5fcc021293
git-svn-id: https://clonekeenplus.svn.sourceforge.net/svnroot/clonekeenplus/cgenius/trunk@87 4df4b0f3-56ce-47cb-b001-ed939b7d65a6
67 lines
1.2 KiB
C++
67 lines
1.2 KiB
C++
/*
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OpenLieroX
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various utilities
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code under LGPL
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created 01-05-2007
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by Albert Zeyer and Dark Charlie
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*/
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#ifndef __UTILS_H__
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#define __UTILS_H__
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#include <stddef.h> // for size_t
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#include <vector>
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#include <list>
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#include <cassert>
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#include "MathLib.h"
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template <typename _dst, typename _src>
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bool isSameType(const _src& obj1, const _dst& obj2) {
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if(sizeof(_dst) < sizeof(_src)) return isSameType(obj2, obj1);
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return dynamic_cast<const _dst*>(&obj1) != NULL;
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}
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/*
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some very basic math functions
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*/
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template <class Iter> void SafeAdvance(Iter& it, size_t count, const Iter& end) {
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for (size_t i=0; i < count && it != end; i++, it++) {}
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}
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template <typename T>
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T& randomChoiceFrom(std::vector<T>& data) {
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assert(data.size() > 0);
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size_t i = (size_t)GetRandomInt(data.size() - 1);
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return data[i];
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}
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template <typename T>
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int highestBit(T d) {
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for(int i = sizeof(T) * 8 - 1; i >= 0; --i)
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if((1 << i) <= d) return i + 1;
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return 0;
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}
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class DontCopyTag {
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public:
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DontCopyTag() {}
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private:
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DontCopyTag(const DontCopyTag&) { assert(false); }
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DontCopyTag& operator=(const DontCopyTag&) { assert(false); }
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};
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template<typename T>
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std::vector<T> ListAsVector(const std::list<T>& l) {
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return std::vector<T>(l.begin(), l.end());
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}
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#endif
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