New type of zone - "sealed"

config/schemas/template.json

@@ -12,7 +12,7 @@
 			"properties" : {
 				"type" : {
 					"type" : "string",
-					"enum" : ["playerStart", "cpuStart", "treasure", "junction"]
+					"enum" : ["playerStart", "cpuStart", "treasure", "junction", "sealed"]
 				},
 				"size" : { "type" : "number", "minimum" : 1 },
 				"owner" : {},

docs/modders/Random_Map_Template.md

@@ -28,10 +28,11 @@
 	
 	/// List of game settings that were overriden by this template. See config/gameConfig.json in vcmi install directory for possible values
 	/// Settings defined here will always override any settings from vcmi or from mods
-	"settings" : {
-			"heroes" : {
-				"perPlayerOnMapCap" : 1
-			}
+	"settings" :
+	{
+		"heroes" :
+		{
+			"perPlayerOnMapCap" : 1
 		}
 	},
 
@@ -59,7 +60,7 @@
 ``` javascript
 {
 	// Type of this zone. Possible values are:
-	// "playerStart", "cpuStart", "treasure", "junction"
+	// "playerStart", "cpuStart", "treasure", "junction", "sealed"
 	"type" : "playerStart", 
 
 	// relative size of zone

lib/rmg/CRmgTemplate.cpp

@@ -335,7 +335,8 @@ void ZoneOptions::serializeJson(JsonSerializeFormat & handler)
 		"cpuStart",
 		"treasure",
 		"junction",
-		"water"
+		"water",
+		"sealed"
 	};
 
 	handler.serializeEnum("type", type, zoneTypes);

lib/rmg/CRmgTemplate.h

@@ -28,7 +28,8 @@ enum class ETemplateZoneType
 	CPU_START,
 	TREASURE,
 	JUNCTION,
-	WATER
+	WATER,
+	SEALED
 };
 
 namespace EWaterContent // Not enum class, because it's used in method RandomMapTab::setMapGenOptions

lib/rmg/Zone.cpp

@@ -138,7 +138,7 @@ void Zone::initFreeTiles()
 	});
 	dAreaPossible.assign(possibleTiles);
 	
-	if(dAreaFree.empty())
+	if(dAreaFree.empty() && getType() != ETemplateZoneType::SEALED)
 	{
 		// Fixme: This might fail fot water zone, which doesn't need to have a tile in its center of the mass
 		dAreaPossible.erase(pos);
@@ -348,6 +348,16 @@ void Zone::fractalize()
 			tilesToIgnore.clear();
 		}
 	}
+	else if (type == ETemplateZoneType::SEALED)
+	{
+		//Completely block all the tiles in the zone
+		auto tiles = areaPossible()->getTiles();
+		for(const auto & t : tiles)
+			map.setOccupied(t, ETileType::BLOCKED);
+		possibleTiles.clear();
+		dAreaFree.clear();
+		return;
+	}
 	else
 	{
 		// Handle special case - place Monoliths at the edge of a zone