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trade.c
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trade.c
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#include "global.h"
#include "malloc.h"
#include "battle_anim.h"
#include "battle_interface.h"
#include "bg.h"
#include "cable_club.h"
#include "data.h"
#include "daycare.h"
#include "decompress.h"
#include "event_data.h"
#include "evolution_scene.h"
#include "field_screen_effect.h"
#include "gpu_regs.h"
#include "graphics.h"
#include "international_string_util.h"
#include "librfu.h"
#include "link.h"
#include "link_rfu.h"
#include "load_save.h"
#include "mail.h"
#include "main.h"
#include "mystery_gift.h"
#include "mystery_gift_menu.h"
#include "overworld.h"
#include "palette.h"
#include "party_menu.h"
#include "pokeball.h"
#include "pokedex.h"
#include "pokemon_icon.h"
#include "pokemon_summary_screen.h"
#include "pokemon_storage_system.h"
#include "random.h"
#include "save.h"
#include "script.h"
#include "sound.h"
#include "string_util.h"
#include "strings.h"
#include "task.h"
#include "text.h"
#include "text_window.h"
#include "trainer_card.h"
#include "trade.h"
#include "union_room.h"
#include "util.h"
#include "window.h"
#include "constants/contest.h"
#include "constants/items.h"
#include "constants/moves.h"
#include "constants/region_map_sections.h"
#include "constants/rgb.h"
#include "constants/songs.h"
#include "constants/union_room.h"
// IDs for RunTradeMenuCallback
enum {
CB_MAIN_MENU,
CB_SELECTED_MON,
CB_SHOW_MON_SUMMARY,
CB_CONFIRM_TRADE_PROMPT,
CB_CANCEL_TRADE_PROMPT,
CB_READY_WAIT, // Unused in Emerald, equivalent to CB_IDLE
CB_SET_SELECTED_MONS,
CB_PRINT_IS_THIS_OKAY,
CB_HANDLE_TRADE_CANCELED,
CB_FADE_TO_START_TRADE,
CB_WAIT_TO_START_TRADE,
CB_INIT_EXIT_CANCELED_TRADE,
CB_EXIT_CANCELED_TRADE,
CB_START_LINK_TRADE,
CB_INIT_CONFIRM_TRADE_PROMPT,
CB_UNUSED_CLOSE_MSG,
CB_WAIT_TO_START_RFU_TRADE,
CB_PARTNER_MON_INVALID,
CB_IDLE = 100,
};
// Indexes for sActionTexts
enum {
TEXT_CANCEL,
TEXT_CHOOSE_MON,
TEXT_SUMMARY,
TEXT_TRADE,
TEXT_CANCEL_TRADE,
TEXT_JP_QUIT,
};
// Indexes for sMessages
enum {
MSG_STANDBY,
MSG_CANCELED,
MSG_ONLY_MON1,
MSG_ONLY_MON2,
MSG_WAITING_FOR_FRIEND,
MSG_FRIEND_WANTS_TO_TRADE,
MSG_MON_CANT_BE_TRADED,
MSG_EGG_CANT_BE_TRADED,
MSG_FRIENDS_MON_CANT_BE_TRADED,
};
// IDs for QueueAction
enum {
QUEUE_SEND_DATA,
QUEUE_STANDBY,
QUEUE_ONLY_MON1,
QUEUE_ONLY_MON2,
QUEUE_UNUSED1, // Presumably intended for MSG_WAITING_FOR_FRIEND
QUEUE_UNUSED2, // Presumably intended for MSG_FRIEND_WANTS_TO_TRADE
QUEUE_MON_CANT_BE_TRADED,
QUEUE_EGG_CANT_BE_TRADED,
QUEUE_FRIENDS_MON_CANT_BE_TRADED,
};
#define QUEUE_DELAY_MSG 3
#define QUEUE_DELAY_DATA 5
// The following tags are offsets from GFXTAG_MENU_TEXT
// They're looped over in CB2_CreateTradeMenu and CB2_ReturnToTradeMenu
// and used as indexes into sMenuTextTileBuffers
enum {
GFXTAG_PLAYER_NAME_L,
GFXTAG_PLAYER_NAME_M,
GFXTAG_PLAYER_NAME_R,
GFXTAG_PARTNER_NAME_L,
GFXTAG_PARTNER_NAME_M,
GFXTAG_PARTNER_NAME_R,
GFXTAG_CANCEL_L,
