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pool.h
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pool.h
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#ifndef POOL_C_
#define POOL_C_
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <ctype.h>
#include <dirent.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <assert.h>
#include <inttypes.h>
#include <time.h>
#ifndef POOLDEF
#define POOLDEF static inline
#endif
// Public API
#define POOL_NUM_TEAMS 64
#define POOL_NUM_GAMES 63
#define POOL_TEAM_NAME_LIMIT 33
#define POOL_BRACKET_NAME_LIMIT 33
#define POOL_TEAM_SHORT_NAME_LIMIT 4
#define POOL_NAME_LIMIT 256
#define POOL_ROUNDS 6
#define POOL_MAX_PAYOUTS 4
typedef struct {
char name[POOL_TEAM_NAME_LIMIT];
char shortName[POOL_TEAM_SHORT_NAME_LIMIT];
uint8_t seed;
bool eliminated;
} PoolTeam;
static PoolTeam poolTeams[POOL_NUM_TEAMS] = {0};
static uint8_t poolSeeds[POOL_NUM_TEAMS] = {
1,16,8,9,5,12,4,13,6,11,3,14,7,10,2,15,
1,16,8,9,5,12,4,13,6,11,3,14,7,10,2,15,
1,16,8,9,5,12,4,13,6,11,3,14,7,10,2,15,
1,16,8,9,5,12,4,13,6,11,3,14,7,10,2,15
};
static uint8_t poolGamesInRound[POOL_ROUNDS] = {32, 48, 56, 60, 62, 63};
static uint8_t poolGamesRound[POOL_NUM_GAMES] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,
3,3,3,3,
4,4,
5
};
static uint8_t poolGameNumber[POOL_NUM_TEAMS][POOL_ROUNDS] = {
{0, 32, 48, 56, 60, 62},
{0, 32, 48, 56, 60, 62},
{1, 32, 48, 56, 60, 62},
{1, 32, 48, 56, 60, 62},
{2, 33, 48, 56, 60, 62},
{2, 33, 48, 56, 60, 62},
{3, 33, 48, 56, 60, 62},
{3, 33, 48, 56, 60, 62},
{4, 34, 49, 56, 60, 62},
{4, 34, 49, 56, 60, 62},
{5, 34, 49, 56, 60, 62},
{5, 34, 49, 56, 60, 62},
{6, 35, 49, 56, 60, 62},
{6, 35, 49, 56, 60, 62},
{7, 35, 49, 56, 60, 62},
{7, 35, 49, 56, 60, 62},
{8, 36, 50, 57, 60, 62},
{8, 36, 50, 57, 60, 62},
{9, 36, 50, 57, 60, 62},
{9, 36, 50, 57, 60, 62},
{10, 37, 50, 57, 60, 62},
{10, 37, 50, 57, 60, 62},
{11, 37, 50, 57, 60, 62},
{11, 37, 50, 57, 60, 62},
{12, 38, 51, 57, 60, 62},
{12, 38, 51, 57, 60, 62},
{13, 38, 51, 57, 60, 62},
{13, 38, 51, 57, 60, 62},
{14, 39, 51, 57, 60, 62},
{14, 39, 51, 57, 60, 62},
{15, 39, 51, 57, 60, 62},
{15, 39, 51, 57, 60, 62},
{16, 40, 52, 58, 61, 62},
{16, 40, 52, 58, 61, 62},
{17, 40, 52, 58, 61, 62},
{17, 40, 52, 58, 61, 62},
{18, 41, 52, 58, 61, 62},
{18, 41, 52, 58, 61, 62},
{19, 41, 52, 58, 61, 62},
{19, 41, 52, 58, 61, 62},
{20, 42, 53, 58, 61, 62},
{20, 42, 53, 58, 61, 62},
{21, 42, 53, 58, 61, 62},
{21, 42, 53, 58, 61, 62},
{22, 43, 53, 58, 61, 62},
{22, 43, 53, 58, 61, 62},
{23, 43, 53, 58, 61, 62},
{23, 43, 53, 58, 61, 62},
{24, 44, 54, 59, 61, 62},
{24, 44, 54, 59, 61, 62},
{25, 44, 54, 59, 61, 62},
{25, 44, 54, 59, 61, 62},
{26, 45, 54, 59, 61, 62},
{26, 45, 54, 59, 61, 62},
{27, 45, 54, 59, 61, 62},
{27, 45, 54, 59, 61, 62},
{28, 46, 55, 59, 61, 62},
{28, 46, 55, 59, 61, 62},
{29, 46, 55, 59, 61, 62},
{29, 46, 55, 59, 61, 62},
{30, 47, 55, 59, 61, 62},
{30, 47, 55, 59, 61, 62},
{31, 47, 55, 59, 61, 62},
{31, 47, 55, 59, 61, 62}
};
typedef struct {
uint8_t winners[POOL_NUM_TEAMS];
uint8_t tieBreak;
uint8_t tieBreakDiff;
char name[POOL_BRACKET_NAME_LIMIT];
uint32_t score;
uint32_t maxScore;
uint32_t roundScores[POOL_ROUNDS];
uint8_t wins;
} PoolBracket;
#define POOL_BRACKET_CAPACITY 1024
static uint32_t poolBracketsCount = 0;
static PoolBracket poolBrackets[POOL_BRACKET_CAPACITY] = {0};
static PoolBracket poolTournamentBracket = {
.winners = {0},
.tieBreak = 0,
.tieBreakDiff = 0,
.name = "Tourney",
.score = 0,
.maxScore = 0,
.roundScores = {0},
.wins = 0
};
typedef struct {
uint16_t maxRank;
uint16_t minRank;
uint32_t maxScore;
uint64_t champCounts[POOL_NUM_TEAMS];
