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Merge pull request #1640 from GriffinRichards/doc-egg-hatch

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Improve egg hatch documentation
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GriffinR 2022-03-12 09:41:14 -05:00 committed by GitHub
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3 changed files with 265 additions and 211 deletions
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graphics/misc/egg_hatch.png → graphics/pokemon/egg/hatch.png
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graphics/misc/egg_shard.png → graphics/pokemon/egg/shard.png
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src/egg_hatch.c
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@ -37,16 +37,24 @@
#include "battle.h" // to get rid of later #include "battle.h" // to get rid of later
#include "constants/rgb.h" #include "constants/rgb.h"
#define GFXTAG_EGG 12345
#define GFXTAG_EGG_SHARD 23456
#define PALTAG_EGG 54321
#define EGG_X (DISPLAY_WIDTH / 2)
#define EGG_Y (DISPLAY_HEIGHT / 2 - 5)
struct EggHatchData struct EggHatchData
{ {
u8 eggSpriteID; u8 eggSpriteId;
u8 pokeSpriteID; u8 monSpriteId;
u8 CB2_state; u8 state;
u8 CB2_PalCounter; u8 delayTimer;
u8 eggPartyID; u8 eggPartyId;
u8 unused_5; u8 unused_5;
u8 unused_6; u8 unused_6;
u8 eggShardVelocityID; u8 eggShardVelocityId;
u8 windowId; u8 windowId;
u8 unused_9; u8 unused_9;
u8 unused_A; u8 unused_A;
@ -58,29 +66,27 @@ extern const u32 gTradePlatform_Tilemap[];
extern const u8 gText_HatchedFromEgg[]; extern const u8 gText_HatchedFromEgg[];
extern const u8 gText_NicknameHatchPrompt[]; extern const u8 gText_NicknameHatchPrompt[];
static void Task_EggHatch(u8 taskID); static void Task_EggHatch(u8);
static void CB2_EggHatch_0(void); static void CB2_LoadEggHatch(void);
static void CB2_EggHatch_1(void); static void CB2_EggHatch(void);
static void SpriteCB_Egg_0(struct Sprite* sprite); static void SpriteCB_Egg_Shake1(struct Sprite*);
static void SpriteCB_Egg_1(struct Sprite* sprite); static void SpriteCB_Egg_Shake2(struct Sprite*);
static void SpriteCB_Egg_2(struct Sprite* sprite); static void SpriteCB_Egg_Shake3(struct Sprite*);
static void SpriteCB_Egg_3(struct Sprite* sprite); static void SpriteCB_Egg_WaitHatch(struct Sprite*);
static void SpriteCB_Egg_4(struct Sprite* sprite); static void SpriteCB_Egg_Hatch(struct Sprite*);
static void SpriteCB_Egg_5(struct Sprite* sprite); static void SpriteCB_Egg_Reveal(struct Sprite*);
static void SpriteCB_EggShard(struct Sprite* sprite); static void SpriteCB_EggShard(struct Sprite*);
static void EggHatchPrintMessage(u8 windowId, u8* string, u8 x, u8 y, u8 speed); static void EggHatchPrintMessage(u8, u8*, u8, u8, u8);
static void CreateRandomEggShardSprite(void); static void CreateRandomEggShardSprite(void);
static void CreateEggShardSprite(u8 x, u8 y, s16 data1, s16 data2, s16 data3, u8 spriteAnimIndex); static void CreateEggShardSprite(u8, u8, s16, s16, s16, u8);
// IWRAM bss
static struct EggHatchData *sEggHatchData; static struct EggHatchData *sEggHatchData;
// rom data
static const u16 sEggPalette[] = INCBIN_U16("graphics/pokemon/egg/normal.gbapal"); static const u16 sEggPalette[] = INCBIN_U16("graphics/pokemon/egg/normal.gbapal");
static const u8 sEggHatchTiles[] = INCBIN_U8("graphics/misc/egg_hatch.4bpp"); static const u8 sEggHatchTiles[] = INCBIN_U8("graphics/pokemon/egg/hatch.4bpp");
static const u8 sEggShardTiles[] = INCBIN_U8("graphics/misc/egg_shard.4bpp"); static const u8 sEggShardTiles[] = INCBIN_U8("graphics/pokemon/egg/shard.4bpp");
static const struct OamData sOamData_EggHatch = static const struct OamData sOamData_Egg =
{ {
.y = 0, .y = 0,
.affineMode = ST_OAM_AFFINE_OFF, .affineMode = ST_OAM_AFFINE_OFF,
@ -97,64 +103,71 @@ static const struct OamData sOamData_EggHatch =
.affineParam = 0, .affineParam = 0,
}; };
static const union AnimCmd sSpriteAnim_EggHatch0[] = static const union AnimCmd sSpriteAnim_Egg_Normal[] =
{ {
ANIMCMD_FRAME(0, 5), ANIMCMD_FRAME(0, 5),
ANIMCMD_END ANIMCMD_END
