ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/socket/request.C
(Generate patch)

Comparing deliantra/server/socket/request.C (file contents):
Revision 1.49 by root, Thu Dec 21 06:12:37 2006 UTC vs.
Revision 1.189 by root, Wed Oct 31 09:17:14 2012 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 (©) 2005,2006,2007,2008,2009,2010,2011,2012 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 avoid 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 (IN_RANGE_EXC (dir, 0, 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 (INVOKE_CLIENT (ADDME, ns)) 465 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
575 return;
576
577 if (ns->pl || add_player (ns))
578 ns->send_packet ("addme_failed");
579 else
580 ns->send_packet ("addme_success");
581} 466}
582 467
583/** Reply to ExtendedInfos command */ 468//+GPL
584void
585ToggleExtendedInfos (char *buf, int len, client * ns)
586{
587 char cmdback[MAX_BUF];
588 char command[50];
589 int info, nextinfo;
590
591 cmdback[0] = '\0';
592 nextinfo = 0;
593
594 while (1)
595 {
596 /* 1. Extract an info */
597 info = nextinfo;
598
599 while ((info < len) && (buf[info] == ' '))
600 info++;
601
602 if (info >= len)
603 break;
604
605 nextinfo = info + 1;
606
607 while ((nextinfo < len) && (buf[nextinfo] != ' '))
608 nextinfo++;
609
610 if (nextinfo - info >= 49) /*Erroneous info asked */
611 continue;
612
613 strncpy (command, &(buf[info]), nextinfo - info);
614
615 /* 2. Interpret info */
616 if (!strcmp ("smooth", command))
617 /* Toggle smoothing */
618 ns->EMI_smooth = !ns->EMI_smooth;
619 else
620 /*bad value */;
621
622 /*3. Next info */
623 }
624
625 strcpy (cmdback, "ExtendedInfoSet");
626
627 if (ns->EMI_smooth)
628 {
629 strcat (cmdback, " ");
630 strcat (cmdback, "smoothing");
631 }
632
633 ns->send_packet (cmdback);
634}
635
636/*
637#define MSG_TYPE_BOOK 1
638#define MSG_TYPE_CARD 2
639#define MSG_TYPE_PAPER 3
640#define MSG_TYPE_SIGN 4
641#define MSG_TYPE_MONUMENT 5
642#define MSG_TYPE_SCRIPTED_DIALOG 6*/
643
644/** Reply to ExtendedInfos command */
645void
646ToggleExtendedText (char *buf, int len, client * ns)
647{
648 char cmdback[MAX_BUF];
649 char temp[10];
650 char command[50];
651 int info, nextinfo, i, flag;
652
653 cmdback[0] = '\0';
654
655 nextinfo = 0;
656 while (1)
657 {
658 /* 1. Extract an info */
659 info = nextinfo;
660
661 while ((info < len) && (buf[info] == ' '))
662 info++;
663
664 if (info >= len)
665 break;
666
667 nextinfo = info + 1;
668
669 while ((nextinfo < len) && (buf[nextinfo] != ' '))
670 nextinfo++;
671
672 if (nextinfo - info >= 49) /*Erroneous info asked */
673 continue;
674
675 strncpy (command, &(buf[info]), nextinfo - info);
676 command[nextinfo - info] = '\0';
677 /* 2. Interpret info */
678 i = sscanf (command, "%d", &flag);
679
680 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
681 ns->supported_readables |= (1 << flag);
682 /*3. Next info */
683 }
684
685 /* Send resulting state */
686 strcpy (cmdback, "ExtendedTextSet");
687
688 for (i = 0; i <= MSG_TYPE_LAST; i++)
689 if (ns->supported_readables & (1 << i))
690 {
691 strcat (cmdback, " ");
692 snprintf (temp, sizeof (temp), "%d", i);
693 strcat (cmdback, temp);
694 }
695
696 ns->send_packet (cmdback);
697}
698
699/**
700 * A lot like the old AskSmooth (in fact, now called by AskSmooth).
701 * Basically, it makes no sense to wait for the client to request a
702 * a piece of data from us that we know the client wants. So
703 * if we know the client wants it, might as well push it to the
704 * client.
705 */
706static void
707SendSmooth (client *ns, uint16 face)
708{
709 uint16 smoothface;
710
711 /* If we can't find a face, return and set it so we won't try to send this
712 * again.
713 */
714 if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface)))
715 {
716
717 LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name);
718 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
719 return;
720 }
721
722 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
723 esrv_send_face (ns, smoothface, 0);
724
725 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
726
727 packet sl ("smooth");
728
729 sl << uint16 (face)
730 << uint16 (smoothface);
731
732 ns->send_packet (sl);
733}
734
735 /**
736 * Tells client the picture it has to use
737 * to smooth a picture number given as argument.
738 */
739void
740AskSmooth (char *buf, int len, client *ns)
741{
742 SendSmooth (ns, atoi (buf));
743}
744 469
745/** 470/**
746 * 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,
747 * etc.) 472 * etc.)
748 */ 473 */
… …
761 return; 486 return;
762 487
763 buf++; 488 buf++;
764 } 489 }
765 490
766 execute_newserver_command (pl->ob, (char *) buf); 491 execute_newserver_command (pl->ob, (char *)buf);
767 492
768 /* Perhaps something better should be done with a left over count. 493 /* Perhaps something better should be done with a left over count.
769 * Cleaning up the input should probably be done first - all actions 494 * Cleaning up the input should probably be done first - all actions
770 * 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
771 * commands. 496 * commands.
772 */ 497 */
773 pl->count = 0; 498 pl->count = 0;
774} 499}
775 500
776
777/** 501/**
778 * 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,
779 * 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
780 * '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
781 * can throttle. 505 * can throttle.
… …
783void 507void
784NewPlayerCmd (char *buf, int len, player *pl) 508NewPlayerCmd (char *buf, int len, player *pl)
785{ 509{
786 if (len <= 6) 510 if (len <= 6)
787 { 511 {
788 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);
789 return; 513 return;
790 } 514 }
791 515
792 uint16 cmdid = net_uint16 ((uint8 *)buf); 516 uint16 cmdid = net_uint16 ((uint8 *)buf);
793 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 517 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
… …
806 * commands. 530 * commands.
807 */ 531 */
808 pl->count = 0; 532 pl->count = 0;
809 533
810 //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
811 int time = FABS (pl->ob->speed) < 0.001 535 int time = pl->ob->has_active_speed ()
812 ? time = MAX_TIME * 100
813 : time = (int) (MAX_TIME / FABS (pl->ob->speed)); 536 ? (int) (MAX_TIME / pl->ob->speed)
537 : MAX_TIME * 100;
814 538
815 /* Send confirmation of command execution now */ 539 /* Send confirmation of command execution now */
816 packet sl ("comc"); 540 packet sl ("comc");
817 sl << uint16 (cmdid) << uint32 (time); 541 sl << uint16 (cmdid) << uint32 (time);
818 pl->socket->send_packet (sl); 542 pl->ns->send_packet (sl);
819} 543}
820 544
821/** This is a reply to a previous query. */ 545/** This is a reply to a previous query. */
822void 546void
823ReplyCmd (char *buf, int len, client *ns) 547ReplyCmd (char *buf, int len, client *ns)
824{ 548{
549 if (ns->state == ST_CUSTOM)
550 {
551 INVOKE_CLIENT (REPLY, ns, ARG_DATA (buf, len));
552 return;
553 }
554
825 if (!ns->pl) 555 if (!ns->pl)
826 return; //TODO: depends on the exact reply we are after 556 return; //TODO: depends on the exact reply we are after
827 //TODO: but right now, we always have a ns->pl 557 //TODO: but right now, we always have a ns->pl
828 558
829 player *pl = ns->pl; 559 player *pl = ns->pl;
… …
838 */ 568 */
839 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf); 569 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);
840 570
841 /* this avoids any hacking here */ 571 /* this avoids any hacking here */
842 572
843 switch (pl->state) 573 switch (ns->state)
844 { 574 {
845 case ST_PLAYING: 575 case ST_PLAYING:
846 LOG (llevError, "Got reply message with ST_PLAYING input state\n"); 576 LOG (llevError, "Got reply message with ST_PLAYING input state\n");
847 break; 577 break;
848 578
849 case ST_PLAY_AGAIN:
850 /* We can check this for return value (2==quit). Maybe we
851 * should, and do something appropriate?
