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

internal/gameserver/eidolon_resources.go

@@ -84,16 +84,19 @@ func eidolonMaterials(player *common.FreesrData) ([]*goproto.Material, error) {
 	}
 	counts := map[uint32]uint32{}
 	for id, rules := range resources.Avatars {
-		avatar := player.Avatars[id]
-		if avatar == nil {
-			continue
+		// Rank-up materials belong to the catalog, not to the currently owned
+		// avatar list. Include every configured avatar so the player can obtain
+		// its Eidolon materials before unlocking that character.
+		var currentRank uint32
+		if avatar := player.Avatars[id]; avatar != nil {
+			currentRank = avatar.Data.Rank
 		}
 		for _, rank := range rules.Ranks {
 			for _, cost := range rank.Cost {
 				if _, present := counts[cost.ItemID]; !present {
 					counts[cost.ItemID] = 0
 				}
-				if rank.Rank > avatar.Data.Rank {
+				if rank.Rank > currentRank {
 					counts[cost.ItemID] += cost.ItemNum
 				}
 			}
@@ -109,6 +112,13 @@ func eidolonMaterials(player *common.FreesrData) ([]*goproto.Material, error) {
 			counts[grant.ItemID] = grant.Count
 		}
 	}
+	// Explicit inventory quantities are separate from progression. Preserve
+	// retained stones (and explicit zero) through rank/EX notifications too.
+	for id, count := range player.Materials {
+		if _, known := counts[id]; known {
+			counts[id] = count
+		}
+	}
 	ids := make([]uint32, 0, len(counts))
 	for id := range counts {
 		ids = append(ids, id)