Add inventory.

archive/rpg/rpgtextbox.c

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "rpgtextbox.h"
+#include "util/memory.h"
+#include "util/string.h"
+#include "assert/assert.h"
+
+rpgtextbox_t RPG_TEXTBOX;
+
+void rpgTextboxInit() {
+  memoryZero(&RPG_TEXTBOX, sizeof(rpgtextbox_t));
+}
+
+void rpgTextboxShow(
+  const rpgtextboxpos_t position,
+  const char_t *text
+) {
+  RPG_TEXTBOX.position = position;
+  RPG_TEXTBOX.visible = true;
+
+  stringCopy(
+    RPG_TEXTBOX.text,
+    text,
+    RPG_TEXTBOX_MAX_CHARS
+  );
+}
+
+void rpgTextboxHide() {
+  RPG_TEXTBOX.visible = false;
+}
+
+bool_t rpgTextboxIsVisible() {
+  return RPG_TEXTBOX.visible;
+}