mirror of
https://github.com/Ninjdai1/pokeemerald.git
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Document walda_phrase
This commit is contained in:
GriffinR
parent
09fd4fc4c5
commit
8a79ca3818
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@ -5,6 +5,7 @@
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#define IN_BOX_ROWS 5 // Number of rows, 6 Pokémon per row
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#define IN_BOX_COLUMNS 6 // Number of columns, 5 Pokémon per column
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#define IN_BOX_COUNT (IN_BOX_ROWS * IN_BOX_COLUMNS)
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#define BOX_NAME_LENGTH 8
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/*
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COLUMNS
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@ -19,7 +20,7 @@ struct PokemonStorage
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{
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/*0x0000*/ u8 currentBox;
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/*0x0001*/ struct BoxPokemon boxes[TOTAL_BOXES_COUNT][IN_BOX_COUNT];
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/*0x8344*/ u8 boxNames[TOTAL_BOXES_COUNT][9];
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/*0x8344*/ u8 boxNames[TOTAL_BOXES_COUNT][BOX_NAME_LENGTH + 1];
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/*0x83C2*/ u8 boxWallpapers[TOTAL_BOXES_COUNT];
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};
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@ -1,6 +1,8 @@
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#ifndef GUARD_WALDA_PHRASE_H
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#define GUARD_WALDA_PHRASE_H
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#define WALDA_PHRASE_LENGTH 15
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u16 TryBufferWaldaPhrase(void);
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void DoWaldaNamingScreen(void);
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u16 TryGetWallpaperWithWaldaPhrase(void);
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@ -997,7 +997,7 @@ void GetConditionMenuMonNameAndLocString(u8 *locationDst, u8 *nameDst, u16 boxId
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if (box == TOTAL_BOXES_COUNT) // Party mon.
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BufferConditionMenuSpacedStringN(&locationDst[5], gText_InParty, 8);
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else
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BufferConditionMenuSpacedStringN(&locationDst[5], GetBoxNamePtr(box), 8);
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BufferConditionMenuSpacedStringN(&locationDst[5], GetBoxNamePtr(box), BOX_NAME_LENGTH);
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}
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else
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{
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@ -25,6 +25,7 @@
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#include "menu.h"
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#include "text_window.h"
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#include "overworld.h"
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#include "walda_phrase.h"
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#include "constants/event_objects.h"
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#include "constants/rgb.h"
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@ -2089,7 +2090,7 @@ static void Debug_NamingScreenNickname(void)
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static const struct NamingScreenTemplate sPlayerNamingScreenTemplate =
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{
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.copyExistingString = FALSE,
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.maxChars = 7,
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.maxChars = PLAYER_NAME_LENGTH,
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.iconFunction = 1,
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.addGenderIcon = FALSE,
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.initialPage = KBPAGE_LETTERS_UPPER,
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@ -2100,7 +2101,7 @@ static const struct NamingScreenTemplate sPlayerNamingScreenTemplate =
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static const struct NamingScreenTemplate sPCBoxNamingTemplate =
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{
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.copyExistingString = FALSE,
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.maxChars = 8,
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.maxChars = BOX_NAME_LENGTH,
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.iconFunction = 2,
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.addGenderIcon = FALSE,
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.initialPage = KBPAGE_LETTERS_UPPER,
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@ -2111,7 +2112,7 @@ static const struct NamingScreenTemplate sPCBoxNamingTemplate =
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static const struct NamingScreenTemplate sMonNamingScreenTemplate =
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{
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.copyExistingString = FALSE,
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.maxChars = 10,
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.maxChars = POKEMON_NAME_LENGTH,
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.iconFunction = 3,
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.addGenderIcon = TRUE,
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.initialPage = KBPAGE_LETTERS_UPPER,
