summaryrefslogtreecommitdiffstats
path: root/libkdegames/kgame/kgameprocess.cpp
blob: 9dcc66c0daec7b181564b40b1c0a716f29adceb4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
    This file is part of the KDE games library
    Copyright (C) 2001 Martin Heni (martin@heni-online.de)
    Copyright (C) 2001 Andreas Beckermann (b_mann@gmx.de)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
/*
    $Id$
*/

#include "kgameprocess.h"
#include "kplayer.h"
#include "kgame.h"
#include "kgamemessage.h"
#include "kmessageio.h"

#include <krandomsequence.h>

#include <tqbuffer.h>
#include <tqdatastream.h>
#include <tqcstring.h>

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

#define READ_BUFFER_SIZE  1024

// ----------------------- Process Child ---------------------------

KGameProcess::KGameProcess() : TQObject(0,0)
{
  mTerminate=false;
  // Check whether a player is set. If not create one!
  rFile.open(IO_ReadOnly|IO_Raw,stdin);
  wFile.open(IO_WriteOnly|IO_Raw,stdout);
  mMessageIO=new KMessageFilePipe(this,&rFile,&wFile);
//  mMessageClient=new KMessageClient(this);
//  mMessageClient->setServer(mMessageIO);
//  connect (mMessageClient, TQT_SIGNAL(broadcastReceived(const TQByteArray&, TQ_UINT32)),
//          this, TQT_SLOT(receivedMessage(const TQByteArray&, TQ_UINT32)));
  connect (mMessageIO, TQT_SIGNAL(received(const TQByteArray&)),
          this, TQT_SLOT(receivedMessage(const TQByteArray&)));
  fprintf(stderr,"KGameProcess::constructor %p %p\n",&rFile,&wFile);
 
  mRandom = new KRandomSequence;
  mRandom->setSeed(0);
}
KGameProcess::~KGameProcess() 
{
  delete mRandom;
  //delete mMessageClient;
  //delete mMessageServer;
  delete mMessageIO;
  rFile.close();
  wFile.close();
  fprintf(stderr,"KGameProcess::destructor\n");
}


bool KGameProcess::exec(int argc, char *argv[])
{
  // Get id and cookie, ... from command line
  processArgs(argc,argv);
  do
  {
    mMessageIO->exec();
  }  while(!mTerminate);
  return true;
}

//    You have to do this to create a message 
//    TQByteArray buffer;
//    TQDataStream wstream(buffer,IO_WriteOnly);
//    then stream data into the stream and call this function
void KGameProcess::sendSystemMessage(TQDataStream &stream,int msgid,TQ_UINT32 receiver)
{
  fprintf(stderr,"KGameProcess::sendMessage id=%d recv=%d",msgid,receiver);
  TQByteArray a;
  TQDataStream outstream(a,IO_WriteOnly);

  TQBuffer *device=(TQBuffer *)stream.device();
  TQByteArray data=device->buffer();;

  KGameMessage::createHeader(outstream,0,receiver,msgid);
  outstream.writeRawBytes(data.data(),data.size());

  //if (mMessageClient) mMessageClient->sendBroadcast(a);
  // TODO: The fixed received 2 will cause problems. But how to address the
  // proper one?
//  if (mMessageClient) mMessageClient->sendForward(a,2);
  if (mMessageIO) mMessageIO->send(a);
}

void KGameProcess::sendMessage(TQDataStream &stream,int msgid,TQ_UINT32 receiver)
{
  sendSystemMessage(stream,msgid+KGameMessage::IdUser,receiver);
}

void KGameProcess::processArgs(int argc, char *argv[])
{
  int v=0;
  if (argc>2)
  {
    v=atoi(argv[2]);
    //kdDebug(11001) << "cookie (unused) " << v << endl;
  }
  if (argc>1)
  {
    v=atoi(argv[1]);
    //kdDebug(11001) << "id (unused) " << v << endl;
  }
  fprintf(stderr,"processArgs \n");
  fflush(stderr);
}

void KGameProcess::receivedMessage(const TQByteArray& receiveBuffer)
{
 TQDataStream stream(receiveBuffer, IO_ReadOnly);
 int msgid;
 TQ_UINT32 sender; 
 TQ_UINT32 receiver; 
 KGameMessage::extractHeader(stream, sender, receiver, msgid);
 fprintf(stderr,"------ receiveNetworkTransmission(): id=%d sender=%d,recv=%d\n",msgid,sender,receiver);
 switch(msgid)
 {
   case KGameMessage::IdTurn:
     TQ_INT8 b;
     stream >> b;
     emit signalTurn(stream,(bool)b);
   break;
   case KGameMessage::IdIOAdded:
     TQ_INT16 id;
     stream >> id;
     emit signalInit(stream,(int)id);
   break;
   default:
      emit signalCommand(stream,msgid-KGameMessage::IdUser,receiver,sender);
   break;
 }
}

#include "kgameprocess.moc"