GFXTAG_CANCEL_R,
GFXTAG_CHOOSE_PKMN_L,
GFXTAG_CHOOSE_PKMN_M,
GFXTAG_CHOOSE_PKMN_R,
GFXTAG_CHOOSE_PKMN_EMPTY_1, // 6 sprites to cover the full bottom bar, but only first 3 are needed
GFXTAG_CHOOSE_PKMN_EMPTY_2,
GFXTAG_CHOOSE_PKMN_EMPTY_3,
NUM_MENU_TEXT_SPRITES
};
#define NUM_PLAYER_NAME_SPRITES (1 + GFXTAG_PLAYER_NAME_R - GFXTAG_PLAYER_NAME_L)
#define NUM_PARTNER_NAME_SPRITES (1 + GFXTAG_PARTNER_NAME_R - GFXTAG_PARTNER_NAME_L)
#define NUM_CHOOSE_PKMN_SPRITES (1 + GFXTAG_CHOOSE_PKMN_EMPTY_3 - GFXTAG_CHOOSE_PKMN_L)
// Values for signaling to/from the link partner
enum {
STATUS_NONE,
STATUS_READY,
STATUS_CANCEL,
};
// Checked to confirm DrawSelectedMonScreen has reached final state
#define DRAW_SELECTED_FINISH 5
struct InGameTrade {
u8 nickname[POKEMON_NAME_LENGTH + 1];
u16 species;
u8 ivs[NUM_STATS];
u8 abilityNum;
u32 otId;
u8 conditions[CONTEST_CATEGORIES_COUNT];
u32 personality;
u16 heldItem;
u8 mailNum;
u8 otName[TRAINER_NAME_LENGTH + 1];
u8 otGender;
u8 sheen;
u16 requestedSpecies;
};
static EWRAM_DATA u8 *sMenuTextTileBuffer = NULL;
// Bytes 0-2 are used for the player's name text
// Bytes 3-5 are used for the partner's name text
// Bytes 6-7 are used for the Cancel text
// Bytes 8-13 are used for the Choose a Pokémon text
// See the corresponding GFXTAGs in src/data/trade.h
static EWRAM_DATA u8 *sMenuTextTileBuffers[NUM_MENU_TEXT_SPRITES] = {NULL};
EWRAM_DATA struct Mail gTradeMail[PARTY_SIZE] = {0};
EWRAM_DATA u8 gSelectedTradeMonPositions[2] = {0};
static EWRAM_DATA struct {
u8 bg2hofs;
u8 bg3hofs;
u8 filler_2[38];
u8 partySpriteIds[2][PARTY_SIZE];
u8 cursorSpriteId;
u8 cursorPosition;
u8 partyCounts[2];
bool8 optionsActive[PARTY_SIZE * 2 + 1];
bool8 isLiveMon[2][PARTY_SIZE];
bool8 isEgg[2][PARTY_SIZE];
u8 hpBarLevels[2][PARTY_SIZE];
u8 bufferPartyState;
u8 filler_6A[5];
u8 callbackId;
u8 neverRead_70;
u16 bottomTextTileStart;
u8 drawSelectedMonState[2];
u8 selectedMonIdx[2];
u8 playerSelectStatus;
u8 partnerSelectStatus;
u8 playerConfirmStatus;
u8 partnerConfirmStatus;
u8 filler_7C[2];
u8 partnerCursorPosition;
u16 linkData[20];
u8 timer;
u8 giftRibbons[GIFT_RIBBONS_COUNT];
u8 filler_B4[0x81C];
struct {
bool8 active;
u16 delay;
u8 actionId;
} queuedActions[4];
u16 tilemapBuffer[BG_SCREEN_SIZE / 2];
} *sTradeMenu = NULL;
static EWRAM_DATA struct {
struct Pokemon tempMon; // Used as a temp variable when swapping Pokémon
u32 timer;
u32 monPersonalities[2];
u8 filler_70[2];
u8 playerFinishStatus;
u8 partnerFinishStatus;
u16 linkData[10];
u8 linkTimeoutZero1;
u8 linkTimeoutZero2;
u16 linkTimeoutTimer;
u16 neverRead_8C;
u8 monSpriteIds[2];
u8 connectionSpriteId1; // Multi-purpose sprite ids used during the transfer sequence
u8 connectionSpriteId2;
u8 cableEndSpriteId;
u8 scheduleLinkTransfer;
u16 state;
u8 filler_96[0x3C];
u8 releasePokeballSpriteId;
u8 bouncingPokeballSpriteId;
u16 texX;
u16 texY;
u16 neverRead_D8;
u16 neverRead_DA;
u16 scrX;
u16 scrY;
s16 bg1vofs;
s16 bg1hofs;
s16 bg2vofs;
s16 bg2hofs;
u16 sXY;
u16 gbaScale;
u16 alpha;