uint64_t timesWon;
uint64_t timesTied;
uint32_t possibleScore;
PoolBracket *bracket;
} PoolStats;
typedef struct {
PoolStats *stats;
uint32_t possibleScore;
} PoolScoreStats;
typedef struct {
PoolBracket *bracket;
uint32_t possibleScore;
} PoolBracketScore;
#define POOL_CONFIG_FILE_NAME "config.txt"
#define POOL_TEAMS_FILE_NAME "teams.txt"
#define POOL_RESULTS_FILE_NAME "results.txt"
#define POOL_ENTRIES_DIR_NAME "entries"
typedef enum { PoolScorerBasic = 0, PoolScorerUpset, PoolScorerJoshP, PoolScorerSeedDiff, PoolScorerRelaxedSeedDiff } PoolScorerType;
typedef enum { PoolFormatInvalid = 0, PoolFormatText, PoolFormatJson, PoolFormatBin } PoolReportFormat;
POOLDEF void pool_defaults(void);
POOLDEF void pool_initialize(const char *dirPath);
POOLDEF void pool_team_report(void);
POOLDEF void pool_add_entries_in_dir(const char *dirPath);
POOLDEF void pool_entries_report(void);
POOLDEF void pool_score_report(void);
POOLDEF PoolReportFormat pool_str_to_format(const char *fmtStr);
POOLDEF void pool_possibilities_report(PoolReportFormat fmt, bool progress, int batch, int numBatches, bool restore);
POOLDEF void pool_final_four_report(void);
POOLDEF void pool_restore_stats_from_files(PoolStats stats[], uint32_t bracketCount);
POOLDEF void pool_advance_bracket_for_batch(PoolBracket *possibleBracket,
uint8_t gamesLeft[], int *gamesLeftCount, int batch, int numBatches);
POOLDEF void pool_print_entry(PoolBracket *bracket);
POOLDEF void pool_read_config_file(const char *filePath);
POOLDEF void pool_read_team_file(const char *filePath);
POOLDEF uint8_t pool_games_played(void);
POOLDEF uint8_t pool_team_num_for_short_name(const char *shortName);
POOLDEF uint8_t pool_read_entry_to_bracket(const char *filePath, const char *entryName, size_t entryNameSize,
PoolBracket *bracket, bool recordEliminations);
POOLDEF void pool_bracket_score(PoolBracket *bracket, PoolBracket *results);
POOLDEF uint8_t pool_round_of_game(uint8_t gameNum);
POOLDEF void pool_teams_of_game(uint8_t gameNum, uint8_t round, PoolBracket *bracket, uint8_t *team1, uint8_t *team2);
typedef uint32_t (*PoolScorerFunction)(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF uint32_t pool_basic_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF uint32_t pool_upset_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF uint32_t pool_josh_p_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF uint32_t pool_seed_diff_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF uint32_t pool_relaxed_seed_diff_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game);
POOLDEF PoolScorerFunction pool_get_scorer_function(PoolScorerType scorerType);
POOLDEF uint8_t pool_loser_of_game(uint8_t gameNum, PoolBracket *bracket);
POOLDEF void pool_print_humanized(FILE *f_stream, uint64_t num, int fieldLength);
#define STRIKE(w, pw, f) ( (pw == 0 ? poolTeams[w-1].eliminated : w != pw ) ? "\033[9m\033[31m" f "\033[0m" : (w != 0 && pw != 0 ? "\033[32m" f "\033[0m" : f) )
#define POOL_TEAM_SHORT_NAME(w) ( w == 0 ? "Unk" : poolTeams[w-1].shortName )
#define POOL_TEAM_NAME(w) ( w == 0 ? "Unknown" : poolTeams[w-1].name )
typedef struct {
uint32_t roundScores[POOL_ROUNDS];
PoolScorerType scorerType;
int payouts[POOL_MAX_PAYOUTS];
uint8_t fee;
char poolName[POOL_NAME_LIMIT];
PoolScorerFunction poolScorer;
char dirPath[1024];
char pi1[POOL_TEAM_SHORT_NAME_LIMIT];
char pi2[POOL_TEAM_SHORT_NAME_LIMIT];
char pi3[POOL_TEAM_SHORT_NAME_LIMIT];
char pi4[POOL_TEAM_SHORT_NAME_LIMIT];
} PoolConfiguration;
static PoolConfiguration poolConfiguration = {0};
#endif // POOL_C_ IMPLEMENTATION
#ifdef POOL_IMPLEMENTATION