}; };
static const union AnimCmd sSpriteAnim_EggHatch1[] = static const union AnimCmd sSpriteAnim_Egg_Cracked1[] =
{ {
ANIMCMD_FRAME(16, 5), ANIMCMD_FRAME(16, 5),
ANIMCMD_END ANIMCMD_END
}; };
static const union AnimCmd sSpriteAnim_EggHatch2[] = static const union AnimCmd sSpriteAnim_Egg_Cracked2[] =
{ {
ANIMCMD_FRAME(32, 5), ANIMCMD_FRAME(32, 5),
ANIMCMD_END ANIMCMD_END
}; };
static const union AnimCmd sSpriteAnim_EggHatch3[] = static const union AnimCmd sSpriteAnim_Egg_Cracked3[] =
{ {
ANIMCMD_FRAME(48, 5), ANIMCMD_FRAME(48, 5),
ANIMCMD_END ANIMCMD_END
}; };
static const union AnimCmd *const sSpriteAnimTable_EggHatch[] = enum {
EGG_ANIM_NORMAL,
EGG_ANIM_CRACKED_1,
EGG_ANIM_CRACKED_2,
EGG_ANIM_CRACKED_3,
};
static const union AnimCmd *const sSpriteAnimTable_Egg[] =
{ {
sSpriteAnim_EggHatch0, [EGG_ANIM_NORMAL] = sSpriteAnim_Egg_Normal,
sSpriteAnim_EggHatch1, [EGG_ANIM_CRACKED_1] = sSpriteAnim_Egg_Cracked1,
sSpriteAnim_EggHatch2, [EGG_ANIM_CRACKED_2] = sSpriteAnim_Egg_Cracked2,
sSpriteAnim_EggHatch3, [EGG_ANIM_CRACKED_3] = sSpriteAnim_Egg_Cracked3,
}; };
static const struct SpriteSheet sEggHatch_Sheet = static const struct SpriteSheet sEggHatch_Sheet =
{ {
.data = sEggHatchTiles, .data = sEggHatchTiles,
.size = 2048, .size = 0x800,
.tag = 12345, .tag = GFXTAG_EGG,
}; };
static const struct SpriteSheet sEggShards_Sheet = static const struct SpriteSheet sEggShards_Sheet =
{ {
.data = sEggShardTiles, .data = sEggShardTiles,
.size = 128, .size = 0x80,
.tag = 23456, .tag = GFXTAG_EGG_SHARD,
}; };
static const struct SpritePalette sEgg_SpritePalette = static const struct SpritePalette sEgg_SpritePalette =
{ {
.data = sEggPalette, .data = sEggPalette,
.tag = 54321 .tag = PALTAG_EGG
}; };
static const struct SpriteTemplate sSpriteTemplate_EggHatch = static const struct SpriteTemplate sSpriteTemplate_Egg =
{ {
.tileTag = 12345, .tileTag = GFXTAG_EGG,
.paletteTag = 54321, .paletteTag = PALTAG_EGG,
.oam = &sOamData_EggHatch, .oam = &sOamData_Egg,
.anims = sSpriteAnimTable_EggHatch, .anims = sSpriteAnimTable_Egg,
.images = NULL, .images = NULL,
.affineAnims = gDummySpriteAffineAnimTable, .affineAnims = gDummySpriteAffineAnimTable,
.callback = SpriteCallbackDummy .callback = SpriteCallbackDummy
@ -211,8 +224,8 @@ static const union AnimCmd *const sSpriteAnimTable_EggShard[] =
static const struct SpriteTemplate sSpriteTemplate_EggShard = static const struct SpriteTemplate sSpriteTemplate_EggShard =
{ {
.tileTag = 23456, .tileTag = GFXTAG_EGG_SHARD,
.paletteTag = 54321, .paletteTag = PALTAG_EGG,
.oam = &sOamData_EggShard, .oam = &sOamData_EggShard,
.anims = sSpriteAnimTable_EggShard, .anims = sSpriteAnimTable_EggShard,
.images = NULL, .images = NULL,
@ -220,7 +233,7 @@ static const struct SpriteTemplate sSpriteTemplate_EggShard =
.callback = SpriteCB_EggShard .callback = SpriteCB_EggShard
}; };
static const struct BgTemplate sBgTemplates_EggHatch[2] = static const struct BgTemplate sBgTemplates_EggHatch[] =
{ {
{ {
.bg = 0, .bg = 0,
@ -243,7 +256,7 @@ static const struct BgTemplate sBgTemplates_EggHatch[2] =
}, },
}; };
static const struct WindowTemplate sWinTemplates_EggHatch[2] = static const struct WindowTemplate sWinTemplates_EggHatch[] =
{ {
{ {
.bg = 0, .bg = 0,
@ -270,9 +283,14 @@ static const struct WindowTemplate sYesNoWinTemplate =
static const s16 sEggShardVelocities[][2] = static const s16 sEggShardVelocities[][2] =
{ {
// First shake
{Q_8_8(-1.5), Q_8_8(-3.75)}, {Q_8_8(-1.5), Q_8_8(-3.75)},
// Third shake
{Q_8_8(-5), Q_8_8(-3)}, {Q_8_8(-5), Q_8_8(-3)},
{Q_8_8(3.5), Q_8_8(-3)}, {Q_8_8(3.5), Q_8_8(-3)},
// Hatching
{Q_8_8(-4), Q_8_8(-3.75)}, {Q_8_8(-4), Q_8_8(-3.75)},
{Q_8_8(2), Q_8_8(-1.5)}, {Q_8_8(2), Q_8_8(-1.5)},
{Q_8_8(-0.5), Q_8_8(-6.75)}, {Q_8_8(-0.5), Q_8_8(-6.75)},
@ -291,8 +309,6 @@ static const s16 sEggShardVelocities[][2] =
{Q_8_8(2.5), Q_8_8(-7.5)}, {Q_8_8(2.5), Q_8_8(-7.5)},
}; };
// code
static void CreateHatchedMon(struct Pokemon *egg, struct Pokemon *temp) static void CreateHatchedMon(struct Pokemon *egg, struct Pokemon *temp)
{ {
u16 species; u16 species;
