61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
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// Package campaign contains types and functions for the single player campaigns.
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package campaign
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import (
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"io/ioutil"
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"path/filepath"
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"runtime"
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"sort"
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"git.kirsle.net/apps/doodle/pkg/bindata"
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"git.kirsle.net/apps/doodle/pkg/filesystem"
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"git.kirsle.net/apps/doodle/pkg/userdir"
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)
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// List returns the list of available campaign JSONs.
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//
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// It searches in:
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// - The embedded bindata for built-in scenarios
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// - Scenarios on disk at the assets/campaigns folder.
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// - User-made scenarios at ~/doodle/campaigns.
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func List() ([]string, error) {
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var names []string
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// List built-in bindata campaigns.
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if files, err := bindata.AssetDir("assets/campaigns"); err == nil {
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names = append(names, files...)
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}
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// WASM: only built-in campaigns, no filesystem access.
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if runtime.GOOS == "js" {
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return names, nil
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}
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// Read system-level doodads first. Ignore errors, if the system path is
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// empty we still go on to read the user directory.
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files, _ := ioutil.ReadDir(filesystem.SystemCampaignsPath)
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for _, file := range files {
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name := file.Name()
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if filepath.Ext(name) == ".json" {
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names = append(names, name)
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}
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}
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// Append user campaigns.
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userFiles, err := userdir.ListCampaigns()
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names = append(names, userFiles...)
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// Deduplicate names.
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var uniq = map[string]interface{}{}
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var result []string
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for _, name := range names {
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if _, ok := uniq[name]; !ok {
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uniq[name] = nil
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result = append(result, name)
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}
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}
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sort.Strings(result)
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return result, err
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}
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