git.sesse.net Git - pkanalytics/blob - events.cpp

   1 #include <algorithm>
   2 #include <string>
   3 #include <map>
   4 #include <vector>
   5 #include <optional>
   6 #include <sqlite3.h>
   7 #include "events.h"
   8
   9 using namespace std;
  10
  11 string format_timestamp(uint64_t pos);
  12
  13 EventsModel::EventsModel(sqlite3 *db) : db(db)
  14 {
  15         load_data();
  16 }
  17
  18 QVariant EventsModel::headerData(int section, Qt::Orientation orientation, int role) const
  19 {
  20         if (role != Qt::DisplayRole) {
  21                 return QVariant();
  22         }
  23         if (orientation == Qt::Horizontal) {
  24                 if (section == 0) {
  25                         return "Time";
  26                 } else if (section == 1) {
  27                         return "Player";
  28                 } else {
  29                         return "Type";
  30                 }
  31         } else {
  32                 return "";
  33         }
  34 }
  35
  36 QVariant EventsModel::data(const QModelIndex &index, int role) const
  37 {
  38         if (role != Qt::DisplayRole) {
  39                 return QVariant();
  40         }
  41         if (index.column() == 0) {
  42                 return QString::fromUtf8(format_timestamp(events[index.row()].t));
  43         } else if (index.column() == 1) {
  44                 optional<int> player_id = events[index.row()].player_id;
  45                 if (player_id) {
  46                         auto p_it = players.find(*player_id);
  47                         const Player &p = p_it->second;
  48                         return QString::fromUtf8(p.name + " (" + p.number + ")");
  49                 } else {
  50                         return QVariant();
  51                 }
  52         } else if (index.column() == 2) {
  53                 return QString::fromUtf8(events[index.row()].type);
  54         }
  55         return QVariant();
  56 }
  57
  58 void EventsModel::load_data()
  59 {
  60         players.clear();
  61         events.clear();
  62
  63         // Read the players. (The ordering is used to build the order map.)
  64         sqlite3_stmt *stmt;
  65         int ret = sqlite3_prepare_v2(db, "SELECT player, number, name FROM player ORDER BY gender, (number+0), number", -1, &stmt, 0);
  66         if (ret != SQLITE_OK) {
  67                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
  68                 abort();
  69         }
  70         int order = 0;
  71         for ( ;; ) {
  72                 ret = sqlite3_step(stmt);
  73                 if (ret == SQLITE_ROW) {
  74                         Player p;
  75                         p.player_id = sqlite3_column_int(stmt, 0);
  76                         p.number = (const char *)sqlite3_column_text(stmt, 1);
  77                         p.name = (const char *) sqlite3_column_text(stmt, 2);
  78                         players[p.player_id] = std::move(p);
  79                         player_ordering[p.player_id] = order++;
  80                 } else if (ret == SQLITE_DONE) {
  81                         break;
  82                 } else {
  83                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
  84                         abort();
  85                 }
  86         }
  87         ret = sqlite3_finalize(stmt);
  88         if (ret != SQLITE_OK) {
  89                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
  90                 abort();
  91         }
  92
  93         // Read the events.
  94         ret = sqlite3_prepare_v2(db, "SELECT event, t, player, type FROM event ORDER BY t", -1, &stmt, 0);
  95         if (ret != SQLITE_OK) {
  96                 fprintf(stderr, "SELECT prepare: %s\n", sqlite3_errmsg(db));
  97                 abort();
  98         }
  99         for ( ;; ) {
 100                 ret = sqlite3_step(stmt);
 101                 if (ret == SQLITE_ROW) {
 102                         Event e;
 103                         e.event_id = sqlite3_column_int(stmt, 0);
 104                         e.t = sqlite3_column_int(stmt, 1);
 105                         if (sqlite3_column_type(stmt, 2) == SQLITE_INTEGER) {  // Non-NULL.
