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engines/tetraedge/te/te_lua_context.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TETRAEDGE_TE_TE_LUA_CONTEXT_H
+#define TETRAEDGE_TE_TE_LUA_CONTEXT_H
+
+#include "common/error.h"
+#include "common/str.h"
+#include "common/serializer.h"
+
+#include "tetraedge/te/te_variant.h"
+
+struct lua_State;
+
+namespace Tetraedge {
+
+class TeLuaGUI;
+
+/*
+ * The lua state holder.  In the original Te engine this is split into an
+ * interface and Impl class, but it just ends up being a 1-line wrapper in
+ * each function so there's very little point.
+ */
+class TeLuaContext {
+public:
+	TeLuaContext();
+	~TeLuaContext();
+
+	void addBindings(void(*fn)(lua_State *));
+	void create();
+	void destroy();
+	TeVariant global(const Common::String &name);
+	void global(const Common::String &name, bool &outVal);
+	void global(const Common::String &name, Common::String &outVal);
+	void global(const Common::String &name, int &outVal);
+	void global(const Common::String &name, float &outVal);
+	bool isCreated() {
+		return _luaState != nullptr;
+	}
+
+	//void load(TiXmlNode *node);
+	//void save(TiXmlNode *node);
+
+	lua_State *luaState() { return _luaState; }
+
+	void registerCFunction(const Common::String &name, int(*fn)(lua_State *));
+
+	void removeGlobal(const Common::String &name);
+
+	void setGlobal(const Common::String &name, int val);
+	void setGlobal(const Common::String &name, bool val);
+	void setGlobal(const Common::String &name, const Common::String &val);
+
+	void setInRegistry(const Common::String &name, TeLuaGUI *gui);
+
+	Common::Error syncState(Common::Serializer &s);
+
+private:
+	lua_State *_luaState;
+};
+
+} // end namespace Tetraedge
+
+#endif // TETRAEDGE_TE_TE_LUA_CONTEXT_H