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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.16 by root, Sun Sep 10 13:43:33 2006 UTC vs.
Revision 1.195 by root, Sat Nov 17 23:40:05 2018 UTC

1
2/* 1/*
3 * static char *rcsid_init_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
4 * "$Id: request.C,v 1.16 2006/09/10 13:43:33 root Exp $";
5 */ 3 *
6 4 * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
7/* 5 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
8 CrossFire, A Multiplayer game for X-windows
9
10 Copyright (C) 2001 Mark Wedel 6 * Copyright (©) 2001 Mark Wedel
11 Copyright (C) 1992 Frank Tore Johansen 7 * Copyright (©) 1992 Frank Tore Johansen
12 8 *
13 This program is free software; you can redistribute it and/or modify 9 * Deliantra is free software: you can redistribute it and/or modify it under
14 it under the terms of the GNU General Public License as published by 10 * the terms of the Affero GNU General Public License as published by the
15 the Free Software Foundation; either version 2 of the License, or 11 * Free Software Foundation, either version 3 of the License, or (at your
16 (at your option) any later version. 12 * option) any later version.
17 13 *
18 This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details. 17 * GNU General Public License for more details.
22 18 *
23 You should have received a copy of the GNU General Public License 19 * You should have received a copy of the Affero GNU General Public License
24 along with this program; if not, write to the Free Software 20 * and the GNU General Public License along with this program. If not, see
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * <http://www.gnu.org/licenses/>.
26 22 *
27 The author can be reached via e-mail to crossfire-devel@real-time.com 23 * The authors can be reached via e-mail to <support@deliantra.net>
28*/ 24 */
25
26//+GPL
29 27
30/** 28/**
31 * \file 29 * \file
32 * Client handling. 30 * Client handling.
33 * 31 *
34 * \date 2003-12-02 32 * \date 2003-12-02
35 * 33 *
36 * This file implements all of the goo on the server side for handling 34 * This file implements all of the goo on the server side for handling
37 * clients. It's got a bunch of global variables for keeping track of 35 * clients. It's got a bunch of global variables for keeping track of
38 * each of the clients. 36 * each of the clients.
39 * 37 *
40 * Note: All functions that are used to process data from the client 38 * Note: All functions that are used to process data from the client
41 * have the prototype of (char *data, int datalen, int client_num). This 39 * have the prototype of (char *data, int datalen, int client_num). This
42 * way, we can use one dispatch table. 40 * way, we can use one dispatch table.
43 * 41 *
44 * esrv_map_new starts updating the map 42 * esrv_map_new starts updating the map
45 * 43 *
46 * esrv_map_setbelow allows filling in all of the faces for the map.
47 * if a face has not already been sent to the client, it is sent now.
48 *
49 * mapcellchanged, compactlayer, compactstack, perform the map compressing
50 * operations
51 *
52 * esrv_map_doneredraw finishes the map update, and ships across the
53 * map updates.
54 *
55 * esrv_map_scroll tells the client to scroll the map, and does similarily
56 * for the locally cached copy.
57 */ 44 */
58 45
59#include <global.h> 46#include <global.h>
60#include <sproto.h> 47#include <sproto.h>
61 48
62#include <newclient.h>
63#include <newserver.h>
64#include <living.h> 49#include <living.h>
65#include <commands.h>
66 50
67/* This block is basically taken from socket.c - I assume if it works there, 51/* This block is basically taken from socket.c - I assume if it works there,
68 * it should work here. 52 * it should work here.
69 */ 53 */
70#ifndef WIN32 /* ---win32 exclude unix headers */
71# include <sys/types.h> 54#include <sys/types.h>
72# include <sys/time.h> 55#include <sys/time.h>
73# include <sys/socket.h> 56#include <sys/socket.h>
74# include <netinet/in.h> 57#include <netinet/in.h>
75# include <netdb.h> 58#include <netdb.h>
76#endif /* win32 */
77 59
78#ifdef HAVE_UNISTD_H
79# include <unistd.h> 60#include <unistd.h>
80#endif
81
82#ifdef HAVE_SYS_TIME_H
83# include <sys/time.h> 61#include <sys/time.h>
84#endif
85 62
86#include "sounds.h" 63#include "sounds.h"
87 64
88/** 65/**
89 * This table translates the attack numbers as used within the 66 * This table translates the attack numbers as used within the
90 * program to the value we use when sending STATS command to the 67 * program to the value we use when sending STATS command to the
91 * client. If a value is -1, then we don't send that to the 68 * client. If a value is -1, then we don't send that to the
92 * client. 69 * client.
93 */ 70 */
94short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 71static short atnr_cs_stat[NROFATTACKS] =
95 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 72{
96 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 73 CS_STAT_RES_PHYS,
97 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 74 CS_STAT_RES_MAG,
98 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 75 CS_STAT_RES_FIRE,
99 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 76 CS_STAT_RES_ELEC,
100 CS_STAT_RES_FEAR, -1 /* Cancellation */ , 77 CS_STAT_RES_COLD,
101 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, 78 CS_STAT_RES_CONF,
102 -1 /* Chaos */ , -1 /* Counterspell */ , 79 CS_STAT_RES_ACID,
103 -1 /* Godpower */ , CS_STAT_RES_HOLYWORD, 80 CS_STAT_RES_DRAIN,
81 -1 /* weaponmagic */,
82 CS_STAT_RES_GHOSTHIT,
83 CS_STAT_RES_POISON,
84 CS_STAT_RES_SLOW,
85 CS_STAT_RES_PARA,
86 CS_STAT_TURN_UNDEAD,
87 CS_STAT_RES_FEAR,
88 -1 /* Cancellation */,
89 CS_STAT_RES_DEPLETE,
90 CS_STAT_RES_DEATH,
91 -1 /* Chaos */,
92 -1 /* Counterspell */,
93 -1 /* Godpower */,
94 CS_STAT_RES_HOLYWORD,
104 CS_STAT_RES_BLIND, 95 CS_STAT_RES_BLIND,
105 -1, /* Internal */ 96 -1, /* Internal */
106 -1, /* life stealing */ 97 -1, /* life stealing */
107 -1 /* Disease - not fully done yet */ 98 -1 /* Disease - not fully done yet */
108}; 99};
109 100
110static void 101static void
111socket_map_scroll (NewSocket * ns, int dx, int dy) 102socket_map_scroll (client *ns, int dx, int dy)
112{ 103{
113 struct Map newmap; 104 struct Map newmap;
114 int x, y, mx, my; 105 int x, y, mx, my;
115 106
116 {
117 char buf[MAXSOCKBUF];
118
119 sprintf (buf, "map_scroll %d %d", dx, dy); 107 ns->send_packet_printf ("map_scroll %d %d", dx, dy);
120 Write_String_To_Socket (ns, buf, strlen (buf));
121 }
122 108
123 /* If we are using the Map1aCmd, we may in fact send 109 /* If we are using the Map1aCmd, we may in fact send
124 * head information that is outside the viewable map. 110 * head information that is outside the viewable map.
125 * So set the mx,my to the max value we want to 111 * So set the mx,my to the max value we want to
126 * look for. Removed code to do so - it caused extra 112 * look for. Removed code to do so - it caused extra
… …
128 * that much difference in bandwidth. 114 * that much difference in bandwidth.
129 */ 115 */
130 mx = ns->mapx; 116 mx = ns->mapx;
131 my = ns->mapy; 117 my = ns->mapy;
132 118
133 if (ns->mapmode == Map1aCmd)
134 {
135 mx += MAX_HEAD_OFFSET;
136 my += MAX_HEAD_OFFSET;
137 }
138
139 /* the x and y here are coordinates for the new map, i.e. if we moved 119 /* the x and y here are coordinates for the new map, i.e. if we moved
140 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 120 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
141 * if the destination x or y coordinate is outside the viewable 121 * if the destination x or y coordinate is outside the viewable
142 * area, we clear the values - otherwise, the old values 122 * area, we clear the values - otherwise, the old values
143 * are preserved, and the check_head thinks it needs to clear them. 123 * are preserved, and the check_head thinks it needs to clear them.
144 */ 124 */
145 for (x = 0; x < mx; x++) 125 for (x = 0; x < mx; x++)
146 {
147 for (y = 0; y < my; y++) 126 for (y = 0; y < my; y++)
148 {
149 if (x >= ns->mapx || y >= ns->mapy) 127 if (x >= ns->mapx || y >= ns->mapy)
150 {
151 /* clear cells outside the viewable area */ 128 /* clear cells outside the viewable area */
152 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 129 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
153 }
154 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 130 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
155 {
156 /* clear newly visible tiles within the viewable area */ 131 /* clear newly visible tiles within the viewable area */
157 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 132 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
158 }
159 else 133 else
160 {
161 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 134 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
162 }
163 }
164 }
165 135
166 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 136 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
167 137
168 /* Make sure that the next "map1" command will be sent (even if it is 138 /* Make sure that the next "map1" command will be sent (even if it is
169 * empty). 139 * empty).
… …
172} 142}
173 143
174static void 144static void
175clear_map (player *pl) 145clear_map (player *pl)
176{ 146{
177 NewSocket & socket = pl->socket; 147 pl->ns->mapinfo_queue_clear ();
178 148
179 memset (&socket.lastmap, 0, sizeof (socket.lastmap)); 149 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
180 150
151 pl->ns->force_newmap = false;
152 pl->ns->send_packet ("newmap");
153 pl->ns->floorbox_reset ();
154}
155
156static void
157send_map_info (player *pl)
158{
159 client &socket = *pl->ns;
160 object *ob = pl->viewpoint;
161
181 if (socket.newmapcmd == 1) 162 if (socket.mapinfocmd)
182 Write_String_To_Socket (&socket, "newmap", 6); 163 {
164 if (ob->map && ob->map->path)
165 {
166 int flags = 0;
183 167
184 socket.update_look = 1; 168 // due to historical glitches, the bit ordering and map index ordering differs
185 socket.look_position = 0; 169 if (ob->map->tile_path [TILE_NORTH]) flags |= 0x01;
186} 170 if (ob->map->tile_path [TILE_EAST ]) flags |= 0x02;
171 if (ob->map->tile_path [TILE_SOUTH]) flags |= 0x04;
172 if (ob->map->tile_path [TILE_WEST ]) flags |= 0x08;
173 // these two are debatable
174 if (ob->map->tile_path [TILE_UP ]) flags |= 0x10;
175 if (ob->map->tile_path [TILE_DOWN ]) flags |= 0x20;
187 176
177 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
178 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
179 ob->map->width, ob->map->height, &ob->map->path);
180 }
181 else
182 socket.send_packet ("mapinfo current");
183 }
184}
185
188/** check for map change and send new map data */ 186/** check for map/region change and send new map data */
189static void 187static void
190check_map_change (player *pl) 188check_map_change (player *pl)
191{ 189{
192 NewSocket & socket = pl->socket; 190 client &socket = *pl->ns;
193 object *ob = pl->ob; 191 object *ob = pl->viewpoint;
194 char buf[MAX_BUF]; /* eauugggh */
195 192
196 if (socket.current_map != ob->map) 193 region *reg = ob->region ();
194 if (socket.current_region != reg)
195 {
196 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
197 socket.current_region = reg;
197 { 198 }
199
200 // first try to avoid a full newmap on tiled map scrolls
201 if (socket.current_map != ob->map && !socket.force_newmap)
202 {
203 rv_vector rv;
204
205 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
206
207 // manhattan distance is very handy here
208 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
209 {
210 socket.current_map = ob->map;
211 socket.current_x = ob->x;
212 socket.current_y = ob->y;
213
214 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
215 socket.floorbox_reset ();
216 send_map_info (pl);
217 }
218 }
219
220 if (socket.current_map != ob->map || socket.force_newmap)
221 {
222 clear_map (pl);
198 socket.current_map = ob->map; 223 socket.current_map = ob->map;
224 send_map_info (pl);
225 }
226 else if (socket.current_x != ob->x || socket.current_y != ob->y)
227 {
228 int dx = ob->x - socket.current_x;
229 int dy = ob->y - socket.current_y;
199 230
200 clear_map (pl); 231 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
232 socket.floorbox_reset ();
233 }
201 234
202 if (socket.mapinfocmd) 235 socket.current_x = ob->x;
236 socket.current_y = ob->y;
237}
238
239/**
240 * This sends the skill number to name mapping. We ignore
241 * the params - we always send the same info no matter what.
242 */
243static void
244send_skill_info (client *ns, char *params)
245{
246 packet sl;
247 sl << "replyinfo skill_info\n";
248
249 for (int i = 0; i < skillvec.size (); ++i)
250 sl.printf ("%d:%s\n", CS_STAT_SKILLINFO + i, &skillvec [i]->name);
251
252 if (sl.length () > MAXSOCKBUF)
253 cleanup ("buffer overflow in send_skill_info!");
254
255 ns->send_packet (sl);
256}
257
258/**
259 * This sends the spell path to name mapping. We ignore
260 * the params - we always send the same info no matter what.
261 */
262static void
263send_spell_paths (client * ns, char *params)
264{
265 packet sl;
266
267 sl << "replyinfo spell_paths\n";
268
269 for (int i = 0; i < NRSPELLPATHS; i++)
270 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
271
272 if (sl.length () > MAXSOCKBUF)
273 cleanup ("buffer overflow in send_spell_paths!");
274
275 ns->send_packet (sl);
276}
277
278/**
279 * RequestInfo is sort of a meta command. There is some specific
280 * request of information, but we call other functions to provide
281 * that information.
282 * requestinfo is completely deprecated, use resource exti request
283 * and the fxix or http protocols.
284 */
285void
286RequestInfo (char *buf, int len, client *ns)
287{
288 char *params;
289
290 /* find the first space, make it null, and update the
291 * params pointer.