bool8 isLinkTrade;
u16 monSpecies[2];
u16 cachedMapMusic;
u8 textColors[3];
u8 filler_F9;
bool8 isCableTrade;
u8 wirelessWinLeft;
u8 wirelessWinTop;
u8 wirelessWinRight;
u8 wirelessWinBottom;
} *sTradeAnim = NULL;
static bool32 IsWirelessTrade(void);
static void CB2_CreateTradeMenu(void);
static void VBlankCB_TradeMenu(void);
static void CB2_TradeMenu(void);
static void LoadTradeBgGfx(u8);
static void SetActiveMenuOptions(void);
static bool8 BufferTradeParties(void);
static void CB1_UpdateLink(void);
static void RunTradeMenuCallback(void);
static void SetSelectedMon(u8);
static void DrawSelectedMonScreen(u8);
static u8 GetMonNicknameWidth(u8 *, u8, u8);
static void BufferMovesString(u8 *, u8, u8);
static void PrintPartyNicknames(u8);
static void PrintLevelAndGender(u8, u8, u8, u8, u8, u8);
static void PrintPartyLevelsAndGenders(u8);
static void PrintTradePartnerPartyNicknames(void);
static void RedrawPartyWindow(u8);
static void Task_DrawSelectionSummary(u8);
static void Task_DrawSelectionTrade(u8);
static void QueueAction(u16, u8);
static u32 GetNumQueuedActions(void);
static void DoQueuedActions(void);
static void PrintTradeMessage(u8);
static bool8 LoadUISpriteGfx(void);
static void DrawBottomRowText(const u8 *, u8 *, u8);
static void ComputePartyTradeableFlags(u8);
static void ComputePartyHPBarLevels(u8);
static void SetTradePartyHPBarSprites(void);
static void SaveTradeGiftRibbons(void);
static u32 CanTradeSelectedMon(struct Pokemon *, int, int);
static void SpriteCB_LinkMonGlow(struct Sprite *);
static void SpriteCB_LinkMonShadow(struct Sprite *);
static void SpriteCB_CableEndSending(struct Sprite *);
static void SpriteCB_CableEndReceiving(struct Sprite *);
static void SpriteCB_GbaScreen(struct Sprite *);
static void TradeAnimInit_LoadGfx(void);
static void CB2_InGameTrade(void);
static void SetTradeSequenceBgGpuRegs(u8);
static void LoadTradeSequenceSpriteSheetsAndPalettes(void);
static void BufferTradeSceneStrings(void);
static bool8 DoTradeAnim(void);
static bool8 DoTradeAnim_Cable(void);
static bool8 DoTradeAnim_Wireless(void);
static void SpriteCB_BouncingPokeball(struct Sprite *);
static void SpriteCB_BouncingPokeballDepart(struct Sprite *);
static void SpriteCB_BouncingPokeballDepartEnd(struct Sprite *);
static void SpriteCB_BouncingPokeballArrive(struct Sprite *);
static void BufferInGameTradeMonName(void);
static void GetInGameTradeMail(struct Mail *, const struct InGameTrade *);
static void CB2_UpdateLinkTrade(void);
static void CB2_WaitTradeComplete(void);
static void CB2_SaveAndEndTrade(void);
static void CB2_FreeTradeAnim(void);
static void Task_InGameTrade(u8);
static void CheckPartnersMonForRibbons(void);
static void Task_AnimateWirelessSignal(u8);
static void Task_OpenCenterWhiteColumn(u8);
static void Task_CloseCenterWhiteColumn(u8);
static void CB2_SaveAndEndWirelessTrade(void);
#include "data/trade.h"
static bool8 SendLinkData(const void *linkData, u32 size)
{
if (gPlayerCurrActivity == ACTIVITY_29)
{
