Update GaCy-GO

internal/common/currency_wars_reference_nodes.go

@@ -0,0 +1,76 @@
+package common
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+)
+
+// CurrencyWarsReferenceNodeTemplate is the normalized grid_fight_node_template
+// row from the reference dump. It is configuration, never a copied run/save.
+type CurrencyWarsReferenceNodeTemplate struct {
+	NodeTemplateID     uint32
+	StageID            uint32
+	NodeType           string
+	ParamList          []uint32
+	PenaltyBonusRuleID uint32
+	BasicGoldRewardNum uint32
+	IsAugment          uint32
+}
+
+type CurrencyWarsReferenceNodes struct {
+	Format     uint32 `json:"format_version"`
+	Client     string `json:"target_client_version"`
+	Assembly   string `json:"target_assembly_sha256"`
+	Provenance struct {
+		Reference string `json:"reference_executable_sha256"`
+		Excel     string `json:"excel_dump_sha256"`
+		Table     string `json:"source_table"`
+	} `json:"provenance"`
+	Templates []CurrencyWarsReferenceNodeTemplate `json:"templates"`
+	byID      map[uint32]CurrencyWarsReferenceNodeTemplate
+}
+
+func LoadCurrencyWarsReferenceNodes(c *CurrencyWarsCatalog) (*CurrencyWarsReferenceNodes, error) {
+	if c == nil {
+		return nil, fmt.Errorf("CW reference nodes catalog missing")
+	}
+	raw, err := ReadResourceFile("resources/CurrencyWarsReferenceNodes.json")
+	if err != nil {
+		return nil, err
+	}
+	v := new(CurrencyWarsReferenceNodes)
+	if err = json.Unmarshal(raw, v); err != nil {
+		return nil, err
+	}
+	if v.Format != 1 || v.Client != c.ClientVersion || v.Assembly != c.Provenance.GameAssemblySHA256 || v.Provenance.Table != "grid_fight_node_template" {
+		return nil, fmt.Errorf("CW reference node revision differs")
+	}
+	for _, s := range []string{v.Provenance.Reference, v.Provenance.Excel} {
+		b, e := hex.DecodeString(s)
+		if e != nil || len(b) != sha256.Size {
+			return nil, fmt.Errorf("CW reference node provenance missing")
+		}
+	}
+	v.byID = make(map[uint32]CurrencyWarsReferenceNodeTemplate, len(v.Templates))
+	for _, r := range v.Templates {
+		if r.NodeTemplateID == 0 || r.StageID == 0 || r.NodeType == "" {
+			return nil, fmt.Errorf("CW invalid reference node template")
+		}
+		if _, ok := v.byID[r.NodeTemplateID]; ok {
+			return nil, fmt.Errorf("CW duplicate reference node template %d", r.NodeTemplateID)
+		}
+		v.byID[r.NodeTemplateID] = r
+	}
+	return v, nil
+}
+
+func (v *CurrencyWarsReferenceNodes) Template(id uint32) (CurrencyWarsReferenceNodeTemplate, error) {
+	r, ok := v.byID[id]
+	if !ok {
+		return r, fmt.Errorf("CW reference node template %d missing", id)
+	}
+	r.ParamList = append([]uint32(nil), r.ParamList...)
+	return r, nil
+}