 106                                 e.player_id = sqlite3_column_int(stmt, 2);
 107                         }
 108                         e.type = (const char *)sqlite3_column_text(stmt, 3);
 109                         events.push_back(std::move(e));
 110                 } else if (ret == SQLITE_DONE) {
 111                         break;
 112                 } else {
 113                         fprintf(stderr, "SELECT step: %s\n", sqlite3_errmsg(db));
 114                         abort();
 115                 }
 116         }
 117         ret = sqlite3_finalize(stmt);
 118         if (ret != SQLITE_OK) {
 119                 fprintf(stderr, "SELECT finalize: %s\n", sqlite3_errmsg(db));
 120                 abort();
 121         }
 122 }
 123
 124 unsigned EventsModel::insert_event(uint64_t t, optional<int> player_id, const string &type)
 125 {
 126         auto it = lower_bound(events.begin(), events.end(), t,
 127                 [](const Event &e, uint64_t t) { return e.t < t; });
 128         unsigned pos = distance(events.begin(), it);
 129         beginInsertRows(QModelIndex(), pos, pos);
 130
 131         Event e;
 132         e.t = t;
 133         e.player_id = player_id;
 134         e.type = type;
 135         events.insert(events.begin() + pos, e);
 136
 137         endInsertRows();
 138
 139         // Insert the new row into the database.
 140         sqlite3_stmt *stmt;
 141         int ret = sqlite3_prepare_v2(db, "INSERT INTO event (t, player, type) VALUES (?, ?, ?)", -1, &stmt, 0);
 142         if (ret != SQLITE_OK) {
 143                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 144                 abort();
 145         }
 146
 147         sqlite3_bind_int64(stmt, 1, t);
 148         if (player_id) {
 149                 sqlite3_bind_int64(stmt, 2, *player_id);
 150         } else {
 151                 sqlite3_bind_null(stmt, 2);
 152         }
 153         sqlite3_bind_text(stmt, 3, type.data(), type.size(), SQLITE_STATIC);
 154
 155         ret = sqlite3_step(stmt);
 156         if (ret == SQLITE_ROW) {
 157                 fprintf(stderr, "INSERT step: %s\n", sqlite3_errmsg(db));
 158                 abort();
 159         }
 160
 161         ret = sqlite3_finalize(stmt);
 162         if (ret != SQLITE_OK) {
 163                 fprintf(stderr, "INSERT finalize: %s\n", sqlite3_errmsg(db));
 164                 abort();
 165         }
 166
 167         events[pos].event_id = sqlite3_last_insert_rowid(db);
 168         return pos;
 169 }
 170
 171 void EventsModel::delete_event(unsigned pos)
 172 {
 173         int event_id = events[pos].event_id;
 174
 175         beginRemoveRows(QModelIndex(), pos, pos);
 176         events.erase(events.begin() + pos);
 177         endRemoveRows();
 178
 179         // Delete the row from the database.
