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24 | #ifndef CLIENT_H |
24 | #ifndef CLIENT_H |
25 | #define CLIENT_H |
25 | #define CLIENT_H |
26 | |
26 | |
27 | #include <deque> |
27 | #include <deque> |
28 | #include <bitset> |
28 | #include <bitset> |
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29 | #include <tr1/unordered_set> |
29 | |
30 | |
30 | // (possibly) max. number of objects "per page" in the ground container |
31 | // (possibly) max. number of objects "per page" in the ground container |
31 | #define FLOORBOX_PAGESIZE 50 |
32 | #define FLOORBOX_PAGESIZE 50 |
32 | |
33 | |
33 | struct MapCell |
34 | struct MapCell |
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67 | * 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 |
68 | * 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 |
69 | * are using. |
70 | * are using. |
70 | */ |
71 | */ |
71 | |
72 | |
72 | enum Sock_Status { Ns_Add, Ns_Dead }; |
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73 | |
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74 | /* 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 |
75 | * instead of having a bunch of different fields that needed to |
74 | * instead of having a bunch of different fields that needed to |
76 | * get toggled. |
75 | * get toggled. |
77 | */ |
76 | */ |
78 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
77 | enum MapMode { Map0Cmd = 0, Map1Cmd = 1, Map1aCmd = 2 }; |
79 | |
78 | |
80 | /* 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 |
81 | * data that the OS can't handle right away. |
80 | * data that the OS can't handle right away. |
82 | */ |
81 | */ |
83 | |
82 | |
84 | struct Buffer |
83 | struct Buffer |
85 | { |
84 | { |
86 | char data[SOCKETBUFSIZE]; |
85 | char data[SOCKETBUFSIZE]; |
87 | int start; |
86 | int start; |
88 | int len; |
87 | int len; |
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88 | }; |
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89 | |
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90 | // states the socket can be in |
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91 | enum { |
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92 | ST_DEAD, // socket is dead |
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93 | ST_SETUP, // initial handshake / setup / login |
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94 | ST_PLAYING, // logged in an playing |
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95 | ST_CUSTOM, // waiting for custom reply |
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96 | |
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97 | ST_CONFIRM_QUIT, |
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98 | ST_CHANGE_CLASS, |
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99 | ST_CONFIGURE, |
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100 | ST_GET_PARTY_PASSWORD, |
89 | }; |
101 | }; |
90 | |
102 | |
91 | // a handler for a specific type of packet |
103 | // a handler for a specific type of packet |
92 | enum { |
104 | enum { |
93 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
105 | PF_PLAYER = 0x01, // must have valid player / will by synchronised |
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112 | { |
124 | { |
113 | sfree<char> (data, datalen + 1); |
125 | sfree<char> (data, datalen + 1); |
114 | } |
126 | } |
115 | }; |
127 | }; |
116 | |
128 | |
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129 | struct refitem |
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130 | { |
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131 | object_ptr op; |
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132 | }; |
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133 | |
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134 | // this represents a container on the client side. |
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135 | // right now, there are only ever two of them: |
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136 | // the inventory and the floor/open container |
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137 | //TODO: unused as of yet |
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138 | struct client_container : vector< refitem, slice_allocator<refitem> > |
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139 | { |
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140 | client *ns; |
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141 | enum { CC_NONE, CC_INVENTORY, CC_MAPSPACE, CC_CONTAINER } type; |
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142 | |
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143 | bool item_changed; // one of the items in here possibly changed |
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144 | |
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145 | // for mapspace and container |
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146 | int x, y; |
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147 | maptile *map; |
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148 | |
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149 | // for container |
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150 | object *env; |
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151 | |
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152 | client_container (client *ns) |
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153 | : ns (ns), type (CC_NONE) { } |
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154 | |
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155 | tag_t tag () const; |
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156 | |
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157 | inline iterator merge_item (iterator i, object *op); |
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158 | |
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159 | void clear (); |
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160 | void update (); |
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161 | |
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162 | void set_mapspace (maptile *map, int x, int y); |
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163 | void set_container (object *env); |
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164 | }; |
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165 | |
117 | /* how many times we are allowed to give the wrong password before being kicked. */ |
166 | /* how many times we are allowed to give the wrong password before being kicked. */ |
118 | #define MAX_PASSWORD_FAILURES 5 |
167 | #define MAX_PASSWORD_FAILURES 5 |
119 | |
168 | |
120 | ACC_CLASS (client) // should become player when newsocket is a baseclass of player |
169 | ACC_CLASS (client) // should become player when newsocket is a baseclass of player |
121 | struct client : zero_initialised, attachable_base |
170 | struct client : zero_initialised, attachable<client> |
122 | { |
171 | { |
123 | enum Sock_Status status; |
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124 | int ACC (RW, fd); |
172 | int ACC (RW, fd); |
125 | unsigned int inbuf_len; // number of bytes valid in inbuf |
173 | unsigned int inbuf_len; // number of bytes valid in inbuf |
126 | uint8 *faces_sent; // This is a bitmap on sent face status |
174 | uint8 *faces_sent; // This is a bitmap on sent face status |
127 | struct statsinfo stats; |
175 | statsinfo stats; |
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176 | |
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177 | client_container cc_inv, cc_other; |
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178 | Buffer outputbuffer; |
128 | |
179 | |
129 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
