pokeemerald/src/item.c
2018-05-11 17:24:32 -05:00

1103 lines
28 KiB
C

#include "global.h"
#include "item.h"
#include "berry.h"
#include "constants/items.h"
#include "string_util.h"
#include "text.h"
#include "event_data.h"
#include "malloc.h"
#include "secret_base.h"
#include "item_menu.h"
#include "strings.h"
#include "load_save.h"
extern bool8 InBattlePyramid(void);
extern u16 gUnknown_0203CF30[];
extern const struct Item gItems[];
// this file's functions
static bool8 CheckPyramidBagHasItem(u16 itemId, u16 count);
static bool8 CheckPyramidBagHasSpace(u16 itemId, u16 count);
// EWRAM variables
EWRAM_DATA struct BagPocket gBagPockets[POCKETS_COUNT] = {0};
// code
static u16 GetBagItemQuantity(u16 *quantity)
{
return gSaveBlock2Ptr->encryptionKey ^ *quantity;
}
static void SetBagItemQuantity(u16 *quantity, u16 newValue)
{
*quantity = newValue ^ gSaveBlock2Ptr->encryptionKey;
}
static u16 GetPCItemQuantity(u16 *quantity)
{
return *quantity;
}
static void SetPCItemQuantity(u16 *quantity, u16 newValue)
{
*quantity = newValue;
}
void ApplyNewEncryptionKeyToBagItems(u32 newKey)
{
u32 pocket, item;
for (pocket = 0; pocket < POCKETS_COUNT; pocket++)
{
for (item = 0; item < gBagPockets[pocket].capacity; item++)
ApplyNewEncryptionKeyToHword(&(gBagPockets[pocket].itemSlots[item].quantity), newKey);
}
}
void ApplyNewEncryptionKeyToBagItems_(u32 newKey) // really GF?
{
ApplyNewEncryptionKeyToBagItems(newKey);
}
void SetBagItemsPointers(void)
{
gBagPockets[ITEMS_POCKET].itemSlots = gSaveBlock1Ptr->bagPocket_Items;
gBagPockets[ITEMS_POCKET].capacity = BAG_ITEMS_COUNT;
gBagPockets[KEYITEMS_POCKET].itemSlots = gSaveBlock1Ptr->bagPocket_KeyItems;
gBagPockets[KEYITEMS_POCKET].capacity = BAG_KEYITEMS_COUNT;
gBagPockets[BALLS_POCKET].itemSlots = gSaveBlock1Ptr->bagPocket_PokeBalls;
gBagPockets[BALLS_POCKET].capacity = BAG_POKEBALLS_COUNT;
gBagPockets[TMHM_POCKET].itemSlots = gSaveBlock1Ptr->bagPocket_TMHM;
gBagPockets[TMHM_POCKET].capacity = BAG_TMHM_COUNT;
gBagPockets[BERRIES_POCKET].itemSlots = gSaveBlock1Ptr->bagPocket_Berries;
gBagPockets[BERRIES_POCKET].capacity = BAG_BERRIES_COUNT;
}
void CopyItemName(u16 itemId, u8 *dst)
{
StringCopy(dst, ItemId_GetName(itemId));
}
void CopyItemNameHandlePlural(u16 itemId, u8 *dst, u32 quantity)
{
if (itemId == ITEM_POKE_BALL)
{
if (quantity < 2)
StringCopy(dst, ItemId_GetName(ITEM_POKE_BALL));
else
StringCopy(dst, gText_PokeBalls);
}
else
{
if (itemId >= ITEM_CHERI_BERRY && itemId <= ITEM_ENIGMA_BERRY)
GetBerryCountString(dst, gBerries[itemId - ITEM_CHERI_BERRY].name, quantity);
else
StringCopy(dst, ItemId_GetName(itemId));
}
}
void GetBerryCountString(u8 *dst, const u8 *berryName, u32 quantity)
{
const u8 *berryString;
u8 *txtPtr;
if (quantity < 2)
berryString = gText_Berry;
else
berryString = gText_Berries;
