start start menu decomp

1 files changed, 231 insertions, 0 deletions

diff --git a/src/start_menu.c b/src/start_menu.c
new file mode 100644
index 000000000..ffcab5220
--- /dev/null
+++ b/src/start_menu.c
@@ -0,0 +1,231 @@
+#include "global.h"
+#include "start_menu.h"
+#include "menu.h"
+#include "safari_zone.h"
+#include "event_data.h"
+#include "window.h"
+#include "string_util.h"
+#include "text.h"
+
+// Menu actions
+enum
+{
+    MENU_ACTION_POKEDEX,
+    MENU_ACTION_POKEMON,
+    MENU_ACTION_BAG,
+    MENU_ACTION_POKENAV,
+    MENU_ACTION_PLAYER,
+    MENU_ACTION_SAVE,
+    MENU_ACTION_OPTION,
+    MENU_ACTION_EXIT,
+    MENU_ACTION_RETIRE_SAFARI,
+    MENU_ACTION_PLAYER_LINK,
+    MENU_ACTION_REST_FRONTIER,
+    MENU_ACTION_RETIRE_FRONTIER,
+    MENU_ACTION_PYRAMID_BAG
+};
+
+static void BuildStartMenuActions_LinkMode(void);
+static void BuildStartMenuActions_UnionRoom(void);
+static void BuildStartMenuActions_SafariZone(void);
+static void BuildStartMenuActions_BattlePike(void);
+static void BuildStartMenuActions_BattlePyramid(void);
+static void BuildStartMenuActions_MultiBattleRoom(void);
+static void BuildStartMenuActions_Normal(void);
+u8 StartMenu_PlayerName(void);
+
+extern bool32 is_c1_link_related_active(void);
+extern bool32 InUnionRoom(void);
+extern bool8 InBattlePike(void);
+extern bool8 InBattlePyramid(void);
+extern bool8 InMultiBattleRoom(void);
+extern void sub_81973FC(u8 windowId, u8 a1);
+extern void sub_8198070(u8 windowId, u8 a1);
+
+EWRAM_DATA u8 sSafariBallsWindowId = 0;
+EWRAM_DATA u8 sBattlePyramidFloorWindowId = 0;
+EWRAM_DATA u8 sStartMenuCursorPos = 0;
+EWRAM_DATA u8 sNumStartMenuActions = 0;
+EWRAM_DATA u8 sCurrentStartMenuActions[9] = {0};
+
+void BuildStartMenuActions(void)
+{
+    sNumStartMenuActions = 0;
+    if (is_c1_link_related_active() == TRUE)
+        BuildStartMenuActions_LinkMode();
+    else if (InUnionRoom() == TRUE)
+        BuildStartMenuActions_UnionRoom();
+    else if (GetSafariZoneFlag() == TRUE)
+        BuildStartMenuActions_SafariZone();
+    else if (InBattlePike())
+        BuildStartMenuActions_BattlePike();
+    else if (InBattlePyramid())
+        BuildStartMenuActions_BattlePyramid();
+    else if (InMultiBattleRoom())
+        BuildStartMenuActions_MultiBattleRoom();
+    else
+        BuildStartMenuActions_Normal();
+}
+
+void AddStartMenuAction(u8 action)
+{
+    AppendToList(sCurrentStartMenuActions, &sNumStartMenuActions, action);
+}
+
+static void BuildStartMenuActions_Normal(void)
+{
+    if (FlagGet(SYS_POKEDEX_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKEDEX);
+    if (FlagGet(SYS_POKEMON_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    if (FlagGet(SYS_POKENAV_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKENAV);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_SAVE);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_SafariZone(void)
+{
+    AddStartMenuAction(MENU_ACTION_RETIRE_SAFARI);
+    AddStartMenuAction(MENU_ACTION_POKEDEX);
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_LinkMode(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    if (FlagGet(SYS_POKENAV_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKENAV);
+    AddStartMenuAction(MENU_ACTION_PLAYER_LINK);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_UnionRoom(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    if (FlagGet(SYS_POKENAV_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKENAV);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_BattlePike(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEDEX);
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_BattlePyramid(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_PYRAMID_BAG);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_REST_FRONTIER);
+    AddStartMenuAction(MENU_ACTION_RETIRE_FRONTIER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_MultiBattleRoom(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+extern const struct WindowTemplate gSafariBallsWindowTemplate;
+extern const struct WindowTemplate gPyramidFloorWindowTemplate_1;
+extern const struct WindowTemplate gPyramidFloorWindowTemplate_2;
+extern const u8 gOtherText_SafariStock[];
+
+void DisplaySafariBallsWindow(void)
+{
+    sSafariBallsWindowId = AddWindow(&gSafariBallsWindowTemplate);
+    PutWindowTilemap(sSafariBallsWindowId);
+    sub_81973FC(sSafariBallsWindowId, 0);
+    ConvertIntToDecimalStringN(gStringVar1, gNumSafariBalls, STR_CONV_MODE_RIGHT_ALIGN, 2);
+    StringExpandPlaceholders(gStringVar4, gOtherText_SafariStock);
+    PrintTextOnWindow(sSafariBallsWindowId, 1, gStringVar4, 0, 1, 0xFF, NULL);
+    CopyWindowToVram(sSafariBallsWindowId, 2);
+}
+
+extern const u8* const gUnknown_08510510[];
+extern const u8 gOtherText_BattlePyramid_X[];
+
+void DisplayPyramidFloorWindow(void)
+{
+    // TODO: fix location
+    if (*(u16*)(&gSaveBlock2Ptr->field_CAA[8]) == 7)
+        sBattlePyramidFloorWindowId = AddWindow(&gPyramidFloorWindowTemplate_1);
+    else
+        sBattlePyramidFloorWindowId = AddWindow(&gPyramidFloorWindowTemplate_2);
+    PutWindowTilemap(sBattlePyramidFloorWindowId);
+    sub_81973FC(sBattlePyramidFloorWindowId, 0);
+    StringCopy(gStringVar1, gUnknown_08510510[*(u16*)(&gSaveBlock2Ptr->field_CAA[8])]);
+    StringExpandPlaceholders(gStringVar4, gOtherText_BattlePyramid_X);
+    PrintTextOnWindow(sBattlePyramidFloorWindowId, 1, gStringVar4, 0, 1, 0xFF, NULL);
+    CopyWindowToVram(sBattlePyramidFloorWindowId, 2);
+}
+
+void RemoveExtraStartMenuWindows(void)
+{
+    if (GetSafariZoneFlag())
+    {
+        sub_8198070(sSafariBallsWindowId, 0);
+        CopyWindowToVram(sSafariBallsWindowId, 2);
+        RemoveWindow(sSafariBallsWindowId);
+    }
+    if (InBattlePyramid())
+    {
+        sub_8198070(sBattlePyramidFloorWindowId, 0);
+        RemoveWindow(sBattlePyramidFloorWindowId);
+    }
+}
+
+extern const struct MenuAction sStartMenuItems[];
+
+/*
+// Prints n menu items starting at *index
+static bool32 PrintStartMenuItemsMultistep(s16 *index, u32 n)
+{
+    s8 _index = *index;
+
+    do
+    {
+        if (sStartMenuItems[sCurrentStartMenuActions[_index]].func == StartMenu_PlayerName)
+        {
+
+        }
+        else
+        {
+
+        }
+
+    } while (++_index > sNumStartMenuActions);
+
+    if (--n == 0)
+    {
+        *index = _index;
+        return FALSE;
+    }
+    else
+    {
+        *index = _index;
+        return TRUE;
+    }
+}*/