292 */
293 for (params = buf; *params; params++)
294 if (*params == ' ')
295 {
296 *params++ = 0;
297 break;
298 }
299
300 if (!strcmp (buf, "skill_info"))
301 send_skill_info (ns, params);
302 else if (!strcmp (buf, "spell_paths"))
303 send_spell_paths (ns, params);
304 else
305 {
306 // undo tokenisation above and send replyinfo with the request unchanged
307 if (*params)
308 *--params = ' ';
309
310 ns->send_packet_printf ("replyinfo %s", buf);
311 }
312}
313
314void
315ExtCmd (char *buf, int len, player *pl)
316{
317 INVOKE_PLAYER (EXTCMD, pl, ARG_DATA (buf, len));
318}
319
320void
321ExtiCmd (char *buf, int len, client *ns)
322{
323 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
324}
325
326//-GPL
327
328void
329client::mapinfo_queue_clear ()
330{
331 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
332 free (*i);
333
334 mapinfo_queue.clear ();
335}
336
337bool
338client::mapinfo_try (char *buf)
339{
340 char *token = buf;
341 buf += strlen (buf) + 9;
342
343 // initial map and its origin
344 maptile *map = pl->viewpoint->map;
345 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
346 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
347 int max_distance = 8; // limit maximum path length to something generous
348
349 while (*buf && map && max_distance)
350 {
351 int dir = *buf++ - '1';
352
353 // due to historical glitches, the mapinfo index and tile index differs
354 static unsigned char dirmap [] = { TILE_NORTH, TILE_EAST, TILE_SOUTH, TILE_WEST, TILE_UP, TILE_DOWN };
355
356 // maybe we should only allow the four flat directions
357 if (IN_RANGE_EXC (dir, 0, array_length (dirmap)))
203 { 358 {
204 if (ob->map && ob->map->path[0]) 359 dir = dirmap [dir];
360
361 if (!map->tile_path [dir])
362 map = 0;
363 else if (map->tile_available (dir, false))
205 { 364 {
206 int flags = 0; 365 maptile *neigh = map->tile_map [dir];
207 366
208 if (ob->map->tile_path[0]) 367 switch (dir)
209 flags |= 1; 368 {
210 if (ob->map->tile_path[1]) 369 case 0: mapy -= neigh->height; break;
211 flags |= 2; 370 case 2: mapy += map ->height; break;
212 if (ob->map->tile_path[2]) 371 case 3: mapx -= neigh->width ; break;
213 flags |= 4; 372 case 1: mapx += map ->width ; break;
214 if (ob->map->tile_path[3]) 373 }
215 flags |= 8;
216 374
217 snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", 375 map = neigh;
218 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, ob->map->path); 376 --max_distance;
219 } 377 }
220 else 378 else
221 snprintf (buf, MAX_BUF, "mapinfo current"); 379 return 0;
222
223 Write_String_To_Socket (&socket, buf, strlen (buf));
224 } 380 }
225 }
226 else if (socket.current_x != ob->x || socket.current_y != ob->y)
227 {
228 int dx = ob->x - socket.current_x;
229 int dy = ob->y - socket.current_y;
230
231 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
232 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
233 else 381 else
382 max_distance = 0;
383 }
384
385 if (!max_distance)
386 send_packet_printf ("mapinfo %s error", token);
387 else if (!map || !map->path)
388 send_packet_printf ("mapinfo %s nomap", token);
389 else
390 {
391 int flags = 0;
392
393 // due to historical glitches, the bit ordering and map index ordering differs
394 if (map->tile_path [TILE_NORTH]) flags |= 0x01;
395 if (map->tile_path [TILE_EAST ]) flags |= 0x02;
396 if (map->tile_path [TILE_SOUTH]) flags |= 0x04;
397 if (map->tile_path [TILE_WEST ]) flags |= 0x08;
398 // these two are debatable
399 if (map->tile_path [TILE_UP ]) flags |= 0x10;
400 if (map->tile_path [TILE_DOWN ]) flags |= 0x20;
401
402 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
403 }
404
405 return 1;
406}
407
408void
409client::mapinfo_queue_run ()
410{
411 if (mapinfo_queue.empty () || !pl)
412 return;
413
414 for (int i = 0; i < mapinfo_queue.size (); ++i)
415 if (mapinfo_try (mapinfo_queue [i]))
234 { 416 {
235 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 417 free (mapinfo_queue [i]);
236 socket.update_look = 1; 418 mapinfo_queue.erase (i);
237 socket.look_position = 0;
238 } 419 }
239 } 420 else
240 421 ++i;
241 socket.current_x = ob->x;
242 socket.current_y = ob->y;
243}
244
245void
246ExtCmd (char *buf, int len, player *pl)
247{
248 INVOKE_PLAYER (EXTCMD, pl, ARG_DATA (buf, len));
249} 422}
250 423
251void 424void
252MapInfoCmd (char *buf, int len, player *pl) 425MapInfoCmd (char *buf, int len, player *pl)
253{ 426{
254 // <mapinfo tag spatial tile-path 427 // <mapinfo tag spatial tile-path
255 // >mapinfo tag spatial flags x y w h hash 428 // >mapinfo tag spatial flags x y w h hash
256 429
257 char bigbuf[MAX_BUF], *token;
258
259 token = buf; 430 char *token = buf;
260 // copy token 431
261 if (!(buf = strchr (buf, ' '))) 432 if (!(buf = strchr (buf, ' ')))
262 return; 433 return;
263 434
264 *buf++ = 0;
265
266 if (!strncmp (buf, "spatial ", 8)) 435 if (!strncmp (buf, " spatial ", 9))
267 { 436 {
268 buf += 8; 437 char *copy = strdup (token);
438 copy [buf - token] = 0;
269 439
270 // initial map and its origin 440#if 0
271 mapstruct *map = pl->ob->map; 441 // this makes only sense when we flush the buffer immediately
272 sint16 dx, dy; 442 if (pl->ns->mapinfo_try (copy))
273 int mapx = pl->socket.mapx / 2 - pl->ob->x; 443 free (copy);
274 int mapy = pl->socket.mapy / 2 - pl->ob->y;
275 int max_distance = 8; // limit maximum path length to something generous
276
277 while (*buf && map && max_distance)
278 {
279 int dir = *buf++;
280
281 switch (dir)
282 {
283 case '1':
284 dx = 0;
285 dy = -1;
286 map = get_map_from_coord (map, &dx, &dy);
287 map && (mapy -= map->height);
288 break;
289 case '2':
290 mapx += map->width;
291 dx = map->width;
292 dy = 0;
293 map = get_map_from_coord (map, &dx, &dy);
294 break;
295 case '3':
296 mapy += map->height;
297 dx = 0;
298 dy = map->height;
299 map = get_map_from_coord (map, &dx, &dy);
300 break;
301 case '4':
302 dx = -1;
303 dy = 0;
304 map = get_map_from_coord (map, &dx, &dy);
305 map && (mapx -= map->width);
306 break;
307 }
308
309 --max_distance;
310 }
311
312 if (!max_distance)
313 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
314 else if (map && map->path[0])
315 {
316 int flags = 0;
317
318 if (map->tile_path[0])
319 flags |= 1;
320 if (map->tile_path[1])
321 flags |= 2;
322 if (map->tile_path[2])
323 flags |= 4;
324 if (map->tile_path[3])
325 flags |= 8;
326
327 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, map->path);
328 }
329 else 444 else
330 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 445#endif
446 pl->ns->mapinfo_queue.push_back (copy);
331 } 447 }
332 else 448 else
333 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 449 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
334
335 Write_String_To_Socket (&pl->socket, bigbuf, strlen (bigbuf));
336} 450}
337 451
338/** This is the Setup cmd - easy first implementation */ 452/** This is the Setup cmd */
339void 453void
340SetUp (char *buf, int len, NewSocket * ns) 454SetUp (char *buf, int len, client * ns)
341{ 455{
342 int s, slen; 456 INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
343 char *cmd, *param, cmdback[HUGE_BUF];
344
345 /* run through the cmds of setup
346 * syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
347 *
348 * we send the status of the cmd back, or a FALSE is the cmd is the server unknown
349 * The client then must sort this out
350 */
351
352 LOG (llevInfo, "Get SetupCmd:: %s\n", buf);
353 strcpy (cmdback, "setup");
354 for (s = 0; s < len;)
355 {
356
357 cmd = &buf[s];
358
359 /* find the next space, and put a null there */
360 for (; buf[s] && buf[s] != ' '; s++);
361 buf[s++] = 0;
362 while (buf[s] == ' ')
363 s++;
364
365 if (s >= len)
366 break;
367
368 param = &buf[s];
369
370 for (; buf[s] && buf[s] != ' '; s++);
371 buf[s++] = 0;
372 while (buf[s] == ' ')
373 s++;
374
375 slen = strlen (cmdback);
376 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
377 safe_strcat (cmdback, cmd, &slen, HUGE_BUF);
378 safe_strcat (cmdback, " ", &slen, HUGE_BUF);
379
380 if (!strcmp (cmd, "sound"))
381 {
382 ns->sound = atoi (param);
383 safe_strcat (cmdback, param, &slen, HUGE_BUF);
384 }
385 else if (!strcmp (cmd, "exp64"))
386 {
387 ns->exp64 = atoi (param);
388 safe_strcat (cmdback, param, &slen, HUGE_BUF);
389 }
390 else if (!strcmp (cmd, "spellmon"))
391 {
392 ns->monitor_spells = atoi (param);
393 safe_strcat (cmdback, param, &slen, HUGE_BUF);
394 }
395 else if (!strcmp (cmd, "darkness"))
396 {
397 ns->darkness = atoi (param);
398 safe_strcat (cmdback, param, &slen, HUGE_BUF);
399 }
400 else if (!strcmp (cmd, "map1cmd"))
401 {
402 if (atoi (param))
403 ns->mapmode = Map1Cmd;
404 /* if beyond this size, need to use map1cmd no matter what */
405 if (ns->mapx > 11 || ns->mapy > 11)
406 ns->mapmode = Map1Cmd;
407 safe_strcat (cmdback, ns->mapmode == Map1Cmd ? "1" : "0", &slen, HUGE_BUF);
408 }
409 else if (!strcmp (cmd, "map1acmd"))
410 {
411 if (atoi (param))
412 ns->mapmode = Map1aCmd;
413 /* if beyond this size, need to use map1acmd no matter what */
414 if (ns->mapx > 11 || ns->mapy > 11)
415 ns->mapmode = Map1aCmd;
416 safe_strcat (cmdback, ns->mapmode == Map1aCmd ? "1" : "0", &slen, HUGE_BUF);
417 }
418 else if (!strcmp (cmd, "newmapcmd"))
419 {
420 ns->newmapcmd = atoi (param);
421 safe_strcat (cmdback, param, &slen, HUGE_BUF);
422// } else if (!strcmp(cmd,"plugincmd")) {
423// ns->plugincmd = atoi(param);
424// safe_strcat(cmdback, param, &slen, HUGE_BUF);
425 }
426 else if (!strcmp (cmd, "mapinfocmd"))
427 {
428 ns->mapinfocmd = atoi (param);
429 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
430 }
431 else if (!strcmp (cmd, "extcmd"))
432 {
433 ns->extcmd = atoi (param);
434 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
435 }
436 else if (!strcmp (cmd, "extmap"))
437 {
438 ns->extmap = atoi (param);
439 safe_strcat (cmdback, "1", &slen, HUGE_BUF);
440 }
441 else if (!strcmp (cmd, "facecache"))
442 {
443 ns->facecache = atoi (param);
444 safe_strcat (cmdback, param, &slen, HUGE_BUF);
445 }
446 else if (!strcmp (cmd, "faceset"))
447 {
448 char tmpbuf[20];
449 int q = atoi (param);
450
451 if (is_valid_faceset (q))
452 ns->faceset = q;
453 sprintf (tmpbuf, "%d", ns->faceset);
454 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
455 /* if the client is using faceset, it knows about image2 command */
456 ns->image2 = 1;
457 }
458 else if (!strcmp (cmd, "itemcmd"))
459 {
460 /* Version of the item protocol command to use. Currently,
461 * only supported versions are 1 and 2. Using a numeric
462 * value will make it very easy to extend this in the future.
463 */
464 char tmpbuf[20];
465 int q = atoi (param);
466
467 if (q < 1 || q > 2)
468 {
469 strcpy (tmpbuf, "FALSE");
470 }
471 else
472 {
473 ns->itemcmd = q;
474 sprintf (tmpbuf, "%d", ns->itemcmd);
475 }
476 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
477 }
478 else if (!strcmp (cmd, "mapsize"))
479 {
480 int x, y = 0;
481 char tmpbuf[MAX_BUF], *cp;
482
483 x = atoi (param);
484 for (cp = param; *cp != 0; cp++)
485 if (*cp == 'x' || *cp == 'X')
486 {
487 y = atoi (cp + 1);
488 break;
489 }
490 if (x < 9 || y < 9 || x > MAP_CLIENT_X || y > MAP_CLIENT_Y)
491 {
492 sprintf (tmpbuf, " %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
493 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
494 }
495 else
496 {
497 ns->mapx = x;
498 ns->mapy = y;
499 /* better to send back what we are really using and not the
500 * param as given to us in case it gets parsed differently.
501 */
502 sprintf (tmpbuf, "%dx%d", x, y);
503 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
504 /* If beyond this size and still using orig map command, need to
505 * go to map1cmd.