txtPtr = StringCopy(dst, berryName);
*txtPtr = CHAR_SPACE;
StringCopy(txtPtr + 1, berryString);
}
bool8 IsBagPocketNonEmpty(u8 pocket)
{
u8 i;
for (i = 0; i < gBagPockets[pocket - 1].capacity; i++)
{
if (gBagPockets[pocket - 1].itemSlots[i].itemId != 0)
return TRUE;
}
return FALSE;
}
bool8 CheckBagHasItem(u16 itemId, u16 count)
{
u8 i;
u8 pocket;
if (ItemId_GetPocket(itemId) == 0)
return FALSE;
if (InBattlePyramid() || FlagGet(FLAG_SPECIAL_FLAG_0x4004) == TRUE)
return CheckPyramidBagHasItem(itemId, count);
pocket = ItemId_GetPocket(itemId) - 1;
// Check for item slots that contain the item
for (i = 0; i < gBagPockets[pocket].capacity; i++)
{
if (gBagPockets[pocket].itemSlots[i].itemId == itemId)
{
u16 quantity;
// Does this item slot contain enough of the item?
quantity = GetBagItemQuantity(&gBagPockets[pocket].itemSlots[i].quantity);
if (quantity >= count)
return TRUE;
count -= quantity;
// Does this item slot and all previous slots contain enough of the item?
if (count == 0)
return TRUE;
}
}
return FALSE;
}
bool8 HasAtLeastOneBerry(void)
{
u16 i;
for (i = FIRST_BERRY_INDEX; i < ITEM_BRIGHT_POWDER; i++)
{
if (CheckBagHasItem(i, 1) == TRUE)
{
gSpecialVar_Result = TRUE;
return TRUE;
}
}
gSpecialVar_Result = FALSE;
return FALSE;
}
#ifdef NONMATCHING
// Refuses to match.
bool8 CheckBagHasSpace(u16 itemId, u16 count)
{
u8 i;
if (ItemId_GetPocket(itemId) == POCKET_NONE)
return FALSE;
if (InBattlePyramid() || FlagGet(FLAG_SPECIAL_FLAG_0x4004) == TRUE)
{
return CheckPyramidBagHasSpace(itemId, count);
}
else
{
u8 pocket;
u16 slotCapacity;
u16 ownedCount;
pocket = ItemId_GetPocket(itemId) - 1;
if (pocket != BERRIES_POCKET)
slotCapacity = 99;
else
slotCapacity = 999;
// Check space in any existing item slots that already contain this item
for (i = 0; i < gBagPockets[pocket].capacity; i++)
{
if (gBagPockets[pocket].itemSlots[i].itemId == itemId)
{
ownedCount = GetBagItemQuantity(&gBagPockets[pocket].itemSlots[i].quantity);
if (ownedCount + count <= slotCapacity)
return TRUE;
if (pocket == TMHM_POCKET || pocket == BERRIES_POCKET)
return FALSE;
count -= slotCapacity - ownedCount;
if (count == 0)
return TRUE;
}
}
// Check space in empty item slots
if (count > 0)
{
for (i = 0; i < gBagPockets[pocket].capacity; i++)
{
if (gBagPockets[pocket].itemSlots[i].itemId == 0)
{
if (count <= slotCapacity)
return TRUE;
if (pocket == TMHM_POCKET || pocket == BERRIES_POCKET)
return FALSE;
count -= slotCapacity;
}
}
if (count > 0)
return FALSE; // No more item slots. The bag is full
}
return TRUE;
}
}
#else
NAKED
bool8 CheckBagHasSpace(u16 itemId, u16 count)
{
asm_unified("push {r4-r7,lr}\n\
mov r7, r10\n\
mov r6, r9\n\
mov r5, r8\n\
push {r5-r7}\n\
sub sp, 0x4\n\
lsls r0, 16\n\
lsrs r0, 16\n\
mov r8, r0\n\
lsls r1, 16\n\
lsrs r5, r1, 16\n\
