Battle: Support certain Maniac Battle Hooks in 2k battle

ATB is e.g. not supported as 2k does not use a ATB system.

Author: Ghabry

src/scene_battle.cpp

@@ -570,6 +570,21 @@ void Scene_Battle::RemoveCurrentAction() {
 void Scene_Battle::ActionSelectedCallback(Game_Battler* for_battler) {
 	assert(for_battler->GetBattleAlgorithm() != nullptr);
 
+	auto single_target = for_battler->GetBattleAlgorithm()->GetOriginalSingleTarget();
+	auto group_targets = for_battler->GetBattleAlgorithm()->GetOriginalPartyTarget();
+	// Target: 0 None, 1 Single Enemy, 2 All Enemies, 3 Single Ally, 4 All Allies
+	Game_Battle::ManiacBattleHook(
+		Game_Interpreter_Battle::ManiacBattleHookType::Targetting,
+		for_battler->GetType() == Game_Battler::Type_Enemy,
+		for_battler->GetPartyIndex(),
+		for_battler->GetBattleAlgorithm()->GetActionType(),
+		for_battler->GetBattleAlgorithm()->GetActionId(),
+		single_target
+			? (single_target->GetType() != Game_Battler::Type_Enemy ? 1 : 3)
+			: (group_targets->GetRandomActiveBattler()->GetType() != Game_Battler::Type_Enemy ? 2 : 4),
+		single_target ? single_target->GetPartyIndex() : 0
+	);
+
 	if (for_battler->GetBattleAlgorithm() == nullptr) {
 		Output::Warning("ActionSelectedCallback: Invalid action for battler {} ({})",
 				for_battler->GetId(), for_battler->GetName());

src/scene_battle_rpg2k.cpp

@@ -205,6 +205,12 @@ void Scene_Battle_Rpg2k::vUpdate() {
 			break;
 		}
 
+		// this is checked separately because we want normal events to be processed
+		// just not sub-events called by maniacs battle hooks.
+		if (state != State_Victory && state != State_Defeat && Game_Battle::ManiacProcessSubEvents()) {
+			break;
+		}
+
 		if (!CheckWait()) {
 			break;
 		}

src/scene_battle_rpg2k3.cpp

@@ -2853,21 +2853,6 @@ void Scene_Battle_Rpg2k3::RowSelected() {
 }
 
 void Scene_Battle_Rpg2k3::ActionSelectedCallback(Game_Battler* for_battler) {
-	auto single_target = for_battler->GetBattleAlgorithm()->GetOriginalSingleTarget();
-	auto group_targets = for_battler->GetBattleAlgorithm()->GetOriginalPartyTarget();
-	// Target: 0 None, 1 Single Enemy, 2 All Enemies, 3 Single Ally, 4 All Allies
-	Game_Battle::ManiacBattleHook(
-		Game_Interpreter_Battle::ManiacBattleHookType::Targetting,
-		for_battler->GetType() == Game_Battler::Type_Enemy,
-		for_battler->GetPartyIndex(),
-		for_battler->GetBattleAlgorithm()->GetActionType(),
-		for_battler->GetBattleAlgorithm()->GetActionId(),
-		single_target
-			? (single_target->GetType() != Game_Battler::Type_Enemy ? 1 : 3)
-			: (group_targets->GetRandomActiveBattler()->GetType() != Game_Battler::Type_Enemy ? 2 : 4),
-		single_target ? single_target->GetPartyIndex() : 0
-	);
-
 	for_battler->SetAtbGauge(0);
 
 	if (for_battler == active_actor) {