76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
package gameserver
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import (
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"encoding/json"
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"fmt"
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"sort"
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"sync"
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"gac-hkrpg-go/internal/common"
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)
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// Tutorial IDs come from the installed Client resource tables, not a list
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// copied from an older server build. Restart after replacing these resources.
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var tutorialResourceCache struct {
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sync.Once
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tutorials []uint32
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guides []uint32
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err error
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}
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func getTutorialResourceIDs() ([]uint32, []uint32, error) {
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tutorialResourceCache.Do(func() {
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var tutorialFile struct {
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Entries []struct {
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ID uint32 `json:"TutorialID"`
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} `json:"tutorial_config"`
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}
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var guideFile struct {
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Entries []struct {
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ID uint32 `json:"GroupID"`
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} `json:"tutorial_guide_config"`
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}
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load := func(name string, dst any) error {
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path := "resources/" + name
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data, err := common.ReadResourceFile(path)
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if err != nil {
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return fmt.Errorf("tutorial resource %s: %w", path, err)
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}
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if err := json.Unmarshal(data, dst); err != nil {
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return fmt.Errorf("tutorial resource %s: %w", path, err)
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}
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return nil
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}
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if err := load("TutorialData.json", &tutorialFile); err != nil {
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tutorialResourceCache.err = err
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return
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}
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if err := load("TutorialGuideGroup.json", &guideFile); err != nil {
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tutorialResourceCache.err = err
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return
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}
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collect := func(ids []uint32) []uint32 {
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sort.Slice(ids, func(i, j int) bool { return ids[i] < ids[j] })
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out := ids[:0]
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for _, id := range ids {
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if id != 0 && (len(out) == 0 || id != out[len(out)-1]) {
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out = append(out, id)
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}
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}
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return out
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}
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for _, entry := range tutorialFile.Entries {
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tutorialResourceCache.tutorials = append(tutorialResourceCache.tutorials, entry.ID)
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}
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for _, entry := range guideFile.Entries {
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tutorialResourceCache.guides = append(tutorialResourceCache.guides, entry.ID)
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}
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tutorialResourceCache.tutorials = collect(tutorialResourceCache.tutorials)
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tutorialResourceCache.guides = collect(tutorialResourceCache.guides)
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if len(tutorialResourceCache.tutorials) == 0 || len(tutorialResourceCache.guides) == 0 {
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tutorialResourceCache.err = fmt.Errorf("tutorial resource tables contain no IDs")
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}
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})
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return tutorialResourceCache.tutorials, tutorialResourceCache.guides, tutorialResourceCache.err
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}
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