852 */
853 receive_play_again (pl->ob, buf[0]);
854 break;
855
856 case ST_ROLL_STAT:
857 key_roll_stat (pl->ob, buf[0]);
858 break;
859
860 case ST_CHANGE_CLASS:
861 key_change_class (pl->ob, buf[0]);
862 break;
863
864 case ST_CONFIRM_QUIT:
865 key_confirm_quit (pl->ob, buf[0]);
866 break;
867
868 case ST_CONFIGURE:
869 LOG (llevError, "In client input handling, but into configure state\n");
870 pl->state = ST_PLAYING;
871 break;
872
873 case ST_GET_NAME:
874 receive_player_name (pl->ob, 13);
875 break;
876
877 case ST_GET_PASSWORD:
878 case ST_CONFIRM_PASSWORD:
879 receive_player_password (pl->ob, 13);
880 break;
881
882 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 579 case ST_GET_PARTY_PASSWORD: /* Get password for party */
883 receive_party_password (pl->ob, 13); 580 receive_party_password (pl->ob, 13);
884 break; 581 break;
885 582
886 default: 583 default:
887 LOG (llevError, "Unknown input state: %d\n", pl->state); 584 LOG (llevError, "Unknown input state: %d\n", ns->state);
888 } 585 }
889} 586}
890 587
891/** 588/**
892 * Client tells its version. If there is a mismatch, we close the 589 * Client tells its version info.
893 * socket. In real life, all we should care about is the client having
894 * something older than the server. If we assume the client will be
895 * backwards compatible, having it be a later version should not be a
896 * problem.
897 */ 590 */
898void 591void
899VersionCmd (char *buf, int len, client * ns) 592VersionCmd (char *buf, int len, client *ns)
900{ 593{
901 if (!buf) 594 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
902 {
903 LOG (llevError, "CS: received corrupted version command\n");
904 return;
905 }
906
907 ns->cs_version = atoi (buf);
908 ns->sc_version = ns->cs_version;
909
910 LOG (llevDebug, "connection from client <%s>\n", buf);
911
912
913 //TODO: should log here just for statistics
914
915 //if (VERSION_CS != ns->cs_version)
916 // unchecked;
917
918 char *cp = strchr (buf + 1, ' ');
919 if (!cp)
920 return;
921
922 ns->sc_version = atoi (cp);
923
924 //if (VERSION_SC != ns->sc_version)
925 // unchecked;
926
927 cp = strchr (cp + 1, ' ');
928
929 if (cp)
930 {
931 assign (ns->version, cp + 1);
932
933 if (ns->sc_version < 1026)
934 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
935 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
936 }
937} 595}
938 596
939/** sound related functions. */ 597/** sound related functions. */
940void 598void
941SetSound (char *buf, int len, client * ns) 599SetSound (char *buf, int len, client * ns)
942{ 600{
943 ns->sound = atoi (buf); 601 ns->sound = atoi (buf);
944} 602}
945 603
946/** client wants the map resent */ 604/** client wants the map resent */
947
948void 605void
949MapRedrawCmd (char *buf, int len, player *pl) 606MapRedrawCmd (char *buf, int len, player *pl)
950{ 607{
951/* 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
952 * 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.
… …
960 * syntax is: move (to) (tag) (nrof) 617 * syntax is: move (to) (tag) (nrof)
961 */ 618 */
962void 619void
963MoveCmd (char *buf, int len, player *pl) 620MoveCmd (char *buf, int len, player *pl)
964{ 621{
965 int vals[3], i; 622 int to, tag, nrof;
966 623
967 /* A little funky here. We only cycle for 2 records, because 624 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
968 * we obviously are not going to find a space after the third
969 * record. Perhaps we should just replace this with a
970 * sscanf?
971 */
972 for (i = 0; i < 2; i++)
973 { 625 {
974 vals[i] = atoi (buf);
975
976 if (!(buf = strchr (buf, ' ')))
977 {
978 LOG (llevError, "Incomplete move command: %s\n", buf); 626 LOG (llevError, "Incomplete move command: %s\n", buf);
979 return; 627 return;
980 }
981
982 buf++;
983 } 628 }
984 629
985 vals[2] = atoi (buf); 630 esrv_move_object (pl->ob, to, tag, nrof);
986
987/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
988 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
989} 631}
990 632
991/****************************************************************************** 633/******************************************************************************
992 * 634 *
993 * Start of commands the server sends to the client. 635 * Start of commands the server sends to the client.
… …
997/** 639/**
998 * 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
999 * 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)
1000 */ 642 */
1001void 643void
1002send_query (client *ns, uint8 flags, char *text) 644send_query (client *ns, uint8 flags, const char *text)
1003{ 645{
1004 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);
1005} 685}
1006 686
1007#define AddIfInt64(Old,New,Type) if (Old != New) {\ 687#define AddIfInt64(Old,New,Type) if (Old != New) {\
1008 Old = New; \ 688 Old = New; \
1009 sl << uint8 (Type) << uint64 (New); \ 689 sl << uint8 (Type) << uint64 (New); \
… …
1017#define AddIfShort(Old,New,Type) if (Old != New) {\ 697#define AddIfShort(Old,New,Type) if (Old != New) {\
1018 Old = New; \ 698 Old = New; \
1019 sl << uint8 (Type) << uint16 (New); \ 699 sl << uint8 (Type) << uint16 (New); \
1020 } 700 }
1021 701
1022#define AddIfFloat(Old,New,Type) if (Old != New) {\ 702#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
1023 Old = New; \ 703 Old = New; \
1024 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ 704 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
1025 } 705 }
1026 706
1027#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 707#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
1028 free(Old); Old = strdup (New);\ 708 free(Old); Old = strdup (New);\
1029 sl << uint8 (Type) << data8 (New); \ 709 sl << uint8 (Type) << data8 (New); \
… …
1036 * commands for now. 716 * commands for now.
1037 */ 717 */
1038void 718void
1039esrv_update_stats (player *pl) 719esrv_update_stats (player *pl)
1040{ 720{
1041 char buf[MAX_BUF]; 721 client *ns = pl->ns;
1042 uint16 flags; 722 if (!ns)
723 return;
724
725 object *ob = pl->observe;
726 if (!ob)
727 return;
728
729 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
1043 730
1044 packet sl ("stats"); 731 packet sl ("stats");
1045 732
1046 if (pl->ob)
1047 {
1048 AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); 733 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1049 AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); 734 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
1050 AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); 735 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
1051 AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); 736 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
1052 AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); 737 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
1053 AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); 738 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
1054 AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); 739 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
1055 AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT);
1056 AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW);
1057 AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS);
1058 AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); 740 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
1059 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);
1060 AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); 745 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1061 }
1062 746
1063 if (pl->socket->exp64)
1064 for (int s = 0; s < NUM_SKILLS; s++) 747 for (int s = 0; s < CS_NUM_SKILLS; s++)
1065 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])
1066 { 750 {
751 ns->last_skill_exp [s] = skill->stats.exp;
752
1067 /* Always send along the level if exp changes. This is only 753 /* Always send along the level if exp changes. This is only
1068 * 1 extra byte, but keeps processing simpler. 754 * 1 extra byte, but keeps processing simpler.
