docs & feat: add license & attribution notice (Apache-2.0 / GPL-3.0) and core system enhancements

internal/gameserver/handlers_gacha.go

@@ -11,15 +11,30 @@ import (
 
 func init() {
 	handle("GetGachaInfo", func(s *Session, req *pb.GetGachaInfoCsReq, rsp *pb.GetGachaInfoScRsp) error {
-		banners, _, err := common.LoadBrowsableGachaBanners()
+		player := s.JSON()
+		mode := 0
+		if player != nil {
+			mode = player.WarpUnlockMode
+		}
+
+		// Read API changes on reopening Warp without requiring a full login.
+		savedMode, err := common.ReadWarpUnlockMode()
+		if err != nil {
+			return err
+		}
+		if savedMode != nil {
+			mode = *savedMode
+		}
+		banners, err := common.LoadVisibleGachaBanners(mode)
 		if err != nil {
 			return err
 		}
 		if len(banners) == 0 {
 			rsp.Retcode = uint32(pb.Retcode_RET_GACHA_NOT_SUPPORT)
-			PacketLog("GACHA entry rejected: no verified installed banner assets")
+			PacketLog("GACHA entry rejected: no visible banners configured")
 			return nil
 		}
+
 		config, err := common.LoadRuntimeConfig()
 		if err != nil {
 			return err
@@ -32,73 +47,42 @@ func init() {
 			}
 			rsp.GachaInfoList = append(rsp.GachaInfoList, info)
 		}
-		// Synthetic IDs are not native Client config rows. The presentation
-		// adapter registers its own pools; sending these IDs in GetGachaInfo has
-		// caused Client response handlers to throw. Keep the preview opt-in.
-		mapped, _, err := common.LoadLimitedGachaBanners()
+
+		randVal, err := rand.Int(rand.Reader, big.NewInt(1000))
 		if err != nil {
 			return err
 		}
-		_, _, policy, err := common.LoadSandboxDrawPool()
-		if err != nil {
-			return err
-		}
-		count := policy.MappedBannerPreviewCount
-		if count > uint32(len(mapped)) {
-			count = uint32(len(mapped))
-		}
-		for i := uint32(0); i < count; i++ {
-			banner := mapped[i]
-			info := &pb.GachaInfo{GachaId: banner.GachaID, BeginTime: *config.ActivitySchedule.BeginTime, EndTime: *config.ActivitySchedule.EndTime, GachaCeiling: &pb.GachaCeiling{}}
-			info.PrizeItemList = []uint32{banner.AvatarID}
-			info.ItemDetailList = append([]uint32{banner.AvatarID}, banner.FourStarIDs...)
-			rsp.GachaInfoList = append(rsp.GachaInfoList, info)
-		}
-		PacketLog(fmt.Sprintf("GACHA_INFO banners=%d mapped_preview=%d", len(banners), count))
+		rsp.GachaRandom = 1000 + uint32(randVal.Int64())
+		rsp.Retcode = 0
+		PacketLog(fmt.Sprintf("GACHA_INFO count=%d mode=%d", len(rsp.GachaInfoList), mode))
 		return nil
 	})
+
 	handle("DoGacha", func(s *Session, req *pb.DoGachaCsReq, rsp *pb.DoGachaScRsp) error {
 		rsp.GachaId = req.GachaId
+		rsp.GachaNum = req.GachaNum
 		rsp.Retcode = uint32(pb.Retcode_RET_GACHA_ID_NOT_EXIST)
-		banners, _, err := common.LoadFeaturedGachaBanners()
-		if err != nil {
-			return err
-		}
-		var avatarID uint32
-		for _, row := range banners {
-			if row.ID == req.GachaId {
-				avatarID = row.AvatarID
-				break
-			}
-		}
-		if avatarID == 0 {
-			mapped, _, err := common.LoadLimitedGachaBanners()
-			if err != nil {
-				return err
-			}
-			for _, row := range mapped {
-				if row.GachaID == req.GachaId {
-					return drawLimitedAvatar(s, req, rsp, row)
-				}
-			}
-		}
-		if avatarID != 0 {
-			return drawFeaturedAvatar(s, req, rsp, avatarID)
-		}
-		// Featured-only path found nothing. Verified browsable banners may
-		// still draw from the policy-declared sandbox pool: every pick is a
-		// duplicate grant on an avatar from the live imported roster, so no
-		// invented IDs or first-acquisition synthesis are involved.
-		sandboxDrawn, err := drawSandboxPool(s, req, rsp)
-		if err != nil {
-			return err
-		}
-		if sandboxDrawn {
+
+		if _, active := CURRENT_BATTLE.Load(s.Token); active {
+			rsp.Retcode = uint32(pb.Retcode_RET_GACHA_NOT_SUPPORT)
 			return nil
 		}
+
+		if req.GachaNum != 1 && req.GachaNum != 10 {
+			rsp.Retcode = uint32(pb.Retcode_RET_GACHA_NUM_INVALID)
+			return nil
+		}
+
+		player := s.JSON()
+		if player == nil {
+			return nil
+		}
+		// The imported banner lists target another Client. Reject draws until
+		// their pools, grants and protocol fields are verified for this Client.
 		rsp.Retcode = uint32(pb.Retcode_RET_GACHA_NOT_SUPPORT)
 		return nil
 	})
+
 }
 
 // drawFeaturedAvatar grants req.GachaNum copies of one featured avatar using