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23 | |
24 | #ifndef CLIENT_H |
24 | #ifndef CLIENT_H |
25 | #define CLIENT_H |
25 | #define CLIENT_H |
26 | |
26 | |
27 | #include <deque> |
27 | #include <deque> |
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28 | #include <bitset> |
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29 | #include <tr1/unordered_set> |
28 | |
30 | |
29 | // (possibly) max. number of objects "per page" in the ground container |
31 | // (possibly) max. number of objects "per page" in the ground container |
30 | #define NUM_LOOK_OBJECTS 50 |
32 | #define FLOORBOX_PAGESIZE 50 |
31 | |
33 | |
32 | struct MapCell |
34 | struct MapCell |
33 | { |
35 | { |
34 | UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
36 | UUID player; // this is, unfortunately, very wasteful of memory space, but pretty bandwidth-efficient |
35 | int count; /* This is really darkness in the map1 command */ |
37 | int count; /* This is really darkness in the map1 command */ |
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66 | * current state. we set up our on buffers for sending/receiving, so we can |
68 | * current state. we set up our on buffers for sending/receiving, so we can |
67 | * handle some higher level functions. fd is the actual file descriptor we |
69 | * handle some higher level functions. fd is the actual file descriptor we |
68 | * are using. |
70 | * are using. |
69 | */ |
71 | */ |
70 | |
72 | |
71 | enum Sock_Status { Ns_Add, Ns_Dead }; |
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72 | |
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73 | /* Only one map mode can actually be used, so lets make it a switch |
73 | /* Only one map mode can actually be used, so lets make it a switch |
74 | * instead of having a bunch of different fields that needed to |
74 | * instead of having a bunch of different fields that needed to |
75 | * get toggled. |
75 | * get toggled. |
76 | */ |
76 | */ |
77 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
77 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
78 | |
78 | |
79 | /* The following is the setup for a ring buffer for storing outbut |
79 | /* The following is the setup for a ring buffer for storing output |
80 | * data that the OS can't handle right away. |
80 | * data that the OS can't handle right away. |
81 | */ |
81 | */ |
82 | |
82 | |
83 | struct Buffer |
83 | struct Buffer |
84 | { |
84 | { |
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87 | int len; |
87 | int len; |
88 | }; |
88 | }; |
89 | |
89 | |
90 | // a handler for a specific type of packet |
90 | // a handler for a specific type of packet |
91 | enum { |
91 | enum { |
92 | PF_PLAYER = 0x01, // must have valid player |
92 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
93 | PF_IMMEDIATE = 0x02, // TODO: hack, can be executed immediately |
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94 | PF_PLAYING = 0x04, // must be in playing state |
93 | PF_PLAYING = 0x02, // must be in playing state |
95 | }; |
94 | }; |
96 | |
95 | |
97 | struct packet_type |
96 | struct packet_type |
98 | { |
97 | { |
99 | const char *name; |
98 | const char *name; |
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106 | tstamp stamp; |
105 | tstamp stamp; |
107 | const packet_type *handler; |
106 | const packet_type *handler; |
108 | char *data; |
107 | char *data; |
109 | int datalen; |
108 | int datalen; |
110 | |
109 | |
111 | command (tstamp stamp, const packet_type *handler, char *data, int datalen) |
110 | ~command () |
112 | : stamp (stamp), handler (handler), data (data), datalen (datalen) |
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113 | { |
111 | { |
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112 | sfree<char> (data, datalen + 1); |
114 | } |
113 | } |
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114 | }; |
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115 | |
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116 | struct refitem |
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117 | { |
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118 | object_ptr op; |
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119 | }; |
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120 | |
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121 | // this represents a container on the client side. |
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122 | // right now, there are only ever two of them: |
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123 | // the inventory and the floor/open container |
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124 | //TODO: unused as of yet |
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125 | struct client_container : vector< refitem, slice_allocator<refitem> > |
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126 | { |
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127 | client *ns; |
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128 | enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type; |
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129 | |
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130 | bool item_changed; // one of the items in here possibly changed |
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131 | |
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132 | // for mapspace and container |
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133 | int x, y; |
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134 | maptile *map; |
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135 | |
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136 | // for container |
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137 | object *env; |
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138 | |
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139 | client_container (client *ns) |
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140 | : ns (ns), type (CC_NONE) { } |
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141 | |