rfu_NI_setSendData(lman.acceptSlot_flag, 84, linkData, size);
return TRUE;
}
else
{
return SendBlock(0, linkData, size);
}
}
static void RequestLinkData(u8 type)
{
SendBlockRequest(type);
}
static bool32 IsLinkTradeTaskFinished(void)
{
if (gPlayerCurrActivity == ACTIVITY_29)
{
if (gRfuSlotStatusNI[Rfu_GetIndexOfNewestChild(lman.acceptSlot_flag)]->send.state == 0)
return TRUE;
else
return FALSE;
}
else
{
return IsLinkTaskFinished();
}
}
static u32 _GetBlockReceivedStatus(void)
{
return GetBlockReceivedStatus();
}
static void TradeResetReceivedFlags(void)
{
if (IsWirelessTrade())
rfu_clearSlot(12, lman.acceptSlot_flag);
else
ResetBlockReceivedFlags();
}
static void TradeResetReceivedFlag(u32 who)
{
if (IsWirelessTrade())
rfu_clearSlot(12, lman.acceptSlot_flag);
else
ResetBlockReceivedFlag(who);
}
static bool32 IsWirelessTrade(void)
{
if (gWirelessCommType && gPlayerCurrActivity == ACTIVITY_29)
return TRUE;
else
return FALSE;
}
static void SetTradeLinkStandbyCallback(u8 unused)
{
SetLinkStandbyCallback();
}
static bool32 _IsLinkTaskFinished(void)
{
return IsLinkTaskFinished();
}
static void InitTradeMenu(void)
{
ResetSpriteData();
FreeAllSpritePalettes();
ResetTasks();
ResetPaletteFade();
gPaletteFade.bufferTransferDisabled = TRUE;
SetVBlankCallback(VBlankCB_TradeMenu);
LoadPalette(gStandardMenuPalette, BG_PLTT_ID(15), PLTT_SIZEOF(10));
LoadPalette(gStandardMenuPalette, BG_PLTT_ID(13), PLTT_SIZEOF(10));
ResetBgsAndClearDma3BusyFlags(0);
InitBgsFromTemplates(0, sBgTemplates, ARRAY_COUNT(sBgTemplates));
SetBgTilemapBuffer(1, sTradeMenu->tilemapBuffer);
if (InitWindows(sWindowTemplates))
{
u32 i;
DeactivateAllTextPrinters();
for (i = 0; i < ARRAY_COUNT(sWindowTemplates) - 1; i++)
{
ClearWindowTilemap(i);
FillWindowPixelBuffer(i, PIXEL_FILL(0));
}
FillBgTilemapBufferRect(0, 0, 0, 0, DISPLAY_TILE_WIDTH, DISPLAY_TILE_HEIGHT, 15);
LoadUserWindowBorderGfx_(0, 20, BG_PLTT_ID(12));
LoadUserWindowBorderGfx(2, 1, BG_PLTT_ID(14));
LoadMonIconPalettes();
sTradeMenu->bufferPartyState = 0;
sTradeMenu->callbackId = CB_MAIN_MENU;
sTradeMenu->neverRead_70 = 0;
sTradeMenu->drawSelectedMonState[TRADE_PLAYER] = 0;
sTradeMenu->drawSelectedMonState[TRADE_PARTNER] = 0;
sTradeMenu->playerConfirmStatus = STATUS_NONE;
sTradeMenu->partnerConfirmStatus = STATUS_NONE;
sTradeMenu->timer = 0;
}
}
void CB2_StartCreateTradeMenu(void)
{
SetMainCallback2(CB2_CreateTradeMenu);
gMain.callback1 = NULL;
gEnemyPartyCount = 0;
}
static void CB2_CreateTradeMenu(void)
{
int i;
struct SpriteTemplate temp;
u8 id;
u32 xPos;
switch (gMain.state)
{
case 0:
sTradeMenu = AllocZeroed(sizeof(*sTradeMenu));
InitTradeMenu();
sMenuTextTileBuffer = AllocZeroed(NUM_MENU_TEXT_SPRITES * 256);
for (i = 0; i < NUM_MENU_TEXT_SPRITES; i++)
sMenuTextTileBuffers[i] = &sMenuTextTileBuffer[i * 256];
gMain.state++;
break;
case 1:
gPaletteFade.bufferTransferDisabled = FALSE;
for (i = 0; i < PARTY_SIZE; i++)
CreateMon(&gEnemyParty[i], SPECIES_NONE, 0, USE_RANDOM_IVS, FALSE, 0, OT_ID_PLAYER_ID, 0);
PrintTradeMessage(MSG_STANDBY);
ShowBg(0);
