Added Helper function to ChoiceQueue to move a specific creature's choice up next.

src/Battling/Flow/ChoiceQueue.cpp

@@ -1 +1,28 @@
 #include "ChoiceQueue.hpp"
+
+bool CreatureLib::Battling::ChoiceQueue::MoveCreatureChoiceNext(CreatureLib::Battling::Creature* creature) {
+    // Find which index the creature choice is at.
+    size_t choiceIndex = -1;
+    for (size_t index = _current; index < _queue.size(); index++) {
+        if (_queue.at(index)->GetUser() == creature) {
+            // If the creature choice is already next up, return.
+            if (index == _current)
+                return false;
+            choiceIndex = index;
+        }
+    }
+    // If the creature has no choice anymore, return.
+    if (choiceIndex == -1)
+        return false;
+
+    // Save the pointer to the creature choice.
+    auto creatureChoice = _queue[choiceIndex];
+    // Starting at the position before the current creature choice, and iterating backwards up till the current choice.
+    for (size_t i = choiceIndex - 1; i >= _current && i != SIZE_MAX; i--) {
+        // Place everything in one spot later.
+        _queue[i + 1] = _queue[i];
+    }
+    // Set the creature choice up next.
+    _queue[_current] = creatureChoice;
+    return true;
+}