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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.46 by root, Tue Dec 19 05:12:52 2006 UTC vs.
Revision 1.183 by root, Sat May 7 20:03:28 2011 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4 Copyright (C) 2001 Mark Wedel 5 * Copyright (©) 2001 Mark Wedel
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
8 it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
9 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
10 (at your option) any later version. 11 * option) any later version.
11 12 *
12 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,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
18 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
20 21 *
21 The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22*/ 23 */
24
25//+GPL
23 26
24/** 27/**
25 * \file 28 * \file
26 * Client handling. 29 * Client handling.
27 * 30 *
… …
35 * have the prototype of (char *data, int datalen, int client_num). This 38 * have the prototype of (char *data, int datalen, int client_num). This
36 * way, we can use one dispatch table. 39 * way, we can use one dispatch table.
37 * 40 *
38 * esrv_map_new starts updating the map 41 * esrv_map_new starts updating the map
39 * 42 *
40 * esrv_map_setbelow allows filling in all of the faces for the map.
41 * if a face has not already been sent to the client, it is sent now.
42 *
43 */ 43 */
44 44
45#include <global.h> 45#include <global.h>
46#include <sproto.h> 46#include <sproto.h>
47 47
48#include <living.h> 48#include <living.h>
49#include <commands.h>
50 49
51/* This block is basically taken from socket.c - I assume if it works there, 50/* This block is basically taken from socket.c - I assume if it works there,
52 * it should work here. 51 * it should work here.
53 */ 52 */
54#include <sys/types.h> 53#include <sys/types.h>
… …
66 * This table translates the attack numbers as used within the 65 * This table translates the attack numbers as used within the
67 * program to the value we use when sending STATS command to the 66 * program to the value we use when sending STATS command to the
68 * client. If a value is -1, then we don't send that to the 67 * client. If a value is -1, then we don't send that to the
69 * client. 68 * client.
70 */ 69 */
71short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 70static short atnr_cs_stat[NROFATTACKS] =
72 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 71{
73 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 72 CS_STAT_RES_PHYS,
74 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 73 CS_STAT_RES_MAG,
75 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 74 CS_STAT_RES_FIRE,
76 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 75 CS_STAT_RES_ELEC,
77 CS_STAT_RES_FEAR, -1 /* Cancellation */ , 76 CS_STAT_RES_COLD,
78 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, 77 CS_STAT_RES_CONF,
79 -1 /* Chaos */ , -1 /* Counterspell */ , 78 CS_STAT_RES_ACID,
80 -1 /* Godpower */ , CS_STAT_RES_HOLYWORD, 79 CS_STAT_RES_DRAIN,
80 -1 /* weaponmagic */,
81 CS_STAT_RES_GHOSTHIT,
82 CS_STAT_RES_POISON,
83 CS_STAT_RES_SLOW,
84 CS_STAT_RES_PARA,
85 CS_STAT_TURN_UNDEAD,
86 CS_STAT_RES_FEAR,
87 -1 /* Cancellation */,
88 CS_STAT_RES_DEPLETE,
89 CS_STAT_RES_DEATH,
90 -1 /* Chaos */,
91 -1 /* Counterspell */,
92 -1 /* Godpower */,
93 CS_STAT_RES_HOLYWORD,
81 CS_STAT_RES_BLIND, 94 CS_STAT_RES_BLIND,
82 -1, /* Internal */ 95 -1, /* Internal */
83 -1, /* life stealing */ 96 -1, /* life stealing */
84 -1 /* Disease - not fully done yet */ 97 -1 /* Disease - not fully done yet */
85}; 98};
… …
100 * that much difference in bandwidth. 113 * that much difference in bandwidth.
101 */ 114 */
102 mx = ns->mapx; 115 mx = ns->mapx;
103 my = ns->mapy; 116 my = ns->mapy;
104 117
105 if (ns->mapmode == Map1aCmd)
106 {
107 mx += MAX_HEAD_OFFSET;
108 my += MAX_HEAD_OFFSET;
109 }
110
111 /* the x and y here are coordinates for the new map, i.e. if we moved 118 /* the x and y here are coordinates for the new map, i.e. if we moved
112 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 119 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
113 * if the destination x or y coordinate is outside the viewable 120 * if the destination x or y coordinate is outside the viewable
114 * area, we clear the values - otherwise, the old values 121 * area, we clear the values - otherwise, the old values
115 * are preserved, and the check_head thinks it needs to clear them. 122 * are preserved, and the check_head thinks it needs to clear them.
116 */ 123 */
117 for (x = 0; x < mx; x++) 124 for (x = 0; x < mx; x++)
118 {
119 for (y = 0; y < my; y++) 125 for (y = 0; y < my; y++)
120 {
121 if (x >= ns->mapx || y >= ns->mapy) 126 if (x >= ns->mapx || y >= ns->mapy)
122 /* clear cells outside the viewable area */ 127 /* clear cells outside the viewable area */
123 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 128 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
124 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 129 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
125 /* clear newly visible tiles within the viewable area */ 130 /* clear newly visible tiles within the viewable area */
126 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 131 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
127 else 132 else
128 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 133 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
129 }
130 }
131 134
132 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 135 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
133 136
134 /* Make sure that the next "map1" command will be sent (even if it is 137 /* Make sure that the next "map1" command will be sent (even if it is
135 * empty). 138 * empty).
… …
138} 141}
139 142
140static void 143static void
141clear_map (player *pl) 144clear_map (player *pl)
142{ 145{
146 pl->ns->mapinfo_queue_clear ();
147
143 memset (&pl->socket->lastmap, 0, sizeof (pl->socket->lastmap)); 148 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
144 149
145 if (pl->socket->newmapcmd == 1) 150 pl->ns->force_newmap = false;
146 pl->socket->send_packet ("newmap"); 151 pl->ns->send_packet ("newmap");
147
148 pl->socket->floorbox_reset (); 152 pl->ns->floorbox_reset ();
149} 153}
150 154
155static void
156send_map_info (player *pl)
157{
158 client &socket = *pl->ns;
159 object *ob = pl->viewpoint;
160
161 if (socket.mapinfocmd)
162 {
163 if (ob->map && ob->map->path)
164 {
165 int flags = 0;
166
167 // due to historical glitches, the bit ordering and map index ordering differs
168 if (ob->map->tile_path[TILE_NORTH]) flags |= 0x01;
169 if (ob->map->tile_path[TILE_EAST ]) flags |= 0x02;
170 if (ob->map->tile_path[TILE_SOUTH]) flags |= 0x04;
171 if (ob->map->tile_path[TILE_WEST ]) flags |= 0x08;
172 // these two are debatable
173 if (ob->map->tile_path[TILE_UP ]) flags |= 0x10;
174 if (ob->map->tile_path[TILE_DOWN ]) flags |= 0x20;
175
176 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
177 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
178 ob->map->width, ob->map->height, &ob->map->path);
179 }
180 else
181 socket.send_packet ("mapinfo current");
182 }
183}
184
151/** check for map change and send new map data */ 185/** check for map/region change and send new map data */
152static void 186static void
153check_map_change (player *pl) 187check_map_change (player *pl)
154{ 188{
155 client &socket = *pl->socket; 189 client &socket = *pl->ns;
156 object *ob = pl->ob; 190 object *ob = pl->viewpoint;
157 char buf[MAX_BUF]; /* eauugggh */
158 191
159 if (socket.current_map != ob->map) 192 region *reg = ob->region ();
193 if (socket.current_region != reg)
194 {
195 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
196 socket.current_region = reg;
160 { 197 }
198
199 // first try to aovid a full newmap on tiled map scrolls
200 if (socket.current_map != ob->map && !socket.force_newmap)
201 {
202 rv_vector rv;
203
204 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
205
206 // manhattan distance is very handy here
207 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
208 {
209 socket.current_map = ob->map;
210 socket.current_x = ob->x;
211 socket.current_y = ob->y;
212
213 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
214 socket.floorbox_reset ();
215 send_map_info (pl);
216 }
217 }
218
219 if (socket.current_map != ob->map || socket.force_newmap)
220 {
221 clear_map (pl);
161 socket.current_map = ob->map; 222 socket.current_map = ob->map;
162 223 send_map_info (pl);
163 clear_map (pl);
164
165 if (socket.mapinfocmd)
166 {
167 if (ob->map && ob->map->path[0])
168 {
169 int flags = 0;
170
171 if (ob->map->tile_path[0])
172 flags |= 1;
173 if (ob->map->tile_path[1])
174 flags |= 2;
175 if (ob->map->tile_path[2])
176 flags |= 4;
177 if (ob->map->tile_path[3])
178 flags |= 8;
179
180 snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s",
181 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, ob->map->path);
182 }
183 else
184 snprintf (buf, MAX_BUF, "mapinfo current");
185
186 socket.send_packet (buf);
187 }
188 } 224 }
189 else if (socket.current_x != ob->x || socket.current_y != ob->y) 225 else if (socket.current_x != ob->x || socket.current_y != ob->y)
190 { 226 {
191 int dx = ob->x - socket.current_x; 227 int dx = ob->x - socket.current_x;
192 int dy = ob->y - socket.current_y; 228 int dy = ob->y - socket.current_y;
193 229
194 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
195 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
196 else
197 {
198 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 230 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
199 socket.floorbox_reset (); 231 socket.floorbox_reset ();
200 }
201 } 232 }
202 233
203 socket.current_x = ob->x; 234 socket.current_x = ob->x;
204 socket.current_y = ob->y; 235 socket.current_y = ob->y;
236}
237
238/**
239 * This sends the skill number to name mapping. We ignore
240 * the params - we always send the same info no matter what.
241 */
242static void
243send_skill_info (client *ns, char *params)
244{
245 packet sl;
246 sl << "replyinfo skill_info\n";
247
248 for (int i = 0; i < skillvec.size (); ++i)
249 sl.printf ("%d:%s\n", CS_STAT_SKILLINFO + i, &skillvec [i]->name);
250
251 if (sl.length () > MAXSOCKBUF)
252 cleanup ("buffer overflow in send_skill_info!");
253
254 ns->send_packet (sl);
255}
256
257/**
258 * This sends the spell path to name mapping. We ignore
259 * the params - we always send the same info no matter what.
260 */
261static void
262send_spell_paths (client * ns, char *params)
263{
264 packet sl;
265
266 sl << "replyinfo spell_paths\n";
267
268 for (int i = 0; i < NRSPELLPATHS; i++)
269 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
270
271 if (sl.length () > MAXSOCKBUF)
272 cleanup ("buffer overflow in send_spell_paths!");
273
274 ns->send_packet (sl);
205} 275}
206 276
207/** 277/**
208 * RequestInfo is sort of a meta command. There is some specific 278 * RequestInfo is sort of a meta command. There is some specific
209 * request of information, but we call other functions to provide 279 * request of information, but we call other functions to provide
210 * that information. 280 * that information.
211 */ 281 */
212void 282void
213RequestInfo (char *buf, int len, client * ns) 283RequestInfo (char *buf, int len, client *ns)
214{ 284{
215 char *params = NULL, *cp; 285 char *params;
216
217 /* No match */
218 char bigbuf[MAX_BUF];
219 int slen;
220
221 /* Set up replyinfo before we modify any of the buffers - this is used
222 * if we don't find a match.
223 */
224 strcpy (bigbuf, "replyinfo ");
225 slen = strlen (bigbuf);
226 safe_strcat (bigbuf, buf, &slen, MAX_BUF);
227 286
228 /* find the first space, make it null, and update the 287 /* find the first space, make it null, and update the
229 * params pointer. 288 * params pointer.
