diff options
Diffstat (limited to 'src/mystery_event_script.c')
-rw-r--r-- | src/mystery_event_script.c | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/src/mystery_event_script.c b/src/mystery_event_script.c new file mode 100644 index 000000000..8822cd05a --- /dev/null +++ b/src/mystery_event_script.c @@ -0,0 +1,396 @@ +#include "global.h" +#include "berry.h" +#include "battle_tower.h" +#include "easy_chat.h" +#include "event_data.h" +#include "mail.h" +#include "mystery_event_script.h" +#include "pokedex.h" +#include "pokemon.h" +#include "pokemon_size_record.h" +#include "script.h" +#include "constants/species.h" +#include "strings.h" +#include "string_util.h" +#include "text.h" +#include "util.h" +#include "mystery_event_msg.h" +#include "pokemon_storage_system.h" + +extern void sub_811EFC0(u8); +extern void ValidateEReaderTrainer(void); + +extern ScrCmdFunc gMysteryEventScriptCmdTable[]; +extern ScrCmdFunc gMysteryEventScriptCmdTableEnd[]; + +#define LANGUAGE_MASK 0x1 +#define VERSION_MASK 0x200 + +EWRAM_DATA static struct ScriptContext sMysteryEventScriptContext = {0}; + +static bool32 CheckCompatibility(u16 a1, u32 a2, u16 a3, u32 a4) +{ + if (!(a1 & LANGUAGE_MASK)) + return FALSE; + + if (!(a2 & LANGUAGE_MASK)) + return FALSE; + + if (!(a3 & 0x4)) + return FALSE; + + if (!(a4 & VERSION_MASK)) + return FALSE; + + return TRUE; +} + +static void SetIncompatible(void) +{ + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftCantBeUsed); + SetMysteryEventScriptStatus(3); +} + +static void InitMysteryEventScript(struct ScriptContext *ctx, u8 *script) +{ + InitScriptContext(ctx, gMysteryEventScriptCmdTable, gMysteryEventScriptCmdTableEnd); + SetupBytecodeScript(ctx, script); + ctx->data[0] = (u32)script; + ctx->data[1] = 0; + ctx->data[2] = 0; + ctx->data[3] = 0; +} + +static bool32 RunMysteryEventScriptCommand(struct ScriptContext *ctx) +{ + if (RunScriptCommand(ctx) && ctx->data[3]) + return TRUE; + else + return FALSE; +} + +void sub_8153870(u8 *script) +{ + InitMysteryEventScript(&sMysteryEventScriptContext, script); +} + +bool32 sub_8153884(u32 *a0) +{ + bool32 ret = RunMysteryEventScriptCommand(&sMysteryEventScriptContext); + *a0 = sMysteryEventScriptContext.data[2]; + + return ret; +} + +u32 RunMysteryEventScript(u8 *script) +{ + struct ScriptContext *ctx = &sMysteryEventScriptContext; + InitMysteryEventScript(ctx, script); + while (RunMysteryEventScriptCommand(ctx)); + + return ctx->data[2]; +} + +void SetMysteryEventScriptStatus(u32 val) +{ + sMysteryEventScriptContext.data[2] = val; +} + +static int CalcRecordMixingGiftChecksum(void) +{ + unsigned int i; + int sum = 0; + u8 *data = (u8*)(&gSaveBlock1Ptr->recordMixingGift.data); + + for (i = 0; i < sizeof(gSaveBlock1Ptr->recordMixingGift.data); i++) + sum += data[i]; + + return sum; +} + +static bool32 IsRecordMixingGiftValid(void) +{ + struct RecordMixingGiftData *data = &gSaveBlock1Ptr->recordMixingGift.data; + int checksum = CalcRecordMixingGiftChecksum(); + + if (data->unk0 == 0 + || data->quantity == 0 + || data->itemId == 0 + || checksum == 0 + || checksum != gSaveBlock1Ptr->recordMixingGift.checksum) + return FALSE; + else + return TRUE; +} + +static void ClearRecordMixingGift(void) +{ + CpuFill16(0, &gSaveBlock1Ptr->recordMixingGift, sizeof(gSaveBlock1Ptr->recordMixingGift)); +} + +static void SetRecordMixingGift(u8 