506 */
507 if ((x > 11 || y > 11) && ns->mapmode == Map0Cmd)
508 ns->mapmode = Map1Cmd;
509 }
510 }
511 else if (!strcmp (cmd, "extendedMapInfos"))
512 {
513 /* Added by tchize
514 * prepare to use the mapextended command
515 */
516 char tmpbuf[20];
517
518 ns->ext_mapinfos = (atoi (param));
519 sprintf (tmpbuf, "%d", ns->ext_mapinfos);
520 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
521 }
522 else if (!strcmp (cmd, "extendedTextInfos"))
523 {
524 /* Added by tchize
525 * prepare to use the extended text commands
526 * Client toggle this to non zero to get exttext
527 */
528 char tmpbuf[20];
529
530 ns->has_readable_type = (atoi (param));
531 sprintf (tmpbuf, "%d", ns->has_readable_type);
532 safe_strcat (cmdback, tmpbuf, &slen, HUGE_BUF);
533 }
534 else
535 {
536 /* Didn't get a setup command we understood -
537 * report a failure to the client.
538 */
539 safe_strcat (cmdback, "FALSE", &slen, HUGE_BUF);
540 }
541 } /* for processing all the setup commands */
542 LOG (llevInfo, "SendBack SetupCmd:: %s\n", cmdback);
543 Write_String_To_Socket (ns, cmdback, strlen (cmdback));
544} 457}
545 458
546/** 459/**
547 * The client has requested to be added to the game. 460 * The client has requested to be added to the game.
548 * This is what takes care of it. We tell the client how things worked out. 461 * This is what takes care of it. We tell the client how things worked out.
549 * I am not sure if this file is the best place for this function. however, 462 * I am not sure if this file is the best place for this function. however,
550 * it either has to be here or init_sockets needs to be exported. 463 * it either has to be here or init_sockets needs to be exported.
551 */ 464 */
552void 465void
553AddMeCmd (char *buf, int len, NewSocket * ns) 466AddMeCmd (char *buf, int len, client *ns)
554{ 467{
555 Settings oldsettings; 468 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
556
557 oldsettings = settings;
558 if (ns->status != Ns_Add || add_player (ns))
559 {
560 Write_String_To_Socket (ns, "addme_failed", 12);
561 }
562 else
563 {
564 /* Basically, the add_player copies the socket structure into
565 * the player structure, so this one (which is from init_sockets)
566 * is not needed anymore. The write below should still work, as the
567 * stuff in ns is still relevant.
568 */
569 Write_String_To_Socket (ns, "addme_success", 13);
570 socket_info.nconns--;
571 ns->status = Ns_Avail;
572 }
573 settings = oldsettings;
574} 469}
575 470
576/** Reply to ExtendedInfos command */ 471//+GPL
577void
578ToggleExtendedInfos (char *buf, int len, NewSocket * ns)
579{
580 char cmdback[MAX_BUF];
581 char command[50];
582 int info, nextinfo;
583
584 cmdback[0] = '\0';
585 nextinfo = 0;
586 while (1)
587 {
588 /* 1. Extract an info */
589 info = nextinfo;
590 while ((info < len) && (buf[info] == ' '))
591 info++;
592 if (info >= len)
593 break;
594 nextinfo = info + 1;
595 while ((nextinfo < len) && (buf[nextinfo] != ' '))
596 nextinfo++;
597 if (nextinfo - info >= 49) /*Erroneous info asked */
598 continue;
599 strncpy (command, &(buf[info]), nextinfo - info);
600 command[nextinfo - info] = '\0';
601 /* 2. Interpret info */
602 if (!strcmp ("smooth", command))
603 {
604 /* Toggle smoothing */
605 ns->EMI_smooth = !ns->EMI_smooth;
606 }
607 else
608 {
609 /*bad value */
610 }
611 /*3. Next info */
612 }
613 strcpy (cmdback, "ExtendedInfoSet");
614 if (ns->EMI_smooth)
615 {
616 strcat (cmdback, " ");
617 strcat (cmdback, "smoothing");
618 }
619 Write_String_To_Socket (ns, cmdback, strlen (cmdback));
620}
621
622/*
623#define MSG_TYPE_BOOK 1
624#define MSG_TYPE_CARD 2
625#define MSG_TYPE_PAPER 3
626#define MSG_TYPE_SIGN 4
627#define MSG_TYPE_MONUMENT 5
628#define MSG_TYPE_SCRIPTED_DIALOG 6*/
629
630/** Reply to ExtendedInfos command */
631void
632ToggleExtendedText (char *buf, int len, NewSocket * ns)
633{
634 char cmdback[MAX_BUF];
635 char temp[10];
636 char command[50];
637 int info, nextinfo, i, flag;
638
639 cmdback[0] = '\0';
640 nextinfo = 0;
641 while (1)
642 {
643 /* 1. Extract an info */
644 info = nextinfo;
645 while ((info < len) && (buf[info] == ' '))
646 info++;
647 if (info >= len)
648 break;
649 nextinfo = info + 1;
650 while ((nextinfo < len) && (buf[nextinfo] != ' '))
651 nextinfo++;
652 if (nextinfo - info >= 49) /*Erroneous info asked */
653 continue;
654 strncpy (command, &(buf[info]), nextinfo - info);
655 command[nextinfo - info] = '\0';
656 /* 2. Interpret info */
657 i = sscanf (command, "%d", &flag);
658 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
659 ns->supported_readables |= (1 << flag);
660 /*3. Next info */
661 }
662 /* Send resulting state */
663 strcpy (cmdback, "ExtendedTextSet");
664 for (i = 0; i <= MSG_TYPE_LAST; i++)
665 if (ns->supported_readables & (1 << i))
666 {
667 strcat (cmdback, " ");
668 snprintf (temp, sizeof (temp), "%d", i);
669 strcat (cmdback, temp);
670 }
671 Write_String_To_Socket (ns, cmdback, strlen (cmdback));
672}
673
674/**
675 * A lot like the old AskSmooth (in fact, now called by AskSmooth).
676 * Basically, it makes no sense to wait for the client to request a
677 * a piece of data from us that we know the client wants. So
678 * if we know the client wants it, might as well push it to the
679 * client.
680 */
681static void
682SendSmooth (NewSocket * ns, uint16 face)
683{
684 uint16 smoothface;
685 unsigned char reply[MAX_BUF];
686 SockList sl;
687
688 /* If we can't find a face, return and set it so we won't try to send this
689 * again.
690 */
691 if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface)))
692 {
693
694 LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name);
695 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
696 return;
697 }
698
699 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
700 esrv_send_face (ns, smoothface, 0);
701
702 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
703
704 sl.buf = reply;
705 strcpy ((char *) sl.buf, "smooth ");
706 sl.len = strlen ((char *) sl.buf);
707 SockList_AddShort (&sl, face);
708 SockList_AddShort (&sl, smoothface);
709 Send_With_Handling (ns, &sl);
710}
711
712 /**
713 * Tells client the picture it has to use
714 * to smooth a picture number given as argument.
715 */
716void
717AskSmooth (char *buf, int len, NewSocket * ns)
718{
719 uint16 facenbr;
720
721 facenbr = atoi (buf);
722 SendSmooth (ns, facenbr);
723}
724
725
726
727
728 472
729/** 473/**
730 * This handles the general commands from the client (ie, north, fire, cast, 474 * This handles the general commands from the client (ie, north, fire, cast,
731 * etc.) 475 * etc.)
732 */ 476 */
733void 477void
734PlayerCmd (char *buf, int len, player *pl) 478PlayerCmd (char *buf, int len, player *pl)
735{ 479{
736
737 /* The following should never happen with a proper or honest client.
738 * Therefore, the error message doesn't have to be too clear - if
739 * someone is playing with a hacked/non working client, this gives them
740 * an idea of the problem, but they deserve what they get
741 */
742 if (pl->state != ST_PLAYING)
743 {
744 new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "You can not issue commands - state is not ST_PLAYING (%s)", buf);
745 return;
746 }
747 /* Check if there is a count. In theory, a zero count could also be 480 /* Check if there is a count. In theory, a zero count could also be
748 * sent, so check for that also. 481 * sent, so check for that also.
749 */ 482 */
750 if (atoi (buf) || buf[0] == '0') 483 if (atoi (buf) || buf[0] == '0')
751 { 484 {
752 pl->count = atoi ((char *) buf); 485 pl->count = atoi ((char *) buf);
486
753 buf = strchr (buf, ' '); /* advance beyond the numbers */ 487 buf = strchr (buf, ' '); /* advance beyond the numbers */
754 if (!buf) 488 if (!buf)
755 {
756#ifdef ESRV_DEBUG
757 LOG (llevDebug, "PlayerCmd: Got count but no command.\n");
758#endif
759 return; 489 return;
760 } 490
761 buf++; 491 buf++;
762 } 492 }
763 /* This should not happen anymore. */ 493
764 if (pl->ob->speed_left < -1.0)
765 {
766 LOG (llevError, "Player has negative time - shouldn't do command.\n");
767 }
768 /* In c_new.c */
769 execute_newserver_command (pl->ob, (char *) buf); 494 execute_newserver_command (pl->ob, (char *)buf);
770 /* Perhaps something better should be done with a left over count.
771 * Cleaning up the input should probably be done first - all actions
772 * for the command that issued the count should be done before any other
773 * commands.
774 */
775 495
776 pl->count = 0;
777
778}
779
780
781/**
782 * This handles the general commands from the client (ie, north, fire, cast,
783 * etc.). It is a lot like PlayerCmd above, but is called with the
784 * 'ncom' method which gives more information back to the client so it
785 * can throttle.
786 */
787void
788NewPlayerCmd (uint8 * buf, int len, player *pl)
789{
790 int time, repeat;
791 short packet;
792 unsigned char command[MAX_BUF];
793 SockList sl;
794
795 if (len < 7)
796 {
797 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf);
798 return;
799 }
800
801 packet = GetShort_String (buf);
802 repeat = GetInt_String (buf + 2);
803 /* -1 is special - no repeat, but don't update */
804 if (repeat != -1)
805 {
806 pl->count = repeat;
807 }
808 if ((len - 4) >= MAX_BUF)
809 len = MAX_BUF - 5;
810
811 strncpy ((char *) command, (char *) buf + 6, len - 4);
812 command[len - 4] = '\0';
813
814 /* The following should never happen with a proper or honest client.
815 * Therefore, the error message doesn't have to be too clear - if
816 * someone is playing with a hacked/non working client, this gives them
817 * an idea of the problem, but they deserve what they get
818 */
819 if (pl->state != ST_PLAYING)
820 {
821 new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "You can not issue commands - state is not ST_PLAYING (%s)", buf);
822 return;
823 }
824
825 /* This should not happen anymore. */
826 if (pl->ob->speed_left < -1.0)
827 {
828 LOG (llevError, "Player has negative time - shouldn't do command.\n");
829 }
830 /* In c_new.c */
831 execute_newserver_command (pl->ob, (char *) command);
832 /* Perhaps something better should be done with a left over count. 496 /* Perhaps something better should be done with a left over count.
833 * Cleaning up the input should probably be done first - all actions 497 * Cleaning up the input should probably be done first - all actions
834 * for the command that issued the count should be done before any other 498 * for the command that issued the count should be done before any other
835 * commands. 499 * commands.
836 */ 500 */
837 pl->count = 0; 501 pl->count = 0;
838
839 /* Send confirmation of command execution now */
840 sl.buf = command;
841 strcpy ((char *) sl.buf, "comc ");
842 sl.len = 5;
843 SockList_AddShort (&sl, packet);
844 if (FABS (pl->ob->speed) < 0.001)
845 time = MAX_TIME * 100;
846 else
847 time = (int) (MAX_TIME / FABS (pl->ob->speed));
848 SockList_AddInt (&sl, time);
849 Send_With_Handling (&pl->socket, &sl);
850} 502}
851
852 503
853/** This is a reply to a previous query. */ 504/** This is a reply to a previous query. */
854void 505void
855ReplyCmd (char *buf, int len, player *pl) 506ReplyCmd (char *buf, int len, client *ns)
856{ 507{
508 if (ns->state == ST_CUSTOM)
509 {
510 INVOKE_CLIENT (REPLY, ns, ARG_DATA (buf, len));
511 return;
512 }
513
514 if (!ns->pl)
515 return; //TODO: depends on the exact reply we are after
516 //TODO: but right now, we always have a ns->pl
517
518 player *pl = ns->pl;
519
857 /* This is to synthesize how the data would be stored if it 520 /* This is to synthesize how the data would be stored if it
858 * was normally entered. A bit of a hack, and should be cleaned up 521 * was normally entered. A bit of a hack, and should be cleaned up
859 * once all the X11 code is removed from the server. 522 * once all the X11 code is removed from the server.
860 * 523 *
861 * We pass 13 to many of the functions because this way they 524 * We pass 13 to many of the functions because this way they
862 * think it was the carriage return that was entered, and the 525 * think it was the carriage return that was entered, and the
863 * function then does not try to do additional input. 526 * function then does not try to do additional input.
864 */ 527 */
865 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf); 528 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);
866 529
867 /* this avoids any hacking here */ 530 /* this avoids any hacking here */
868 531
869 switch (pl->state) 532 switch (ns->state)
870 { 533 {
871 case ST_PLAYING: 534 case ST_PLAYING:
872 LOG (llevError, "Got reply message with ST_PLAYING input state\n"); 535 LOG (llevError, "Got reply message with ST_PLAYING input state\n");
873 break; 536 break;
874 537
875 case ST_PLAY_AGAIN:
876 /* We can check this for return value (2==quit). Maybe we
877 * should, and do something appropriate?
