allow the probabilistic recipe output of the reprocessing plant to yield more than 1 item of a type per cycle

src/ui/selection/BufferedBuildingContent.cpp

@@ -75,7 +75,7 @@ BufferedBuildingContent::BufferedBuildingContent(const SelectionContext& context
 
     m_production = new ProductionSection(this);
 
-    m_outputSection = new SectionBox(tr("Output buffer"), this);
+    m_outputSection = new SectionBox(tr("Output buffers"), this);
     m_outputChips   = new ItemChipRow(context, m_outputSection);
     m_outputSection->getContentLayout()->addWidget(m_outputChips);
 
@@ -200,11 +200,16 @@ std::vector<ItemChipRow::Entry> BufferedBuildingContent::buildOutputEntries(
 
         ItemChipRow::Entry chip;
         chip.itemId = itemId;
-        // Counted against the buffer's capacity, which is what production stops at
-        // (REQ-MAT-OUTPUT-BUFFER).
-        chip.countText = building.outputBuffer.capacity > 0
-            ? tr("%1 / %2").arg(lookUp(buffered, itemId))
-                           .arg(building.outputBuffer.capacity)
+        // Counted against this item's own buffer capacity, which is what production
+        // stops at (REQ-MAT-OUTPUT-BUFFER, REQ-UI-SINGLE-SELECTION). A chip for an item
+        // the building has no buffer for -- one left over from a previous recipe --
+        // carries the bare count, as an unsized buffer has no denominator to state.
+        const std::map<ItemType, int>::const_iterator capIt =
+            building.outputBuffer.caps.find(ItemType{itemId});
+        const int cap =
+            (capIt != building.outputBuffer.caps.end()) ? capIt->second : 0;
+        chip.countText = cap > 0
+            ? tr("%1 / %2").arg(lookUp(buffered, itemId)).arg(cap)
             : QString::number(lookUp(buffered, itemId));
         chip.subLine = QString::fromStdString(toDisplayName(itemId));
         entries.push_back(chip);