230 */ 289 */
231 for (cp = buf; *cp != '\0'; cp++) 290 for (params = buf; *params; params++)
232 if (*cp == ' ') 291 if (*params == ' ')
233 { 292 {
234 *cp = '\0';
235 params = cp + 1; 293 *params++ = 0;
236 break; 294 break;
237 } 295 }
238 296
239 if (!strcmp (buf, "image_info"))
240 send_image_info (ns, params);
241 else if (!strcmp (buf, "image_sums"))
242 send_image_sums (ns, params);
243 else if (!strcmp (buf, "skill_info")) 297 if (!strcmp (buf, "skill_info"))
244 send_skill_info (ns, params); 298 send_skill_info (ns, params);
245 else if (!strcmp (buf, "spell_paths")) 299 else if (!strcmp (buf, "spell_paths"))
246 send_spell_paths (ns, params); 300 send_spell_paths (ns, params);
247 else 301 else
248 ns->send_packet (bigbuf, len); 302 {
303 // undo tokenisation above and send replyinfo with the request unchanged
304 if (*params)
305 *--params = ' ';
306
307 ns->send_packet_printf ("replyinfo %s", buf);
308 }
249} 309}
250 310
251void 311void
252ExtCmd (char *buf, int len, player *pl) 312ExtCmd (char *buf, int len, player *pl)
253{ 313{
… …
256 316
257void 317void
258ExtiCmd (char *buf, int len, client *ns) 318ExtiCmd (char *buf, int len, client *ns)
259{ 319{
260 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 320 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
321}
322
323//-GPL
324
325void
326client::mapinfo_queue_clear ()
327{
328 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
329 free (*i);
330
331 mapinfo_queue.clear ();
332}
333
334bool
335client::mapinfo_try (char *buf)
336{
337 char *token = buf;
338 buf += strlen (buf) + 9;
339
340 // initial map and its origin
341 maptile *map = pl->viewpoint->map;
342 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
343 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
344 int max_distance = 8; // limit maximum path length to something generous
345
346 while (*buf && map && max_distance)
347 {
348 int dir = *buf++ - '1';
349
350 // due to historical glitches, the mapinfo index and tile index differs
351 static unsigned char dirmap [] = { TILE_NORTH, TILE_EAST, TILE_SOUTH, TILE_WEST, TILE_UP, TILE_DOWN };
352
353 // maybe we should only allow the four flat directions
354 if (dir >= 0 && dir < array_length (dirmap))
355 {
356 dir = dirmap [dir];
357
358 if (!map->tile_path [dir])
359 map = 0;
360 else if (map->tile_available (dir, false))
361 {
362 maptile *neigh = map->tile_map [dir];
363
364 switch (dir)
365 {
366 case 0: mapy -= neigh->height; break;
367 case 2: mapy += map ->height; break;
368 case 3: mapx -= neigh->width ; break;
369 case 1: mapx += map ->width ; break;
370 }
371
372 map = neigh;
373 --max_distance;
374 }
375 else
376 return 0;
377 }
378 else
379 max_distance = 0;
380 }
381
382 if (!max_distance)
383 send_packet_printf ("mapinfo %s error", token);
384 else if (!map || !map->path)
385 send_packet_printf ("mapinfo %s nomap", token);
386 else
387 {
388 int flags = 0;
389
390 // due to historical glitches, the bit ordering and map index ordering differs
391 if (map->tile_path[TILE_NORTH]) flags |= 0x01;
392 if (map->tile_path[TILE_EAST ]) flags |= 0x02;
393 if (map->tile_path[TILE_SOUTH]) flags |= 0x04;
394 if (map->tile_path[TILE_WEST ]) flags |= 0x08;
395 // these two are debatable
396 if (map->tile_path[TILE_UP ]) flags |= 0x10;
397 if (map->tile_path[TILE_DOWN ]) flags |= 0x20;
398
399 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
400 }
401
402 return 1;
403}
404
405void
406client::mapinfo_queue_run ()
407{
408 if (mapinfo_queue.empty () || !pl)
409 return;
410
411 for (int i = 0; i < mapinfo_queue.size (); ++i)
412 if (mapinfo_try (mapinfo_queue [i]))
413 {
414 free (mapinfo_queue [i]);
415 mapinfo_queue.erase (i);
416 }
417 else
418 ++i;
261} 419}
262 420
263void 421void
264MapInfoCmd (char *buf, int len, player *pl) 422MapInfoCmd (char *buf, int len, player *pl)
265{ 423{
266 // <mapinfo tag spatial tile-path 424 // <mapinfo tag spatial tile-path
267 // >mapinfo tag spatial flags x y w h hash 425 // >mapinfo tag spatial flags x y w h hash
268 426
269 char bigbuf[MAX_BUF], *token;
270
271 token = buf; 427 char *token = buf;
272 // copy token 428
273 if (!(buf = strchr (buf, ' '))) 429 if (!(buf = strchr (buf, ' ')))
274 return; 430 return;
275 431
276 *buf++ = 0;
277
278 if (!strncmp (buf, "spatial ", 8)) 432 if (!strncmp (buf, " spatial ", 9))
279 { 433 {
280 buf += 8; 434 char *copy = strdup (token);
435 copy [buf - token] = 0;
281 436
282 // initial map and its origin 437#if 0
283 maptile *map = pl->ob->map; 438 // this makes only sense when we flush the buffer immediately
284 sint16 dx, dy; 439 if (pl->ns->mapinfo_try (copy))
285 int mapx = pl->socket->mapx / 2 - pl->ob->x; 440 free (copy);
286 int mapy = pl->socket->mapy / 2 - pl->ob->y;
287 int max_distance = 8; // limit maximum path length to something generous
288
289 while (*buf && map && max_distance)
290 {
291 int dir = *buf++;
292
293 switch (dir)
294 {
295 case '1':
296 dx = 0;
297 dy = -1;
298 map = get_map_from_coord (map, &dx, &dy);
299 map && (mapy -= map->height);
300 break;
301 case '2':
302 mapx += map->width;
303 dx = map->width;
304 dy = 0;
305 map = get_map_from_coord (map, &dx, &dy);
306 break;
307 case '3':
308 mapy += map->height;
309 dx = 0;
310 dy = map->height;
311 map = get_map_from_coord (map, &dx, &dy);
312 break;
313 case '4':
314 dx = -1;
315 dy = 0;
316 map = get_map_from_coord (map, &dx, &dy);
317 map && (mapx -= map->width);
318 break;
319 }
320
321 --max_distance;
322 }
323
324 if (!max_distance)
325 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
326 else if (map && map->path[0])
327 {
328 int flags = 0;
329
330 if (map->tile_path[0])
331 flags |= 1;
332 if (map->tile_path[1])
333 flags |= 2;
334 if (map->tile_path[2])
335 flags |= 4;
336 if (map->tile_path[3])
337 flags |= 8;
338
339 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, map->path);
340 }
341 else 441 else
342 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 442#endif
443 pl->ns->mapinfo_queue.push_back (copy);
343 } 444 }
344 else 445 else
345 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 446 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
346
347 pl->socket->send_packet (bigbuf);
348} 447}
349 448
350/** This is the Setup cmd - easy first implementation */ 449/** This is the Setup cmd */
351void 450void
352SetUp (char *buf, int len, client * ns) 451SetUp (char *buf, int len, client * ns)
353{ 452{
354 int s, slen; 453 INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
355 char *cmd, *param, cmdback[HUGE_BUF];
356
357 /* run through the cmds of setup
358 * syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
359 *
360 * we send the status of the cmd back, or a FALSE is the cmd is the server unknown
361 * The client then must sort this out
362 */
363
364 //LOG (llevInfo, "Get SetupCmd:: %s\n", buf);
365
366 strcpy (cmdback, "setup");
367 for (s = 0; s < len; )
368 {
369 cmd = &buf[s];
370
371 /* find the next space, and put a null there */
372 for (; buf[s] && buf[s] != ' '; s++)
373 ;
374
375 buf[s++] = 0;
376
377 while (buf[s] == ' ')
378 s++;
379
380 if (s >= len)
381 break;
382
383 param = &buf[s];
384
385 for (; buf[s] && buf[s] != ' '; s++)
386 ;
387
388 buf[s++] = 0;
389
390 while (buf[s] == ' ')
391 s++;
392
393 slen = strlen (cmdback);
394 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
395 safe_strcat (cmdback, cmd, &slen, HUGE_BUF);
396 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
397
398 if (!strcmp (cmd, "sound"))
399 {
400 ns->sound = atoi (param);
401 safe_strcat (cmdback, param, &slen, HUGE_BUF);
402 }
403 else if (!strcmp (cmd, "exp64"))
404 {
405 ns->exp64 = atoi (param);
406 safe_strcat (cmdback, param, &slen, HUGE_BUF);
407 }
408 else if (!strcmp (cmd, "spellmon"))
409 {
410 ns->monitor_spells = atoi (param);
411 safe_strcat (cmdback, param, &slen, HUGE_BUF);
412 }
413 else if (!strcmp (cmd, "darkness"))
414 {
415 ns->darkness = atoi (param);
416 safe_strcat (cmdback, param, &slen, HUGE_BUF);
417 }
418 else if (!strcmp (cmd, "map1cmd"))
419 {
420 if (atoi (param))
421 ns->mapmode = Map1Cmd;
422 /* if beyond this size, need to use map1cmd no matter what */
423 if (ns->mapx > 11 || ns->mapy > 11)
424 ns->mapmode = Map1Cmd;
425 safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF);
426 }
427 else if (!strcmp (cmd, "map1acmd"))
428 {
429 if (atoi (param))
430 ns->mapmode = Map1aCmd;
431 /* if beyond this size, need to use map1acmd no matter what */
432 if (ns->mapx > 11 || ns->mapy > 11)
433 ns->mapmode = Map1aCmd;
434 safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF);
435 }
436 else if (!strcmp (cmd, "newmapcmd"))
437 {
438 ns->newmapcmd = atoi (param);
439 safe_strcat (cmdback, param, &slen, HUGE_BUF);
440// } else if (!strcmp(cmd,"plugincmd")) {
441// ns->plugincmd = atoi(param);
442// safe_strcat(cmdback, param, &slen, HUGE_BUF);
443 }
444 else if (!strcmp (cmd, "mapinfocmd"))
445 {
446 ns->mapinfocmd = atoi (param);
447 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
448 }
449 else if (!strcmp (cmd, "extcmd"))
450 {
451 ns->extcmd = atoi (param);
452 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
453 }
454 else if (!strcmp (cmd, "extmap"))
455 {
456 ns->extmap = atoi (param);
457 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
458 }
459 else if (!strcmp (cmd, "facecache"))
460 {
461 ns->facecache = atoi (param);
462 safe_strcat (cmdback, param, &slen, HUGE_BUF);
463 }
464 else if (!strcmp (cmd, "faceset"))
465 {
466 char tmpbuf[20];
467 int q = atoi (param);
468
469 if (is_valid_faceset (q))
470 ns->faceset = q;
471 sprintf (tmpbuf, "%d", ns->faceset);
472 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
473 /* if the client is using faceset, it knows about image2 command */
474 ns->image2 = 1;
475 }
476 else if (!strcmp (cmd, "itemcmd"))
477 {
478 /* Version of the item protocol command to use. Currently,
479 * only supported versions are 1 and 2. Using a numeric
480 * value will make it very easy to extend this in the future.
481 */
482 char tmpbuf[20];
483 int q = atoi (param);
484
485 if (q < 1 || q > 2)
486 {
487 strcpy (tmpbuf, "FALSE");
488 }
489 else
490 {
491 ns->itemcmd = q;
492 sprintf (tmpbuf, "%d", ns->itemcmd);
493 }
494 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
495 }
496 else if (!strcmp (cmd, "mapsize"))
497 {
498 int x, y = 0;
499 char tmpbuf[MAX_BUF], *cp;
500
501 x = atoi (param);
502 for (cp = param; *cp != 0; cp++)
503 if (*cp == 'x' || *cp == 'X')
504 {
505 y = atoi (cp + 1);
506 break;
507 }
508 if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y)
509 {
510 sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
511 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
512 }
513 else
514 {
515 ns->mapx = x;
516 ns->mapy = y;
517 /* better to send back what we are really using and not the
518 * param as given to us in case it gets parsed differently.
