54c4055af3
Implementation of animated effect values via the property system. Add names for TexEnvCombine attributes
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
#ifndef SIMGEAR_EXTENDEDPROPERTYADAPTER_HXX
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#define SIMGEAR_EXTENDEDPROPERTYADAPTER_HXX 1
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#include <algorithm>
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#include <boost/bind.hpp>
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#include <simgear/math/SGMath.hxx>
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#include <simgear/structure/exception.hxx>
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#include "props.hxx"
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namespace simgear
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{
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namespace props
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{
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// This should be in simgear/math/SGVec.hxx and friends
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template<typename T> struct NumComponents;
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template<> struct NumComponents<SGVec3d>
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{
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enum { num_components = 3 };
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};
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template<> struct NumComponents<SGVec4d>
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{
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enum { num_components = 4 };
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};
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}
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template<typename T, typename NodeContainer>
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class ExtendedPropertyAdapter
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{
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public:
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enum { num_components = props::NumComponents<T>::num_components };
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ExtendedPropertyAdapter(const NodeContainer& elements)
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: _elements(elements)
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{
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}
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T operator()() const
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{
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T result;
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if (_elements.size() < num_components)
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throw sg_exception();
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for (int i = 0; i < num_components; ++i)
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result[i] = _elements[i]->getValue<double>();
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return result;
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}
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void set(const T& val)
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{
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if (_elements.size() < num_components)
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throw sg_exception();
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for (int i = 0; i < num_components; ++i)
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_elements[i]->setValue(val[i]);
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}
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private:
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const NodeContainer& _elements;
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};
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template<typename InIterator, typename OutIterator>
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inline void makeChildList(SGPropertyNode* prop, InIterator inBegin,
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InIterator inEnd, OutIterator outBegin)
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{
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std::transform(inBegin, inEnd, outBegin,
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boost::bind(static_cast<SGPropertyNode* (SGPropertyNode::*)(const char*, int, bool)>(&SGPropertyNode::getChild), prop, _1, 0, true));
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}
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}
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#endif
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