109 lines
2.3 KiB
Go
109 lines
2.3 KiB
Go
package d2tbl
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import (
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"log"
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"strconv"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2datautils"
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)
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type textDictionaryHashEntry struct {
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IsActive bool
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Index uint16
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HashValue uint32
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IndexString uint32
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NameString uint32
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NameLength uint16
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}
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var lookupTable map[string]string //nolint:gochecknoglobals // currently global by design
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const (
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crcByteCount = 2
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)
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// TranslateString returns the translation of the given string
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func TranslateString(key string) string {
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result, ok := lookupTable[key]
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if !ok {
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// Fix to allow v.setDescLabels("#123") to be bypassed for a patch in issue #360. Reenable later.
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// log.Panicf("Could not find a string for the key '%s'", key)
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return key
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}
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return result
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}
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// LoadTextDictionary loads the text dictionary from the given data
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func LoadTextDictionary(dictionaryData []byte) {
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if lookupTable == nil {
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lookupTable = make(map[string]string)
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}
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br := d2datautils.CreateStreamReader(dictionaryData)
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// skip past the CRC
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br.ReadBytes(crcByteCount)
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numberOfElements := br.GetUInt16()
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hashTableSize := br.GetUInt32()
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// Version (always 0)
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if _, err := br.ReadByte(); err != nil {
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log.Fatal("Error reading Version record")
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}
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br.GetUInt32() // StringOffset
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br.GetUInt32() // When the number of times you have missed a match with a hash key equals this value, you give up because it is not there.
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br.GetUInt32() // FileSize
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elementIndex := make([]uint16, numberOfElements)
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for i := 0; i < int(numberOfElements); i++ {
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elementIndex[i] = br.GetUInt16()
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}
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hashEntries := make([]textDictionaryHashEntry, hashTableSize)
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for i := 0; i < int(hashTableSize); i++ {
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hashEntries[i] = textDictionaryHashEntry{
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br.GetByte() == 1,
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br.GetUInt16(),
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br.GetUInt32(),
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br.GetUInt32(),
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br.GetUInt32(),
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br.GetUInt16(),
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}
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}
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for idx, hashEntry := range hashEntries {
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if !hashEntry.IsActive {
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continue
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}
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br.SetPosition(uint64(hashEntry.NameString))
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nameVal := br.ReadBytes(int(hashEntry.NameLength - 1))
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value := string(nameVal)
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br.SetPosition(uint64(hashEntry.IndexString))
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key := ""
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for {
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b := br.GetByte()
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if b == 0 {
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break
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}
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key += string(b)
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}
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if key == "x" || key == "X" {
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key = "#" + strconv.Itoa(idx)
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}
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_, exists := lookupTable[key]
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if !exists {
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lookupTable[key] = value
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}
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}
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}
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