Core/Arena: Create more arena configs (#97)

src/game/Battlegrounds/ArenaTeam.cpp

@@ -655,7 +655,7 @@ int32 ArenaTeam::GetMatchmakerRatingMod(uint32 ownRating, uint32 opponentRating,
     */
 
     // Real rating modification
-    mod *= 24.0f;
+    mod *= sWorld->getFloatConfig(CONFIG_ARENA_MATCHMAKER_RATING_MODIFIER);
 
     return (int32)ceil(mod);
 }
@@ -665,21 +665,27 @@ int32 ArenaTeam::GetRatingMod(uint32 ownRating, uint32 opponentRating, bool won
     // 'Chance' calculation - to beat the opponent
     // This is a simulation. Not much info on how it really works
     float chance = GetChanceAgainst(ownRating, opponentRating);
-    float won_mod = (won) ? 1.0f : 0.0f;
 
     // Calculate the rating modification
     float mod;
 
     // TODO: Replace this hack with using the confidence factor (limiting the factor to 2.0f)
-    if (won && ownRating < 1300)
+    if (won)
     {
-        if (ownRating < 1000)
+        if (ownRating < 1300)
-            mod = 48.0f * (won_mod - chance);
+        {
+            float win_rating_modifier1 = sWorld->getFloatConfig(CONFIG_ARENA_WIN_RATING_MODIFIER_1);
+            
+            if (ownRating < 1000)
+                mod =  win_rating_modifier1 * (1.0f - chance);
+            else
+                mod = ((win_rating_modifier1 / 2.0f) + ((win_rating_modifier1 / 2.0f) * (1300.0f - float(ownRating)) / 300.0f)) * (1.0f - chance);
+        }
         else
-            mod = (24.0f + (24.0f * (1300.0f - float(ownRating)) / 300.0f)) * (won_mod - chance);
+            mod = sWorld->getFloatConfig(CONFIG_ARENA_WIN_RATING_MODIFIER_2) * (1.0f - chance);
     }
     else
-        mod = 24.0f * (won_mod - chance);
+        mod = sWorld->getFloatConfig(CONFIG_ARENA_LOSE_RATING_MODIFIER) * (-chance);
 
     return (int32)ceil(mod);
 }

src/game/World/World.cpp

@@ -1071,6 +1071,10 @@ void World::LoadConfigSettings(bool reload)
     m_int_configs[CONFIG_ARENA_START_PERSONAL_RATING]                = sConfigMgr->GetIntDefault ("Arena.ArenaStartPersonalRating", 1000);
     m_int_configs[CONFIG_ARENA_START_MATCHMAKER_RATING]              = sConfigMgr->GetIntDefault ("Arena.ArenaStartMatchmakerRating", 1500);
     m_bool_configs[CONFIG_ARENA_SEASON_IN_PROGRESS]                  = sConfigMgr->GetBoolDefault("Arena.ArenaSeason.InProgress", true);
+    m_float_configs[CONFIG_ARENA_WIN_RATING_MODIFIER_1] = sConfigMgr->GetFloatDefault("Arena.ArenaWinRatingModifier1", 48.0f);
+    m_float_configs[CONFIG_ARENA_WIN_RATING_MODIFIER_2] = sConfigMgr->GetFloatDefault("Arena.ArenaWinRatingModifier2", 24.0f);
+    m_float_configs[CONFIG_ARENA_LOSE_RATING_MODIFIER] = sConfigMgr->GetFloatDefault("Arena.ArenaLoseRatingModifier", 24.0f);
+    m_float_configs[CONFIG_ARENA_MATCHMAKER_RATING_MODIFIER] = sConfigMgr->GetFloatDefault("Arena.ArenaMatchmakerRatingModifier", 24.0f);
 
     m_bool_configs[CONFIG_OFFHAND_CHECK_AT_SPELL_UNLEARN]            = sConfigMgr->GetBoolDefault("OffhandCheckAtSpellUnlearn", true);
 

src/game/World/World.h

@@ -173,6 +173,10 @@ enum WorldFloatConfigs
     CONFIG_CREATURE_FAMILY_FLEE_ASSISTANCE_RADIUS,
     CONFIG_CREATURE_FAMILY_ASSISTANCE_RADIUS,
     CONFIG_CHANCE_OF_GM_SURVEY,
+    CONFIG_ARENA_WIN_RATING_MODIFIER_1,
+    CONFIG_ARENA_WIN_RATING_MODIFIER_2,
+    CONFIG_ARENA_LOSE_RATING_MODIFIER,
+    CONFIG_ARENA_MATCHMAKER_RATING_MODIFIER,
     FLOAT_CONFIG_VALUE_COUNT
 };
 

src/worldserver/worldserver.conf.dist

@@ -2666,6 +2666,39 @@ Arena.ArenaStartPersonalRating = 0
 
 Arena.ArenaStartMatchmakerRating = 1500
 
+#
+#    Arena.ArenaWinRatingModifier1
+#        Description: Modifier of rating addition when winner team rating is less than 1300
+#                     be aware that from 1000 to 1300 it gradually decreases automatically down to the half of it
+#                     (increasing this value will give more rating)
+#        Default:     48
+
+Arena.ArenaWinRatingModifier1 = 48
+
+#
+#    Arena.ArenaWinRatingModifier2
+#        Description: Modifier of rating addition when winner team rating is equal or more than 1300
+#                     (increasing this value will give more rating)
+#        Default:     24
+
+Arena.ArenaWinRatingModifier2 = 24
+
+
+#
+#    Arena.ArenaLoseRatingModifier
+#        Description: Modifier of rating subtraction for loser team
+#                     (increasing this value will subtract more rating)
+#        Default:     24
+
+Arena.ArenaLoseRatingModifier = 24
+
+#
+#    Arena.ArenaMatchmakerRatingModifier
+#        Description: Modifier of matchmaker rating
+#        Default:     24
+
+Arena.ArenaMatchmakerRatingModifier = 24
+
 #
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