Implement optional gender rule A and pull rules.

[pkanalytics] / ultimate.js

diff --git a/ultimate.js b/ultimate.js
index e9b0d801db0490bd13df4f3c484c553aa44f2e27..292534f23dd1f25293c4dad28133d1e0cd4f08bb 100644 (file)
--- a/ultimate.js
+++ b/ultimate.js
@@ -241,6 +241,7 @@ function calc_stats(json, filters) {
 
                let our_score = 0;
                let their_score = 0;
+               let between_points = true;
                let handler = null;
                let handler_got_by_interception = false;  // Only relevant if handler !== null.
                let prev_handler = null;
@@ -252,6 +253,8 @@ function calc_stats(json, filters) {
                let point_num = 0;
                let game_started = null;
                let last_goal = null;
+               let current_predominant_gender = null;
+               let current_num_players_on_field = null;
 
                // The last used formations of the given kind, if any; they may be reused
                // when the point starts, if nothing else is set.
@@ -309,14 +312,56 @@ function calc_stats(json, filters) {
 
                        keep = keep_event(players, formations_used_this_point, last_pull_was_ours, filters);  // Recompute after in/out.
 
+                       if (match['gender_rule_a']) {
+                               if (type === 'restart' && !between_points) {
+                                       let predominant_gender = find_predominant_gender(players);
+                                       let num_players_on_field = find_num_players_on_field(players);
+                                       if (predominant_gender !== current_predominant_gender && current_predominant_gender !== null) {
+                                               console.log(match['description'] + ' ' + format_time(t) + ': Stoppage changed predominant gender from ' + current_predominant_gender + ' to ' + predominant_gender);
+                                       }
+                                       if (num_players_on_field !== current_num_players_on_field && current_num_players_on_field !== null) {
+                                               console.log(match['description'] + ' ' + format_time(t) + ': Stoppage changed number of players on field from ' + current_num_players_on_field + ' to ' + num_players_on_field);
+                                       }
+                                       current_predominant_gender = predominant_gender;
+                                       current_num_players_on_field = num_players_on_field;
+                               } else if (type === 'pull' || type === 'their_pull') {
+                                       let predominant_gender = find_predominant_gender(players);
+                                       let num_players_on_field = find_num_players_on_field(players);
+                                       let changed = (predominant_gender !== current_predominant_gender);
+                                       if (point_num !== 0) {
+                                               let should_change = (point_num % 4 == 1 || point_num % 4 == 3);  // ABBA changes on 1 and 3.
+                                               if (changed && !should_change) {
+                                                       console.log(match['description'] + ' ' + format_time(t) + ': Gender ratio should have stayed the same, changed to predominance of ' + predominant_gender);
+                                               } else if (!changed && should_change) {
+                                                       console.log(match['description'] + ' ' + format_time(t) + ': Gender ratio should have changed, remained predominantly ' + predominant_gender);
+                                               }
+                                               if (num_players_on_field !== current_num_players_on_field && current_num_players_on_field !== null) {
+                                                       console.log(match['description'] + ' ' + format_time(t) + ': Number of players on field changed from ' + current_num_players_on_field + ' to ' + num_players_on_field);
+                                               }
+                                       }
+                                       current_predominant_gender = predominant_gender;
+                                       current_num_players_on_field = num_players_on_field;
+                               }
+                       }
+                       if (match['gender_pull_rule']) {
+                               if (type === 'pull') {
+                                       if (current_predominant_gender !== null &&
+                                           p.gender !== current_predominant_gender) {
+                                               console.log(match['description'] + ' ' + format_time(t) + ': ' + p.name + ' pulled, should have been ' + current_predominant_gender);
+                                       }
+                               }
+                       }
+
                        // Liveness management
                        if (type === 'pull' || type === 'their_pull' || type === 'restart') {
                                live_since = t;
+                               between_points = false;
                        } else if (type === 'catch' && last_pull_was_ours === null) {
                                // Someone forgot to add the pull, so we'll need to wing it.
                                console.log(match['description'] + ' ' + format_time(t) + ': Missing pull on ' + our_score + '\u2013' + their_score + '; pretending to have one.');
                                live_since = t;
                                last_pull_was_ours = !offense;
+                               between_points = false;
                        } else if (type === 'goal' || type === 'their_goal' || type === 'stoppage') {
                                for (const [q,p] of Object.entries(players)) {
                                        if (p.on_field_since === null) {
@@ -381,8 +426,10 @@ function calc_stats(json, filters) {
                        // Score management
                        if (type === 'goal') {
                                ++our_score;
+                               between_points = true;
                        } else if (type === 'their_goal') {
                                ++their_score;
+                               between_points = true;
                        }
 
                        // Point count management
@@ -1780,7 +1827,8 @@ function keep_match(match_id, filters) {
        return true;
 }
 
-function find_gender_ratio_code(players) {
+// Returns a map of e.g. F => 4, M => 3.
+function find_gender_ratio(players) {
        let map = {};
        for (const [q,p] of Object.entries(players)) {
                if (p.on_field_since === null) {
@@ -1796,6 +1844,11 @@ q                } else {
                        ++map[gender];
                }
        }
+       return map;
+}
+
+function find_gender_ratio_code(players) {
+       let map = find_gender_ratio(players);
        let all_genders = Array.from(Object.keys(map)).sort(
                (a,b) => {
                        if (map[a] !== map[b]) {
@@ -1820,6 +1873,31 @@ q                } else {
        return code;
 }
 
+// null if none (e.g., if playing 3–3).
+function find_predominant_gender(players) {
+       let max = 0;
+       let predominant_gender = null;
+       for (const [gender, num] of Object.entries(find_gender_ratio(players))) {
+               if (num > max) {
+                       max = num;
+                       predominant_gender = gender;
+               } else if (num == max) {
+                       predominant_gender = null;  // At least two have the same.
+               }
+       }
+       return predominant_gender;
+}
+
+function find_num_players_on_field(players) {
+       let num = 0;
+       for (const [q,p] of Object.entries(players)) {
+               if (p.on_field_since !== null) {
+                       ++num;
+               }
+       }
+       return num;
+}
+
 function filter_passes(players, formations_used_this_point, last_pull_was_ours, filter) {
        if (filter.type === 'player_any') {
                for (const p of Array.from(filter.elements)) {