if (!gReceivedRemoteLinkPlayers)
{
gLinkType = LINKTYPE_TRADE_CONNECTING;
sTradeMenu->timer = 0;
if (gWirelessCommType)
{
SetWirelessCommType1();
OpenLink();
CreateTask_RfuIdle();
}
else
{
OpenLink();
gMain.state++;
CreateTask(Task_WaitForLinkPlayerConnection, 1);
}
}
else
{
gMain.state = 4;
}
break;
case 2:
sTradeMenu->timer++;
if (sTradeMenu->timer > 11)
{
sTradeMenu->timer = 0;
gMain.state++;
}
break;
case 3:
if (GetLinkPlayerCount_2() >= GetSavedPlayerCount())
{
if (IsLinkMaster())
{
if (++sTradeMenu->timer > 30)
{
CheckShouldAdvanceLinkState();
gMain.state++;
}
}
else
{
gMain.state++;
}
}
break;
case 4:
if (gReceivedRemoteLinkPlayers == TRUE && IsLinkPlayerDataExchangeComplete() == TRUE)
{
DestroyTask_RfuIdle();
CalculatePlayerPartyCount();
gMain.state++;
sTradeMenu->timer = 0;
if (gWirelessCommType)
{
Rfu_SetLinkRecovery(TRUE);
SetLinkStandbyCallback();
}
}
break;
case 5:
if (gWirelessCommType)
{
if (IsLinkRfuTaskFinished())
{
gMain.state++;
LoadWirelessStatusIndicatorSpriteGfx();
CreateWirelessStatusIndicatorSprite(0, 0);
}
}
else
{
gMain.state++;
}
break;
case 6:
if (BufferTradeParties())
{
SaveTradeGiftRibbons();
gMain.state++;
}
break;
case 7:
CalculateEnemyPartyCount();
SetGpuReg(REG_OFFSET_DISPCNT, 0);
SetGpuReg(REG_OFFSET_BLDCNT, 0);
sTradeMenu->partyCounts[TRADE_PLAYER] = gPlayerPartyCount;
sTradeMenu->partyCounts[TRADE_PARTNER] = gEnemyPartyCount;
for (i = 0; i < sTradeMenu->partyCounts[TRADE_PLAYER]; i++)
{
struct Pokemon *mon = &gPlayerParty[i];
sTradeMenu->partySpriteIds[TRADE_PLAYER][i] = CreateMonIcon(GetMonData(mon, MON_DATA_SPECIES_OR_EGG),
SpriteCB_MonIcon,
(sTradeMonSpriteCoords[i][0] * 8) + 14,
(sTradeMonSpriteCoords[i][1] * 8) - 12,
1,
GetMonData(mon, MON_DATA_PERSONALITY),
TRUE);
}
for (i = 0; i < sTradeMenu->partyCounts[TRADE_PARTNER]; i++)
{
struct Pokemon *mon = &gEnemyParty[i];
sTradeMenu->partySpriteIds[TRADE_PARTNER][i] = CreateMonIcon(GetMonData(mon, MON_DATA_SPECIES_OR_EGG, NULL),
SpriteCB_MonIcon,
(sTradeMonSpriteCoords[i + PARTY_SIZE][0] * 8) + 14,
(sTradeMonSpriteCoords[i + PARTY_SIZE][1] * 8) - 12,
1,
GetMonData(mon, MON_DATA_PERSONALITY),
FALSE);
}
gMain.state++;
break;
case 8:
LoadHeldItemIcons();
DrawHeldItemIconsForTrade(&sTradeMenu->partyCounts[0], sTradeMenu->partySpriteIds[0], TRADE_PLAYER);
gMain.state++;
break;
case 9:
DrawHeldItemIconsForTrade(&sTradeMenu->partyCounts[0], sTradeMenu->partySpriteIds[0], TRADE_PARTNER);
gMain.state++;
break;
case 10:
DrawTextWindowAndBufferTiles(gSaveBlock2Ptr->playerName, sMenuTextTileBuffers[GFXTAG_PLAYER_NAME_L], 0, 0, 3);
id = GetMultiplayerId();
DrawTextWindowAndBufferTiles(gLinkPlayers[id ^ 1].name, sMenuTextTileBuffers[GFXTAG_PARTNER_NAME_L], 0, 0, 3);
DrawTextWindowAndBufferTiles(sActionTexts[TEXT_CANCEL], sMenuTextTileBuffers[GFXTAG_CANCEL_L], 0, 0, 2);
DrawBottomRowText(sActionTexts[TEXT_CHOOSE_MON], sMenuTextTileBuffers[GFXTAG_CHOOSE_PKMN_L], 24);
gMain.state++;
sTradeMenu->timer = 0;
break;
case 11:
if (LoadUISpriteGfx())
gMain.state++;
break;
case 12:
// Create player's name text sprites
xPos = GetStringCenterAlignXOffset(FONT_NORMAL, gSaveBlock2Ptr->playerName, 120);
for (i = 0; i < NUM_PLAYER_NAME_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_PLAYER_NAME_L;
CreateSprite(&temp, xPos + (i * 32) + 16, 10, 1);
}
// Create partner's name text sprites
xPos = GetStringCenterAlignXOffset(FONT_NORMAL, gLinkPlayers[GetMultiplayerId() ^ 1].name, 120);
for (i = 0; i < NUM_PARTNER_NAME_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_PARTNER_NAME_L;
CreateSprite(&temp, xPos + (i * 32) + 136, 10, 1);
}
gMain.state++;
break;
case 13:
// Create Cancel text sprites
temp = sSpriteTemplate_MenuText;
temp.tileTag += GFXTAG_CANCEL_L;
CreateSprite(&temp, 215, 152, 1);
temp = sSpriteTemplate_MenuText;
temp.tileTag += GFXTAG_CANCEL_R;
CreateSprite(&temp, 215 + 32, 152, 1);
// Create Choose a Pokémon text sprites (only 3 are needed, other 3 are empty)
for (i = 0; i < NUM_CHOOSE_PKMN_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_CHOOSE_PKMN_L;
CreateSprite(&temp, (i * 32) + 24, 150, 1);
}
sTradeMenu->cursorSpriteId = CreateSprite(&sSpriteTemplate_Cursor, sTradeMonSpriteCoords[0][0] * 8 + 32, sTradeMonSpriteCoords[0][1] * 8, 2);
sTradeMenu->cursorPosition = 0;
gMain.state++;
rbox_fill_rectangle(0);
break;
case 14:
ComputePartyTradeableFlags(TRADE_PLAYER);
PrintPartyNicknames(TRADE_PLAYER);
sTradeMenu->bg2hofs = 0;
sTradeMenu->bg3hofs = 0;
SetActiveMenuOptions();
gMain.state++;
PlayBGM(MUS_SCHOOL);
break;
case 15:
ComputePartyTradeableFlags(TRADE_PARTNER);
PrintPartyNicknames(TRADE_PARTNER);
gMain.state++;
// fallthrough
case 16:
LoadTradeBgGfx(0);
gMain.state++;
break;
case 17:
LoadTradeBgGfx(1);
gMain.state++;
break;
case 18:
BeginNormalPaletteFade(PALETTES_ALL, 0, 16, 0, RGB_BLACK);
gMain.state++;
break;
case 19:
SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON);
LoadTradeBgGfx(2);
gMain.state++;
break;
case 20:
ComputePartyHPBarLevels(TRADE_PLAYER);
gMain.state++;
break;
case 21:
ComputePartyHPBarLevels(TRADE_PARTNER);
SetTradePartyHPBarSprites();
gMain.state++;
break;
case 22:
if (!gPaletteFade.active)
{
gMain.callback1 = CB1_UpdateLink;
SetMainCallback2(CB2_TradeMenu);
}
break;
}
RunTextPrinters();
RunTasks();
AnimateSprites();
BuildOamBuffer();
UpdatePaletteFade();
}
static void CB2_ReturnToTradeMenu(void)
{
int i;
struct SpriteTemplate temp;
u8 id;
u32 xPos;
switch (gMain.state)
{
case 0:
InitTradeMenu();
gMain.state++;
break;
case 1:
gMain.state++;
sTradeMenu->timer = 0;
break;
case 2:
gMain.state++;
break;
case 3:
gMain.state++;
break;
case 4:
CalculatePlayerPartyCount();
gMain.state++;
break;
case 5:
if (gWirelessCommType)
{
LoadWirelessStatusIndicatorSpriteGfx();
CreateWirelessStatusIndicatorSprite(0, 0);
}
gMain.state++;
break;
case 6:
gMain.state++;
break;
case 7:
CalculateEnemyPartyCount();
sTradeMenu->partyCounts[TRADE_PLAYER] = gPlayerPartyCount;
sTradeMenu->partyCounts[TRADE_PARTNER] = gEnemyPartyCount;
ClearWindowTilemap(0);
PrintPartyNicknames(TRADE_PLAYER);
PrintPartyNicknames(TRADE_PARTNER);