878 */
879 receive_play_again (pl->ob, buf[0]);
880 break;
881
882 case ST_ROLL_STAT:
883 key_roll_stat (pl->ob, buf[0]);
884 break;
885
886 case ST_CHANGE_CLASS:
887
888 key_change_class (pl->ob, buf[0]);
889 break;
890
891 case ST_CONFIRM_QUIT:
892 key_confirm_quit (pl->ob, buf[0]);
893 break;
894
895 case ST_CONFIGURE:
896 LOG (llevError, "In client input handling, but into configure state\n");
897 pl->state = ST_PLAYING;
898 break;
899
900 case ST_GET_NAME:
901 receive_player_name (pl->ob, 13);
902 break;
903
904 case ST_GET_PASSWORD:
905 case ST_CONFIRM_PASSWORD:
906 receive_player_password (pl->ob, 13);
907 break;
908
909 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 538 case ST_GET_PARTY_PASSWORD: /* Get password for party */
910 receive_party_password (pl->ob, 13); 539 receive_party_password (pl->ob, 13);
911 break; 540 break;
912 541
913 default: 542 default:
914 LOG (llevError, "Unknown input state: %d\n", pl->state); 543 LOG (llevError, "Unknown input state: %d\n", ns->state);
915 } 544 }
916} 545}
917 546
918/** 547/**
919 * Client tells its version. If there is a mismatch, we close the 548 * Client tells its version info.
920 * socket. In real life, all we should care about is the client having
921 * something older than the server. If we assume the client will be
922 * backwards compatible, having it be a later version should not be a
923 * problem.
924 */ 549 */
925void 550void
926VersionCmd (char *buf, int len, NewSocket * ns) 551VersionCmd (char *buf, int len, client *ns)
927{ 552{
928 char *cp; 553 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
929 char version_warning[256];
930
931 if (!buf)
932 {
933 LOG (llevError, "CS: received corrupted version command\n");
934 return;
935 }
936
937 ns->cs_version = atoi (buf);
938 ns->sc_version = ns->cs_version;
939 if (VERSION_CS != ns->cs_version)
940 {
941#ifdef ESRV_DEBUG
942 LOG (llevDebug, "CS: csversion mismatch (%d,%d)\n", VERSION_CS, ns->cs_version);
943#endif
944 }
945 cp = strchr (buf + 1, ' ');
946 if (!cp)
947 return;
948 ns->sc_version = atoi (cp);
949 if (VERSION_SC != ns->sc_version)
950 {
951#ifdef ESRV_DEBUG
952 LOG (llevDebug, "CS: scversion mismatch (%d,%d)\n", VERSION_SC, ns->sc_version);
953#endif
954 }
955 cp = strchr (cp + 1, ' ');
956 if (cp)
957 {
958 LOG (llevDebug, "CS: connection from client of type <%s>, ip %s\n", cp, ns->host);
959
960 snprintf (ns->client, sizeof (ns->client), "%s", cp + 1);
961
962 /* This is first implementation - i skip all beta DX clients with it
963 * Add later stuff here for other clients
964 */
965
966 /* these are old dxclients */
967 /* Version 1024 added support for singular + plural name values -
968 * requiing this minimal value reduces complexity of that code, and it
969 * has been around for a long time.
970 */
971 if (!strcmp (" CF DX CLIENT", cp) || ns->sc_version < 1024)
972 {
973 sprintf (version_warning, "drawinfo %d %s", NDI_RED,
974 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
975 Write_String_To_Socket (ns, version_warning, strlen (version_warning));
976 }
977
978 }
979} 554}
980 555
981/** sound related functions. */ 556/** sound related functions. */
982
983void 557void
984SetSound (char *buf, int len, NewSocket * ns) 558SetSound (char *buf, int len, client * ns)
985{ 559{
986 ns->sound = atoi (buf); 560 ns->sound = atoi (buf);
987} 561}
988 562
989/** client wants the map resent */ 563/** client wants the map resent */
990
991void 564void
992MapRedrawCmd (char *buf, int len, player *pl) 565MapRedrawCmd (char *buf, int len, player *pl)
993{ 566{
994
995/* This function is currently disabled; just clearing the map state results in 567/* This function is currently disabled; just clearing the map state results in
996 * display errors. It should clear the cache and send a newmap command. 568 * display errors. It should clear the cache and send a newmap command.
997 * Unfortunately this solution does not work because some client versions send 569 * Unfortunately this solution does not work because some client versions send
998 * a mapredraw command after receiving a newmap command. 570 * a mapredraw command after receiving a newmap command.
999 */ 571 */
1000#if 0
1001 /* Okay, this is MAJOR UGLY. but the only way I know how to
1002 * clear the "cache"
1003 */
1004 memset (&pl->socket.lastmap, 0, sizeof (struct Map));
1005 draw_client_map (pl->ob);
1006#endif
1007} 572}
1008 573
1009/** 574/**
1010 * Moves an object (typically, container to inventory). 575 * Moves an object (typically, container to inventory).
1011 * syntax is: move (to) (tag) (nrof) 576 * syntax is: move (to) (tag) (nrof)
1012 */ 577 */
1013void 578void
1014MoveCmd (char *buf, int len, player *pl) 579MoveCmd (char *buf, int len, player *pl)
1015{ 580{
1016 int vals[3], i; 581 int to, tag, nrof;
1017 582
1018 /* A little funky here. We only cycle for 2 records, because 583 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
1019 * we obviously am not going to find a space after the third
1020 * record. Perhaps we should just replace this with a
1021 * sscanf?
1022 */
1023 for (i = 0; i < 2; i++)
1024 { 584 {
1025 vals[i] = atoi (buf);
1026 if (!(buf = strchr (buf, ' ')))
1027 {
1028 LOG (llevError, "Incomplete move command: %s\n", buf); 585 LOG (llevError, "Incomplete move command: %s\n", buf);
1029 return; 586 return;
1030 }
1031 buf++;
1032 } 587 }
1033 vals[2] = atoi (buf);
1034 588
1035/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/ 589 esrv_move_object (pl->ob, to, tag, nrof);
1036 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
1037} 590}
1038
1039
1040 591
1041/****************************************************************************** 592/******************************************************************************
1042 * 593 *
1043 * Start of commands the server sends to the client. 594 * Start of commands the server sends to the client.
1044 * 595 *
… …
1047/** 598/**
1048 * Asks the client to query the user. This way, the client knows 599 * Asks the client to query the user. This way, the client knows
1049 * it needs to send something back (vs just printing out a message) 600 * it needs to send something back (vs just printing out a message)
1050 */ 601 */
1051void 602void
1052send_query (NewSocket * ns, uint8 flags, char *text) 603send_query (client *ns, uint8 flags, const char *text)
1053{ 604{
1054 char buf[MAX_BUF];
1055
1056 sprintf (buf, "query %d %s", flags, text ? text : ""); 605 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
1057 Write_String_To_Socket (ns, buf, strlen (buf)); 606}
607
608/**
609 * Get player's current range attack in obuf.
610 */
611static void
612rangetostring (player *pl, char *obuf)
613{
614 dynbuf_text &buf = msg_dynbuf; buf.clear ();
615
616#if 0
617 // print ranged/chosen_skill etc. objects every call
618 printf ("%s %s => %s (%s)\n",
619 pl->ranged_ob ? &pl->ranged_ob->name : "-",
620 pl->combat_ob ? &pl->combat_ob->name : "-",
621 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
622 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
623 );
624#endif
625
626 if (pl->ranged_ob)
627 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
628
629 if (pl->combat_ob)
630 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
631
632#if 0
633 //TODO: remove this when slot system is working, this is only for debugging
634 if (pl->ob->chosen_skill)
635 buf << " Skill*: " << pl->ob->chosen_skill->name;
636#endif
637
638 //TODO: maybe golem should become the current_weapon, quite simply?
639 if (pl->golem)
640 buf << " Golem*: " << pl->golem->name;
641
642 buf << '\0';
643 buf.linearise (obuf);
1058} 644}
1059 645
1060#define AddIfInt64(Old,New,Type) if (Old != New) {\ 646#define AddIfInt64(Old,New,Type) if (Old != New) {\
1061 Old = New; \ 647 Old = New; \
1062 SockList_AddChar(&sl, Type); \ 648 sl << uint8 (Type) << uint64 (New); \
1063 SockList_AddInt64(&sl, New); \
1064 } 649 }
1065 650
1066#define AddIfInt(Old,New,Type) if (Old != New) {\ 651#define AddIfInt(Old,New,Type) if (Old != New) {\
1067 Old = New; \ 652 Old = New; \
1068 SockList_AddChar(&sl, Type); \ 653 sl << uint8 (Type) << uint32 (New); \
1069 SockList_AddInt(&sl, New); \
1070 } 654 }
1071 655
1072#define AddIfShort(Old,New,Type) if (Old != New) {\ 656#define AddIfShort(Old,New,Type) if (Old != New) {\
1073 Old = New; \ 657 Old = New; \
1074 SockList_AddChar(&sl, Type); \ 658 sl << uint8 (Type) << uint16 (New); \
1075 SockList_AddShort(&sl, New); \
1076 } 659 }
1077 660
1078#define AddIfFloat(Old,New,Type) if (Old != New) {\ 661#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
1079 Old = New; \ 662 Old = New; \
1080 SockList_AddChar(&sl, Type); \ 663 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
1081 SockList_AddInt(&sl,(long)(New*FLOAT_MULTI));\
1082 } 664 }
1083 665
1084#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 666#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
1085 if (Old) free(Old);\
1086 Old = strdup_local(New);\ 667 free(Old); Old = strdup (New);\
1087 SockList_AddChar(&sl, Type); \ 668 sl << uint8 (Type) << data8 (New); \
1088 SockList_AddChar(&sl, ( char )strlen(New)); \
1089 strcpy((char*)sl.buf + sl.len, New); \
1090 sl.len += strlen(New); \
1091 } 669 }
1092 670
1093/** 671/**
1094 * Sends a statistics update. We look at the old values, 672 * Sends a statistics update. We look at the old values,
1095 * and only send what has changed. Stat mapping values are in newclient.h 673 * and only send what has changed. Stat mapping values are in newclient.h
… …
1097 * commands for now. 675 * commands for now.
1098 */ 676 */
1099void 677void
1100esrv_update_stats (player *pl) 678esrv_update_stats (player *pl)
1101{ 679{
1102 SockList sl; 680 client *ns = pl->ns;
681 if (!ns)
682 return;
683
684 object *ob = pl->observe;
685 if (!ob)
686 return;
687
688 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
689
690 packet sl ("stats");
691
692 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
693 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
694 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
695 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
696 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
697 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
698 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
699 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
700 AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
701 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
702 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
703 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
704 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
705
706 for (int s = 0; s < CS_NUM_SKILLS; s++)
707 if (object *skill = opl->last_skill_ob [s])
708 if (skill->stats.exp != ns->last_skill_exp [s])
709 {
710 ns->last_skill_exp [s] = skill->stats.exp;
711
712 /* Always send along the level if exp changes. This is only
713 * 1 extra byte, but keeps processing simpler.
714 */
715 sl << uint8 (CS_STAT_SKILLINFO + s)
716 << uint8 (skill->level)
717 << uint64 (skill->stats.exp);
718 }
719
720 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
721 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
722 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
723 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
724 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
725 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
726 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
727 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
728 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
729
730 int flags = (opl->fire_on ? SF_FIREON : 0)
731 | (opl->run_on ? SF_RUNON : 0);
732
733 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
734
735 for (int i = 0; i < NROFATTACKS; i++)
736 /* Skip ones we won't send */
737 if (atnr_cs_stat[i] >= 0)
738 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
739
740 if (pl->ns->monitor_spells)
741 {
742 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
743 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
744 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
745 }
746
1103 char buf[MAX_BUF]; 747 char buf[MAX_BUF];
1104 uint16 flags;
1105
1106 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1107 strcpy ((char *) sl.buf, "stats ");
1108 sl.len = strlen ((char *) sl.buf);
1109
1110 if (pl->ob != NULL)
1111 {
1112 AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP);
1113 AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP);
1114 AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP);
1115 AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP);
1116 AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE);
1117 AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE);
1118 AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR);
1119 AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT);
1120 AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW);
1121 AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS);
1122 AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX);
1123 AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON);
1124 AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA);
1125 }
1126 if (pl->socket.exp64)
1127 {
1128 uint8 s;
1129
1130 for (s = 0; s < NUM_SKILLS; s++)
1131 {
1132 if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp)
1133 {
1134
1135 /* Always send along the level if exp changes. This is only
1136 * 1 extra byte, but keeps processing simpler.
1137 */
1138 SockList_AddChar (&sl, (char) (s + CS_STAT_SKILLINFO));
1139 SockList_AddChar (&sl, (char) pl->last_skill_ob[s]->level);
1140 SockList_AddInt64 (&sl, pl->last_skill_ob[s]->stats.exp);
1141 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1142 }
1143 }
1144 }
1145 if (pl->socket.exp64)
1146 {
1147 AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64);
1148 }
1149 else
1150 {
1151 AddIfInt (pl->last_stats.exp, (int) pl->ob->stats.exp, CS_STAT_EXP);
1152 }
1153 AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL);
1154 AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC);
1155 AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC);
1156 AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM);
1157 AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED);
1158 AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD);
1159 AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);
1160 AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM);
1161 flags = 0;
1162 if (pl->fire_on)
1163 flags |= SF_FIREON;
1164 if (pl->run_on)
1165 flags |= SF_RUNON;
1166
1167 AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS);
1168 if (pl->socket.sc_version < 1025)
1169 {
1170 AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR);
1171 }
1172 else
1173 {
1174 int i;
1175
1176 for (i = 0; i < NROFATTACKS; i++)
1177 {
1178 /* Skip ones we won't send */
1179 if (atnr_cs_stat[i] == -1)
1180 continue;
1181 AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]);
1182 }
1183 }
1184 if (pl->socket.monitor_spells)
1185 {
1186 AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1187 AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL);
1188 AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY);
1189 }
1190 rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */ 748 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
1191 AddIfString (pl->socket.stats.range, buf, CS_STAT_RANGE); 749 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1192 set_title (pl->ob, buf); 750 set_title (ob, buf);
1193 AddIfString (pl->socket.stats.title, buf, CS_STAT_TITLE); 751 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1194 752
1195 /* Only send it away if we have some actual data */ 753 /* Only send it away if we have some actual data */
1196 if (sl.len > 6) 754 if (sl.length () > 6)
1197 { 755 ns->send_packet (sl);
1198#ifdef ESRV_DEBUG
1199 LOG (llevDebug, "Sending stats command, %d bytes long.\n", sl.len);
1200#endif
1201 Send_With_Handling (&pl->socket, &sl);
1202 }
1203 free (sl.buf);
1204} 756}
1205
1206 757
1207/** 758/**
1208 * Tells the client that here is a player it should start using. 759 * Tells the client that here is a player it should start using.