519 */
520 sprintf (tmpbuf, "%dx%d", x, y);
521 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
522 /* If beyond this size and still using orig map command, need to
523 * go to map1cmd.
524 */
525 if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd)
526 ns->mapmode = Map1Cmd;
527 }
528 }
529 else if (!strcmp (cmd, "extendedMapInfos"))
530 {
531 /* Added by tchize
532 * prepare to use the mapextended command
533 */
534 char tmpbuf[20];
535
536 ns->ext_mapinfos = (atoi (param));
537 sprintf (tmpbuf, "%d", ns->ext_mapinfos);
538 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
539 }
540 else if (!strcmp (cmd, "extendedTextInfos"))
541 {
542 /* Added by tchize
543 * prepare to use the extended text commands
544 * Client toggle this to non zero to get exttext
545 */
546 char tmpbuf[20];
547
548 ns->has_readable_type = (atoi (param));
549 sprintf (tmpbuf, "%d", ns->has_readable_type);
550 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
551 }
552 else
553 {
554 /* Didn't get a setup command we understood -
555 * report a failure to the client.
556 */
557 safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF);
558 }
559 } /* for processing all the setup commands */
560
561 LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback);
562 ns->send_packet (cmdback);
563} 454}
564 455
565/** 456/**
566 * The client has requested to be added to the game. 457 * The client has requested to be added to the game.
567 * This is what takes care of it. We tell the client how things worked out. 458 * This is what takes care of it. We tell the client how things worked out.
568 * I am not sure if this file is the best place for this function. however, 459 * I am not sure if this file is the best place for this function. however,
569 * it either has to be here or init_sockets needs to be exported. 460 * it either has to be here or init_sockets needs to be exported.
570 */ 461 */
571void 462void
572AddMeCmd (char *buf, int len, client * ns) 463AddMeCmd (char *buf, int len, client *ns)
573{ 464{
574 if (ns->status != Ns_Add || add_player (ns)) 465 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
575 ns->send_packet ("addme_failed");
576 else
577 ns->send_packet ("addme_success");
578} 466}
579 467
580/** Reply to ExtendedInfos command */ 468//+GPL
581void
582ToggleExtendedInfos (char *buf, int len, client * ns)
583{
584 char cmdback[MAX_BUF];
585 char command[50];
586 int info, nextinfo;
587
588 cmdback[0] = '\0';
589 nextinfo = 0;
590
591 while (1)
592 {
593 /* 1. Extract an info */
594 info = nextinfo;
595
596 while ((info < len) && (buf[info] == ' '))
597 info++;
598
599 if (info >= len)
600 break;
601
602 nextinfo = info + 1;
603
604 while ((nextinfo < len) && (buf[nextinfo] != ' '))
605 nextinfo++;
606
607 if (nextinfo - info >= 49) /*Erroneous info asked */
608 continue;
609
610 strncpy (command, &(buf[info]), nextinfo - info);
611
612 /* 2. Interpret info */
613 if (!strcmp ("smooth", command))
614 /* Toggle smoothing */
615 ns->EMI_smooth = !ns->EMI_smooth;
616 else
617 /*bad value */;
618
619 /*3. Next info */
620 }
621
622 strcpy (cmdback, "ExtendedInfoSet");
623
624 if (ns->EMI_smooth)
625 {
626 strcat (cmdback, " ");
627 strcat (cmdback, "smoothing");
628 }
629
630 ns->send_packet (cmdback);
631}
632
633/*
634#define MSG_TYPE_BOOK 1
635#define MSG_TYPE_CARD 2
636#define MSG_TYPE_PAPER 3
637#define MSG_TYPE_SIGN 4
638#define MSG_TYPE_MONUMENT 5
639#define MSG_TYPE_SCRIPTED_DIALOG 6*/
640
641/** Reply to ExtendedInfos command */
642void
643ToggleExtendedText (char *buf, int len, client * ns)
644{
645 char cmdback[MAX_BUF];
646 char temp[10];
647 char command[50];
648 int info, nextinfo, i, flag;
649
650 cmdback[0] = '\0';
651
652 nextinfo = 0;
653 while (1)
654 {
655 /* 1. Extract an info */
656 info = nextinfo;
657
658 while ((info < len) && (buf[info] == ' '))
659 info++;
660
661 if (info >= len)
662 break;
663
664 nextinfo = info + 1;
665
666 while ((nextinfo < len) && (buf[nextinfo] != ' '))
667 nextinfo++;
668
669 if (nextinfo - info >= 49) /*Erroneous info asked */
670 continue;
671
672 strncpy (command, &(buf[info]), nextinfo - info);
673 command[nextinfo - info] = '\0';
674 /* 2. Interpret info */
675 i = sscanf (command, "%d", &flag);
676
677 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
678 ns->supported_readables |= (1 << flag);
679 /*3. Next info */
680 }
681
682 /* Send resulting state */
683 strcpy (cmdback, "ExtendedTextSet");
684
685 for (i = 0; i <= MSG_TYPE_LAST; i++)
686 if (ns->supported_readables & (1 << i))
687 {
688 strcat (cmdback, " ");
689 snprintf (temp, sizeof (temp), "%d", i);
690 strcat (cmdback, temp);
691 }
692
693 ns->send_packet (cmdback);
694}
695
696/**
697 * A lot like the old AskSmooth (in fact, now called by AskSmooth).
698 * Basically, it makes no sense to wait for the client to request a
699 * a piece of data from us that we know the client wants. So
700 * if we know the client wants it, might as well push it to the
701 * client.
702 */
703static void
704SendSmooth (client *ns, uint16 face)
705{
706 uint16 smoothface;
707
708 /* If we can't find a face, return and set it so we won't try to send this
709 * again.
710 */
711 if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface)))
712 {
713
714 LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name);
715 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
716 return;
717 }
718
719 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
720 esrv_send_face (ns, smoothface, 0);
721
722 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
723
724 packet sl;
725
726 sl << "smooth "
727 << uint16 (face)
728 << uint16 (smoothface);
729
730 ns->send_packet (sl);
731}
732
733 /**
734 * Tells client the picture it has to use
735 * to smooth a picture number given as argument.
736 */
737void
738AskSmooth (char *buf, int len, client *ns)
739{
740 SendSmooth (ns, atoi (buf));
741}
742 469
743/** 470/**
744 * This handles the general commands from the client (ie, north, fire, cast, 471 * This handles the general commands from the client (ie, north, fire, cast,
745 * etc.) 472 * etc.)
746 */ 473 */
… …
759 return; 486 return;
760 487
761 buf++; 488 buf++;
762 } 489 }
763 490
764 execute_newserver_command (pl->ob, (char *) buf); 491 execute_newserver_command (pl->ob, (char *)buf);
765 492
766 /* Perhaps something better should be done with a left over count. 493 /* Perhaps something better should be done with a left over count.
767 * Cleaning up the input should probably be done first - all actions 494 * Cleaning up the input should probably be done first - all actions
768 * for the command that issued the count should be done before any other 495 * for the command that issued the count should be done before any other
769 * commands. 496 * commands.
770 */ 497 */
771 pl->count = 0; 498 pl->count = 0;
772} 499}
773 500
774
775/** 501/**
776 * This handles the general commands from the client (ie, north, fire, cast, 502 * This handles the general commands from the client (ie, north, fire, cast,
777 * etc.). It is a lot like PlayerCmd above, but is called with the 503 * etc.). It is a lot like PlayerCmd above, but is called with the
778 * 'ncom' method which gives more information back to the client so it 504 * 'ncom' method which gives more information back to the client so it
779 * can throttle. 505 * can throttle.
… …
781void 507void
782NewPlayerCmd (char *buf, int len, player *pl) 508NewPlayerCmd (char *buf, int len, player *pl)
783{ 509{
784 if (len <= 6) 510 if (len <= 6)
785 { 511 {
786 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 512 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
787 return; 513 return;
788 } 514 }
789 515
790 uint16 cmdid = net_uint16 ((uint8 *)buf); 516 uint16 cmdid = net_uint16 ((uint8 *)buf);
791 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 517 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
… …
804 * commands. 530 * commands.
805 */ 531 */
806 pl->count = 0; 532 pl->count = 0;
807 533
808 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 534 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
809 int time = FABS (pl->ob->speed) < 0.001 535 int time = pl->ob->has_active_speed ()
810 ? time = MAX_TIME * 100
811 : time = (int) (MAX_TIME / FABS (pl->ob->speed)); 536 ? (int) (MAX_TIME / pl->ob->speed)
537 : MAX_TIME * 100;
812 538
813 /* Send confirmation of command execution now */ 539 /* Send confirmation of command execution now */
814 packet sl; 540 packet sl ("comc");
815 sl << "comc " << uint16 (cmdid) << uint32 (time); 541 sl << uint16 (cmdid) << uint32 (time);
816 pl->socket->send_packet (sl); 542 pl->ns->send_packet (sl);
817} 543}
818
819 544
820/** This is a reply to a previous query. */ 545/** This is a reply to a previous query. */
821void 546void
822ReplyCmd (char *buf, int len, player *pl) 547ReplyCmd (char *buf, int len, client *ns)
823{ 548{
549 if (ns->state == ST_CUSTOM)
550 {
551 INVOKE_CLIENT (REPLY, ns, ARG_DATA (buf, len));
552 return;
553 }
554
555 if (!ns->pl)
556 return; //TODO: depends on the exact reply we are after
557 //TODO: but right now, we always have a ns->pl
558
559 player *pl = ns->pl;
560
824 /* This is to synthesize how the data would be stored if it 561 /* This is to synthesize how the data would be stored if it
825 * was normally entered. A bit of a hack, and should be cleaned up 562 * was normally entered. A bit of a hack, and should be cleaned up
826 * once all the X11 code is removed from the server. 563 * once all the X11 code is removed from the server.
827 * 564 *
828 * We pass 13 to many of the functions because this way they 565 * We pass 13 to many of the functions because this way they
… …
831 */ 568 */
832 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf); 569 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);
833 570
834 /* this avoids any hacking here */ 571 /* this avoids any hacking here */
835 572
836 switch (pl->state) 573 switch (ns->state)
837 { 574 {
838 case ST_PLAYING: 575 case ST_PLAYING:
839 LOG (llevError, "Got reply message with ST_PLAYING input state\n"); 576 LOG (llevError, "Got reply message with ST_PLAYING input state\n");
840 break; 577 break;
841 578
842 case ST_PLAY_AGAIN:
843 /* We can check this for return value (2==quit). Maybe we
844 * should, and do something appropriate?
845 */
846 receive_play_again (pl->ob, buf[0]);
847 break;
848
849 case ST_ROLL_STAT:
850 key_roll_stat (pl->ob, buf[0]);
851 break;
852
853 case ST_CHANGE_CLASS:
854
855 key_change_class (pl->ob, buf[0]);
856 break;
857
858 case ST_CONFIRM_QUIT:
859 key_confirm_quit (pl->ob, buf[0]);
860 break;
861
862 case ST_CONFIGURE:
863 LOG (llevError, "In client input handling, but into configure state\n");
864 pl->state = ST_PLAYING;
865 break;
866
867 case ST_GET_NAME:
868 receive_player_name (pl->ob, 13);
869 break;
870
871 case ST_GET_PASSWORD:
872 case ST_CONFIRM_PASSWORD:
873 receive_player_password (pl->ob, 13);
874 break;
875
876 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 579 case ST_GET_PARTY_PASSWORD: /* Get password for party */
877 receive_party_password (pl->ob, 13); 580 receive_party_password (pl->ob, 13);
878 break; 581 break;
879 582
880 default: 583 default:
881 LOG (llevError, "Unknown input state: %d\n", pl->state); 584 LOG (llevError, "Unknown input state: %d\n", ns->state);
882 } 585 }
883} 586}
884 587
885/** 588/**
886 * Client tells its version. If there is a mismatch, we close the 589 * Client tells its version info.
