1 | /* |
1 | /* |
2 | * CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
3 | * |
3 | * |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
5 | * Copyright (C) 2002-2003 Mark Wedel & The Crossfire Development Team |
5 | * Copyright (©) 2002-2003,2007 Mark Wedel & The Crossfire Development Team |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
8 | * Crossfire TRT is free software; you can redistribute it and/or modify it |
9 | * it under the terms of the GNU General Public License as published by |
9 | * under the terms of the GNU General Public License as published by the Free |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * Software Foundation; either version 2 of the License, or (at your option) |
11 | * (at your option) any later version. |
11 | * 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, but |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
16 | * GNU General Public License for more details. |
16 | * 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 along |
19 | * along with this program; if not, write to the Free Software |
19 | * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
21 | * |
21 | * |
22 | * The author can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | /** |
25 | /** |
26 | * \file |
26 | * \file |
27 | * Main client/server loops. |
27 | * Main client/server loops. |
… | |
… | |
85 | } |
85 | } |
86 | |
86 | |
87 | bool |
87 | bool |
88 | client::handle_command () |
88 | client::handle_command () |
89 | { |
89 | { |
90 | bool skipping = false; |
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91 | |
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92 | while (!cmd_queue.empty () |
90 | if (!cmd_queue.empty () |
93 | && !(state == ST_PLAYING && pl->ob && pl->ob->speed_left <= 0)) |
91 | && state == ST_PLAYING |
|
|
92 | && pl->ob->speed_left > 0.f) |
94 | { |
93 | { |
95 | command &cmd = cmd_queue.front (); |
94 | command &cmd = cmd_queue.front (); |
96 | |
95 | |
97 | if (cmd.stamp + MAX_QUEUE_BACKLOG < now ()) |
96 | if (cmd.stamp + MAX_QUEUE_BACKLOG < now ()) |
98 | { |
97 | { |
99 | if (!skipping) |
|
|
100 | { |
|
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101 | skipping = true; |
|
|
102 | reset_state (); |
98 | reset_state (); |
103 | send_packet_printf ("drawinfo %d ignoring delayed commands.", NDI_RED); |
99 | send_packet_printf ("drawinfo %d ignoring delayed commands.", NDI_RED); |
104 | } |
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105 | |
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106 | cmd_queue.pop_front (); |
|
|
107 | } |
100 | } |
108 | else |
101 | else |
109 | { |
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110 | execute (cmd.handler, cmd.data, cmd.datalen); |
102 | execute (cmd.handler, cmd.data, cmd.datalen); |
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103 | |
111 | cmd_queue.pop_front (); |
104 | cmd_queue.pop_front (); |
112 | return true; |
105 | return true; |
113 | } |
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|
114 | } |
106 | } |
115 | |
107 | else |
116 | return false; |
108 | return false; |
117 | } |
109 | } |
118 | |
110 | |
119 | void |
111 | void |
120 | flush_sockets (void) |
112 | flush_sockets (void) |
121 | { |
113 | { |
… | |
… | |
165 | if (last_weight != WEIGHT (pl->ob)) |
157 | if (last_weight != WEIGHT (pl->ob)) |
166 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
158 | LOG (llevError, "esrv_update_item(UPD_WEIGHT) did not set player weight: is %lu, should be %lu\n", |
167 | (unsigned long) last_weight, WEIGHT (pl->ob)); |
159 | (unsigned long) last_weight, WEIGHT (pl->ob)); |
168 | } |
160 | } |
169 | |
161 | |
170 | draw_client_map (pl->ob); |
162 | draw_client_map (pl); |
171 | |
163 | |
172 | if (update_look) |
164 | if (update_look) |
173 | esrv_draw_look (pl->ob); |
165 | esrv_draw_look (pl); |
174 | |
166 | |
175 | if (askface.empty ()) |
167 | if (askface.empty () && !partial_face_ofs) |
176 | { |
168 | { |
|
|
169 | // regularly send a new face when queue is empty |
177 | if (bg_scrub && !--bg_scrub && enable_bg_scrub) |
170 | if (bg_scrub && !--bg_scrub && enable_bg_scrub) |
178 | while (scrub_idx < faces.size () - 1) |
171 | while (scrub_idx < faces.size () - 1) |
179 | { |
172 | { |
180 | ++scrub_idx; |
173 | ++scrub_idx; |
181 | if (!faces_sent [scrub_idx]) |
174 | if (!faces_sent [scrub_idx]) |
182 | { |
175 | { |
183 | send_face (scrub_idx); |
176 | send_face (scrub_idx); |
|
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177 | flush_fx (); |
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178 | |
184 | bg_scrub = 1; // send up to one face per tick, unless an image was requested |
179 | bg_scrub = 1; // send up to one face per tick, unless an image was requested |
185 | break; |
180 | break; |
186 | } |
181 | } |
187 | } |
182 | } |
|
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183 | |
|
|
184 | rate_avail = max_rate - outputbuffer_len (); |
188 | } |
185 | } |
189 | else |
186 | else |
190 | while (!askface.empty () && outputbuffer_len () < max_rate) |
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191 | { |
