depend on factory data instead of BuildingSystem in the AI path

src/lib/sim/BuildingSystem.cpp

@@ -6,6 +6,7 @@
 #include <random>
 #include <set>
 
+#include "FactoryQueries.h"
 #include "PortGeometry.h"
 #include "StateChecksum.h"
 #include "SurfaceMask.h"
@@ -1264,87 +1265,37 @@ void BuildingSystem::forEachIncomingItem(
 
 const Building* BuildingSystem::findBuilding(BuildingId id) const
 {
-    for (const Building& building : m_state.buildings)
-    {
-        if (building.id == id)
-        {
-            return &building;
-        }
-    }
-    return nullptr;
+    return ::findBuilding(m_state, id);
 }
 
 Building* BuildingSystem::findBuildingMutable(BuildingId id)
 {
-    for (Building& building : m_state.buildings)
-    {
-        if (building.id == id)
-        {
-            return &building;
-        }
-    }
-    return nullptr;
+    return ::findBuilding(m_state, id);
 }
 
 const ConstructionSite* BuildingSystem::findSite(BuildingId id) const
 {
-    for (const ConstructionSite& site : m_state.constructionQueue)
-    {
-        if (site.id == id)
-        {
-            return &site;
-        }
-    }
-    return nullptr;
+    return ::findSite(m_state, id);
 }
 
 std::vector<Building> BuildingSystem::getAllBuildings() const
 {
-    return m_state.buildings;
+    return ::getAllBuildings(m_state);
 }
 
 std::vector<ConstructionSite> BuildingSystem::getAllSites() const
 {
-    return std::vector<ConstructionSite>(m_state.constructionQueue.begin(),
-                                         m_state.constructionQueue.end());
+    return ::getAllSites(m_state);
 }
 
-namespace
-{
-bool isProductionBuildingType(BuildingType type)
-{
-    switch (type)
-    {
-    case BuildingType::Miner:
-    case BuildingType::Smelter:
-    case BuildingType::Assembler:
-    case BuildingType::ReprocessingPlant:
-    case BuildingType::Shipyard:
-        return true;
-    default:
-        return false;
-    }
-}
-}  // namespace
-
 int BuildingSystem::getProductionBuildingCount() const
 {
-    int count = 0;
-    for (const Building& b : m_state.buildings)
-    {
-        if (isProductionBuildingType(b.type)) { ++count; }
-    }
-    return count;
+    return ::getProductionBuildingCount(m_state);
 }
 
 int BuildingSystem::getActiveProductionBuildingCount() const
 {
-    int count = 0;
-    for (const Building& b : m_state.buildings)
-    {
-        if (isProductionBuildingType(b.type) && b.production.has_value()) { ++count; }
-    }
-    return count;
+    return ::getActiveProductionBuildingCount(m_state);
 }
 
 std::vector<const RecipeDef*>
@@ -1522,7 +1473,7 @@ std::vector<BuildingSystem::BeltTileInfo> BuildingSystem::getAllBeltTiles() cons
 
 bool BuildingSystem::isTileOccupied(QPoint tile) const
 {
-    return m_state.grid.isOccupied(tile);
+    return ::isTileOccupied(m_state, tile);
 }
 
 std::optional<BuildingId> BuildingSystem::findRotateInPlaceTarget(
@@ -1643,53 +1594,12 @@ void BuildingSystem::rotateInPlace(BuildingId id, Rotation newRotation)
 const Building* BuildingSystem::findNearestBuilding(QVector2D worldPos,
                                                     BuildingType type) const
 {
-    const Building* best = nullptr;
-    float bestDist = std::numeric_limits<float>::max();
-    for (const Building& b : m_state.buildings)
-    {
-        if (b.type != type)
-        {
-            continue;
-        }
-        QVector2D center(b.anchor.x() + b.footprint.width()  / 2.0f,
-                         b.anchor.y() + b.footprint.height() / 2.0f);
-        float dist = (center - worldPos).length();
-        if (dist < bestDist)
-        {
-            bestDist = dist;
-            best = &b;
-        }
-    }
-    return best;
+    return ::findNearestBuilding(m_state, worldPos, type);
 }
 
 bool BuildingSystem::deliverScrapToSalvageBay(BuildingId bayId)
 {
-    Building* bay = nullptr;
-    for (Building& b : m_state.buildings)
-    {
-        if (b.id == bayId)
-        {
-            bay = &b;
-            break;
-        }
-    }
-    if (!bay || bay->type != BuildingType::SalvageBay)
-    {
-        return false;
-    }
-    if (bay->queuedForDeconstruction)
-    {
-        return false;  // queued for deconstruction: stopped operating (REQ-BLD-DECON-QUEUE)
-    }
-    // Emerging scrap still counts against the bay's holding capacity
-    // (REQ-MAT-OUTPUT-EMERGE).
-    if (bay->getOutputItemCount() >= bay->outputBuffer.capacity)
-    {
-        return false;
-    }
-    bay->outputBuffer.items.push_back(Item{ItemType{"scrap"}});
-    return true;
+    return ::deliverScrapToSalvageBay(m_state, bayId);
 }
 
 BuildingId BuildingSystem::placeImmediate(BuildingType type,