for (i = 0; i < sTradeMenu->partyCounts[TRADE_PLAYER]; i++)
{
struct Pokemon *mon = &gPlayerParty[i];
sTradeMenu->partySpriteIds[TRADE_PLAYER][i] = CreateMonIcon(GetMonData(mon, MON_DATA_SPECIES_OR_EGG, NULL),
SpriteCB_MonIcon,
(sTradeMonSpriteCoords[i][0] * 8) + 14,
(sTradeMonSpriteCoords[i][1] * 8) - 12,
1,
GetMonData(mon, MON_DATA_PERSONALITY),
TRUE);
}
for (i = 0; i < sTradeMenu->partyCounts[TRADE_PARTNER]; i++)
{
struct Pokemon *mon = &gEnemyParty[i];
sTradeMenu->partySpriteIds[TRADE_PARTNER][i] = CreateMonIcon(GetMonData(mon, MON_DATA_SPECIES_OR_EGG, NULL),
SpriteCB_MonIcon,
(sTradeMonSpriteCoords[i + PARTY_SIZE][0] * 8) + 14,
(sTradeMonSpriteCoords[i + PARTY_SIZE][1] * 8) - 12,
1,
GetMonData(mon, MON_DATA_PERSONALITY),
FALSE);
}
gMain.state++;
break;
case 8:
LoadHeldItemIcons();
DrawHeldItemIconsForTrade(&sTradeMenu->partyCounts[0], sTradeMenu->partySpriteIds[0], TRADE_PLAYER);
gMain.state++;
break;
case 9:
DrawHeldItemIconsForTrade(&sTradeMenu->partyCounts[0], sTradeMenu->partySpriteIds[0], TRADE_PARTNER);
gMain.state++;
break;
case 10:
DrawTextWindowAndBufferTiles(gSaveBlock2Ptr->playerName, sMenuTextTileBuffers[GFXTAG_PLAYER_NAME_L], 0, 0, 3);
id = GetMultiplayerId();
DrawTextWindowAndBufferTiles(gLinkPlayers[id ^ 1].name, sMenuTextTileBuffers[GFXTAG_PARTNER_NAME_L], 0, 0, 3);
DrawTextWindowAndBufferTiles(sActionTexts[TEXT_CANCEL], sMenuTextTileBuffers[GFXTAG_CANCEL_L], 0, 0, 2);
DrawBottomRowText(sActionTexts[TEXT_CHOOSE_MON], sMenuTextTileBuffers[GFXTAG_CHOOSE_PKMN_L], 24);
gMain.state++;
sTradeMenu->timer = 0;
break;
case 11:
if (LoadUISpriteGfx())
gMain.state++;
break;
case 12:
// Create player's name text sprites
xPos = GetStringCenterAlignXOffset(FONT_NORMAL, gSaveBlock2Ptr->playerName, 120);
for (i = 0; i < NUM_PLAYER_NAME_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_PLAYER_NAME_L;
CreateSprite(&temp, xPos + (i * 32) + 16, 10, 1);
}
// Create partner's name text sprites
xPos = GetStringCenterAlignXOffset(FONT_NORMAL, gLinkPlayers[GetMultiplayerId() ^ 1].name, 120);
for (i = 0; i < NUM_PARTNER_NAME_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_PARTNER_NAME_L;
CreateSprite(&temp, xPos + (i * 32) + 136, 10, 1);
}
gMain.state++;
break;
case 13:
// Create Cancel text sprites
temp = sSpriteTemplate_MenuText;
temp.tileTag += GFXTAG_CANCEL_L;
CreateSprite(&temp, 215, 152, 1);
temp = sSpriteTemplate_MenuText;
temp.tileTag += GFXTAG_CANCEL_R;
CreateSprite(&temp, 215 + 32, 152, 1);
// Create Choose a Pokémon text sprites
for (i = 0; i < NUM_CHOOSE_PKMN_SPRITES; i++)
{
temp = sSpriteTemplate_MenuText;
temp.tileTag += i + GFXTAG_CHOOSE_PKMN_L;
CreateSprite(&temp, (i * 32) + 24, 150, 1);
}
if (sTradeMenu->cursorPosition < PARTY_SIZE)
sTradeMenu->cursorPosition = gLastViewedMonIndex;
else
sTradeMenu->cursorPosition = gLastViewedMonIndex + PARTY_SIZE;
sTradeMenu->cursorSpriteId = CreateSprite(&sSpriteTemplate_Cursor,
sTradeMonSpriteCoords[sTradeMenu->cursorPosition][0] * 8 + 32,
sTradeMonSpriteCoords[sTradeMenu->cursorPosition][1] * 8, 2);
