mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
273 lines
8.8 KiB
C++
273 lines
8.8 KiB
C++
//
|
|
// C++ Implementation: TerrainMod
|
|
//
|
|
// Description:
|
|
//
|
|
//
|
|
// Author: Tamas Bates <rhymer@gmail.com>, (C) 2008
|
|
// Author: Erik Ogenvik <erik@worldforge.org>, (C) 2008
|
|
//
|
|
// 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 2 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, write to the Free Software
|
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.//
|
|
//
|
|
#ifdef HAVE_CONFIG_H
|
|
#endif
|
|
|
|
#include "TerrainModTranslator.h"
|
|
#include "common/log.h"
|
|
|
|
#include <Mercator/TerrainMod.h>
|
|
|
|
#include <wfmath/atlasconv.h>
|
|
|
|
using Atlas::Message::Element;
|
|
using Atlas::Message::MapType;
|
|
using Atlas::Message::ListType;
|
|
using Atlas::Message::FloatType;
|
|
|
|
/**
|
|
* @brief Templated translator which creates concrete mod instances.
|
|
*/
|
|
template<template<template<int> class ShapeT> class ModT, template<int> class ShapeT>
|
|
class InnerTranslatorImpl: public TerrainModTranslator::InnerTranslator
|
|
{
|
|
public:
|
|
InnerTranslatorImpl(const ShapeT<2>& shape, const Atlas::Message::MapType& data);
|
|
virtual ~InnerTranslatorImpl() = default;
|
|
|
|
virtual Mercator::TerrainMod* createInstance(const WFMath::Point<3>& pos, const WFMath::Quaternion& orientation);
|
|
|
|
const ShapeT<2> mShape;
|
|
};
|
|
|
|
/**
|
|
* @brief Translator for Mercator::SlopeTerrainMod, since it has a different constructor than other mods.
|
|
*/
|
|
template<template<int> class ShapeT>
|
|
class InnerTranslatorSlope: public TerrainModTranslator::InnerTranslator
|
|
{
|
|
public:
|
|
InnerTranslatorSlope(const ShapeT<2>& shape, const Atlas::Message::MapType& data, float dx, float dy);
|
|
virtual ~InnerTranslatorSlope() = default;
|
|
|
|
virtual Mercator::TerrainMod* createInstance(const WFMath::Point<3>& pos, const WFMath::Quaternion& orientation);
|
|
|
|
const ShapeT<2> mShape;
|
|
float mDx;
|
|
float mDy;
|
|
};
|
|
|
|
template<template<template<int> class ShapeT> class ModT, template<int> class ShapeT>
|
|
InnerTranslatorImpl<ModT, ShapeT>::InnerTranslatorImpl(const ShapeT<2>& shape, const Atlas::Message::MapType& data) :
|
|
InnerTranslator(data), mShape(shape)
|
|
{
|
|
}
|
|
|
|
template<template<int> class ShapeT>
|
|
InnerTranslatorSlope<ShapeT>::InnerTranslatorSlope(const ShapeT<2>& shape, const Atlas::Message::MapType& data, float dx, float dy) :
|
|
InnerTranslator(data), mShape(shape), mDx(dx), mDy(dy)
|
|
{
|
|
}
|
|
|
|
template<template<template<int> class ShapeT> class ModT, template<int> class ShapeT>
|
|
Mercator::TerrainMod* InnerTranslatorImpl<ModT, ShapeT>::createInstance(const WFMath::Point<3>& pos, const WFMath::Quaternion& orientation)
|
|
{
|
|
ShapeT<2> shape = this->mShape;
|
|
|
|
if (!shape.isValid() || !pos.isValid()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (orientation.isValid()) {
|
|
/// rotation about Y axis
|
|
WFMath::Vector<3> xVec = WFMath::Vector<3>(1.0, 0.0, 0.0).rotate(orientation);
|
|
WFMath::CoordType theta = std::atan2(xVec.z(), xVec.x());
|
|
WFMath::RotMatrix<2> rm;
|
|
shape.rotatePoint(rm.rotation(theta), WFMath::Point<2>(0, 0));
|
|
}
|
|
|
|
shape.shift(WFMath::Vector<2>(pos.x(), pos.z()));
|
|
float level = TerrainModTranslator::parsePosition(pos, this->mData);
|
|
return new ModT<ShapeT>(level, shape);
|
|
}
|
|
|
|
template<template<int> class ShapeT>
|
|
Mercator::TerrainMod* InnerTranslatorSlope<ShapeT>::createInstance(const WFMath::Point<3>& pos, const WFMath::Quaternion& orientation)
|
|
{
|
|
ShapeT<2> shape = this->mShape;
|
|
|
|
if (!shape.isValid() || !pos.isValid() || !orientation.isValid()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (orientation.isValid()) {
|
|
/// rotation about Y axis
|
|
WFMath::Vector<3> xVec = WFMath::Vector<3>(1.0, 0.0, 0.0).rotate(orientation);
|
|
WFMath::CoordType theta = std::atan2(xVec.z(), xVec.x());
|
|
WFMath::RotMatrix<2> rm;
|
|
shape.rotatePoint(rm.rotation(theta), WFMath::Point<2>(0, 0));
|
|
}
|
|
|
|
shape.shift(WFMath::Vector<2>(pos.x(), pos.z()));
|
|
float level = TerrainModTranslator::parsePosition(pos, this->mData);
|
|
return new Mercator::SlopeTerrainMod<ShapeT>(level, mDx, mDy, shape);
|
|
}
|
|
|
|
TerrainModTranslator::InnerTranslator::InnerTranslator(const Atlas::Message::MapType& data) :
|
|
mData(data)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* @brief Parses the changes to the position of the mod
|
|
* If no height data is given the supplied height will
|
|
* be used. If however a "height" value is set, that will be used instead.