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@ -2122,7 +2123,7 @@ static const struct NamingScreenTemplate sMonNamingScreenTemplate =
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static const struct NamingScreenTemplate sWaldaWordsScreenTemplate =
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{
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.copyExistingString = TRUE,
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.maxChars = 15,
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.maxChars = WALDA_PHRASE_LENGTH,
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.iconFunction = 4,
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.addGenderIcon = FALSE,
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.initialPage = KBPAGE_LETTERS_UPPER,
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@ -5512,7 +5512,7 @@ static void InitBoxTitle(u8 boxId)
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sStorage->boxTitleAltPalOffset = 0x10e + 16 * tagIndex;
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sStorage->wallpaperPalBits |= 0x10000 << tagIndex;
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StringCopyPadded(sStorage->boxTitleText, GetBoxNamePtr(boxId), 0, 8);
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StringCopyPadded(sStorage->boxTitleText, GetBoxNamePtr(boxId), 0, BOX_NAME_LENGTH);
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DrawTextWindowAndBufferTiles(sStorage->boxTitleText, sStorage->boxTitleTiles, 0, 0, 2);
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LoadSpriteSheet(&spriteSheet);
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x = GetBoxTitleBaseX(GetBoxNamePtr(boxId));
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@ -5557,7 +5557,7 @@ static void CreateIncomingBoxTitle(u8 boxId, s8 direction)
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template.paletteTag = PALTAG_BOX_TITLE;
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}
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StringCopyPadded(sStorage->boxTitleText, GetBoxNamePtr(boxId), 0, 8);
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StringCopyPadded(sStorage->boxTitleText, GetBoxNamePtr(boxId), 0, BOX_NAME_LENGTH);
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DrawTextWindowAndBufferTiles(sStorage->boxTitleText, sStorage->boxTitleTiles, 0, 0, 2);
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LoadSpriteSheet(&spriteSheet);
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LoadPalette(sBoxTitleColors[GetBoxWallpaper(boxId)], palOffset, sizeof(sBoxTitleColors[0]));
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@ -435,7 +435,7 @@ void CopyMonNameGenderLocation(s16 id, u8 arg1)
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if (boxId == TOTAL_BOXES_COUNT)
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CopyStringLeftAlignedToConditionData(&structPtr->searchLocBuffer[arg1][5], gText_InParty, 8);
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else
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CopyStringLeftAlignedToConditionData(&structPtr->searchLocBuffer[arg1][5], GetBoxNamePtr(boxId), 8);
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CopyStringLeftAlignedToConditionData(&structPtr->searchLocBuffer[arg1][5], GetBoxNamePtr(boxId), BOX_NAME_LENGTH);
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}
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else
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{
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@ -12,17 +12,20 @@
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extern const u8 gText_Peekaboo[];
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// this file's functions
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static void CB2_HandleGivenWaldaPhrase(void);
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static u32 GetWaldaPhraseInputCase(u8 *inputPtr);
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static bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase);
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static void sub_81D9D5C(u8 *array, u8 *letterTableIds, u32 arg2, u32 arg3, u32 loopCount);
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static u32 sub_81D9DAC(u8 *array, u32 arg1, u32 loopCount);
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static void sub_81D9C90(u8 *array, s32 arg1, s32 arg2);
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static void sub_81D9CDC(u8 *array, u32 loopCount, u8 arg2);
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static u32 GetWaldaPhraseInputCase(u8 *);
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static bool32 TryCalculateWallpaper(u16 *, u16 *, u8 *, u8 *, u16, u8 *);
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static void SetWallpaperDataFromLetter(u8 *, u8 *, u32, u32, u32);
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static u32 GetWallpaperDataBits(u8 *, u32, u32);
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static void RotateWallpaperDataLeft(u8 *, s32, s32);
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static void MaskWallpaperData(u8 *, u32, u8);
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// only consonants are allowed, no vowels, some lowercase letters are missing
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static const u8 sWaldaLettersTable[] =
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// There are 32 (2^5) unique letters allowed in a successful phrase for Walda.
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#define BITS_PER_LETTER 5
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// The letters allowed in a successful phrase for Walda
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// All vowels are excluded, as well as X/x, Y/y, l, r, t, v, w, and z.
