More work on basic turn layout.

src/Battling/Models/BattleSide.cpp

@@ -34,3 +34,11 @@ void BattleSide::SetChoice(const BaseTurnChoice *choice) {
 void BattleSide::SetCreature(Creature *creature, uint8_t index) {
     _creatures[index] = creature;
 }
+
+bool BattleSide::CreatureOnSide(const Creature *creature) const {
+    return std::find(_creatures.begin(), _creatures.end(), creature) != _creatures.end();
+}
+
+Creature *BattleSide::GetCreature(uint8_t index) const {
+    return _creatures[index];
+}