Moved road & river handlers into a separate file

lib/RoadHandler.h

@@ -0,0 +1,79 @@
+/*
+ * TerrainHandler.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+
+#pragma once
+
+#include <vcmi/EntityService.h>
+#include <vcmi/Entity.h>
+#include "GameConstants.h"
+#include "IHandlerBase.h"
+
+VCMI_LIB_NAMESPACE_BEGIN
+
+class DLL_LINKAGE RoadType : public EntityT<RoadId>
+{
+	friend class RoadTypeHandler;
+	std::string identifier;
+	RoadId id;
+
+	const std::string & getName() const override { return identifier;}
+public:
+	int32_t getIndex() const override { return id.getNum(); }
+	int32_t getIconIndex() const override { return 0; }
+	const std::string & getJsonKey() const override { return identifier;}
+	void registerIcons(const IconRegistar & cb) const override {}
+	RoadId getId() const override { return id;}
+	void updateFrom(const JsonNode & data) {};
+
+	std::string getNameTextID() const;
+	std::string getNameTranslated() const;
+
+	std::string tilesFilename;
+	std::string shortIdentifier;
+	ui8 movementCost;
+
+	RoadType();
+
+	template <typename Handler> void serialize(Handler& h, const int version)
+	{
+		h & tilesFilename;
+		h & identifier;
+		h & id;
+		h & movementCost;
+	}
+};
+
+class DLL_LINKAGE RoadTypeService : public EntityServiceT<RoadId, RoadType>
+{
+public:
+};
+
+class DLL_LINKAGE RoadTypeHandler : public CHandlerBase<RoadId, RoadType, RoadType, RoadTypeService>
+{
+public:
+	virtual RoadType * loadFromJson(
+		const std::string & scope,
+		const JsonNode & json,
+		const std::string & identifier,
+		size_t index) override;
+
+	RoadTypeHandler();
+
+	virtual const std::vector<std::string> & getTypeNames() const override;
+	virtual std::vector<JsonNode> loadLegacyData(size_t dataSize) override;
+	virtual std::vector<bool> getDefaultAllowed() const override;
+
+	template <typename Handler> void serialize(Handler & h, const int version)
+	{
+		h & objects;
+	}
+};
+
+VCMI_LIB_NAMESPACE_END