comparison: objwriter.h
objwriter.h
- changeset 29
- b4e09ae24bf1
- parent 27
- 15c06a191f9b
- child 32
- d11a034aabfd
equal
deleted
inserted
replaced
| 28:fb46d3d40064 | 29:b4e09ae24bf1 |
|---|---|
| 107 for (unsigned int x = 0; x < sizeof (T); x++) { | 107 for (unsigned int x = 0; x < sizeof (T); x++) { |
| 108 buffer[writepos] = CharByte<T> (stuff, x); | 108 buffer[writepos] = CharByte<T> (stuff, x); |
| 109 writepos++; | 109 writepos++; |
| 110 } | 110 } |
| 111 } | 111 } |
| 112 | 112 |
| 113 template<class T> T Read() { | 113 template<class T> T Read() { |
| 114 T result = buffer[readpos]; | 114 T result = buffer[readpos]; |
| 115 readpos += sizeof (T); | 115 readpos += sizeof (T); |
| 116 return result; | 116 return result; |
| 117 } | |
| 118 | |
| 119 private: | |
| 120 template <class T> unsigned char CharByte (T a, unsigned int b) { | |
| 121 if (b >= sizeof (T)) | |
| 122 error ("CharByte: tried to get byte %u out of a %u-byte %s\n", | |
| 123 b, sizeof (T), typeid(T).name()); | |
| 124 | |
| 125 unsigned long p1 = pow<unsigned long> (256, b); | |
| 126 unsigned long p2 = pow<unsigned long> (256, b+1); | |
| 127 unsigned long r = (a % p2) / p1; | |
| 128 | |
| 129 if (r > 256) | |
| 130 error ("result %lu too big!", r); | |
| 131 | |
| 132 unsigned char ur = static_cast<unsigned char> (r); | |
| 133 return ur; | |
| 117 } | 134 } |
| 118 }; | 135 }; |
| 119 | 136 |
| 120 class ObjWriter { | 137 class ObjWriter { |
| 121 public: | 138 public: |
