extract WorldRenderer

src/lib/sim/FactoryQueries.h

@@ -12,6 +12,7 @@
 #include "FactoryState.h"
 #include "GameConfig.h"
 #include "Port.h"
+#include "TunnelCompletion.h"
 
 // Queries and operations over the factory's world data that need nothing but that
 // data — no config, no belts, no RNG. Free functions rather than BuildingSystem
@@ -69,3 +70,13 @@ std::vector<Port> getInputPorts(const FactoryState& state, const GameConfig& con
 std::optional<BeltSystem::SplitterInfo> getSiteSplitterInfo(const FactoryState& state,
                                                             const GameConfig& config,
                                                             BuildingId id);
+
+// Ids of all buildings and construction sites whose footprint intersects the tile
+// box spanned by the two (unordered) corner tiles (REQ-UI-MULTI-SELECT,
+// REQ-BLD-DECONSTRUCT-BOX).
+std::vector<BuildingId> buildingsInBox(const FactoryState& state,
+                                       QPoint cornerA, QPoint cornerB);
+
+// Every tunnel entry and exit, built or still a construction site, indexed by its
+// single-cell tile. Shared by the placement preview and the selection highlight.
+TunnelTileMap collectTunnelTiles(const FactoryState& state);