887 * socket. In real life, all we should care about is the client having
888 * something older than the server. If we assume the client will be
889 * backwards compatible, having it be a later version should not be a
890 * problem.
891 */ 590 */
892void 591void
893VersionCmd (char *buf, int len, client * ns) 592VersionCmd (char *buf, int len, client *ns)
894{ 593{
895 if (!buf) 594 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
896 {
897 LOG (llevError, "CS: received corrupted version command\n");
898 return;
899 }
900
901 ns->cs_version = atoi (buf);
902 ns->sc_version = ns->cs_version;
903
904 LOG (llevDebug, "connection from client <%s>\n", buf);
905
906
907 //TODO: should log here just for statistics
908
909 //if (VERSION_CS != ns->cs_version)
910 // unchecked;
911
912 char *cp = strchr (buf + 1, ' ');
913 if (!cp)
914 return;
915
916 ns->sc_version = atoi (cp);
917
918 //if (VERSION_SC != ns->sc_version)
919 // unchecked;
920
921 cp = strchr (cp + 1, ' ');
922
923 if (cp)
924 {
925 assign (ns->version, cp + 1);
926
927 if (ns->sc_version < 1026)
928 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
929 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
930 }
931} 595}
932 596
933/** sound related functions. */ 597/** sound related functions. */
934void 598void
935SetSound (char *buf, int len, client * ns) 599SetSound (char *buf, int len, client * ns)
936{ 600{
937 ns->sound = atoi (buf); 601 ns->sound = atoi (buf);
938} 602}
939 603
940/** client wants the map resent */ 604/** client wants the map resent */
941
942void 605void
943MapRedrawCmd (char *buf, int len, player *pl) 606MapRedrawCmd (char *buf, int len, player *pl)
944{ 607{
945/* This function is currently disabled; just clearing the map state results in 608/* This function is currently disabled; just clearing the map state results in
946 * display errors. It should clear the cache and send a newmap command. 609 * display errors. It should clear the cache and send a newmap command.
… …
954 * syntax is: move (to) (tag) (nrof) 617 * syntax is: move (to) (tag) (nrof)
955 */ 618 */
956void 619void
957MoveCmd (char *buf, int len, player *pl) 620MoveCmd (char *buf, int len, player *pl)
958{ 621{
959 int vals[3], i; 622 int to, tag, nrof;
960 623
961 /* A little funky here. We only cycle for 2 records, because 624 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
962 * we obviously are not going to find a space after the third
963 * record. Perhaps we should just replace this with a
964 * sscanf?
965 */
966 for (i = 0; i < 2; i++)
967 { 625 {
968 vals[i] = atoi (buf);
969
970 if (!(buf = strchr (buf, ' ')))
971 {
972 LOG (llevError, "Incomplete move command: %s\n", buf); 626 LOG (llevError, "Incomplete move command: %s\n", buf);
973 return; 627 return;
974 }
975
976 buf++;
977 } 628 }
978 629
979 vals[2] = atoi (buf); 630 esrv_move_object (pl->ob, to, tag, nrof);
980
981/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
982 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
983} 631}
984 632
985/****************************************************************************** 633/******************************************************************************
986 * 634 *
987 * Start of commands the server sends to the client. 635 * Start of commands the server sends to the client.
… …
991/** 639/**
992 * Asks the client to query the user. This way, the client knows 640 * Asks the client to query the user. This way, the client knows
993 * it needs to send something back (vs just printing out a message) 641 * it needs to send something back (vs just printing out a message)
994 */ 642 */
995void 643void
996send_query (client *ns, uint8 flags, char *text) 644send_query (client *ns, uint8 flags, const char *text)
997{ 645{
998 ns->send_packet_printf ("query %d %s", flags, text ? text : ""); 646 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
647}
648
649/**
650 * Get player's current range attack in obuf.
651 */
652static void
653rangetostring (player *pl, char *obuf)
654{
655 dynbuf_text &buf = msg_dynbuf; buf.clear ();
656
657#if 0
658 // print ranged/chosen_skill etc. objects every call
659 printf ("%s %s => %s (%s)\n",
660 pl->ranged_ob ? &pl->ranged_ob->name : "-",
661 pl->combat_ob ? &pl->combat_ob->name : "-",
662 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
663 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
664 );
665#endif
666
667 if (pl->ranged_ob)
668 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
669
670 if (pl->combat_ob)
671 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
672
673#if 0
674 //TODO: remove this when slot system is working, this is only for debugging
675 if (pl->ob->chosen_skill)
676 buf << " Skill*: " << pl->ob->chosen_skill->name;
677#endif
678
679 //TODO: maybe golem should become the current_weapon, quite simply?
680 if (pl->golem)
681 buf << " Golem*: " << pl->golem->name;
682
683 buf << '\0';
684 buf.linearise (obuf);
999} 685}
1000 686
1001#define AddIfInt64(Old,New,Type) if (Old != New) {\ 687#define AddIfInt64(Old,New,Type) if (Old != New) {\
1002 Old = New; \ 688 Old = New; \
1003 sl << uint8 (Type) << uint64 (New); \ 689 sl << uint8 (Type) << uint64 (New); \
… …
1011#define AddIfShort(Old,New,Type) if (Old != New) {\ 697#define AddIfShort(Old,New,Type) if (Old != New) {\
1012 Old = New; \ 698 Old = New; \
1013 sl << uint8 (Type) << uint16 (New); \ 699 sl << uint8 (Type) << uint16 (New); \
1014 } 700 }
1015 701
1016#define AddIfFloat(Old,New,Type) if (Old != New) {\ 702#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
1017 Old = New; \ 703 Old = New; \
1018 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ 704 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
1019 } 705 }
1020 706
1021#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 707#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
1022 free(Old); Old = strdup (New);\ 708 free(Old); Old = strdup (New);\
1023 sl << uint8 (Type) << data8 (New); \ 709 sl << uint8 (Type) << data8 (New); \
… …
1030 * commands for now. 716 * commands for now.
1031 */ 717 */
1032void 718void
1033esrv_update_stats (player *pl) 719esrv_update_stats (player *pl)
1034{ 720{
1035 char buf[MAX_BUF]; 721 client *ns = pl->ns;
1036 uint16 flags; 722 if (!ns)
723 return;
1037 724
1038 packet sl; 725 object *ob = pl->observe;
1039 sl << "stats ";
1040
1041 if (pl->ob) 726 if (!ob)
1042 { 727 return;
728
729 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
730
731 packet sl ("stats");
732
1043 AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); 733 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1044 AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); 734 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
1045 AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); 735 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
1046 AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); 736 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
1047 AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); 737 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
1048 AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); 738 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
1049 AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); 739 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
1050 AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT);
1051 AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW);
1052 AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS);
1053 AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); 740 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
1054 AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON); 741 AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
742 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
743 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
744 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
1055 AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); 745 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1056 }
1057 746
1058 if (pl->socket->exp64)
1059 for (int s = 0; s < NUM_SKILLS; s++) 747 for (int s = 0; s < CS_NUM_SKILLS; s++)
1060 if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp) 748 if (object *skill = opl->last_skill_ob [s])
749 if (skill->stats.exp != ns->last_skill_exp [s])
1061 { 750 {
751 ns->last_skill_exp [s] = skill->stats.exp;
752
1062 /* Always send along the level if exp changes. This is only 753 /* Always send along the level if exp changes. This is only
1063 * 1 extra byte, but keeps processing simpler. 754 * 1 extra byte, but keeps processing simpler.
1064 */ 755 */
1065 sl << uint8 (s + CS_STAT_SKILLINFO) 756 sl << uint8 (CS_STAT_SKILLINFO + s)
1066 << uint8 (pl->last_skill_ob[s]->level) 757 << uint8 (skill->level)
1067 << uint64 (pl->last_skill_ob[s]->stats.exp); 758 << uint64 (skill->stats.exp);
1068
1069 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1070 } 759 }
1071 760
1072 if (pl->socket->exp64)
1073 { AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64) } 761 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1074 else
1075 { AddIfInt (pl->last_stats.exp, (int) pl->ob->stats.exp, CS_STAT_EXP) }
1076
1077 AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL); 762 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1078 AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); 763 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1079 AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); 764 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1080 AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); 765 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1081 AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED); 766 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
1082 AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); 767 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1083 AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 768 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
1084 AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM); 769 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
1085 flags = 0;
1086 770
1087 if (pl->fire_on) 771 int flags = (opl->fire_on ? SF_FIREON : 0)
1088 flags |= SF_FIREON; 772 | (opl->run_on ? SF_RUNON : 0);
1089 773
1090 if (pl->run_on)
1091 flags |= SF_RUNON;
1092
1093 AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS); 774 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1094 775
1095 if (pl->socket->sc_version < 1025)
1096 { AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1097 else
1098 for (int i = 0; i < NROFATTACKS; i++) 776 for (int i = 0; i < NROFATTACKS; i++)
1099 {
1100 /* Skip ones we won't send */ 777 /* Skip ones we won't send */
1101 if (atnr_cs_stat[i] == -1) 778 if (atnr_cs_stat[i] >= 0)
1102 continue;
1103
1104 AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]); 779 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1105 }
1106 780
1107 if (pl->socket->monitor_spells) 781 if (pl->ns->monitor_spells)
1108 { 782 {
1109 AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE); 783 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1110 AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL); 784 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1111 AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY); 785 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1112 } 786 }
1113 787
788 char buf[MAX_BUF];
1114 rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */ 789 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
1115 AddIfString (pl->socket->stats.range, buf, CS_STAT_RANGE); 790 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1116 set_title (pl->ob, buf); 791 set_title (ob, buf);
1117 AddIfString (pl->socket->stats.title, buf, CS_STAT_TITLE); 792 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1118 793
1119 /* Only send it away if we have some actual data */ 794 /* Only send it away if we have some actual data */
1120 if (sl.length () > 6) 795 if (sl.length () > 6)
1121 pl->socket->send_packet (sl); 796 ns->send_packet (sl);
1122} 797}
1123 798
1124/** 799/**
1125 * Tells the client that here is a player it should start using. 800 * Tells the client that here is a player it should start using.
1126 */ 801 */
1127void 802void
1128esrv_new_player (player *pl, uint32 weight) 803esrv_new_player (player *pl)
1129{ 804{
1130 pl->last_weight = weight; 805 sint32 weight = pl->ob->client_weight ();
1131 806
1132 packet sl; 807 packet sl ("player");
1133 sl << "player ";
1134 808
1135 sl << uint32 (pl->ob->count) 809 sl << uint32 (pl->ob->count)
1136 << uint32 (weight) 810 << uint32 (weight)
1137 << uint32 (pl->ob->face->number) 811 << uint32 (pl->ob->face)
1138 << data8 (pl->ob->name); 812 << data8 (pl->ob->name);
1139 813
1140 pl->socket->send_packet (sl); 814 pl->ns->last_weight = weight;
1141 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1142}
1143
1144/**
1145 * Need to send an animation sequence to the client.
1146 * We will send appropriate face commands to the client if we haven't
1147 * sent them the face yet (this can become quite costly in terms of
1148 * how much we are sending - on the other hand, this should only happen
1149 * when the player logs in and picks stuff up.
1150 */
1151void
1152esrv_send_animation (client * ns, short anim_num)
1153{
1154 /* Do some checking on the anim_num we got. Note that the animations
1155 * are added in contigous order, so if the number is in the valid
1156 * range, it must be a valid animation.
