pre cw with probe and a bunch script to read game behavior

internal/common/eidolon_items.go

@@ -0,0 +1,62 @@
+package common
+
+import (
+	"encoding/json"
+	"fmt"
+	"sort"
+)
+
+// EidolonMaterialIDs includes the separate rank-item catalog, which is not
+// part of InventoryItemConfig's general Material/Usable/Mission table.
+func EidolonMaterialIDs() ([]uint32, error) {
+	raw, err := ReadResourceFile("resources/EidolonConfig.json", "EidolonConfig.json")
+	if err != nil {
+		return nil, err
+	}
+	var resource struct {
+		Avatars map[uint32]struct {
+			Ranks []struct {
+				Cost []struct{ ItemID, ItemNum uint32 } `json:"cost"`
+			} `json:"ranks"`
+		} `json:"avatars"`
+		ExMaterials map[uint32]struct {
+			ItemID uint32 `json:"item_id"`
+			Count  uint32 `json:"count"`
+		} `json:"ex_materials"`
+	}
+	if err := json.Unmarshal(raw, &resource); err != nil {
+		return nil, err
+	}
+	if len(resource.Avatars) == 0 {
+		return nil, fmt.Errorf("Eidolon item catalog is empty")
+	}
+	ids := map[uint32]bool{}
+	for avatarID, avatar := range resource.Avatars {
+		if avatarID == 0 || len(avatar.Ranks) == 0 {
+			return nil, fmt.Errorf("invalid Eidolon avatar %d", avatarID)
+		}
+		for _, rank := range avatar.Ranks {
+			if len(rank.Cost) == 0 {
+				return nil, fmt.Errorf("missing Eidolon cost for %d", avatarID)
+			}
+			for _, cost := range rank.Cost {
+				if cost.ItemID == 0 || cost.ItemNum == 0 {
+					return nil, fmt.Errorf("invalid Eidolon cost for %d", avatarID)
+				}
+				ids[cost.ItemID] = true
+			}
+		}
+	}
+	for avatarID, grant := range resource.ExMaterials {
+		if AvatarExRankMap[avatarID] == 0 || grant.ItemID == 0 || grant.Count == 0 {
+			return nil, fmt.Errorf("invalid EX item for %d", avatarID)
+		}
+		ids[grant.ItemID] = true
+	}
+	out := make([]uint32, 0, len(ids))
+	for id := range ids {
+		out = append(out, id)
+	}
+	sort.Slice(out, func(i, j int) bool { return out[i] < out[j] })
+	return out, nil
+}