Initial commit

src/gamedef.h

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+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include "irrlichttypes.h"
+
+class IItemDefManager;
+class NodeDefManager;
+class ICraftDefManager;
+class ITextureSource;
+class IShaderSource;
+class IRollbackManager;
+class EmergeManager;
+class Camera;
+class ModChannel;
+class ModMetadata;
+class ModMetadataDatabase;
+
+namespace irr { namespace scene {
+	class IAnimatedMesh;
+	class ISceneManager;
+}}
+
+struct ModSpec;
+/*
+	An interface for fetching game-global definitions like tool and
+	mapnode properties
+*/
+
+class IGameDef
+{
+public:
+	// These are thread-safe IF they are not edited while running threads.
+	// Thus, first they are set up and then they are only read.
+	virtual IItemDefManager* getItemDefManager()=0;
+	virtual const NodeDefManager* getNodeDefManager()=0;
+	virtual ICraftDefManager* getCraftDefManager()=0;
+
+	// Used for keeping track of names/ids of unknown nodes
+	virtual u16 allocateUnknownNodeId(const std::string &name)=0;
+
+	// Only usable on the server, and NOT thread-safe. It is usable from the
+	// environment thread.
+	virtual IRollbackManager* getRollbackManager() { return NULL; }
+
+	// Shorthands
+	// TODO: these should be made const-safe so that a const IGameDef* is
+	//       actually usable
+	IItemDefManager  *idef()     { return getItemDefManager(); }
+	const NodeDefManager  *ndef() { return getNodeDefManager(); }
+	ICraftDefManager *cdef()     { return getCraftDefManager(); }
+	IRollbackManager *rollback() { return getRollbackManager(); }
+
+	virtual const std::vector<ModSpec> &getMods() const = 0;
+	virtual const ModSpec* getModSpec(const std::string &modname) const = 0;
+	virtual std::string getWorldPath() const { return ""; }
+	virtual bool registerModStorage(ModMetadata *storage) = 0;
+	virtual void unregisterModStorage(const std::string &name) = 0;
+	virtual ModMetadataDatabase *getModStorageDatabase() = 0;
+
+	virtual bool joinModChannel(const std::string &channel) = 0;
+	virtual bool leaveModChannel(const std::string &channel) = 0;
+	virtual bool sendModChannelMessage(const std::string &channel,
+		const std::string &message) = 0;
+	virtual ModChannel *getModChannel(const std::string &channel) = 0;
+};