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https://github.com/worldforge/cyphesis
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c5583e149f
Since it's more common that the position changes that the mod itself does we want to pre parse the data in the translator first, and then supply the pos and orientation when creating the mod.
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
//
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// C++ Interface: TerrainMod
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//
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// Description: The purpose of this class is to handle the bulk of the work
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// involved with using Mercator::TerrainMods. It handles parsing
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// the Atlas data and storing all the information needed by
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// TerrainGenerator to add and remove them from the Terrain.
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//
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// TerrainGenerator listens for changes in the modifier and
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// updates or removes the modifiers from the terrain as needed.
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//
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//
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// Author: Tamas Bates <rhymer@gmail.com>, (C) 2008
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// Author: Erik Ogenvik <erik@ogenvik.org>, (C) 2008
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.//
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//
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#ifndef TERRAINMODTRANSLATOR_H
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#define TERRAINMODTRANSLATOR_H
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#include <Atlas/Message/Element.h>
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#include <wfmath/point.h>
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#include <memory>
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namespace Mercator
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{
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class TerrainMod;
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}
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/**
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* @author Erik Ogenvik <erik@ogenvik.org>
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* @brief Handles translation of terrain mod data into Mercator::TerrainMod instances.
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*
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*/
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class TerrainModTranslator
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{
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public:
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explicit TerrainModTranslator(const Atlas::Message::MapType& data);
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~TerrainModTranslator() = default;
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/**
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* Creates a TerrainMod instance, if possible.
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* @param pos
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* @param orientation
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* @return A terrain mod instance, or null if none could be created.
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*/
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Mercator::TerrainMod* parseData(const WFMath::Point<3> & pos, const WFMath::Quaternion & orientation);
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/**
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* @brief True if there's a valid inner translator.
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* @return
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*/
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bool isValid() const;
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/**
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* Removes any internal translator.
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*/
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void reset();
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static float parsePosition(const WFMath::Point<3> & pos, const Atlas::Message::MapType& modElement);
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protected:
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/**
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* Interface for inner translator.
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*
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* Concrete templated subclasses are used for both shapes and mod types.
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*/
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class InnerTranslator
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{
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public:
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InnerTranslator(const Atlas::Message::MapType &);
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virtual Mercator::TerrainMod* createInstance(const WFMath::Point<3>& pos, const WFMath::Quaternion& orientation) = 0;
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protected:
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const Atlas::Message::MapType mData;
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};
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template<template<int> class Shape>
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InnerTranslator* buildTranslator(const Atlas::Message::MapType& modElement, const std::string & typeName, Shape<2> & shape, const Atlas::Message::Element & shapeElement);
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std::shared_ptr<TerrainModTranslator::InnerTranslator> mInnerTranslator;
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};
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#endif
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