1069 */ 755 */
1070 sl << uint8 (s + CS_STAT_SKILLINFO) 756 sl << uint8 (CS_STAT_SKILLINFO + s)
1071 << uint8 (pl->last_skill_ob[s]->level) 757 << uint8 (skill->level)
1072 << uint64 (pl->last_skill_ob[s]->stats.exp); 758 << uint64 (skill->stats.exp);
1073
1074 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1075 } 759 }
1076 760
1077 if (pl->socket->exp64)
1078 { AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64) } 761 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1079 else
1080 { AddIfInt (pl->last_stats.exp, (int) pl->ob->stats.exp, CS_STAT_EXP) }
1081
1082 AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL); 762 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1083 AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); 763 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1084 AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); 764 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1085 AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); 765 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1086 AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED); 766 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
1087 AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); 767 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1088 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);
1089 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);
1090 flags = 0;
1091 770
1092 if (pl->fire_on) 771 int flags = (opl->fire_on ? SF_FIREON : 0)
1093 flags |= SF_FIREON; 772 | (opl->run_on ? SF_RUNON : 0);
1094 773
1095 if (pl->run_on)
1096 flags |= SF_RUNON;
1097
1098 AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS); 774 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1099 775
1100 if (pl->socket->sc_version < 1025)
1101 { AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1102 else
1103 for (int i = 0; i < NROFATTACKS; i++) 776 for (int i = 0; i < NROFATTACKS; i++)
1104 {
1105 /* Skip ones we won't send */ 777 /* Skip ones we won't send */
1106 if (atnr_cs_stat[i] == -1) 778 if (atnr_cs_stat[i] >= 0)
1107 continue;
1108
1109 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]);
1110 }
1111 780
1112 if (pl->socket->monitor_spells) 781 if (pl->ns->monitor_spells)
1113 { 782 {
1114 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);
1115 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);
1116 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);
1117 } 786 }
1118 787
788 char buf[MAX_BUF];
1119 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 */
1120 AddIfString (pl->socket->stats.range, buf, CS_STAT_RANGE); 790 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1121 set_title (pl->ob, buf); 791 set_title (ob, buf);
1122 AddIfString (pl->socket->stats.title, buf, CS_STAT_TITLE); 792 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1123 793
1124 /* Only send it away if we have some actual data */ 794 /* Only send it away if we have some actual data */
1125 if (sl.length () > 6) 795 if (sl.length () > 6)
1126 pl->socket->send_packet (sl); 796 ns->send_packet (sl);
1127} 797}
1128 798
1129/** 799/**
1130 * 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.
1131 */ 801 */
1132void 802void
1133esrv_new_player (player *pl, uint32 weight) 803esrv_new_player (player *pl)
1134{ 804{
1135 pl->last_weight = weight; 805 sint32 weight = pl->ob->client_weight ();
1136 806
1137 packet sl ("player"); 807 packet sl ("player");
1138 808
1139 sl << uint32 (pl->ob->count) 809 sl << uint32 (pl->ob->count)
1140 << uint32 (weight) 810 << uint32 (weight)
1141 << uint32 (pl->ob->face->number) 811 << uint32 (pl->ob->face)
1142 << data8 (pl->ob->name); 812 << data8 (pl->ob->name);
1143 813
1144 pl->socket->send_packet (sl); 814 pl->ns->last_weight = weight;
1145 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1146}
1147
1148/**
1149 * Need to send an animation sequence to the client.
1150 * We will send appropriate face commands to the client if we haven't
1151 * sent them the face yet (this can become quite costly in terms of
1152 * how much we are sending - on the other hand, this should only happen
1153 * when the player logs in and picks stuff up.
1154 */
1155void
1156esrv_send_animation (client * ns, short anim_num)
1157{
1158 /* Do some checking on the anim_num we got. Note that the animations
1159 * are added in contigous order, so if the number is in the valid
1160 * range, it must be a valid animation.
1161 */
1162 if (anim_num < 0 || anim_num > num_animations)
1163 {
1164 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
1165 return;
1166 }
1167
1168 packet sl ("anim");
1169
1170 sl << uint16 (anim_num)
1171 << uint16 (0); /* flags - not used right now */
1172
1173 /* Build up the list of faces. Also, send any information (ie, the
1174 * the face itself) down to the client.
1175 */
1176 for (int i = 0; i < animations[anim_num].num_animations; i++)
1177 {
1178 if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1179 esrv_send_face (ns, animations[anim_num].faces[i], 0);
1180
1181 sl << uint16 (animations[anim_num].faces[i]); /* flags - not used right now */
1182 }
1183
1184 ns->send_packet (sl); 815 pl->ns->send_packet (sl);
1185
1186 ns->anims_sent[anim_num] = 1;
1187} 816}
1188
1189 817
1190/****************************************************************************** 818/******************************************************************************
1191 * 819 *
1192 * Start of map related commands. 820 * Start of map related commands.
1193 * 821 *
1194 ******************************************************************************/ 822 ******************************************************************************/
1195 823
1196/**
1197 * This adds face_num to a map cell at x,y. If the client doesn't have
1198 * the face yet, we will also send it.
1199 */
1200static void
1201esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap)
1202{
1203 if (newmap->cells[x][y].count >= MAP_LAYERS)
1204 {
1205 //TODO: one or the other, can't both have abort and return, verify and act
1206 LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1207 return;
1208 abort ();
1209 }
1210
1211 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1212 newmap->cells[x][y].count++;
1213
1214 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1215 esrv_send_face (ns, face_num, 0);
1216}
1217
1218/** Clears a map cell */ 824/** Clears a map cell */
1219static void 825static void
1220map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) 826map_clearcell (struct MapCell *cell, int count)
1221{ 827{
1222 cell->faces[0] = face0; 828 cell->faces[0] = 0;
1223 cell->faces[1] = face1; 829 cell->faces[1] = 0;
1224 cell->faces[2] = face2; 830 cell->faces[2] = 0;
831 cell->smooth[0] = 0;
832 cell->smooth[1] = 0;
833 cell->smooth[2] = 0;
1225 cell->count = count; 834 cell->count = count;
1226 cell->stat_hp = 0; 835 cell->stat_hp = 0;
1227 cell->flags = 0; 836 cell->flags = 0;
1228 cell->player = 0; 837 cell->player = 0;
1229} 838}
1230 839
1231#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1232#define MAX_LAYERS 3 840#define MAX_LAYERS 3
1233
1234/* Using a global really isn't a good approach, but saves the over head of
1235 * allocating and deallocating such a block of data each time run through,
1236 * and saves the space of allocating this in the socket object when we only
1237 * need it for this cycle. If the server is ever threaded, this needs to be
1238 * re-examined.
1239 */
1240static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1241
1242/**
1243 * Returns true if any of the heads for this
1244 * space is set. Returns false if all are blank - this is used
1245 * for empty space checking.
1246 */
1247static inline int
1248have_head (int ax, int ay)
1249{
1250 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1251 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1252 return 1;
1253
1254 return 0;
1255}
1256
1257/**
1258 * check_head is a bit simplistic version of update_space below.
1259 * basically, it only checks the that the head on space ax,ay at layer
1260 * needs to get sent - if so, it adds the data, sending the head
1261 * if needed, and returning 1. If this no data needs to get
1262 * sent, it returns zero.
1263 */
1264static int
1265check_head (packet &sl, client &ns, int ax, int ay, int layer)
1266{
1267 short face_num;
1268
1269 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1270 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1271 else
1272 face_num = 0;
1273
1274 if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1275 {
1276 sl << uint16 (face_num);
1277 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1278 esrv_send_face (&ns, face_num, 0);
1279
1280 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1281 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1282 return 1;
1283 }
1284
1285 return 0; /* No change */
1286}
1287 841
1288/** 842/**
1289 * Removes the need to replicate the same code for each layer. 843 * Removes the need to replicate the same code for each layer.
1290 * 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
1291 * it was. 845 * it was.
1292 * sl is the socklist this data is going into. 846 * sl is the socklist this data is going into.
1293 * 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
1294 * 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
1295 * entire player object. 849 * entire player object.
1296 * mx and my are map coordinate offsets for map mp
1297 * sx and sy are the offsets into the socket structure that
1298 * holds the old values.
1299 * 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
1300 * 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)
1301 * take. Interesting to note that before this function, the map1 function 852 * take. Interesting to note that before this function, the map1 function
1302 * numbers the spaces differently - I think this was a leftover from 853 * numbers the spaces differently - I think this was a leftover from
1303 * 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
1304 * 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
1305 * actually match. 856 * actually match.
1306 */ 857 */
1307static int 858static int
1308update_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)
1309{ 860{
1310 object *ob, *head; 861 object *ob = ms.faces_obj [layer];
1311 uint16 face_num;
1312 int bx, by, i;
1313
1314 /* If there is a multipart object stored away, treat that as more important.
