Working on some visual novel elements

include/dawn/vn/vntextbox.h

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+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+#include "../display/animation/timeline.h"
+#include "../display/gui/font.h"
+
+/** Amount of characters scrolled, per second */
+#define VN_TEXTBOX_SCROLL_SPEED 60
+
+#define VN_TEXTBOX_STATE_CLOSED 0x01
+
+typedef struct {
+  /** Stores the maximum width that this textbox can take up */
+  float widthMax;
+
+  /** Font that the text box uses */
+  font_t *font;
+
+  /** Box State Flags */
+  uint8_t state;
+
+  /** How many rows of text at most can be displayed in a single text box */
+  int32_t linesMax;
+  int32_t lineCurrent;
+
+  /** X, Y Position of the textbox */
+  float x, y;
+
+  /** Animation of the textbox */
+  float textScroll;
+
+  /** Information about the current rendered text */
+  fonttextinfo_t textInfo;
+
+  /** Primitive to hold talking text */
+  primitive_t primitive;
+
+  // Testing assets
+  primitive_t testPrimitive;
+  texture_t testTexture;
+
+  /** Current spoken text, tracked in-case of re-render */
+  char *text;
+} vntextbox_t;