added alternate racing score funcitonality

src/Racing.cpp

@@ -97,31 +97,47 @@ static void racingEnd(CNSocket* sock, CNPacketData* data) {
     if (EPData.find(mapNum) == EPData.end() || EPData[mapNum].EPID == 0)
         return; // IZ not found
 
-    uint64_t now = getTime() / 1000;
+    EPInfo& epInfo = EPData[mapNum];
+    EPRace& epRace = EPRaces[sock];
+    // if there are no divide-by-zero dangers, and at least one factor has been specified
+    // we switch over to OG scoring
+    bool useOGScoring = (epInfo.maxPods > 0) && (epInfo.maxTime > 0) && (
+        (epInfo.scaleFactor > 0.0) || (epInfo.podFactor > 0.0) || (epInfo.timeFactor > 0.0));
 
-    int timeDiff = now - EPRaces[sock].startTime;
-    int score = 500 * EPRaces[sock].collectedRings.size() - 10 * timeDiff;
-    if (score < 0) score = 0; // lol
-    int fm = score * plr->level * (1.0f / 36) * 0.3f;
+    uint64_t now = getTime() / 1000;
+    int timeDiff = now - epRace.startTime;
+    int podsCollected = epRace.collectedRings.size();
+    int score = 0, fm = 0;
+
+    if (useOGScoring) {
+        score = std::min(epInfo.maxScore, (int)std::exp(
+            (epInfo.podFactor * podsCollected) / epInfo.maxPods
+            - (epInfo.timeFactor * timeDiff) / epInfo.maxTime
+            + epInfo.scaleFactor));
+        fm = (1.0 + std::exp(epInfo.scaleFactor - 1.0) * epInfo.podFactor * podsCollected) / epInfo.maxPods;
+    } else {
+        score = std::max(0, 500 * podsCollected - 10 * timeDiff);
+        fm = score * plr->level * (1.0f / 36) * 0.3f;
+    }
 
     // we submit the ranking first...
     Database::RaceRanking postRanking = {};
-    postRanking.EPID = EPData[mapNum].EPID;
+    postRanking.EPID = epInfo.EPID;
     postRanking.PlayerID = plr->iID;
-    postRanking.RingCount = EPRaces[sock].collectedRings.size();
+    postRanking.RingCount = podsCollected;
     postRanking.Score = score;
     postRanking.Time = timeDiff;
     postRanking.Timestamp = getTimestamp();
     Database::postRaceRanking(postRanking);
 
     // ...then we get the top ranking, which may or may not be what we just submitted
-    Database::RaceRanking topRankingPlayer = Database::getTopRaceRanking(EPData[mapNum].EPID, plr->iID);
+    Database::RaceRanking topRankingPlayer = Database::getTopRaceRanking(epInfo.EPID, plr->iID);
 
     INITSTRUCT(sP_FE2CL_REP_EP_RACE_END_SUCC, resp);
 
     // get rank scores and rewards
-    std::vector<int>* rankScores = &EPRewards[EPData[mapNum].EPID].first;
-    std::vector<int>* rankRewards = &EPRewards[EPData[mapNum].EPID].second;
+    std::vector<int>* rankScores = &EPRewards[epInfo.EPID].first;
+    std::vector<int>* rankRewards = &EPRewards[epInfo.EPID].second;
 
     // top ranking
     int topRank = 0;

src/Racing.hpp

@@ -5,7 +5,11 @@
 #include "servers/CNShardServer.hpp"
 
 struct EPInfo {
-    int zoneX, zoneY, EPID, maxScore, maxTime;
+    // available through XDT (maxScore may be updated by drops)
+    int zoneX, zoneY, EPID, maxScore;
+    // (maybe) available through drops
+    int maxTime = 0, maxPods = 0;
+    double scaleFactor = 0.0, podFactor = 0.0, timeFactor = 0.0;
 };
 
 struct EPRace {

src/TableData.cpp

@@ -572,8 +572,35 @@ static void loadDrops(json& dropData) {
                 continue;
             }
 
+            EPInfo& epInfo = Racing::EPData[EPMap];
+
             // time limit isn't stored in the XDT, so we include it in the reward table instead
-            Racing::EPData[EPMap].maxTime = race["TimeLimit"];
+            epInfo.maxTime = (int)race["TimeLimit"];
+
+            // update max score (if present)
+            if (race.find("ScoreCap") != race.end()) {
+                epInfo.maxScore = (int)race["ScoreCap"];
+            }
+
+            // update max pods (if present)
+            if (race.find("TotalPods") != race.end()) {
+                epInfo.maxPods = (int)race["TotalPods"];
+            }
+
+            // update scale factor (if present)
+            if (race.find("ScaleFactor") != race.end()) {
+                epInfo.scaleFactor = (double)race["ScaleFactor"];
+            }
+
+            // update pod factor (if present)
+            if (race.find("PodFactor") != race.end()) {
+                epInfo.podFactor = (double)race["PodFactor"];
+            }
+
+            // update time factor (if present)
+            if (race.find("TimeFactor") != race.end()) {
+                epInfo.timeFactor = (double)race["TimeFactor"];
+            }
 
             // score cutoffs
             std::vector<int> rankScores;