bl ItemId_GetPocket\n\
lsls r0, 24\n\
cmp r0, 0\n\
beq _080D6906\n\
bl InBattlePyramid\n\
lsls r0, 24\n\
cmp r0, 0\n\
bne _080D6838\n\
ldr r0, =0x00004004\n\
bl FlagGet\n\
lsls r0, 24\n\
lsrs r0, 24\n\
cmp r0, 0x1\n\
bne _080D684C\n\
_080D6838:\n\
mov r0, r8\n\
adds r1, r5, 0\n\
bl CheckPyramidBagHasSpace\n\
lsls r0, 24\n\
lsrs r0, 24\n\
b _080D6916\n\
.pool\n\
_080D684C:\n\
mov r0, r8\n\
bl ItemId_GetPocket\n\
subs r0, 0x1\n\
lsls r0, 24\n\
lsrs r2, r0, 24\n\
ldr r7, =0x000003e7\n\
cmp r2, 0x3\n\
beq _080D6860\n\
movs r7, 0x63\n\
_080D6860:\n\
movs r6, 0\n\
ldr r1, =gBagPockets\n\
lsls r4, r2, 3\n\
adds r0, r4, r1\n\
mov r9, r4\n\
ldrb r0, [r0, 0x4]\n\
cmp r6, r0\n\
bcs _080D68BC\n\
subs r0, r2, 0x2\n\
lsls r0, 24\n\
lsrs r0, 24\n\
mov r10, r0\n\
_080D6878:\n\
adds r0, r4, r1\n\
ldr r1, [r0]\n\
lsls r0, r6, 2\n\
adds r1, r0, r1\n\
ldrh r0, [r1]\n\
cmp r0, r8\n\
bne _080D68AC\n\
adds r0, r1, 0x2\n\
str r2, [sp]\n\
bl GetBagItemQuantity\n\
lsls r0, 16\n\
lsrs r1, r0, 16\n\
adds r0, r1, r5\n\
ldr r2, [sp]\n\
cmp r0, r7\n\
ble _080D6914\n\
mov r0, r10\n\
cmp r0, 0x1\n\
bls _080D6906\n\
subs r0, r7, r1\n\
subs r0, r5, r0\n\
lsls r0, 16\n\
lsrs r5, r0, 16\n\
cmp r5, 0\n\
beq _080D6914\n\
_080D68AC:\n\
adds r0, r6, 0x1\n\
lsls r0, 24\n\
lsrs r6, r0, 24\n\
ldr r1, =gBagPockets\n\
adds r0, r4, r1\n\
ldrb r0, [r0, 0x4]\n\
cmp r6, r0\n\
bcc _080D6878\n\
_080D68BC:\n\
cmp r5, 0\n\
beq _080D6914\n\
movs r6, 0\n\
ldr r3, =gBagPockets\n\
mov r1, r9\n\
adds r0, r1, r3\n\
ldrb r0, [r0, 0x4]\n\
cmp r6, r0\n\
bcs _080D6902\n\
adds r4, r3, 0\n\
subs r0, r2, 0x2\n\
lsls r0, 24\n\
lsrs r2, r0, 24\n\
_080D68D6:\n\
adds r0, r1, r4\n\
ldr r1, [r0]\n\
lsls r0, r6, 2\n\
adds r0, r1\n\
ldrh r0, [r0]\n\
cmp r0, 0\n\
bne _080D68F2\n\
cmp r5, r7\n\
bls _080D6914\n\
cmp r2, 0x1\n\
bls _080D6906\n\
subs r0, r5, r7\n\
lsls r0, 16\n\
lsrs r5, r0, 16\n\
_080D68F2:\n\
adds r0, r6, 0x1\n\
lsls r0, 24\n\
lsrs r6, r0, 24\n\
mov r1, r9\n\
adds r0, r1, r3\n\
ldrb r0, [r0, 0x4]\n\
cmp r6, r0\n\
bcc _080D68D6\n\
_080D6902:\n\
cmp r5, 0\n\
beq _080D6914\n\
_080D6906:\n\
movs r0, 0\n\
b _080D6916\n\
.pool\n\
_080D6914:\n\
movs r0, 0x1\n\
_080D6916:\n\
add sp, 0x4\n\
pop {r3-r5}\n\
mov r8, r3\n\
mov r9, r4\n\
mov r10, r5\n\
pop {r4-r7}\n\
pop {r1}\n\
bx r1");
}
#endif // NONMATCHING
bool8 AddBagItem(u16 itemId, u16 count)
{
u8 i;
if (ItemId_GetPocket(itemId) == POCKET_NONE)
return FALSE;
// check Battle Pyramid Bag
if (InBattlePyramid() || FlagGet(FLAG_SPECIAL_FLAG_0x4004) == TRUE)
{
return AddPyramidBagItem(itemId, count);
}
else
{
struct BagPocket *itemPocket;
struct ItemSlot *newItems;
u16 slotCapacity;
u16 ownedCount;
u8 pocket = ItemId_GetPocket(itemId) - 1;
itemPocket = &gBagPockets[pocket];
newItems = AllocZeroed(itemPocket->capacity * sizeof(struct ItemSlot));