#define UNUSED(x) (void)x
typedef struct {
clock_t start;
uint64_t total;
uint64_t complete;
uint8_t nextPercent;
} PoolProgress;
typedef struct {
uint8_t team;
uint64_t count;
} PoolTeamWins;
POOLDEF int LOG2(int n) {
if (n <= 0) {
return 0;
}
int val = -1;
while (n) {
val++;
n >>= 1;
}
return val;
}
POOLDEF void pool_print_humanized(FILE *f_stream, uint64_t num, int fieldLength) {
if (num < 10000) {
fprintf(f_stream, "%*" PRIu64, fieldLength+1, num);
return;
}
static uint64_t factors[5] = {1e15, 1e12, 1e9, 1e6, 1e3};
static char abbrev[5] = {'Q', 'T', 'B', 'M', 'K'};
for (int i = 0; i < 5; ++i) {
if (factors[i] <= num) {
double dispNum = (double) num / (double) factors[i];
if (dispNum < 10) {
fprintf(f_stream, "%*.3f%c", fieldLength, dispNum, abbrev[i]);
} else if (dispNum < 100) {
fprintf(f_stream, "%*.2f%c", fieldLength, dispNum, abbrev[i]);
} else {
if ((dispNum - (uint64_t) dispNum) >= 0.1) {
fprintf(f_stream, "%*.1f%c", fieldLength, dispNum, abbrev[i]);
} else {
fprintf(f_stream, "%*.0f%c", fieldLength, dispNum, abbrev[i]);
}
}
return;
}
}
}
POOLDEF void pool_inc_progress(PoolProgress *prog) {
if (prog == NULL) {
return;
}
prog->complete += 1;
if (prog->nextPercent == 0) {
fprintf(stderr, "DFS BPS: %12.0f 0%% ETA: --\r", 0.0);
fflush(stdout);
prog->nextPercent += 1;
} else if (prog->complete < prog->total) {
double perc = (double) prog->complete / (double) prog->total * 100.0;
if ( perc > prog->nextPercent || prog->complete % 10000000 == 0) {
clock_t curr = clock();
double elapsed_t = (double)(curr - prog->start)/CLOCKS_PER_SEC;
double bps = elapsed_t > 0 ? prog->complete / elapsed_t : 9999999.99;
uint64_t eta = (uint64_t) ((prog->total - prog->complete) / bps);
uint64_t hours = eta / 3600;
uint64_t minutes = (eta - hours * 3600) / 60;
uint64_t secs = eta % 60;
fprintf(stderr, "DFS BPS: %12.0f %3.0f%% ETA: %02" PRIu64 ":%02" PRIu64 ":%02" PRIu64 "\r", bps, perc, hours, minutes, secs);
fflush(stdout);
prog->nextPercent += 1;
}
} else {
clock_t curr = clock();
uint64_t elapsed_t = (uint64_t)(curr - prog->start)/CLOCKS_PER_SEC;
double bps = elapsed_t > 0 ? prog->complete / elapsed_t : 9999999.99;
uint64_t hours = elapsed_t / 3600;
uint64_t minutes = (elapsed_t - hours * 3600) / 60;
uint64_t secs = elapsed_t % 60;
fprintf(stderr, "DFS BPS: %12.0f %3.0f%% ELAPSED: %02" PRIu64 ":%02" PRIu64 ":%02" PRIu64 "\n", bps, 100.0, hours, minutes, secs);
fflush(stdout);
}
}
POOLDEF void pool_teams_of_game(uint8_t gameNum, uint8_t round, PoolBracket *bracket,
uint8_t *team1, uint8_t *team2) {
if (gameNum > POOL_NUM_GAMES - 1) {
fprintf(stderr, "gameNum %d is too big in pool_loser_of_game\n", gameNum);
exit(1);
}
if (round == 0) {
*team1 = gameNum * 2 + 1;
*team2 = *team1 + 1;
} else {
uint8_t gameBase = round == 1 ? 0 : poolGamesInRound[round - 2];
uint8_t prevGame1 = gameBase + (gameNum - poolGamesInRound[round - 1]) * 2;
uint8_t prevGame2 = prevGame1 + 1;
*team1 = bracket->winners[prevGame1];
*team2 = bracket->winners[prevGame2];
}
return;
}
POOLDEF uint8_t pool_loser_of_game(uint8_t gameNum, PoolBracket *bracket) {
if (gameNum > POOL_NUM_GAMES - 1) {
fprintf(stderr, "gameNum %d is too big in pool_loser_of_game\n", gameNum);
exit(1);
}
uint8_t winner = bracket->winners[gameNum];
if (winner == 0) { return 0; }
uint8_t round = pool_round_of_game(gameNum);
if (round == 0) {
winner = winner - 1;
return gameNum*2 + 1 - (winner - gameNum*2) + 1;
}
uint8_t gameBase = round == 1 ? 0 : poolGamesInRound[round - 2];
uint8_t prevGame1 = gameBase + (gameNum - poolGamesInRound[round - 1]) * 2;
uint8_t prevGame2 = prevGame1 + 1;
return bracket->winners[prevGame1] == winner ?