1315 * If not, then do the normal processing.
1316 */
1317 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1318
1319 /* Check to see if this head is part of the set of objects
1320 * we would normally send for this space. If so, then
1321 * don't use the head value. We need to do the check
1322 * here and not when setting up the heads[] value for two reasons -
1323 * 1) the heads[] values will get used even if the space is not visible.
1324 * 2) its possible the head is not on the same map as a part, and I'd
1325 * rather not need to do the map translation overhead.
1326 * 3) We need to do some extra checking to make sure that we will
1327 * otherwise send the image as this layer, eg, either it matches
1328 * the head value, or is not multipart.
1329 */
1330 if (head && !head->more)
1331 {
1332 for (i = 0; i < MAP_LAYERS; i++)
1333 {
1334 ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1335 if (!ob)
1336 continue;
1337
1338 if (ob->head)
1339 ob = ob->head;
1340
1341 if (ob == head)
1342 {
1343 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1344 head = NULL;
1345 break;
1346 }
1347 }
1348 }
1349
1350 ob = head;
1351 if (!ob)
1352 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1353 862
1354 /* 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
1355 * is the blank face, set the face number to zero. 864 * is the blank face, set the face number to zero.
1356 * 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
1357 * precedence over the other object for this space. 866 * precedence over the other object for this space.
1358 * otherwise, we do special head processing 867 * otherwise, we do special head processing
1359 */ 868 */
1360 if (!ob || ob->face == blank_face) 869 uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
1361 face_num = 0;
1362 else if (head)
1363 {
1364 /* if this is a head that had previously been stored */
1365 face_num = ob->face->number;
1366 }
1367 else
1368 {
1369 /* if the faces for the different parts of a multipart object
1370 * are the same, we only want to send the bottom right most
1371 * portion of the object. That info is in the tail_.. values
1372 * of the head. Note that for the head itself, ob->head will
1373 * be null, so we only do this block if we are working on
1374 * a tail piece.
1375 */
1376
1377 /* tail_x and tail_y will only be set in the head object. If
1378 * this is the head object and these are set, we proceed
1379 * with logic to only send bottom right. Similarly, if
1380 * this is one of the more parts but the head has those values
1381 * set, we want to do the processing. There can be cases where
1382 * the head is not visible but one of its parts is, so we just
1383 * can always expect that ob->arch->tail_x will be true for all
1384 * object we may want to display.
1385 */
1386 if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1387 {
1388
1389 if (ob->head)
1390 head = ob->head;
1391 else
1392 head = ob;
1393
1394 /* Basically figure out where the offset is from where we are right
1395 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1396 * piece is from the head, and the tail is where the tail is from the
1397 * head. Note that bx and by will equal sx and sy if we are already working
1398 * on the bottom right corner. If ob is the head, the clone values
1399 * will be zero, so the right thing will still happen.
1400 */
1401 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1402 by = sy + head->arch->tail_y - ob->arch->clone.y;
1403
1404 /* I don't think this can ever happen, but better to check for it just
1405 * in case.
1406 */
1407 if (bx < sx || by < sy)
1408 {
1409 LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1410 face_num = 0;
1411 }
1412 /* single part object, multipart object with non merged faces,
1413 * of multipart object already at lower right.
1414 */
1415 else if (bx == sx && by == sy)
1416 {
1417 face_num = ob->face->number;
1418
1419 /* if this face matches one stored away, clear that one away.
1420 * this code relies on the fact that the map1 commands
1421 * goes from 2 down to 0.
1422 */
1423 for (i = 0; i < MAP_LAYERS; i++)
1424 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1425 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1426 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1427 }
1428 else
1429 {
1430 /* If this head is stored away, clear it - otherwise,
1431 * there can be cases where a object is on multiple layers -
1432 * we only want to send it once.
1433 */
1434 face_num = head->face->number;
1435 for (i = 0; i < MAP_LAYERS; i++)
1436 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1437 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1438 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1439
1440 /* First, try to put the new head on the same layer. If that is used up,
1441 * then find another layer.
1442 */
1443 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1444 {
1445 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1446 }
1447 else
1448 for (i = 0; i < MAX_LAYERS; i++)
1449 {
1450 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1451 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1452 {
1453 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1454 }
1455 }
1456 face_num = 0; /* Don't send this object - we'll send the head later */
1457 }
1458 }
1459 else
1460 {
1461 /* In this case, we are already at the lower right or single part object,
1462 * so nothing special
1463 */
1464 face_num = ob->face->number;
1465
1466 /* clear out any head entries that have the same face as this one */
1467 for (bx = 0; bx < layer; bx++)
1468 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1469 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1470 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1471 }
1472 } /* else not already head object or blank face */
1473
1474 /* This is a real hack. Basically, if we have nothing to send for this layer,
1475 * but there is a head on the next layer, send that instead.
1476 * Without this, what happens is you can get the case where the player stands
1477 * on the same space as the head. However, if you have overlapping big objects
1478 * of the same type, what happens then is it doesn't think it needs to send
1479 * This tends to make stacking also work/look better.
1480 */
1481 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1482 {
1483 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1484 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1485 }
1486
1487 /* Another hack - because of heads and whatnot, this face may match one
1488 * we already sent for a lower layer. In that case, don't send
1489 * this one.
1490 */
1491 if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1492 face_num = 0;
1493 870
1494 /* 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
1495 * 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.
1496 */ 873 */
1497 if (ns.lastmap.cells[sx][sy].faces[layer] != face_num) 874 if (lastcell.faces[layer] != face_num)
1498 { 875 {
1499 ns.lastmap.cells[sx][sy].faces[layer] = face_num; 876 lastcell.faces[layer] = face_num;
877
1500 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
1501 esrv_send_face (&ns, face_num, 0); 882 ns.send_face (face_num, 10);
1502 883
1503 sl << uint16 (face_num); 884 sl << uint16 (face_num);
1504 return 1; 885 return 1;
1505 } 886 }
1506 887
1507 /* Nothing changed */ 888 /* Nothing changed */
1508 return 0; 889 return 0;
1509} 890}
1510 891
1511/** 892/**
1512 * This function is mainly a copy of update_space,
1513 * except it handles update of the smoothing updates,
1514 * not the face updates.
1515 * Removes the need to replicate the same code for each layer.
1516 * this returns true if this smooth is now in fact different
1517 * than it was.
1518 * sl is the socklist this data is going into.
1519 * ns is the socket we are working on - all the info we care
1520 * about is in this socket structure, so know need to pass the
1521 * entire player object.
1522 * mx and my are map coordinate offsets for map mp
1523 * sx and sy are the offsets into the socket structure that
1524 * holds the old values.
1525 * layer is the layer to update, with 2 being the floor and 0 the
1526 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1527 * take.
1528 */
1529
1530static inline int
1531update_smooth (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer)
1532{
1533 object *ob;
1534 int smoothlevel; /* old face_num; */
1535
1536 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1537
1538 /* If there is no object for this space, or if the face for the object
1539 * is the blank face, set the smoothlevel to zero.
1540 */
1541 if (!ob || ob->face == blank_face || MAP_NOSMOOTH (mp))
1542 smoothlevel = 0;
1543 else
1544 {
1545 smoothlevel = ob->smoothlevel;
1546 if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1547 SendSmooth (&ns, ob->face->number);
1548 } /* else not already head object or blank face */
1549
1550 /* We've gotten what face we want to use for the object. Now see if
1551 * if it has changed since we last sent it to the client.
1552 */
1553 if (smoothlevel > 255)
1554 smoothlevel = 255;
1555 else if (smoothlevel < 0)
1556 smoothlevel = 0;
1557
1558 if (ns.lastmap.cells[sx][sy].smooth[layer] != smoothlevel)
1559 {
1560 ns.lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1561 sl << uint8 (smoothlevel);
1562 return 1;
1563 }
1564
1565 /* Nothing changed */
1566 return 0;
1567}
1568
1569/**
1570 * Returns the size of a data for a map square as returned by
1571 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
1572 * available.