memcpy(newItems, itemPocket->itemSlots, itemPocket->capacity * sizeof(struct ItemSlot));
if (pocket != BERRIES_POCKET)
slotCapacity = 99;
else
slotCapacity = 999;
for (i = 0; i < itemPocket->capacity; i++)
{
if (newItems[i].itemId == itemId)
{
ownedCount = GetBagItemQuantity(&newItems[i].quantity);
// check if won't exceed max slot capacity
if (ownedCount + count <= slotCapacity)
{
// successfully added to already existing item's count
SetBagItemQuantity(&newItems[i].quantity, ownedCount + count);
// goto SUCCESS_ADD_ITEM;
// is equivalent but won't match
memcpy(itemPocket->itemSlots, newItems, itemPocket->capacity * sizeof(struct ItemSlot));
Free(newItems);
return TRUE;
}
else
{
// try creating another instance of the item if possible
if (pocket == TMHM_POCKET || pocket == BERRIES_POCKET)
{
Free(newItems);
return FALSE;
}
else
{
count -= slotCapacity - ownedCount;
SetBagItemQuantity(&newItems[i].quantity, slotCapacity);
// don't create another instance of the item if it's at max slot capacity and count is equal to 0
if (count == 0)
{
goto SUCCESS_ADD_ITEM;
}
}
}
}
}
// we're done if quantity is equal to 0
if (count > 0)
{
// either no existing item was found or we have to create another instance, because the capacity was exceeded
for (i = 0; i < itemPocket->capacity; i++)
{
if (newItems[i].itemId == ITEM_NONE)
{
newItems[i].itemId = itemId;
if (count > slotCapacity)
{
// try creating a new slot with max capacity if duplicates are possible
if (pocket == TMHM_POCKET || pocket == BERRIES_POCKET)
{
Free(newItems);
return FALSE;
}
count -= slotCapacity;
SetBagItemQuantity(&newItems[i].quantity, slotCapacity);
}
else
{
// created a new slot and added quantity
SetBagItemQuantity(&newItems[i].quantity, count);
goto SUCCESS_ADD_ITEM;
}
}
}
if (count > 0)
{
Free(newItems);
return FALSE;
}
}
SUCCESS_ADD_ITEM:
memcpy(itemPocket->itemSlots, newItems, itemPocket->capacity * sizeof(struct ItemSlot));
Free(newItems);
return TRUE;
}
}
bool8 RemoveBagItem(u16 itemId, u16 count)
{
u8 i;
u16 totalQuantity = 0;
if (ItemId_GetPocket(itemId) == POCKET_NONE || itemId == ITEM_NONE)
return FALSE;
// check Battle Pyramid Bag
if (InBattlePyramid() || FlagGet(FLAG_SPECIAL_FLAG_0x4004) == TRUE)
{
return RemovePyramidBagItem(itemId, count);
}
else
{
u8 pocket;
u8 var;
u16 ownedCount;
struct BagPocket *itemPocket;
pocket = ItemId_GetPocket(itemId) - 1;
itemPocket = &gBagPockets[pocket];
for (i = 0; i < itemPocket->capacity; i++)
{
if (itemPocket->itemSlots[i].itemId == itemId)
totalQuantity += GetBagItemQuantity(&itemPocket->itemSlots[i].quantity);
}
if (totalQuantity < count)
return FALSE; // We don't have enough of the item
if (CurrentMapIsSecretBase() == TRUE)
{
VarSet(VAR_0x40EE, VarGet(VAR_0x40EE) | 0x200);
VarSet(VAR_0x40ED, itemId);
}
var = sub_81ABB2C(pocket);