1157 */
1158 if (anim_num < 0 || anim_num > num_animations)
1159 {
1160 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
1161 return;
1162 }
1163
1164 packet sl;
1165
1166 sl << "anim "
1167 << uint16 (anim_num)
1168 << uint16 (0); /* flags - not used right now */
1169
1170 /* Build up the list of faces. Also, send any information (ie, the
1171 * the face itself) down to the client.
1172 */
1173 for (int i = 0; i < animations[anim_num].num_animations; i++)
1174 {
1175 if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1176 esrv_send_face (ns, animations[anim_num].faces[i], 0);
1177
1178 sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
1179 }
1180
1181 ns->send_packet (sl); 815 pl->ns->send_packet (sl);
1182
1183 ns->anims_sent[anim_num] = 1;
1184} 816}
1185
1186 817
1187/****************************************************************************** 818/******************************************************************************
1188 * 819 *
1189 * Start of map related commands. 820 * Start of map related commands.
1190 * 821 *
1191 ******************************************************************************/ 822 ******************************************************************************/
1192 823
1193/**
1194 * This adds face_num to a map cell at x,y. If the client doesn't have
1195 * the face yet, we will also send it.
1196 */
1197static void
1198esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap)
1199{
1200 if (newmap->cells[x][y].count >= MAP_LAYERS)
1201 {
1202 //TODO: one or the other, can't both have abort and return, verify and act
1203 LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1204 return;
1205 abort ();
1206 }
1207
1208 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1209 newmap->cells[x][y].count++;
1210
1211 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1212 esrv_send_face (ns, face_num, 0);
1213}
1214
1215/** Clears a map cell */ 824/** Clears a map cell */
1216static void 825static void
1217map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) 826map_clearcell (struct MapCell *cell, int count)
1218{ 827{
1219 cell->faces[0] = face0; 828 cell->faces[0] = 0;
1220 cell->faces[1] = face1; 829 cell->faces[1] = 0;
1221 cell->faces[2] = face2; 830 cell->faces[2] = 0;
831 cell->smooth[0] = 0;
832 cell->smooth[1] = 0;
833 cell->smooth[2] = 0;
1222 cell->count = count; 834 cell->count = count;
1223 cell->stat_hp = 0; 835 cell->stat_hp = 0;
1224 cell->flags = 0; 836 cell->flags = 0;
1225 cell->player = 0; 837 cell->player = 0;
1226} 838}
1227 839
1228#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1229#define MAX_LAYERS 3 840#define MAX_LAYERS 3
1230
1231/* Using a global really isn't a good approach, but saves the over head of
1232 * allocating and deallocating such a block of data each time run through,
1233 * and saves the space of allocating this in the socket object when we only
1234 * need it for this cycle. If the server is ever threaded, this needs to be
1235 * re-examined.
1236 */
1237static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1238
1239/**
1240 * Returns true if any of the heads for this
1241 * space is set. Returns false if all are blank - this is used
1242 * for empty space checking.
1243 */
1244static inline int
1245have_head (int ax, int ay)
1246{
1247 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1248 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1249 return 1;
1250
1251 return 0;
1252}
1253
1254/**
1255 * check_head is a bit simplistic version of update_space below.
1256 * basically, it only checks the that the head on space ax,ay at layer
1257 * needs to get sent - if so, it adds the data, sending the head
1258 * if needed, and returning 1. If this no data needs to get
1259 * sent, it returns zero.
1260 */
1261static int
1262check_head (packet &sl, client &ns, int ax, int ay, int layer)
1263{
1264 short face_num;
1265
1266 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1267 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1268 else
1269 face_num = 0;
1270
1271 if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1272 {
1273 sl << uint16 (face_num);
1274 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1275 esrv_send_face (&ns, face_num, 0);
1276
1277 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1278 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1279 return 1;
1280 }
1281
1282 return 0; /* No change */
1283}
1284 841
1285/** 842/**
1286 * Removes the need to replicate the same code for each layer. 843 * Removes the need to replicate the same code for each layer.
1287 * this returns true if this space is now in fact different than 844 * this returns true if this space is now in fact different than
1288 * it was. 845 * it was.
1289 * sl is the socklist this data is going into. 846 * sl is the socklist this data is going into.
1290 * ns is the socket we are working on - all the info we care 847 * ns is the socket we are working on - all the info we care
1291 * about is in this socket structure, so now need not pass the 848 * about is in this socket structure, so now need not pass the
1292 * entire player object. 849 * entire player object.
1293 * mx and my are map coordinate offsets for map mp
1294 * sx and sy are the offsets into the socket structure that
1295 * holds the old values.
1296 * layer is the layer to update, with 2 being the floor and 0 the 850 * layer is the layer to update, with 2 being the floor and 0 the
1297 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) 851 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)
1298 * take. Interesting to note that before this function, the map1 function 852 * take. Interesting to note that before this function, the map1 function
1299 * numbers the spaces differently - I think this was a leftover from 853 * numbers the spaces differently - I think this was a leftover from
1300 * the map command, where the faces stack up. Sinces that is no longer 854 * the map command, where the faces stack up. Sinces that is no longer
1301 * the case, it seems to make more sense to have these layer values 855 * the case, it seems to make more sense to have these layer values
1302 * actually match. 856 * actually match.
1303 */ 857 */
1304static int 858static int
1305update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) 859update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer)
1306{ 860{
1307 object *ob, *head; 861 object *ob = ms.faces_obj [layer];
1308 uint16 face_num;
1309 int bx, by, i;
1310
1311 /* If there is a multipart object stored away, treat that as more important.
1312 * If not, then do the normal processing.
1313 */
1314 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1315
1316 /* Check to see if this head is part of the set of objects
1317 * we would normally send for this space. If so, then
1318 * don't use the head value. We need to do the check
1319 * here and not when setting up the heads[] value for two reasons -
1320 * 1) the heads[] values will get used even if the space is not visible.
1321 * 2) its possible the head is not on the same map as a part, and I'd
1322 * rather not need to do the map translation overhead.
1323 * 3) We need to do some extra checking to make sure that we will
1324 * otherwise send the image as this layer, eg, either it matches
1325 * the head value, or is not multipart.
1326 */
1327 if (head && !head->more)
1328 {
1329 for (i = 0; i < MAP_LAYERS; i++)
1330 {
1331 ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1332 if (!ob)
1333 continue;
1334
1335 if (ob->head)
1336 ob = ob->head;
1337
1338 if (ob == head)
1339 {
1340 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1341 head = NULL;
1342 break;
1343 }
1344 }
1345 }
1346
1347 ob = head;
1348 if (!ob)
1349 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1350 862
1351 /* If there is no object for this space, or if the face for the object 863 /* If there is no object for this space, or if the face for the object
1352 * is the blank face, set the face number to zero. 864 * is the blank face, set the face number to zero.
1353 * else if we have the stored head object for this space, that takes 865 * else if we have the stored head object for this space, that takes
1354 * precedence over the other object for this space. 866 * precedence over the other object for this space.
1355 * otherwise, we do special head processing 867 * otherwise, we do special head processing
1356 */ 868 */
1357 if (!ob || ob->face == blank_face) 869 uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
1358 face_num = 0;
1359 else if (head)
1360 {
1361 /* if this is a head that had previously been stored */
1362 face_num = ob->face->number;
1363 }
1364 else
1365 {
1366 /* if the faces for the different parts of a multipart object
1367 * are the same, we only want to send the bottom right most
1368 * portion of the object. That info is in the tail_.. values
1369 * of the head. Note that for the head itself, ob->head will
1370 * be null, so we only do this block if we are working on
1371 * a tail piece.
1372 */
1373
1374 /* tail_x and tail_y will only be set in the head object. If
1375 * this is the head object and these are set, we proceed
1376 * with logic to only send bottom right. Similarly, if
1377 * this is one of the more parts but the head has those values
1378 * set, we want to do the processing. There can be cases where
1379 * the head is not visible but one of its parts is, so we just
1380 * can always expect that ob->arch->tail_x will be true for all
1381 * object we may want to display.
1382 */
1383 if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1384 {
1385
1386 if (ob->head)
1387 head = ob->head;
1388 else
1389 head = ob;
1390
1391 /* Basically figure out where the offset is from where we are right
1392 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1393 * piece is from the head, and the tail is where the tail is from the
1394 * head. Note that bx and by will equal sx and sy if we are already working
1395 * on the bottom right corner. If ob is the head, the clone values
1396 * will be zero, so the right thing will still happen.
1397 */
1398 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1399 by = sy + head->arch->tail_y - ob->arch->clone.y;
1400
1401 /* I don't think this can ever happen, but better to check for it just
1402 * in case.
1403 */
1404 if (bx < sx || by < sy)
1405 {
1406 LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1407 face_num = 0;
1408 }
1409 /* single part object, multipart object with non merged faces,
1410 * of multipart object already at lower right.
1411 */
1412 else if (bx == sx && by == sy)
1413 {
1414 face_num = ob->face->number;
1415
1416 /* if this face matches one stored away, clear that one away.
1417 * this code relies on the fact that the map1 commands
1418 * goes from 2 down to 0.
1419 */
1420 for (i = 0; i < MAP_LAYERS; i++)
1421 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1422 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1423 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1424 }
1425 else
1426 {
1427 /* If this head is stored away, clear it - otherwise,
1428 * there can be cases where a object is on multiple layers -
1429 * we only want to send it once.
1430 */
1431 face_num = head->face->number;
1432 for (i = 0; i < MAP_LAYERS; i++)
1433 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1434 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1435 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1436
1437 /* First, try to put the new head on the same layer. If that is used up,
1438 * then find another layer.
1439 */
1440 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1441 {
1442 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1443 }
1444 else
1445 for (i = 0; i < MAX_LAYERS; i++)
1446 {
1447 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1448 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1449 {
1450 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1451 }
1452 }
1453 face_num = 0; /* Don't send this object - we'll send the head later */
1454 }
1455 }
1456 else
1457 {
1458 /* In this case, we are already at the lower right or single part object,
1459 * so nothing special
1460 */
1461 face_num = ob->face->number;
1462
1463 /* clear out any head entries that have the same face as this one */
1464 for (bx = 0; bx < layer; bx++)
1465 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1466 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1467 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1468 }
1469 } /* else not already head object or blank face */
1470
1471 /* This is a real hack. Basically, if we have nothing to send for this layer,
1472 * but there is a head on the next layer, send that instead.
1473 * Without this, what happens is you can get the case where the player stands
1474 * on the same space as the head. However, if you have overlapping big objects
1475 * of the same type, what happens then is it doesn't think it needs to send
1476 * This tends to make stacking also work/look better.
1477 */
1478 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1479 {
1480 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1481 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1482 }
1483
1484 /* Another hack - because of heads and whatnot, this face may match one
1485 * we already sent for a lower layer. In that case, don't send
1486 * this one.
1487 */
1488 if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1489 face_num = 0;
1490 870
1491 /* We've gotten what face we want to use for the object. Now see if 871 /* We've gotten what face we want to use for the object. Now see if
1492 * if it has changed since we last sent it to the client. 872 * if it has changed since we last sent it to the client.
1493 */ 873 */
1494 if (ns.lastmap.cells[sx][sy].faces[layer] != face_num) 874 if (lastcell.faces[layer] != face_num)
1495 { 875 {
1496 ns.lastmap.cells[sx][sy].faces[layer] = face_num; 876 lastcell.faces[layer] = face_num;
877
1497 if (!(ns.faces_sent[face_num] & NS_FACESENT_FACE)) 878 if (!ns.faces_sent[face_num])
879 if (ob)
880 ns.send_faces (ob);
881 else
1498 esrv_send_face (&ns, face_num, 0); 882 ns.send_face (face_num, 10);
1499 883
1500 sl << uint16 (face_num); 884 sl << uint16 (face_num);
1501 return 1; 885 return 1;
1502 } 886 }
1503 887
1504 /* Nothing changed */ 888 /* Nothing changed */
1505 return 0; 889 return 0;
1506} 890}
1507 891
1508/** 892//-GPL
1509 * This function is mainly a copy of update_space,
1510 * except it handles update of the smoothing updates,
1511 * not the face updates.