187 | { |
192 | // use a lifo to send most recently requested images |
188 | int ol = outputbuffer_len (); |
193 | faceidx face = askface.back (); |
|
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194 | askface.pop_back (); |
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195 | |
189 | |
196 | send_image (face); |
190 | rate_avail = min (max_rate, rate_avail + max_rate); |
|
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191 | rate_avail -= ol; |
197 | |
192 | |
|
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193 | int avail = rate_avail; |
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194 | |
|
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195 | // if we can split images, transfer up to mss packets if possible |
|
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196 | // but never more 768 bytes more. |
|
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197 | if (fxix) avail += min (768, mss - (ol % mss)); |
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198 | |
198 | bg_scrub = BG_SCRUB_RATE; |
199 | bg_scrub = BG_SCRUB_RATE; |
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200 | |
|
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201 | while (avail > 0) |
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202 | { |
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203 | if (partial_face_ofs) |
|
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204 | { |
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205 | if (facedata *d = face_data (partial_face, faceset)) |
|
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206 | { |
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207 | // 9 bytes is enough for fx_FFFOOO, 40 leaves some room |
|
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208 | int chunk = min (min (avail - 40, MAXSOCKBUF - 9), partial_face_ofs); |
|
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209 | |
|
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210 | if (chunk <= 0) |
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211 | break; |
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212 | |
|
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213 | partial_face_ofs -= chunk; |
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214 | |
|
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215 | packet sl ("ix"); |
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216 | |
|
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217 | sl << ber32 (partial_face) |
|
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218 | << ber32 (partial_face_ofs) |
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219 | << data (d->data.data () + partial_face_ofs, chunk); |
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220 | |
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221 | send_packet (sl); |
|
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222 | } |
|
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223 | else |
|
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224 | partial_face_ofs = 0; |
|
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225 | } |
|
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226 | else if (!askface.empty ()) |
|
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227 | { |
|
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228 | // use a lifo to send most recently requested images |
|
|
229 | faceidx facenum = askface.back (); |
|
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230 | askface.pop_back (); |
|
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231 | |
|
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232 | if (fxix) |
|
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233 | { |
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234 | if (facedata *d = face_data (facenum, faceset)) |
|
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235 | { |
|
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236 | partial_face = facenum; |
|
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237 | partial_face_ofs = d->data.size (); |
|
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238 | } |
|
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239 | } |
|
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240 | else |
|
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241 | send_image (facenum); |
|
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242 | } |
|
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243 | else |
|
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244 | break; |
|
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245 | |
|
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246 | int consumed = ol - outputbuffer_len (); |
|
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247 | avail -= consumed; |
|
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248 | rate_avail -= consumed; |
199 | } |
249 | } |
|
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250 | } |
200 | } |
251 | } |
201 | |
252 | |