1 files changed, 140 insertions, 0 deletions
diff --git a/src/field_message_box.c b/src/field_message_box.c
new file mode 100644
index 000000000..1909fd398
--- /dev/null
+++ b/src/field_message_box.c
@@ -0,0 +1,140 @@
+#include "global.h"
+#include "gflib.h"
+#include "new_menu_helpers.h"
+#include "quest_log.h"
+#include "script.h"
+#include "text_window.h"
+
+static EWRAM_DATA u8 sMessageBoxType = 0;
+
+static void textbox_fdecode_auto_and_task_add(const u8 *str);
+static void textbox_auto_and_task_add(void);
+
+void sub_8069348(void)
+{
+    sMessageBoxType = 0;
+    gTextFlags.canABSpeedUpPrint = FALSE;
+    gTextFlags.useAlternateDownArrow = FALSE;
+    gTextFlags.autoScroll = FALSE;
+}
+
+static void Task_RunFieldMessageBoxPrinter(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+    case 0:
+        if (gQuestLogState == QL_STATE_2)
+        {
+            gTextFlags.autoScroll = TRUE;
+            TextWindow_LoadTilesStdFrame1(0, 0x200);
+        }
+        else if (!IsMsgSignPost())
+        {
+            LoadStdWindowFrameGfx();
+        }
+        else
+        {
+            LoadSignPostWindowFrameGfx();
+        }
+        task->data[0]++;
+        break;
+    case 1:
+        DrawDialogueFrame(0, TRUE);
+        task->data[0]++;
+        break;
+    case 2:
+        if (RunTextPrinters_CheckPrinter0Active() != TRUE)
+        {
+            sMessageBoxType = 0;
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+static void task_add_textbox(void)
+{
+    CreateTask(Task_RunFieldMessageBoxPrinter, 80);
+}
+
+static void task_del_textbox(void)
+{
+    u8 taskId = FindTaskIdByFunc(Task_RunFieldMessageBoxPrinter);
+    if (taskId != 0xFF)
+        DestroyTask(taskId);
+}
+
+bool8 ShowFieldMessage(const u8 *str)
+{
+    if (sMessageBoxType != 0)
+        return FALSE;
+    textbox_fdecode_auto_and_task_add(str);
+    sMessageBoxType = 2;
+    return TRUE;
+}
+
+bool8 ShowFieldAutoScrollMessage(const u8 *str)
+{
+    if (sMessageBoxType != 0)
+        return FALSE;
+    sMessageBoxType = 3;
+    textbox_fdecode_auto_and_task_add(str);
+    return TRUE;
+}
+
+bool8 sub_806948C(const u8 *str)
+{
+    sMessageBoxType = 3;
+    textbox_fdecode_auto_and_task_add(str);
+    return TRUE;
+}
+
+bool8 sub_80694A4(const u8 *str)
+{
+    if (sMessageBoxType != 0)
+        return FALSE;
+    sMessageBoxType = 2;
+    textbox_auto_and_task_add();
+    return TRUE;
+}
+
+static void textbox_fdecode_auto_and_task_add(const u8 *str)
+{
+    StringExpandPlaceholders(gStringVar4, str);
+    AddTextPrinterDiffStyle(TRUE);
+    task_add_textbox();
+}
+
+static void textbox_auto_and_task_add(void)
+{
+    AddTextPrinterDiffStyle(TRUE);
+    task_add_textbox();
+}
+
+void HideFieldMessageBox(void)
+{
+    task_del_textbox();
+    ClearDialogWindowAndFrame(0, TRUE);
+    sMessageBoxType = 0;
+}
+
+u8 textbox_any_visible(void)
+{
+    return sMessageBoxType;
+}
+
+bool8 IsFieldMessageBoxHidden(void)
+{
+    if (sMessageBoxType == 0)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+void sub_8069538(void)
+{
+    task_del_textbox();
+    DrawStdWindowFrame(0, TRUE);
+    sMessageBoxType = 0;
+}