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Diffstat (limited to 'src/item_use.c')
-rw-r--r--src/item_use.c110
1 files changed, 57 insertions, 53 deletions
diff --git a/src/item_use.c b/src/item_use.c
index fb5f3e8b8..af22eddae 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -15,43 +15,43 @@
#include "script.h"
#include "field_player_avatar.h"
#include "sound.h"
+#include "songs.h"
-extern void (* const gUnknown_083D61E4[])();
+extern void (* const gExitToOverworldFuncList[])();
extern void (* gUnknown_03005D00)(u8);
extern void (* gUnknown_0300485C)(void);
-extern void sub_80A5B00(u8);
-extern void sub_80A5CC4(void);
-extern void sub_80C8FAC(u8);
+extern void HandleItemMenuPaletteFade(u8);
+extern void ExecuteItemUseFromBlackPalette(void);
extern void DisplayItemMessageOnField(u8, u8*, TaskFunc, u16);
-extern void sub_80A5C48(u8);
-extern void sub_80A5C9C(u8);
+extern void CleanUpItemMenuMessage(u8);
+extern void CleanUpOverworldMessage(u8);
extern void ItemUseOutOfBattle_TMHM(u8);
extern void ItemUseOutOfBattle_EvolutionStone(u8);
extern void ItemUseOnFieldCB_Bike(u8);
extern void ItemUseOnFieldCB_Rod(u8);
extern void ItemUseOnFieldCB_Itemfinder(u8);
extern void sub_80A5D04(void);
-extern bool8 sub_80E5EF4(void);
+extern bool8 IsBikingDisallowedByPlayer(void);
extern void GetOnOffBike(u8);
-extern void sub_80C9458(u8);
-extern void sub_80C9520(u8);
-extern u8 sub_80C9908(s16, s16);
-extern void sub_80C997C(u8);
-extern void sub_80C99EC(u8);
-extern void sub_80C9A38(u8);
+extern u8 GetPlayerDirectionTowardsHiddenItem(s16, s16);
+extern void SetPlayerDirectionTowardsItem(u8);
+extern void DisplayItemRespondingMessageAndExitItemfinder(u8);
+extern void RotatePlayerAndExitItemfinder(u8);
extern u8 gOtherText_DadsAdvice[];
extern u8 gOtherText_CantGetOffBike[];
extern u8 gOtherText_NoResponse[];
-extern u8 gUnknown_083D61F0[];
+extern u8 gItemFinderDirections[];
extern u16 gScriptItemId;
bool8 ItemfinderCheckForHiddenItems(struct MapEvents *events, int);
+void RunItemfinderResults(u8);
+void ExitItemfinder(u8);
-void sub_80C8FAC(u8 taskId)
+void ExecuteSwitchToOverworldFromItemUse(u8 taskId)
{
u8 taskData;
@@ -60,20 +60,20 @@ void sub_80C8FAC(u8 taskId)
else
taskData = ItemId_GetType(gScriptItemId) - 1;
- gTasks[taskId].data[8] = (u32)gUnknown_083D61E4[taskData] >> 16;
- gTasks[taskId].data[9] = (u32)gUnknown_083D61E4[taskData];
- gTasks[taskId].func = sub_80A5B00;
+ gTasks[taskId].data[8] = (u32)gExitToOverworldFuncList[taskData] >> 16;
+ gTasks[taskId].data[9] = (u32)gExitToOverworldFuncList[taskData];
+ gTasks[taskId].func = HandleItemMenuPaletteFade;
}
-void unknown_ItemMenu_Confirm(u8 var)
+void ItemMenu_ConfirmNormalFade(u8 var)
{
- sub_80C8FAC(var);
+ ExecuteSwitchToOverworldFromItemUse(var);
BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
}
-void sub_80C9038(u8 var)
+void ItemMenu_ConfirmComplexFade(u8 var)
{
- sub_80C8FAC(var);
+ ExecuteSwitchToOverworldFromItemUse(var);
fade_screen(1, 0);
}
@@ -81,34 +81,37 @@ void SetUpItemUseOnFieldCallback(u8 taskId)
{
if(gTasks[taskId].data[2] != 1)
{
- gUnknown_0300485C = (void *)sub_80A5CC4;
- unknown_ItemMenu_Confirm(taskId);
+ gUnknown_0300485C = (void *)ExecuteItemUseFromBlackPalette;
+ ItemMenu_ConfirmNormalFade(taskId);
}
else
gUnknown_03005D00(taskId);
}
-void sub_80C9098(u8 var1, u8 var2, const u8 *var3)
+void HandleDeniedItemUseMessage(u8 var1, u8 playerMenuStatus, const u8 *var3)
{
StringExpandPlaceholders(gStringVar4, var3);
- if(!var2)
+ switch(playerMenuStatus)
{
- MenuZeroFillWindowRect(0, 13, 13, 20);
- DisplayItemMessageOnField(var1, gStringVar4, sub_80A5C48, 1);
+ case 0: // Item Menu
+ MenuZeroFillWindowRect(0, 13, 13, 20);
+ DisplayItemMessageOnField(var1, gStringVar4, CleanUpItemMenuMessage, 1);
+ break;
+ default: // Field
+ DisplayItemMessageOnField(var1, gStringVar4, CleanUpOverworldMessage, 0);
+ break;
}