1512 * Removes the need to replicate the same code for each layer.
1513 * this returns true if this smooth is now in fact different
1514 * than it was.
1515 * sl is the socklist this data is going into.
1516 * ns is the socket we are working on - all the info we care
1517 * about is in this socket structure, so know need to pass the
1518 * entire player object.
1519 * mx and my are map coordinate offsets for map mp
1520 * sx and sy are the offsets into the socket structure that
1521 * holds the old values.
1522 * layer is the layer to update, with 2 being the floor and 0 the
1523 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1524 * take.
1525 */
1526 893
1527static inline int 894// prefetch some flat area around the player
1528update_smooth (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) 895static void
896prefetch_surrounding_area (object *op, maptile *map, int range)
1529{ 897{
1530 object *ob; 898 for (maprect *rect = map->split_to_tiles (mapwalk_buf,
1531 int smoothlevel; /* old face_num; */ 899 op->x - range , op->y - range ,
1532 900 op->x + range + 1, op->y + range + 1);
1533 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer); 901 rect->m;
1534 902 ++rect)
1535 /* If there is no object for this space, or if the face for the object
1536 * is the blank face, set the smoothlevel to zero.
1537 */
1538 if (!ob || ob->face == blank_face || MAP_NOSMOOTH (mp))
1539 smoothlevel = 0;
1540 else
1541 {
1542 smoothlevel = ob->smoothlevel;
1543 if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1544 SendSmooth (&ns, ob->face->number);
1545 } /* else not already head object or blank face */
1546
1547 /* We've gotten what face we want to use for the object. Now see if
1548 * if it has changed since we last sent it to the client.
1549 */
1550 if (smoothlevel > 255)
1551 smoothlevel = 255;
1552 else if (smoothlevel < 0)
1553 smoothlevel = 0;
1554
1555 if (ns.lastmap.cells[sx][sy].smooth[layer] != smoothlevel)
1556 {
1557 ns.lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1558 sl << uint8 (smoothlevel);
1559 return 1;
1560 } 903 {
1561 904 rect->m->touch ();
1562 /* Nothing changed */ 905 rect->m->activate ();
1563 return 0;
1564}
1565
1566/**
1567 * Returns the size of a data for a map square as returned by
1568 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
1569 * available.
1570 */
1571int
1572getExtendedMapInfoSize (client * ns)
1573{
1574 int result = 0;
1575
1576 if (ns->ext_mapinfos)
1577 { 906 }
1578 if (ns->EMI_smooth)
1579 result += 1; /*One byte for smoothlevel */
1580 }
1581
1582 return result;
1583} 907}
1584 908
1585/** 909// prefetch a generous area around the player, also up and down
1586 * This function uses the new map1 protocol command to send the map
1587 * to the client. It is necessary because the old map command supports
1588 * a maximum map size of 15x15.
1589 * This function is much simpler than the old one. This is because
1590 * the old function optimized to send as few face identifiers as possible,
1591 * at the expense of sending more coordinate location (coordinates were
1592 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1593 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1594 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1595 * and use the other 4 bits for other informatiion. For full documentation
1596 * of what we send, see the doc/Protocol file.
1597 * I will describe internally what we do:
1598 * the socket->lastmap shows how the map last looked when sent to the client.
1599 * in the lastmap structure, there is a cells array, which is set to the
1600 * maximum viewable size (As set in config.h).
1601 * in the cells, there are faces and a count value.
1602 * we use the count value to hold the darkness value. If -1, then this space
1603 * is not viewable.
1604 * we use faces[0] faces[1] faces[2] to hold what the three layers
1605 * look like.
1606 */
1607void 910void
1608draw_client_map1 (object *pl) 911object::prefetch_surrounding_maps ()
1609{ 912{
1610 int x, y, ax, ay, d, startlen, max_x, max_y, oldlen; 913 prefetch_surrounding_area (this, map, 40);
1611 sint16 nx, ny;
1612 int estartlen, eoldlen;
1613 uint16 mask, emask;
1614 uint8 eentrysize;
1615 uint16 ewhatstart, ewhatflag;
1616 uint8 extendedinfos;
1617 maptile *m;
1618 914
1619 client &socket = *pl->contr->socket; 915 if (maptile *m = map->tile_available (TILE_DOWN))
916 prefetch_surrounding_area (this, m, 20);
1620 917
1621 check_map_change (pl->contr); 918 if (maptile *m = map->tile_available (TILE_UP))
1622 919 prefetch_surrounding_area (this, m, 20);
1623 packet sl;
1624 packet esl;
1625
1626 sl << (socket.mapmode == Map1Cmd ? "map1 " : "map1a ");
1627 startlen = sl.length ();
1628
1629 /*Extendedmapinfo structure initialisation */
1630 if (socket.ext_mapinfos)
1631 {
1632 extendedinfos = EMI_NOREDRAW;
1633
1634 if (socket.EMI_smooth)
1635 extendedinfos |= EMI_SMOOTH;
1636
1637 ewhatstart = esl.length ();
1638 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1639 could need to be taken away */
1640 eentrysize = getExtendedMapInfoSize (&socket);
1641 esl << "mapextended "
1642 << uint8 (extendedinfos)
1643 << uint8 (eentrysize);
1644
1645 estartlen = esl.length ();
1646 }
1647 else
1648 {
1649 /* suppress compiler warnings */
1650 ewhatstart = 0;
1651 ewhatflag = 0;
1652 estartlen = 0;
1653 }
1654
1655 /* Init data to zero */
1656 memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1657
1658 /* x,y are the real map locations. ax, ay are viewport relative
1659 * locations.
1660 */
1661 ay = 0;
1662
1663 /* We could do this logic as conditionals in the if statement,
1664 * but that started to get a bit messy to look at.
1665 */
1666 max_x = pl->x + (socket.mapx + 1) / 2;
1667 max_y = pl->y + (socket.mapy + 1) / 2;
1668
1669 if (socket.mapmode == Map1aCmd)
1670 {
1671 max_x += MAX_HEAD_OFFSET;
1672 max_y += MAX_HEAD_OFFSET;
1673 }
1674
1675 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1676 {
1677 ax = 0;
1678 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1679 {
1680
1681 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1682
1683 /* If this space is out of the normal viewable area, we only check
1684 * the heads value ax or ay will only be greater than what
1685 * the client wants if using the map1a command - this is because
1686 * if the map1a command is not used, max_x and max_y will be
1687 * set to lower values.
1688 */
1689 if (ax >= socket.mapx || ay >= socket.mapy)
1690 {
1691 int i, got_one;
1692
1693 oldlen = sl.length ();
1694
1695 sl << uint16 (mask);
1696
1697 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1698 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1699 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1700
1701 /* If all we are doing is sending 0 (blank) faces, we don't
1702 * actually need to send that - just the coordinates
1703 * with no faces tells the client to blank out the
1704 * space.
1705 */
1706 got_one = 0;
1707 for (i = oldlen + 2; i < sl.length (); i++)
1708 if (sl[i])
1709 got_one = 1;
1710
1711 if (got_one && (mask & 0xf))
1712 sl[oldlen + 1] = mask & 0xff;
1713 else
1714 { /*either all faces blank, either no face at all */
1715 if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */
1716 sl.reset (oldlen + 2);
1717 else
1718 sl.reset (oldlen);
1719 }
1720
1721 /*What concerns extendinfos, nothing to be done for now
1722 * (perhaps effects layer later)
1723 */
1724 continue; /* don't do processing below */
1725 }
1726
1727 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1728
1729 d = pl->contr->blocked_los[ax][ay];
1730
1731 /* If the coordinates are not valid, or it is too dark to see,
1732 * we tell the client as such
1733 */
1734 nx = x;
1735 ny = y;
1736 m = get_map_from_coord (pl->map, &nx, &ny);
1737
1738 if (!m)
1739 {
1740 /* space is out of map. Update space and clear values
1741 * if this hasn't already been done. If the space is out
1742 * of the map, it shouldn't have a head
1743 */
1744 if (lastcell.count != -1)
1745 {
1746 sl << uint16 (mask);
1747 map_clearcell (&lastcell, 0, 0, 0, -1);
1748 }
1749 }
1750 else if (d > 3)
1751 {
1752 int need_send = 0, count;
1753
1754 /* This block deals with spaces that are not visible for whatever
1755 * reason. Still may need to send the head for this space.
1756 */
1757
1758 oldlen = sl.length ();
1759
1760 sl << uint16 (mask);
1761
1762 if (lastcell.count != -1)
1763 need_send = 1;
1764
1765 count = -1;
1766
1767 if (socket.mapmode == Map1aCmd && have_head (ax, ay))
1768 {
1769 /* Now check to see if any heads need to be sent */
1770
1771 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1772 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1773 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1774
1775 lastcell.count = count;
1776 }
1777 else
1778 {
1779 /* properly clear a previously sent big face */
1780 if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0
1781 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1782 need_send = 1;
1783
1784 map_clearcell (&lastcell, 0, 0, 0, count);
1785 }
1786
1787 if ((mask & 0xf) || need_send)
1788 sl[oldlen + 1] = mask & 0xff;
1789 else
1790 sl.reset (oldlen);
1791 }
1792 else
1793 {
1794 /* In this block, the space is visible or there are head objects
1795 * we need to send.
1796 */
1797
1798 /* Rather than try to figure out what everything that we might
1799 * need to send is, then form the packet after that,
1800 * we presume that we will in fact form a packet, and update
1801 * the bits by what we do actually send. If we send nothing,
1802 * we just back out sl.length () to the old value, and no harm
1803 * is done.
1804 * I think this is simpler than doing a bunch of checks to see
1805 * what if anything we need to send, setting the bits, then
1806 * doing those checks again to add the real data.
1807 */
1808 oldlen = sl.length ();
1809 mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1810 eoldlen = esl.length ();
1811 emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1812 sl << uint16 (mask);
1813
1814 if (socket.ext_mapinfos)
1815 esl << uint16 (emask);
1816
1817 unsigned char dummy;
1818 unsigned char *last_ext = &dummy;
1819
1820 /* Darkness changed */
1821 if (lastcell.count != d && socket.darkness)
1822 {
1823 mask |= 0x8;
1824
1825 if (socket.extmap)
1826 {
1827 *last_ext |= 0x80;
1828 last_ext = &sl[sl.length ()];
1829 sl << uint8 (d);
1830 }
1831 else
1832 sl << uint8 (255 - 64 * d);
1833 }
1834
1835 lastcell.count = d;
1836
1837 if (socket.extmap)
1838 {
1839 uint8 stat_hp = 0;
1840 uint8 stat_width = 0;
1841 uint8 flags = 0;
1842 UUID player = 0;
1843
1844 // send hp information, if applicable
1845 if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0))
1846 {
1847 if (op->head || op->invisible)
1848 ; // do not show
1849 else if (op->type == PLAYER
1850 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1851 {
1852 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1853 {
1854 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1855 stat_width = op->arch->tail_x;
1856 }
1857 }
1858
1859 if (op->msg && op->msg[0] == '@')
1860 flags |= 1;
1861
1862 if (op->type == PLAYER && op != pl)
1863 player = op->count;
1864 }
1865
1866 if (lastcell.stat_hp != stat_hp)
1867 {
1868 lastcell.stat_hp = stat_hp;
1869
1870 mask |= 0x8;
1871 *last_ext |= 0x80;
1872 last_ext = &sl[sl.length ()];
1873
1874 sl << uint8 (5) << uint8 (stat_hp);
1875
1876 if (stat_width > 1)
1877 {
1878 *last_ext |= 0x80;
1879 last_ext = &sl[sl.length ()];
1880
1881 sl << uint8 (6) << uint8 (stat_width);
1882 }
1883 }
1884
1885 if (lastcell.player != player)
1886 {
1887 lastcell.player = player;
1888
1889 mask |= 0x8;
1890 *last_ext |= 0x80;
1891 last_ext = &sl[sl.length ()];
1892
1893 sl << uint8 (0x47) << uint8 (8) << (uint64)player;
1894 }
1895
1896 if (lastcell.flags != flags)
1897 {
1898 lastcell.flags = flags;
1899
1900 mask |= 0x8;
1901 *last_ext |= 0x80;
1902 last_ext = &sl[sl.length ()];
1903
1904 sl << uint8 (8) << uint8 (flags);
1905 }
1906 }
1907
1908 /* Floor face */
1909 if (update_space (sl, socket, m, nx, ny, ax, ay, 2))
1910 mask |= 0x4;
1911
1912 if (socket.EMI_smooth)
1913 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 2))
1914 emask |= 0x4;
1915
1916 /* Middle face */
1917 if (update_space (sl, socket, m, nx, ny, ax, ay, 1))
1918 mask |= 0x2;
1919
1920 if (socket.EMI_smooth)
1921 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1))
1922 emask |= 0x2;
1923
1924 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
1925 {
1926 if (lastcell.faces[0] != pl->face->number)
1927 {
1928 lastcell.faces[0] = pl->face->number;
1929 mask |= 0x1;
1930
1931 if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE))
1932 esrv_send_face (&socket, pl->face->number, 0);
1933
1934 sl << uint16 (pl->face->number);
1935 }
1936 }
1937 else
1938 {
1939 /* Top face */
1940 if (update_space (sl, socket, m, nx, ny, ax, ay, 0))
1941 mask |= 0x1;
1942
1943 if (socket.EMI_smooth)
1944 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 0))
1945 emask |= 0x1;
1946 }
1947
1948 /* Check to see if we are in fact sending anything for this
1949 * space by checking the mask. If so, update the mask.
