Decomp map_name_popup

3 files changed, 279 insertions, 2 deletions

diff --git a/src/item_use.c b/src/item_use.c
index 873ce4ab4..db0475370 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -76,7 +76,68 @@ void sub_80A1D68(u8 taskId);
 void Task_BattleUse_StatBooster_DelayAndPrint(u8 taskId);
 void Task_BattleUse_StatBooster_WaitButton_ReturnToBattle(u8 taskId);
 
-extern void (*const gUnknown_83E2954[])(void);
+// No clue what this is
+static const u8 sUnref_83E27B4[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x40, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x04, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x10, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x20, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x21, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x10, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x40, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x40, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x30, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x40, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x10, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x1f, 0x00, 0xe0, 0x03, 0x00, 0x7c,
+    0xff, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+void (*const gUnknown_83E2954[])(void) = {
+    sub_8124C8C,
+    CB2_ReturnToField,
+    NULL,
+    NULL
+};
 
 void sub_80A0FBC(u8 taskId)
 {
diff --git a/src/map_name_popup.c b/src/map_name_popup.c
new file mode 100644
index 000000000..361c3a931
--- /dev/null
+++ b/src/map_name_popup.c
@@ -0,0 +1,216 @@
+#include "global.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "window.h"
+#include "palette.h"
+#include "task.h"
+#include "event_data.h"
+#include "text_window.h"
+#include "quest_log.h"
+#include "region_map.h"
+#include "text.h"
+#include "strings.h"
+#include "string_util.h"
+#include "constants/flags.h"
+
+static void Task_MapNamePopup(u8 taskId);
+static u16 MapNamePopupCreateWindow(int a0);
+static void MapNamePopupPrintMapNameOnWindow(u16 a0);
+static u8 *MapNamePopupAppendFloorNum(u8 *dest, s8 flags);
+
+void CreateMapNamePopupIfNotAlreadyRunning(int a0)
+{
+    u8 taskId;
+    if (FlagGet(FLAG_SPECIAL_FLAG_0x4000) != TRUE && !(gUnknown_203ADFA == 2 || gUnknown_203ADFA == 3))
+    {
+        taskId = FindTaskIdByFunc(Task_MapNamePopup);
+        if (taskId == 0xFF)
+        {
+            taskId = CreateTask(Task_MapNamePopup, 90);
+            ChangeBgX(0, 0x00000000, 0);
+            ChangeBgY(0, 0xFFFFEF7F, 0);
+            gTasks[taskId].data[0] = 0;
+            gTasks[taskId].data[2] = 0;
+            gTasks[taskId].data[8] = a0;
+        }
+        else
+        {
+            if (gTasks[taskId].data[0] != 4)
+                gTasks[taskId].data[0] = 4;
+            gTasks[taskId].data[3] = 1;
+        }
+    }
+}
+
+static void Task_MapNamePopup(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[4] = MapNamePopupCreateWindow(task->data[8]);
+        task->data[5] = 1;
+        task->data[0] = 1;
+        break;
+    case 1:
+        if (IsDma3ManagerBusyWithBgCopy())
+            break;
+        // fallthrough
+    case 2:
+        task->data[2] -= 2;
+        if (task->data[2] <= -24)
+        {
+            task->data[0] = 3;
+            task->data[1] = 0;
+        }
+        break;
+    case 3:
+        task->data[1]++;
+        if (task->data[1] > 120)
+        {
+            task->data[1] = 0;
+            task->data[0] = 4;
+        }
+        break;
+    case 4:
+        task->data[2] += 2;
+        if (task->data[2] >= 0)
+        {
+            if (task->data[3])
+            {
+                MapNamePopupPrintMapNameOnWindow(task->data[4]);
+                CopyWindowToVram(task->data[4], 2);
+                task->data[0] = 1;