1209 */ 760 */
1210void 761void
1211esrv_new_player (player *pl, uint32 weight) 762esrv_new_player (player *pl)
1212{ 763{
1213 SockList sl; 764 sint32 weight = pl->ob->client_weight ();
1214 765
766 packet sl ("player");
767
768 sl << uint32 (pl->ob->count)
769 << uint32 (weight)
770 << uint32 (pl->ob->face)
771 << data8 (pl->ob->name);
772
1215 pl->last_weight = weight; 773 pl->ns->last_weight = weight;
1216 774 pl->ns->send_packet (sl);
1217 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1218
1219 strcpy ((char *) sl.buf, "player ");
1220 sl.len = strlen ((char *) sl.buf);
1221 SockList_AddInt (&sl, pl->ob->count);
1222 SockList_AddInt (&sl, weight);
1223 SockList_AddInt (&sl, pl->ob->face->number);
1224
1225 SockList_AddChar (&sl, (char) strlen (pl->ob->name));
1226 strcpy ((char *) sl.buf + sl.len, pl->ob->name);
1227 sl.len += strlen (pl->ob->name);
1228
1229 Send_With_Handling (&pl->socket, &sl);
1230 free (sl.buf);
1231 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1232} 775}
1233
1234
1235/**
1236 * Need to send an animation sequence to the client.
1237 * We will send appropriate face commands to the client if we haven't
1238 * sent them the face yet (this can become quite costly in terms of
1239 * how much we are sending - on the other hand, this should only happen
1240 * when the player logs in and picks stuff up.
1241 */
1242void
1243esrv_send_animation (NewSocket * ns, short anim_num)
1244{
1245 SockList sl;
1246 int i;
1247
1248 /* Do some checking on the anim_num we got. Note that the animations
1249 * are added in contigous order, so if the number is in the valid
1250 * range, it must be a valid animation.
1251 */
1252 if (anim_num < 0 || anim_num > num_animations)
1253 {
1254 LOG (llevError, "esrv_send_anim (%d) out of bounds??\n", anim_num);
1255 return;
1256 }
1257
1258 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1259 strcpy ((char *) sl.buf, "anim ");
1260 sl.len = 5;
1261 SockList_AddShort (&sl, anim_num);
1262 SockList_AddShort (&sl, 0); /* flags - not used right now */
1263 /* Build up the list of faces. Also, send any information (ie, the
1264 * the face itself) down to the client.
1265 */
1266 for (i = 0; i < animations[anim_num].num_animations; i++)
1267 {
1268 if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1269 esrv_send_face (ns, animations[anim_num].faces[i], 0);
1270 SockList_AddShort (&sl, animations[anim_num].faces[i]); /* flags - not used right now */
1271 }
1272 Send_With_Handling (ns, &sl);
1273 free (sl.buf);
1274 ns->anims_sent[anim_num] = 1;
1275}
1276
1277 776
1278/****************************************************************************** 777/******************************************************************************
1279 * 778 *
1280 * Start of map related commands. 779 * Start of map related commands.
1281 * 780 *
1282 ******************************************************************************/ 781 ******************************************************************************/
1283 782
1284/**
1285 * This adds face_num to a map cell at x,y. If the client doesn't have
1286 * the face yet, we will also send it.
1287 */
1288static void
1289esrv_map_setbelow (NewSocket * ns, int x, int y, short face_num, struct Map *newmap)
1290{
1291 if (newmap->cells[x][y].count >= MAP_LAYERS)
1292 {
1293 LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1294 return;
1295 abort ();
1296 }
1297 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1298 newmap->cells[x][y].count++;
1299 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1300 esrv_send_face (ns, face_num, 0);
1301}
1302
1303struct LayerCell
1304{
1305 uint16 xy;
1306 short face;
1307};
1308
1309struct MapLayer
1310{
1311 int count;
1312 struct LayerCell lcells[MAP_CLIENT_X * MAP_CLIENT_Y];
1313};
1314
1315/** Checkes if map cells have changed */
1316static int
1317mapcellchanged (NewSocket * ns, int i, int j, struct Map *newmap)
1318{
1319 int k;
1320
1321 if (ns->lastmap.cells[i][j].count != newmap->cells[i][j].count)
1322 return 1;
1323 for (k = 0; k < newmap->cells[i][j].count; k++)
1324 {
1325 if (ns->lastmap.cells[i][j].faces[k] != newmap->cells[i][j].faces[k])
1326 {
1327 return 1;
1328 }
1329 }
1330 return 0;
1331}
1332
1333/**
1334 * Basically, what this does is pack the data into layers.
1335 * cnum is the client number, cur is the the buffer we put all of
1336 * this data into. we return the end of the data. layers is
1337 * how many layers of data we should back.
1338 */
1339static uint8 *
1340compactlayer (NewSocket * ns, unsigned char *cur, int numlayers, struct Map *newmap)
1341{
1342 int x, y, k;
1343 int face;
1344 unsigned char *fcur;
1345 struct MapLayer layers[MAP_LAYERS];
1346
1347 for (k = 0; k < MAP_LAYERS; k++)
1348 layers[k].count = 0;
1349 fcur = cur;
1350 for (x = 0; x < ns->mapx; x++)
1351 {
1352 for (y = 0; y < ns->mapy; y++)
1353 {
1354 if (!mapcellchanged (ns, x, y, newmap))
1355 continue;
1356 if (newmap->cells[x][y].count == 0)
1357 {
1358 *cur = x * ns->mapy + y; /* mark empty space */
1359 cur++;
1360 continue;
1361 }
1362 for (k = 0; k < newmap->cells[x][y].count; k++)
1363 {
1364 layers[k].lcells[layers[k].count].xy = x * ns->mapy + y;
1365 layers[k].lcells[layers[k].count].face = newmap->cells[x][y].faces[k];
1366 layers[k].count++;
1367 }
1368 }
1369 }
1370 /* If no data, return now. */
1371 if (fcur == cur && layers[0].count == 0)
1372 return cur;
1373 *cur = 255; /* mark end of explicitly cleared cells */
1374 cur++;
1375 /* First pack by layers. */
1376 for (k = 0; k < numlayers; k++)
1377 {
1378 if (layers[k].count == 0)
1379 break; /* once a layer is entirely empty, no layer below it can
1380 have anything in it either */
1381 /* Pack by entries in thie layer */
1382 for (x = 0; x < layers[k].count;)
1383 {
1384 fcur = cur;
1385 *cur = layers[k].lcells[x].face >> 8;
1386 cur++;
1387 *cur = layers[k].lcells[x].face & 0xFF;
1388 cur++;
1389 face = layers[k].lcells[x].face;
1390 /* Now, we back the redundant data into 1 byte xy pairings */
1391 for (y = x; y < layers[k].count; y++)
1392 {
1393 if (layers[k].lcells[y].face == face)
1394 {
1395 *cur = (uint8) layers[k].lcells[y].xy;
1396 cur++;
1397 layers[k].lcells[y].face = -1;
1398 }
1399 }
1400 *(cur - 1) = *(cur - 1) | 128; /* mark for end of xy's; 11*11 < 128 */
1401 /* forward over the now redundant data */
1402 while (x < layers[k].count && layers[k].lcells[x].face == -1)
1403 x++;
1404 }
1405 *fcur = *fcur | 128; /* mark for end of faces at this layer */
1406 }
1407 return cur;
1408}
1409
1410static void
1411esrv_map_doneredraw (NewSocket * ns, struct Map *newmap)
1412{
1413 static long frames, bytes, tbytes, tframes;
1414 char *cur;
1415 SockList sl;
1416
1417
1418 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1419 strcpy ((char *) sl.buf, "map ");
1420 sl.len = strlen ((char *) sl.buf);
1421
1422 cur = (char *) compactlayer (ns, (unsigned char *) sl.buf + sl.len, MAP_LAYERS, newmap);
1423 sl.len = cur - (char *) sl.buf;
1424
1425/* LOG(llevDebug, "Sending map command.\n");*/
1426
1427 if (sl.len > (int) strlen ("map ") || ns->sent_scroll)
1428 {
1429 /* All of this is just accounting stuff */
1430 if (tframes > 100)
1431 {
1432 tframes = tbytes = 0;
1433 }
1434 tframes++;
1435 frames++;
1436 tbytes += sl.len;
1437 bytes += sl.len;
1438 memcpy (&ns->lastmap, newmap, sizeof (struct Map));
1439 Send_With_Handling (ns, &sl);
1440 ns->sent_scroll = 0;
1441 }
1442 free (sl.buf);
1443}
1444
1445
1446/** Clears a map cell */ 783/** Clears a map cell */
1447static void 784static void
1448map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) 785map_clearcell (struct MapCell *cell, int count)
1449{ 786{
1450 cell->faces[0] = face0; 787 cell->faces[0] = 0;
1451 cell->faces[1] = face1; 788 cell->faces[1] = 0;
1452 cell->faces[2] = face2; 789 cell->faces[2] = 0;
790 cell->smooth[0] = 0;
791 cell->smooth[1] = 0;
792 cell->smooth[2] = 0;
1453 cell->count = count; 793 cell->count = count;
1454 cell->stat_hp = 0; 794 cell->stat_hp = 0;
795 cell->flags = 0;
1455 cell->player = 0; 796 cell->player = 0;
1456} 797}
1457 798
1458#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1459#define MAX_LAYERS 3 799#define MAX_LAYERS 3
1460
1461/* Using a global really isn't a good approach, but saves the over head of
1462 * allocating and deallocating such a block of data each time run through,
1463 * and saves the space of allocating this in the socket object when we only
1464 * need it for this cycle. If the serve is ever threaded, this needs to be
1465 * re-examined.
1466 */
1467
1468static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1469
1470/**
1471 * Returns true if any of the heads for this
1472 * space is set. Returns false if all are blank - this is used
1473 * for empty space checking.
1474 */
1475static inline int
1476have_head (int ax, int ay)
1477{
1478
1479 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1480 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1481 return 1;
1482 return 0;
1483}
1484
1485/**
1486 * check_head is a bit simplistic version of update_space below.
1487 * basically, it only checks the that the head on space ax,ay at layer
1488 * needs to get sent - if so, it adds the data, sending the head
1489 * if needed, and returning 1. If this no data needs to get
1490 * sent, it returns zero.
1491 */
1492static int
1493check_head (SockList & sl, NewSocket & ns, int ax, int ay, int layer)
1494{
1495 short face_num;
1496
1497 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1498 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1499 else
1500 face_num = 0;
1501
1502 if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1503 {
1504 SockList_AddShort (&sl, face_num);
1505 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1506 esrv_send_face (&ns, face_num, 0);
1507 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1508 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1509 return 1;
1510 }
1511
1512 return 0; /* No change */
1513}
1514 800
1515/** 801/**
1516 * Removes the need to replicate the same code for each layer. 802 * Removes the need to replicate the same code for each layer.
1517 * this returns true if this space is now in fact different than 803 * this returns true if this space is now in fact different than
1518 * it was. 804 * it was.
1519 * sl is the socklist this data is going into. 805 * sl is the socklist this data is going into.
1520 * ns is the socket we are working on - all the info we care 806 * ns is the socket we are working on - all the info we care
1521 * about is in this socket structure, so now need not pass the 807 * about is in this socket structure, so now need not pass the
1522 * entire player object. 808 * entire player object.
1523 * mx and my are map coordinate offsets for map mp
1524 * sx and sy are the offsets into the socket structure that
1525 * holds the old values.
1526 * layer is the layer to update, with 2 being the floor and 0 the 809 * layer is the layer to update, with 2 being the floor and 0 the
1527 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) 810 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)
1528 * take. Interesting to note that before this function, the map1 function 811 * take. Interesting to note that before this function, the map1 function
1529 * numbers the spaces differently - I think this was a leftover from 812 * numbers the spaces differently - I think this was a leftover from
1530 * the map command, where the faces stack up. Sinces that is no longer 813 * the map command, where the faces stack up. Sinces that is no longer
1531 * the case, it seems to make more sense to have these layer values 814 * the case, it seems to make more sense to have these layer values
1532 * actually match. 815 * actually match.
1533 */ 816 */
1534
1535static int 817static int
1536update_space (SockList * sl, NewSocket * ns, mapstruct *mp, int mx, int my, int sx, int sy, int layer) 818update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer)
1537{ 819{
1538 object *ob, *head; 820 object *ob = ms.faces_obj [layer];
1539 uint16 face_num;
1540 int bx, by, i;
1541
1542 /* If there is a multipart object stored away, treat that as more important.
1543 * If not, then do the normal processing.
1544 */
1545
1546 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1547
1548 /* Check to see if this head is part of the set of objects
1549 * we would normally send for this space. If so, then
1550 * don't use the head value. We need to do the check
1551 * here and not when setting up the heads[] value for two reasons -
1552 * 1) the heads[] values will get used even if the space is not visible.
1553 * 2) its possible the head is not on the same map as a part, and I'd
1554 * rather not need to do the map translation overhead.
1555 * 3) We need to do some extra checking to make sure that we will
1556 * otherwise send the image as this layer, eg, either it matches
1557 * the head value, or is not multipart.