 180         sqlite3_stmt *stmt;
 181         int ret = sqlite3_prepare_v2(db, "DELETE FROM event WHERE event=?", -1, &stmt, 0);
 182         if (ret != SQLITE_OK) {
 183                 fprintf(stderr, "DELETE prepare: %s\n", sqlite3_errmsg(db));
 184                 abort();
 185         }
 186
 187         sqlite3_bind_int64(stmt, 1, event_id);
 188
 189         ret = sqlite3_step(stmt);
 190         if (ret == SQLITE_ROW) {
 191                 fprintf(stderr, "DELETE step: %s\n", sqlite3_errmsg(db));
 192                 abort();
 193         }
 194
 195         ret = sqlite3_finalize(stmt);
 196         if (ret != SQLITE_OK) {
 197                 fprintf(stderr, "DELETE finalize: %s\n", sqlite3_errmsg(db));
 198                 abort();
 199         }
 200 }
 201
 202 void EventsModel::set_event_type(unsigned pos, const string &type)
 203 {
 204         events[pos].type = type;
 205         emit dataChanged(createIndex(pos, 0), createIndex(pos, 2));
 206
 207         sqlite3_stmt *stmt;
 208         int ret = sqlite3_prepare_v2(db, "UPDATE event SET type=? WHERE event=?", -1, &stmt, 0);
 209         if (ret != SQLITE_OK) {
 210                 fprintf(stderr, "INSERT prepare: %s\n", sqlite3_errmsg(db));
 211                 abort();
 212         }
 213
 214         sqlite3_bind_text(stmt, 1, type.data(), type.size(), SQLITE_STATIC);
 215         sqlite3_bind_int64(stmt, 2, events[pos].event_id);
 216
 217         ret = sqlite3_step(stmt);
 218         if (ret == SQLITE_ROW) {
 219                 fprintf(stderr, "UPDATE step: %s\n", sqlite3_errmsg(db));
 220                 abort();
 221         }
 222
 223         ret = sqlite3_finalize(stmt);
 224         if (ret != SQLITE_OK) {
 225                 fprintf(stderr, "UPDATE finalize: %s\n", sqlite3_errmsg(db));
 226                 abort();
 227         }
 228 }
 229
 230 unsigned EventsModel::get_last_event_pos(uint64_t t) const
 231 {
 232         // upper_bound() gives first where e.t > t,
 233         // and the one before that is the one we want.
 234         auto it = upper_bound(events.begin(), events.end(), t,
 235                 [](uint64_t t, const Event &e) { return t < e.t; });
 236         if (it == events.begin()) {
 237                 return 0;
 238         } else {
 239                 return distance(events.begin(), it - 1);
 240         }
 241 }
 242
 243 EventsModel::Status EventsModel::get_status_at(uint64_t t)
 244 {
 245         Status s;
 246         s.our_score = 0;
 247         s.their_score = 0;
 248         s.attack_state = Status::NOT_STARTED;
 249         s.stoppage = false;
 250         s.pull_state = Status::SHOULD_PULL;
 251         uint64_t last_gained_possession = 0;
 252         uint64_t last_stoppage = 0;
 253         uint64_t time_spent_in_stoppage = 0;
 254         unsigned num_touches = 0;
 255
 256         auto set_offense = [&s] { s.attack_state = Status::OFFENSE; };
 257         auto set_defense = [&s] { s.attack_state = Status::DEFENSE; };
 258
 259         for (const Event &e : events) {
 260                 if (e.t > t) {
 261                         break;
 262                 }
 263
 264                 if (e.type == "goal" || e.type == "their_goal") {
 265                         s.pull_state = Status::SHOULD_PULL;
 266                 } else if (e.type == "in" || e.type == "out" || e.type == "stoppage" || e.type == "restart" || e.type == "unknown" || e.type == "set_defense" || e.type == "set_offense") {
 267                         // No effect on pull status.
 268                 } else if (e.type == "pull") {
 269                         s.pull_state = Status::PULL_IN_AIR;
 270                 } else {
 271                         s.pull_state = Status::NOT_PULLING;  // Includes pull_landed and pull_oob.
 272                 }
 273
 274                 if (e.type == "set_offense") {
 275                         set_offense();
 276                 } else if (e.type == "set_defense") {
 277                         set_defense();
 278                 }
 279
 280                 if (e.type == "goal") {
 281                         ++s.our_score;
 282                         set_defense();
 283                         num_touches = 0;
 284                 }
 285                 if (e.type == "their_goal") {
 286                         ++s.their_score;
 287                         set_offense();
 288                         num_touches = 0;
 289                 }
 290                 if (e.type == "catch") {
 291                         if (num_touches == 0) {  // Pick up.