180 | char *ACC (RW, host); /* Which host it is connected from (ip address) */ |
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181 | uint8 ACC (RW, state); /* Input state of the player (name, password, etc */ |
130 | uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ |
182 | uint8 ACC (RW, password_fails); /* how many times the player has failed to give the right password */ |
131 | Buffer outputbuffer; |
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132 | |
183 | |
133 | bool ACC (RW, facecache); /* If true, client is caching images */ |
184 | bool ACC (RW, facecache); /* If true, client is caching images */ |
134 | bool ACC (RW, sent_scroll); |
185 | bool ACC (RW, sent_scroll); |
135 | bool ACC (RW, sound); /* does the client want sound */ |
186 | bool ACC (RW, sound); /* does the client want sound */ |
136 | bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ |
187 | bool ACC (RW, exp64); /* Client wants 64 bit exp data, as well as skill data */ |
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168 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
219 | int ACC (RW, rtt), ACC (RW, rttvar); /* round-trip time and -variance, if known */ |
169 | |
220 | |
170 | client (int fd, const char *from_ip); |
221 | client (int fd, const char *from_ip); |
171 | ~client (); |
222 | ~client (); |
172 | void destroy (); |
223 | void destroy (); |
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224 | bool destroyed () const { return state == ST_DEAD; } |
173 | |
225 | |
174 | iw cmd_ev; void cmd_cb (iw &w); |
226 | iw cmd_ev; void cmd_cb (iw &w); |
175 | iow socket_ev; void socket_cb (iow &w, int got); |
227 | iow socket_ev; void socket_cb (iow &w, int got); |
176 | |
228 | |
177 | std::deque< command, slice_allocator<command> > cmd_queue; |
229 | std::deque< command, slice_allocator<command> > cmd_queue; |
178 | |
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179 | // resets movement state |
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180 | bool may_execute (const packet_type *pkt) const; |
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181 | void execute (const packet_type *pkt, char *data, int datalen); |
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182 | |
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183 | void queue_command (packet_type *handler, char *data, int datalen); |
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184 | bool handle_command (); |
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185 | void reset_state (); |
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186 | |
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187 | bool handle_packet (); |
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188 | int next_packet (); // returns length of packet or 0 |
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189 | void skip_packet (int len); // we have processed the packet, skip it |
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190 | |
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191 | void flush (); |
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192 | void write_outputbuffer (); |
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193 | void send (void *buf_, int len); |
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194 | |
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195 | void send_packet (const char *buf); |
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196 | void send_packet (const char *buf, int len); |
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197 | void send_packet_printf (const char *format, ...); |
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198 | void send_packet (packet &sl); |
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199 | |
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200 | // called when something under the player changes |
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201 | void floorbox_update () { update_look = 1; } |
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202 | // called when the player has been moved |
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203 | void floorbox_reset () { look_position = 0; floorbox_update (); } |
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204 | |
230 | |
205 | // large structures at the end please |
231 | // large structures at the end please |
206 | struct Map lastmap; |
232 | struct Map lastmap; |
207 | std::bitset<MAXANIMNUM> anims_sent; |
233 | std::bitset<MAXANIMNUM> anims_sent; |
208 | // if we get an incomplete packet, this is used to hold the data. |
234 | // if we get an incomplete packet, this is used to hold the data. |
209 | // we add 2 byte for the header, one for the trailing 0 byte |
235 | // we add 2 byte for the header, one for the trailing 0 byte |
210 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
236 | uint8 inbuf[MAXSOCKBUF + 2 + 1]; |
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237 | |
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238 | bool may_execute (const packet_type *pkt) const; |
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239 | void execute (const packet_type *pkt, char *data, int datalen); |
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240 | |
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241 | void queue_command (packet_type *handler, char *data, int datalen); |
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242 | bool handle_command (); |
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243 | // resets movement state |
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244 | void reset_state (); |
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245 | |
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246 | bool handle_packet (); |
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247 | int next_packet (); // returns length of packet or 0 |
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248 | void skip_packet (int len); // we have processed the packet, skip it |
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249 | |
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250 | void flush (); |
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251 | void write_outputbuffer (); |
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252 | void send (void *buf_, int len); |
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253 | |
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254 | void send_packet (const char *buf); |
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255 | void send_packet (const char *buf, int len); |
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256 | void send_packet_printf (const char *format, ...); |
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257 | void send_packet (packet &sl); |
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258 | |
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259 | // called when something under the player changes |
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260 | void floorbox_update () { update_look = 1; } |
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261 | // called when the player has been moved |
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262 | void floorbox_reset () { look_position = 0; floorbox_update (); } |
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263 | |
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264 | static client *create (int fd, const char *peername); |
211 | }; |
265 | }; |
212 | |
266 | |
213 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
267 | #define CLIENT_SUPPORT_READABLES(__sockPtr,__type)\ |
214 | ( ((__type)>0) &&\ |
268 | ( ((__type)>0) &&\ |
215 | ((__sockPtr)->has_readable_type) && \ |
269 | ((__sockPtr)->has_readable_type) && \ |