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5131 | clevermous | 1 | /* |
2 | Copyright (C) 1996-1997 Id Software, Inc. |
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3 | |||
4 | This program is free software; you can redistribute it and/or |
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5 | modify it under the terms of the GNU General Public License |
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6 | as published by the Free Software Foundation; either version 2 |
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7 | of the License, or (at your option) any later version. |
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8 | |||
9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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12 | |||
13 | See the GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | |||
19 | */ |
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20 | // net_vcr.c |
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21 | |||
22 | #include "quakedef.h" |
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23 | #include "net_vcr.h" |
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24 | |||
25 | extern int vcrFile; |
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26 | |||
27 | // This is the playback portion of the VCR. It reads the file produced |
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28 | // by the recorder and plays it back to the host. The recording contains |
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29 | // everything necessary (events, timestamps, and data) to duplicate the game |
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30 | // from the viewpoint of everything above the network layer. |
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31 | |||
32 | static struct |
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33 | { |
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34 | double time; |
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35 | int op; |
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36 | long session; |
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37 | } next; |
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38 | |||
39 | int VCR_Init (void) |
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40 | { |
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41 | net_drivers[0].Init = VCR_Init; |
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42 | |||
43 | net_drivers[0].SearchForHosts = VCR_SearchForHosts; |
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44 | net_drivers[0].Connect = VCR_Connect; |
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45 | net_drivers[0].CheckNewConnections = VCR_CheckNewConnections; |
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46 | net_drivers[0].QGetMessage = VCR_GetMessage; |
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47 | net_drivers[0].QSendMessage = VCR_SendMessage; |
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48 | net_drivers[0].CanSendMessage = VCR_CanSendMessage; |
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49 | net_drivers[0].Close = VCR_Close; |
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50 | net_drivers[0].Shutdown = VCR_Shutdown; |
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51 | |||
52 | Sys_FileRead(vcrFile, &next, sizeof(next)); |
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53 | return 0; |
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54 | } |
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55 | |||
56 | void VCR_ReadNext (void) |
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57 | { |
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58 | if (Sys_FileRead(vcrFile, &next, sizeof(next)) == 0) |
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59 | { |
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60 | next.op = 255; |
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61 | Sys_Error ("=== END OF PLAYBACK===\n"); |
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62 | } |
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63 | if (next.op < 1 || next.op > VCR_MAX_MESSAGE) |
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64 | Sys_Error ("VCR_ReadNext: bad op"); |
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65 | } |
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66 | |||
67 | |||
68 | void VCR_Listen (qboolean state) |
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69 | { |
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70 | } |
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71 | |||
72 | |||
73 | void VCR_Shutdown (void) |
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74 | { |
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75 | } |
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76 | |||
77 | |||
78 | int VCR_GetMessage (qsocket_t *sock) |
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79 | { |
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80 | int ret; |
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81 | |||
82 | if (host_time != next.time || next.op != VCR_OP_GETMESSAGE || next.session != *(long *)(&sock->driverdata)) |
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83 | Sys_Error ("VCR missmatch"); |
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84 | |||
85 | Sys_FileRead(vcrFile, &ret, sizeof(int)); |
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86 | if (ret != 1) |
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87 | { |
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88 | VCR_ReadNext (); |
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89 | return ret; |
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90 | } |
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91 | |||
92 | Sys_FileRead(vcrFile, &net_message.cursize, sizeof(int)); |
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93 | Sys_FileRead(vcrFile, net_message.data, net_message.cursize); |
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94 | |||
95 | VCR_ReadNext (); |
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96 | |||
97 | return 1; |
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98 | } |
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99 | |||
100 | |||
101 | int VCR_SendMessage (qsocket_t *sock, sizebuf_t *data) |
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102 | { |
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103 | int ret; |
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104 | |||
105 | if (host_time != next.time || next.op != VCR_OP_SENDMESSAGE || next.session != *(long *)(&sock->driverdata)) |
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106 | Sys_Error ("VCR missmatch"); |
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107 | |||
108 | Sys_FileRead(vcrFile, &ret, sizeof(int)); |
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109 | |||
110 | VCR_ReadNext (); |
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111 | |||
112 | return ret; |
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113 | } |
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114 | |||
115 | |||
116 | qboolean VCR_CanSendMessage (qsocket_t *sock) |
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117 | { |
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118 | qboolean ret; |
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119 | |||
120 | if (host_time != next.time || next.op != VCR_OP_CANSENDMESSAGE || next.session != *(long *)(&sock->driverdata)) |
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121 | Sys_Error ("VCR missmatch"); |
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122 | |||
123 | Sys_FileRead(vcrFile, &ret, sizeof(int)); |
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124 | |||
125 | VCR_ReadNext (); |
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126 | |||
127 | return ret; |
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128 | } |
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129 | |||
130 | |||
131 | void VCR_Close (qsocket_t *sock) |
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132 | { |
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133 | } |
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134 | |||
135 | |||
136 | void VCR_SearchForHosts (qboolean xmit) |
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137 | { |
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138 | } |
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139 | |||
140 | |||
141 | qsocket_t *VCR_Connect (char *host) |
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142 | { |
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143 | return NULL; |
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144 | } |
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145 | |||
146 | |||
147 | qsocket_t *VCR_CheckNewConnections (void) |
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148 | { |
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149 | qsocket_t *sock; |
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150 | |||
151 | if (host_time != next.time || next.op != VCR_OP_CONNECT) |
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152 | Sys_Error ("VCR missmatch"); |
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153 | |||
154 | if (!next.session) |
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155 | { |
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156 | VCR_ReadNext (); |
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157 | return NULL; |
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158 | } |
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159 | |||
160 | sock = NET_NewQSocket (); |
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161 | *(long *)(&sock->driverdata) = next.session; |
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162 | |||
163 | Sys_FileRead (vcrFile, sock->address, NET_NAMELEN); |
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164 | VCR_ReadNext (); |
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165 | |||
166 | return sock; |
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167 | }> |