1573 */
1574int
1575getExtendedMapInfoSize (client * ns)
1576{
1577 int result = 0;
1578
1579 if (ns->ext_mapinfos)
1580 {
1581 if (ns->EMI_smooth)
1582 result += 1; /*One byte for smoothlevel */
1583 }
1584
1585 return result;
1586}
1587
1588/**
1589 * This function uses the new map1 protocol command to send the map
1590 * to the client. It is necessary because the old map command supports
1591 * a maximum map size of 15x15.
1592 * This function is much simpler than the old one. This is because
1593 * the old function optimized to send as few face identifiers as possible,
1594 * at the expense of sending more coordinate location (coordinates were
1595 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1596 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1597 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1598 * and use the other 4 bits for other informatiion. For full documentation
1599 * of what we send, see the doc/Protocol file.
1600 * I will describe internally what we do:
1601 * the socket->lastmap shows how the map last looked when sent to the client.
1602 * in the lastmap structure, there is a cells array, which is set to the
1603 * maximum viewable size (As set in config.h).
1604 * in the cells, there are faces and a count value.
1605 * we use the count value to hold the darkness value. If -1, then this space
1606 * is not viewable.
1607 * we use faces[0] faces[1] faces[2] to hold what the three layers
1608 * look like.
1609 */
1610void
1611draw_client_map1 (object *pl)
1612{
1613 int x, y, ax, ay, d, startlen, max_x, max_y, oldlen;
1614 sint16 nx, ny;
1615 int estartlen, eoldlen;
1616 uint16 mask, emask;
1617 uint8 eentrysize;
1618 uint16 ewhatstart, ewhatflag;
1619 uint8 extendedinfos;
1620 maptile *m;
1621
1622 client &socket = *pl->contr->socket;
1623
1624 check_map_change (pl->contr);
1625
1626 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1627 packet esl;
1628
1629 startlen = sl.length ();
1630
1631 /*Extendedmapinfo structure initialisation */
1632 if (socket.ext_mapinfos)
1633 {
1634 extendedinfos = EMI_NOREDRAW;
1635
1636 if (socket.EMI_smooth)
1637 extendedinfos |= EMI_SMOOTH;
1638
1639 ewhatstart = esl.length ();
1640 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1641 could need to be taken away */
1642 eentrysize = getExtendedMapInfoSize (&socket);
1643 esl << "mapextended "
1644 << uint8 (extendedinfos)
1645 << uint8 (eentrysize);
1646
1647 estartlen = esl.length ();
1648 }
1649 else
1650 {
1651 /* suppress compiler warnings */
1652 ewhatstart = 0;
1653 ewhatflag = 0;
1654 estartlen = 0;
1655 }
1656
1657 /* Init data to zero */
1658 memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1659
1660 /* x,y are the real map locations. ax, ay are viewport relative
1661 * locations.
1662 */
1663 ay = 0;
1664
1665 /* We could do this logic as conditionals in the if statement,
1666 * but that started to get a bit messy to look at.
1667 */
1668 max_x = pl->x + (socket.mapx + 1) / 2;
1669 max_y = pl->y + (socket.mapy + 1) / 2;
1670
1671 if (socket.mapmode == Map1aCmd)
1672 {
1673 max_x += MAX_HEAD_OFFSET;
1674 max_y += MAX_HEAD_OFFSET;
1675 }
1676
1677 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1678 {
1679 ax = 0;
1680 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1681 {
1682 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1683
1684 /* If this space is out of the normal viewable area, we only check
1685 * the heads value ax or ay will only be greater than what
1686 * the client wants if using the map1a command - this is because
1687 * if the map1a command is not used, max_x and max_y will be
1688 * set to lower values.
1689 */
1690 if (ax >= socket.mapx || ay >= socket.mapy)
1691 {
1692 int i, got_one;
1693
1694 oldlen = sl.length ();
1695
1696 sl << uint16 (mask);
1697
1698 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1699 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1700 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1701
1702 /* If all we are doing is sending 0 (blank) faces, we don't
1703 * actually need to send that - just the coordinates
1704 * with no faces tells the client to blank out the
1705 * space.
1706 */
1707 got_one = 0;
1708 for (i = oldlen + 2; i < sl.length (); i++)
1709 if (sl[i])
1710 got_one = 1;
1711
1712 if (got_one && (mask & 0xf))
1713 sl[oldlen + 1] = mask & 0xff;
1714 else
1715 { /*either all faces blank, either no face at all */
1716 if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */
1717 sl.reset (oldlen + 2);
1718 else
1719 sl.reset (oldlen);
1720 }
1721
1722 /*What concerns extendinfos, nothing to be done for now
1723 * (perhaps effects layer later)
1724 */
1725 continue; /* don't do processing below */
1726 }
1727
1728 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1729
1730 d = pl->contr->blocked_los[ax][ay];
1731
1732 /* If the coordinates are not valid, or it is too dark to see,
1733 * we tell the client as such
1734 */
1735 nx = x;
1736 ny = y;
1737 m = get_map_from_coord (pl->map, &nx, &ny);
1738
1739 if (!m)
1740 {
1741 /* space is out of map. Update space and clear values
1742 * if this hasn't already been done. If the space is out
1743 * of the map, it shouldn't have a head
1744 */
1745 if (lastcell.count != -1)
1746 {
1747 sl << uint16 (mask);
1748 map_clearcell (&lastcell, 0, 0, 0, -1);
1749 }
1750 }
1751 else if (d > 3)
1752 {
1753 int need_send = 0, count;
1754
1755 /* This block deals with spaces that are not visible for whatever
1756 * reason. Still may need to send the head for this space.
1757 */
1758
1759 oldlen = sl.length ();
1760
1761 sl << uint16 (mask);
1762
1763 if (lastcell.count != -1)
1764 need_send = 1;
1765
1766 count = -1;
1767
1768 if (socket.mapmode == Map1aCmd && have_head (ax, ay))
1769 {
1770 /* Now check to see if any heads need to be sent */
1771
1772 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1773 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1774 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1775
1776 lastcell.count = count;
1777 }
1778 else
1779 {
1780 /* properly clear a previously sent big face */
1781 if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0
1782 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1783 need_send = 1;
1784
1785 map_clearcell (&lastcell, 0, 0, 0, count);
1786 }
1787
1788 if ((mask & 0xf) || need_send)
1789 sl[oldlen + 1] = mask & 0xff;
1790 else
1791 sl.reset (oldlen);
1792 }
1793 else
1794 {
1795 /* In this block, the space is visible or there are head objects
1796 * we need to send.
1797 */
1798
1799 /* Rather than try to figure out what everything that we might
1800 * need to send is, then form the packet after that,
1801 * we presume that we will in fact form a packet, and update
1802 * the bits by what we do actually send. If we send nothing,
1803 * we just back out sl.length () to the old value, and no harm
1804 * is done.
1805 * I think this is simpler than doing a bunch of checks to see
1806 * what if anything we need to send, setting the bits, then
1807 * doing those checks again to add the real data.