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static const u8 sWaldaLettersTable[1 << BITS_PER_LETTER] =
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{
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CHAR_B, CHAR_C, CHAR_D, CHAR_F, CHAR_G, CHAR_H, CHAR_J, CHAR_K, CHAR_L, CHAR_M, CHAR_N, CHAR_P, CHAR_Q, CHAR_R, CHAR_S, CHAR_T, CHAR_V, CHAR_W, CHAR_Z,
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CHAR_b, CHAR_c, CHAR_d, CHAR_f, CHAR_g, CHAR_h, CHAR_j, CHAR_k, CHAR_m, CHAR_n, CHAR_p, CHAR_q, CHAR_s
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@ -30,9 +33,9 @@ static const u8 sWaldaLettersTable[] =
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enum
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{
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PHRASE_GIVEN_NEW,
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PHRASE_CHANGED,
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PHRASE_NO_CHANGE,
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PHRASE_FIRST_ATTEMPT
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PHRASE_EMPTY
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};
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u16 TryBufferWaldaPhrase(void)
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@ -56,13 +59,15 @@ static void CB2_HandleGivenWaldaPhrase(void)
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switch (gSpecialVar_0x8004)
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{
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case PHRASE_FIRST_ATTEMPT:
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case PHRASE_EMPTY:
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// If saved phrase is also empty, set default phrase
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// Otherwise keep saved phrase
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if (IsWaldaPhraseEmpty())
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SetWaldaPhrase(gText_Peekaboo);
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else
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gSpecialVar_0x8004 = PHRASE_NO_CHANGE;
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break;
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case PHRASE_GIVEN_NEW:
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case PHRASE_CHANGED:
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SetWaldaPhrase(gStringVar2);
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break;
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case PHRASE_NO_CHANGE:
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@ -76,12 +81,16 @@ static void CB2_HandleGivenWaldaPhrase(void)
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static u32 GetWaldaPhraseInputCase(u8 *inputPtr)
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{
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// No input given
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if (inputPtr[0] == EOS)
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return PHRASE_FIRST_ATTEMPT;
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return PHRASE_EMPTY;
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// Input given is the same as saved phrase
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if (StringCompare(inputPtr, GetWaldaPhrasePtr()) == 0)
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return PHRASE_NO_CHANGE;
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return PHRASE_GIVEN_NEW;
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// Input is new phrase
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return PHRASE_CHANGED;
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}
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u16 TryGetWallpaperWithWaldaPhrase(void)
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@ -99,7 +108,7 @@ u16 TryGetWallpaperWithWaldaPhrase(void)
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}
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SetWaldaWallpaperLockedOrUnlocked(gSpecialVar_Result);
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return (bool8)(gSpecialVar_Result);
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return (bool8)gSpecialVar_Result;
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}
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static u8 GetLetterTableId(u8 letter)
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@ -115,132 +124,155 @@ static u8 GetLetterTableId(u8 letter)
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return ARRAY_COUNT(sWaldaLettersTable);
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}
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// Attempts to generate a wallpaper based on the given trainer id and phrase.
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// Returns TRUE if successful and sets the wallpaper results to the given pointers.
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// Returns FALSE if no wallpaper was generated (Walda "didn't like" the phrase).
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// A 9-byte array is used to calculate the wallpaper's data.
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// The elements of this array are defined below.