if (itemPocket->capacity > var
&& itemPocket->itemSlots[var].itemId == itemId)
{
ownedCount = GetBagItemQuantity(&itemPocket->itemSlots[var].quantity);
if (ownedCount >= count)
{
SetBagItemQuantity(&itemPocket->itemSlots[var].quantity, ownedCount - count);
count = 0;
}
else
{
count -= ownedCount;
SetBagItemQuantity(&itemPocket->itemSlots[var].quantity, 0);
}
if (GetBagItemQuantity(&itemPocket->itemSlots[var].quantity) == 0)
itemPocket->itemSlots[var].itemId = ITEM_NONE;
if (count == 0)
return TRUE;
}
for (i = 0; i < itemPocket->capacity; i++)
{
if (itemPocket->itemSlots[i].itemId == itemId)
{
ownedCount = GetBagItemQuantity(&itemPocket->itemSlots[i].quantity);
if (ownedCount >= count)
{
SetBagItemQuantity(&itemPocket->itemSlots[i].quantity, ownedCount - count);
count = 0;
}
else
{
count -= ownedCount;
SetBagItemQuantity(&itemPocket->itemSlots[i].quantity, 0);
}
if (GetBagItemQuantity(&itemPocket->itemSlots[i].quantity) == 0)
itemPocket->itemSlots[i].itemId = ITEM_NONE;
if (count == 0)
return TRUE;
}
}
return TRUE;
}
}
u8 GetPocketByItemId(u16 itemId)
{
return ItemId_GetPocket(itemId);
}
void ClearItemSlots(struct ItemSlot *itemSlots, u8 itemCount)
{
u16 i;
for (i = 0; i < itemCount; i++)
{
itemSlots[i].itemId = ITEM_NONE;
SetBagItemQuantity(&itemSlots[i].quantity, 0);
}
}
static s32 FindFreePCItemSlot(void)
{
s8 i;
for (i = 0; i < PC_ITEMS_COUNT; i++)
{
if (gSaveBlock1Ptr->pcItems[i].itemId == ITEM_NONE)
return i;
}
return -1;
}
u8 CountUsedPCItemSlots(void)
{
u8 usedSlots = 0;
u8 i;
for (i = 0; i < PC_ITEMS_COUNT; i++)
{
if (gSaveBlock1Ptr->pcItems[i].itemId != ITEM_NONE)
usedSlots++;
}
return usedSlots;
}
bool8 CheckPCHasItem(u16 itemId, u16 count)
{
u8 i;
for (i = 0; i < PC_ITEMS_COUNT; i++)
{
if (gSaveBlock1Ptr->pcItems[i].itemId == itemId && GetPCItemQuantity(&gSaveBlock1Ptr->pcItems[i].quantity) >= count)
return TRUE;
}
return FALSE;
}
bool8 AddPCItem(u16 itemId, u16 count)
{
u8 i;
s8 freeSlot;
u16 ownedCount;
struct ItemSlot *newItems;
// Copy PC items
newItems = AllocZeroed(sizeof(gSaveBlock1Ptr->pcItems));
memcpy(newItems, gSaveBlock1Ptr->pcItems, sizeof(gSaveBlock1Ptr->pcItems));
// Use any item slots that already contain this item
for (i = 0; i < PC_ITEMS_COUNT; i++)
{
if (newItems[i].itemId == itemId)
{
ownedCount = GetPCItemQuantity(&newItems[i].quantity);
if (ownedCount + count <= 999)
{
SetPCItemQuantity(&newItems[i].quantity, ownedCount + count);
memcpy(gSaveBlock1Ptr->pcItems, newItems, sizeof(gSaveBlock1Ptr->pcItems));
Free(newItems);
return TRUE;
}
count += ownedCount - 999;
SetPCItemQuantity(&newItems[i].quantity, 999);
if (count == 0)
{
memcpy(gSaveBlock1Ptr->pcItems, newItems, sizeof(gSaveBlock1Ptr->pcItems));
Free(newItems);
return TRUE;
}
}
}
// Put any remaining items into a new item slot.