@ -301,21 +317,17 @@ static void CreateHatchedMon(struct Pokemon *egg, struct Pokemon *temp)
u16 moves[MAX_MON_MOVES]; u16 moves[MAX_MON_MOVES];
u32 ivs[NUM_STATS]; u32 ivs[NUM_STATS];
species = GetMonData(egg, MON_DATA_SPECIES); species = GetMonData(egg, MON_DATA_SPECIES);
for (i = 0; i < MAX_MON_MOVES; i++) for (i = 0; i < MAX_MON_MOVES; i++)
{
moves[i] = GetMonData(egg, MON_DATA_MOVE1 + i); moves[i] = GetMonData(egg, MON_DATA_MOVE1 + i);
}
personality = GetMonData(egg, MON_DATA_PERSONALITY); personality = GetMonData(egg, MON_DATA_PERSONALITY);
for (i = 0; i < NUM_STATS; i++) for (i = 0; i < NUM_STATS; i++)
{
ivs[i] = GetMonData(egg, MON_DATA_HP_IV + i); ivs[i] = GetMonData(egg, MON_DATA_HP_IV + i);
}
// The language is initially read from the Egg but is later overwritten below
language = GetMonData(egg, MON_DATA_LANGUAGE); language = GetMonData(egg, MON_DATA_LANGUAGE);
gameMet = GetMonData(egg, MON_DATA_MET_GAME); gameMet = GetMonData(egg, MON_DATA_MET_GAME);
markings = GetMonData(egg, MON_DATA_MARKINGS); markings = GetMonData(egg, MON_DATA_MARKINGS);
@ -325,14 +337,10 @@ static void CreateHatchedMon(struct Pokemon *egg, struct Pokemon *temp)
CreateMon(temp, species, EGG_HATCH_LEVEL, USE_RANDOM_IVS, TRUE, personality, OT_ID_PLAYER_ID, 0); CreateMon(temp, species, EGG_HATCH_LEVEL, USE_RANDOM_IVS, TRUE, personality, OT_ID_PLAYER_ID, 0);
for (i = 0; i < MAX_MON_MOVES; i++) for (i = 0; i < MAX_MON_MOVES; i++)
{
SetMonData(temp, MON_DATA_MOVE1 + i, &moves[i]); SetMonData(temp, MON_DATA_MOVE1 + i, &moves[i]);
}
for (i = 0; i < NUM_STATS; i++) for (i = 0; i < NUM_STATS; i++)
{
SetMonData(temp, MON_DATA_HP_IV + i, &ivs[i]); SetMonData(temp, MON_DATA_HP_IV + i, &ivs[i]);
}
language = GAME_LANGUAGE; language = GAME_LANGUAGE;
SetMonData(temp, MON_DATA_LANGUAGE, &language); SetMonData(temp, MON_DATA_LANGUAGE, &language);
@ -350,34 +358,35 @@ static void CreateHatchedMon(struct Pokemon *egg, struct Pokemon *temp)
static void AddHatchedMonToParty(u8 id) static void AddHatchedMonToParty(u8 id)
{ {
u8 isEgg = 0x46; // ? u8 isEgg = 0x46; // ?
u16 pokeNum; u16 species;
u8 name[12]; u8 name[POKEMON_NAME_LENGTH + 1];
u16 ball; u16 ball;
u16 caughtLvl; u16 metLevel;
u8 mapNameID; u8 metLocation;
struct Pokemon* mon = &gPlayerParty[id]; struct Pokemon* mon = &gPlayerParty[id];
CreateHatchedMon(mon, &gEnemyParty[0]); CreateHatchedMon(mon, &gEnemyParty[0]);
SetMonData(mon, MON_DATA_IS_EGG, &isEgg); SetMonData(mon, MON_DATA_IS_EGG, &isEgg);
pokeNum = GetMonData(mon, MON_DATA_SPECIES); species = GetMonData(mon, MON_DATA_SPECIES);
GetSpeciesName(name, pokeNum); GetSpeciesName(name, species);
SetMonData(mon, MON_DATA_NICKNAME, name); SetMonData(mon, MON_DATA_NICKNAME, name);
pokeNum = SpeciesToNationalPokedexNum(pokeNum); species = SpeciesToNationalPokedexNum(species);
GetSetPokedexFlag(pokeNum, FLAG_SET_SEEN); GetSetPokedexFlag(species, FLAG_SET_SEEN);
GetSetPokedexFlag(pokeNum, FLAG_SET_CAUGHT); GetSetPokedexFlag(species, FLAG_SET_CAUGHT);
GetMonNickname2(mon, gStringVar1); GetMonNickname2(mon, gStringVar1);
ball = ITEM_POKE_BALL; ball = ITEM_POKE_BALL;
SetMonData(mon, MON_DATA_POKEBALL, &ball); SetMonData(mon, MON_DATA_POKEBALL, &ball);
caughtLvl = 0; // A met level of 0 is interpreted on the summary screen as "hatched at"
SetMonData(mon, MON_DATA_MET_LEVEL, &caughtLvl); metLevel = 0;
SetMonData(mon, MON_DATA_MET_LEVEL, &metLevel);
mapNameID = GetCurrentRegionMapSectionId(); metLocation = GetCurrentRegionMapSectionId();
SetMonData(mon, MON_DATA_MET_LOCATION, &mapNameID); SetMonData(mon, MON_DATA_MET_LOCATION, &metLocation);
MonRestorePP(mon); MonRestorePP(mon);
CalculateMonStats(mon); CalculateMonStats(mon);
@ -411,26 +420,27 @@ bool8 CheckDaycareMonReceivedMail(void)
return _CheckDaycareMonReceivedMail(&gSaveBlock1Ptr->daycare, gSpecialVar_0x8004); return _CheckDaycareMonReceivedMail(&gSaveBlock1Ptr->daycare, gSpecialVar_0x8004);
} }
static u8 EggHatchCreateMonSprite(u8 useAlt, u8 switchID, u8 pokeID, u16* speciesLoc) static u8 EggHatchCreateMonSprite(u8 useAlt, u8 state, u8 partyId, u16* speciesLoc)