1808 */
1809 oldlen = sl.length ();
1810 mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1811 eoldlen = esl.length ();
1812 emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1813 sl << uint16 (mask);
1814
1815 if (socket.ext_mapinfos)
1816 esl << uint16 (emask);
1817
1818 unsigned char dummy;
1819 unsigned char *last_ext = &dummy;
1820
1821 /* Darkness changed */
1822 if (lastcell.count != d && socket.darkness)
1823 {
1824 mask |= 0x8;
1825
1826 if (socket.extmap)
1827 {
1828 *last_ext |= 0x80;
1829 last_ext = &sl[sl.length ()];
1830 sl << uint8 (d);
1831 }
1832 else
1833 sl << uint8 (255 - 64 * d);
1834 }
1835
1836 lastcell.count = d;
1837
1838 if (socket.extmap)
1839 {
1840 uint8 stat_hp = 0;
1841 uint8 stat_width = 0;
1842 uint8 flags = 0;
1843 UUID player = 0;
1844
1845 // send hp information, if applicable
1846 if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0))
1847 {
1848 if (op->head || op->invisible)
1849 ; // do not show
1850 else if (op->type == PLAYER
1851 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1852 {
1853 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1854 {
1855 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1856 stat_width = op->arch->tail_x;
1857 }
1858 }
1859
1860 if (op->msg && op->msg[0] == '@')
1861 flags |= 1;
1862
1863 if (op->type == PLAYER && op != pl)
1864 player = op->count;
1865 }
1866
1867 if (lastcell.stat_hp != stat_hp)
1868 {
1869 lastcell.stat_hp = stat_hp;
1870
1871 mask |= 0x8;
1872 *last_ext |= 0x80;
1873 last_ext = &sl[sl.length ()];
1874
1875 sl << uint8 (5) << uint8 (stat_hp);
1876
1877 if (stat_width > 1)
1878 {
1879 *last_ext |= 0x80;
1880 last_ext = &sl[sl.length ()];
1881
1882 sl << uint8 (6) << uint8 (stat_width);
1883 }
1884 }
1885
1886 if (lastcell.player != player)
1887 {
1888 lastcell.player = player;
1889
1890 mask |= 0x8;
1891 *last_ext |= 0x80;
1892 last_ext = &sl[sl.length ()];
1893
1894 sl << uint8 (0x47) << uint8 (8) << (uint64)player;
1895 }
1896
1897 if (lastcell.flags != flags)
1898 {
1899 lastcell.flags = flags;
1900
1901 mask |= 0x8;
1902 *last_ext |= 0x80;
1903 last_ext = &sl[sl.length ()];
1904
1905 sl << uint8 (8) << uint8 (flags);
1906 }
1907 }
1908
1909 /* Floor face */
1910 if (update_space (sl, socket, m, nx, ny, ax, ay, 2))
1911 mask |= 0x4;
1912
1913 if (socket.EMI_smooth)
1914 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 2))
1915 emask |= 0x4;
1916
1917 /* Middle face */
1918 if (update_space (sl, socket, m, nx, ny, ax, ay, 1))
1919 mask |= 0x2;
1920
1921 if (socket.EMI_smooth)
1922 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1))
1923 emask |= 0x2;
1924
1925 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
1926 {
1927 if (lastcell.faces[0] != pl->face->number)
1928 {
1929 lastcell.faces[0] = pl->face->number;
1930 mask |= 0x1;
1931
1932 if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE))
1933 esrv_send_face (&socket, pl->face->number, 0);
1934
1935 sl << uint16 (pl->face->number);
1936 }
1937 }
1938 else
1939 {
1940 /* Top face */
1941 if (update_space (sl, socket, m, nx, ny, ax, ay, 0))
1942 mask |= 0x1;
1943
1944 if (socket.EMI_smooth)
1945 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 0))
1946 emask |= 0x1;
1947 }
1948
1949 /* Check to see if we are in fact sending anything for this
1950 * space by checking the mask. If so, update the mask.
1951 * if not, reset the len to that from before adding the mask
1952 * value, so we don't send those bits.
1953 */
1954 if (mask & 0xf)
1955 sl[oldlen + 1] = mask & 0xff;
1956 else
1957 sl.reset (oldlen);
1958
1959 if (emask & 0xf)
1960 esl[eoldlen + 1] = emask & 0xff;
1961 else
1962 esl.reset (eoldlen);
1963 } /* else this is a viewable space */
1964 } /* for x loop */
1965 } /* for y loop */
1966
1967 /* Verify that we in fact do need to send this */
1968 if (socket.ext_mapinfos)
1969 {
1970 if (!(sl.length () > startlen || socket.sent_scroll))
1971 {
1972 /* No map data will follow, so don't say the client
1973 * it doesn't need draw!
1974 */
1975 ewhatflag &= (~EMI_NOREDRAW);
1976 esl[ewhatstart + 1] = ewhatflag & 0xff;
1977 }
1978
1979 if (esl.length () > estartlen)
1980 socket.send_packet (esl);
1981 }
1982
1983 if (sl.length () > startlen || socket.sent_scroll)
1984 {
1985 socket.send_packet (sl);
1986 socket.sent_scroll = 0;
1987 }
1988}
1989
1990/**
1991 * Draws client map. 893 * Draws client map.
1992 */ 894 */
1993void 895void
1994draw_client_map (object *pl) 896draw_client_map (player *pl)
1995{ 897{
1996 int i, j; 898 object *ob = pl->viewpoint;
1997 sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ 899 if (!pl->observe->active)
1998 New_Face *face, *floor;
1999 New_Face *floor2;
2000 int d, mflags;
2001 struct Map newmap;
2002 maptile *m, *pm;
2003
2004 if (pl->type != PLAYER)
2005 {
2006 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
2007 return; 900 return;
2008 }
2009
2010 pm = pl->map;
2011 901
2012 /* If player is just joining the game, he isn't here yet, so the map 902 /* If player is just joining the game, he isn't here yet, so the map
2013 * can get swapped out. If so, don't try to send them a map. All will 903 * can get swapped out. If so, don't try to send them a map. All will
2014 * be OK once they really log in. 904 * be OK once they really log in.
2015 */ 905 */
2016 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY) 906 if (!ob->map || ob->map->state != MAP_ACTIVE)
2017 return; 907 return;
2018 908
2019 memset (&newmap, 0, sizeof (struct Map)); 909 int startlen, oldlen;
2020 910
2021 for (j = (pl->y - pl->contr->socket->mapy / 2); j < (pl->y + (pl->contr->socket->mapy + 1) / 2); j++) 911 check_map_change (pl);
2022 for (i = (pl->x - pl->contr->socket->mapx / 2); i < (pl->x + (pl->contr->socket->mapx + 1) / 2); i++) 912 pl->ob->prefetch_surrounding_maps ();
913
914 /* do LOS after calls to update_position */
915 /* unfortunately, we need to udpate los when observing, currently */
916 if (pl->do_los || pl->viewpoint != pl->ob)
917 {
918 pl->do_los = 0;
919 pl->update_los ();
920 }
921
922 /**
923 * This function uses the new map1 protocol command to send the map
924 * to the client. It is necessary because the old map command supports
925 * a maximum map size of 15x15.
926 * This function is much simpler than the old one. This is because
927 * the old function optimized to send as few face identifiers as possible,
928 * at the expense of sending more coordinate location (coordinates were
929 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
930 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
931 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
932 * and use the other 4 bits for other informatiion. For full documentation
933 * of what we send, see the doc/Protocol file.
934 * I will describe internally what we do:
935 * the ns->lastmap shows how the map last looked when sent to the client.
936 * in the lastmap structure, there is a cells array, which is set to the
937 * maximum viewable size (As set in config.h).
938 * in the cells, there are faces and a count value.
939 * we use the count value to hold the darkness value. If -1, then this space
940 * is not viewable.
941 * we use faces[0] faces[1] faces[2] to hold what the three layers
942 * look like.
943 */
944
945 client &socket = *pl->ns;
946
947 packet sl ("map1a");
948
949 startlen = sl.length ();
950
951 int hx = socket.mapx / 2;
952 int hy = socket.mapy / 2;
953
954 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
955 int ax = dx + hx;
956 int ay = dy + hy;
957
958 int mask = (ax << 10) | (ay << 4);
959 MapCell &lastcell = socket.lastmap.cells[ax][ay];
960
961 /* If the coordinates are not valid, or it is too dark to see,
962 * we tell the client as such
963 */
964 if (!m)
2023 { 965 {
2024 ax = i; 966 /* space is out of map. Update space and clear values
2025 ay = j; 967 * if this hasn't already been done. If the space is out
2026 m = pm; 968 * of the map, it shouldn't have a head.
2027 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
2028
2029 if (mflags & P_OUT_OF_MAP)
2030 continue;
2031
2032 /* If a map is visible to the player, we don't want to swap it out
2033 * just to reload it. This should really call something like
2034 * swap_map, but this is much more efficient and 'good enough'
2035 */ 969 */
2036 if (mflags & P_NEW_MAP) 970 if (lastcell.count != -1)
2037 m->timeout = 50; 971 {
972 sl << uint16 (mask);
973 map_clearcell (&lastcell, -1);
974 }
975
976 continue;
2038 } 977 }
2039 978
2040 /* do LOS after calls to update_position */ 979 int d = pl->blocked_los_uc (dx, dy);
2041 if (pl->contr->do_los) 980
981 if (d > 3)
2042 { 982 {
2043 update_los (pl); 983 /* This block deals with spaces that are not visible for whatever
2044 pl->contr->do_los = 0; 984 * reason. Still may need to send the head for this space.
