PantheonPrototype.DialogueManager.Update C# (CSharp) Method

        public void Update(GameTime gameTime, Pantheon gameReference)
        {
            LinkedListNode<TextBubble> currentNode;

            // Update the states...
            foreach (string key in this.npcStates.Keys)
            {
                if (!gameReference.currentLevel.Entities.Keys.Contains(key)) continue; // BAD, FIX

                Entity theEntity = gameReference.currentLevel.Entities[key];

                switch (this.npcStates[key])
                {
                    case DialogueManager.STATE_NONE:
                        if (this.npcStateBubbles[key] != null)
                        {
                            this.npcStateBubbles[key].isReadyForDeletion = true;
                            this.npcStateBubbles[key] = null;
                        }

                        break;

                    case DialogueManager.STATE_TALKING: // DON'T INTERRUPT, IT'S RUDE
                        if (this.npcStateBubbles[key] != null)
                        {
                            this.npcStateBubbles[key].isReadyForDeletion = true;
                            this.npcStateBubbles[key] = null;
                        }

                        break;

                    case DialogueManager.STATE_ALERT:
                        if (this.npcStateBubbles[key] == null)
                        {
                            this.npcStateBubbles[key] = new TextBubble(theEntity, "!");
                        }
                        else if (this.npcStateBubbles[key].Text != "!")
                        {
                            this.npcStateBubbles[key].isReadyForDeletion = true;
                            this.npcStateBubbles[key] = new TextBubble(theEntity, "!");
                        }

                        break;

                    case DialogueManager.STATE_TALKABLE:
                        if (this.npcStateBubbles[key] == null)
                        {
                            this.npcStateBubbles[key] = new TextBubble(theEntity, "...");
                        }
                        else if (this.npcStateBubbles[key].Text != "...")
                        {
                            this.npcStateBubbles[key].isReadyForDeletion = true;
                            this.npcStateBubbles[key] = new TextBubble(theEntity, "...");
                        }

                        break;
                }

                if(this.npcStateBubbles[key] != null)
                    this.npcStateBubbles[key].Update(gameTime, gameReference);
            }

            // Update each of the text bubbles...
            currentNode = this.activeTextBubbles.First;
            while (currentNode != null)
            {
                LinkedListNode<TextBubble> next = currentNode.Next;

                currentNode.Value.Update(gameTime, gameReference);

                if (currentNode.Value.isReadyForDeletion)
                    this.activeTextBubbles.Remove(currentNode);

                currentNode = next;
            }
        }