if (count > 0)
{
freeSlot = FindFreePCItemSlot();
if (freeSlot == -1)
{
Free(newItems);
return FALSE;
}
else
{
newItems[freeSlot].itemId = itemId;
SetPCItemQuantity(&newItems[freeSlot].quantity, count);
}
}
// Copy items back to the PC
memcpy(gSaveBlock1Ptr->pcItems, newItems, sizeof(gSaveBlock1Ptr->pcItems));
Free(newItems);
return TRUE;
}
void RemovePCItem(u8 index, u16 count)
{
// UB: should use GetPCItemQuantity and SetPCItemQuantity functions
gSaveBlock1Ptr->pcItems[index].quantity -= count;
if (gSaveBlock1Ptr->pcItems[index].quantity == 0)
{
gSaveBlock1Ptr->pcItems[index].itemId = ITEM_NONE;
CompactPCItems();
}
}
void CompactPCItems(void)
{
u16 i;
u16 j;
for (i = 0; i < PC_ITEMS_COUNT - 1; i++)
{
for (j = i + 1; j < PC_ITEMS_COUNT; j++)
{
if (gSaveBlock1Ptr->pcItems[i].itemId == 0)
{
struct ItemSlot temp = gSaveBlock1Ptr->pcItems[i];
gSaveBlock1Ptr->pcItems[i] = gSaveBlock1Ptr->pcItems[j];
gSaveBlock1Ptr->pcItems[j] = temp;
}
}
}
}
void SwapRegisteredBike(void)
{
switch (gSaveBlock1Ptr->registeredItem)
{
case ITEM_MACH_BIKE:
gSaveBlock1Ptr->registeredItem = ITEM_ACRO_BIKE;
break;
case ITEM_ACRO_BIKE:
gSaveBlock1Ptr->registeredItem = ITEM_MACH_BIKE;
break;
}
}
u16 BagGetItemIdByPocketPosition(u8 pocketId, u16 pocketPos)
{
return gBagPockets[pocketId - 1].itemSlots[pocketPos].itemId;
}
u16 BagGetQuantityByPocketPosition(u8 pocketId, u16 pocketPos)
{
return GetBagItemQuantity(&gBagPockets[pocketId - 1].itemSlots[pocketPos].quantity);
}
static void SwapItemSlots(struct ItemSlot *a, struct ItemSlot *b)
{
struct ItemSlot temp = *a;
*a = *b;
*b = temp;
}
void CompactItemsInBagPocket(struct BagPocket *bagPocket)
{
u16 i, j;
for (i = 0; i < bagPocket->capacity - 1; i++)
{
for (j = i + 1; j < bagPocket->capacity; j++)
{
if (GetBagItemQuantity(&bagPocket->itemSlots[i].quantity) == 0)
SwapItemSlots(&bagPocket->itemSlots[i], &bagPocket->itemSlots[j]);
}
}
}
void SortBerriesOrTMHMs(struct BagPocket *bagPocket)
{
u16 i, j;
for (i = 0; i < bagPocket->capacity - 1; i++)
{
for (j = i + 1; j < bagPocket->capacity; j++)
{
if (GetBagItemQuantity(&bagPocket->itemSlots[i].quantity) != 0)
{
if (GetBagItemQuantity(&bagPocket->itemSlots[j].quantity) == 0)
continue;
if (bagPocket->itemSlots[i].itemId <= bagPocket->itemSlots[j].itemId)
continue;
}
SwapItemSlots(&bagPocket->itemSlots[i], &bagPocket->itemSlots[j]);
}
}
}
void MoveItemSlotInList(struct ItemSlot* itemSlots_, u32 from, u32 to_)
{
// dumb assignments needed to match
struct ItemSlot *itemSlots = itemSlots_;
u32 to = to_;
if (from != to)
{
s16 i, count;
struct ItemSlot firstSlot = itemSlots[from];
if (to > from)
{
to--;
for (i = from, count = to; i < count; i++)
itemSlots[i] = itemSlots[i + 1];
}
else
{
for (i = from, count = to; i > count; i--)
itemSlots[i] = itemSlots[i - 1];
}
