52 lines
1.8 KiB
Go
52 lines
1.8 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 CurrencyWarsReferencePenalty struct {
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ID, ThresholdPosition, ThresholdFailPlayerHPPenalty, ThresholdPassBasicPlayerHPPenalty, ProgressPenaltyCoefficient uint32
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}
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func LoadCurrencyWarsReferencePenalties(c *CurrencyWarsCatalog) (map[uint32]CurrencyWarsReferencePenalty, error) {
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b, err := ReadResourceFile("resources/CurrencyWarsReferencePenalties.json")
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if err != nil {
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return nil, err
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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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Reference string `json:"reference_executable_sha256"`
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Excel string `json:"excel_dump_sha256"`
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Table string `json:"source_table"`
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Rules []CurrencyWarsReferencePenalty `json:"penalty_rules"`
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}
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if err = json.Unmarshal(b, &r); err != nil {
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return nil, err
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}
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if c == nil || r.Format != 1 || r.Client != c.ClientVersion || r.Assembly != c.Provenance.GameAssemblySHA256 || r.Table != "grid_fight_penalty_rule" {
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return nil, fmt.Errorf("CW reference penalty compatibility differs")
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}
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for _, s := range []string{r.Reference, r.Excel} {
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h, e := hex.DecodeString(s)
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if e != nil || len(h) != sha256.Size {
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return nil, fmt.Errorf("CW reference penalty provenance missing")
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}
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}
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out := map[uint32]CurrencyWarsReferencePenalty{}
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for _, v := range r.Rules {
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if _, found := out[v.ID]; v.ID == 0 || found || v.ThresholdPosition > 100 {
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return nil, fmt.Errorf("CW reference penalty invalid")
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}
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out[v.ID] = v
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}
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if len(out) == 0 {
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return nil, fmt.Errorf("CW reference penalties empty")
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}
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return out, nil
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}
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