1950 * if not, reset the len to that from before adding the mask
1951 * value, so we don't send those bits.
1952 */
1953 if (mask & 0xf)
1954 sl[oldlen + 1] = mask & 0xff;
1955 else
1956 sl.reset (oldlen);
1957
1958 if (emask & 0xf)
1959 esl[eoldlen + 1] = emask & 0xff;
1960 else
1961 esl.reset (eoldlen);
1962 } /* else this is a viewable space */
1963 } /* for x loop */
1964 } /* for y loop */
1965
1966 /* Verify that we in fact do need to send this */
1967 if (socket.ext_mapinfos)
1968 {
1969 if (!(sl.length () > startlen || socket.sent_scroll))
1970 {
1971 /* No map data will follow, so don't say the client
1972 * it doesn't need draw!
1973 */
1974 ewhatflag &= (~EMI_NOREDRAW);
1975 esl[ewhatstart + 1] = ewhatflag & 0xff;
1976 }
1977
1978 if (esl.length () > estartlen)
1979 socket.send_packet (esl);
1980 }
1981
1982 if (sl.length () > startlen || socket.sent_scroll)
1983 {
1984 socket.send_packet (sl);
1985 socket.sent_scroll = 0;
1986 }
1987} 920}
921
922//+GPL
1988 923
1989/** 924/**
1990 * Draws client map. 925 * Draws client map.
1991 */ 926 */
1992void 927void
1993draw_client_map (object *pl) 928draw_client_map (player *pl)
1994{ 929{
1995 int i, j; 930 object *ob = pl->viewpoint;
1996 sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ 931 if (!pl->observe->active)
1997 New_Face *face, *floor;
1998 New_Face *floor2;
1999 int d, mflags;
2000 struct Map newmap;
2001 maptile *m, *pm;
2002
2003 if (pl->type != PLAYER)
2004 {
2005 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
2006 return; 932 return;
2007 }
2008
2009 pm = pl->map;
2010 933
2011 /* If player is just joining the game, he isn't here yet, so the map 934 /* If player is just joining the game, he isn't here yet, so the map
2012 * can get swapped out. If so, don't try to send them a map. All will 935 * can get swapped out. If so, don't try to send them a map. All will
2013 * be OK once they really log in. 936 * be OK once they really log in.
2014 */ 937 */
2015 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY) 938 if (!ob->map || ob->map->state != MAP_ACTIVE)
2016 return; 939 return;
2017 940
2018 memset (&newmap, 0, sizeof (struct Map)); 941 int startlen, oldlen;
2019 942
2020 for (j = (pl->y - pl->contr->socket->mapy / 2); j < (pl->y + (pl->contr->socket->mapy + 1) / 2); j++) 943 check_map_change (pl);
2021 { 944 pl->ob->prefetch_surrounding_maps ();
2022 for (i = (pl->x - pl->contr->socket->mapx / 2); i < (pl->x + (pl->contr->socket->mapx + 1) / 2); i++)
2023 {
2024 ax = i;
2025 ay = j;
2026 m = pm;
2027 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
2028 945
2029 if (mflags & P_OUT_OF_MAP)
2030 continue;
2031
2032 if (mflags & P_NEED_UPDATE)
2033 update_position (m, ax, ay);
2034
2035 /* If a map is visible to the player, we don't want to swap it out
2036 * just to reload it. This should really call something like
2037 * swap_map, but this is much more efficient and 'good enough'
2038 */
2039 if (mflags & P_NEW_MAP)
2040 m->timeout = 50;
2041 }
2042 }
2043 /* do LOS after calls to update_position */ 946 /* do LOS after calls to update_position */
2044 if (pl->contr->do_los) 947 /* unfortunately, we need to udpate los when observing, currently */
948 if (pl->do_los || pl->viewpoint != pl->ob)
2045 { 949 {
950 pl->do_los = 0;
2046 update_los (pl); 951 pl->update_los ();
2047 pl->contr->do_los = 0;
2048 } 952 }
2049 953
2050 /* Big maps need a different drawing mechanism to work */
2051 draw_client_map1 (pl);
2052}
2053
2054
2055/*****************************************************************************/
2056
2057/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
2058
2059/* a player. Of course, the client need to know the command to be able to */
2060
2061/* manage it ! */
2062
2063/*****************************************************************************/
2064void
2065send_plugin_custom_message (object *pl, char *buf)
2066{
2067 pl->contr->socket->send_packet (buf);
2068}
2069
2070/** 954 /**
2071 * This sends the skill number to name mapping. We ignore 955 * This function uses the new map1 protocol command to send the map
2072 * the params - we always send the same info no matter what. 956 * to the client. It is necessary because the old map command supports
957 * a maximum map size of 15x15.
958 * This function is much simpler than the old one. This is because
959 * the old function optimized to send as few face identifiers as possible,
960 * at the expense of sending more coordinate location (coordinates were
961 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
962 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
963 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
964 * and use the other 4 bits for other informatiion. For full documentation
965 * of what we send, see the doc/Protocol file.
966 * I will describe internally what we do:
967 * the ns->lastmap shows how the map last looked when sent to the client.
968 * in the lastmap structure, there is a cells array, which is set to the
969 * maximum viewable size (As set in config.h).
970 * in the cells, there are faces and a count value.
971 * we use the count value to hold the darkness value. If -1, then this space
972 * is not viewable.
973 * we use faces[0] faces[1] faces[2] to hold what the three layers
974 * look like.
2073 */ 975 */
2074void
2075send_skill_info (client *ns, char *params)
2076{
2077 packet sl;
2078 sl << "replyinfo skill_info\n";
2079 976
2080 for (int i = 1; i < NUM_SKILLS; i++) 977 client &socket = *pl->ns;
2081 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
2082 978
2083 if (sl.length () >= MAXSOCKBUF) 979 packet sl ("map1a");
980
981 startlen = sl.length ();
982
983 int hx = socket.mapx / 2;
984 int hy = socket.mapy / 2;
985
986 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
987 int ax = dx + hx;
988 int ay = dy + hy;
989
990 int mask = (ax << 10) | (ay << 4);
991 MapCell &lastcell = socket.lastmap.cells[ax][ay];
992
993 /* If the coordinates are not valid, or it is too dark to see,
994 * we tell the client as such
995 */
996 if (!m)
2084 { 997 {
2085 LOG (llevError, "Buffer overflow in send_skill_info!\n"); 998 /* space is out of map. Update space and clear values
2086 fatal (0); 999 * if this hasn't already been done. If the space is out
1000 * of the map, it shouldn't have a head.
1001 */
1002 if (lastcell.count != -1)
1003 {
1004 sl << uint16 (mask);
1005 map_clearcell (&lastcell, -1);
1006 }
1007
1008 continue;
2087 } 1009 }
2088 1010
2089 ns->send_packet (sl); 1011 int d = pl->blocked_los_uc (dx, dy);
2090}
2091 1012
2092/** 1013 if (d > 3)
2093 * This sends the spell path to name mapping. We ignore
2094 * the params - we always send the same info no matter what.
2095 */
2096void
2097send_spell_paths (client * ns, char *params)
2098{
2099 packet sl;
2100
2101 sl << "replyinfo spell_paths\n";
2102
2103 for (int i = 0; i < NRSPELLPATHS; i++)
2104 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
2105
2106 if (sl.length () >= MAXSOCKBUF)
2107 { 1014 {
2108 LOG (llevError, "Buffer overflow in send_spell_paths!\n"); 1015 /* This block deals with spaces that are not visible for whatever
2109 fatal (0); 1016 * reason. Still may need to send the head for this space.
1017 */
1018 if (lastcell.count != -1
1019 || lastcell.faces[0]
1020 || lastcell.faces[1]
1021 || lastcell.faces[2]
1022 || lastcell.stat_hp
1023 || lastcell.flags
1024 || lastcell.player)
1025 sl << uint16 (mask);
1026
1027 /* properly clear a previously sent big face */
1028 map_clearcell (&lastcell, -1);
2110 } 1029 }
1030 else
1031 {
1032 /* In this block, the space is visible.
1033 */
2111 1034
1035 /* Rather than try to figure out what everything that we might
1036 * need to send is, then form the packet after that,
1037 * we presume that we will in fact form a packet, and update
1038 * the bits by what we do actually send. If we send nothing,
1039 * we just back out sl.length () to the old value, and no harm
1040 * is done.
1041 * I think this is simpler than doing a bunch of checks to see
1042 * what if anything we need to send, setting the bits, then
1043 * doing those checks again to add the real data.