itemSlots[to] = firstSlot;
}
}
void ClearBag(void)
{
u16 i;
for (i = 0; i < POCKETS_COUNT; i++)
{
ClearItemSlots(gBagPockets[i].itemSlots, gBagPockets[i].capacity);
}
}
u16 CountTotalItemQuantityInBag(u16 itemId)
{
u16 i;
u16 ownedCount = 0;
struct BagPocket *bagPocket = &gBagPockets[ItemId_GetPocket(itemId) - 1];
for (i = 0; i < bagPocket->capacity; i++)
{
if (bagPocket->itemSlots[i].itemId == itemId)
ownedCount += GetBagItemQuantity(&bagPocket->itemSlots[i].quantity);
}
return ownedCount;
}
static bool8 CheckPyramidBagHasItem(u16 itemId, u16 count)
{
u8 i;
u16 *items = gSaveBlock2Ptr->pyramidBag.itemId[gSaveBlock2Ptr->frontierChosenLvl];
u8 *quantities = gSaveBlock2Ptr->pyramidBag.quantity[gSaveBlock2Ptr->frontierChosenLvl];
for (i = 0; i < PYRAMID_BAG_ITEMS_COUNT; i++)
{
if (items[i] == itemId)
{
if (quantities[i] >= count)
return TRUE;
count -= quantities[i];
if (count == 0)
return TRUE;
}
}
return FALSE;
}
static bool8 CheckPyramidBagHasSpace(u16 itemId, u16 count)
{
u8 i;
u16 *items = gSaveBlock2Ptr->pyramidBag.itemId[gSaveBlock2Ptr->frontierChosenLvl];
u8 *quantities = gSaveBlock2Ptr->pyramidBag.quantity[gSaveBlock2Ptr->frontierChosenLvl];
for (i = 0; i < PYRAMID_BAG_ITEMS_COUNT; i++)
{
if (items[i] == itemId || items[i] == ITEM_NONE)
{
if (quantities[i] + count <= 99)
return TRUE;
count = (quantities[i] + count) - 99;
if (count == 0)
return TRUE;
}
}
return FALSE;
}
bool8 AddPyramidBagItem(u16 itemId, u16 count)
{
u16 i;
u16 *items = gSaveBlock2Ptr->pyramidBag.itemId[gSaveBlock2Ptr->frontierChosenLvl];
u8 *quantities = gSaveBlock2Ptr->pyramidBag.quantity[gSaveBlock2Ptr->frontierChosenLvl];
u16 *newItems = Alloc(PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
u8 *newQuantities = Alloc(PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
memcpy(newItems, items, PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
memcpy(newQuantities, quantities, PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
for (i = 0; i < PYRAMID_BAG_ITEMS_COUNT; i++)
{
if (newItems[i] == itemId && newQuantities[i] < 99)
{
newQuantities[i] += count;
if (newQuantities[i] > 99)
{
count = newQuantities[i] - 99;
newQuantities[i] = 99;
}
else
{
count = 0;
}
if (count == 0)
break;
}
}
if (count > 0)
{
for (i = 0; i < PYRAMID_BAG_ITEMS_COUNT; i++)
{
if (newItems[i] == ITEM_NONE)
{
newItems[i] = itemId;
newQuantities[i] = count;
if (newQuantities[i] > 99)
{
count = newQuantities[i] - 99;
newQuantities[i] = 99;
}
else
{
count = 0;
}
if (count == 0)
break;
}
}
}
if (count == 0)
{
memcpy(items, newItems, PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
memcpy(quantities, newQuantities, PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
Free(newItems);
Free(newQuantities);
return TRUE;
}
else
{
Free(newItems);
Free(newQuantities);
