[MOD] INT Based Learning (#37075)

data/json/game_balance.json

@@ -194,5 +194,12 @@
     "info": "Stats through Kills.  A mod that allows your stats to increase by killing zombies.",
     "stype": "bool",
     "value": false
+  },
+  {
+    "type": "EXTERNAL_OPTION",
+    "name": "INT_BASED_LEARNING",
+    "info": "INT Based Learning mod. Enables rebalance of practice and reading gains.",
+    "stype": "bool",
+    "value": false
   }
 ]

data/mods/intbasedlearning/modinfo.json

@@ -0,0 +1,22 @@
+[
+  {
+    "type": "MOD_INFO",
+    "ident": "intbasedlearning",
+    "name": "INT Based Learning",
+    "authors": [ "1n17" ],
+    "maintainers": [ "1n17" ],
+    "description": "Learning through practice and reading is highly dependent on INT and focus. Respective traits are disabled.",
+    "category": "rebalance",
+    "dependencies": [ "dda" ]
+  },
+  {
+    "type": "EXTERNAL_OPTION",
+    "name": "INT_BASED_LEARNING",
+    "stype": "bool",
+    "value": true
+  },
+  {
+    "type": "TRAIT_BLACKLIST",
+    "traits": [ "SLOWLEARNER", "FASTLEARNER" ]
+  }
+]

src/avatar.cpp

@@ -776,6 +776,10 @@ void avatar::do_read( item &book )
             if( has_active_bionic( bio_memory ) ) {
                 min_ex += 2;
             }
+            if( get_option<bool>( "INT_BASED_LEARNING" ) ) {
+                min_ex = adjust_for_focus( min_ex );
+                max_ex = adjust_for_focus( max_ex );
+            }
             if( max_ex < 2 ) {
                 max_ex = 2;
             }

src/player.cpp

@@ -5575,6 +5575,9 @@ int player::adjust_for_focus( int amount ) const
     if( has_trait( trait_SLOWLEARNER ) ) {
         effective_focus -= 15;
     }
+    if( get_option<bool>( "INT_BASED_LEARNING" ) ) {
+        effective_focus += ( get_int_base() - 8 ) * 5;
+    }
     double tmp = amount * ( effective_focus / 100.0 );
     return roll_remainder( tmp );
 }