1044 */
1045 oldlen = sl.length ();
1046
1047 sl << uint16 (mask);
1048
1049 unsigned char dummy;
1050 unsigned char *last_ext = &dummy;
1051
1052 /* Darkness changed */
1053 if (lastcell.count != d)
1054 {
1055 mask |= 0x8;
1056
1057 *last_ext |= 0x80;
1058 last_ext = &sl[sl.length ()];
1059 sl << uint8 (d);
1060 }
1061
1062 lastcell.count = d;
1063
1064 mapspace &ms = m->at (nx, ny);
1065 ms.update ();
1066
1067 // extmap handling
1068 uint8 stat_hp = 0;
1069 uint8 stat_width = 0;
1070 uint8 flags = 0;
1071 tag_t player = 0;
1072
1073 // send hp information, if applicable
1074 if (object *op = ms.faces_obj [0])
1075 if (op->is_head () && !op->invisible)
1076 {
1077 if (op->stats.maxhp > op->stats.hp
1078 && op->stats.maxhp > 0
1079 && (op->type == PLAYER
1080 || op->type == DOOR // does not work, have maxhp 0
1081 || op->flag [FLAG_MONSTER]
1082 || op->flag [FLAG_ALIVE]
1083 || op->flag [FLAG_GENERATOR]))
1084 {
1085 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1086 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1087 }
1088
1089 if (expect_false (op->has_dialogue ()))
1090 flags |= 1;
1091
1092 if (expect_false (op->type == PLAYER))
1093 player = op == ob ? pl->ob->count
1094 : op == pl->ob ? ob->count
1095 : op->count;
1096 }
1097
1098 if (expect_false (lastcell.stat_hp != stat_hp))
1099 {
1100 lastcell.stat_hp = stat_hp;
1101
1102 mask |= 0x8;
1103 *last_ext |= 0x80;
1104 last_ext = &sl[sl.length ()];
1105
1106 sl << uint8 (5) << uint8 (stat_hp);
1107
1108 if (stat_width > 1)
1109 {
1110 *last_ext |= 0x80;
1111 last_ext = &sl[sl.length ()];
1112
1113 sl << uint8 (6) << uint8 (stat_width);
1114 }
1115 }
1116
1117 if (expect_false (lastcell.player != player))
1118 {
1119 lastcell.player = player;
1120
1121 mask |= 0x8;
1122 *last_ext |= 0x80;
1123 last_ext = &sl[sl.length ()];
1124
1125 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1126 }
1127
1128 if (expect_false (lastcell.flags != flags))
1129 {
1130 lastcell.flags = flags;
1131
1132 mask |= 0x8;
1133 *last_ext |= 0x80;
1134 last_ext = &sl[sl.length ()];
1135
1136 sl << uint8 (8) << uint8 (flags);
1137 }
1138
1139 // faces
1140
1141 /* Floor face */
1142 if (update_space (sl, socket, ms, lastcell, 2))
1143 mask |= 0x4;
1144
1145 /* Middle face */
1146 if (update_space (sl, socket, ms, lastcell, 1))
1147 mask |= 0x2;
1148
1149 if (expect_false (ob->invisible)
1150 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1151 && ms.player () == ob)
1152 {
1153 // force player to be visible to himself if invisible
1154 if (lastcell.faces[0] != ob->face)
1155 {
1156 lastcell.faces[0] = ob->face;
1157
1158 mask |= 0x1;
1159 sl << uint16 (ob->face);
1160
1161 socket.send_faces (ob);
1162 }
1163 }
1164 /* Top face */
1165 else if (update_space (sl, socket, ms, lastcell, 0))
1166 mask |= 0x1;
1167
1168 /* Check to see if we are in fact sending anything for this
1169 * space by checking the mask. If so, update the mask.
1170 * if not, reset the len to that from before adding the mask
1171 * value, so we don't send those bits.
1172 */
1173 if (mask & 0xf)
1174 sl[oldlen + 1] = mask & 0xff;
1175 else
1176 sl.reset (oldlen);
1177 } /* else this is a viewable space */
1178 ordered_mapwalk_end
1179
1180 socket.flush_fx ();
1181
1182 if (sl.length () > startlen || socket.sent_scroll)
1183 {
2112 ns->send_packet (sl); 1184 socket.send_packet (sl);
1185 socket.sent_scroll = 0;
1186 }
2113} 1187}
2114 1188
2115/** 1189/**
2116 * This looks for any spells the player may have that have changed their stats. 1190 * This looks for any spells the player may have that have changed their stats.
2117 * it then sends an updspell packet for each spell that has changed in this way 1191 * it then sends an updspell packet for each spell that has changed in this way
2118 */ 1192 */
2119void 1193void
2120esrv_update_spells (player *pl) 1194esrv_update_spells (player *pl)
2121{ 1195{
2122 if (!pl->socket->monitor_spells) 1196 if (!pl->ns)
2123 return; 1197 return;
2124 1198
1199 pl->ns->update_spells = false;
1200
1201 if (!pl->ns->monitor_spells)
1202 return;
1203
2125 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1204 for (object *spell = pl->ob->inv; spell; spell = spell->below)
2126 {
2127 if (spell->type == SPELL) 1205 if (spell->type == SPELL)
2128 { 1206 {
2129 int flags = 0; 1207 int flags = 0;
1208 int val;
2130 1209
2131 /* check if we need to update it */ 1210 /* check if we need to update it */
2132 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1211 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1212 if (spell->cached_sp != val)
2133 { 1213 {
2134 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1214 spell->cached_sp = val;
2135 flags |= UPD_SP_MANA; 1215 flags |= UPD_SP_MANA;
2136 } 1216 }
2137 1217
2138 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1218 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1219 if (spell->cached_grace != val)
2139 { 1220 {
2140 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1221 spell->cached_grace = val;
2141 flags |= UPD_SP_GRACE; 1222 flags |= UPD_SP_GRACE;
2142 } 1223 }
2143 1224
2144 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1225 val = casting_level (pl->ob, spell);
1226 if (spell->cached_eat != val)
2145 { 1227 {
2146 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1228 spell->cached_eat = val;
2147 flags |= UPD_SP_DAMAGE; 1229 flags |= UPD_SP_LEVEL;
2148 } 1230 }
2149 1231
2150 if (flags) 1232 if (flags)
2151 { 1233 {
2152 packet sl; 1234 packet sl;
2153 1235
2154 sl << "updspell " 1236 sl << "updspell "
2155 << uint8 (flags) 1237 << uint8 (flags)
2156 << uint32 (spell->count); 1238 << uint32 (spell->count);
2157 1239
2158 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1240 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
2159 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1241 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
2160 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1242 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
2161 1243
2162 pl->socket->send_packet (sl); 1244 pl->ns->send_packet (sl);
2163 } 1245 }
2164 } 1246 }
2165 }
2166} 1247}
2167 1248
2168void 1249void
2169esrv_remove_spell (player *pl, object *spell) 1250esrv_remove_spell (player *pl, object *spell)
2170{ 1251{
2171 if (!pl->socket->monitor_spells) 1252 if (!pl->ns->monitor_spells)
2172 return; 1253 return;
2173 1254
2174 if (!pl || !spell || spell->env != pl->ob) 1255 if (!pl || !spell || spell->env != pl->ob)
2175 { 1256 {
2176 LOG (llevError, "Invalid call to esrv_remove_spell"); 1257 LOG (llevError, "Invalid call to esrv_remove_spell");
2177 return; 1258 return;
2178 } 1259 }
2179 1260
2180 packet sl; 1261 packet sl ("delspell");
2181 1262
2182 sl << "delspell "
2183 << uint32 (spell->count); 1263 sl << uint32 (spell->count);
2184 1264
2185 pl->socket->send_packet (sl); 1265 pl->ns->send_packet (sl);
2186} 1266}
2187 1267
2188/* appends the spell *spell to the Socklist we will send the data to. */ 1268/* appends the spell *spell to the Socklist we will send the data to. */
2189static void 1269static void
2190append_spell (player *pl, packet &sl, object *spell) 1270append_spell (player *pl, packet &sl, object *spell)
2191{ 1271{
2192 int len, i, skill = 0; 1272 int i, skill = 0;
2193 1273
2194 if (!(spell->name)) 1274 if (!(spell->name))
2195 { 1275 {
2196 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1276 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2197 return; 1277 return;
2198 } 1278 }
2199 1279
2200 /* store costs and damage in the object struct, to compare to later */ 1280 /* store costs and damage in the object struct, to compare to later */
2201 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1281 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
2202 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1282 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
2203 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1283 spell->cached_eat = casting_level (pl->ob, spell);
2204 1284
2205 /* figure out which skill it uses, if it uses one */ 1285 /* figure out which skill it uses, if it uses one */
2206 if (spell->skill) 1286 if (spell->skill)
2207 { 1287 if (object *tmp = pl->find_skill (spell->skill))
2208 for (i = 1; i < NUM_SKILLS; i++) 1288 skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
2209 if (!strcmp (spell->skill, skill_names[i])) 1289
2210 { 1290 // spells better have a face
2211 skill = i + CS_STAT_SKILLINFO; 1291 if (!spell->face)
2212 break;
2213 }
2214 } 1292 {
1293 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1294 spell->face = face_find ("burnout.x11", blank_face);
1295 }
1296
1297 pl->ns->send_face (spell->face);
2215 1298
2216 /* send the current values */ 1299 /* send the current values */
2217 sl << uint32 (spell->count) 1300 sl << uint32 (spell->count)
2218 << uint16 (spell->level) 1301 << uint16 (spell->level)
2219 << uint16 (spell->casting_time) 1302 << uint16 (spell->casting_time)
2220 << uint16 (spell->last_sp) 1303 << uint16 (spell->cached_sp)
2221 << uint16 (spell->last_grace) 1304 << uint16 (spell->cached_grace)
2222 << uint16 (spell->last_eat) 1305 << uint16 (spell->cached_eat)
2223 << uint8 (skill) 1306 << uint8 (skill)
2224 << uint32 (spell->path_attuned) 1307 << uint32 (spell->path_attuned)
2225 << uint32 (spell->face ? spell->face->number : 0) 1308 << uint32 (spell->face)
2226 << data8 (spell->name) 1309 << data8 (spell->name)
2227 << data16 (spell->msg); 1310 << data16 (spell->msg);
2228} 1311}
2229 1312
2230/** 1313/**
… …
2238 { 1321 {
2239 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player"); 1322 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");
2240 return; 1323 return;
2241 } 1324 }
2242 1325
2243 if (!pl->socket->monitor_spells) 1326 if (!pl->ns->monitor_spells)
2244 return; 1327 return;
2245 1328
2246 packet sl; 1329 packet sl ("addspell");
2247 sl << "addspell ";
2248 1330
2249 if (!spell) 1331 if (!spell)
2250 { 1332 {
2251 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1333 for (spell = pl->ob->inv; spell; spell = spell->below)
2252 { 1334 {
2253 /* were we to simply keep appending data here, we could exceed 1335 /* were we to simply keep appending data here, we could exceed
2254 * MAXSOCKBUF if the player has enough spells to add, we know that 1336 * MAXSOCKBUF if the player has enough spells to add, we know that
2255 * append_spells will always append 19 data bytes, plus 4 length 1337 * append_spells will always append 19 data bytes, plus 4 length
2256 * bytes and 3 strings (because that is the spec) so we need to 1338 * bytes and 3 strings (because that is the spec) so we need to
2257 * check that the length of those 3 strings, plus the 23 bytes, 1339 * check that the length of those 3 strings, plus the 23 bytes,
2258 * won't take us over the length limit for the socket, if it does, 1340 * won't take us over the length limit for the socket, if it does,
2259 * we need to send what we already have, and restart packet formation 1341 * we need to send what we already have, and restart packet formation
2260 */ 1342 */
1343 if (spell->type != SPELL)
1344 continue;
1345
2261 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1346 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
2262 * to show add_spell is 26 bytes + 2 strings. However, the overun 1347 * to show add_spell is 26 bytes + 2 strings. However, the overun
2263 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1348 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
2264 * like it will fix this 1349 * like it will fix this
2265 */ 1350 */
2266 if (spell->type != SPELL)
2267 continue;
2268
2269 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1351 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
2270 { 1352 {
1353 pl->ns->flush_fx ();
2271 pl->socket->send_packet (sl); 1354 pl->ns->send_packet (sl);
2272 1355
2273 sl.reset (); 1356 sl.reset ();
2274 sl << "addspell "; 1357 sl << "addspell ";
2275 } 1358 }
2276 1359
… …
2283 return; 1366 return;
2284 } 1367 }
2285 else 1368 else
2286 append_spell (pl, sl, spell); 1369 append_spell (pl, sl, spell);
2287 1370
2288 if (sl.length () >= MAXSOCKBUF) 1371 if (sl.length () > MAXSOCKBUF)
2289 {
2290 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1372 cleanup ("buffer overflow in esrv_add_spells!");
2291 fatal (0);
2292 }
2293 1373
2294 /* finally, we can send the packet */ 1374 /* finally, we can send the packet */
1375 pl->ns->flush_fx ();
2295 pl->socket->send_packet (sl); 1376 pl->ns->send_packet (sl);
2296} 1377}
2297 1378
1379//-GPL
1380

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