bracket->winners[prevGame2] : bracket->winners[prevGame1];
}
POOLDEF uint32_t pool_basic_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game) {
UNUSED(bracket);
UNUSED(results);
UNUSED(game);
return poolConfiguration.roundScores[round];
}
POOLDEF uint32_t pool_seed_diff_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game) {
uint8_t resultsLoser = pool_loser_of_game(game, results);
uint8_t bracketLoser = pool_loser_of_game(game, bracket);
uint8_t bonus = 0;
if ( (resultsLoser == 0 && bracketLoser != 0 && !poolTeams[bracketLoser-1].eliminated) || resultsLoser == bracketLoser) {
PoolTeam *losingTeam = &poolTeams[bracketLoser-1];
uint8_t winner = bracket->winners[game];
PoolTeam *winningTeam = &poolTeams[winner-1];
bonus = winningTeam->seed > losingTeam->seed ? winningTeam->seed - losingTeam->seed : 0;
}
return poolConfiguration.roundScores[round] + bonus;
}
POOLDEF uint32_t pool_relaxed_seed_diff_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game) {
uint8_t loser = pool_loser_of_game(game, results);
PoolTeam *losingTeam = &poolTeams[loser-1];
uint8_t winner = bracket->winners[game];
PoolTeam *winningTeam = &poolTeams[winner-1];
uint32_t bonus = winningTeam->seed > losingTeam->seed ? winningTeam->seed - losingTeam->seed : 0;
return poolConfiguration.roundScores[round] + bonus;
}
POOLDEF uint32_t pool_josh_p_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game) {
UNUSED(results);
uint8_t winner = bracket->winners[game];
PoolTeam *winningTeam = &poolTeams[winner-1];
return poolConfiguration.roundScores[round] * winningTeam->seed;
}
POOLDEF uint32_t pool_upset_scorer(PoolBracket *bracket, PoolBracket *results, uint8_t round, uint8_t game) {
UNUSED(results);
uint8_t winner = bracket->winners[game];
PoolTeam *winningTeam = &poolTeams[winner-1];
return poolConfiguration.roundScores[round] + winningTeam->seed;
}
POOLDEF PoolScorerFunction pool_get_scorer_function(PoolScorerType scorerType) {
switch(scorerType) {
case PoolScorerBasic:
return &pool_basic_scorer;
break;
case PoolScorerUpset:
return &pool_upset_scorer;
break;
case PoolScorerJoshP:
return &pool_josh_p_scorer;
break;
case PoolScorerSeedDiff:
return &pool_seed_diff_scorer;
break;
case PoolScorerRelaxedSeedDiff:
return &pool_relaxed_seed_diff_scorer;
break;
default:
fprintf(stderr, "Error, unknown PoolScorerType: %d\n", scorerType);
exit(1);
}
}
POOLDEF uint8_t pool_round_of_game(uint8_t gameNum) {
return poolGamesRound[gameNum];
}
POOLDEF void pool_bracket_score(PoolBracket *bracket, PoolBracket *results) {
bracket->score = 0;
bracket->maxScore = 0;
bracket->roundScores[0] = 0;
bracket->wins = 0;
uint8_t round = 0;
for (uint8_t g = 0; g < POOL_NUM_GAMES; g++) {
if (g >= poolGamesInRound[round]) {
round++;
bracket->roundScores[round] = 0;
}
uint8_t bracketWinner = bracket->winners[g];
uint8_t resultsWinner = results->winners[g];
if (resultsWinner != 0) {
if (bracketWinner == resultsWinner) {
uint32_t gameScore = (*poolConfiguration.poolScorer)(bracket, results, round, g);
bracket->score += gameScore;
bracket->maxScore += gameScore;
bracket->roundScores[round] += gameScore;
bracket->wins += 1;
}
} else {
if (!poolTeams[bracketWinner - 1].eliminated) {
uint32_t gameScore = (*poolConfiguration.poolScorer)(bracket, results, round, g);
bracket->maxScore += gameScore;
}
}
}
if (results->tieBreak > 0) {
bracket->tieBreakDiff = abs(results->tieBreak - bracket->tieBreak);
}
}
POOLDEF void pool_defaults(void) {
// Set defaults
strcpy(poolConfiguration.poolName, "NCAA Tournament");
poolConfiguration.roundScores[0] = 1;
poolConfiguration.roundScores[1] = 2;
poolConfiguration.roundScores[2] = 4;
poolConfiguration.roundScores[3] = 8;
poolConfiguration.roundScores[4] = 16;
poolConfiguration.roundScores[5] = 32;
poolConfiguration.scorerType = PoolScorerBasic;