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142 | tag_t tag () const; |
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143 | |
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144 | inline iterator merge_item (iterator i, object *op); |
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145 | |
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146 | void clear (); |
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147 | void update (); |
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148 | |
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149 | void set_mapspace (maptile *map, int x, int y); |
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150 | void set_container (object *env); |
115 | }; |
151 | }; |
116 | |
152 | |
117 | /* how many times we are allowed to give the wrong password before being kicked. */ |
153 | /* how many times we are allowed to give the wrong password before being kicked. */ |
118 | #define MAX_PASSWORD_FAILURES 5 |
154 | #define MAX_PASSWORD_FAILURES 5 |
119 | |
155 | |
120 | ACC_CLASS (client) // should become player when newsocket is a baseclass of player |
156 | ACC_CLASS (client) // should become player when newsocket is a baseclass of player |
121 | struct client : zero_initialised, attachable_base |
157 | struct client : zero_initialised, attachable<client> |
122 | { |
158 | { |
123 | enum Sock_Status status; |
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124 | int ACC (RW, fd); |
159 | int ACC (RW, fd); |
125 | unsigned int inbuf_len; // number of bytes valid in inbuf |
160 | unsigned int inbuf_len; // number of bytes valid in inbuf |
126 | struct Map lastmap; |
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127 | size_t faces_sent_len; /* This is the number of elements allocated in faces_sent[] */ |
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128 | uint8 *faces_sent; /* This is a bitmap on sent face status */ |
161 | uint8 *faces_sent; // This is a bitmap on sent face status |
129 | uint8 anims_sent[MAXANIMNUM]; |
162 | statsinfo stats; |
130 | struct statsinfo stats; |
163 | |
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164 | client_container cc_inv, cc_other; |
131 | |
165 | |
132 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
166 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
133 | uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ |
167 | uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ |
134 | Buffer outputbuffer; /* For undeliverable data */ |
168 | bool destroyed; // set when this socket is to be destroyed |
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169 | Buffer outputbuffer; |
135 | |
170 | |
136 | bool ACC (RW, facecache); /* If true, client is caching images */ |
171 | bool ACC (RW, facecache); /* If true, client is caching images */ |
137 | bool ACC (RW, sent_scroll); |
172 | bool ACC (RW, sent_scroll); |
138 | bool ACC (RW, sound); /* does the client want sound */ |
173 | bool ACC (RW, sound); /* does the client want sound */ |
139 | bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ |
174 | bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ |
140 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
175 | bool ACC (RW, newmapcmd); /* Send newmap command when entering new map SMACFIGGEN */ |
141 | bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ |
176 | bool ACC (RW, plugincmd); /* CF+ extend the protocol through a plug-in */ |
142 | bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ |
177 | bool ACC (RW, mapinfocmd); /* CF+ return map info and send map change info */ |
143 | bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ |
178 | bool ACC (RW, extcmd); /* CF+ call into extensions/plugins */ |
144 | bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ |
179 | bool ACC (RW, extmap); /* CF+ extend map comamnd with extra data */ |
145 | bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ |
180 | bool ACC (RW, buggy_mapscroll); /* CF+ client crashes on large mapscrolls */ |
146 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
181 | bool ACC (RW, darkness); /* True if client wants darkness information */ |
147 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
182 | bool ACC (RW, image2); /* Client wants image2/face2 commands */ |
148 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
183 | bool ACC (RW, update_look); /* If true, we need to send the look window */ |
149 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
184 | bool ACC (RW, has_readable_type); /* If true client accept additional text information */ |
150 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
185 | /* used to arrange text in books, scrolls, or scripted dialogs */ |
151 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
186 | bool ACC (RW, monitor_spells); /* Client wishes to be informed when their spell list changes */ |
152 | bool ACC (RW, ext_mapinfos); /* If true client accept additionnal info on maps */ |
187 | bool ACC (RW, ext_mapinfos); /* If true client accepts additional info on maps */ |
153 | /* Below are flags for extedend infos to pass to client |
188 | /* Below are flags for extedend infos to pass to client |
154 | * with S->C mapextended command */ |
189 | * with S->C mapextended command */ |
155 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
190 | bool ACC (RW, EMI_smooth); /* Send smooth in extendmapinfos */ |
156 | |
191 | |
157 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
192 | uint32 ACC (RW, supported_readables); /* each bit is a readable supported by client */ |
158 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
193 | uint32 ACC (RW, cs_version), ACC (RW, sc_version); /* versions of the client */ |
159 | enum MapMode mapmode; /* Type of map commands the client wants. */ |
194 | enum MapMode mapmode; /* Type of map commands the client wants. */ |
160 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
195 | uint16 ACC (RW, look_position); /* start of drawing of look window */ |
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162 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