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#define BG_COLOR_LO data[0]
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#define BG_COLOR_HI data[1]
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#define FG_COLOR_LO data[2]
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#define FG_COLOR_HI data[3]
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#define ICON_ID data[4]
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#define PATTERN_ID data[5]
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#define TID_CHECK_HI data[6]
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#define TID_CHECK_LO data[7]
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#define KEY data[8]
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#define NUM_WALLPAPER_DATA_BYTES 9
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#define TO_BIT_OFFSET(i) (3 + (8 * (i))) // Convert a position in the phrase to a bit number into the wallpaper data array
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static bool32 TryCalculateWallpaper(u16* backgroundClr, u16 *foregroundClr, u8 *iconId, u8 *patternId, u16 trainerId, u8 *phrase)
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{
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s32 i;
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ALIGNED(2) u8 array[12];
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u8 charsByTableId[16];
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ALIGNED(2) u8 data[NUM_WALLPAPER_DATA_BYTES];
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u8 charsByTableId[WALDA_PHRASE_LENGTH];
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u16 *ptr;
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if (StringLength(phrase) != 15)
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// Reject any phrase that does not use the full length
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if (StringLength(phrase) != WALDA_PHRASE_LENGTH)
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return FALSE;
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for (i = 0; i < 15; i++)
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// Reject any phrase that uses characters not in sWaldaLettersTable
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for (i = 0; i < WALDA_PHRASE_LENGTH; i++)
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{
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charsByTableId[i] = GetLetterTableId(phrase[i]);
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if (charsByTableId[i] == ARRAY_COUNT(sWaldaLettersTable))
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return FALSE;
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}
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for (i = 0; i < 14; i++)
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{
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sub_81D9D5C(array, charsByTableId, (5 * i), 3 + (8 * i), 5);
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}
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// Use the given phrase to populate the wallpaper data array
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// The data array is 9 bytes (72 bits) long, and each letter contributes to 5 bits of the array
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// Because the phrase is 15 letters long there are 75 bits from the phrase to distribute
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// Therefore the last letter contributes to the last 2 bits of the array, and the remaining 3 bits wrap around
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for (i = 0; i < WALDA_PHRASE_LENGTH - 1; i++)
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SetWallpaperDataFromLetter(data, charsByTableId, BITS_PER_LETTER * i, TO_BIT_OFFSET(i), BITS_PER_LETTER);
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sub_81D9D5C(array, charsByTableId, 70, 115, 2);
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// Do first 2 bits of the last letter
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SetWallpaperDataFromLetter(data, charsByTableId, BITS_PER_LETTER * (WALDA_PHRASE_LENGTH - 1), TO_BIT_OFFSET(WALDA_PHRASE_LENGTH - 1), 2);
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if (sub_81D9DAC(array, 0, 3) != sub_81D9DAC(charsByTableId, 117, 3))
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// Check the first 3 bits of the data array against the remaining 3 bits of the last letter
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// Reject the phrase if they are not already the same
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if (GetWallpaperDataBits(data, 0, 3) != GetWallpaperDataBits(charsByTableId, TO_BIT_OFFSET(WALDA_PHRASE_LENGTH - 1) + 2, 3))
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return FALSE;
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sub_81D9C90(array, 9, 21);
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sub_81D9C90(array, 8, array[8] & 0xF);
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sub_81D9CDC(array, 8, array[8] >> 4);
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// Perform some relatively arbitrary changes to the wallpaper data using the last byte (KEY)
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RotateWallpaperDataLeft(data, NUM_WALLPAPER_DATA_BYTES, 21);
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RotateWallpaperDataLeft(data, NUM_WALLPAPER_DATA_BYTES - 1, KEY & 0xF);
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MaskWallpaperData(data, NUM_WALLPAPER_DATA_BYTES - 1, KEY >> 4);
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if (array[6] != (array[0] ^ array[2] ^ array[4] ^ (trainerId >> 8)))
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// Reject the results of any phrase that are 'incompatible' with the player's trainer id
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if (TID_CHECK_HI != (BG_COLOR_LO ^ FG_COLOR_LO ^ ICON_ID ^ (trainerId >> 8)))
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return FALSE;
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if (TID_CHECK_LO != (BG_COLOR_HI ^ FG_COLOR_HI ^ PATTERN_ID ^ (trainerId & 0xFF)))
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return FALSE;
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if (array[7] != (array[1] ^ array[3] ^ array[5] ^ (trainerId & 0xFF)))
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return FALSE;
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ptr = (u16*)(&array[0]);
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// Successful phrase, save resulting wallpaper
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ptr = (u16*) &BG_COLOR_LO;
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*backgroundClr = *ptr;
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ptr = (u16*)(&array[2]);
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ptr = (u16*) &FG_COLOR_LO;
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*foregroundClr = *ptr;
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*iconId = array[4];
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*patternId = array[5];
