3 Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef UTIL_SERIALIZE_HEADER
21 #define UTIL_SERIALIZE_HEADER
23 #include "../irrlichttypes.h"
26 #include "../exceptions.h"
29 inline void writeU64(u8 *data, u64 i)
31 data[0] = ((i>>56)&0xff);
32 data[1] = ((i>>48)&0xff);
33 data[2] = ((i>>40)&0xff);
34 data[3] = ((i>>32)&0xff);
35 data[4] = ((i>>24)&0xff);
36 data[5] = ((i>>16)&0xff);
37 data[6] = ((i>> 8)&0xff);
38 data[7] = ((i>> 0)&0xff);
41 inline void writeU32(u8 *data, u32 i)
43 data[0] = ((i>>24)&0xff);
44 data[1] = ((i>>16)&0xff);
45 data[2] = ((i>> 8)&0xff);
46 data[3] = ((i>> 0)&0xff);
49 inline void writeU16(u8 *data, u16 i)
51 data[0] = ((i>> 8)&0xff);
52 data[1] = ((i>> 0)&0xff);
55 inline void writeU8(u8 *data, u8 i)
57 data[0] = ((i>> 0)&0xff);
60 inline u64 readU64(u8 *data)
62 return ((u64)data[0]<<56) | ((u64)data[1]<<48)
63 | ((u64)data[2]<<40) | ((u64)data[3]<<32)
64 | ((u64)data[4]<<24) | ((u64)data[5]<<16)
65 | ((u64)data[6]<<8) | ((u64)data[7]<<0);
68 inline u32 readU32(u8 *data)
70 return (data[0]<<24) | (data[1]<<16) | (data[2]<<8) | (data[3]<<0);
73 inline u16 readU16(u8 *data)
75 return (data[0]<<8) | (data[1]<<0);
78 inline u8 readU8(u8 *data)
83 inline void writeS32(u8 *data, s32 i){
84 writeU32(data, (u32)i);
86 inline s32 readS32(u8 *data){
87 return (s32)readU32(data);
90 inline void writeS16(u8 *data, s16 i){
91 writeU16(data, (u16)i);
93 inline s16 readS16(u8 *data){
94 return (s16)readU16(data);
97 inline void writeS8(u8 *data, s8 i){
100 inline s8 readS8(u8 *data){
101 return (s8)readU8(data);
104 inline void writeF1000(u8 *data, f32 i){
105 writeS32(data, i*1000);
107 inline f32 readF1000(u8 *data){
108 return (f32)readS32(data)/1000.;
111 inline void writeV3S32(u8 *data, v3s32 p)
113 writeS32(&data[0], p.X);
114 writeS32(&data[4], p.Y);
115 writeS32(&data[8], p.Z);
117 inline v3s32 readV3S32(u8 *data)
120 p.X = readS32(&data[0]);
121 p.Y = readS32(&data[4]);
122 p.Z = readS32(&data[8]);
126 inline void writeV3F1000(u8 *data, v3f p)
128 writeF1000(&data[0], p.X);
129 writeF1000(&data[4], p.Y);
130 writeF1000(&data[8], p.Z);
132 inline v3f readV3F1000(u8 *data)
135 p.X = (float)readF1000(&data[0]);
136 p.Y = (float)readF1000(&data[4]);
137 p.Z = (float)readF1000(&data[8]);
141 inline void writeV2F1000(u8 *data, v2f p)
143 writeF1000(&data[0], p.X);
144 writeF1000(&data[4], p.Y);
146 inline v2f readV2F1000(u8 *data)
149 p.X = (float)readF1000(&data[0]);
150 p.Y = (float)readF1000(&data[4]);
154 inline void writeV2S16(u8 *data, v2s16 p)
156 writeS16(&data[0], p.X);
157 writeS16(&data[2], p.Y);
160 inline v2s16 readV2S16(u8 *data)
163 p.X = readS16(&data[0]);
164 p.Y = readS16(&data[2]);
168 inline void writeV2S32(u8 *data, v2s32 p)
170 writeS32(&data[0], p.X);
171 writeS32(&data[2], p.Y);
174 inline v2s32 readV2S32(u8 *data)
177 p.X = readS32(&data[0]);
178 p.Y = readS32(&data[2]);
182 inline void writeV3S16(u8 *data, v3s16 p)
184 writeS16(&data[0], p.X);
185 writeS16(&data[2], p.Y);
186 writeS16(&data[4], p.Z);
189 inline v3s16 readV3S16(u8 *data)
192 p.X = readS16(&data[0]);
193 p.Y = readS16(&data[2]);
194 p.Z = readS16(&data[4]);
199 The above stuff directly interfaced to iostream
202 inline void writeU8(std::ostream &os, u8 p)
205 writeU8((u8*)buf, p);
208 inline u8 readU8(std::istream &is)
212 return readU8((u8*)buf);
215 inline void writeU16(std::ostream &os, u16 p)
218 writeU16((u8*)buf, p);
221 inline u16 readU16(std::istream &is)
225 return readU16((u8*)buf);