unk, u8 quantity, u16 itemId) +{ + if (!unk || !quantity || !itemId) + { + ClearRecordMixingGift(); + } + else + { + gSaveBlock1Ptr->recordMixingGift.data.unk0 = unk; + gSaveBlock1Ptr->recordMixingGift.data.quantity = quantity; + gSaveBlock1Ptr->recordMixingGift.data.itemId = itemId; + gSaveBlock1Ptr->recordMixingGift.checksum = CalcRecordMixingGiftChecksum(); + } +} + +u16 GetRecordMixingGift(void) +{ + struct RecordMixingGiftData *data = &gSaveBlock1Ptr->recordMixingGift.data; + + if (!IsRecordMixingGiftValid()) + { + ClearRecordMixingGift(); + return 0; + } + else + { + u16 itemId = data->itemId; + data->quantity--; + if (data->quantity == 0) + ClearRecordMixingGift(); + else + gSaveBlock1Ptr->recordMixingGift.checksum = CalcRecordMixingGiftChecksum(); + + return itemId; + } +} + +bool8 MEScrCmd_end(struct ScriptContext *ctx) +{ + StopScript(ctx); + return TRUE; +} + +bool8 MEScrCmd_checkcompat(struct ScriptContext *ctx) +{ + u16 v1; + u32 v2; + u16 v3; + u32 v4; + + ctx->data[1] = ScriptReadWord(ctx); + v1 = ScriptReadHalfword(ctx); + v2 = ScriptReadWord(ctx); + v3 = ScriptReadHalfword(ctx); + v4 = ScriptReadWord(ctx); + + if (CheckCompatibility(v1, v2, v3, v4) == TRUE) + ctx->data[3] = 1; + else + SetIncompatible(); + + return TRUE; +} + +bool8 MEScrCmd_nop(struct ScriptContext *ctx) +{ + return FALSE; +} + +bool8 MEScrCmd_setstatus(struct ScriptContext *ctx) +{ + u8 value = ScriptReadByte(ctx); + ctx->data[2] = value; + return FALSE; +} + +bool8 MEScrCmd_setmsg(struct ScriptContext *ctx) +{ + u8 value = ScriptReadByte(ctx); + u8 *str = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + if (value == 0xFF || value == ctx->data[2]) + StringExpandPlaceholders(gStringVar4, str); + return FALSE; +} + +bool8 MEScrCmd_runscript(struct ScriptContext *ctx) +{ + u8 *script = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + ScriptContext2_RunNewScript(script); + return FALSE; +} + +bool8 MEScrCmd_setenigmaberry(struct ScriptContext *ctx) +{ + u8 *str; + const u8 *message; + bool32 haveBerry = IsEnigmaBerryValid(); + u8 *berry = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + StringCopyN(gStringVar1, gSaveBlock1Ptr->enigmaBerry.berry.name, BERRY_NAME_COUNT); + SetEnigmaBerry(berry); + StringCopyN(gStringVar2, gSaveBlock1Ptr->enigmaBerry.berry.name, BERRY_NAME_COUNT); + + if (!haveBerry) + { + str = gStringVar4; + message = gText_MysteryGiftBerry; + } + else if (StringCompare(gStringVar1, gStringVar2)) + { + str = gStringVar4; + message = gText_MysteryGiftBerryTransform; + } + else + { + str = gStringVar4; + message = gText_MysteryGiftBerryObtained; + } + + StringExpandPlaceholders(str, message); + + ctx->data[2] = 2; + + if (IsEnigmaBerryValid() == TRUE) + VarSet(VAR_ENIGMA_BERRY_AVAILABLE, 1); + else + ctx->data[2] = 1; + + return FALSE; +} + +bool8 MEScrCmd_giveribbon(struct ScriptContext *ctx) +{ + u8 index = ScriptReadByte(ctx); + u8 ribbonId = ScriptReadByte(ctx); + GiveGiftRibbonToParty(index, ribbonId); + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftSpecialRibbon); + ctx->data[2] = 2; + return FALSE; +} + +bool8 MEScrCmd_initramscript(struct ScriptContext *ctx) +{ + u8 mapGroup = ScriptReadByte(ctx); + u8 mapNum = ScriptReadByte(ctx); + u8 objectId = ScriptReadByte(ctx); + u8 *script = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + u8 *scriptEnd = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + InitRamScript(script, scriptEnd - script, mapGroup, mapNum, objectId); + return FALSE; +} + +bool8 MEScrCmd_givenationaldex(struct ScriptContext *ctx) +{ + EnableNationalPokedex(); + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftNationalDex); + ctx->data[2] = 2; + return FALSE; +} + +bool8 MEScrCmd_addrareword(struct ScriptContext *ctx) +{ + sub_811EFC0(ScriptReadByte(ctx)); + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftRareWord); + ctx->data[2] = 2; + return FALSE; +} + +bool8 MEScrCmd_setrecordmixinggift(struct ScriptContext *ctx) +{ + u8 unk = ScriptReadByte(ctx); + u8 quantity = ScriptReadByte(ctx); + u16 itemId = ScriptReadHalfword(ctx); + SetRecordMixingGift(unk, quantity, itemId); + return FALSE; +} + +bool8 MEScrCmd_givepokemon(struct ScriptContext *ctx) +{ + struct MailStruct mail; + struct Pokemon pokemon; + u16 species; + u16 heldItem; + u32 data = ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]; + void *pokemonPtr = (void *)data; + void *mailPtr = (void *)(data + sizeof(struct Pokemon)); + + pokemon = *(struct Pokemon *)pokemonPtr; + species = GetMonData(&pokemon, MON_DATA_SPECIES2); + + if (species == SPECIES_EGG) + StringCopyN(gStringVar1, gText_EggNickname, POKEMON_NAME_LENGTH + 1); + else + StringCopyN(gStringVar1, gText_Pokemon, POKEMON_NAME_LENGTH + 1); + + if (gPlayerPartyCount == PARTY_SIZE) + { + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftFullParty); + ctx->data[2] = 3; + } + else + { + memcpy(&gPlayerParty[5], pokemonPtr, sizeof(struct Pokemon)); + memcpy(&mail, mailPtr, sizeof(struct MailStruct)); + + if (species != SPECIES_EGG) + { + u16 pokedexNum = SpeciesToNationalPokedexNum(species); + GetSetPokedexFlag(pokedexNum, FLAG_SET_SEEN); + GetSetPokedexFlag(pokedexNum, FLAG_SET_CAUGHT); + } + + heldItem = GetMonData(&gPlayerParty[5], MON_DATA_HELD_ITEM); + if (ItemIsMail(heldItem)) + GiveMailToMon2(&gPlayerParty[5], &mail); + CompactPartySlots(); + CalculatePlayerPartyCount(); + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftSentOver); + ctx->data[2] = 2; + } + + return FALSE; +} + +bool8 MEScrCmd_addtrainer(struct ScriptContext *ctx) +{ + u32 data = ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]; + memcpy((void*)(gSaveBlock2Ptr) + 0xBEC, (void *)data, 0xBC); + ValidateEReaderTrainer(); + StringExpandPlaceholders(gStringVar4, gText_MysteryGiftNewTrainer); + ctx->data[2] = 2; + return FALSE; +} + +bool8 MEScrCmd_enableresetrtc(struct ScriptContext *ctx) +{ + EnableResetRTC(); + StringExpandPlaceholders(gStringVar4, gText_InGameClockUsable); + ctx->data[2] = 2; + return FALSE; +} + +bool8 MEScrCmd_checksum(struct ScriptContext *ctx) +{ + int checksum = ScriptReadWord(ctx); + u8 *data = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + u8 *dataEnd = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + if (checksum != CalcByteArraySum(data, dataEnd - data)) + { + ctx->data[3] = 0; + ctx->data[2] = 1; + } + return TRUE; +} + +bool8 MEScrCmd_crc(struct ScriptContext *ctx) +{ + int crc = ScriptReadWord(ctx); + u8 *data = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + u8 *dataEnd = (u8 *)(ScriptReadWord(ctx) - ctx->data[1] + ctx->data[0]); + if (crc != CalcCRC16(data, dataEnd - data)) + { + ctx->data[3] = 0; + ctx->data[2] = 1; + } + return TRUE; +} |