985 */
986 if (lastcell.count != -1
987 || lastcell.faces[0]
988 || lastcell.faces[1]
989 || lastcell.faces[2]
990 || lastcell.stat_hp
991 || lastcell.flags
992 || lastcell.player)
993 sl << uint16 (mask);
994
995 /* properly clear a previously sent big face */
996 map_clearcell (&lastcell, -1);
2045 } 997 }
2046 998 else
2047 /* Big maps need a different drawing mechanism to work */
2048 draw_client_map1 (pl);
2049}
2050
2051
2052/*****************************************************************************/
2053
2054/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
2055
2056/* a player. Of course, the client need to know the command to be able to */
2057
2058/* manage it ! */
2059
2060/*****************************************************************************/
2061void
2062send_plugin_custom_message (object *pl, char *buf)
2063{
2064 pl->contr->socket->send_packet (buf);
2065}
2066
2067/**
2068 * This sends the skill number to name mapping. We ignore
2069 * the params - we always send the same info no matter what.
2070 */
2071void
2072send_skill_info (client *ns, char *params)
2073{
2074 packet sl;
2075 sl << "replyinfo skill_info\n";
2076
2077 for (int i = 1; i < NUM_SKILLS; i++)
2078 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
2079
2080 if (sl.length () >= MAXSOCKBUF)
2081 { 999 {
2082 LOG (llevError, "Buffer overflow in send_skill_info!\n"); 1000 /* In this block, the space is visible.
2083 fatal (0); 1001 */
1002
1003 /* Rather than try to figure out what everything that we might
1004 * need to send is, then form the packet after that,
1005 * we presume that we will in fact form a packet, and update
1006 * the bits by what we do actually send. If we send nothing,
1007 * we just back out sl.length () to the old value, and no harm
1008 * is done.
1009 * I think this is simpler than doing a bunch of checks to see
1010 * what if anything we need to send, setting the bits, then
1011 * doing those checks again to add the real data.
1012 */
1013 oldlen = sl.length ();
1014
1015 sl << uint16 (mask);
1016
1017 unsigned char dummy;
1018 unsigned char *last_ext = &dummy;
1019
1020 /* Darkness changed */
1021 if (lastcell.count != d)
1022 {
1023 mask |= 0x8;
1024
1025 *last_ext |= 0x80;
1026 last_ext = &sl[sl.length ()];
1027 sl << uint8 (d);
1028 }
1029
1030 lastcell.count = d;
1031
1032 mapspace &ms = m->at (nx, ny);
1033 ms.update ();
1034
1035 // extmap handling
1036 uint8 stat_hp = 0;
1037 uint8 stat_width = 0;
1038 uint8 flags = 0;
1039 tag_t player = 0;
1040
1041 // send hp information, if applicable
1042 if (object *op = ms.faces_obj [0])
1043 if (op->is_head () && !op->invisible)
1044 {
1045 if (op->stats.maxhp > op->stats.hp
1046 && op->stats.maxhp > 0
1047 && (op->type == PLAYER
1048 || op->type == DOOR // does not work, have maxhp 0
1049 || op->flag [FLAG_MONSTER]
1050 || op->flag [FLAG_ALIVE]
1051 || op->flag [FLAG_GENERATOR]))
1052 {
1053 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1054 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1055 }
1056
1057 if (expect_false (op->has_dialogue ()))
1058 flags |= 1;
1059
1060 if (expect_false (op->type == PLAYER))
1061 player = op == ob ? pl->ob->count
1062 : op == pl->ob ? ob->count
1063 : op->count;
1064 }
1065
1066 if (expect_false (lastcell.stat_hp != stat_hp))
1067 {
1068 lastcell.stat_hp = stat_hp;
1069
1070 mask |= 0x8;
1071 *last_ext |= 0x80;
1072 last_ext = &sl[sl.length ()];
1073
1074 sl << uint8 (5) << uint8 (stat_hp);
1075
1076 if (stat_width > 1)
1077 {
1078 *last_ext |= 0x80;
1079 last_ext = &sl[sl.length ()];
1080
1081 sl << uint8 (6) << uint8 (stat_width);
1082 }
1083 }
1084
1085 if (expect_false (lastcell.player != player))
1086 {
1087 lastcell.player = player;
1088
1089 mask |= 0x8;
1090 *last_ext |= 0x80;
1091 last_ext = &sl[sl.length ()];
1092
1093 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1094 }
1095
1096 if (expect_false (lastcell.flags != flags))
1097 {
1098 lastcell.flags = flags;
1099
1100 mask |= 0x8;
1101 *last_ext |= 0x80;
1102 last_ext = &sl[sl.length ()];
1103
1104 sl << uint8 (8) << uint8 (flags);
1105 }
1106
1107 // faces
1108
1109 /* Floor face */
1110 if (update_space (sl, socket, ms, lastcell, 2))
1111 mask |= 0x4;
1112
1113 /* Middle face */
1114 if (update_space (sl, socket, ms, lastcell, 1))
1115 mask |= 0x2;
1116
1117 if (expect_false (ob->invisible)
1118 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1119 && ms.player () == ob)
1120 {
1121 // force player to be visible to himself if invisible
1122 if (lastcell.faces[0] != ob->face)
1123 {
1124 lastcell.faces[0] = ob->face;
1125
1126 mask |= 0x1;
1127 sl << uint16 (ob->face);
1128
1129 socket.send_faces (ob);
1130 }
1131 }
1132 /* Top face */
1133 else if (update_space (sl, socket, ms, lastcell, 0))
1134 mask |= 0x1;
1135
1136 /* Check to see if we are in fact sending anything for this
1137 * space by checking the mask. If so, update the mask.
1138 * if not, reset the len to that from before adding the mask
1139 * value, so we don't send those bits.
1140 */
1141 if (mask & 0xf)
1142 sl[oldlen + 1] = mask & 0xff;
1143 else
1144 sl.reset (oldlen);
1145 } /* else this is a viewable space */
1146 ordered_mapwalk_end
1147
1148 socket.flush_fx ();
1149
1150 if (sl.length () > startlen || socket.sent_scroll)
2084 } 1151 {
2085
2086 ns->send_packet (sl); 1152 socket.send_packet (sl);
2087} 1153 socket.sent_scroll = 0;
2088
2089/**
2090 * This sends the spell path to name mapping. We ignore
2091 * the params - we always send the same info no matter what.
2092 */
2093void
2094send_spell_paths (client * ns, char *params)
2095{
2096 packet sl;
2097
2098 sl << "replyinfo spell_paths\n";
2099
2100 for (int i = 0; i < NRSPELLPATHS; i++)
2101 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
2102
2103 if (sl.length () >= MAXSOCKBUF)
2104 { 1154 }
2105 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
2106 fatal (0);
2107 }
2108
2109 ns->send_packet (sl);
2110} 1155}
2111 1156
2112/** 1157/**
2113 * This looks for any spells the player may have that have changed their stats. 1158 * This looks for any spells the player may have that have changed their stats.