|
|
* If no "height" value is set, but a "heightoffset" is present, that value
|
|
* will be added to the supplied height.
|
|
* @param pos Position of the mod, without any adjustments.
|
|
* @param modElement Atlas data describing the mod
|
|
* @return The adjusted height of the mod
|
|
*/
|
|
float TerrainModTranslator::parsePosition(const WFMath::Point<3> & pos, const MapType& modElement)
|
|
{
|
|
///If the height is specified use that, else check for a height offset. If none is found, use the default height of the entity position
|
|
MapType::const_iterator I = modElement.find("height");
|
|
if (I != modElement.end()) {
|
|
const Element& modHeightElem = I->second;
|
|
if (modHeightElem.isNum()) {
|
|
return modHeightElem.asNum();
|
|
}
|
|
} else {
|
|
I = modElement.find("heightoffset");
|
|
if (I != modElement.end()) {
|
|
const Element& modHeightElem = I->second;
|
|
if (modHeightElem.isNum()) {
|
|
float heightoffset = modHeightElem.asNum();
|
|
return pos.y() + heightoffset;
|
|
}
|
|
}
|
|
}
|
|
return pos.y();
|
|
}
|
|
|
|
/**
|
|
* @brief Ctor.
|
|
*/
|
|
TerrainModTranslator::TerrainModTranslator(const Atlas::Message::MapType& data) :
|
|
mInnerTranslator(nullptr)
|
|
{
|
|
|
|
MapType::const_iterator I = data.find("type");
|
|
if (I == data.end() || !I->second.isString()) {
|
|
return;
|
|
}
|
|
const std::string& modType = I->second.String();
|
|
|
|
I = data.find("shape");
|
|
if (I == data.end() || !I->second.isMap()) {
|
|
return;
|
|
}
|
|
const MapType& shapeMap = I->second.Map();
|
|
|
|
// Get shape's type
|
|
I = shapeMap.find("type");
|
|
if (I == shapeMap.end() || !I->second.isString()) {
|
|
return;
|
|
}
|
|
const std::string& shapeType = I->second.String();
|
|
if (shapeType == "ball") {
|
|
WFMath::Ball<2> shape;
|
|
mInnerTranslator.reset(buildTranslator(data, modType, shape, shapeMap));
|
|
} else if (shapeType == "rotbox") {
|
|
WFMath::RotBox<2> shape;
|
|
mInnerTranslator.reset(buildTranslator(data, modType, shape, shapeMap));
|
|
} else if (shapeType == "polygon") {
|
|
WFMath::Polygon<2> shape;
|
|
mInnerTranslator.reset(buildTranslator(data, modType, shape, shapeMap));
|
|
}
|
|
}
|
|
|
|
void TerrainModTranslator::reset()
|
|
{
|
|
mInnerTranslator.reset();
|
|
}
|
|
|
|
template<template<int> class Shape>
|
|
TerrainModTranslator::InnerTranslator* TerrainModTranslator::buildTranslator(const Atlas::Message::MapType& modElement, const std::string & typeName, Shape<2> & shape, const Atlas::Message::Element & shapeElement)
|
|
{
|
|
try {
|
|
shape.fromAtlas(shapeElement);
|
|
} catch (...) {
|
|
///Just log an error and return false, this isn't fatal.
|
|
log(WARNING, "Error when parsing shape from atlas.");
|
|
return nullptr;
|
|
}
|
|
|
|
if (!shape.isValid()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (typeName == "slopemod") {
|
|
|
|
MapType::const_iterator I = modElement.find("slopes");
|
|
if (I == modElement.end()) {
|
|
log(WARNING, "SlopeTerrainMod defined without slopes");
|
|
return nullptr;
|
|
}
|
|
const Element& modSlopeElem = I->second;
|
|
if (!modSlopeElem.isList()) {
|
|
log(WARNING, "SlopeTerrainMod defined with malformed slopes");
|
|
return nullptr;
|
|
}
|
|
const ListType & slopes = modSlopeElem.asList();
|
|
if (slopes.size() < 2 || !slopes[0].isNum() || !slopes[1].isNum()) {
|
|
log(WARNING, "SlopeTerrainMod defined without slopes");
|
|
return nullptr;
|
|
}
|
|
const float dx = slopes[0].asNum();
|
|
const float dy = slopes[1].asNum();
|
|
|
|
return new InnerTranslatorSlope<Shape>(shape, modElement, dx, dy);
|
|
// return createInstance<Mercator::SlopeTerrainMod>(shape, pos, modElement, 0, 0);
|
|
} else if (typeName == "levelmod") {
|
|
return new InnerTranslatorImpl<Mercator::LevelTerrainMod, Shape>(shape, modElement);
|
|
} else if (typeName == "adjustmod") {
|
|
return new InnerTranslatorImpl<Mercator::AdjustTerrainMod, Shape>(shape, modElement);
|
|
} else if (typeName == "cratermod") {
|
|
return new InnerTranslatorImpl<Mercator::CraterTerrainMod, Shape>(shape, modElement);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
/**
|
|
* @brief Parse the Atlas data and create the terrain mod instance with it
|
|
* @param pos Position of the mod
|
|
* @param orientation Orientation of the mod
|
|
* @param modElement Atlas data describing the mod
|
|
* @return true if translation succeeds
|
|
*/
|
|
Mercator::TerrainMod* TerrainModTranslator::parseData(const WFMath::Point<3> & pos, const WFMath::Quaternion & orientation)
|
|
{
|
|
if (mInnerTranslator) {
|
|
return mInnerTranslator->createInstance(pos, orientation);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool TerrainModTranslator::isValid() const
|
|
{
|
|
return (bool)mInnerTranslator;
|
|
}
|
|
|
|
|