197 | uint8 ACC (RW, itemcmd); /* What version of the 'item' protocol command to use */ |
163 | uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ |
198 | uint8 ACC (RW, faceset); /* Set the client is using, default 0 */ |
164 | |
199 | |
165 | maptile *ACC (RW, current_map); // CF+ last/current player map |
200 | maptile *ACC (RW, current_map); // CF+ last/current player map |
166 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
201 | int ACC (RW, current_x), ACC (RW, current_y); // CF+ last/current map position |
167 | char ACC (RW, version)[64]; // CF+ client name/version |
202 | char ACC (RW, version)[64]; // CF+ client name/version |
168 | |
203 | |
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204 | player *ACC (RO, pl);//TODO should not be here, preferably |
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205 | |
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206 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
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207 | |
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208 | client (int fd, const char *from_ip); |
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209 | ~client (); |
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210 | void destroy (); |
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211 | |
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212 | iw cmd_ev; void cmd_cb (iw &w); |
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213 | iow socket_ev; void socket_cb (iow &w, int got); |
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214 | |
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215 | std::deque< command, slice_allocator<command> > cmd_queue; |
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216 | |
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217 | // large structures at the end please |
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218 | struct Map lastmap; |
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219 | std::bitset<MAXANIMNUM> anims_sent; |
169 | // if we get an incomplete packet, this is used to hold the data. |
220 | // if we get an incomplete packet, this is used to hold the data. |
170 | // we add 2 byte for the header, one for the trailing 0 byte |
221 | // we add 2 byte for the header, one for the trailing 0 byte |
171 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
222 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
172 | player *ACC (RO, pl);//TODO should not be here, preferably |
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173 | |
223 | |
174 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
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175 | |
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176 | client (int fd, const char *from_ip); |
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177 | ~client (); |
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178 | void destroy (); |
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179 | |
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180 | iw cmd_ev; void cmd_cb (iw &w); |
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181 | iow socket_ev; void socket_cb (iow &w, int got); |
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182 | |
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183 | std::deque< command, slice_allocator<command> > cmd_queue; |
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184 | |
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185 | // those should probably be client methods |
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186 | bool may_execute (const packet_type *pkt) const; |
224 | bool may_execute (const packet_type *pkt) const; |
187 | void execute (const packet_type *pkt, char *data, int datalen); |
225 | void execute (const packet_type *pkt, char *data, int datalen); |
188 | |
226 | |
189 | void queue_command (packet_type *handler, char *data, int datalen); |
227 | void queue_command (packet_type *handler, char *data, int datalen); |
190 | bool handle_command (); |
228 | bool handle_command (); |
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229 | // resets movement state |
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230 | void reset_state (); |
191 | |
231 | |
192 | bool handle_packet (); |
232 | bool handle_packet (); |
193 | int next_packet (); // returns length of packet or 0 |
233 | int next_packet (); // returns length of packet or 0 |
194 | void skip_packet (int len); // we have processed the packet, skip it |
234 | void skip_packet (int len); // we have processed the packet, skip it |
195 | |
235 | |
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199 | |
239 | |
200 | void send_packet (const char *buf); |
240 | void send_packet (const char *buf); |
201 | void send_packet (const char *buf, int len); |
241 | void send_packet (const char *buf, int len); |
202 | void send_packet_printf (const char *format, ...); |
242 | void send_packet_printf (const char *format, ...); |
203 | void send_packet (packet &sl); |
243 | void send_packet (packet &sl); |
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244 | |
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245 | // called when something under the player changes |
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246 | void floorbox_update () { update_look = 1; } |
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247 | // called when the player has been moved |
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248 | void floorbox_reset () { look_position = 0; floorbox_update (); } |
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249 | |
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250 | static client *create (int fd, const char *peername); |
204 | }; |
251 | }; |
205 | |
252 | |
206 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
253 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
207 | ( ((__type)>0) &&\ |
254 | ( ((__type)>0) &&\ |
208 | ((__sockPtr)->has_readable_type) && \ |
255 | ((__sockPtr)->has_readable_type) && \ |