void CSprite::free() {
assert(this);
CImage *image = this->images.head;
while (image) {
CImage *nextImage = image->link.next;
image->free();
image = nextImage;
}
const int y = CLAMP(this->position.y / 32, 0, mapTileSize->height - 1);
const CListExtern<CSprite, &CSprite::link>
spritesOnTileRow(spritesOnTileRow->heads[y],
spritesOnTileRow->tails[y]);
spritesOnTileRow.unlink(this);
unusedSprites->insertAfterHead<&CSprite::link>(this);
}
void CImage::free() {
assert(this);
if (!(screenLayers->game.hasBeenRefreshed))
scbw::refreshScreen(this->screenPosition.x,
this->screenPosition.y,
this->screenPosition.x + this->grpSize.right,
this->screenPosition.y + this->grpSize.bottom
);
CSprite* const parent = this->parentSprite;
const CListExtern<CImage, &CImage::link>
imageList(parent->imageHead, parent->imageTail);
imageList.unlink(this);
this->grpOffset = NULL;
unusedImages.insertAfterHead(this);
}
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;
}