+                task->data[3] = 0;
+            }
+            else
+            {
+                task->data[0] = 6;
+                return;
+            }
+        }
+    case 5:
+        break;
+    case 6:
+        if (task->data[5] && !task->data[6])
+        {
+            rbox_fill_rectangle(task->data[4]);
+            CopyWindowToVram(task->data[4], 1);
+            task->data[6] = 1;
+        }
+        task->data[0] = 7;
+        return;
+    case 7:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            if (task->data[5])
+            {
+                RemoveWindow(task->data[4]);
+                task->data[5] = 0;
+                task->data[7] = 1;
+            }
+            task->data[0] = 8;
+            ChangeBgY(0, 0x00000000, 0);
+        }
+        return;
+    case 8:
+        DestroyTask(taskId);
+        return;
+    }
+    SetGpuReg(REG_OFFSET_BG0VOFS, task->data[2]);
+}
+
+void DismissMapNamePopup(void)
+{
+    u8 taskId;
+    s16 *data;
+    taskId = FindTaskIdByFunc(Task_MapNamePopup);
+    if (taskId != 0xFF)
+    {
+        data = gTasks[taskId].data;
+        if (data[0] < 6)
+            data[0] = 6;
+    }
+}
+
+bool32 IsMapNamePopupTaskActive(void)
+{
+    return FindTaskIdByFunc(Task_MapNamePopup) != 0xFF ? TRUE : FALSE;
+}
+
+static u16 MapNamePopupCreateWindow(int a0)
+{
+    struct WindowTemplate windowTemplate = {
+        .bg = 0,
+        .tilemapLeft = 1,
+        .tilemapTop = 29,
+        .width = 14,
+        .height = 2,
+        .paletteNum = 0xD,
+        .baseBlock = 0x001
+    };
+    u16 windowId;
+    u16 r6 = 0x01D;
+    if (gMapHeader.flags)
+    {
+        if (gMapHeader.flags != 0x7F)
+        {
+            windowTemplate.width += 5;
+            r6 = 0x027;
+        }
+        else
+        {
+            windowTemplate.width += 8;
+            r6 = 0x02D;
+        }
+    }
+    windowId = AddWindow(&windowTemplate);
+    if (a0)
+    {
+        LoadPalette(stdpal_get(3), 0xd0, 0x20);
+    }
+    else
+    {
+        CpuCopy16(stdpal_get(3), &gPlttBufferUnfaded[0xd0], 0x20);
+    }
+    sub_814FF6C(windowId, r6);
+    DrawTextBorderOuter(windowId, r6, 0xD);
+    PutWindowTilemap(windowId);
+    MapNamePopupPrintMapNameOnWindow(windowId);
+    CopyWindowToVram(windowId, 3);
+    return windowId;
+}
+
+static void MapNamePopupPrintMapNameOnWindow(u16 windowId)
+{
+    u8 mapName[25];
+    u32 maxWidth = 112;
+    u32 xpos;
+    u8 *ptr = GetMapName(mapName, gMapHeader.regionMapSectionId, 0);
+    if (gMapHeader.flags)
+    {
+        ptr = MapNamePopupAppendFloorNum(ptr, gMapHeader.flags);
+        maxWidth = gMapHeader.flags != 0x7F ? 152 : 176;
+    }
+    xpos = (maxWidth - GetStringWidth(2, mapName, -1)) / 2;
+    FillWindowPixelBuffer(windowId, PIXEL_FILL(1));
+    AddTextPrinterParameterized(windowId, 2, mapName, xpos, 2, 0xFF, NULL);
+}
+
+static u8 *MapNamePopupAppendFloorNum(u8 *dest, s8 flags)
+{
+    if (flags == 0)
+        return dest;
+    *dest++ = CHAR_SPACE;
+    if (flags == 0x7F)
+        return StringCopy(dest, gUnknown_841D18D);
+    if (flags < 0)
+    {
+        *dest++ = CHAR_B;
+        flags *= -1;
+    }
+    dest = ConvertIntToDecimalStringN(dest, flags, STR_CONV_MODE_LEFT_ALIGN, 2);
+    *dest++ = CHAR_F;
+    *dest = EOS;
+    return dest;
+}
diff --git a/src/quest_log.c b/src/quest_log.c
index 64d3df076..2675d3a4f 100644
--- a/src/quest_log.c
+++ b/src/quest_log.c
@@ -1425,7 +1425,7 @@ static void sub_81120AC(u8 taskId)
         break;
     default:
         if (gUnknown_203AE94.unk_0_6 == 1)
-            sub_8098110(1);
+            CreateMapNamePopupIfNotAlreadyRunning(1);
         CpuCopy16(gUnknown_203AE90, gPlttBufferUnfaded, 0x400);
         Free(gUnknown_203AE90);
         gUnknown_203AE94 = (struct UnkStruct_203AE94){};