Still working on my scrolling text and bug fixing.

include/dawn/display/animation/timeline.h

@@ -8,15 +8,24 @@
 #pragma once
 #include "../../libs.h"
 
-#define TIMELINE_ACTION_COUNT_MAX 128
+/** Maximum number of actions a timeline can support, smaller than 0xFF */
+#define TIMELINE_ACTION_COUNT_MAX 32
 
-/** Type forwarder for timeline_t */
+/** Type forwarders */
 typedef struct _timeline_t timeline_t;
+typedef struct _timelineaction_t timelineaction_t;
 
-/** Callback for when a timeline event occurs */
-typedef void timelinecallback_t(timeline_t*);
+/**
+ * Callback for when a timeline event occurs
+ * @param timeline The timeline that fired this callback.
+ * @param action The action that this callback is attached to.
+ * @param i The index that this action is within the timeline.
+ */
+typedef void timelinecallback_t(timeline_t *timeline, timelineaction_t *action,
+  uint8_t i
+);
 
-typedef struct test_t {
+typedef struct _timelineaction_t {
   /**
    * The time that this action should occur within the timeline
    * set to 0 or less to start immediately.
@@ -33,6 +42,13 @@ typedef struct test_t {
    */
   float duration;
 
+  /**
+   * Enables animation looping. This works by forcing start to be equal to the
+   * current time at the point in time that onEnd is called. This will also stop
+   * onStart being called so ensure that your onStart and onEnd logic works.
+   */
+  bool loop;
+
   timelinecallback_t *onStart;
   timelinecallback_t *onDuration;
   timelinecallback_t *onEnd;

include/dawn/display/gui/font.h

@@ -25,7 +25,7 @@
 #define FONT_FILL_MODE 1
 
 /** Passed to STBTT for scaling the font nicely, essentially the font size. */
-#define FONT_TEXTURE_SIZE 112
+#define FONT_TEXTURE_SIZE 32
 
 // Chars
 #define FONT_NEWLINE '\n'
@@ -36,25 +36,41 @@
 #define FONT_INITIAL_LINE FONT_LINE_HEIGHT*0.75
 #define FONT_SPACE_SIZE FONT_TEXTURE_SIZE*0.45
 
+/** Maximum number of characters a font text info can hold. */
+#define FONT_TEXT_INFO_CHARS_MAX 1024
+
+/** Maximum number of newlines that a font text info can hold. */
+#define FONT_TEXT_INFO_LINES_MAX FONT_TEXT_INFO_CHARS_MAX/50
+
 /** Representation of a font that can be used to render text */
 typedef struct {
   texture_t texture;
   stbtt_bakedchar characterData[FONT_NUM_CHARS];
 } font_t;
 
+typedef struct {
+  /** What (real character) index the line starts at */
+  int32_t start;
+  /** How many (real) characters the line is in length */
+  int32_t length;
+} fonttextinfoline_t;
+
 typedef struct {
   /** How many raw chars are in the string */
   int32_t length;
 
-  /** How many rendered chars are in the string */
+  /** How many real characters (non whitespace) are in the string */
   int32_t realLength;
 
   /** How many lines is the string? Trailing newlines will count */
-  int32_t lines;
+  int32_t lineCount;
+
+  /** The real character info for each line */
+  fonttextinfoline_t lines[FONT_TEXT_INFO_LINES_MAX];
 
   /** Dimensions of the string */
   float width, height;
 
   /** Array of precalculated quads */
-  stbtt_aligned_quad *quads;
+  stbtt_aligned_quad quads[FONT_TEXT_INFO_CHARS_MAX];
 } fonttextinfo_t;