2114 * it then sends an updspell packet for each spell that has changed in this way 1159 * it then sends an updspell packet for each spell that has changed in this way
2115 */ 1160 */
2116void 1161void
2117esrv_update_spells (player *pl) 1162esrv_update_spells (player *pl)
2118{ 1163{
2119 if (!pl->socket->monitor_spells) 1164 if (!pl->ns)
2120 return; 1165 return;
2121 1166
1167 pl->ns->update_spells = false;
1168
1169 if (!pl->ns->monitor_spells)
1170 return;
1171
2122 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1172 for (object *spell = pl->ob->inv; spell; spell = spell->below)
2123 {
2124 if (spell->type == SPELL) 1173 if (spell->type == SPELL)
2125 { 1174 {
2126 int flags = 0; 1175 int flags = 0;
1176 int val;
2127 1177
2128 /* check if we need to update it */ 1178 /* check if we need to update it */
2129 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1179 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1180 if (spell->cached_sp != val)
2130 { 1181 {
2131 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1182 spell->cached_sp = val;
2132 flags |= UPD_SP_MANA; 1183 flags |= UPD_SP_MANA;
2133 } 1184 }
2134 1185
2135 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1186 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1187 if (spell->cached_grace != val)
2136 { 1188 {
2137 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1189 spell->cached_grace = val;
2138 flags |= UPD_SP_GRACE; 1190 flags |= UPD_SP_GRACE;
2139 } 1191 }
2140 1192
2141 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1193 val = casting_level (pl->ob, spell);
1194 if (spell->cached_eat != val)
2142 { 1195 {
2143 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1196 spell->cached_eat = val;
2144 flags |= UPD_SP_DAMAGE; 1197 flags |= UPD_SP_LEVEL;
2145 } 1198 }
2146 1199
2147 if (flags) 1200 if (flags)
2148 { 1201 {
2149 packet sl; 1202 packet sl;
2150 1203
2151 sl << "updspell " 1204 sl << "updspell "
2152 << uint8 (flags) 1205 << uint8 (flags)
2153 << uint32 (spell->count); 1206 << uint32 (spell->count);
2154 1207
2155 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1208 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
2156 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1209 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
2157 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1210 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
2158 1211
2159 pl->socket->send_packet (sl); 1212 pl->ns->send_packet (sl);
2160 } 1213 }
2161 } 1214 }
2162 }
2163} 1215}
2164 1216
2165void 1217void
2166esrv_remove_spell (player *pl, object *spell) 1218esrv_remove_spell (player *pl, object *spell)
2167{ 1219{
2168 if (!pl->socket->monitor_spells) 1220 if (!pl->ns->monitor_spells)
2169 return; 1221 return;
2170 1222
2171 if (!pl || !spell || spell->env != pl->ob) 1223 if (!pl || !spell || spell->env != pl->ob)
2172 { 1224 {
2173 LOG (llevError, "Invalid call to esrv_remove_spell"); 1225 LOG (llevError, "Invalid call to esrv_remove_spell");
… …
2176 1228
2177 packet sl ("delspell"); 1229 packet sl ("delspell");
2178 1230
2179 sl << uint32 (spell->count); 1231 sl << uint32 (spell->count);
2180 1232
2181 pl->socket->send_packet (sl); 1233 pl->ns->send_packet (sl);
2182} 1234}
2183 1235
2184/* appends the spell *spell to the Socklist we will send the data to. */ 1236/* appends the spell *spell to the Socklist we will send the data to. */
2185static void 1237static void
2186append_spell (player *pl, packet &sl, object *spell) 1238append_spell (player *pl, packet &sl, object *spell)
2187{ 1239{
2188 int len, i, skill = 0; 1240 int skill = 0;
2189 1241
2190 if (!(spell->name)) 1242 if (!(spell->name))
2191 { 1243 {
2192 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1244 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2193 return; 1245 return;
2194 } 1246 }
2195 1247
2196 /* store costs and damage in the object struct, to compare to later */ 1248 /* store costs and damage in the object struct, to compare to later */
2197 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1249 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
2198 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1250 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
2199 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1251 spell->cached_eat = casting_level (pl->ob, spell);
2200 1252
2201 /* figure out which skill it uses, if it uses one */ 1253 /* figure out which skill it uses, if it uses one */
2202 if (spell->skill) 1254 if (spell->skill)
2203 { 1255 if (object *tmp = pl->find_skill (spell->skill))
2204 for (i = 1; i < NUM_SKILLS; i++) 1256 skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
2205 if (!strcmp (spell->skill, skill_names[i])) 1257
2206 { 1258 // spells better have a face
2207 skill = i + CS_STAT_SKILLINFO; 1259 if (!spell->face)
2208 break;
2209 }
2210 } 1260 {
1261 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1262 spell->face = face_find ("burnout.x11", blank_face);
1263 }
1264
1265 pl->ns->send_face (spell->face);
2211 1266
2212 /* send the current values */ 1267 /* send the current values */
2213 sl << uint32 (spell->count) 1268 sl << uint32 (spell->count)
2214 << uint16 (spell->level) 1269 << uint16 (spell->level)
2215 << uint16 (spell->casting_time) 1270 << uint16 (spell->casting_time)
2216 << uint16 (spell->last_sp) 1271 << uint16 (spell->cached_sp)
2217 << uint16 (spell->last_grace) 1272 << uint16 (spell->cached_grace)
2218 << uint16 (spell->last_eat) 1273 << uint16 (spell->cached_eat)
2219 << uint8 (skill) 1274 << uint8 (skill)
2220 << uint32 (spell->path_attuned) 1275 << uint32 (spell->path_attuned)
2221 << uint32 (spell->face ? spell->face->number : 0) 1276 << uint32 (spell->face)
2222 << data8 (spell->name) 1277 << data8 (spell->name)
2223 << data16 (spell->msg); 1278 << data16 (spell->msg);
2224} 1279}
2225 1280
2226/** 1281/**
… …
2234 { 1289 {
2235 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player"); 1290 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");
2236 return; 1291 return;
2237 } 1292 }
2238 1293
2239 if (!pl->socket->monitor_spells) 1294 if (!pl->ns->monitor_spells)
2240 return; 1295 return;
2241 1296
2242 packet sl ("addspell"); 1297 packet sl ("addspell");
2243 1298
2244 if (!spell) 1299 if (!spell)
2245 { 1300 {
2246 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1301 for (spell = pl->ob->inv; spell; spell = spell->below)
2247 { 1302 {
2248 /* were we to simply keep appending data here, we could exceed 1303 /* were we to simply keep appending data here, we could exceed
2249 * MAXSOCKBUF if the player has enough spells to add, we know that 1304 * MAXSOCKBUF if the player has enough spells to add, we know that
2250 * append_spells will always append 19 data bytes, plus 4 length 1305 * append_spells will always append 19 data bytes, plus 4 length
2251 * bytes and 3 strings (because that is the spec) so we need to 1306 * bytes and 3 strings (because that is the spec) so we need to
2252 * check that the length of those 3 strings, plus the 23 bytes, 1307 * check that the length of those 3 strings, plus the 23 bytes,
2253 * won't take us over the length limit for the socket, if it does, 1308 * won't take us over the length limit for the socket, if it does,
2254 * we need to send what we already have, and restart packet formation 1309 * we need to send what we already have, and restart packet formation
2255 */ 1310 */
1311 if (spell->type != SPELL)
1312 continue;
1313
2256 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1314 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
2257 * to show add_spell is 26 bytes + 2 strings. However, the overun 1315 * to show add_spell is 26 bytes + 2 strings. However, the overun
2258 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1316 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
2259 * like it will fix this 1317 * like it will fix this
2260 */ 1318 */
2261 if (spell->type != SPELL)
2262 continue;
2263
2264 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1319 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
2265 { 1320 {
1321 pl->ns->flush_fx ();
2266 pl->socket->send_packet (sl); 1322 pl->ns->send_packet (sl);
2267 1323
2268 sl.reset (); 1324 sl.reset ();
2269 sl << "addspell "; 1325 sl << "addspell ";
2270 } 1326 }
2271 1327
… …
2278 return; 1334 return;
2279 } 1335 }
2280 else 1336 else
2281 append_spell (pl, sl, spell); 1337 append_spell (pl, sl, spell);
2282 1338
2283 if (sl.length () >= MAXSOCKBUF) 1339 if (sl.length () > MAXSOCKBUF)
2284 {
2285 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1340 cleanup ("buffer overflow in esrv_add_spells!");
2286 fatal (0);
2287 }
2288 1341
2289 /* finally, we can send the packet */ 1342 /* finally, we can send the packet */
1343 pl->ns->flush_fx ();
2290 pl->socket->send_packet (sl); 1344 pl->ns->send_packet (sl);
2291} 1345}
2292 1346
1347//-GPL
1348

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines