Support Pokemon style experience gain.

src/Battling/Library/BattleLibrary.hpp

@@ -4,6 +4,7 @@
 #include <CreatureLib/Battling/Library/BattleLibrary.hpp>
 #include "../../Library/PokemonLibrary.hpp"
 #include "DamageLibrary.hpp"
+#include "ExperienceLibrary.hpp"
 #include "MiscLibrary.hpp"
 #include "StatCalculator.hpp"
 
@@ -11,7 +12,7 @@ namespace PkmnLib::Battling {
     class BattleLibrary : public CreatureLib::Battling::BattleLibrary {
     public:
         BattleLibrary(Library::PokemonLibrary* staticLib, StatCalculator* statCalculator, DamageLibrary* damageLibrary,
-                      CreatureLib::Battling::ExperienceLibrary* experienceLibrary,
+                      PkmnLib::Battling::ExperienceLibrary* experienceLibrary,
                       CreatureLib::Battling::ScriptResolver* scriptResolver,
                       PkmnLib::Battling::MiscLibrary* miscLibrary)
             : CreatureLib::Battling::BattleLibrary(staticLib, statCalculator, damageLibrary, experienceLibrary,

src/Battling/Library/ExperienceLibrary.cpp

@@ -0,0 +1,23 @@
+#include "ExperienceLibrary.hpp"
+#include "../PkmnScriptHook.hpp"
+#include "../Pokemon/Pokemon.hpp"
+
+void PkmnLib::Battling::ExperienceLibrary::HandleExperienceGain(
+    CreatureLib::Battling::Creature* faintedMon,
+    const std::unordered_set<CreatureLib::Battling::Creature*>& opponents) const {
+
+    auto fainted = dynamic_cast<Pokemon*>(faintedMon);
+    auto expGain = fainted->GetPokemonSpecies()->GetExperienceGains();
+    auto level = fainted->GetLevel();
+    // TODO exp share
+
+    auto v1 = (expGain * level) / 5;
+
+    for (auto op : opponents) {
+        auto v2 = pow(2 * level + 10, 2.5) / pow(level + op->GetLevel() + 10, 2.5);
+        uint32_t experienceGain = v1 * v2 + 1;
+        // TODO: Check owner and international
+        PKMN_HOOK(ModifyExperienceGain, op, faintedMon, op, experienceGain);
+        op->AddExperience(experienceGain);
+    }
+}

src/Battling/Library/ExperienceLibrary.hpp

@@ -0,0 +1,13 @@
+#ifndef PKMNLIB_EXPERIENCELIBRARY_HPP
+#define PKMNLIB_EXPERIENCELIBRARY_HPP
+
+#include <CreatureLib/Battling/Library/ExperienceLibrary.hpp>
+namespace PkmnLib::Battling {
+    class ExperienceLibrary : public CreatureLib::Battling::ExperienceLibrary {
+    public:
+        void HandleExperienceGain(CreatureLib::Battling::Creature* faintedMon,
+                                  const std::unordered_set<CreatureLib::Battling::Creature*>& opponents) const override;
+    };
+}
+
+#endif // PKMNLIB_EXPERIENCELIBRARY_HPP