master-server replay + trampler RE: protocol, hashes, footprints, map renderer
- master_scrape.py: live master-server (ger.hologryph.com) ClientMessage replay over the two-socket /login + /connect handshake (PlayFab ticket auth). Pulled compartment defs, shop prices, research tree, storage, characters, expedition -> extracted/master_*.json - PlayFab confirmed auth-only for this title (Economy disabled); docs corrected - trampler_hashes.py: blueprint hash algo MD5(UTF8(compact-JSON)); CompartmentsHash(#1) and ConnectionsHash(#3) verified & generatable from scratch - walkerdto_to_blueprint.py: WalkerDto(expedition) -> WalkerBlueprintDto, enum int<->name, verified by storage->WS->storage round-trip - render_trampler.py: per-floor map from CompartmentsDatabase cell footprints (rotation solved via overlap check) + doors/hatches from Connections + turret arcs + cargo C1-C8 in game order - docs/MASTER_SERVER.md, docs/TRAMPLER.md; ghidra address-offset bug fixed (no -0x1000)
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DownloadPizza
138
reverse/walkerdto_to_blueprint.py
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138
reverse/walkerdto_to_blueprint.py
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#!/usr/bin/env python3
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"""Convert a master-server WalkerDto (e.g. ExpeditionDto.Trampler, from GetExpedition /
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GetExpeditionWalker) into a loadable WalkerBlueprintDto, recomputing the 3 top-level hashes.
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WHY a transform is needed: the WS channel serializes enums as INTEGERS and omits null EpbId on
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connections; the blueprint/hash ("storage") form uses enum NAME strings and includes EpbId:null.
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ObjectToByteArray hashes the storage form (verified in trampler_hashes.py). So WS-form -> storage-form
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before hashing.
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Enum maps (from il2cpp/dump.cs):
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ConnectionSlotType: DOOR=0 HATCH=1 STRUCTURE=2 BALCONY=3 DECK=4
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ConnectionState : DEFAULT=0 DOOR=1 OPEN=2 (MasterserverDtos.ConnectionState, 35406)
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ConnectionsCount : FULL=0 PARTIAL=1 ERROR=2
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Self-verifies offline via round-trip on the known sample (storage->WS->storage is identity and
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reproduces the stored CompartmentsHash/ConnectionsHash).
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"""
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import json, os, sys
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from trampler_hashes import compartments_hash, connections_hash, definitions_hash
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SLOT = ["DOOR", "HATCH", "STRUCTURE", "BALCONY", "DECK"] # ConnectionSlotType
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STATE = ["DEFAULT", "DOOR", "OPEN"] # ConnectionState
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COUNT = ["FULL", "PARTIAL", "ERROR"] # ConnectionsCount
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SLOT_I = {n: i for i, n in enumerate(SLOT)}
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STATE_I = {n: i for i, n in enumerate(STATE)}
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COUNT_I = {n: i for i, n in enumerate(COUNT)}
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def _od(*pairs):
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"""build a dict in explicit (declaration) order."""
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d = {}
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for k, v in pairs:
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d[k] = v
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return d
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def _decor_i2s(decor):
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"""DecorationsInfo: socket enums int->name (storage form)."""
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if decor is None:
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return None
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socks = []
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for s in decor.get("Sockets", []):
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vals = []
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for kv in s.get("Value", []):
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v = kv.get("Value") or {}
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vals.append(_od(("Key", SLOT[kv["Key"]]),
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("Value", _od(("state", STATE[v["state"]]), ("count", COUNT[v["count"]])))))
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socks.append(_od(("Key", s["Key"]), ("Value", vals)))
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return _od(("Sockets", socks))
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def _decor_s2i(decor):
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"""inverse, for round-trip self-test only."""
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if decor is None:
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return None
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socks = []
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for s in decor.get("Sockets", []):
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vals = []
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for kv in s.get("Value", []):
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v = kv.get("Value") or {}
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vals.append(_od(("Key", SLOT_I[kv["Key"]]),
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("Value", _od(("state", STATE_I[v["state"]]), ("count", COUNT_I[v["count"]])))))
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socks.append(_od(("Key", s["Key"]), ("Value", vals)))
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return _od(("Sockets", socks))
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def comp_i2s(bp):
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"""one CompartmentBlueprintDto WS->storage (CompartmentBlueprintDto field order)."""
