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Location: cpp/openttd-patchpack/source/src/cmd_helper.h - annotation
r7004:3ed6d961f243
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text/x-c
(svn r10260) -Update: WebTranslator2 update to 2007-06-21 19:36:07
piglatin - 12 fixed by adammw (12)
piglatin - 12 fixed by adammw (12)
r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 | /* $Id$ */
#ifndef CMD_HELPER_H
#define CMD_HELPER_H
#include "direction.h"
#include "macros.h"
#include "road.h"
template<uint N> static inline void ExtractValid();
template<> static inline void ExtractValid<1>() {}
template<typename T> struct ExtractBits;
template<> struct ExtractBits<Axis> { static const uint Count = 1; };
template<> struct ExtractBits<DiagDirection> { static const uint Count = 2; };
template<> struct ExtractBits<RoadBits> { static const uint Count = 4; };
template<typename T, uint N, typename U> static inline T Extract(U v)
{
// Check if there are enough bits in v
ExtractValid<N + ExtractBits<T>::Count <= sizeof(U) * 8>();
return (T)GB(v, N, ExtractBits<T>::Count);
}
#endif
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