diff options
Diffstat (limited to 'src/field_effect_helpers.c')
| -rw-r--r-- | src/field_effect_helpers.c | 152 |
1 files changed, 151 insertions, 1 deletions
diff --git a/src/field_effect_helpers.c b/src/field_effect_helpers.c index 9914defe4..3ff5b31db 100644 --- a/src/field_effect_helpers.c +++ b/src/field_effect_helpers.c @@ -32,7 +32,7 @@ static void sub_81275C4(struct Sprite *); static void sub_8127DA0(struct Sprite *); static void sub_8127DD0(struct Sprite *); static void sub_8127E30(struct Sprite *); -/*static*/ void sub_812882C(struct Sprite *, u8, u8); +static void sub_812882C(struct Sprite *, u8, u8); static void sub_81278D8(struct Sprite *); static void sub_8127FD4(struct MapObject *, struct Sprite *); static void sub_812800C(struct MapObject *, struct Sprite *); @@ -1495,3 +1495,153 @@ void sub_8128800(struct Sprite *sprite) sub_806487C(sprite, FALSE); } } + +#ifdef NONMATCHING +static void sub_812882C(struct Sprite *sprite /*r6*/, u8 z, u8 offset) +{ + u8 i; + s16 xlo; + s16 xhi; + s16 lx; + s16 lyhi; + s16 ly; + s16 ylo; + s16 yhi; + struct MapObject *mapObject; // r4 + const struct MapObjectGraphicsInfo *graphicsInfo; // destroyed + struct Sprite *linkedSprite; // r5 + + SetObjectSubpriorityByZCoord(z, sprite, offset); + for (i = 0; i < 16; i ++) + { + mapObject = &gMapObjects[i]; + if (mapObject->active) + { + graphicsInfo = GetFieldObjectGraphicsInfo(mapObject->graphicsId); + linkedSprite = &gSprites[mapObject->spriteId]; + xhi = sprite->pos1.x + sprite->centerToCornerVecX; + xlo = sprite->pos1.x - sprite->centerToCornerVecX; + lx = linkedSprite->pos1.x; + if (xhi < lx && xlo > lx) + { + lyhi = linkedSprite->pos1.y + linkedSprite->centerToCornerVecY; + ly = linkedSprite->pos1.y; + ylo = sprite->pos1.y - sprite->centerToCornerVecY; + yhi = ylo + linkedSprite->centerToCornerVecY; + if ((lyhi < yhi || lyhi < ylo) && ly > yhi) + { + if (sprite->subpriority <= linkedSprite->subpriority) + { + sprite->subpriority = linkedSprite->subpriority + 2; + break; + } + } + } + } + } +} +#else +__attribute__((naked)) static void sub_812882C(struct Sprite *sprite /*r6*/, u8 z, u8 offset) +{ + asm_unified("\tpush {r4-r7,lr}\n" + "\tadds r6, r0, 0\n" + "\tadds r0, r1, 0\n" + "\tlsls r0, 24\n" + "\tlsrs r0, 24\n" + "\tlsls r2, 24\n" + "\tlsrs r2, 24\n" + "\tadds r1, r6, 0\n" + "\tbl SetObjectSubpriorityByZCoord\n" + "\tmovs r7, 0\n" + "_08128842:\n" + "\tlsls r0, r7, 3\n" + "\tadds r0, r7\n" + "\tlsls r0, 2\n" + "\tldr r1, _081288DC @ =gMapObjects\n" + "\tadds r4, r0, r1\n" + "\tldrb r0, [r4]\n" + "\tlsls r0, 31\n" + "\tcmp r0, 0\n" + "\tbeq _081288E4\n" + "\tldrb r0, [r4, 0x5]\n" + "\tbl GetFieldObjectGraphicsInfo\n" + "\tldrb r1, [r4, 0x4]\n" + "\tlsls r0, r1, 4\n" + "\tadds r0, r1\n" + "\tlsls r0, 2\n" + "\tldr r1, _081288E0 @ =gSprites\n" + "\tadds r5, r0, r1\n" + "\tadds r0, r6, 0\n" + "\tadds r0, 0x28\n" + "\tmovs r2, 0\n" + "\tldrsb r2, [r0, r2]\n" + "\tldrh r0, [r6, 0x20]\n" + "\tadds r1, r0, r2\n" + "\tsubs r0, r2\n" + "\tlsls r0, 16\n" + "\tlsrs r4, r0, 16\n" + "\tlsls r1, 16\n" + "\tasrs r1, 16\n" + "\tmovs r0, 0x20\n" + "\tldrsh r2, [r5, r0]\n" + "\tcmp r1, r2\n" + "\tbge _081288E4\n" + "\tlsls r0, r4, 16\n" + "\tasrs r0, 16\n" + "\tcmp r0, r2\n" + "\tble _081288E4\n" + "\tadds r0, r5, 0\n" + "\tadds r0, 0x29\n" + "\tmovs r3, 0\n" + "\tldrsb r3, [r0, r3]\n" + "\tldrh r2, [r5, 0x22]\n" + "\tadds r2, r3\n" + "\tldrh r4, [r5, 0x22]\n" + "\tadds r0, r6, 0\n" + "\tadds r0, 0x29\n" + "\tmovs r1, 0\n" + "\tldrsb r1, [r0, r1]\n" + "\tldrh r0, [r6, 0x22]\n" + "\tsubs r0, r1\n" + "\tlsls r0, 16\n" + "\tasrs r0, 16\n" + "\tadds r3, r0, r3\n" + "\tlsls r2, 16\n" + "\tasrs r2, 16\n" + "\tlsls r3, 16\n" + "\tasrs r3, 16\n" + "\tcmp r2, r3\n" + "\tblt _081288BC\n" + "\tcmp r2, r0\n" + "\tbge _081288E4\n" + "_081288BC:\n" + "\tlsls r0, r4, 16\n" + "\tasrs r0, 16\n" + "\tcmp r0, r3\n" + "\tble _081288E4\n" + "\tadds r2, r6, 0\n" + "\tadds r2, 0x43\n" + "\tadds r0, r5, 0\n" + "\tadds r0, 0x43\n" + "\tldrb r1, [r0]\n" + "\tldrb r0, [r2]\n" + "\tcmp r0, r1\n" + "\tbhi _081288E4\n" + "\tadds r0, r1, 0x2\n" + "\tstrb r0, [r2]\n" + "\tb _081288EE\n" + "\t.align 2, 0\n" + "_081288DC: .4byte gMapObjects\n" + "_081288E0: .4byte gSprites\n" + "_081288E4:\n" + "\tadds r0, r7, 0x1\n" + "\tlsls r0, 24\n" + "\tlsrs r7, r0, 24\n" + "\tcmp r7, 0xF\n" + "\tbls _08128842\n" + "_081288EE:\n" + "\tpop {r4-r7}\n" + "\tpop {r0}\n" + "\tbx r0"); +} +#endif |