftArguments").Exists() {
game_args = append(game_args, strings.Split(gjson.Get(VersionMeta, "minecraftArguments").String(), " ")...)
}
return GenLaunchCommand(game_args, AccountName, gjson.Get(VersionMeta, "id").String(), AssetIndex, gjson.Get(VersionMeta, "type").String(),
ProfilePath)
}
func FillJVMArgs(Arg string, NativesFolder string) (string) {
ans := Arg
if strings.Contains(Arg, "${natives_directory}") {
ans = strings.ReplaceAll(Arg, "${natives_directory}", NativesFolder)
}
if strings.Contains(Arg, "${classpath}") {
ans = ""
}
if strings.Contains(Arg, "${launcher_name}") {
ans = strings.ReplaceAll(Arg, "${launcher_name}", "McBoop")
}
if strings.Contains(Arg, "${launcher_version}") {
ans = strings.ReplaceAll(Arg, "${launcher_version}", "rolling-release")
}
if strings.Contains(Arg, "${natives_directory}") {
ans = strings.ReplaceAll(Arg, "${natives_directory}", NativesFolder)
}
if strings.HasPrefix(Arg, "[") {
var arr []string
json.Unmarshal([]byte(Arg), &arr)
ans = strings.Join(arr, " ")
}
return ans
}
func GenJVMArgs(VersionMeta string, NativesFolder string) ([]string) {
jvm_args := []string{}
if gjson.Get(VersionMeta, "arguments.jvm").Exists() {
args_array := gjson.Get(VersionMeta, "arguments.jvm").Array()
for i := 0; i < len(args_array); i++ {
if args_array[i].Get("rules").Exists() {
// We have an OS based option!
if args_array[i].Get("rules").Array()[0].Get("os.name").Exists() {
if args_array[i].Get("rules").Array()[0].Get("os.name").String() == runtime.GOOS {
jvm_args = append(jvm_args, FillJVMArgs(args_array[i].Get("value").String(), NativesFolder))
}
} else if args_array[i].Get("rules").Array()[0].Get("os.arch").Exists() {
jvm_args = append(jvm_args, FillJVMArgs(args_array[i].Get("value").String(), NativesFolder))
}
} else {
// Generic option just fill it in and be done
arg := FillJVMArgs(args_array[i].String(), NativesFolder)
if arg != "" {
jvm_args = append(jvm_args, arg)
}
}
}
} else {
jvm_args = append(jvm_args, []string{"-Djava.library.path=" + NativesFolder, "-cp"}...)
}
return jvm_args
}