gMain.state = 16;
break;
case 16:
LoadTradeBgGfx(0);
gMain.state++;
break;
case 17:
LoadTradeBgGfx(1);
sTradeMenu->bg2hofs = 0;
sTradeMenu->bg3hofs = 0;
SetActiveMenuOptions();
gMain.state++;
break;
case 18:
gPaletteFade.bufferTransferDisabled = FALSE;
BlendPalettes(PALETTES_ALL, 16, RGB_BLACK);
BeginNormalPaletteFade(PALETTES_ALL, 0, 16, 0, RGB_BLACK);
gMain.state++;
break;
case 19:
SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON);
LoadTradeBgGfx(2);
gMain.state++;
break;
case 20:
gMain.state++;
break;
case 21:
SetTradePartyHPBarSprites();
gMain.state++;
break;
case 22:
if (!gPaletteFade.active)
SetMainCallback2(CB2_TradeMenu);
break;
}
RunTasks();
AnimateSprites();
BuildOamBuffer();
UpdatePaletteFade();
}
static void VBlankCB_TradeMenu(void)
{
LoadOam();
ProcessSpriteCopyRequests();
TransferPlttBuffer();
}
static void CB_FadeToStartTrade(void)
{
if (++sTradeMenu->timer > 15)
{
BeginNormalPaletteFade(PALETTES_ALL, 0, 0, 16, RGB_BLACK);
sTradeMenu->callbackId = CB_WAIT_TO_START_TRADE;
}
}
static void CB_WaitToStartTrade(void)
{
if (!gPaletteFade.active)
{
gSelectedTradeMonPositions[TRADE_PLAYER] = sTradeMenu->cursorPosition;
gSelectedTradeMonPositions[TRADE_PARTNER] = sTradeMenu->partnerCursorPosition;
if (gWirelessCommType)
{
sTradeMenu->callbackId = CB_WAIT_TO_START_RFU_TRADE;
}
else
{
SetCloseLinkCallbackAndType(32);
sTradeMenu->callbackId = CB_START_LINK_TRADE;
}
}
}
static void CB_StartLinkTrade(void)
{
gMain.savedCallback = CB2_StartCreateTradeMenu;
if (gWirelessCommType)
{
// Wireless Link Trade
if (IsLinkRfuTaskFinished())
{
Free(sMenuTextTileBuffer);
FreeAllWindowBuffers();
Free(sTradeMenu);
gMain.callback1 = NULL;
DestroyWirelessStatusIndicatorSprite();
SetMainCallback2(CB2_LinkTrade);
}
}
else
{
// Cable Link Trade
if (!gReceivedRemoteLinkPlayers)
{
Free(sMenuTextTileBuffer);
FreeAllWindowBuffers();
Free(sTradeMenu);
gMain.callback1 = NULL;
SetMainCallback2(CB2_LinkTrade);
}
}
}
static void CB2_TradeMenu(void)
{
RunTradeMenuCallback();
DoQueuedActions();
// As long as drawSelectedMonState is 0, these do nothing
DrawSelectedMonScreen(TRADE_PLAYER);
DrawSelectedMonScreen(TRADE_PARTNER);
SetGpuReg(REG_OFFSET_BG2HOFS, sTradeMenu->bg2hofs++);
SetGpuReg(REG_OFFSET_BG3HOFS, sTradeMenu->bg3hofs--);
RunTextPrintersAndIsPrinter0Active();
RunTasks();
AnimateSprites();
BuildOamBuffer();
UpdatePaletteFade();
}
static void LoadTradeBgGfx(u8 state)
{
int i;
switch (state)
{
case 0:
LoadPalette(gTradeMenu_Pal, BG_PLTT_ID(0), 3 * PLTT_SIZE_4BPP);
LoadBgTiles(1, gTradeMenu_Gfx, 0x1280, 0);
CopyToBgTilemapBufferRect_ChangePalette(1, gTradeMenu_Tilemap, 0, 0, 32, 20, 0);
LoadBgTilemap(2, sTradeStripesBG2Tilemap, 0x800, 0);
break;
case 1:
LoadBgTilemap(3, sTradeStripesBG3Tilemap, 0x800, 0);
PrintPartyLevelsAndGenders(TRADE_PLAYER);
PrintPartyLevelsAndGenders(TRADE_PARTNER);
CopyBgTilemapBufferToVram(1);
break;
case 2:
for (i = 0; i < 4; i++)
SetGpuReg(REG_OFFSET_BG0HOFS + (i * 2), 0);
ShowBg(0);
ShowBg(1);
ShowBg(2);
ShowBg(3);
break;