Original Racing Scores Functionality (#257)

Author: FinnHornhoover

src/Racing.cpp

@@ -66,7 +66,7 @@ static void racingCancel(CNSocket* sock, CNPacketData* data) {
     INITSTRUCT(sP_FE2CL_REP_EP_RACE_CANCEL_SUCC, resp);
     sock->sendPacket(resp, P_FE2CL_REP_EP_RACE_CANCEL_SUCC);
 
-    /* 
+    /*
      * This request packet is used for both cancelling the race via the
      * NPC at the start, *and* failing the race by running out of time.
      * If the latter is to happen, the client disables movement until it
@@ -99,31 +99,37 @@ static void racingEnd(CNSocket* sock, CNPacketData* data) {
     if (EPData.find(mapNum) == EPData.end() || EPData[mapNum].EPID == 0)
         return; // IZ not found
 
+    EPInfo& epInfo = EPData[mapNum];
+    EPRace& epRace = EPRaces[sock];
+
     uint64_t now = getTime() / 1000;
+    int timeDiff = now - epRace.startTime;
+    int podsCollected = epRace.collectedRings.size();
 
-    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;
+    int score = std::min(epInfo.maxScore, (int)std::exp(
+        (epInfo.podFactor * podsCollected) / epInfo.maxPods
+        - (epInfo.timeFactor * timeDiff) / epInfo.maxTime
+        + epInfo.scaleFactor));
+    int fm = (1.0 + std::exp(epInfo.scaleFactor - 1.0) * epInfo.podFactor * podsCollected) / epInfo.maxPods;
 
     // 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

@@ -7,7 +7,11 @@
 #include <set>
 
 struct EPInfo {
-    int zoneX, zoneY, EPID, maxScore, maxTime;
+    // available through XDT (maxScore may be updated by drops)
+    int zoneX, zoneY, EPID, maxScore;
+    // available through drops
+    int maxTime, maxPods;
+    double scaleFactor, podFactor, timeFactor;
 };
 
 struct EPRace {

src/TableData.cpp

@@ -375,7 +375,7 @@ static void loadPaths(json& pathData, int32_t* nextId) {
             Transport::NPCPaths.push_back(pathTemplate);
         }
         std::cout << "[INFO] Loaded " << Transport::NPCPaths.size() << " NPC paths" << std::endl;
-        
+
     }
     catch (const std::exception& err) {
         std::cerr << "[FATAL] Malformed paths.json file! Reason:" << err.what() << std::endl;
@@ -584,8 +584,17 @@ static void loadDrops(json& dropData) {
                 continue;
             }
 
-            // time limit isn't stored in the XDT, so we include it in the reward table instead
-            Racing::EPData[EPMap].maxTime = race["TimeLimit"];
+            EPInfo& epInfo = Racing::EPData[EPMap];
+
+            // max score is specified in the XDT, but can be updated if specified in the drops JSON
+            epInfo.maxScore = (int)race["ScoreCap"];
+            // time limit and total pods are not stored in the XDT, so we include it in the drops JSON
+            epInfo.maxTime = (int)race["TimeLimit"];
+            epInfo.maxPods = (int)race["TotalPods"];
+            // IZ-specific calculated constants included in the drops JSON
+            epInfo.scaleFactor = (double)race["ScaleFactor"];
+            epInfo.podFactor = (double)race["PodFactor"];
+            epInfo.timeFactor = (double)race["TimeFactor"];
 
             // score cutoffs
             std::vector<int> rankScores;
@@ -686,7 +695,7 @@ static void loadEggs(json& eggData, int32_t* nextId) {
     }
 }
 
-/* 
+/*
  * Load gruntwork output, if it exists
  */
 static void loadGruntworkPre(json& gruntwork, int32_t* nextId) {
@@ -1361,7 +1370,7 @@ void TableData::flush() {
             targetIDs.push_back(tID);
         for (int32_t tType : path.targetTypes)
             targetTypes.push_back(tType);
-        
+
         pathObj["iBaseSpeed"] = path.speed;
         pathObj["iTaskID"] = path.escortTaskID;
         pathObj["bRelative"] = path.isRelative;