{ {
u8 position = 0; u8 position = 0;
u8 spriteID = 0; u8 spriteId = 0;
struct Pokemon* mon = NULL; struct Pokemon* mon = NULL;
if (useAlt == FALSE) if (useAlt == FALSE)
{ {
mon = &gPlayerParty[pokeID]; mon = &gPlayerParty[partyId];
position = B_POSITION_OPPONENT_LEFT; position = B_POSITION_OPPONENT_LEFT;
} }
if (useAlt == TRUE) if (useAlt == TRUE)
{ {
// Alternate sprite allocation position. Never reached. // Alternate sprite allocation position. Never reached.
mon = &gPlayerParty[pokeID]; mon = &gPlayerParty[partyId];
position = B_POSITION_OPPONENT_RIGHT; position = B_POSITION_OPPONENT_RIGHT;
} }
switch (switchID) switch (state)
{ {
case 0: case 0:
// Load mon sprite gfx
{ {
u16 species = GetMonData(mon, MON_DATA_SPECIES); u16 species = GetMonData(mon, MON_DATA_SPECIES);
u32 pid = GetMonData(mon, MON_DATA_PERSONALITY); u32 pid = GetMonData(mon, MON_DATA_PERSONALITY);
@ -442,13 +452,14 @@ static u8 EggHatchCreateMonSprite(u8 useAlt, u8 switchID, u8 pokeID, u16* specie
} }
break; break;
case 1: case 1:
// Create mon sprite
SetMultiuseSpriteTemplateToPokemon(GetMonSpritePalStruct(mon)->tag, position); SetMultiuseSpriteTemplateToPokemon(GetMonSpritePalStruct(mon)->tag, position);
spriteID = CreateSprite(&gMultiuseSpriteTemplate, 120, 75, 6); spriteId = CreateSprite(&gMultiuseSpriteTemplate, EGG_X, EGG_Y, 6);
gSprites[spriteID].invisible = TRUE; gSprites[spriteId].invisible = TRUE;
gSprites[spriteID].callback = SpriteCallbackDummy; gSprites[spriteId].callback = SpriteCallbackDummy;
break; break;
} }
return spriteID; return spriteId;
} }
static void VBlankCB_EggHatch(void) static void VBlankCB_EggHatch(void)
@ -465,28 +476,28 @@ void EggHatch(void)
FadeScreen(FADE_TO_BLACK, 0); FadeScreen(FADE_TO_BLACK, 0);
} }
static void Task_EggHatch(u8 taskID) static void Task_EggHatch(u8 taskId)
{ {
if (!gPaletteFade.active) if (!gPaletteFade.active)
{ {
CleanupOverworldWindowsAndTilemaps(); CleanupOverworldWindowsAndTilemaps();
SetMainCallback2(CB2_EggHatch_0); SetMainCallback2(CB2_LoadEggHatch);
gFieldCallback = FieldCB_ContinueScriptHandleMusic; gFieldCallback = FieldCB_ContinueScriptHandleMusic;
DestroyTask(taskID); DestroyTask(taskId);
} }
} }
static void CB2_EggHatch_0(void) static void CB2_LoadEggHatch(void)
{ {
switch (gMain.state) switch (gMain.state)
{ {
case 0: case 0:
SetGpuReg(REG_OFFSET_DISPCNT, 0); SetGpuReg(REG_OFFSET_DISPCNT, 0);
sEggHatchData = Alloc(sizeof(struct EggHatchData)); sEggHatchData = Alloc(sizeof(*sEggHatchData));
AllocateMonSpritesGfx(); AllocateMonSpritesGfx();
sEggHatchData->eggPartyID = gSpecialVar_0x8004; sEggHatchData->eggPartyId = gSpecialVar_0x8004;
sEggHatchData->eggShardVelocityID = 0; sEggHatchData->eggShardVelocityId = 0;
SetVBlankCallback(VBlankCB_EggHatch); SetVBlankCallback(VBlankCB_EggHatch);
gSpecialVar_0x8005 = GetCurrentMapMusic(); gSpecialVar_0x8005 = GetCurrentMapMusic();
@ -532,15 +543,15 @@ static void CB2_EggHatch_0(void)
break; break;
case 4: case 4:
CopyBgTilemapBufferToVram(0); CopyBgTilemapBufferToVram(0);
AddHatchedMonToParty(sEggHatchData->eggPartyID); AddHatchedMonToParty(sEggHatchData->eggPartyId);
gMain.state++; gMain.state++;
break; break;
case 5: case 5:
EggHatchCreateMonSprite(FALSE, 0, sEggHatchData->eggPartyID, &sEggHatchData->species); EggHatchCreateMonSprite(FALSE, 0, sEggHatchData->eggPartyId, &sEggHatchData->species);
gMain.state++; gMain.state++;
break; break;
case 6: case 6:
sEggHatchData->pokeSpriteID = EggHatchCreateMonSprite(FALSE, 1, sEggHatchData->eggPartyID, &sEggHatchData->species); sEggHatchData->monSpriteId = EggHatchCreateMonSprite(FALSE, 1, sEggHatchData->eggPartyId, &sEggHatchData->species);
gMain.state++; gMain.state++;
break; break;
case 7: case 7:
@ -552,8 +563,8 @@ static void CB2_EggHatch_0(void)
gMain.state++; gMain.state++;
break; break;
case 8: case 8:
SetMainCallback2(CB2_EggHatch_1); SetMainCallback2(CB2_EggHatch);
sEggHatchData->CB2_state = 0; sEggHatchData->state = 0;
break; break;
} }
RunTasks(); RunTasks();
@ -571,121 +582,127 @@ static void EggHatchSetMonNickname(void)
