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implement level table parsers for v2 and v3

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This commit is contained in:
Martin Michelsen
2023-12-27 18:03:52 -08:00
parent 764fbf8841
commit b49408a88b
3 changed files with 242 additions and 91 deletions
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src/LevelTable.hh
+96 -62
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@@ -9,13 +9,14 @@
class LevelTable;
struct CharacterStats {
le_uint16_t atp = 0;
le_uint16_t mst = 0;
le_uint16_t evp = 0;
le_uint16_t hp = 0;
le_uint16_t dfp = 0;
le_uint16_t ata = 0;
le_uint16_t lck = 0;
/* 00 */ le_uint16_t atp = 0;
/* 02 */ le_uint16_t mst = 0;
/* 04 */ le_uint16_t evp = 0;
/* 06 */ le_uint16_t hp = 0;
/* 08 */ le_uint16_t dfp = 0;
/* 0A */ le_uint16_t ata = 0;
/* 0C */ le_uint16_t lck = 0;
/* 0E */
} __attribute__((packed));
struct PlayerStats {
@@ -32,66 +33,99 @@ struct PlayerStats {
void advance_to_level(uint8_t char_class, uint32_t level, std::shared_ptr<const LevelTable> level_table);
} __attribute__((packed));
class LevelTable { // from PlyLevelTbl.prs
template <bool IsBigEndian>
struct LevelStatsDeltaBase {
using U32T = typename std::conditional<IsBigEndian, be_uint32_t, le_uint32_t>::type;
/* 00 */ uint8_t atp;
/* 01 */ uint8_t mst;
/* 02 */ uint8_t evp;
/* 03 */ uint8_t hp;
/* 04 */ uint8_t dfp;
/* 05 */ uint8_t ata;
/* 06 */ uint8_t lck;
/* 07 */ uint8_t tp;
/* 08 */ U32T experience;
/* 0C */
void apply(CharacterStats& ps) const {
ps.ata += this->ata;
ps.atp += this->atp;
ps.dfp += this->dfp;
ps.evp += this->evp;
ps.hp += this->hp;
ps.mst += this->mst;
ps.lck += this->lck;
}
} __attribute__((packed));
struct LevelStatsDelta : LevelStatsDeltaBase<false> {
} __attribute__((packed));
struct LevelStatsDeltaBE : LevelStatsDeltaBase<true> {
} __attribute__((packed));
class LevelTable {
// This is the base class for all the LevelTable implementations. The public
// interface here only defines functions that the server needs to handle
// requests, but some subclasses implement more functionality. See the
// comments and Offsets structures inside the subclasses' constructor
// implementations for more details on the file formats.
public:
struct LevelStats {
uint8_t atp;
uint8_t mst;
uint8_t evp;
uint8_t hp;
uint8_t dfp;
uint8_t ata;
uint8_t lck;
uint8_t tp;
le_uint32_t experience;
virtual ~LevelTable() = default;
virtual const CharacterStats& base_stats_for_class(uint8_t char_class) const = 0;
virtual const LevelStatsDelta& stats_delta_for_level(uint8_t char_class, uint8_t level) const = 0;
void apply(CharacterStats& ps) const;
protected:
LevelTable() = default;
};
class LevelTableV2 : public LevelTable { // from PlayerTable.prs (PC)
public:
struct Level100Entry {
/* 00 */ CharacterStats char_stats;
/* 0E */ le_uint16_t unknown_a1 = 0;
/* 10 */ le_float height = 0.0;
/* 14 */ le_float unknown_a3 = 0.0;
/* 18 */ le_uint32_t level = 0;
/* 1C */
} __attribute__((packed));
struct Table {
CharacterStats base_stats[12];
le_uint32_t unknown[12];
LevelStats levels[12][200];
} __attribute__((packed));
LevelTableV2(const std::string& data, bool compressed);
virtual ~LevelTableV2() = default;
LevelTable(std::shared_ptr<const std::string> data, bool compressed);
const CharacterStats& base_stats_for_class(uint8_t char_class) const;
const LevelStats& stats_delta_for_level(uint8_t char_class, uint8_t level) const;
virtual const CharacterStats& base_stats_for_class(uint8_t char_class) const;
const Level100Entry& level_100_stats_for_class(uint8_t char_class) const;
const PlayerStats& max_stats_for_class(uint8_t char_class) const;
virtual const LevelStatsDelta& stats_delta_for_level(uint8_t char_class, uint8_t level) const;
private:
// TODO: Currently we only support the BB version of this file. It'd be nice
// to support non-BB versions, but their formats are very different:
//
// BB:
// root:
// u32 offset:
// u32[12] unknown
// u32 offset:
// u32[12] offsets:
// LevelStats[200] level_stats
// u32 offset:
// CharacterStats[12] base_stats
// GC:
// root:
// u32 offset:
// u32[12] offsets:
// LevelStats[200] level_stats
// PC:
// root:
// u32 offset:
// u32 offset[9]:
// LevelStats[200] level_stats
// u32 offset:
// (0x18 bytes)
// u32 offset:
// PlayerStats[9] max_stats
// u32 offset:
// PlayerStats[9] level100_stats
// u32 offset:
// u32 offset[9]:
// CharacterStats level1_stats
// (11 more pointers)
std::shared_ptr<const std::string> data;
const Table* table;
std::array<CharacterStats, 9> base_stats;
std::array<Level100Entry, 9> level_100_stats;
std::array<PlayerStats, 9> max_stats;
std::array<std::array<LevelStatsDelta, 200>, 9> level_deltas;
};
class LevelTableV3BE : public LevelTable { // from PlyLevelTbl.cpt (GC)
public:
LevelTableV3BE(const std::string& data, bool encrypted);
virtual ~LevelTableV3BE() = default;
virtual const CharacterStats& base_stats_for_class(uint8_t char_class) const;
virtual const LevelStatsDelta& stats_delta_for_level(uint8_t char_class, uint8_t level) const;
private:
std::array<std::array<LevelStatsDelta, 200>, 12> level_deltas;
};
class LevelTableV4 : public LevelTable { // from PlyLevelTbl.prs (BB)
public:
LevelTableV4(const std::string& data, bool compressed);
virtual ~LevelTableV4() = default;
virtual const CharacterStats& base_stats_for_class(uint8_t char_class) const;
virtual const LevelStatsDelta& stats_delta_for_level(uint8_t char_class, uint8_t level) const;
private:
std::array<CharacterStats, 12> base_stats;
std::array<std::array<LevelStatsDelta, 200>, 12> level_deltas;
};