1 | |
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2 | /* |
1 | /* |
3 | CrossFire, A Multiplayer game for the X Window System |
2 | * CrossFire, A Multiplayer game for the X Window System |
4 | |
3 | * |
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4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
6 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
7 | |
7 | * |
8 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
10 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
11 | (at your option) any later version. |
11 | * (at your option) any later version. |
12 | |
12 | * |
13 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | |
17 | * |
18 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | |
21 | * |
22 | The author can be reached via e-mail to crossfire-devel@real-time.com |
22 | * The author can be reached via e-mail to crossfire@schmorp.de |
23 | */ |
23 | */ |
24 | |
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25 | /* |
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26 | newserver.h defines various structures and values that are use for the |
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27 | new client server communication method. Values defined here are only |
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28 | used on the server side code. For shared client/server values, see |
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29 | newclient.h |
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30 | */ |
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31 | |
24 | |
32 | #ifndef CLIENT_H |
25 | #ifndef CLIENT_H |
33 | #define CLIENT_H |
26 | #define CLIENT_H |
34 | |
27 | |
35 | /* Reduce this from 50 to 5 - as it is now, there will never be more |
28 | #include <deque> |
36 | * than 3 anyways. |
29 | #include <bitset> |
37 | */ |
30 | #include <tr1/unordered_set> |
38 | |
31 | |
39 | #define NUM_LOOK_OBJECTS 50 |
32 | // (possibly) max. number of objects "per page" in the ground container |
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33 | #define FLOORBOX_PAGESIZE 50 |
40 | |
34 | |
41 | struct MapCell |
35 | struct MapCell |
42 | { |
36 | { |
43 | UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
37 | UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
44 | int count; /* This is really darkness in the map1 command */ |
38 | int count; /* This is really darkness in the map1 command */ |
45 | uint16 faces[MAP_LAYERS]; |
39 | faceidx faces[MAP_LAYERS]; |
46 | uint16 smooth[MAP_LAYERS]; |
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47 | unsigned char stat_hp; // health of something in this space, or 0 |
40 | unsigned char stat_hp; // health of something in this space, or 0 |
48 | unsigned char flags; |
41 | unsigned char flags; |
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42 | uint8_t smooth[MAP_LAYERS]; |
49 | }; |
43 | }; |
50 | |
44 | |
51 | /* This basically defines the largest size an |
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52 | * archetype may be - it is used for allocation of |
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53 | * some structures, as well as determining how far |
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54 | * we should look for the heads of big images. |
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55 | */ |
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56 | #define MAX_HEAD_OFFSET 8 |
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57 | |
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58 | #define MAX_CLIENT_X (MAP_CLIENT_X + MAX_HEAD_OFFSET) |
45 | #define MAX_CLIENT_X MAP_CLIENT_X |
59 | #define MAX_CLIENT_Y (MAP_CLIENT_Y + MAX_HEAD_OFFSET) |
46 | #define MAX_CLIENT_Y MAP_CLIENT_Y |
60 | |
47 | |
61 | struct Map |
48 | struct Map |
62 | { |
49 | { |
63 | struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; |
50 | struct MapCell cells[MAX_CLIENT_X][MAX_CLIENT_Y]; |
64 | }; |
51 | }; |
65 | |
52 | |
66 | /* True max is 16383 given current map compaction method */ |
53 | /* True max is 16383 given current map compaction method */ |
67 | # define MAXANIMNUM 2000 |
54 | #define MAXANIMNUM 10000 |
68 | |
55 | |
69 | struct statsinfo |
56 | struct statsinfo |
70 | { |
57 | { |
71 | char *range, *title; |
58 | char *range, *title; |
72 | }; |
59 | }; |
… | |
… | |
75 | * current state. we set up our on buffers for sending/receiving, so we can |
62 | * current state. we set up our on buffers for sending/receiving, so we can |
76 | * handle some higher level functions. fd is the actual file descriptor we |
63 | * handle some higher level functions. fd is the actual file descriptor we |
77 | * are using. |
64 | * are using. |
78 | */ |
65 | */ |
79 | |
66 | |
80 | enum Sock_Status { Ns_Add, Ns_Dead }; |
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81 | |
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82 | /* Only one map mode can actually be used, so lets make it a switch |
67 | /* Only one map mode can actually be used, so lets make it a switch |
83 | * instead of having a bunch of different fields that needed to |
68 | * instead of having a bunch of different fields that needed to |
84 | * get toggled. |
69 | * get toggled. |
85 | */ |
70 | */ |
86 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
71 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
87 | |
72 | |
88 | /* The following is the setup for a ring buffer for storing outbut |
73 | /* The following is the setup for a ring buffer for storing output |
89 | * data that the OS can't handle right away. |
74 | * data that the OS can't handle right away. |
90 | */ |
75 | */ |
91 | |
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92 | struct Buffer |
76 | struct Buffer |
93 | { |
77 | { |
94 | char data[SOCKETBUFSIZE]; |
78 | char data[SOCKETBUFSIZE]; |
95 | int start; |
79 | int start; |
96 | int len; |
80 | int len; |
97 | }; |
81 | }; |
98 | |
82 | |
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83 | // states the socket can be in |
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84 | enum { |