- else
- DisplayItemMessageOnField(var1, gStringVar4, sub_80A5C9C, 0);
}
-void DisplayDadsAdviceCannotUseItemMessage(u8 var1, u8 var2)
+void DisplayDadsAdviceCannotUseItemMessage(u8 var1, u8 playerMenuStatus)
{
- sub_80C9098(var1, var2, gOtherText_DadsAdvice);
+ HandleDeniedItemUseMessage(var1, playerMenuStatus, gOtherText_DadsAdvice);
}
-void sub_80C9104(u8 var1, u8 var2)
+void DisplayCantGetOffBikeItemMessage(u8 var1, u8 playerMenuStatus)
{
- sub_80C9098(var1, var2, gOtherText_CantGetOffBike);
+ HandleDeniedItemUseMessage(var1, playerMenuStatus, gOtherText_CantGetOffBike);
}
u8 CheckIfItemIsTMHMOrEvolutionStone(u16 itemId)
@@ -121,14 +124,14 @@ u8 CheckIfItemIsTMHMOrEvolutionStone(u16 itemId)
return 0;
}
-void sub_80C9154(u8 taskId)
+void ItemMenu_ReadMail(u8 taskId)
{
struct MailStruct mailStruct;
if(!gPaletteFade.active)
{
mailStruct.itemId = gScriptItemId;
- sub_80F890C(&mailStruct, sub_80A5D04, 0);
+ HandleReadMail(&mailStruct, sub_80A5D04, 0);
DestroyTask(taskId);
}
}
@@ -136,7 +139,7 @@ void sub_80C9154(u8 taskId)
void ItemUseOutOfBattle_Mail(u8 taskId)
{
BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
- gTasks[taskId].func = sub_80C9154;
+ gTasks[taskId].func = ItemMenu_ReadMail;
}
void ItemUseOutOfBattle_Bike(u8 taskId)
@@ -147,17 +150,17 @@ void ItemUseOutOfBattle_Bike(u8 taskId)
PlayerGetDestCoords(&x, &y);
tileBehavior = MapGridGetMetatileBehaviorAt(x, y);
- if(FlagGet(0x82B) == TRUE
+ if(FlagGet(SYS_CYCLING_ROAD) == TRUE // on cycling road?
|| MetatileBehavior_IsVerticalRail(tileBehavior) == TRUE
|| MetatileBehavior_IsHorizontalRail(tileBehavior) == TRUE
|| MetatileBehavior_IsIsolatedVerticalRail(tileBehavior) == TRUE
|| MetatileBehavior_IsIsolatedHorizontalRail(tileBehavior) == TRUE)
{
- sub_80C9104(taskId, gTasks[taskId].data[2]);
+ DisplayCantGetOffBikeItemMessage(taskId, gTasks[taskId].data[2]);
}
else
{
- if(sub_8053C44() == TRUE && sub_80E5EF4() == FALSE)
+ if(IsBikingAllowedByMap() == TRUE && IsBikingDisallowedByPlayer() == FALSE)
{
gUnknown_03005D00 = (void *)ItemUseOnFieldCB_Bike;
SetUpItemUseOnFieldCallback(taskId);
@@ -236,15 +239,15 @@ void ItemUseOutOfBattle_Itemfinder(u8 var)
void ItemUseOnFieldCB_Itemfinder(u8 taskId)
{
if(ItemfinderCheckForHiddenItems(gMapHeader.events, taskId) == TRUE)
- gTasks[taskId].func = sub_80C9458;
+ gTasks[taskId].func = RunItemfinderResults;
else
- DisplayItemMessageOnField(taskId, gOtherText_NoResponse, sub_80C9520, 0);
+ DisplayItemMessageOnField(taskId, gOtherText_NoResponse, ExitItemfinder, 0);
}
-void sub_80C9458(u8 taskId)
+void RunItemfinderResults(u8 taskId)
{
- u8 var;
u8 playerDir;
+ u8 playerDirToItem;
u8 i;
s16 *data = gTasks[taskId].data;
@@ -252,33 +255,34 @@ void sub_80C9458(u8 taskId)
{
if(data[4] == 4)
{
- var = sub_80C9908(data[0], data[1]);
- if(var)
+ playerDirToItem = GetPlayerDirectionTowardsHiddenItem(data[0], data[1]);
+ if(playerDirToItem)
{
- sub_80C997C(gUnknown_083D61F0[var - 1]);
- gTasks[taskId].func = sub_80C99EC;
+ SetPlayerDirectionTowardsItem(gItemFinderDirections[playerDirToItem - 1]);
+ gTasks[taskId].func = DisplayItemRespondingMessageAndExitItemfinder;
}
- else
+ else // player is above hidden item.
{
playerDir = player_get_direction_lower_nybble();
+ // rotate player clockwise depending on current direction.
for (i = 0; i < 4; i++)
- if (playerDir == gUnknown_083D61F0[i])
+ if (playerDir == gItemFinderDirections[i])
data[5] = (i + 1) & 3;
- gTasks[taskId].func = sub_80C9A38;
+ gTasks[taskId].func = RotatePlayerAndExitItemfinder;
data[3] = 0;
data[2] = 0;
}
return;
}
- PlaySE(0x48);
+ PlaySE(SE_DAUGI); // play the itemfinder jingle 4 times before executing the itemfinder.
data[4]++;
}
data[3] = (data[3] + 1) & 0x1F;
}
-void sub_80C9520(u8 taskId)
+void ExitItemfinder(u8 taskId)
{
MenuZeroFillWindowRect(0, 14, 29, 19);
sub_8064E2C();
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 10:22:22 +0000