//Identical to function @ 0x00498E00
CImage* CSprite::createOverlay(u32 imageId, s8 x, s8 y, u32 direction) {
assert(this);
CImage *overlay = unusedImages.popHead();
if (overlay) {
const CListExtern<CImage, &CImage::link> images(this->imageHead, this->imageTail);
if (this->imageHead) {
images.insertBefore(overlay, this->mainGraphic);
}
else {
this->mainGraphic = overlay;
images.insertAfterHead(overlay);
}
overlay->initializeData(this, imageId, x, y);
createUpdateImageSomething(overlay);
updateImageDirection(overlay, direction);
}
return overlay;
}
void CSprite::setPosition(u16 x, u16 y) {
assert(this);
if (this->position.x == x && this->position.y == y) return;
const int oldTileY = CLAMP(this->position.y / 32, 0, mapTileSize->height - 1);
const int newTileY = CLAMP(y / 32, 0, mapTileSize->height - 1);
this->position.x = x;
this->position.y = y;
if (oldTileY != newTileY) {
const CListExtern<CSprite, &CSprite::link>
spritesOnOldTileRow(spritesOnTileRow->heads[oldTileY],
spritesOnTileRow->tails[oldTileY]),
spritesOnNewTileRow(spritesOnTileRow->heads[newTileY],
spritesOnTileRow->tails[newTileY]);
spritesOnOldTileRow.unlink(this);
spritesOnNewTileRow.insertAfterHead(this);
}
for (CImage *i = this->images.head; i; i = i->link.next)
i->flags |= 1;
}