1558 */
1559 if (head && !head->more)
1560 {
1561 for (i = 0; i < MAP_LAYERS; i++)
1562 {
1563 ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1564 if (!ob)
1565 continue;
1566
1567 if (ob->head)
1568 ob = ob->head;
1569
1570 if (ob == head)
1571 {
1572 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1573 head = NULL;
1574 break;
1575 }
1576 }
1577 }
1578
1579 ob = head;
1580 if (!ob)
1581 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1582 821
1583 /* If there is no object for this space, or if the face for the object 822 /* If there is no object for this space, or if the face for the object
1584 * is the blank face, set the face number to zero. 823 * is the blank face, set the face number to zero.
1585 * else if we have the stored head object for this space, that takes 824 * else if we have the stored head object for this space, that takes
1586 * precedence over the other object for this space. 825 * precedence over the other object for this space.
1587 * otherwise, we do special head processing 826 * otherwise, we do special head processing
1588 */ 827 */
1589 if (!ob || ob->face == blank_face) 828 uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
1590 face_num = 0;
1591 else if (head)
1592 {
1593 /* if this is a head that had previously been stored */
1594 face_num = ob->face->number;
1595 }
1596 else
1597 {
1598 /* if the faces for the different parts of a multipart object
1599 * are the same, we only want to send the bottom right most
1600 * portion of the object. That info is in the tail_.. values
1601 * of the head. Note that for the head itself, ob->head will
1602 * be null, so we only do this block if we are working on
1603 * a tail piece.
1604 */
1605
1606 /* tail_x and tail_y will only be set in the head object. If
1607 * this is the head object and these are set, we proceed
1608 * with logic to only send bottom right. Similarly, if
1609 * this is one of the more parts but the head has those values
1610 * set, we want to do the processing. There can be cases where
1611 * the head is not visible but one of its parts is, so we just
1612 * can always expect that ob->arch->tail_x will be true for all
1613 * object we may want to display.
1614 */
1615 if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1616 {
1617
1618 if (ob->head)
1619 head = ob->head;
1620 else
1621 head = ob;
1622
1623 /* Basically figure out where the offset is from where we are right
1624 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1625 * piece is from the head, and the tail is where the tail is from the
1626 * head. Note that bx and by will equal sx and sy if we are already working
1627 * on the bottom right corner. If ob is the head, the clone values
1628 * will be zero, so the right thing will still happen.
1629 */
1630 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1631 by = sy + head->arch->tail_y - ob->arch->clone.y;
1632
1633 /* I don't think this can ever happen, but better to check for it just
1634 * in case.
1635 */
1636 if (bx < sx || by < sy)
1637 {
1638 LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1639 face_num = 0;
1640 }
1641 /* single part object, multipart object with non merged faces,
1642 * of multipart object already at lower right.
1643 */
1644 else if (bx == sx && by == sy)
1645 {
1646 face_num = ob->face->number;
1647
1648 /* if this face matches one stored away, clear that one away.
1649 * this code relies on the fact that the map1 commands
1650 * goes from 2 down to 0.
1651 */
1652 for (i = 0; i < MAP_LAYERS; i++)
1653 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1654 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1655 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1656 }
1657 else
1658 {
1659 /* If this head is stored away, clear it - otherwise,
1660 * there can be cases where a object is on multiple layers -
1661 * we only want to send it once.
1662 */
1663 face_num = head->face->number;
1664 for (i = 0; i < MAP_LAYERS; i++)
1665 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1666 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1667 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1668
1669 /* First, try to put the new head on the same layer. If that is used up,
1670 * then find another layer.
1671 */
1672 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1673 {
1674 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1675 }
1676 else
1677 for (i = 0; i < MAX_LAYERS; i++)
1678 {
1679 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1680 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1681 {
1682 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1683 }
1684 }
1685 face_num = 0; /* Don't send this object - we'll send the head later */
1686 }
1687 }
1688 else
1689 {
1690 /* In this case, we are already at the lower right or single part object,
1691 * so nothing special
1692 */
1693 face_num = ob->face->number;
1694
1695 /* clear out any head entries that have the same face as this one */
1696 for (bx = 0; bx < layer; bx++)
1697 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1698 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1699 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1700 }
1701 } /* else not already head object or blank face */
1702
1703 /* This is a real hack. Basically, if we have nothing to send for this layer,
1704 * but there is a head on the next layer, send that instead.
1705 * Without this, what happens is you can get the case where the player stands
1706 * on the same space as the head. However, if you have overlapping big objects
1707 * of the same type, what happens then is it doesn't think it needs to send
1708 * This tends to make stacking also work/look better.
1709 */
1710 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1711 {
1712 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1713 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1714 }
1715
1716 /* Another hack - because of heads and whatnot, this face may match one
1717 * we already sent for a lower layer. In that case, don't send
1718 * this one.
1719 */
1720 if (face_num && layer + 1 < MAP_LAYERS && ns->lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1721 {
1722 face_num = 0;
1723 }
1724 829
1725 /* We've gotten what face we want to use for the object. Now see if 830 /* We've gotten what face we want to use for the object. Now see if
1726 * if it has changed since we last sent it to the client. 831 * if it has changed since we last sent it to the client.
1727 */ 832 */
1728 if (ns->lastmap.cells[sx][sy].faces[layer] != face_num) 833 if (lastcell.faces[layer] != face_num)
1729 { 834 {
1730 ns->lastmap.cells[sx][sy].faces[layer] = face_num; 835 lastcell.faces[layer] = face_num;
1731 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE)) 836
837 if (!ns.faces_sent[face_num])
838 if (ob)
839 ns.send_faces (ob);
840 else
1732 esrv_send_face (ns, face_num, 0); 841 ns.send_face (face_num, 10);
1733 SockList_AddShort (sl, face_num); 842
843 sl << uint16 (face_num);
1734 return 1; 844 return 1;
1735 } 845 }
846
1736 /* Nothing changed */ 847 /* Nothing changed */
1737 return 0; 848 return 0;
1738} 849}
1739 850
1740/** 851/**
1741 * This function is mainly a copy of update_space,
1742 * except it handles update of the smoothing updates,
1743 * not the face updates.
1744 * Removes the need to replicate the same code for each layer.
1745 * this returns true if this smooth is now in fact different
1746 * than it was.
1747 * sl is the socklist this data is going into.
1748 * ns is the socket we are working on - all the info we care
1749 * about is in this socket structure, so know need to pass the
1750 * entire player object.
1751 * mx and my are map coordinate offsets for map mp
1752 * sx and sy are the offsets into the socket structure that
1753 * holds the old values.
1754 * layer is the layer to update, with 2 being the floor and 0 the
1755 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1756 * take.
1757 */
1758
1759static inline int
1760update_smooth (SockList * sl, NewSocket * ns, mapstruct *mp, int mx, int my, int sx, int sy, int layer)
1761{
1762 object *ob;
1763 int smoothlevel; /* old face_num; */
1764
1765 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1766
1767 /* If there is no object for this space, or if the face for the object
1768 * is the blank face, set the smoothlevel to zero.
1769 */
1770 if (!ob || ob->face == blank_face || MAP_NOSMOOTH (mp))
1771 smoothlevel = 0;
1772 else
1773 {
1774 smoothlevel = ob->smoothlevel;
1775 if (smoothlevel && !(ns->faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1776 SendSmooth (ns, ob->face->number);
1777 } /* else not already head object or blank face */
1778
1779 /* We've gotten what face we want to use for the object. Now see if
1780 * if it has changed since we last sent it to the client.
1781 */
1782 if (smoothlevel > 255)
1783 smoothlevel = 255;
1784 else if (smoothlevel < 0)
1785 smoothlevel = 0;
1786 if (ns->lastmap.cells[sx][sy].smooth[layer] != smoothlevel)
1787 {
1788 ns->lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1789 SockList_AddChar (sl, (uint8) (smoothlevel & 0xFF));
1790 return 1;
1791 }
1792 /* Nothing changed */
1793 return 0;
1794}
1795
1796/**
1797 * Returns the size of a data for a map square as returned by
1798 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
1799 * available.
1800 */
1801int
1802getExtendedMapInfoSize (NewSocket * ns)
1803{
1804 int result = 0;
1805
1806 if (ns->ext_mapinfos)
1807 {
1808 if (ns->EMI_smooth)
1809 result += 1; /*One byte for smoothlevel */
1810 }
1811 return result;
1812}
1813
1814/**
1815 * This function uses the new map1 protocol command to send the map
1816 * to the client. It is necessary because the old map command supports
1817 * a maximum map size of 15x15.
1818 * This function is much simpler than the old one. This is because
1819 * the old function optimized to send as few face identifiers as possible,
1820 * at the expense of sending more coordinate location (coordinates were
1821 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1822 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1823 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1824 * and use the other 4 bits for other informatiion. For full documentation
1825 * of what we send, see the doc/Protocol file.
1826 * I will describe internally what we do:
1827 * the socket->lastmap shows how the map last looked when sent to the client.
1828 * in the lastmap structure, there is a cells array, which is set to the
1829 * maximum viewable size (As set in config.h).
1830 * in the cells, there are faces and a count value.
1831 * we use the count value to hold the darkness value. If -1, then this space
1832 * is not viewable.
1833 * we use faces[0] faces[1] faces[2] to hold what the three layers
1834 * look like.
1835 */
1836void
1837draw_client_map1 (object *pl)
1838{
1839 int x, y, ax, ay, d, startlen, max_x, max_y, oldlen;
1840 sint16 nx, ny;
1841 int estartlen, eoldlen;
1842 SockList sl;
1843 SockList esl; /*For extended Map info */
1844 uint16 mask, emask;
1845 uint8 eentrysize;
1846 uint16 ewhatstart, ewhatflag;
1847 uint8 extendedinfos;
1848 mapstruct *m;
1849
1850 NewSocket & socket = pl->contr->socket;
1851
1852 check_map_change (pl->contr);
1853
1854 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1855 if (socket.mapmode == Map1Cmd)
1856 strcpy ((char *) sl.buf, "map1 ");
1857 else
1858 strcpy ((char *) sl.buf, "map1a ");
1859 sl.len = strlen ((char *) sl.buf);
1860 startlen = sl.len;
1861 /*Extendedmapinfo structure initialisation */
1862 if (socket.ext_mapinfos)
1863 {
1864 esl.buf = (unsigned char *) malloc (MAXSOCKBUF);
1865 strcpy ((char *) esl.buf, "mapextended ");
1866 esl.len = strlen ((char *) esl.buf);
1867 extendedinfos = EMI_NOREDRAW;
1868 if (socket.EMI_smooth)
1869 extendedinfos |= EMI_SMOOTH;
1870 ewhatstart = esl.len;
1871 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1872 could need to be taken away */
1873 SockList_AddChar (&esl, extendedinfos);
1874 eentrysize = getExtendedMapInfoSize (&socket);
1875 SockList_AddChar (&esl, eentrysize);
1876 estartlen = esl.len;
1877 }
1878 else
1879 {
1880 /* suppress compiler warnings */
1881 ewhatstart = 0;
1882 ewhatflag = 0;
1883 estartlen = 0;
1884 }
1885 /* Init data to zero */
1886 memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1887
1888 /* x,y are the real map locations. ax, ay are viewport relative
1889 * locations.
1890 */
1891 ay = 0;
1892
1893 /* We could do this logic as conditionals in the if statement,
1894 * but that started to get a bit messy to look at.
1895 */
1896 max_x = pl->x + (socket.mapx + 1) / 2;
1897 max_y = pl->y + (socket.mapy + 1) / 2;
1898 if (socket.mapmode == Map1aCmd)
1899 {
1900 max_x += MAX_HEAD_OFFSET;
1901 max_y += MAX_HEAD_OFFSET;
1902 }
1903
1904 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++)
1905 {
1906 ax = 0;
1907 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++)
1908 {
1909
1910 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1911
1912 /* If this space is out of the normal viewable area, we only check
1913 * the heads value ax or ay will only be greater than what
1914 * the client wants if using the map1a command - this is because
1915 * if the map1a command is not used, max_x and max_y will be
1916 * set to lower values.
1917 */
1918 if (ax >= socket.mapx || ay >= socket.mapy)
1919 {
1920 int i, got_one;
1921
1922 oldlen = sl.len;
1923
1924 SockList_AddShort (&sl, mask);
1925
1926 if (check_head (sl, socket, ax, ay, 2))
1927 mask |= 0x4;
1928 if (check_head (sl, socket, ax, ay, 1))
1929 mask |= 0x2;
1930 if (check_head (sl, socket, ax, ay, 0))
1931 mask |= 0x1;
1932
1933 /* If all we are doing is sending 0 (blank) faces, we don't
1934 * actually need to send that - just the coordinates
1935 * with no faces tells the client to blank out the
1936 * space.
1937 */
1938 got_one = 0;
1939 for (i = oldlen + 2; i < sl.len; i++)
1940 {
1941 if (sl.buf[i])
1942 got_one = 1;
1943 }
1944
1945 if (got_one && (mask & 0xf))
1946 {
1947 sl.buf[oldlen + 1] = mask & 0xff;
1948 }
1949 else
1950 { /*either all faces blank, either no face at all */
1951 if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates */
1952 sl.len = oldlen + 2;
1953 else
1954 sl.len = oldlen;
1955 }
1956 /*What concerns extendinfos, nothing to be done for now
1957 * (perhaps effects layer later)
1958 */
1959 continue; /* don't do processing below */
1960 }
1961
1962 MapCell & lastcell = socket.lastmap.cells[ax][ay];
1963
1964 d = pl->contr->blocked_los[ax][ay];
1965
1966 /* If the coordinates are not valid, or it is too dark to see,
1967 * we tell the client as such
1968 */
1969 nx = x;
1970 ny = y;
1971 m = get_map_from_coord (pl->map, &nx, &ny);
1972 if (!m)
1973 {
1974 /* space is out of map. Update space and clear values
1975 * if this hasn't already been done. If the space is out
1976 * of the map, it shouldn't have a head
1977 */
1978 if (lastcell.count != -1)
1979 {
1980 SockList_AddShort (&sl, mask);
1981 map_clearcell (&lastcell, 0, 0, 0, -1);
1982 }
1983 }
1984 else if (d > 3)
1985 {
1986 int need_send = 0, count;
1987
1988 /* This block deals with spaces that are not visible for whatever
1989 * reason. Still may need to send the head for this space.
