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intro: through sub_80EE350

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This commit is contained in:
PikalaxALT
2019-07-04 18:08:32 -04:00
parent b5f0c606dd
commit 5bad031d18
3 changed files with 266 additions and 803 deletions
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src/intro.c
+266 -6
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@@ -17,6 +17,7 @@
#include "title_screen.h"
#include "decompress.h"
#include "util.h"
#include "trig.h"
#include "constants/songs.h"
struct IntroSequenceData
@@ -65,6 +66,7 @@ EWRAM_DATA u16 gUnknown_203AB26 = 0;
EWRAM_DATA u32 gUnknown_203AB28 = 0;
EWRAM_DATA s16 gUnknown_203AB2C = 0;
EWRAM_DATA u16 gUnknown_203AB2E = 0;
EWRAM_DATA u32 gUnknown_203AB30 = 0;
void sub_80EC870(void);
void sub_80EC9D4(void);
@@ -99,13 +101,18 @@ void sub_80EDBAC(struct IntroSequenceData * ptr);
void sub_80EDBE8(struct IntroSequenceData * ptr);
void sub_80EDC40(void);
void sub_80EDDF0(void);
void sub_80EDE04(u8 taskId);
void sub_80EDED8(void);
void sub_80EDEEC(u8 taskId);
struct Sprite * sub_80EDF68(void);
void sub_80EDF94(struct IntroSequenceData * ptr);
void sub_80EE024(u8 taskId);
void sub_80EE160(void);
void sub_80EE1C4(struct Sprite * sprite);
void sub_80EE200(u8 taskId);
void sub_80EE29C(struct Sprite * sprite);
void sub_80EE350(struct Sprite * sprite);
void sub_80EE40C(struct Sprite * sprite);
void sub_80EE4DC(struct Sprite * sprite);
void sub_80EE4F8(struct IntroSequenceData * ptr);
void sub_80EE528(struct Sprite * sprite, u16 a1, u16 a2, u16 a3);
@@ -219,7 +226,7 @@ const struct SpritePalette gUnknown_840BBE8[] = {
{0}
};
const s16 gUnknown_840BC08[][2] = {
const struct Coords16 gUnknown_840BC08[] = {
{0x0048, 0x0050},
{0x0088, 0x004a},
{0x00a8, 0x0050},
@@ -441,6 +448,11 @@ const struct CompressedSpriteSheet gUnknown_840BEDC[] = {
{gUnknown_840BAE0, 0x0200, 11}
};
// POTENTIAL UB
// This array is passed to LoadSpritePalettes in sub_80EEBE4.
// LoadSpritePalettes uses a {0} entry to signal end of array.
// Because such an entry is absent in this case, the function
// continues reading into the next .rodata section.