SetMainCallback2(CB2_ReturnToField); SetMainCallback2(CB2_ReturnToField);
} }
static void Task_EggHatchPlayBGM(u8 taskID) #define tTimer data[0]
static void Task_EggHatchPlayBGM(u8 taskId)
{ {
if (gTasks[taskID].data[0] == 0) if (gTasks[taskId].tTimer == 0)
{ {
StopMapMusic(); StopMapMusic();
PlayRainStoppingSoundEffect(); PlayRainStoppingSoundEffect();
} }
if (gTasks[taskID].data[0] == 1)
if (gTasks[taskId].tTimer == 1)
PlayBGM(MUS_EVOLUTION_INTRO); PlayBGM(MUS_EVOLUTION_INTRO);
if (gTasks[taskID].data[0] > 60)
if (gTasks[taskId].tTimer > 60)
{ {
PlayBGM(MUS_EVOLUTION); PlayBGM(MUS_EVOLUTION);
DestroyTask(taskID); DestroyTask(taskId);
// UB: task is destroyed, yet the value is incremented
#ifdef UBFIX
return;
#endif
} }
gTasks[taskID].data[0]++; gTasks[taskId].tTimer++;
} }
static void CB2_EggHatch_1(void) static void CB2_EggHatch(void)
{ {
u16 species; u16 species;
u8 gender; u8 gender;
u32 personality; u32 personality;
switch (sEggHatchData->CB2_state) switch (sEggHatchData->state)
{ {
case 0: case 0:
BeginNormalPaletteFade(PALETTES_ALL, 0, 0x10, 0, RGB_BLACK); BeginNormalPaletteFade(PALETTES_ALL, 0, 16, 0, RGB_BLACK);
sEggHatchData->eggSpriteID = CreateSprite(&sSpriteTemplate_EggHatch, 120, 75, 5); sEggHatchData->eggSpriteId = CreateSprite(&sSpriteTemplate_Egg, EGG_X, EGG_Y, 5);
ShowBg(0); ShowBg(0);
ShowBg(1); ShowBg(1);
sEggHatchData->CB2_state++; sEggHatchData->state++;
CreateTask(Task_EggHatchPlayBGM, 5); CreateTask(Task_EggHatchPlayBGM, 5);
break; break;
case 1: case 1:
if (!gPaletteFade.active) if (!gPaletteFade.active)
{ {
FillWindowPixelBuffer(sEggHatchData->windowId, PIXEL_FILL(0)); FillWindowPixelBuffer(sEggHatchData->windowId, PIXEL_FILL(0));
sEggHatchData->CB2_PalCounter = 0; sEggHatchData->delayTimer = 0;
sEggHatchData->CB2_state++; sEggHatchData->state++;
} }
break; break;
case 2: case 2:
if (++sEggHatchData->CB2_PalCounter > 30) if (++sEggHatchData->delayTimer > 30)
{ {
sEggHatchData->CB2_state++; // Start hatching animation
gSprites[sEggHatchData->eggSpriteID].callback = SpriteCB_Egg_0; sEggHatchData->state++;
gSprites[sEggHatchData->eggSpriteId].callback = SpriteCB_Egg_Shake1;
} }
break; break;
case 3: case 3:
if (gSprites[sEggHatchData->eggSpriteID].callback == SpriteCallbackDummy) // Wait for hatching animation to finish
if (gSprites[sEggHatchData->eggSpriteId].callback == SpriteCallbackDummy)
{ {
species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyID], MON_DATA_SPECIES); species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyId], MON_DATA_SPECIES);
DoMonFrontSpriteAnimation(&gSprites[sEggHatchData->pokeSpriteID], species, FALSE, 1); DoMonFrontSpriteAnimation(&gSprites[sEggHatchData->monSpriteId], species, FALSE, 1);
sEggHatchData->CB2_state++; sEggHatchData->state++;
} }
break; break;
case 4: case 4:
if (gSprites[sEggHatchData->pokeSpriteID].callback == SpriteCallbackDummy) // Wait for Pokémon's front sprite animation
{ if (gSprites[sEggHatchData->monSpriteId].callback == SpriteCallbackDummy)
sEggHatchData->CB2_state++; sEggHatchData->state++;
}
break; break;
case 5: case 5:
GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyID], gStringVar1); // "{mon} hatched from egg" message/fanfare
GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyId], gStringVar1);
StringExpandPlaceholders(gStringVar4, gText_HatchedFromEgg); StringExpandPlaceholders(gStringVar4, gText_HatchedFromEgg);
EggHatchPrintMessage(sEggHatchData->windowId, gStringVar4, 0, 3, TEXT_SKIP_DRAW); EggHatchPrintMessage(sEggHatchData->windowId, gStringVar4, 0, 3, TEXT_SKIP_DRAW);
PlayFanfare(MUS_EVOLVED); PlayFanfare(MUS_EVOLVED);
sEggHatchData->CB2_state++; sEggHatchData->state++;
PutWindowTilemap(sEggHatchData->windowId); PutWindowTilemap(sEggHatchData->windowId);
CopyWindowToVram(sEggHatchData->windowId, COPYWIN_FULL); CopyWindowToVram(sEggHatchData->windowId, COPYWIN_FULL);
break; break;
case 6: case 6:
if (IsFanfareTaskInactive()) if (IsFanfareTaskInactive())
sEggHatchData->CB2_state++; sEggHatchData->state++;
break; break;
case 7: case 7: // Twice?
if (IsFanfareTaskInactive()) if (IsFanfareTaskInactive())
sEggHatchData->CB2_state++; sEggHatchData->state++;
break; break;
case 8: case 8:
GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyID], gStringVar1); // Ready the nickname prompt
GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyId], gStringVar1);
StringExpandPlaceholders(gStringVar4, gText_NicknameHatchPrompt); StringExpandPlaceholders(gStringVar4, gText_NicknameHatchPrompt);
EggHatchPrintMessage(sEggHatchData->windowId, gStringVar4, 0, 2, 1); EggHatchPrintMessage(sEggHatchData->windowId, gStringVar4, 0, 2, 1);
sEggHatchData->CB2_state++; sEggHatchData->state++;
break; break;
case 9: case 9:
// Print the nickname prompt
if (!IsTextPrinterActive(sEggHatchData->windowId)) if (!IsTextPrinterActive(sEggHatchData->windowId))
{ {
LoadUserWindowBorderGfx(sEggHatchData->windowId, 0x140, 0xE0); LoadUserWindowBorderGfx(sEggHatchData->windowId, 0x140, 0xE0);
CreateYesNoMenu(&sYesNoWinTemplate, 0x140, 0xE, 0); CreateYesNoMenu(&sYesNoWinTemplate, 0x140, 0xE, 0);
sEggHatchData->CB2_state++; sEggHatchData->state++;
} }
break; break;
case 10: case 10:
// Handle the nickname prompt input
switch (Menu_ProcessInputNoWrapClearOnChoose()) switch (Menu_ProcessInputNoWrapClearOnChoose())
{ {
case 0: case 0: // Yes
GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyID], gStringVar3); GetMonNickname2(&gPlayerParty[sEggHatchData->eggPartyId], gStringVar3);
species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyID], MON_DATA_SPECIES); species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyId], MON_DATA_SPECIES);
gender = GetMonGender(&gPlayerParty[sEggHatchData->eggPartyID]); gender = GetMonGender(&gPlayerParty[sEggHatchData->eggPartyId]);
personality = GetMonData(&gPlayerParty[sEggHatchData->eggPartyID], MON_DATA_PERSONALITY, 0); personality = GetMonData(&gPlayerParty[sEggHatchData->eggPartyId], MON_DATA_PERSONALITY, 0);
DoNamingScreen(NAMING_SCREEN_NICKNAME, gStringVar3, species, gender, personality, EggHatchSetMonNickname); DoNamingScreen(NAMING_SCREEN_NICKNAME, gStringVar3, species, gender, personality, EggHatchSetMonNickname);
break; break;
case 1: case 1: // No
case -1: case MENU_B_PRESSED:
sEggHatchData->CB2_state++; sEggHatchData->state++;
break;
} }
break; break;
case 11: case 11:
BeginNormalPaletteFade(PALETTES_ALL, 0, 0, 0x10, RGB_BLACK); BeginNormalPaletteFade(PALETTES_ALL, 0, 0, 16, RGB_BLACK);
sEggHatchData->CB2_state++; sEggHatchData->state++;
break; break;
case 12: case 12:
if (!gPaletteFade.active) if (!gPaletteFade.active)
@ -707,136 +724,170 @@ static void CB2_EggHatch_1(void)
UpdatePaletteFade(); UpdatePaletteFade();
} }
static void SpriteCB_Egg_0(struct Sprite* sprite) #define sTimer data[0]
#define sSinIdx data[1]
#define sDelayTimer data[2]
static void SpriteCB_Egg_Shake1(struct Sprite* sprite)
{ {
if (++sprite->data[0] > 20) if (++sprite->sTimer > 20)
{ {
sprite->callback = SpriteCB_Egg_1; sprite->callback = SpriteCB_Egg_Shake2;
sprite->data[0] = 0; sprite->sTimer = 0;
} }
else else
{ {
sprite->data[1] = (sprite->data[1] + 20) & 0xFF; // Shake egg
sprite->x2 = Sin(sprite->data[1], 1); sprite->sSinIdx = (sprite->sSinIdx + 20) & 0xFF;
if (sprite->data[0] == 15) sprite->x2 = Sin(sprite->sSinIdx, 1);
if (sprite->sTimer == 15)
{ {
// First egg crack
PlaySE(SE_BALL); PlaySE(SE_BALL);
StartSpriteAnim(sprite, 1); StartSpriteAnim(sprite, EGG_ANIM_CRACKED_1);
CreateRandomEggShardSprite(); CreateRandomEggShardSprite();
} }
} }
} }
static void SpriteCB_Egg_1(struct Sprite* sprite) static void SpriteCB_Egg_Shake2(struct Sprite* sprite)
{ {
if (++sprite->data[2] > 30) if (++sprite->sDelayTimer > 30)
{ {
if (++sprite->data[0] > 20) if (++sprite->sTimer > 20)
{ {
sprite->callback = SpriteCB_Egg_2; sprite->callback = SpriteCB_Egg_Shake3;
sprite->data[0] = 0; sprite->sTimer = 0;
sprite->data[2] = 0; sprite->sDelayTimer = 0;
} }
else else
{ {
sprite->data[1] = (sprite->data[1] + 20) & 0xFF; // Shake egg
sprite->x2 = Sin(sprite->data[1], 2); sprite->sSinIdx = (sprite->sSinIdx + 20) & 0xFF;
if (sprite->data[0] == 15) sprite->x2 = Sin(sprite->sSinIdx, 2);
if (sprite->sTimer == 15)
{ {
// Second egg crack
PlaySE(SE_BALL); PlaySE(SE_BALL);
StartSpriteAnim(sprite, 2); StartSpriteAnim(sprite, EGG_ANIM_CRACKED_2);
} }
} }
} }
} }
static void SpriteCB_Egg_2(struct Sprite* sprite) static void SpriteCB_Egg_Shake3(struct Sprite* sprite)
{ {
if (++sprite->data[2] > 30) if (++sprite->sDelayTimer > 30)
{ {
if (++sprite->data[0] > 38) if (++sprite->sTimer > 38)
{ {
u16 species; u16 species;
sprite->callback = SpriteCB_Egg_WaitHatch;
sprite->callback = SpriteCB_Egg_3; sprite->sTimer = 0;
sprite->data[0] = 0; species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyId], MON_DATA_SPECIES);
species = GetMonData(&gPlayerParty[sEggHatchData->eggPartyID], MON_DATA_SPECIES); gSprites[sEggHatchData->monSpriteId].x2 = 0;
gSprites[sEggHatchData->pokeSpriteID].x2 = 0; gSprites[sEggHatchData->monSpriteId].y2 = 0;
gSprites[sEggHatchData->pokeSpriteID].y2 = 0;
} }
else else
{ {
sprite->data[1] = (sprite->data[1] + 20) & 0xFF; // Shake egg
sprite->x2 = Sin(sprite->data[1], 2); sprite->sSinIdx = (sprite->sSinIdx + 20) & 0xFF;
if (sprite->data[0] == 15) sprite->x2 = Sin(sprite->sSinIdx, 2);
if (sprite->sTimer == 15)
{ {
// Third egg crack
// This ineffectually sets the animation to the frame it's already using.
// They likely meant to use the 3rd and final cracked frame of the egg, which goes unused as a result.
PlaySE(SE_BALL); PlaySE(SE_BALL);
StartSpriteAnim(sprite, 2); #ifdef BUGFIX
StartSpriteAnim(sprite, EGG_ANIM_CRACKED_3);
#else
StartSpriteAnim(sprite, EGG_ANIM_CRACKED_2);
#endif
CreateRandomEggShardSprite(); CreateRandomEggShardSprite();
CreateRandomEggShardSprite(); CreateRandomEggShardSprite();
} }
if (sprite->data[0] == 30) if (sprite->sTimer == 30)
PlaySE(SE_BALL); PlaySE(SE_BALL);
} }
} }
} }
static void SpriteCB_Egg_3(struct Sprite* sprite) static void SpriteCB_Egg_WaitHatch(struct Sprite* sprite)
{ {
if (++sprite->data[0] > 50) if (++sprite->sTimer > 50)
{ {
sprite->callback = SpriteCB_Egg_4; sprite->callback = SpriteCB_Egg_Hatch;
sprite->data[0] = 0; sprite->sTimer = 0;
} }
} }
static void SpriteCB_Egg_4(struct Sprite* sprite) static void SpriteCB_Egg_Hatch(struct Sprite* sprite)
{ {
s16 i; s16 i;
if (sprite->data[0] == 0)
BeginNormalPaletteFade(PALETTES_ALL, -1, 0, 0x10, RGB_WHITEALPHA); // Fade to white to hide transition from egg to Pokémon
if (sprite->data[0] < 4u) if (sprite->sTimer == 0)
BeginNormalPaletteFade(PALETTES_ALL, -1, 0, 16, RGB_WHITEALPHA);
// Create a shower of 16 egg shards in 4 groups of 4
if ((u32)sprite->sTimer < 4)
{ {
for (i = 0; i <= 3; i++) for (i = 0; i < 4; i++)
CreateRandomEggShardSprite(); CreateRandomEggShardSprite();
} }
sprite->data[0]++;
sprite->sTimer++;
if (!gPaletteFade.active) if (!gPaletteFade.active)
{ {
// Screen is hidden by the fade to white, hide egg
PlaySE(SE_EGG_HATCH); PlaySE(SE_EGG_HATCH);
sprite->invisible = TRUE; sprite->invisible = TRUE;
sprite->callback = SpriteCB_Egg_5; sprite->callback = SpriteCB_Egg_Reveal;
