std::vector<ImageData> SpriteImporter::splitImagesInGrid(const std::vector<ImageData>& images, Vector2i grid)
{
std::vector<ImageData> result;
for (auto& src: images) {
auto imgSize = src.img->getSize();
int nX = imgSize.x / grid.x;
int nY = imgSize.y / grid.y;
for (int y = 0; y < nY; ++y) {
for (int x = 0; x < nX; ++x) {
auto img = std::make_unique<Image>(Image::Format::RGBA, grid);
img->blitFrom(Vector2i(), *src.img, Rect4i(Vector2i(x, y) * grid, grid.x, grid.y));
Rect4i trimRect = img->getTrimRect();
if (trimRect.getWidth() > 0 && trimRect.getHeight() > 0) {
result.emplace_back();
auto& dst = result.back();
String suffix = "_" + toString(x) + "_" + toString(y);
dst.duration = src.duration;
dst.frameNumber = src.frameNumber;
dst.filenames.emplace_back(src.filenames.at(0) + suffix);
dst.sequenceName = src.sequenceName + suffix;
dst.img = std::move(img);
dst.clip = Rect4i({}, grid);
}
}
}
}
return result;
}
bool RectangleSpatialChecker::updateData(Entry& entry, Rect4i prev, Rect4i next)
{
if (prev == next) {
return false; // Nothing to do here
}
int x0, x1, y0, y1;
x0 = y0 = std::numeric_limits<int>::max();
x1 = y1 = std::numeric_limits<int>::lowest();
Rect4i addRect;
Rect4i delRect;
bool hasAdd = false;
bool hasDel = false;
if (prev.getWidth() > 0 && prev.getHeight() > 0) {
Vector2i p1 = pointToCell(prev.getTopLeft());
Vector2i p2 = pointToCell(prev.getBottomRight());
delRect = Rect4i(p1, p2);
hasDel = true;
x0 = p1.x;
x1 = p2.x;
y0 = p1.y;
y1 = p2.y;
}
if (next.getWidth() > 0 && next.getHeight() > 0) {
Vector2i p1 = pointToCell(next.getTopLeft());
Vector2i p2 = pointToCell(next.getBottomRight());
addRect = Rect4i(p1, p2);
hasAdd = true;
x0 = std::min(x0, p1.x);
x1 = std::max(x1, p2.x);
y0 = std::min(y0, p1.y);
y1 = std::max(y1, p2.y);
}
for (int y = y0; y <= y1; y++) {
for (int x = x0; x <= x1; x++) {
Vector2i p(x, y);
bool removeHere = hasDel && delRect.isInside(p);
bool addHere = hasAdd && addRect.isInside(p);
auto& contents = getGridCell(x, y);
if (addHere && removeHere) {
// Find existing, then update it with new rect
for (size_t i = 0; i < contents.size(); i++) {
if (contents[i].data == entry.data) {
contents[i].rect = next;
break;
}
}
} else if (removeHere) {
// Remove
//int removed = 0;
for (size_t i = 0; i < contents.size(); i++) {
if (contents[i].data == entry.data) {
if (i != contents.size() - 1) {
std::swap(contents[i], contents[contents.size() - 1]);
}
contents.pop_back();
break; // Safe to break because there should only ever be one copy of each object in each cell
}
}
} else if (addHere) {
// Insert, making sure to update rect to new value, since "entry" is still outdated
contents.push_back(entry);
contents.back().rect = next;
}
}
}
// Update the main entry itself
entry.rect = next;
return true;
}
