RPG_City_Maker_Reborn/settings.go

package main

import (
	"encoding/json"
	"os"
	"path/filepath"
)

type Settings struct {
	Detail        float64 `json:"detail"`
	Roughness     float64 `json:"roughness"`
	Width         int     `json:"width"`
	Height        int     `json:"height"`
	Lakes         int     `json:"lakes"`
	LakeSizeLower float64 `json:"lake_size_lower"`
	LakeSizeUpper float64 `json:"lake_size_upper"`
}

func (s *Settings) Save() error {
	configDir, err := os.UserConfigDir()
	if err != nil {
		return err
	}

	appConfigDir := filepath.Join(configDir, "rpgcitymakerreborn")
	if err := os.MkdirAll(appConfigDir, 0755); err != nil {
		return err
	}

	configFile := filepath.Join(appConfigDir, "settings.json")
	file, err := os.Create(configFile)
	if err != nil {
		return err
	}
	defer file.Close()

	encoder := json.NewEncoder(file)
	return encoder.Encode(s)
}

func LoadSettings() (*Settings, error) {
	configDir, err := os.UserConfigDir()
	if err != nil {
		return nil, err
	}

	configFile := filepath.Join(configDir, "rpgcitymakerreborn", "settings.json")
	file, err := os.Open(configFile)
	if err != nil {
		if os.IsNotExist(err) {
			return &Settings{Detail: 1, Roughness: 0, Width: 300, Height: 300, Lakes: 0, LakeSizeLower: 1, LakeSizeUpper: 5}, nil
		}
		return nil, err
	}
	defer file.Close()

	var settings Settings
	decoder := json.NewDecoder(file)
	if err := decoder.Decode(&settings); err != nil {
		return nil, err
	}
	return &settings, nil
}