const struct SpritePalette gUnknown_840BF14[] = {
{gUnknown_8405DA4, 6},
{gUnknown_84096AC, 7},
@@ -1413,13 +1425,12 @@ void sub_80EDB70(struct IntroSequenceData * this)
void nullsub_83(struct Sprite * sprite)
{
}
void sub_80EDBAC(struct IntroSequenceData * this)
{
int i;
for (i = 0; i < 4; i++)
{
StartSpriteAffineAnim(this->field_0028[i], 1);
@@ -1453,7 +1464,7 @@ void sub_80EDC40(void)
{
int i;
u8 spriteId;
for (i = 0; i < NELEMS(gUnknown_840BBC0); i++)
{
LoadCompressedSpriteSheet(&gUnknown_840BBC0[i]);
@@ -1471,7 +1482,7 @@ void sub_80EDC40(void)
gUnknown_203AB22 = 0x05;
gUnknown_203AB24 = 0x05;
if (gUnknown_203AB28 == 0)
gUnknown_203AB28 = 0x151B9245;
gUnknown_203AB28 = 354128453;
spriteId = CreateSprite(&gUnknown_840BC6C, 0xF8, 0x37, 0);
if (spriteId != MAX_SPRITES)
{
@@ -1483,7 +1494,7 @@ void sub_80EDC40(void)
}
}
void sub_80EDD28(s16 x, s16 y, s16 a2)
void sub_80EDD28(s16 x, s16 y, u16 a2)
{
u8 spriteId;
s16 r4 = (a2 & gUnknown_203AB12) + 2;
@@ -1505,3 +1516,252 @@ void sub_80EDD28(s16 x, s16 y, s16 a2)
}
}
}
void sub_80EDDF0(void)
{
CreateTask(sub_80EDE04, 1);
}
void sub_80EDE04(u8 taskId)
{
s16 * data = gTasks[taskId].data;
u8 r6;
u8 spriteId;
data[2]++, data[3]++;
if (data[2] > 6)
{
data[2] = 0;
r6 = data[0];
spriteId = CreateSprite(&gUnknown_840BC84, gUnknown_840BC08[r6].x, gUnknown_840BC08[r6].y, 2);
StartSpriteAnim(&gSprites[spriteId], 1);
gSprites[spriteId].callback = sub_80EE40C;
gSprites[spriteId].data[1] = gUnknown_840BC08[r6].y << 4;
gSprites[spriteId].data[2] = 120;
gSprites[spriteId].data[3] = data[1];
if (gSprites[spriteId].data[3] < 0)
gSprites[spriteId].data[3] = 1;
data[0]++;
if (data[0] < 0 || data[0] > 8)
{
data[1]++;
if (data[1] > 1)
DestroyTask(taskId);
else
data[0] = 0;
}
}
}
void sub_80EDED8(void)
{
CreateTask(sub_80EDEEC, 2);
}
void sub_80EDEEC(u8 taskId)
{
s16 * data = gTasks[taskId].data;
u8 r2;
if (data[0] == 0)
{
r2 = data[1];
data[1] += 4;
if (data[1] < 0 || data[1] > 8)
data[1] -= 9;
CreateSprite(&gUnknown_840BCBC, gUnknown_840BC08[r2].x, gUnknown_840BC08[r2].y, 3);
data[2]++;
if (data[2] > 8)
DestroyTask(taskId);
}
data[0]++;
if (data[0] > 9)
data[0] = 0;
}
struct Sprite * sub_80EDF68(void)
{
u8 spriteId = CreateSprite(&gUnknown_840BCDC, 120, 70, 4);
return &gSprites[spriteId];
}
void sub_80EDF94(struct IntroSequenceData * this)
{
u8 taskId;
this->field_0006 = 0;
taskId = CreateTask(sub_80EE024, 4);
SetWordTaskArg(taskId, 5, (uintptr_t)this);
gTasks[taskId].data[3] = 64;
gTasks[taskId].data[4] = GetBgX(0);
}
void sub_80EDFD8(int a, int b, int c, int d)
{
ChangeBgY(0, (a << 15) + 0x1F000, 0);
ChangeBgX(0, d, 0);
ChangeBgX(0, b << 8, 2);
ChangeBgY(0, c << 8, 2);
}
void sub_80EE024(u8 taskId)
{
s16 * data = gTasks[taskId].data;
int b, c;
int angle;
switch (data[0])
{
case 0:
data[7] = 2;
data[1] = 0;
data[8] = 6;
data[9] = 32;
data[0]++;
break;
case 1:
data[3] -= 2;
data[1]++;