return FALSE;
}
}
bool8 RemovePyramidBagItem(u16 itemId, u16 count)
{
u16 i;
u16 *items = gSaveBlock2Ptr->pyramidBag.itemId[gSaveBlock2Ptr->frontierChosenLvl];
u8 *quantities = gSaveBlock2Ptr->pyramidBag.quantity[gSaveBlock2Ptr->frontierChosenLvl];
i = gUnknown_0203CF30[3] + gUnknown_0203CF30[4];
if (items[i] == itemId && quantities[i] >= count)
{
quantities[i] -= count;
if (quantities[i] == 0)
items[i] = ITEM_NONE;
return TRUE;
}
else
{
u16 *newItems = Alloc(PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
u8 *newQuantities = Alloc(PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
memcpy(newItems, items, PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
memcpy(newQuantities, quantities, PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
for (i = 0; i < PYRAMID_BAG_ITEMS_COUNT; i++)
{
if (newItems[i] == itemId)
{
if (newQuantities[i] >= count)
{
newQuantities[i] -= count;
count = 0;
if (newQuantities[i] == 0)
newItems[i] = ITEM_NONE;
}
else
{
count -= newQuantities[i];
newQuantities[i] = 0;
newItems[i] = ITEM_NONE;
}
if (count == 0)
break;
}
}
if (count == 0)
{
memcpy(items, newItems, PYRAMID_BAG_ITEMS_COUNT * sizeof(u16));
memcpy(quantities, newQuantities, PYRAMID_BAG_ITEMS_COUNT * sizeof(u8));
Free(newItems);
Free(newQuantities);
return TRUE;
}
else
{
Free(newItems);
Free(newQuantities);
return FALSE;
}
}
}
static u16 SanitizeItemId(u16 itemId)
{
if (itemId >= ITEM_LAST_ID + 1)
return ITEM_NONE;
else
return itemId;
}
const u8 *ItemId_GetName(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].name;
}
u16 ItemId_GetId(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].itemId;
}
u16 ItemId_GetPrice(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].price;
}
u8 ItemId_GetHoldEffect(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].holdEffect;
}
u8 ItemId_GetHoldEffectParam(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].holdEffectParam;
}
const u8 *ItemId_GetDescription(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].description;
}
u8 ItemId_GetImportance(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].importance;
}
// unused
u8 ItemId_GetUnknownValue(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].unk19;
}
u8 ItemId_GetPocket(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].pocket;
}
u8 ItemId_GetType(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].type;
}
ItemUseFunc ItemId_GetFieldFunc(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].fieldUseFunc;
}
u8 ItemId_GetBattleUsage(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].battleUsage;
}
ItemUseFunc ItemId_GetBattleFunc(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].battleUseFunc;
}
u8 ItemId_GetSecondaryId(u16 itemId)
{
return gItems[SanitizeItemId(itemId)].secondaryId;
}