sprite->data[0] = 0; sprite->sTimer = 0;
} }
} }
static void SpriteCB_Egg_5(struct Sprite* sprite) static void SpriteCB_Egg_Reveal(struct Sprite* sprite)
{ {
if (sprite->data[0] == 0) if (sprite->sTimer == 0)
{ {
gSprites[sEggHatchData->pokeSpriteID].invisible = FALSE; // Reveal hatched Pokémon
StartSpriteAffineAnim(&gSprites[sEggHatchData->pokeSpriteID], BATTLER_AFFINE_EMERGE); gSprites[sEggHatchData->monSpriteId].invisible = FALSE;
StartSpriteAffineAnim(&gSprites[sEggHatchData->monSpriteId], BATTLER_AFFINE_EMERGE);
} }
if (sprite->data[0] == 8)
BeginNormalPaletteFade(PALETTES_ALL, -1, 0x10, 0, RGB_WHITEALPHA); // Fade back from white for reveal
if (sprite->data[0] <= 9) if (sprite->sTimer == 8)
gSprites[sEggHatchData->pokeSpriteID].y -= 1; BeginNormalPaletteFade(PALETTES_ALL, -1, 16, 0, RGB_WHITEALPHA);
if (sprite->data[0] > 40)
sprite->callback = SpriteCallbackDummy; if (sprite->sTimer <= 9)
sprite->data[0]++; gSprites[sEggHatchData->monSpriteId].y--;
if (sprite->sTimer > 40)
sprite->callback = SpriteCallbackDummy; // Finished
sprite->sTimer++;
} }
#define sVelocX data[1]
#define sVelocY data[2]
#define sAccelY data[3]
#define sDeltaX data[4]
#define sDeltaY data[5]
static void SpriteCB_EggShard(struct Sprite* sprite) static void SpriteCB_EggShard(struct Sprite* sprite)
{ {
sprite->data[4] += sprite->data[1]; sprite->sDeltaX += sprite->sVelocX;
sprite->data[5] += sprite->data[2]; sprite->sDeltaY += sprite->sVelocY;
sprite->x2 = sprite->data[4] / 256; sprite->x2 = sprite->sDeltaX / 256;
sprite->y2 = sprite->data[5] / 256; sprite->y2 = sprite->sDeltaY / 256;
sprite->data[2] += sprite->data[3]; sprite->sVelocY += sprite->sAccelY;
if (sprite->y + sprite->y2 > sprite->y + 20 && sprite->data[2] > 0) if (sprite->y + sprite->y2 > sprite->y + 20 && sprite->sVelocY > 0)
DestroySprite(sprite); DestroySprite(sprite);
} }
@ -844,20 +895,23 @@ static void CreateRandomEggShardSprite(void)
{ {
u16 spriteAnimIndex; u16 spriteAnimIndex;
s16 velocity1 = sEggShardVelocities[sEggHatchData->eggShardVelocityID][0]; s16 velocityX = sEggShardVelocities[sEggHatchData->eggShardVelocityId][0];
s16 velocity2 = sEggShardVelocities[sEggHatchData->eggShardVelocityID][1]; s16 velocityY = sEggShardVelocities[sEggHatchData->eggShardVelocityId][1];
sEggHatchData->eggShardVelocityID++; sEggHatchData->eggShardVelocityId++;
spriteAnimIndex = Random() % 4;
CreateEggShardSprite(120, 60, velocity1, velocity2, 100, spriteAnimIndex); // Randomly choose one of the 4 shard images
spriteAnimIndex = Random() % ARRAY_COUNT(sSpriteAnimTable_EggShard);
CreateEggShardSprite(EGG_X, EGG_Y - 15, velocityX, velocityY, 100, spriteAnimIndex);
} }
static void CreateEggShardSprite(u8 x, u8 y, s16 data1, s16 data2, s16 data3, u8 spriteAnimIndex) static void CreateEggShardSprite(u8 x, u8 y, s16 velocityX, s16 velocityY, s16 acceleration, u8 spriteAnimIndex)
{ {
u8 spriteID = CreateSprite(&sSpriteTemplate_EggShard, x, y, 4); u8 spriteId = CreateSprite(&sSpriteTemplate_EggShard, x, y, 4);
gSprites[spriteID].data[1] = data1; gSprites[spriteId].sVelocX = velocityX;
gSprites[spriteID].data[2] = data2; gSprites[spriteId].sVelocY = velocityY;
gSprites[spriteID].data[3] = data3; gSprites[spriteId].sAccelY = acceleration;
StartSpriteAnim(&gSprites[spriteID], spriteAnimIndex); StartSpriteAnim(&gSprites[spriteId], spriteAnimIndex);
} }
static void EggHatchPrintMessage(u8 windowId, u8* string, u8 x, u8 y, u8 speed) static void EggHatchPrintMessage(u8 windowId, u8* string, u8 x, u8 y, u8 speed)