Began working on the lua API for the map

The basic framework is done.

common/map/map_generator.hpp

@@ -24,12 +24,33 @@
 
 #include "region.hpp"
 
-class MapGenerator {
+#include "lua/lua.hpp"
+
+class BlankGenerator {
 public:
 	void Create(Region** const, int width, int height, int depth, int x, int y);
 	void Unload(Region* const);
 private:
 	//
 };
+/*
+class PerlinGenerator {
+public:
+	void Create(Region** const, int width, int height, int depth, int x, int y);
+	void Unload(Region* const);
+private:
+	//
+};
+*/
+class LuaGenerator {
+public:
+	void Create(Region** const, int width, int height, int depth, int x, int y);
+	void Unload(Region* const);
+
+	lua_State* SetLuaState(lua_State* L) { return state = L; }
+	lua_State* GetLuaState() { return state; }
+private:
+	lua_State* state = nullptr;
+};
 
 #endif