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#include "global.h"
#include "battle_anim.h"
#include "rom_8077ABC.h"
extern s16 gBattleAnimArgs[8];
extern u8 gAnimBankAttacker;
extern u8 gAnimBankTarget;
extern u16 gBattleTypeFlags;
void sub_80D59B0(struct Sprite *);
static void sub_80D5A74(struct Sprite *);
// heated_rock (moves heated rock sprites)
// Used in Eruption.
void sub_80D58FC(struct Sprite *sprite)
{
sub_80D59B0(sprite);
if (sprite->invisible)
{
gTasks[sprite->data[6]].data[sprite->data[7]]--;
DestroySprite(sprite);
}
}
u16 sub_80D5940(u8 spriteId)
{
u16 var1 = gSprites[spriteId].pos1.y + gSprites[spriteId].pos2.y + gSprites[spriteId].centerToCornerVecY;
if (GetBankSide(gAnimBankAttacker) == 0)
{
var1 = ((var1 << 16) + 0x4A0000) >> 16;
}
else
{
var1 = ((var1 << 16) + 0x2C0000) >> 16;
}
return var1;
}
void sub_80D5994(struct Sprite *sprite, s16 x, s16 y)
{
sprite->data[0] = 0;
sprite->data[1] = 0;
sprite->data[2] = (u16)sprite->pos1.x * 8;
sprite->data[3] = (u16)sprite->pos1.y * 8;
sprite->data[4] = x * 8;
sprite->data[5] = y * 8;
}
#ifdef NONMATCHING
void sub_80D59B0(struct Sprite *sprite)
{
int var1;
int var2;
if (++sprite->data[0] > 2)
{
sprite->data[0] = 0;
++sprite->data[1];
sprite->data[3] += ((u16)sprite->data[1] * (u16)sprite->data[1]);
}
var1 = (u16)sprite->data[4] + (u16)sprite->data[2];
sprite->data[2] = var1;
var1 = (s16)var1 >> 3;
sprite->pos1.x = var1;
var2 = (u16)sprite->data[5] + (u16)sprite->data[3];
sprite->data[3] = var2;
var2 = (s16)var2 >> 3;
sprite->pos1.y = var2;
if ((u32)((var1 + 8) << 16) > 0x1000000 || var2 < -8 || var2 > 120)
{
sprite->invisible = 1;
}
}
#else
__attribute__((naked))
void sub_80D59B0(struct Sprite *sprite)
{
asm(".syntax unified\n\
push {lr}\n\
adds r2, r0, 0\n\
ldrh r0, [r2, 0x2E]\n\
adds r0, 0x1\n\
strh r0, [r2, 0x2E]\n\
lsls r0, 16\n\
asrs r0, 16\n\
cmp r0, 0x2\n\
ble _080D59DA\n\
movs r0, 0\n\
strh r0, [r2, 0x2E]\n\
ldrh r0, [r2, 0x30]\n\
adds r0, 0x1\n\
strh r0, [r2, 0x30]\n\
ldrh r0, [r2, 0x30]\n\
adds r1, r0, 0\n\
muls r1, r0\n\
adds r0, r1, 0\n\
ldrh r3, [r2, 0x34]\n\
adds r0, r3\n\
strh r0, [r2, 0x34]\n\
_080D59DA:\n\
ldrh r0, [r2, 0x36]\n\
ldrh r1, [r2, 0x32]\n\
adds r0, r1\n\
strh r0, [r2, 0x32]\n\
lsls r0, 16\n\
asrs r0, 19\n\
strh r0, [r2, 0x20]\n\
ldrh r1, [r2, 0x38]\n\
ldrh r3, [r2, 0x34]\n\
adds r1, r3\n\
strh r1, [r2, 0x34]\n\
lsls r1, 16\n\
asrs r3, r1, 19\n\
strh r3, [r2, 0x22]\n\
adds r0, 0x8\n\
lsls r0, 16\n\
movs r1, 0x80\n\
lsls r1, 17\n\
cmp r0, r1\n\
bhi _080D5A10\n\
adds r1, r3, 0\n\
movs r0, 0x8\n\
negs r0, r0\n\
cmp r1, r0\n\
blt _080D5A10\n\
cmp r1, 0x78\n\
ble _080D5A1C\n\
_080D5A10:\n\
adds r0, r2, 0\n\
adds r0, 0x3E\n\
ldrb r1, [r0]\n\
movs r2, 0x4\n\
orrs r1, r2\n\
strb r1, [r0]\n\
_080D5A1C:\n\
pop {r0}\n\
bx r0\n\
.syntax divided\n");
}
#endif // NONMATCHING
void sub_80D5A20(struct Sprite *sprite)
{
sprite->pos1.x = gBattleAnimArgs[0];
sprite->pos1.y = gBattleAnimArgs[1];
sprite->data[0] = 0;
sprite->data[1] = 0;
sprite->data[2] = 0;
sprite->data[6] = gBattleAnimArgs[2];
sprite->data[7] = gBattleAnimArgs[3];
sprite->oam.tileNum += gBattleAnimArgs[4] * 16;
sprite->callback = sub_80D5A74;
}
static void sub_80D5A74(struct Sprite *sprite)
{
switch (sprite->data[0])
{
case 0:
if (sprite->data[6] != 0)
{
sprite->data[6]--;
return;
}
sprite->data[0]++;
// fall through
case 1:
sprite->pos1.y += 8;
if (sprite->pos1.y >= sprite->data[7])
{
sprite->pos1.y = sprite->data[7];
sprite->data[0]++;
}
break;
case 2:
if (++sprite->data[1] > 1)
{
sprite->data[1] = 0;
if ((++sprite->data[2] & 1) != 0)
{
sprite->pos2.y = -3;
}
else
{
sprite->pos2.y = 3;
}
}
if (++sprite->data[3] > 16)
{
DestroyAnimSprite(sprite);
}
break;
}
}
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