Files
@ r9583:b6e25a00b908
Branch filter:
Location: cpp/openttd-patchpack/source/src/cmd_helper.h - annotation
r9583:b6e25a00b908
801 B
text/x-c
(svn r13621) -Fix: building roadbits in the wrong direction on bridges or building roadbits from underneath the bridge to the bridgehead is impossible, so don't silently ignore that error when building over houses and industries is not ignored.
r6134:aa2aee9f9144 r6134:aa2aee9f9144 r9111:983de9c5a848 r9111:983de9c5a848 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r8100:d1eb5523ede7 r8102:c3f2dd9e9116 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r6134:aa2aee9f9144 r8128:cb6a1c656647 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 | /* $Id$ */
/** @file cmd_helper.h Helper functions to extract data from command parameters. */
#ifndef CMD_HELPER_H
#define CMD_HELPER_H
#include "direction_type.h"
#include "road_type.h"
template<uint N> static inline void ExtractValid();
template<> 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
|