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*iconId = ICON_ID;
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*patternId = PATTERN_ID;
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return TRUE;
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}
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static void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
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static void RotateWallpaperDataLeft(u8 *data, s32 size, s32 numShifts)
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{
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s32 i, j;
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u8 var1, var2;
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u8 temp1, temp2;
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for (i = arg2 - 1; i != -1; i--)
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for (i = numShifts - 1; i != -1; i--)
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{
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var1 = (array[0] & 0x80) >> 7;
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temp1 = (data[0] & (1 << 7)) >> 7;
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for (j = arg1 - 1; j >= 0; j--)
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for (j = size - 1; j >= 0; j--)
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{
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var2 = (array[j] & 0x80) >> 7;
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array[j] <<= 1;
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array[j] |= var1;
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var1 = var2;
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temp2 = (data[j] & (1 << 7)) >> 7;
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data[j] <<= 1;
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data[j] |= temp1;
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temp1 = temp2;
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}
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}
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}
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static void sub_81D9CDC(u8 *array, u32 loopCount, u8 arg2)
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static void MaskWallpaperData(u8 *data, u32 size, u8 mask)
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{
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u32 i;
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arg2 |= (arg2 << 4);
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mask |= (mask << 4);
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for (i = 0; i < loopCount; i++)
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{
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array[i] ^= arg2;
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}
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for (i = 0; i < size; i++)
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data[i] ^= mask;
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}
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static bool8 sub_81D9D0C(u8 *array, u32 arg1)
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static bool8 GetWallpaperDataBit(u8 *data, u32 bitNum)
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{
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u32 arrayId = arg1 >> 3;
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u32 bits = 0x80 >> (7 & arg1);
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u32 i = bitNum / 8;
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u32 flag = (1 << 7) >> (bitNum % 8);
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return ((array[arrayId] & bits) != 0);
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return (data[i] & flag) != 0;
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}
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static void sub_81D9D28(u8 *array, u32 arg1)
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static void SetWallpaperDataBit(u8 *data, u32 bitNum)
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{
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u32 arrayId = arg1 >> 3;
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u8 bits = 0x80 >> (7 & arg1);
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u32 i = bitNum / 8;
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u8 flag = (1 << 7) >> (bitNum % 8);
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array[arrayId] |= bits;
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data[i] |= flag;
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}
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static void sub_81D9D40(u8 *array, u32 arg1)
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static void ClearWallpaperDataBit(u8 *data, u32 bitNum)
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{
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u32 arrayId = arg1 >> 3;
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u8 bits = ~(0x80 >> (7 & arg1));
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u32 i = bitNum / 8;
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u8 mask = ~((1 << 7) >> (bitNum % 8));
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array[arrayId] &= bits;
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data[i] &= mask;
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}
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static void sub_81D9D5C(u8 *array, u8 *letterTableIds, u32 arg2, u32 arg3, u32 loopCount)
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static void SetWallpaperDataFromLetter(u8 *data, u8 *letterTableIds, u32 setOffset, u32 getOffset, u32 numBits)
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{
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u32 i;
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for (i = 0; i < loopCount; i++)
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for (i = 0; i < numBits; i++)
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{
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if (sub_81D9D0C(letterTableIds, arg3 + i))
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sub_81D9D28(array, arg2 + i);
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if (GetWallpaperDataBit(letterTableIds, getOffset + i))
|
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SetWallpaperDataBit(data, setOffset + i);
|
||||
else
|
||||
sub_81D9D40(array, arg2 + i);
|
||||
ClearWallpaperDataBit(data, setOffset + i);
|
||||
}
|
||||
}
|
||||
|
||||
static u32 sub_81D9DAC(u8 *array, u32 arg1, u32 loopCount)
|
||||
static u32 GetWallpaperDataBits(u8 *data, u32 offset, u32 numBits)
|
||||
{
|
||||
u32 ret, i;
|
||||
u32 bits, i;
|
||||
|
||||
for (ret = 0, i = 0; i < loopCount; i++)
|
||||
for (bits = 0, i = 0; i < numBits; i++)
|
||||
{
|
||||
ret <<= 1;
|
||||
ret |= sub_81D9D0C(array, arg1 + i);
|
||||
bits <<= 1;
|
||||
bits |= GetWallpaperDataBit(data, offset + i);
|
||||
}
|
||||
|
||||
return ret;
|
||||
return bits;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user