void ImportSpriteSheetCommand::onExecute(Context* context)
{
ImportSpriteSheetWindow window(context);
window.openWindowInForeground();
if (!window.ok())
return;
Doc* document = window.document();
DocumentPreferences* docPref = window.docPref();
gfx::Rect frameBounds = window.frameBounds();
gfx::Size padThickness = window.paddingThickness();
bool partialTiles = window.partialTilesValue();
bool paddingEnable = window.paddingEnabledValue();
auto sheetType = window.sheetTypeValue();
ASSERT(document);
if (!document)
return;
// The list of frames imported from the sheet
std::vector<ImageRef> animation;
try {
Sprite* sprite = document->sprite();
frame_t currentFrame = context->activeSite().frame();
render::Render render;
render.setNewBlend(Preferences::instance().experimental.newBlend());
// Each sprite in the sheet
std::vector<gfx::Rect> tileRects;
int widthStop = sprite->width();
int heightStop = sprite->height();
if (partialTiles) {
widthStop += frameBounds.w-1;
heightStop += frameBounds.h-1;
}
switch (sheetType) {
case app::SpriteSheetType::Horizontal:
for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
tileRects.push_back(gfx::Rect(x, frameBounds.y, frameBounds.w, frameBounds.h));
}
break;
case app::SpriteSheetType::Vertical:
for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
tileRects.push_back(gfx::Rect(frameBounds.x, y, frameBounds.w, frameBounds.h));
}
break;
case app::SpriteSheetType::Rows:
for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
tileRects.push_back(gfx::Rect(x, y, frameBounds.w, frameBounds.h));
}
}
break;
case app::SpriteSheetType::Columns:
for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
tileRects.push_back(gfx::Rect(x, y, frameBounds.w, frameBounds.h));
}
}
break;
}
// As first step, we cut each tile and add them into "animation" list.
for (const auto& tileRect : tileRects) {
ImageRef resultImage(
Image::create(
sprite->pixelFormat(), tileRect.w, tileRect.h));
// Render the portion of sheet.
render.renderSprite(
resultImage.get(), sprite, currentFrame,
gfx::Clip(0, 0, tileRect));
animation.push_back(resultImage);
}
if (animation.size() == 0) {
Alert::show(Strings::alerts_empty_rect_importing_sprite_sheet());
return;
}
// The following steps modify the sprite, so we wrap all
// operations in a undo-transaction.
ContextWriter writer(context);
Tx tx(writer.context(), "Import Sprite Sheet", ModifyDocument);
DocApi api = document->getApi(tx);
// Add the layer in the sprite.
LayerImage* resultLayer = api.newLayer(sprite->root(), "Sprite Sheet");
// Add all frames+cels to the new layer
for (size_t i=0; i<animation.size(); ++i) {
// Create the cel.
std::unique_ptr<Cel> resultCel(new Cel(frame_t(i), animation[i]));
// Add the cel in the layer.
api.addCel(resultLayer, resultCel.get());
resultCel.release();
}
// Copy the list of layers (because we will modify it in the iteration).
LayerList layers = sprite->root()->layers();
// Remove all other layers
for (Layer* child : layers) {
if (child != resultLayer)
api.removeLayer(child);
}
// Change the number of frames
api.setTotalFrames(sprite, frame_t(animation.size()));
// Set the size of the sprite to the tile size.
api.setSpriteSize(sprite, frameBounds.w, frameBounds.h);
tx.commit();
ASSERT(docPref);
if (docPref) {
docPref->importSpriteSheet.type(sheetType);
docPref->importSpriteSheet.bounds(frameBounds);
docPref->importSpriteSheet.partialTiles(partialTiles);
docPref->importSpriteSheet.paddingBounds(padThickness);
docPref->importSpriteSheet.paddingEnabled(paddingEnable);
}
}
catch (...) {
throw;
}
update_screen_for_document(document);
}