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return _od(("Id", bp["Id"]), ("EpbId", bp.get("EpbId")), ("CellCoordinate", bp["CellCoordinate"]),
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("DecorationsInfo", _decor_i2s(bp.get("DecorationsInfo"))), ("Rotation", bp["Rotation"]),
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("CompartmentHash", bp.get("CompartmentHash")), ("DefinitionHash", bp.get("DefinitionHash")))
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def comp_s2i(bp):
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return _od(("Id", bp["Id"]), ("EpbId", bp.get("EpbId")), ("CellCoordinate", bp["CellCoordinate"]),
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("DecorationsInfo", _decor_s2i(bp.get("DecorationsInfo"))), ("Rotation", bp["Rotation"]),
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("CompartmentHash", bp.get("CompartmentHash")), ("DefinitionHash", bp.get("DefinitionHash")))
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def conn_i2s(bp):
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"""one ConnectionBlueprintDto WS->storage: add EpbId:null, enums int->name (declaration order)."""
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return _od(("Id", bp["Id"]), ("EpbId", bp.get("EpbId")), ("ActualDirection", bp["ActualDirection"]),
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("GridCoordinate", bp["GridCoordinate"]), ("SlotType", SLOT[bp["SlotType"]]),
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("State", STATE[bp["State"]]))
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def conn_s2i(c):
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"""inverse: drop EpbId, enums name->int (round-trip self-test only)."""
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return _od(("Id", c["Id"]), ("ActualDirection", c["ActualDirection"]),
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("GridCoordinate", c["GridCoordinate"]), ("SlotType", SLOT_I[c["SlotType"]]),
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("State", STATE_I[c["State"]]))
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def walkerdto_to_blueprint(walker, definitions=None, version=1):
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"""ExpeditionDto.Trampler / WalkerDto -> WalkerBlueprintDto with recomputed hashes."""
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chassis = comp_i2s(walker["Chassis"]["Blueprint"])
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comps = [comp_i2s(c["Blueprint"]) for c in walker["Compartments"]]
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conns = [conn_i2s(c["Blueprint"]) for c in walker["Connections"]]
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bp = _od(("Id", walker.get("BlueprintId")), ("UniqueId", walker.get("BlueprintUniqueId")),
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("Version", version), ("Chassis", chassis), ("Compartments", comps), ("Connections", conns),
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("CompartmentsHash", compartments_hash(comps)), ("DefinitionsHash", ""),
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("ConnectionsHash", connections_hash(conns)))
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if definitions is not None:
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bp["DefinitionsHash"] = definitions_hash(definitions)
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return bp
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def _verify_roundtrip():
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"""storage -> WS -> storage must be identity (and reproduce stored hashes) on the sample."""
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p = os.path.join(os.path.dirname(__file__), "..", "extracted", "playfab_titledata_TramplerBlueprint3.json")
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s = json.load(open(p))
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comps_ws = [comp_s2i(c) for c in s["Compartments"]]
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conns_ws = [conn_s2i(c) for c in s["Connections"]]
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comps_back = [comp_i2s(c) for c in comps_ws]
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conns_back = [conn_i2s(c) for c in conns_ws]
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cj = lambda o: json.dumps(o, separators=(",", ":"))
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assert cj(comps_back) == cj(s["Compartments"]), "compartment round-trip not identity"
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assert cj(conns_back) == cj(s["Connections"]), "connection round-trip not identity"
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assert compartments_hash(comps_back) == s["CompartmentsHash"], "CompartmentsHash mismatch"
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assert connections_hash(conns_back) == s["ConnectionsHash"], "ConnectionsHash mismatch"
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print("round-trip OK: storage->WS->storage is byte-identical; #1 & #3 hashes reproduce.")
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if __name__ == "__main__":
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_verify_roundtrip()
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exp = os.path.join(os.path.dirname(__file__), "..", "extracted", "master_GetExpedition.json")
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if os.path.exists(exp):
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tr = json.load(open(exp)).get("Trampler")
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if tr:
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bp = walkerdto_to_blueprint(tr)
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out = os.path.join(os.path.dirname(__file__), "..", "extracted", "host_trampler_blueprint.json")
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json.dump(bp, open(out, "w"), indent=1, ensure_ascii=False)
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print("converted host trampler -> %s" % out)
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print(" chassis=%s comps=%d conns=%d" % (bp["Chassis"]["EpbId"], len(bp["Compartments"]), len(bp["Connections"])))
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print(" CompartmentsHash=%s" % bp["CompartmentsHash"])
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print(" ConnectionsHash =%s" % bp["ConnectionsHash"])
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print(" DefinitionsHash =%s (provisional - needs live verify)" % (bp["DefinitionsHash"] or "<empty>"))
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