1990 */
1991
1992 oldlen = sl.len;
1993
1994 SockList_AddShort (&sl, mask);
1995 if (lastcell.count != -1)
1996 need_send = 1;
1997 count = -1;
1998
1999 if (socket.mapmode == Map1aCmd && have_head (ax, ay))
2000 {
2001 /* Now check to see if any heads need to be sent */
2002
2003 if (check_head (sl, socket, ax, ay, 2))
2004 mask |= 0x4;
2005 if (check_head (sl, socket, ax, ay, 1))
2006 mask |= 0x2;
2007 if (check_head (sl, socket, ax, ay, 0))
2008 mask |= 0x1;
2009
2010 lastcell.count = count;
2011
2012 }
2013 else
2014 {
2015 struct MapCell *cell = &lastcell;
2016
2017 /* properly clear a previously sent big face */
2018 if (cell->faces[0] != 0 || cell->faces[1] != 0 || cell->faces[2] != 0)
2019 need_send = 1;
2020 map_clearcell (&lastcell, 0, 0, 0, count);
2021 }
2022
2023 if ((mask & 0xf) || need_send)
2024 {
2025 sl.buf[oldlen + 1] = mask & 0xff;
2026 }
2027 else
2028 {
2029 sl.len = oldlen;
2030 }
2031 }
2032 else
2033 {
2034 /* In this block, the space is visible or there are head objects
2035 * we need to send.
2036 */
2037
2038 /* Rather than try to figure out what everything that we might
2039 * need to send is, then form the packet after that,
2040 * we presume that we will in fact form a packet, and update
2041 * the bits by what we do actually send. If we send nothing,
2042 * we just back out sl.len to the old value, and no harm
2043 * is done.
2044 * I think this is simpler than doing a bunch of checks to see
2045 * what if anything we need to send, setting the bits, then
2046 * doing those checks again to add the real data.
2047 */
2048 oldlen = sl.len;
2049 mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
2050 eoldlen = esl.len;
2051 emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
2052 SockList_AddShort (&sl, mask);
2053
2054 if (socket.ext_mapinfos)
2055 SockList_AddShort (&esl, emask);
2056
2057 unsigned char dummy;
2058 unsigned char *last_ext = &dummy;
2059
2060 /* Darkness changed */
2061 if (lastcell.count != d && socket.darkness)
2062 {
2063 mask |= 0x8;
2064
2065 if (socket.extmap)
2066 {
2067 *last_ext |= 0x80;
2068 last_ext = sl.buf + sl.len;
2069 SockList_AddChar (&sl, d);
2070 }
2071 else
2072 SockList_AddChar (&sl, 255 - 64 * d);
2073 }
2074
2075 lastcell.count = d;
2076
2077 if (socket.extmap)
2078 {
2079 uint8 stat_hp = 0;
2080 uint8 stat_width = 0;
2081 tag_t player = 0;
2082
2083 // send hp information, if applicable
2084 if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0))
2085 {
2086 if (op->head || op->invisible)
2087 ; // do not show
2088 else if (op->type == PLAYER
2089 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
2090 {
2091 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
2092 {
2093 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
2094 stat_width = op->arch->tail_x;
2095 }
2096 }
2097
2098 if (op->type == PLAYER && op != pl)
2099 player = op->count;
2100 }
2101
2102 if (lastcell.stat_hp != stat_hp)
2103 {
2104 lastcell.stat_hp = stat_hp;
2105
2106 mask |= 0x8;
2107 *last_ext |= 0x80;
2108 last_ext = sl.buf + sl.len;
2109 SockList_AddChar (&sl, 5);
2110 SockList_AddChar (&sl, stat_hp);
2111
2112 if (stat_width > 1)
2113 {
2114 *last_ext |= 0x80;
2115 last_ext = sl.buf + sl.len;
2116 SockList_AddChar (&sl, 6);
2117 SockList_AddChar (&sl, stat_width);
2118 }
2119 }
2120
2121 if (lastcell.player !=player)
2122 {
2123 lastcell.player = player;
2124
2125 mask |= 0x8;
2126 *last_ext |= 0x80;
2127 last_ext = sl.buf + sl.len;
2128 SockList_AddChar (&sl, 0x47);
2129 SockList_AddChar (&sl, 4);
2130 SockList_AddInt (&sl, player);
2131 }
2132 }
2133
2134 /* Floor face */
2135 if (update_space (&sl, &socket, m, nx, ny, ax, ay, 2))
2136 mask |= 0x4;
2137
2138 if (socket.EMI_smooth)
2139 if (update_smooth (&esl, &socket, m, nx, ny, ax, ay, 2))
2140 emask |= 0x4;
2141
2142 /* Middle face */
2143 if (update_space (&sl, &socket, m, nx, ny, ax, ay, 1))
2144 mask |= 0x2;
2145
2146 if (socket.EMI_smooth)
2147 if (update_smooth (&esl, &socket, m, nx, ny, ax, ay, 1))
2148 emask |= 0x2;
2149
2150 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
2151 {
2152 if (lastcell.faces[0] != pl->face->number)
2153 {
2154 lastcell.faces[0] = pl->face->number;
2155 mask |= 0x1;
2156 if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE))
2157 esrv_send_face (&socket, pl->face->number, 0);
2158 SockList_AddShort (&sl, pl->face->number);
2159 }
2160 }
2161 /* Top face */
2162 else
2163 {
2164 if (update_space (&sl, &socket, m, nx, ny, ax, ay, 0))
2165 mask |= 0x1;
2166 if (socket.EMI_smooth)
2167 if (update_smooth (&esl, &socket, m, nx, ny, ax, ay, 0))
2168 {
2169 emask |= 0x1;
2170 }
2171 }
2172 /* Check to see if we are in fact sending anything for this
2173 * space by checking the mask. If so, update the mask.
2174 * if not, reset the len to that from before adding the mask
2175 * value, so we don't send those bits.
2176 */
2177 if (mask & 0xf)
2178 {
2179 sl.buf[oldlen + 1] = mask & 0xff;
2180 }
2181 else
2182 {
2183 sl.len = oldlen;
2184 }
2185 if (emask & 0xf)
2186 {
2187 esl.buf[eoldlen + 1] = emask & 0xff;
2188 }
2189 else
2190 {
2191 esl.len = eoldlen;
2192 }
2193 } /* else this is a viewable space */
2194 } /* for x loop */
2195 } /* for y loop */
2196
2197 /* Verify that we in fact do need to send this */
2198 if (socket.ext_mapinfos)
2199 {
2200 if (!(sl.len > startlen || socket.sent_scroll))
2201 {
2202 /* No map data will follow, so don't say the client
2203 * it doesn't need draw!
2204 */
2205 ewhatflag &= (~EMI_NOREDRAW);
2206 esl.buf[ewhatstart + 1] = ewhatflag & 0xff;
2207 }
2208 if (esl.len > estartlen)
2209 {
2210 Send_With_Handling (&socket, &esl);
2211 }
2212 free (esl.buf);
2213 }
2214 if (sl.len > startlen || socket.sent_scroll)
2215 {
2216 Send_With_Handling (&socket, &sl);
2217 socket.sent_scroll = 0;
2218 }
2219 free (sl.buf);
2220}
2221
2222/**
2223 * Draws client map. 852 * Draws client map.
2224 */ 853 */
2225void 854void
2226draw_client_map (object *pl) 855draw_client_map (player *pl)
2227{ 856{
2228 int i, j; 857 object *ob = pl->viewpoint;
2229 sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ 858 if (!pl->observe->active)
2230 New_Face *face, *floor;
2231 New_Face *floor2;
2232 int d, mflags;
2233 struct Map newmap;
2234 mapstruct *m, *pm;
2235
2236 if (pl->type != PLAYER)
2237 {
2238 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
2239 return; 859 return;
2240 }
2241
2242 pm = pl->map;
2243 860
2244 /* If player is just joining the game, he isn't here yet, so the map 861 /* If player is just joining the game, he isn't here yet, so the map
2245 * can get swapped out. If so, don't try to send them a map. All will 862 * can get swapped out. If so, don't try to send them a map. All will
2246 * be OK once they really log in. 863 * be OK once they really log in.
2247 */ 864 */
2248 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY) 865 if (!ob->map || ob->map->state != MAP_ACTIVE)
2249 return; 866 return;
2250 867
2251 memset (&newmap, 0, sizeof (struct Map)); 868 int startlen, oldlen;
2252 869
2253 for (j = (pl->y - pl->contr->socket.mapy / 2); j < (pl->y + (pl->contr->socket.mapy + 1) / 2); j++) 870 check_map_change (pl);
2254 { 871 pl->ob->prefetch_surrounding_maps ();
2255 for (i = (pl->x - pl->contr->socket.mapx / 2); i < (pl->x + (pl->contr->socket.mapx + 1) / 2); i++) 872
2256 {
2257 ax = i;
2258 ay = j;
2259 m = pm;
2260 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
2261 if (mflags & P_OUT_OF_MAP)
2262 continue;
2263 if (mflags & P_NEED_UPDATE)
2264 update_position (m, ax, ay);
2265 /* If a map is visible to the player, we don't want to swap it out
2266 * just to reload it. This should really call something like
2267 * swap_map, but this is much more efficient and 'good enough'
2268 */
2269 if (mflags & P_NEW_MAP)
2270 m->timeout = 50;
2271 }
2272 }
2273 /* do LOS after calls to update_position */ 873 /* do LOS after calls to update_position */
2274 if (pl->contr->do_los) 874 /* unfortunately, we need to udpate los when observing, currently */
875 if (pl->do_los || pl->viewpoint != pl->ob)
2275 { 876 {
877 pl->do_los = 0;
2276 update_los (pl); 878 pl->update_los ();
2277 pl->contr->do_los = 0;
2278 }
2279
2280 if (pl->contr->socket.mapmode == Map1Cmd || pl->contr->socket.mapmode == Map1aCmd)
2281 { 879 }
2282 /* Big maps need a different drawing mechanism to work */
2283 draw_client_map1 (pl);
2284 return;
2285 }
2286 880
2287 if (pl->invisible & (pl->invisible < 50 ? 4 : 1)) 881 /**
2288 { 882 * This function uses the new map1 protocol command to send the map
2289 esrv_map_setbelow (&pl->contr->socket, pl->contr->socket.mapx / 2, pl->contr->socket.mapy / 2, pl->face->number, &newmap); 883 * to the client. It is necessary because the old map command supports
2290 } 884 * a maximum map size of 15x15.
2291 885 * This function is much simpler than the old one. This is because
2292 /* j and i are the y and x coordinates of the real map (which is 886 * the old function optimized to send as few face identifiers as possible,
2293 * basically some number of spaces around the player) 887 * at the expense of sending more coordinate location (coordinates were
2294 * ax and ay are values from within the viewport (ie, 0, 0 is upper 888 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
2295 * left corner) and are thus disconnected from the map values. 889 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
2296 * Subtract 1 from the max values so that we properly handle cases where 890 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
2297 * player has specified an even map. Otherwise, we try to send them too 891 * and use the other 4 bits for other informatiion. For full documentation
2298 * much, ie, if mapx is 10, we would try to send from -5 to 5, which is actually 892 * of what we send, see the doc/Protocol file.
2299 * 11 spaces. Now, we would send from -5 to 4, which is properly. If mapx is 893 * I will describe internally what we do:
2300 * odd, this still works fine. 894 * the ns->lastmap shows how the map last looked when sent to the client.
895 * in the lastmap structure, there is a cells array, which is set to the
896 * maximum viewable size (As set in config.h).
897 * in the cells, there are faces and a count value.
898 * we use the count value to hold the darkness value. If -1, then this space
899 * is not viewable.
900 * we use faces[0] faces[1] faces[2] to hold what the three layers
901 * look like.
2301 */ 902 */
2302 ay = 0; 903
2303 for (j = pl->y - pl->contr->socket.mapy / 2; j <= pl->y + (pl->contr->socket.mapy - 1) / 2; j++, ay++) 904 client &socket = *pl->ns;
2304 { 905
2305 ax = 0; 906 packet sl ("map1a");
2306 for (i = pl->x - pl->contr->socket.mapx / 2; i <= pl->x + (pl->contr->socket.mapx - 1) / 2; i++, ax++) 907
908 startlen = sl.length ();
909
910 int hx = socket.mapx / 2;
911 int hy = socket.mapy / 2;
912
913 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
914 int ax = dx + hx;
915 int ay = dy + hy;
916
917 int mask = (ax << 10) | (ay << 4);
918 MapCell &lastcell = socket.lastmap.cells[ax][ay];
919
920 /* If the coordinates are not valid, or it is too dark to see,
921 * we tell the client as such
922 */
923 if (!m)
2307 { 924 {
2308 925 /* space is out of map. Update space and clear values
2309 d = pl->contr->blocked_los[ax][ay]; 926 * if this hasn't already been done. If the space is out
2310 /* note the out_of_map and d>3 checks are both within the same 927 * of the map, it shouldn't have a head.
2311 * negation check.
2312 */ 928 */
2313 nx = i; 929 if (lastcell.count != -1)
2314 ny = j; 930 {
2315 m = get_map_from_coord (pm, &nx, &ny); 931 sl << uint16 (mask);
2316 if (m && d < 4) 932 map_clearcell (&lastcell, -1);
933 }
934
935 continue;
936 }
937
938 int d = pl->blocked_los_uc (dx, dy);
939
940 if (d > 3)
941 {
942 /* This block deals with spaces that are not visible for whatever
943 * reason. Still may need to send the head for this space.