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85 | ST_DEAD, // socket is dead |
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86 | ST_SETUP, // initial handshake / setup / login |
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87 | ST_PLAYING, // logged in an playing |
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88 | ST_CUSTOM, // waiting for custom reply |
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89 | |
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90 | ST_CHANGE_CLASS, |
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91 | ST_GET_PARTY_PASSWORD, |
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92 | }; |
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93 | |
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94 | // a handler for a specific type of packet |
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95 | enum { |
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96 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
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97 | PF_PLAYING = 0x02, // must be in playing state |
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98 | PF_COMMAND0 = 0x04, // command starts at offset 0 |
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99 | PF_COMMAND6 = 0x08, // command starts at offset 6 |
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100 | }; |
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101 | |
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102 | struct packet_type |
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103 | { |
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104 | const char *name; |
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105 | void *cb; |
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106 | int flags; |
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107 | }; |
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108 | |
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109 | struct command |
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110 | { |
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111 | tstamp stamp; |
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112 | const packet_type *handler; |
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113 | char *data; |
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114 | int datalen; |
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115 | |
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116 | ~command () |
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117 | { |
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118 | sfree<char> (data, datalen + 1); |
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119 | } |
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120 | }; |
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121 | |
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122 | struct refitem |
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123 | { |
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124 | object_ptr op; |
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125 | }; |
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126 | |
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127 | // this represents a container on the client side. |
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128 | // right now, there are only ever two of them: |
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129 | // the inventory and the floor/open container |
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130 | //TODO: unused as of yet |
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131 | struct client_container : vector< refitem, slice_allocator<refitem> > |
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132 | { |
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133 | client *ns; |
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134 | enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type; |
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135 | |
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136 | bool item_changed; // one of the items in here possibly changed |
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137 | |
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138 | // for mapspace and container |
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139 | int x, y; |
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140 | maptile *map; |
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141 | |
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142 | // for container |
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143 | object *env; |
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144 | |
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145 | client_container (client *ns) |
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146 | : ns (ns), type (CC_NONE) { } |
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147 | |
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148 | tag_t tag () const; |
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149 | |
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150 | inline iterator merge_item (iterator i, object *op); |
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151 | |
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152 | void clear (); |
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153 | void update (); |
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154 | |
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155 | void set_mapspace (maptile *map, int x, int y); |
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156 | void set_container (object *env); |
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157 | }; |
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158 | |
99 | /* how many times we are allowed to give the wrong password before being kicked. */ |
159 | /* how many times we are allowed to give the wrong password before being kicked. */ |
100 | #define MAX_PASSWORD_FAILURES 5 |
160 | #define MAX_PASSWORD_FAILURES 5 |
101 | |
161 | |
