diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/title_screen.c | 199 |
1 files changed, 198 insertions, 1 deletions
diff --git a/src/title_screen.c b/src/title_screen.c index d4c861841..492f0e378 100644 --- a/src/title_screen.c +++ b/src/title_screen.c @@ -63,11 +63,14 @@ void sub_80796CC(void); void sub_80796E8(void); void sub_8079708(void); void sub_8079840(u8 taskId); +void sub_807999C(u8 taskId, u8 field, u16 seed); +u16 sub_80799B4(u8 taskId, u8 field); u32 sub_80799F0(void); -void sub_8079A10(s16 a0); +void sub_8079A10(bool32 a0); u8 sub_8079A40(void); void sub_8079A88(u8 spriteId); bool32 sub_8079AA8(u8 spriteId); +void sub_8079AD8(struct Sprite * sprite); // bg3 const u8 gUnknown_83BF58C[] = INCBIN_U8("data/graphics/title_screen/unk_83BF58C.4bpp.lz"); @@ -846,6 +849,7 @@ void sub_8079730(struct Sprite * sprite) DestroySprite(sprite); return; } +#if defined(FIRERED) if (sprite->animEnded) { DestroySprite(sprite); @@ -856,4 +860,197 @@ void sub_8079730(struct Sprite * sprite) StartSpriteAnim(sprite, 0); sprite->invisible = FALSE; } +#elif defined(LEAFGREEN) + if (!data[5]) + { + s32 r2; + s32 r1; + data[6]++; + r2 = data[1] * data[6]; + r1 = data[6] * data[3]; + r2 = (r2 * r2) >> 4; + r1 = (r1 * r1) >> 4; + if (r2 + r1 >= 0x510) + data[5] = TRUE; + } +#endif +} + +bool32 sub_80797AC(s32 x, s32 y, s32 xspeed, s32 yspeed, bool32 templateId) +{ + u8 spriteId; + if (templateId) + { + spriteId = CreateSprite(&gUnknown_83BFB04, x, y, 0); + } + else + { + spriteId = CreateSprite(&gUnknown_83BFB1C, x, y, 0); + } + if (spriteId != MAX_SPRITES) + { + gSprites[spriteId].data[0] = x << 4; + gSprites[spriteId].data[1] = xspeed; + gSprites[spriteId].data[2] = y << 4; + gSprites[spriteId].data[3] = yspeed; + gSprites[spriteId].data[4] = 0; + gSprites[spriteId].data[5] = (xspeed * yspeed) % 16; + gSprites[spriteId].data[6] = templateId; + gSprites[spriteId].callback = sub_8079730; + return TRUE; + } + return FALSE; +} + +void sub_8079840(u8 taskId) +{ + s16 * data = gTasks[taskId].data; + s32 x, y, xspeed, yspeed, templateId; + s32 i; + + switch (data[0]) + { + case 0: + sub_807999C(taskId, 3, 0x7878); + data[0]++; + break; + case 1: + data[1]++; + if (data[1] >= data[2]) + { + data[1] = 0; + sub_80799B4(taskId, 3); + data[2] = 18; + xspeed = (sub_80799B4(taskId, 3) % 4) - 2; + yspeed = (sub_80799B4(taskId, 3) % 8) - 16; + y = (sub_80799B4(taskId, 3) % 3) + 0x74; + x = sub_80799B4(taskId, 3) % 240; + sub_80797AC( + x, + y, + xspeed, + yspeed, + (sub_80799B4(taskId, 3) % 16) < 8 ? 0 : 1 + ); + for (i = 0; i < 15; i++) + { + sub_80797AC( + data[5] + gUnknown_83BFBD4[i], + y, + xspeed, + yspeed, + 1 + ); + xspeed = (sub_80799B4(taskId, 3) % 4) - 2; + yspeed = (sub_80799B4(taskId, 3) % 8) - 16; + } + data[5]++; + if (data[5] > 3) + data[5] = 0; + } + } +} + +void sub_807999C(u8 taskId, u8 field, u16 seed) +{ + SetWordTaskArg(taskId, field, seed); +} + +u16 sub_80799B4(u8 taskId, u8 field) +{ + u32 rngval; + + rngval = GetWordTaskArg(taskId, field); + rngval = rngval * 1103515245 + 24691; + SetWordTaskArg(taskId, field, rngval); + return rngval >> 16; +} + +u32 sub_80799F0(void) +{ + CreateSprite(&gUnknown_83BFB3C, 0x18, 0x90, 0); + return IndexOfSpritePaletteTag(2); +} + +void sub_8079A10(bool32 mode) +{ + u32 palIdx; + + if (mode) + { + palIdx = IndexOfSpritePaletteTag(2); + LoadPalette(gUnknown_8EAE488, palIdx * 16 + 0x100, 0x20); + } + else + sub_80799F0(); +} + +u8 sub_8079A40(void) +{ + u8 spriteId = CreateSprite(&gUnknown_83BFB5C, -0x20, 0x1B, 1); + if (spriteId != MAX_SPRITES) + { + gSprites[spriteId].callback = sub_8079AD8; + gSprites[spriteId].data[1] = 540; + } + return spriteId; +} + +void sub_8079A88(u8 spriteId) +{ + if (spriteId != MAX_SPRITES) + gSprites[spriteId].data[2] = TRUE; +} + +bool32 sub_8079AA8(u8 spriteId) +{ + if (spriteId != MAX_SPRITES) + return gSprites[spriteId].data[0] ^ 2 ? TRUE : FALSE; + else + return FALSE; +} + +void sub_8079AD8(struct Sprite * sprite) +{ + switch (sprite->data[0]) + { + case 0: + if (sprite->data[2]) + { + sprite->invisible = TRUE; + sprite->data[0] = 2; + } + sprite->data[1]--; + if (sprite->data[1] == 0) + { + sprite->invisible = FALSE; + sprite->data[0] = 1; + } + break; + case 1: + sprite->pos1.x += 9; + if (sprite->pos1.x == 67) + { + sprite->pos1.y -= 7; + } + if (sprite->pos1.x == 148) + { + sprite->pos1.y += 7; + } + if (sprite->pos1.x > 272) + { + sprite->invisible = TRUE; + if (sprite->data[2]) + sprite->data[0] = 2; + else + { + sprite->pos1.x = -0x20; + sprite->data[1] = 540; + sprite->data[0] = 0; + } + } + break; + case 2: + break; + } } |