if (data[1] > 15)
{
data[1] = 0;
data[0]++;
}
break;
case 2:
data[1]++;
if (data[1] == 14)
((struct IntroSequenceData *)GetWordTaskArg(taskId, 5))->field_0006 = 1;
if (data[1] > 15)
{
data[1] = 0;
data[0]++;
}
break;
case 3:
data[3] += 8;
data[1]++;
if (data[1] == 4)
{
sub_80EE160();
data[8] = 32;
data[9] = 48;
data[7] = 3;
}
if (data[1] > 7)
{
data[1] = 0;
data[0]++;
}
break;
case 4:
data[3] -= 8;
data[1]++;
if (data[1] > 3)
{
data[7] = 0;
data[3] = 64;
data[1] = 0;
data[0]++;
}
break;
case 5:
DestroyTask(taskId);
return;
}
angle = data[3];
b = -((gSineTable[angle + 0x40] * data[9]) >> 8);
c = data[8] - ((gSineTable[angle] * data[8]) >> 8);
sub_80EDFD8(data[7], b, c, data[4]);
}
void sub_80EE160(void)
{
u8 spriteId;
spriteId = CreateSprite(&gUnknown_840BE8C, 132, 78, 6);
spriteId = CreateSprite(&gUnknown_840BE8C, 132, 118, 6);
if (spriteId != MAX_SPRITES)
{
gSprites[spriteId].oam.shape = ST_OAM_H_RECTANGLE;
gSprites[spriteId].oam.size = ST_OAM_SIZE_2;
sub_80EDAD8(&gSprites[spriteId]);
StartSpriteAnim(&gSprites[spriteId], 1);
}
}
void sub_80EE1C4(struct Sprite * sprite)
{
sprite->invisible ^= TRUE;
if (sprite->animEnded)
DestroySprite(sprite);
}
void sub_80EE200(u8 taskId)
{
s16 * data = gTasks[taskId].data;
switch (data[0])
{
case 0:
data[1] = 0x400;
data[0]++;
// fallthrough
case 1:
data[2]++;
if (data[2] > 39 && data[1] > 16)
data[1] -= 16;
gUnknown_203AB30 = ChangeBgX(0, data[1], 1);
if (gUnknown_203AB30 >= 0x8000)
ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
if (gUnknown_203AB30 >= 0xEF00)
{
ChangeBgX(0, 0xEF00, 0);
DestroyTask(taskId);
}
break;
}
}
void sub_80EE29C(struct Sprite * sprite)
{
u32 v;
sprite->data[0] -= sprite->data[2];
sprite->data[1] += sprite->data[3];
sprite->data[4] += 48;
sprite->pos1.x = sprite->data[0] >> 4;
sprite->pos1.y = sprite->data[1] >> 4;
sprite->pos2.y = gSineTable[(sprite->data[4] >> 4) + 0x40] >> 5;
sprite->data[5]++;
if (sprite->data[5] % gUnknown_203AB16)
{
LoadWordFromTwoHalfwords(&sprite->data[6], &v);
v = v * 1103515245 + 24691;
StoreWordInTwoHalfwords(&sprite->data[6], v);
v >>= 16;
sub_80EDD28(sprite->pos1.x, sprite->pos1.y + sprite->pos2.y, v);
}
if (sprite->pos1.x < -8)
DestroySprite(sprite);
}
void sub_80EE350(struct Sprite * sprite)
{
u32 v;
sprite->data[0] += sprite->data[2];
sprite->data[1] += sprite->data[3];
sprite->data[4]++;
sprite->data[5] += sprite->data[4];
sprite->data[7]++;
sprite->pos1.x = *(u16 *)&sprite->data[0] >> gUnknown_203AB22;
sprite->pos1.y = sprite->data[1] >> gUnknown_203AB24;
if (gUnknown_203AB1C && sprite->data[3] < 0)
sprite->pos2.y = sprite->data[5] >> gUnknown_203AB1C;
if (sprite->data[7] > gUnknown_203AB18)
{
sprite->invisible = sprite->invisible ? FALSE : TRUE;
if (sprite->data[7] > gUnknown_203AB1A)
DestroySprite(sprite);
}
if (sprite->pos1.y + sprite->pos2.y < 0 || sprite->pos1.y + sprite->pos2.y > 160)
DestroySprite(sprite);
}