61 lines
2.0 KiB
Go
61 lines
2.0 KiB
Go
package common
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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)
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type CurrencyWarsTrialAvatar struct {
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SpecialAvatarID uint32
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AvatarID uint32
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WorldLevel uint32
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Level uint32
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Promotion uint32
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Rank uint32
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EnhancedID uint32
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ExRankIDList []uint32
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EquipmentID uint32
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EquipmentLevel uint32
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EquipmentPromotion uint32
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EquipmentRank uint32
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}
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func (c *CurrencyWarsCatalog) TrialAvatar(specialID, avatarID, worldLevel uint32) (CurrencyWarsTrialAvatar, error) {
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var result CurrencyWarsTrialAvatar
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raw, e := ReadResourceFile("resources/CurrencyWarsTrialAvatars.json")
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if e != nil {
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return result, e
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}
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var r struct {
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Format uint32 `json:"format_version"`
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Client string `json:"target_client_version"`
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Assembly string `json:"target_assembly_sha256"`
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Capture string `json:"source_capture_sha256"`
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Entries []CurrencyWarsTrialAvatar `json:"entries"`
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}
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if e = json.Unmarshal(raw, &r); e != nil {
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return result, e
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}
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digest, e := hex.DecodeString(r.Capture)
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if e != nil || len(digest) != sha256.Size || r.Format != 1 || r.Client != c.ClientVersion || r.Assembly != c.Provenance.GameAssemblySHA256 {
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return result, fmt.Errorf("CW trial capture revision differs")
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}
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seen := map[[2]uint32]bool{}
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for _, v := range r.Entries {
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key := [2]uint32{v.SpecialAvatarID, v.WorldLevel}
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if seen[key] || v.SpecialAvatarID == 0 || v.AvatarID == 0 || v.Level == 0 {
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return result, fmt.Errorf("CW trial configuration invalid")
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}
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seen[key] = true
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if v.SpecialAvatarID == specialID && v.AvatarID == avatarID && v.WorldLevel <= worldLevel && (result.SpecialAvatarID == 0 || v.WorldLevel > result.WorldLevel) {
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result = v
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}
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}
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if result.SpecialAvatarID == 0 {
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return result, fmt.Errorf("CW special avatar %d world level %d has not been captured", specialID, worldLevel)
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}
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return result, nil
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}
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