source: xplra/src/client/c/hu/varadiistvan/xplra/MultiSetter.cc@ 21:3f824500be71

Last change on this file since 21:3f824500be71 was 21:3f824500be71, checked in by István Váradi <ivaradi@…>, 11 years ago

Implemented the multi-dataref setter object

File size: 5.3 KB
Line 
1// Copyright (c) 2013 by István Váradi
2
3// This file is part of XPLRA, a remote-access plugin for X-Plane
4
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7
8// 1. Redistributions of source code must retain the above copyright notice, this
9// list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11// this list of conditions and the following disclaimer in the documentation
12// and/or other materials provided with the distribution.
13
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25// The views and conclusions contained in the software and documentation are those
26// of the authors and should not be interpreted as representing official policies,
27// either expressed or implied, of the FreeBSD Project.
28
29//------------------------------------------------------------------------------
30
31#include "MultiSetter.h"
32
33#include "XPlane.h"
34
35#include <xplra/Protocol.h>
36
37#include <hu/varadiistvan/scpl/io/DataStream.h>
38
39//------------------------------------------------------------------------------
40
41using hu::varadiistvan::xplra::MultiSetter;
42
43using xplra::Protocol;
44
45using std::vector;
46using std::min;
47
48//------------------------------------------------------------------------------
49//------------------------------------------------------------------------------
50
51inline void MultiSetter::write(const DataRef& dataRef) const throw(Exception)
52{
53 switch (dataRef.type) {
54 case Protocol::TYPE_INT:
55 xplane.stream->writeS32(*reinterpret_cast<const int32_t*>
56 (data + dataRef.dataOffset));
57 break;
58 case Protocol::TYPE_FLOAT:
59 xplane.stream->writeFloat(*reinterpret_cast<const float*>
60 (data + dataRef.dataOffset));
61 break;
62 case Protocol::TYPE_DOUBLE:
63 xplane.stream->writeDouble(*reinterpret_cast<const double*>
64 (data + dataRef.dataOffset));
65 break;
66 case Protocol::TYPE_FLOAT_ARRAY:
67 case Protocol::TYPE_INT_ARRAY:
68 case Protocol::TYPE_BYTE_ARRAY:
69 {
70 size_t elementSize =
71 (dataRef.type==Protocol::TYPE_FLOAT_ARRAY) ? sizeof(float) :
72 ((dataRef.type==Protocol::TYPE_INT_ARRAY) ?
73 sizeof(int32_t) : sizeof(uint8_t));
74 xplane.stream->write(data + dataRef.dataOffset,
75 dataRef.length * elementSize);
76 }
77 }
78}
79
80//------------------------------------------------------------------------------
81
82uint8_t MultiSetter::doRegister() throw(Exception)
83{
84 // FIXME: only the commands differ from those of MultiGetter
85 xplane.stream->writeU8(Protocol::COMMAND_REGISTER_SET_MULTI);
86 xplane.stream->writeU32(dataRefs.size());
87
88 for(vector<DataRef>::const_iterator i = dataRefs.begin();
89 i!=dataRefs.end(); ++i)
90 {
91 const DataRef& dataRef = *i;
92 xplane.stream->writeString(dataRef.name);
93 xplane.stream->writeU8(dataRef.type);
94 if (dataRef.isArray()) {
95 xplane.stream->writeS32(dataRef.length);
96 xplane.stream->writeS32(dataRef.offset);
97 }
98 }
99
100 return Protocol::COMMAND_UNREGISTER_SET_MULTI;
101}
102
103//------------------------------------------------------------------------------
104
105void MultiSetter::doExecute() throw(Exception)
106{
107 xplane.checkStream();
108 xplane.stream->writeU8(Protocol::COMMAND_EXECUTE_SET_MULTI);
109 xplane.stream->writeU32(registeredID);
110 for(vector<DataRef>::const_iterator i = dataRefs.begin();
111 i!=dataRefs.end(); ++i)
112 {
113 const DataRef& dataRef = *i;
114 write(dataRef);
115 }
116 xplane.stream->flush();
117 xplane.checkResult();
118}
119
120//------------------------------------------------------------------------------
121
122void MultiSetter::doExecuteUnregistered() throw(Exception)
123{
124 for(vector<DataRef>::const_iterator i = dataRefs.begin();
125 i!=dataRefs.end(); ++i)
126 {
127 const DataRef& dataRef = *i;
128 xplane.stream->writeU8(Protocol::COMMAND_SET_SINGLE);
129 xplane.stream->writeString(dataRef.name);
130 xplane.stream->writeU8(dataRef.type);
131 if (dataRef.isArray()) {
132 xplane.stream->writeS32(dataRef.length);
133 xplane.stream->writeS32(dataRef.offset);
134 }
135 write(dataRef);
136 xplane.stream->flush();
137 xplane.checkResult();
138 }
139}
140
141//------------------------------------------------------------------------------
142
143// Local Variables:
144// mode: C++
145// c-basic-offset: 4
146// indent-tabs-mode: nil
147// End:
Note: See TracBrowser for help on using the repository browser.