The header format changed quite significantly in 4.8+. Here's what I have so far. Mostly found by comparing headers to the Sync Logs generated by HD Edition, which log game settings & more (SteamApps/common/Age2HD/Logs/%date%/SyncLog GameType etc.txt). Still lots of unknowns :'
struct aoe2recordHeader50 {
float thousandSomething; // I've seen 1000, 1004, 1005, not sure what for.
int thousand;
/* Relevant strings for this space, not sure how they work yet:
&mrefDlcOptions
&refGameDataSet
*/
longbool unknownBool;
int datasetsCount;
int datasets[datasetsCount]; // Not sure!
int difficulty;
int mapSize; // Probably?
int mapId;
int visibility; // REVEAL_NORMAL, REVEAL_EXPLORED, REVEAL_ALLVISIBLE
int victoryType;
int unknown; // starting resources?
int unknown; // strings suggest this may be starting age (1-based?)
int unknown; // strings suggest this may be ending age (1-based?)
int gameType; // RANDOM_MAP, DEATH_MATCH etc, i think.
int separator;
// Map name used to be here.
int separator;
float gameSpeed;
int treatyLength;
int popLimit;
int numPlayers;
/* Relevant strings:
unusedPlayerColor ← maybe this is 8 one-byte flags?
mVictory.getAmount() ← and this an int?
*/
byte unknowns[16];
int separator;
struct {
bool tradingEnabled;
bool teamBonusesDisabled;
bool randomizePositions;
bool fullTechTreeEnabled;
bool numberOfStartingUnits;
bool teamsLocked;
bool speedLocked;
bool isMultiPlayer;
bool cheatsEnabled;;
bool recordGameEnabled;
bool animalsEnabled;
bool predatorsEnabled;
} flags;
int separator;
int unknowns[2]; // playerScenarioPlayerIndecies
// oneBaseColorTableIndex
/* Possibly related strings:
scenarioPlayer
oldExtraScenarioPlayer
oneBasedColor
oldGaiaColor
*/
aoe2recordPlayer players[numPlayers];
// Bunch of unknown stuff
char unknowns[4]; // Looks like flags for something
/* last 3 are:
mFogOfWarEnabled
mCheatNotificationsEnabled
mColoredChatEnabled
*/
int separator;
bool isRanked;
bool allowSpectators;
int lobbyVisibility;
int customRandomMapFileCrc;
aoe2recordString unknown; // mCustomScenarioOrCampaignFile
int unknowns[2];
aoe2recordString unknown; // mCustomRandomMapFile
int unknowns[2];
aoe2recordString unknown; // mCustomRandomMapScenarioFile
int unknowns[2]; // poolIndex ?
GUID guid; // 16 bytes
aoe2recordString gameTitle;
aoe2recordString moddedDatasetTitle;
int unknowns[2]; // mModdedDatasetWorkshopId?
aoe2recordString unknown;
int unknown;
int unknowns[3];
};
struct aoe2recordPlayer {
short start; // 0xFF 0x01
int datCrc; // Hash of data f{iles
char mpVersion; // 54 for AK 4.8, 56 for RoR
int teamIndex; // _probably_. I've not tried a team game yet tbh
/* or:
*/
int civId;
aoe2recordString aiBaseName; // computerAiFileName
char aiCivNameIndex;
aoe2recordString unknown; // Might be the configured player name for scenarios? Just a guess
// or "aiPlayerName"
aoe2recordString playerName;
int unknown; // This might be a "Humanity" value (AI, Human, Spectator(?))
uint64_t steamId;
int playerIndex; // "worldPlayerArrayIndexIncludingGaia" internally
int unknown; // Seems to be constant 3 among all players so far...
int someIndex; // Maybe scenario player index? But not sure. Usually same as playerIndex.
// Should test with a coop game.
// May very well be "scenarioPlayerIndex"
};