poolConfiguration.poolScorer = pool_get_scorer_function(poolConfiguration.scorerType);
}
POOLDEF void pool_initialize(const char *dirPath) {
DIR *dfd;
if ((dfd = opendir(dirPath)) == NULL) {
fprintf(stderr, "Can't open directory %s: %s\n",
dirPath, strerror(errno));
exit(1);
}
strncpy(poolConfiguration.dirPath, dirPath, 1023);
char filePath[1024];
// Read configuration
sprintf(filePath, "%s/%s", dirPath, POOL_CONFIG_FILE_NAME);
pool_read_config_file(filePath);
// Read teams
sprintf(filePath, "%s/%s", dirPath, POOL_TEAMS_FILE_NAME);
pool_read_team_file(filePath);
// Read entries
sprintf(filePath, "%s/%s", dirPath, POOL_ENTRIES_DIR_NAME);
pool_add_entries_in_dir(filePath);
// Read results
sprintf(filePath, "%s/%s", dirPath, POOL_RESULTS_FILE_NAME);
pool_read_entry_to_bracket(filePath, "Tourney", 7, &poolTournamentBracket, true);
closedir(dfd);
}
POOLDEF void pool_print_entry(PoolBracket *bracket) {
if (poolTournamentBracket.tieBreak > 0) {
printf("%s Score: %d Tie Break Diff: %d\n", bracket->name, bracket->score, bracket->tieBreakDiff);
} else {
printf("%s Score: %d\n", bracket->name, bracket->score);
}
printf(" ");
for (size_t g = 0; g < 32; g++) {
uint8_t team1, team2 = 0;
pool_teams_of_game(g, 0, bracket, &team1, &team2);
if (g > 0) { printf(" "); }
uint8_t pw = poolTournamentBracket.winners[g];
printf(STRIKE(team1, pw, "%3s"), POOL_TEAM_SHORT_NAME(team1));
}
printf("\n");
printf(" ");
for (size_t g = 0; g < 32; g++) {
uint8_t team1, team2 = 0;
pool_teams_of_game(g, 0, bracket, &team1, &team2);
if (g > 0) { printf(" "); }
uint8_t pw = poolTournamentBracket.winners[g];
printf(STRIKE(team2, pw, "%3s"), POOL_TEAM_SHORT_NAME(team2));
}
printf("\n");
printf(" Round 1: ");
for (size_t g = 0; g < 32; g++) {
uint8_t w = bracket->winners[g];
uint8_t pw = poolTournamentBracket.winners[g];
if (g > 0) { printf(" "); }
printf(STRIKE(w, pw, "%3s"), POOL_TEAM_SHORT_NAME(w));
}
printf("\n");
printf("Sweet 16: ");
for (size_t g = 0; g < 16; g++) {
uint8_t w = bracket->winners[g + 32];
uint8_t pw = poolTournamentBracket.winners[g + 32];
printf(" ");
if (g > 0) { printf(" "); }
printf(STRIKE(w, pw, "%3s"), POOL_TEAM_SHORT_NAME(w));
printf(" ");
}
printf("\n");
printf(" Elite 8: ");
for (size_t g = 0; g < 8; g++) {
uint8_t w = bracket->winners[g + 48];
uint8_t pw = poolTournamentBracket.winners[g + 48];
printf(" ");
if (g > 0) { printf(" "); }
printf(STRIKE(w, pw, "%3s"), POOL_TEAM_SHORT_NAME(w));
printf(" ");
}
printf("\n");
printf(" Final 4: ");
for (size_t g = 0; g < 4; g++) {
uint8_t w = bracket->winners[g + 56];
uint8_t pw = poolTournamentBracket.winners[g + 56];
printf(" ");
if (g > 0) { printf(" "); }
printf(STRIKE(w, pw, "%3s"), POOL_TEAM_SHORT_NAME(w));
printf(" ");
}
printf("\n");
printf(" Final 2: ");
for (size_t g = 0; g < 2; g++) {
uint8_t w = bracket->winners[g + 60];
uint8_t pw = poolTournamentBracket.winners[g + 60];
printf(" ");
if (g > 0) { printf(" "); }
printf(STRIKE(w, pw, "%3s"), POOL_TEAM_SHORT_NAME(w));
printf(" ");
}
printf("\n");
uint8_t w = bracket->winners[62];
uint8_t pw = poolTournamentBracket.winners[62];
printf("Champion: ");
printf(STRIKE(w, pw, "%s"), POOL_TEAM_NAME(w));
printf(" Tie Breaker: %d", bracket->tieBreak);
if (poolTournamentBracket.tieBreak > 0) {
printf(" Diff: %d\n", bracket->tieBreakDiff);
} else {
printf("\n");
}
printf("\n");
}
POOLDEF int pool_score_cmpfunc (const void * a, const void * b) {
PoolBracket *bracket_b = (PoolBracket *) b;
PoolBracket *bracket_a = (PoolBracket *) a;
int diff = bracket_b->score - bracket_a->score;
if (diff == 0) {
if (poolTournamentBracket.tieBreak > 0) {
diff = bracket_a->tieBreakDiff - bracket_b->tieBreakDiff;
}
}
if (diff == 0) {
diff = bracket_b->maxScore - bracket_a->maxScore;
}
return diff;
}
POOLDEF int pool_champ_counts_cmpfunc (const void * a, const void * b) {
// Handle 64 bit unsigned ints ... with int return value