 292                                 last_gained_possession = e.t;
 293                                 time_spent_in_stoppage = 0;
 294                         }
 295                         ++num_touches;
 296                 }
 297                 if (e.type == "interception") {
 298                         num_touches = 1;
 299                         set_offense();
 300                         last_gained_possession = e.t;
 301                         time_spent_in_stoppage = 0;
 302                 }
 303                 if (e.type == "defense" || e.type == "their_throwaway") {
 304                         set_offense();
 305                         num_touches = 0;
 306                         time_spent_in_stoppage = 0;
 307                 }
 308                 if (e.type == "drop" || e.type == "throwaway") {
 309                         set_defense();
 310                         num_touches = 0;
 311                 }
 312                 if (e.type == "stoppage") {
 313                         s.stoppage = true;
 314                         last_stoppage = e.t;
 315                 }
 316                 if (e.type == "restart") {
 317                         s.stoppage = false;
 318                         if (last_stoppage != 0) {
 319                                 time_spent_in_stoppage += (e.t - last_stoppage);
 320                                 last_stoppage = 0;
 321                         }
 322                 }
 323         }
 324         if (s.stoppage && last_stoppage != 0) {
 325                 time_spent_in_stoppage += (t - last_stoppage);
 326         }
 327
 328         s.num_passes = (num_touches == 0) ? 0 : num_touches - 1;
 329         s.possession_sec = (s.attack_state == Status::OFFENSE && last_gained_possession != 0 && num_touches != 0) ? (t - last_gained_possession - time_spent_in_stoppage) / 1000 : 0;
 330         s.stoppage_sec = (s.attack_state == Status::OFFENSE && last_gained_possession != 0 && num_touches != 0) ? time_spent_in_stoppage / 1000 : 0;
 331         return s;
 332 }
 333
 334 set<int> EventsModel::get_team_at(uint64_t t)
 335 {
 336         set<int> team;
 337         for (const Event &e : events) {
 338                 if (e.t > t) {
 339                         break;
 340                 }
 341                 if (e.type == "in") {
 342                         team.insert(*e.player_id);
 343                 }
 344                 if (e.type == "out") {
 345                         team.erase(*e.player_id);
 346                 }
 347         }
 348         return team;
 349 }
 350
 351 void EventsModel::set_team_at(uint64_t t, const set<int> &new_team)
 352 {
 353         // Backdate to the last goal or stoppage, _or_ the last time someone
 354         // going out is mentioned. (We don't really track injuries yet;
 355         // do we want an explicit injury type? If we had one, it would probably
 356         // be the simplest.)
 357         uint64_t backdate_point = 0;
 358         for (const Event &e : events) {
 359                 if (e.t > t) {
 360                         break;
 361                 }
 362                 if (e.type == "goal" || e.type == "their_goal" || e.type == "stoppage" || e.type == "reset") {
 363                         backdate_point = e.t + 1;
 364                 }
 365                 if (e.player_id.has_value() && !new_team.count(*e.player_id)) {
 366                         backdate_point = e.t + 1;
 367                 }
 368         }
 369
 370         // Delete all in/outs already at the backdate point.
 371         for (unsigned i = 0; i < events.size(); ) {
 372                 if (events[i].t > backdate_point) {
 373                         break;
 374                 }
 375                 if (events[i].t == backdate_point && (events[i].type == "in" || events[i].type == "out")) {
 376                         delete_event(i);
 377                 } else {
 378                         ++i;
 379                 }
 380         }
 381
 382         // Finally make the subs we need.
 383         set<int> old_team = get_team_at(backdate_point);
 384         for (int player_id : old_team) {
 385                 if (!new_team.count(player_id)) {
 386                         insert_event(backdate_point, player_id, "out");
 387                 }
 388         }
 389         for (int player_id : new_team) {
 390                 if (!old_team.count(player_id)) {
 391                         insert_event(backdate_point, player_id, "in");
 392                 }
 393         }
 394 }
 395
 396 vector<int> EventsModel::sort_team(const set<int> &team) const
 397 {
 398         vector<int> ret(team.begin(), team.end());
 399         std::sort(ret.begin(), ret.end(), [this](int a, int b) {
 400                 return player_ordering.find(a)->second < player_ordering.find(b)->second;
 401         });
 402         return ret;
 403 }