102 | ACC_CLASS (client) // should become player when newsocket is a baseclass of player |
162 | INTERFACE_CLASS (client) // should become player when newsocket is a baseclass of player |
103 | struct client : zero_initialised, attachable_base |
163 | struct client : zero_initialised, attachable |
104 | { |
164 | { |
105 | enum Sock_Status status; |
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106 | int ACC (RW, fd); |
165 | int ACC (RW, fd); |
107 | unsigned int inbuf_len; // number of bytes valid in inbuf |
166 | unsigned int inbuf_len; // number of bytes valid in inbuf |
108 | struct Map lastmap; |
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109 | size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */ |
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110 | uint8 *faces_sent; /* This is a bitmap on sent face status */ |
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111 | uint8 anims_sent[MAXANIMNUM]; |
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112 | struct statsinfo stats; |
167 | statsinfo stats; |
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168 | int ACC (RO, active); |
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169 | |
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170 | Buffer outputbuffer; |
113 | |
171 | |
114 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
172 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
115 | uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ |
173 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
116 | Buffer outputbuffer; /* For undeliverable data */ |
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117 | |
174 | |
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175 | sint8 ACC (RW, last_level); /* Last level we sent to client */ |
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176 | uint16 ACC (RW, last_flags); /* fire/run on flags for last tick */ |
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177 | float ACC (RW, last_weapon_sp); /* if diff than weapon_sp, update client */ |
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178 | sint32 ACC (RW, last_weight); /* Last weight as sent to client; -1 means do not send weight */ |
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179 | sint32 ACC (RW, last_weight_limit); /* Last weight limit transmitted to client */ |
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180 | uint32 ACC (RW, last_path_attuned); /* Last spell attunment sent to client */ |
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181 | uint32 ACC (RW, last_path_repelled); /* Last spell repelled sent to client */ |
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182 | uint32 ACC (RW, last_path_denied); /* Last spell denied sent to client */ |
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183 | living ACC (RO, last_stats); /* Last stats as sent to client */ |
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184 | float ACC (RW, last_speed); /* Last speed as sent to client */ |
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185 | sint16 ACC (RW, last_resist[NROFATTACKS]);/* last resist values sent to client */ |
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186 | sint64 ACC (RW, last_skill_exp[NUM_SKILLS]);/* shadow register. if != exp. obj update client */ |
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187 | |
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188 | bool ACC (RW, afk); /* player is afk */ |
118 | bool ACC (RW, facecache); /* If true, client is caching images */ |
189 | bool ACC (RW, facecache); /* If true, client is caching images */ |
119 | bool ACC (RW, sent_scroll); |
190 | bool ACC (RW, sent_scroll); |
120 | bool ACC (RW, sound); /* does the client want sound */ |
191 | bool ACC (RW, sound); /* does the client want sound */ |
121 | bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ |
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122 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
192 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
123 | bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ |
193 | bool ACC (RW, plugincmd); // extend the protocol through a plug-in */ |
124 | bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ |
194 | bool ACC (RW, mapinfocmd); // return map info and send map change info |
125 | bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ |
195 | bool ACC (RW, extcmd); // call into extensions/plugins |
126 | bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ |
196 | bool ACC (RW, extmap); // extend map comamnd with extra data |
127 | bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ |
197 | bool ACC (RW, buggy_mapscroll); // client crashes on large mapscrolls |
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198 | bool ACC (RW, force_face0); // client workaround for buggy checksum calculation in gcfclient |
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199 | bool ACC (RW, force_bad_checksum); // client workaround for buggy checksum calculation in gcfclient |
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200 | bool ACC (RW, force_image_newmap); // client workaround for client not redrawing map on image upload |
128 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
201 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
129 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
202 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
130 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
203 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
131 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
204 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
132 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
205 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
133 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
206 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
134 | bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ |
207 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
135 | /* Below are flags for extedend infos to pass to client |
208 | /* Below are flags for extedend infos to pass to client |