int64_t diff = *((uint64_t *)b) - *((uint64_t *)a);
if (diff < 0) {
return -1;
} else if (diff > 0) {
return 1;
}
return 0;
}
POOLDEF int pool_stats_possible_score_cmpfunc (const void * a, const void * b) {
return ( ((PoolScoreStats*)b)->possibleScore - ((PoolScoreStats*)a)->possibleScore );
}
POOLDEF int pool_stats_times_won_cmpfunc (const void * a, const void * b) {
PoolStats *aStats = (PoolStats *) a;
PoolStats *bStats = (PoolStats *) b;
int cmp = ( aStats->minRank - bStats->minRank );
if (cmp == 0) {
if (bStats->timesWon > aStats->timesWon) {
cmp = 1;
} else if (bStats->timesWon < aStats->timesWon) {
cmp = -1;
}
}
if (cmp == 0) {
if (bStats->timesTied > aStats->timesTied) {
cmp = 1;
} else if (bStats->timesTied < aStats->timesTied) {
cmp = -1;
}
}
if (cmp == 0) {
cmp = bStats->maxScore - aStats->maxScore;
}
return cmp;
}
POOLDEF void pool_team_report(void) {
printf("%s: Team Report\n", poolConfiguration.poolName);
printf("%2s %32s %5s %4s %11s\n", "No", "Name", "Short", "Seed", "Eliminated?");
printf("%2s %32s %5s %4s %11s\n", "--", "----", "-----", "----", "-----------");
for (int i = 0; i < POOL_NUM_TEAMS; i++) {
printf("%2d %32s %3s %2d %3s\n",
i + 1,
poolTeams[i].name,
poolTeams[i].shortName,
poolTeams[i].seed,
poolTeams[i].eliminated ? "Yes" : "No"
);
}
}
int power_of_two(int num) {
int ans = 0;
if (num == 0)
return 0;
while (num != 1) {
if (num % 2 != 0)
return 0;
ans++;
num = num / 2;
}
return ans;
}
POOLDEF void pool_advance_bracket_for_batch(PoolBracket *possibleBracket,
uint8_t gamesLeft[], int *gamesLeftCount, int batch, int numBatches) {
if (numBatches <= 1) {
return;
}
int log2Batches = power_of_two(numBatches);
if (log2Batches > *gamesLeftCount) {
fprintf(stderr, "[ERROR] There are more batches log2(%d) = %d needed for the games left %d\n",
numBatches, log2Batches, *gamesLeftCount);
exit(1);
}
int gamesToDecide = LOG2(numBatches);
for (int g = 0; g < gamesToDecide; g++) {
uint8_t round = pool_round_of_game(gamesLeft[g]);
uint8_t team1, team2 = 0;
pool_teams_of_game(gamesLeft[g], round, possibleBracket, &team1, &team2);
uint8_t winner = ( batch & (1 << g) ) == 0 ? team1 : team2;
uint8_t loser = ( batch & (1 << g) ) == 0 ? team2 : team1;
possibleBracket->winners[gamesLeft[g]] = winner;
poolTeams[loser-1].eliminated = true;
/*
printf("Advancing bracket for game %d of %d : %d, choosing winner %s-%s => %s\n",
g, gamesToDecide, gamesLeft[g],
POOL_TEAM_SHORT_NAME(team1),
POOL_TEAM_SHORT_NAME(team2),
POOL_TEAM_SHORT_NAME(possibleBracket->winners[gamesLeft[g]]));
*/
}
memmove(gamesLeft,
gamesLeft + gamesToDecide,
sizeof(uint8_t) * (*gamesLeftCount - gamesToDecide));
*gamesLeftCount -= gamesToDecide;
}
POOLDEF void pool_possibilities_dfs(
uint8_t gamesLeft[], int gamesLeftCount, uint8_t game,
PoolBracket *possibleBracket,
PoolStats stats[], uint32_t numBrackets,
PoolProgress *prog,
PoolBracket possibleBrackets[],
uint8_t *possibleBracketCount) {
if (game >= gamesLeftCount) {
pool_inc_progress(prog);
PoolScoreStats copyStats[numBrackets];
if (possibleBrackets && possibleBracketCount) {
memcpy(&possibleBrackets[*possibleBracketCount], possibleBracket, sizeof(PoolBracket));
*possibleBracketCount += 1;
}
for (uint32_t i = 0; i < numBrackets; i++) {
copyStats[i].stats = &stats[i];
copyStats[i].possibleScore = stats[i].possibleScore;
}
qsort(copyStats, numBrackets, sizeof(PoolScoreStats), pool_stats_possible_score_cmpfunc);
uint32_t champScore = 0;
uint32_t lastScore = 0;
uint16_t lastRank = 0;
uint8_t champ = possibleBracket->winners[POOL_NUM_GAMES - 1] - 1;
for (uint32_t i = 0; i < numBrackets; i++) {
PoolStats *stat = copyStats[i].stats;
uint16_t realRank = i + 1;
if (i == 0 || stat->possibleScore != lastScore) {
lastRank = realRank;
lastScore = stat->possibleScore;
} else {
realRank = lastRank;
}
if (stat->possibleScore > stat->maxScore) {
