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tmc/src/intro.c

420 lines
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#include "audio.h"
#include "global.h"
#include "main.h"
#include "entity.h"
#include "utils.h"
#include "screen.h"
#include "object.h"
#include "textbox.h"
#include "structures.h"
#include "functions.h"
typedef struct {
u8 filler0[0x4];
u8 gameLanguage;
u8 state;
u8 subState;
u8 filler7[0x1];
u16 timer;
u8 fillerA[0x6];
u8 lightRaysPaletteGroup;
u8 lightRaysAlphaBlendIndex;
u8 counter;
u8 filler13[0x19];
int swordBgScaleRatio;
} IntroState;
// TODO: This occupies the same memory region as gMenu
extern IntroState gIntroState;
enum {
ADVANCE_NONE,
ADVANCE_TIMER_EXPIRED,
ADVANCE_KEY_PRESSED,
};
static void HandleNintendoCapcomLogos(void);
static void HandleTitlescreen(void);
static void UpdateSwordBgAffineData(void);
static void ExitTitlescreen(void);
static void HandleJapaneseTitlescreenAnimationIntro(void);
static void HandleTitlescreenAnimationIntro(void);
static u32 GetAdvanceState(void);
static void UpdateLightRays(void);
static void UpdatePressStartIcon(void);
static void (*const sIntroSequenceHandlers[])(void) = {
HandleNintendoCapcomLogos,
HandleTitlescreen,
ExitTitlescreen,
};
static const u16 sLightRaysAlphaBlends[] = {
BLDALPHA_BLEND(9, 9), BLDALPHA_BLEND(8, 10), BLDALPHA_BLEND(7, 11), BLDALPHA_BLEND(6, 12),
BLDALPHA_BLEND(5, 13), BLDALPHA_BLEND(6, 12), BLDALPHA_BLEND(7, 11), BLDALPHA_BLEND(8, 10),
};
static u32 AdvanceIntroSequence(u32 transition) {
gUnk_02032EC0.lastState = transition;
gMain.funcIndex = 2;
MemClear(&gIntroState, sizeof(gIntroState));
DoFade(7, 8);
}
void HandleIntroScreen(void) {
FlushSprites();
switch (gMain.funcIndex) {
case 0:
MessageInitialize();
MemClear(&gUnk_02032EC0, sizeof(gUnk_02032EC0));
AdvanceIntroSequence(0);
break;
case 1:
sIntroSequenceHandlers[gUnk_02032EC0.lastState]();
break;
case 2:
if (gFadeControl.active) {
return;
}
DispReset(1);
gMain.funcIndex = 1;
break;
}
sub_080AD918();
}
static void HandleNintendoCapcomLogos(void) {
u32 advance;
u32 paletteGroup;
advance = GetAdvanceState();
if (gIntroState.state == 0) {
DispReset(1);
gIntroState.state = 1;
gIntroState.timer = 120;
LoadGfxGroup(16);
LoadGfxGroup(1);
if (gSaveHeader->gameLanguage == 0) {
paletteGroup = 1;
} else {
paletteGroup = 2;
}
LoadPaletteGroup(paletteGroup);
gScreen.lcd.displayControl |= DISPCNT_BG2_ON;
gScreen.bg1.updated = 1;
DoFade(6, 8);
advance = ADVANCE_NONE;
#if defined(DEMO_USA)
if (gUnk_02000010.listenForKeyPresses == 0) {
if ((gInput.heldKeys & 0x204) == 0x204) { // TODO
gUnk_02000010.field_0x7 = 1;
SoundReq(0x73);
} else {
if ((gInput.heldKeys & 0x104) == 0x104) { // TODO
gUnk_02000010.field_0x7 = 2;
SoundReq(0xcd);
} else {
gUnk_02000010.field_0x7 = 0;
}
}
}
#endif
} else {
if (advance == ADVANCE_TIMER_EXPIRED) {
advance = ADVANCE_KEY_PRESSED;
}
}
if (advance == ADVANCE_KEY_PRESSED) {
gUnk_02000010.listenForKeyPresses = 1;
AdvanceIntroSequence(1);
}
}
static void HandleTitlescreen(void) {
int advance;
u32 paletteGroup;
gIntroState.counter++;
switch (gIntroState.state) {
case 0:
gIntroState.state = 1;
gIntroState.subState = 0;
gIntroState.timer = 30;
gIntroState.gameLanguage = 7;
EraseAllEntities();
sub_0801CFA8(0);
ResetPalettes();
gGFXSlots.unk0 = 1;
LoadGfxGroup(2);
if (gSaveHeader->gameLanguage == 0) {
paletteGroup = 3;
} else {
paletteGroup = 4;
}
LoadPaletteGroup(paletteGroup);
if (gSaveHeader->gameLanguage == 0) {
// Blend first and second layer
gScreen.controls.layerFXControl = BLDCNT_TGT1_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_EFFECT_BLEND;
gScreen.controls.alphaBlend = BLDALPHA_BLEND(9, 9);
gScreen.bg1.control = BGCNT_SCREENBASE(28) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(2);
gScreen.bg2.control = BGCNT_SCREENBASE(29) | BGCNT_PRIORITY(2);
gScreen.bg3.control = BGCNT_SCREENBASE(30) | BGCNT_PRIORITY(3);
gScreen.lcd.displayControl |= DISPCNT_BG1_ON | DISPCNT_BG2_ON | DISPCNT_BG3_ON | DISPCNT_OBJ_ON;
gScreen.bg1.yOffset = -160;
} else {
gScreen.controls.layerFXControl = BLDCNT_TGT1_BG0 | BLDCNT_TGT2_BG1 | BLDCNT_EFFECT_BLEND;
gScreen.controls.alphaBlend = BLDALPHA_BLEND(9, 9);
gScreen.bg0.control = BGCNT_SCREENBASE(29) | BGCNT_PRIORITY(2);
gScreen.bg1.control = BGCNT_SCREENBASE(30) | BGCNT_PRIORITY(3);
gScreen.bg2.control = BGCNT_SCREENBASE(28) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(2) | BGCNT_256COLOR |
BGCNT_WRAP | BGCNT_TXT512x256;
gScreen.lcd.displayControl |= DISPCNT_MODE_1;
gScreen.lcd.displayControl |= DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_OBJ_ON;
gIntroState.swordBgScaleRatio = 0x10;
UpdateSwordBgAffineData();
}
InitSoundPlayingInfo();
SoundReq(BGM_TITLE_SCREEN);
DoFade(6, 8);
break;
case 1:
if (gFadeControl.active) {
return;
}
if (gSaveHeader->gameLanguage == 0) {
HandleJapaneseTitlescreenAnimationIntro();
} else {
HandleTitlescreenAnimationIntro();
}
break;
case 2:
#if defined(JP) || defined(DEMO_JP) || defined(EU)
if (GetAdvanceState()) {
#else
if (--gIntroState.timer == 0) {
#endif
gIntroState.timer = 3600;
gIntroState.state++;
}
#if defined(USA) || defined(DEMO_USA)
UpdatePressStartIcon();
#endif
break;
default:
advance = GetAdvanceState();
if (advance != ADVANCE_NONE) {
if (advance == ADVANCE_KEY_PRESSED) {
SoundReq(SFX_TEXTBOX_SELECT);
} else {
advance = ADVANCE_NONE;
}
AdvanceIntroSequence(advance);
SoundReq(SONG_VOL_FADE_OUT);
}
#if defined(JP) || defined(DEMO_JP) || defined(DEMO_JP)
gOamCmd._4 = 0;
gOamCmd._6 = 0;
gOamCmd._8 = 0xE020;
gOamCmd.x = 120;
gOamCmd.y = 152;
sub_080ADA14(511, 1);
#elif defined(EU)
gOamCmd._4 = 0;
gOamCmd._6 = 0;
gOamCmd._8 = 0xE020;
gOamCmd.x = 120;
gOamCmd.y = 152;
sub_080ADA14(510, 1);
#else
UpdatePressStartIcon();
#endif
if ((gIntroState.timer & 0x20) == 0) {
gOamCmd._8 = 0xe000;
gOamCmd.y = 0x84;
#ifdef EU
sub_080ADA14(0x1fe, 0);
#else
sub_080ADA14(0x1ff, 0);
#endif
}
}
if (gIntroState.gameLanguage != gSaveHeader->gameLanguage) {
gIntroState.gameLanguage = gSaveHeader->gameLanguage;
LoadGfxGroup(3);
}
UpdateLightRays();
UpdateEntities();
sub_080AD9B0();
}
#if defined(USA) || defined(DEMO_USA)
static void UpdatePressStartIcon(void) {
gOamCmd._4 = 0;
gOamCmd._6 = 0;
gOamCmd._8 = 0xE020;
gOamCmd.x = 120;
gOamCmd.y = 152;
sub_080ADA14(511, 1);
}
#endif
static void UpdateSwordBgAffineData(void) {
struct BgAffineSrcData aff;
aff.texY = 0x8000;
aff.texX = 0x8000;
aff.scrX = DISPLAY_WIDTH / 2;
aff.scrY = DISPLAY_HEIGHT / 2 - 8;
aff.alpha = 0;
aff.sy = aff.sx = gIntroState.swordBgScaleRatio;
BgAffineSet(&aff, (struct BgAffineDstData*)&gBgControls, 1);
}
static void HandleJapaneseTitlescreenAnimationIntro(void) {
Entity* pEVar2;
switch (gIntroState.subState) {
case 0:
if (!gFadeControl.active) {
if ((gIntroState.counter & 1) == 0) {
gScreen.bg1.yOffset++;
}
if (GetAdvanceState() == ADVANCE_KEY_PRESSED || gScreen.bg1.yOffset == 0) {
gIntroState.subState++;
gScreen.bg1.yOffset = 0;
gScreen.bg1.control = BGCNT_SCREENBASE(12) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(2);
gFadeControl.mask = 0x00000040;
DoFade(6, 0x10);
SoundReq(SFX_F8);
}
}
break;
case 1:
if (!gFadeControl.active) {
gFadeControl.mask = 0xFFFFFFFF;
gIntroState.subState++;
#if defined(JP) || defined(EU) || defined(DEMO_JP)
gIntroState.timer = 120;
#else
gIntroState.timer = 90;
#endif
pEVar2 = CreateObject(OBJECT_B4, 0, 0);
if (pEVar2 != NULL) {
pEVar2->x.HALF.HI = 0;
pEVar2->y.HALF.HI = DISPLAY_HEIGHT / 2 - 8;
}
}
break;
case 2:
if (GetAdvanceState() != ADVANCE_NONE) {
gIntroState.state++;
#if defined(JP) || defined(EU) || defined(DEMO_JP)
gIntroState.timer = 30;
#else
gIntroState.timer = 60;
#endif
}
}
}
static void HandleTitlescreenAnimationIntro(void) {
switch (gIntroState.subState) {
case 0:
if (!gFadeControl.active) {
gIntroState.subState = 1;
gScreen.lcd.displayControl |= DISPCNT_BG2_ON;
SoundReq(SFX_EVAPORATE);
}
break;
case 1:
gIntroState.swordBgScaleRatio += 0x10;
if (gIntroState.swordBgScaleRatio > 0x100) {
gIntroState.swordBgScaleRatio = 0x100;
gIntroState.timer = 40;
gIntroState.subState++;
DoFade(6, 16);
}
UpdateSwordBgAffineData();
break;
case 2:
if (--gIntroState.timer == 0) {
#if defined(JP) || defined(EU) || defined(DEMO_JP)
gIntroState.timer = 360;
#else
gIntroState.timer = 300;
#endif
gIntroState.subState++;
CreateObject(OBJECT_BD, 0, 0);
DoFade(6, 16);
SoundReq(SFX_F8);
}
break;
default:
if (!gFadeControl.active && GetAdvanceState() != ADVANCE_NONE) {
gIntroState.state++;
#if defined(JP) || defined(EU) || defined(DEMO_JP)
gIntroState.timer = 30;
#else
gIntroState.timer = 60;
#endif
}
break;
}
}
#ifdef DEMO_JP
extern u8 gUnk_02002A40;
#endif
static void ExitTitlescreen(void) {
if (!gFadeControl.active) {
#ifdef DEMO_JP
MemCopy(&sLightRaysAlphaBlends[8], &gUnk_02002A40, 0x4B4);
InitScreen(SCREEN_GAMEPLAY);
#else
InitScreen(SCREEN_CHOOSE_FILE);
#endif
}
}
static u32 GetAdvanceState(void) {
u32 newKeys;
if (gFadeControl.active) {
return ADVANCE_NONE;
}
if (!gUnk_02000010.listenForKeyPresses) {
newKeys = 0;
} else {
newKeys = gInput.newKeys & (A_BUTTON | START_BUTTON);
}
if (--gIntroState.timer == 0) {
return ADVANCE_TIMER_EXPIRED;
}
if (newKeys) {
return ADVANCE_KEY_PRESSED;
}
return ADVANCE_NONE;
}
static void UpdateLightRays(void) {
// Periodically rotate the palette to give a shimmering effect.
if ((gIntroState.counter & 0x7) == 0) {
gIntroState.lightRaysPaletteGroup++;
gIntroState.lightRaysPaletteGroup &= 0x3;
LoadPaletteGroup(5 + gIntroState.lightRaysPaletteGroup);
}
// Periodically update the transparency of the light rays.
if ((gIntroState.counter & 0x1F) == 0) {
gIntroState.lightRaysAlphaBlendIndex = (gIntroState.lightRaysAlphaBlendIndex + 1) & 0x7;
gScreen.controls.alphaBlend = sLightRaysAlphaBlends[gIntroState.lightRaysAlphaBlendIndex];
}
}
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