136 | * with S->C mapextended command */ |
209 | * with S->C mapextended command */ |
137 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
210 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
138 | |
211 | |
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212 | bool ACC (RW, force_newmap); // force a newmap before next map update |
139 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
213 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
140 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
214 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
141 | enum MapMode mapmode; /* Type of map commands the client wants. */ |
215 | enum MapMode mapmode; /* Type of map commands the client wants. */ |
142 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
216 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
143 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
217 | uint8 ACC (RW, mapx), ACC (RW, mapy); /* How large a map the client wants */ |
144 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
218 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
145 | uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ |
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146 | |
219 | |
147 | maptile *ACC (RW, current_map); // CF+ last/current player map |
220 | maptile *ACC (RW, current_map); // CF+ last/current player map |
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221 | region *ACC (RW, current_region); // CF+ last/current player region |
148 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
222 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
149 | char ACC (RW, version)[64]; // CF+ client name/version |
223 | char ACC (RW, version)[64]; // CF+ client name/version |
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224 | uint8 ACC (RW, faceset); // CF+ selected faceset |
150 | |
225 | |
151 | /* If we get an incomplete packet, this is used to hold the data. */ |
226 | player_ptr ACC (RO, pl); |
152 | uint8 inbuf[MAXSOCKBUF]; |
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153 | player *ACC (RO, pl);//TODO should not be here, preferably |
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154 | |
227 | |
155 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
228 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
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229 | |
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230 | int ACC (RW, max_rate); // max. # of bytes to send per tick |
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231 | faceidx ACC (RW, scrub_idx); // which face to send next |
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232 | int ACC (RW, bg_scrub); // how many ticks till the next background face send |
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233 | std::vector<faceidx> askface; // which faces have been requested by the client |
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234 | |
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235 | void do_destroy (); |
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236 | void gather_callbacks (AV *&callbacks, event_type event) const; |
156 | |
237 | |
157 | iow socket_ev; void socket_cb (iow &w, int got); |
238 | iow socket_ev; void socket_cb (iow &w, int got); |
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239 | iw cmd_ev; void cmd_cb (iw &w); |
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240 | client_container cc_inv, cc_other; |
158 | |
241 | |
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242 | std::deque< command, slice_allocator<command> > cmd_queue; |
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243 | |
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244 | // large structures at the end please |
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245 | struct Map lastmap; |
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246 | std::bitset<MAXANIMNUM> anims_sent; |
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247 | std::bitset<MAX_FACES> faces_sent; |
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248 | |
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249 | // if we get an incomplete packet, this is used to hold the data. |
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250 | // we add 2 byte for the header, one for the trailing 0 byte |
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251 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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252 | |
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253 | bool may_execute (const packet_type *pkt) const; |
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254 | void execute (const packet_type *pkt, char *data, int datalen); |
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255 | |
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256 | void queue_command (packet_type *handler, char *data, int datalen); |
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257 | MTH bool handle_command (); |
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258 | // resets movement state |
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259 | MTH void reset_state (); |
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260 | // resets variable data used to send stat diffs |
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261 | MTH void reset_stats (); |
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262 | |
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263 | MTH bool handle_packet (); |
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264 | int next_packet (); // returns length of packet or 0 |
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265 | void skip_packet (int len); // we have processed the packet, skip it |
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266 | |
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267 | MTH void flush (); |
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268 | MTH void write_outputbuffer (); |
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269 | MTH int outputbuffer_len () const { return outputbuffer.len; } |