stat->maxScore = stat->possibleScore;
}
if (stat->minRank > realRank) {
stat->minRank = realRank;
}
if (stat->maxRank < realRank) {
stat->maxRank = realRank;
}
if (i == 0 || stat->possibleScore == champScore) {
champScore = stat->possibleScore;
stat->champCounts[champ] += 1;
if (i == 0) {
stat->timesWon += 1;
} else {
if (i == 1) {
copyStats[i-1].stats->timesWon -= 1;
copyStats[i-1].stats->timesTied += 1;
}
stat->timesTied += 1;
}
}
}
return;
}
uint8_t gameNum = gamesLeft[game];
uint8_t round = pool_round_of_game(gameNum);
uint8_t team1 = 0;
uint8_t team2 = 0;
pool_teams_of_game(gameNum, round, possibleBracket, &team1, &team2);
assert(team1 != 0);
assert(team2 != 0);
uint8_t teams[2] = { team1, team2 };
for (size_t t = 0; t < 2; t++) {
uint32_t bracketGameScores[numBrackets];
possibleBracket->winners[gameNum] = teams[t];
uint8_t otherTeam = teams[1-t];
poolTeams[otherTeam-1].eliminated = true;
for (size_t i = 0; i < numBrackets; i++) {
bracketGameScores[i] = 0;
if (teams[t] == stats[i].bracket->winners[gameNum]) {
bracketGameScores[i] = (*poolConfiguration.poolScorer)(stats[i].bracket, possibleBracket, round, gameNum);
}
stats[i].possibleScore += bracketGameScores[i];
}
// RECURSE
pool_possibilities_dfs(
gamesLeft, gamesLeftCount, game + 1,
possibleBracket,
stats, poolBracketsCount,
prog,
possibleBrackets,
possibleBracketCount);
for (size_t i = 0; i < numBrackets; i++) {
stats[i].possibleScore -= bracketGameScores[i];
bracketGameScores[i] = 0;
}
possibleBracket->winners[gameNum] = 0;
poolTeams[otherTeam-1].eliminated = false;
}
}
POOLDEF PoolReportFormat pool_str_to_format(const char *fmtStr) {
if (strcasecmp(fmtStr, "text") == 0) {
return PoolFormatText;
} else if (strcasecmp(fmtStr, "json") == 0) {
return PoolFormatJson;
} else if (strcasecmp(fmtStr, "bin") == 0) {
return PoolFormatBin;
} else {
fprintf(stderr,
"ERROR: Could not determine report format: %s\n",
fmtStr);
}
return PoolFormatInvalid;
}
POOLDEF void pool_restore_stats_from_files(PoolStats stats[], uint32_t bracketCount) {
struct dirent *dp;
DIR *dfd;
if ((dfd = opendir(poolConfiguration.dirPath)) == NULL) {
fprintf(stderr, "Can't open directory %s: %s\n",
poolConfiguration.dirPath, strerror(errno));
exit(1);
}
char entryFilePath[2048];
while ((dp = readdir(dfd)) != NULL) {
struct stat stbuf;
sprintf(entryFilePath, "%s/%s", poolConfiguration.dirPath, dp->d_name);
if ( stat(entryFilePath, &stbuf) == -1 ) {
// .. do nothing?
continue;
}
if ( S_ISDIR(stbuf.st_mode) ) {
// skip directories
continue;
}
if (strncmp(dp->d_name, "poss_", 5) != 0) {
// skip non-bin files
continue;
}
char *ext = strrchr(entryFilePath, '.');
if (!ext || strncmp(ext+1, "bin", 3) != 0) {
// skip no extension or wrong extension
continue;
}
FILE *in = fopen(entryFilePath, "rb");
if (in == NULL) {
fprintf(stderr, "Could not open possibility report output bin file %s: %s\n",
entryFilePath, strerror(errno));
exit(1);
}
int batch, numBatches = 0;
uint64_t possibleOutcomes = 0;
uint32_t storedBracketCount = 0;
if (fread(&batch, sizeof(batch), 1, in) != 1) {
fprintf(stderr, "ERROR: Could not read batch from %s\n",
entryFilePath);
exit(1);
}
if (fread(&numBatches, sizeof(numBatches), 1, in) != 1) {
fprintf(stderr, "ERROR: Could not read numBatches from %s\n",
entryFilePath);
exit(1);
}
if (fread(&possibleOutcomes, sizeof(possibleOutcomes), 1, in) != 1) {
fprintf(stderr, "ERROR: Could not read possibleOutcomes from %s\n",
entryFilePath);
exit(1);
}
if (fread(&storedBracketCount, sizeof(storedBracketCount), 1, in) != 1) {
fprintf(stderr, "ERROR: Could not read bracketCount from %s\n",
entryFilePath);
exit(1);
}
assert(storedBracketCount == bracketCount);
for (size_t i = 0; i < bracketCount; i++) {
PoolStats partialStat = {0};
char bracketName[POOL_BRACKET_NAME_LIMIT];
size_t len = fread(bracketName, 1, POOL_BRACKET_NAME_LIMIT, in);
