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feat: add player stats for raffle #173
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package chess | ||
|
|
||
| import ( | ||
| "std" | ||
|
|
||
| "gno.land/p/demo/avl" | ||
| "gno.land/p/demo/ufmt" | ||
| ) | ||
|
|
||
| var allPlayerStats avl.Tree // std.Address -> *playerStats | ||
|
|
||
| type playerStats struct { | ||
| Addr std.Address // Not stored when in avl.Tree, but lazily filled for public-facing helpers returning playerStats. | ||
| Moves uint | ||
| StartedGames uint | ||
| WonGames uint | ||
| LostGames uint | ||
| TimedoutGames uint | ||
| ResignedGames uint | ||
| DrawnGames uint | ||
| SeriousGames uint // finished, or resigned/drawn after 20 full moves (40 turns), used for the raffle. | ||
| // later we can add achievements: | ||
| // SuperFastAchievement // if a game is finished in less than N seconds. | ||
| // OnlyPawnsAchievement // winning with only pawns, etc. | ||
| } | ||
|
|
||
| func (s playerStats) String() string { | ||
| return ufmt.Sprintf( | ||
| "addr:%s moves:%d started:%d won:%d lost:%d timedout:%d resigned:%d drawn:%d serious:%d", | ||
| s.Addr, s.Moves, s.StartedGames, s.WonGames, s.LostGames, s.TimedoutGames, | ||
| s.ResignedGames, s.DrawnGames, s.SeriousGames, | ||
| ) | ||
| } | ||
|
|
||
| func getPlayerStats(addr std.Address) *playerStats { | ||
| addrStr := string(addr) | ||
| res, found := allPlayerStats.Get(addrStr) | ||
| if found { | ||
| return res.(*playerStats) | ||
| } | ||
|
|
||
| newStats := playerStats{} | ||
| allPlayerStats.Set(addrStr, &newStats) | ||
| return &newStats | ||
| } | ||
|
|
||
| func GetPlayerStats(addr std.Address) playerStats { | ||
| stats := getPlayerStats(addr) | ||
| cpy := *stats | ||
| cpy.Addr = addr | ||
| return cpy | ||
| } | ||
|
|
||
| func AllPlayerStats() []playerStats { | ||
| ret := []playerStats{} | ||
|
|
||
| allPlayerStats.Iterate("", "", func(addrString string, v interface{}) bool { | ||
| stats := *(v.(*playerStats)) | ||
| stats.Addr = std.Address(addrString) | ||
| ret = append(ret, stats) | ||
| return false | ||
| }) | ||
|
|
||
| return ret | ||
| } | ||
|
|
||
| type gameStats struct { | ||
| caller, opponent, white, black *playerStats | ||
| } | ||
|
|
||
| func (g Game) getStats(caller std.Address) gameStats { | ||
| stats := gameStats{ | ||
| white: getPlayerStats(g.White), | ||
| black: getPlayerStats(g.Black), | ||
| } | ||
|
|
||
| if caller != "" { // if caller is empty, we just fill "black" and "white". | ||
| if caller == g.White { | ||
| stats.caller = stats.white | ||
| stats.opponent = stats.black | ||
| } else { | ||
| stats.caller = stats.black | ||
| stats.opponent = stats.white | ||
| } | ||
| } | ||
|
|
||
| return stats | ||
| } | ||
|
|
||
| func (g Game) updateEndgameStats() { | ||
| stats := g.getStats("") | ||
|
|
||
| // serious games | ||
| isSerious := false | ||
| switch { | ||
| case g.State == GameStateCheckmated: // checkmates | ||
| isSerious = true | ||
| case len(g.Position.Moves) >= 40: // long games | ||
| isSerious = true | ||
| } | ||
| if isSerious { | ||
| stats.black.SeriousGames++ | ||
| stats.white.SeriousGames++ | ||
| } | ||
|
|
||
| // timeouts, aborted, etc | ||
| if g.State == GameStateTimeout || g.State == GameStateAborted { | ||
| stats.black.TimedoutGames++ | ||
| stats.white.TimedoutGames++ | ||
| } | ||
|
|
||
| // winners, losers, draws | ||
| switch g.Winner { | ||
| case WinnerWhite: | ||
| stats.white.WonGames++ | ||
| stats.black.LostGames++ | ||
| if g.State == GameStateResigned { | ||
| stats.black.ResignedGames++ | ||
| } | ||
| case WinnerBlack: | ||
| stats.black.WonGames++ | ||
| stats.white.LostGames++ | ||
| if g.State == GameStateResigned { | ||
| stats.white.ResignedGames++ | ||
| } | ||
| case WinnerDraw: | ||
| stats.black.DrawnGames++ | ||
| stats.white.DrawnGames++ | ||
| } | ||
| } | ||
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Why not
?
And so why doing that in the public function instead (line 50) ?
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to save on storage since the address is already known by the
avl.Tree; but I'm okay to move to your solution too. Feel free to patch my PR if you prefer 👍There was a problem hiding this comment.
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No that's fine, it's also good to save storage!