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270 | void send (void *buf_, int len); |
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271 | |
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272 | void send_packet (const char *buf); |
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273 | void send_packet (const char *buf, int len); |
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274 | void send_packet_printf (const char *format, ...); |
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275 | void send_packet (packet &sl); |
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276 | |
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277 | void send_drawinfo (const char *msg, int flags = NDI_BLACK); |
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278 | MTH void send_face (faceidx facenum); |
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279 | MTH void send_image (faceidx facenum); |
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280 | MTH void send_faces (object *ob); |
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281 | MTH void send_animation (short anim_num); |
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282 | |
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283 | // called when something under the player changes |
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284 | MTH void floorbox_update () { update_look = 1; } |
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285 | // called when the player has been moved |
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286 | MTH void floorbox_reset () { look_position = 0; floorbox_update (); } |
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287 | |
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288 | MTH void tick (); // called every server tick to do housekeeping etc. |
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289 | |
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290 | MTH static client *create (int fd, const char *peername); |
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291 | |
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292 | protected: |
159 | client (int fd, const char *from_ip); |
293 | client (int fd, const char *from_ip); |
160 | ~client (); |
294 | ~client (); |
161 | |
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162 | int read_packet (); // returns length of packet or 0 |
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163 | void skip_packet (int len); // we have processed the packet, skip it |
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164 | |
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165 | void flush (); |
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166 | void write_outputbuffer (); |
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167 | void send (void *buf_, int len); |
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168 | |
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169 | void send_packet (const char *buf); |
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170 | void send_packet (const char *buf, int len); |
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171 | void send_packet (packet &sl); |
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172 | }; |
295 | }; |
173 | |
296 | |
174 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
297 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
175 | ( ((__type)>0) &&\ |
298 | ( ((__type)>0) &&\ |
176 | ((__sockPtr)->has_readable_type) && \ |
299 | ((__sockPtr)->has_readable_type) && \ |
177 | ((__sockPtr)->supported_readables & (1<<(__type))) ) |
300 | ((__sockPtr)->supported_readables & (1<<(__type))) ) |
178 | |
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179 | /* Bitmask for the faces_sent[] array - what |
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180 | * portion of the face have we sent? |
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181 | */ |
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182 | #define NS_FACESENT_FACE 0x1 |
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183 | #define NS_FACESENT_SMOOTH 0x2 |
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184 | |
301 | |
185 | /* Constants in the form EMI_ is for extended map infos. |
302 | /* Constants in the form EMI_ is for extended map infos. |
186 | * Even if the client select the additionnal infos it wants |
303 | * Even if the client select the additionnal infos it wants |
187 | * on the map, there may exist cases where this whole info |
304 | * on the map, there may exist cases where this whole info |
188 | * is not given in one buch but in separate bunches. This |
305 | * is not given in one buch but in separate bunches. This |
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210 | |
327 | |
211 | #define FACE_TYPES 1 |
328 | #define FACE_TYPES 1 |
212 | #define PNG_FACE_INDEX 0 |
329 | #define PNG_FACE_INDEX 0 |
213 | |
330 | |
214 | #define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ |
331 | #define VERSION_CS 1023 /* version >= 1023 understand setup cmd */ |
215 | #define VERSION_SC 1027 |
332 | #define VERSION_SC 1026 |
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333 | //#define VERSION_SC 1027 // requestinfo image_info and image_sums, makes extending faces on the fly impossible |
216 | #define VERSION_INFO "Crossfire+ Server" |
334 | #define VERSION_INFO "Crossfire+ Server" |
217 | |
335 | |
218 | typedef unordered_vector<client *> sockvec; |
336 | typedef object_vector<client, &client::active> sockvec; |
219 | |
337 | |
220 | extern sockvec clients; |
338 | extern sockvec clients; |
221 | extern int nrofpixmaps; //TODO: hrmpf, should go |
339 | |
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340 | #define for_all_clients(var) \ |
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341 | for (int _i = 0; _i < clients.size (); ++_i) \ |
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342 | declvar (client *, var, clients [_i]) |
222 | |
343 | |
223 | #endif |
344 | #endif |
224 | |
345 | |