Conversation code cleaned up a lot.

include/dawn/display/animation/queue.h

@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../../libs.h"
+
+#define ANIMATION_QUEUE_ITEM_MAX 128
+#define ANIMATION_QUEUE_START 0xFF
+
+typedef struct _queueaction_t queueaction_t;
+typedef struct _queue_t queue_t;
+
+/**
+ * Callback for queue events.
+ * @param conversation Conversation this text is attached to.
+ * @param text Text item that is being used in the callback
+ * @param i Index of the item in the queue.
+ */
+typedef void queuecallback_t(queue_t *queue, queueaction_t *action, uint8_t i);
+
+typedef struct _queueaction_t {
+  /** Index that the action is within the queue */
+  uint8_t index;
+
+  /** Pointer to any custom user data */
+  void *data;
+
+  /** Callback to fire the moment the action is active in the queue */
+  queuecallback_t *onStart;
+
+  /** Callback to fire when this action has ended */
+  queuecallback_t *onEnd;
+
+  /** Callback to fire every update of this queue while action is active. */
+  queuecallback_t *onUpdate;
+} queueaction_t;
+
+typedef struct _queue_t {
+  /** Array of items within the queue. */
+  queueaction_t items[ANIMATION_QUEUE_ITEM_MAX];
+  uint8_t count;
+
+  /** Current index within the array of actions that is currently processing */
+  uint8_t current;
+  
+  /** Internal timeline tracking */
+  float timeline;
+
+  /** Time that the current aciton started */
+  float actionStarted;
+
+  /** Delay Queue Item Storage */
+  float delays[ANIMATION_QUEUE_ITEM_MAX];
+} queue_t;