assert(len == POOL_BRACKET_NAME_LIMIT);
if (fread(&partialStat, sizeof(PoolStats), 1, in) != 1) {
fprintf(stderr, "ERROR: Could not read PoolStats from %s\n",
entryFilePath);
exit(1);
}
PoolStats *aggStats = NULL;
for (size_t b = 0; b < bracketCount; b++) {
if (strcmp(stats[b].bracket->name, bracketName) == 0) {
aggStats = &stats[b];
}
}
assert(aggStats);
// combine partial stats with aggregate aggStats
aggStats->maxRank = (aggStats->maxRank < partialStat.maxRank ? partialStat.maxRank : aggStats->maxRank);
aggStats->minRank = (aggStats->minRank > partialStat.minRank ? partialStat.minRank : aggStats->minRank);
aggStats->maxScore = (aggStats->maxScore < partialStat.maxScore ? partialStat.maxScore : aggStats->maxScore);
aggStats->timesWon += partialStat.timesWon;
aggStats->timesTied += partialStat.timesTied;
for (size_t t = 0; t < POOL_NUM_TEAMS; t++) {
aggStats->champCounts[t] += partialStat.champCounts[t];
}
}
fclose(in);
}
}
bool setup_possibilities(PoolStats *stats, PoolReportFormat fmt, bool progress,
int batch, int numBatches, bool restore, uint64_t *possibleOutcomes,
PoolBracket possibleBrackets[], uint8_t *possibleBracketCount) {
if (poolBracketsCount == 0) {
fprintf(stderr, ">>>> There are no entries in this pool. <<<<\n");
return false;
}
// Set up posible bracket
PoolBracket possibleBracket = {
.winners = {0},
.tieBreak = poolTournamentBracket.tieBreak,
.tieBreakDiff = 0,
.name = "possible",
.maxScore = 0,
.roundScores = {0}
};
memcpy(possibleBracket.winners, poolTournamentBracket.winners, sizeof(uint8_t) * POOL_NUM_TEAMS);
// Set up data for DFS
uint8_t gamesLeft[POOL_NUM_GAMES];
int gamesLeftCount = 0;
for (uint8_t g = 0; g < POOL_NUM_GAMES; g++) {
if (poolTournamentBracket.winners[g] == 0) {
gamesLeft[gamesLeftCount] = g;
gamesLeftCount += 1;
}
}
//if (gamesLeftCount == 0) {
// fprintf(stderr, ">>>> There are no games left in this pool. <<<<\n");
// return false;
//}
// If we are running a batch advance possible bracket accordingly
pool_advance_bracket_for_batch(&possibleBracket, gamesLeft, &gamesLeftCount, batch, numBatches);
*possibleOutcomes = 2L << (gamesLeftCount - 1);
if (fmt == PoolFormatText) {
printf("There are %d teams and %d games remaining, ",
gamesLeftCount + 1, gamesLeftCount);
pool_print_humanized(stdout, *possibleOutcomes, 6);
printf(" possible outcomes\n");
printf("%s: Possibilities Report\n", poolConfiguration.poolName);
}
for (size_t i = 0; i < poolBracketsCount; i++) {
stats[i].bracket = &poolBrackets[i];
pool_bracket_score(&poolBrackets[i], &possibleBracket);
stats[i].possibleScore = poolBrackets[i].score;
stats[i].minRank = poolBracketsCount + 1;
}
if (!restore) {
PoolProgress prog;
prog.start = clock();
prog.total = *possibleOutcomes;
prog.complete = 0;
prog.nextPercent = 0;
pool_possibilities_dfs(
gamesLeft, gamesLeftCount, 0,
&possibleBracket,
stats, poolBracketsCount,
progress ? &prog : NULL,
possibleBrackets,
possibleBracketCount);
} else {
pool_restore_stats_from_files(stats, poolBracketsCount);
}
return true;
}
POOLDEF void pool_final_four_report(void) {
// If num possibilities is > 8, bail
int gamesLeftCount = 63 - pool_games_played();
if (gamesLeftCount > 3) {
fprintf(stderr, "Can only run final four report when 3 or fewer games remain.\n");
exit(1);
}
uint8_t numPayouts = 0;
for (uint8_t i = 0; i < POOL_MAX_PAYOUTS; i++) {
if (poolConfiguration.payouts[i] != 0) {
numPayouts++;
}
}
// Reserve space for stats
PoolStats stats[POOL_BRACKET_CAPACITY] = {0};
PoolBracket possibleBrackets[8] = {0};
uint64_t possibleOutcomes = 0L;
uint8_t possibleBracketCount = 0;
if (setup_possibilities(stats, PoolFormatInvalid, false, 0, 1, false, &possibleOutcomes, possibleBrackets, &possibleBracketCount)) {
if (possibleOutcomes > 2) {
printf("%s: Final Four Report\n", poolConfiguration.poolName);