Mine roads (#808)

* Create dirt roads to mines if there are no roads in a zone.

config/randomMap.json

@@ -22,6 +22,7 @@
   },
   "minGuardStrength" : 2000,
   "defaultRoadType" : "pc", //pd - dirt, pg - gravel, pc - cobblestone
+  "secondaryRoadType": "pd",
   "treasureValueLimit" : 20000, //generate pandora with gold for treasure above this limit
   "prisons" :
   {

lib/rmg/CMapGenerator.cpp

@@ -64,6 +64,7 @@ void CMapGenerator::loadConfig()
 	config.mineExtraResources = randomMapJson["mines"]["extraResourcesLimit"].Integer();
 	config.minGuardStrength = randomMapJson["minGuardStrength"].Integer();
 	config.defaultRoadType = randomMapJson["defaultRoadType"].String();
+	config.secondaryRoadType = randomMapJson["secondaryRoadType"].String();
 	config.treasureValueLimit = randomMapJson["treasureValueLimit"].Integer();
 	for(auto & i : randomMapJson["prisons"]["experience"].Vector())
 		config.prisonExperience.push_back(i.Integer());

lib/rmg/CMapGenerator.h

@@ -38,6 +38,7 @@ public:
 		int mineExtraResources;
 		int minGuardStrength;
 		std::string defaultRoadType;
+		std::string secondaryRoadType;
 		int treasureValueLimit;
 		std::vector<int> prisonExperience, prisonValues;
 		std::vector<int> scrollValues;

lib/rmg/ObjectManager.cpp

@@ -77,6 +77,21 @@ const rmg::Area & ObjectManager::getVisitableArea() const
 	return objectsVisitableArea;
 }
 
+std::vector<CGObjectInstance*> ObjectManager::getMines() const
+{
+	std::vector<CGObjectInstance*> mines;
+	
+	for (auto object : objects)
+	{
+		if (object->ID == Obj::MINE)
+		{
+			mines.push_back(object);
+		}
+	}
+
+	return mines;
+}
+
 int3 ObjectManager::findPlaceForObject(const rmg::Area & searchArea, rmg::Object & obj, std::function<float(const int3)> weightFunction, OptimizeType optimizer) const
 {
 	float bestWeight = 0.f;

lib/rmg/ObjectManager.h

@@ -64,6 +64,8 @@ public:
 	
 	const rmg::Area & getVisitableArea() const;
 
+	std::vector<CGObjectInstance*> getMines() const;
+	
 protected:
 	//content info
 	std::vector<std::pair<CGObjectInstance*, ui32>> requiredObjects;

lib/rmg/RoadPlacer.cpp

@@ -10,6 +10,7 @@
 
 #include "StdInc.h"
 #include "RoadPlacer.h"
+#include "ObjectManager.h"
 #include "Functions.h"
 #include "CMapGenerator.h"
 #include "RmgMap.h"
@@ -63,12 +64,13 @@ bool RoadPlacer::createRoad(const int3 & dst)
 	
 }
 
-void RoadPlacer::drawRoads()
+void RoadPlacer::drawRoads(bool secondary)
 {
 	zone.areaPossible().subtract(roads);
 	zone.freePaths().unite(roads);
 	map.getEditManager()->getTerrainSelection().setSelection(roads.getTilesVector());
-	map.getEditManager()->drawRoad(generator.getConfig().defaultRoadType, &generator.rand);
+	std::string roadType = (secondary ? generator.getConfig().secondaryRoadType : generator.getConfig().defaultRoadType);
+	map.getEditManager()->drawRoad(roadType, &generator.rand);
 }
 
 void RoadPlacer::addRoadNode(const int3& node)
@@ -78,7 +80,22 @@ void RoadPlacer::addRoadNode(const int3& node)
 
 void RoadPlacer::connectRoads()
 {
-	if(roadNodes.empty())
+	bool noRoadNodes = false;
+	//Assumes objects are already placed
+	if (roadNodes.size() < 2)
+	{
+		//If there are no nodes, draw roads to mines
+		noRoadNodes = true;
+		if (auto* m = zone.getModificator<ObjectManager>())
+		{
+			for (auto object : m->getMines())
+			{
+				addRoadNode(object->visitablePos());
+			}
+		}
+	}
+
+	if(roadNodes.size() < 2)
 		return;
 	
 	//take any tile from road nodes as destination zone for all other road nodes
@@ -90,7 +107,8 @@ void RoadPlacer::connectRoads()
 		createRoad(node);
 	}
 	
-	drawRoads();
+	//Draw dirt roads if there are only mines
+	drawRoads(noRoadNodes);
 }
 
 char RoadPlacer::dump(const int3 & t)

lib/rmg/RoadPlacer.h

@@ -28,7 +28,7 @@ public:
 	
 protected:
 	bool createRoad(const int3 & dst);
-	void drawRoads(); //actually updates tiles
+	void drawRoads(bool secondary = false); //actually updates tiles
 	
 protected:
 	rmg::Tileset roadNodes; //tiles to be connected with roads