228 inline void writeU32(std::ostream &os, u32 p)
231 writeU32((u8*)buf, p);
234 inline u32 readU32(std::istream &is)
238 return readU32((u8*)buf);
241 inline void writeS32(std::ostream &os, s32 p)
244 writeS32((u8*)buf, p);
247 inline s32 readS32(std::istream &is)
251 return readS32((u8*)buf);
254 inline void writeS16(std::ostream &os, s16 p)
257 writeS16((u8*)buf, p);
260 inline s16 readS16(std::istream &is)
264 return readS16((u8*)buf);
267 inline void writeS8(std::ostream &os, s8 p)
270 writeS8((u8*)buf, p);
273 inline s8 readS8(std::istream &is)
277 return readS8((u8*)buf);
280 inline void writeF1000(std::ostream &os, f32 p)
283 writeF1000((u8*)buf, p);
286 inline f32 readF1000(std::istream &is)
290 return readF1000((u8*)buf);
293 inline void writeV3F1000(std::ostream &os, v3f p)
296 writeV3F1000((u8*)buf, p);
299 inline v3f readV3F1000(std::istream &is)
303 return readV3F1000((u8*)buf);
306 inline void writeV2F1000(std::ostream &os, v2f p)
309 writeV2F1000((u8*)buf, p);
312 inline v2f readV2F1000(std::istream &is)
316 return readV2F1000((u8*)buf);
319 inline void writeV2S16(std::ostream &os, v2s16 p)
322 writeV2S16((u8*)buf, p);
325 inline v2s16 readV2S16(std::istream &is)
329 return readV2S16((u8*)buf);
332 inline void writeV3S16(std::ostream &os, v3s16 p)
335 writeV3S16((u8*)buf, p);
338 inline v3s16 readV3S16(std::istream &is)
342 return readV3S16((u8*)buf);
346 More serialization stuff
349 // Creates a string with the length as the first two bytes
350 inline std::string serializeString(const std::string &plain)
352 //assert(plain.size() <= 65535);
353 if(plain.size() > 65535)
354 throw SerializationError("String too long for serializeString");
356 writeU16((u8*)&buf[0], plain.size());
363 // Creates a string with the length as the first two bytes from wide string
364 inline std::string serializeWideString(const std::wstring &plain)
366 //assert(plain.size() <= 65535);
367 if(plain.size() > 65535)
368 throw SerializationError("String too long for serializeString");
370 writeU16((u8*)buf, plain.size());
373 for(u32 i=0; i<plain.size(); i++)
375 writeU16((u8*)buf, plain[i]);
381 // Reads a string with the length as the first two bytes
382 inline std::string deSerializeString(std::istream &is)
387 throw SerializationError("deSerializeString: size not read");
388 u16 s_size = readU16((u8*)buf);
391 Buffer<char> buf2(s_size);
392 is.read(&buf2[0], s_size);
395 s.append(&buf2[0], s_size);
399 // Reads a wide string with the length as the first two bytes
400 inline std::wstring deSerializeWideString(std::istream &is)
405 throw SerializationError("deSerializeString: size not read");
406 u16 s_size = readU16((u8*)buf);
411 for(u32 i=0; i<s_size; i++)
414 wchar_t c16 = readU16((u8*)buf);
420 // Creates a string with the length as the first four bytes
421 inline std::string serializeLongString(const std::string &plain)
424 writeU32((u8*)&buf[0], plain.size());
431 // Reads a string with the length as the first four bytes
432 inline std::string deSerializeLongString(std::istream &is)
437 throw SerializationError("deSerializeLongString: size not read");
438 u32 s_size = readU32((u8*)buf);
441 Buffer<char> buf2(s_size);
442 is.read(&buf2[0], s_size);
445 s.append(&buf2[0], s_size);
449 // Creates a string encoded in JSON format (almost equivalent to a C string literal)
450 std::string serializeJsonString(const std::string &plain);
452 // Reads a string encoded in JSON format
453 std::string deSerializeJsonString(std::istream &is);