944 */
945 if (lastcell.count != -1
946 || lastcell.faces[0]
947 || lastcell.faces[1]
948 || lastcell.faces[2]
949 || lastcell.stat_hp
950 || lastcell.flags
951 || lastcell.player)
952 sl << uint16 (mask);
953
954 /* properly clear a previously sent big face */
955 map_clearcell (&lastcell, -1);
956 }
957 else
958 {
959 /* In this block, the space is visible.
960 */
961
962 /* Rather than try to figure out what everything that we might
963 * need to send is, then form the packet after that,
964 * we presume that we will in fact form a packet, and update
965 * the bits by what we do actually send. If we send nothing,
966 * we just back out sl.length () to the old value, and no harm
967 * is done.
968 * I think this is simpler than doing a bunch of checks to see
969 * what if anything we need to send, setting the bits, then
970 * doing those checks again to add the real data.
971 */
972 oldlen = sl.length ();
973
974 sl << uint16 (mask);
975
976 unsigned char dummy;
977 unsigned char *last_ext = &dummy;
978
979 /* Darkness changed */
980 if (lastcell.count != d)
981 {
982 mask |= 0x8;
983
984 *last_ext |= 0x80;
985 last_ext = &sl[sl.length ()];
986 sl << uint8 (d);
987 }
988
989 lastcell.count = d;
990
991 mapspace &ms = m->at (nx, ny);
992 ms.update ();
993
994 // extmap handling
995 uint8 stat_hp = 0;
996 uint8 stat_width = 0;
997 uint8 flags = 0;
998 tag_t player = 0;
999
1000 // send hp information, if applicable
1001 if (object *op = ms.faces_obj [0])
1002 if (op->is_head () && !op->invisible)
2317 { 1003 {
2318 face = GET_MAP_FACE (m, nx, ny, 0); 1004 if (op->stats.maxhp > op->stats.hp
2319 floor2 = GET_MAP_FACE (m, nx, ny, 1); 1005 && op->stats.maxhp > 0
2320 floor = GET_MAP_FACE (m, nx, ny, 2); 1006 && (op->type == PLAYER
2321 1007 || op->type == DOOR // does not work, have maxhp 0
2322 /* If all is blank, send a blank face. */ 1008 || op->flag [FLAG_MONSTER]
2323 if ((!face || face == blank_face) && (!floor2 || floor2 == blank_face) && (!floor || floor == blank_face)) 1009 || op->flag [FLAG_ALIVE]
1010 || op->flag [FLAG_GENERATOR]))
2324 { 1011 {
2325 esrv_map_setbelow (&pl->contr->socket, ax, ay, blank_face->number, &newmap); 1012 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1013 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
2326 } 1014 }
1015
1016 if (expect_false (op->has_dialogue ()))
1017 flags |= 1;
1018
1019 if (expect_false (op->type == PLAYER))
1020 player = op == ob ? pl->ob->count
1021 : op == pl->ob ? ob->count
1022 : op->count;
1023 }
1024
1025 if (expect_false (lastcell.stat_hp != stat_hp))
1026 {
1027 lastcell.stat_hp = stat_hp;
1028
1029 mask |= 0x8;
1030 *last_ext |= 0x80;
1031 last_ext = &sl[sl.length ()];
1032
1033 sl << uint8 (5) << uint8 (stat_hp);
1034
1035 if (stat_width > 1)
2327 else 1036 {
2328 { /* actually have something interesting */ 1037 *last_ext |= 0x80;
2329 /* send the darkness mask, if any. */ 1038 last_ext = &sl[sl.length ()];
2330 if (d && pl->contr->socket.darkness)
2331 esrv_map_setbelow (&pl->contr->socket, ax, ay, dark_faces[d - 1]->number, &newmap);
2332 1039
2333 if (face && face != blank_face) 1040 sl << uint8 (6) << uint8 (stat_width);
2334 esrv_map_setbelow (&pl->contr->socket, ax, ay, face->number, &newmap);
2335 if (floor2 && floor2 != blank_face)
2336 esrv_map_setbelow (&pl->contr->socket, ax, ay, floor2->number, &newmap);
2337 if (floor && floor != blank_face)
2338 esrv_map_setbelow (&pl->contr->socket, ax, ay, floor->number, &newmap);
2339 } 1041 }
2340 } /* Is a valid space */
2341 } 1042 }
1043
1044 if (expect_false (lastcell.player != player))
1045 {
1046 lastcell.player = player;
1047
1048 mask |= 0x8;
1049 *last_ext |= 0x80;
1050 last_ext = &sl[sl.length ()];
1051
1052 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1053 }
1054
1055 if (expect_false (lastcell.flags != flags))
1056 {
1057 lastcell.flags = flags;
1058
1059 mask |= 0x8;
1060 *last_ext |= 0x80;
1061 last_ext = &sl[sl.length ()];
1062
1063 sl << uint8 (8) << uint8 (flags);
1064 }
1065
1066 // faces
1067
1068 /* Floor face */
1069 if (update_space (sl, socket, ms, lastcell, 2))
1070 mask |= 0x4;
1071
1072 /* Middle face */
1073 if (update_space (sl, socket, ms, lastcell, 1))
1074 mask |= 0x2;
1075
1076 if (expect_false (ob->invisible)
1077 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1078 && ms.player () == ob)
1079 {
1080 // force player to be visible to himself if invisible
1081 if (lastcell.faces[0] != ob->face)
1082 {
1083 lastcell.faces[0] = ob->face;
1084
1085 mask |= 0x1;
1086 sl << uint16 (ob->face);
1087
1088 socket.send_faces (ob);
1089 }
1090 }
1091 /* Top face */
1092 else if (update_space (sl, socket, ms, lastcell, 0))
1093 mask |= 0x1;
1094
1095 /* Check to see if we are in fact sending anything for this
1096 * space by checking the mask. If so, update the mask.
1097 * if not, reset the len to that from before adding the mask
1098 * value, so we don't send those bits.
1099 */
1100 if (mask & 0xf)
1101 sl[oldlen + 1] = mask & 0xff;
1102 else
1103 sl.reset (oldlen);
1104 } /* else this is a viewable space */
1105 ordered_mapwalk_end
1106
1107 socket.flush_fx ();
1108
1109 if (sl.length () > startlen || socket.sent_scroll)
2342 } 1110 {
2343 esrv_map_doneredraw (&pl->contr->socket, &newmap); 1111 socket.send_packet (sl);
2344 1112 socket.sent_scroll = 0;
2345 check_map_change (pl->contr);
2346}
2347
2348
2349/*****************************************************************************/
2350
2351/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
2352
2353/* a player. Of course, the client need to know the command to be able to */
2354
2355/* manage it ! */
2356
2357/*****************************************************************************/
2358void
2359send_plugin_custom_message (object *pl, char *buf)
2360{
2361 cs_write_string (&pl->contr->socket, buf, strlen (buf));
2362}
2363
2364/**
2365 * This sends the skill number to name mapping. We ignore
2366 * the params - we always send the same info no matter what.
2367 */
2368void
2369send_skill_info (NewSocket * ns, char *params)
2370{
2371 SockList sl;
2372 int i;
2373
2374 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
2375 strcpy ((char *) sl.buf, "replyinfo skill_info\n");
2376 for (i = 1; i < NUM_SKILLS; i++)
2377 { 1113 }
2378 sprintf ((char *) sl.buf + strlen ((char *) sl.buf), "%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
2379 }
2380 sl.len = strlen ((char *) sl.buf);
2381 if (sl.len >= MAXSOCKBUF)
2382 {
2383 LOG (llevError, "Buffer overflow in send_skill_info!\n");
2384 fatal (0);
2385 }
2386 Send_With_Handling (ns, &sl);
2387 free (sl.buf);
2388}
2389
2390/**
2391 * This sends the spell path to name mapping. We ignore
2392 * the params - we always send the same info no matter what.
2393 */
2394void
2395send_spell_paths (NewSocket * ns, char *params)
2396{
2397 SockList sl;
2398 int i;
2399
2400 sl.buf = (unsigned char *) malloc (MAXSOCKBUF);
2401 strcpy ((char *) sl.buf, "replyinfo spell_paths\n");
2402 for (i = 0; i < NRSPELLPATHS; i++)
2403 sprintf ((char *) sl.buf + strlen ((char *) sl.buf), "%d:%s\n", 1 << i, spellpathnames[i]);
2404 sl.len = strlen ((char *) sl.buf);
2405 if (sl.len >= MAXSOCKBUF)
2406 {
2407 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
2408 fatal (0);
2409 }
2410 Send_With_Handling (ns, &sl);
2411 free (sl.buf);
2412} 1114}
2413 1115
2414/** 1116/**
2415 * This looks for any spells the player may have that have changed their stats. 1117 * This looks for any spells the player may have that have changed their stats.
2416 * it then sends an updspell packet for each spell that has changed in this way 1118 * it then sends an updspell packet for each spell that has changed in this way
2417 */ 1119 */
2418void 1120void
2419esrv_update_spells (player *pl) 1121esrv_update_spells (player *pl)
2420{ 1122{
2421 SockList sl; 1123 if (!pl->ns)
2422 int flags = 0;
2423 object *spell;
2424
2425 if (!pl->socket.monitor_spells)
2426 return; 1124 return;
1125
1126 pl->ns->update_spells = false;
1127
1128 if (!pl->ns->monitor_spells)
1129 return;
1130
2427 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1131 for (object *spell = pl->ob->inv; spell; spell = spell->below)
2428 {
2429 if (spell->type == SPELL) 1132 if (spell->type == SPELL)
2430 { 1133 {
1134 int flags = 0;
1135 int val;
1136
2431 /* check if we need to update it */ 1137 /* check if we need to update it */
2432 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1138 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1139 if (spell->cached_sp != val)
2433 { 1140 {
2434 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1141 spell->cached_sp = val;
2435 flags |= UPD_SP_MANA; 1142 flags |= UPD_SP_MANA;
2436 } 1143 }
1144
2437 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1145 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1146 if (spell->cached_grace != val)
2438 { 1147 {
2439 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1148 spell->cached_grace = val;
2440 flags |= UPD_SP_GRACE; 1149 flags |= UPD_SP_GRACE;
2441 } 1150 }
2442 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1151
1152 val = casting_level (pl->ob, spell);
1153 if (spell->cached_eat != val)
2443 { 1154 {
2444 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1155 spell->cached_eat = val;
2445 flags |= UPD_SP_DAMAGE; 1156 flags |= UPD_SP_LEVEL;
2446 } 1157 }
1158
2447 if (flags != 0) 1159 if (flags)
2448 { 1160 {
2449 sl.buf = (unsigned char *) malloc (MAXSOCKBUF); 1161 packet sl;
2450 strcpy ((char *) sl.buf, "updspell "); 1162
2451 sl.len = strlen ((char *) sl.buf); 1163 sl << "updspell "
2452 SockList_AddChar (&sl, flags); 1164 << uint8 (flags)
2453 SockList_AddInt (&sl, spell->count); 1165 << uint32 (spell->count);
2454 if (flags & UPD_SP_MANA) 1166
2455 SockList_AddShort (&sl, spell->last_sp); 1167 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
2456 if (flags & UPD_SP_GRACE) 1168 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
2457 SockList_AddShort (&sl, spell->last_grace); 1169 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
2458 if (flags & UPD_SP_DAMAGE) 1170
2459 SockList_AddShort (&sl, spell->last_eat); 1171 pl->ns->send_packet (sl);
2460 flags = 0;
2461 Send_With_Handling (&pl->socket, &sl);
2462 free (sl.buf);
2463 } 1172 }
2464 } 1173 }
2465 }
2466} 1174}
2467 1175
2468void 1176void
2469esrv_remove_spell (player *pl, object *spell) 1177esrv_remove_spell (player *pl, object *spell)
2470{ 1178{
2471 SockList sl;
2472
2473 if (!pl->socket.monitor_spells) 1179 if (!pl->ns->monitor_spells)
2474 return; 1180 return;
1181
2475 if (!pl || !spell || spell->env != pl->ob) 1182 if (!pl || !spell || spell->env != pl->ob)
2476 { 1183 {
2477 LOG (llevError, "Invalid call to esrv_remove_spell"); 1184 LOG (llevError, "Invalid call to esrv_remove_spell");
2478 return; 1185 return;
2479 } 1186 }
2480 sl.buf = (unsigned char *) malloc (MAXSOCKBUF); 1187
2481 strcpy ((char *) sl.buf, "delspell "); 1188 packet sl ("delspell");
2482 sl.len = strlen ((char *) sl.buf); 1189
2483 SockList_AddInt (&sl, spell->count); 1190 sl << uint32 (spell->count);
2484 Send_With_Handling (&pl->socket, &sl); 1191
2485 free (sl.buf); 1192 pl->ns->send_packet (sl);
2486} 1193}
2487 1194
2488/* appends the spell *spell to the Socklist we will send the data to. */ 1195/* appends the spell *spell to the Socklist we will send the data to. */
2489static void 1196static void
2490append_spell (player *pl, SockList * sl, object *spell) 1197append_spell (player *pl, packet &sl, object *spell)
2491{ 1198{
2492 int len, i, skill = 0; 1199 int skill = 0;
2493 1200
2494 if (!(spell->name)) 1201 if (!(spell->name))
2495 { 1202 {
2496 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1203 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2497 return; 1204 return;
2498 } 1205 }
2499 SockList_AddInt (sl, spell->count); 1206
2500 SockList_AddShort (sl, spell->level);
2501 SockList_AddShort (sl, spell->casting_time);
2502 /* store costs and damage in the object struct, to compare to later */ 1207 /* store costs and damage in the object struct, to compare to later */
2503 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1208 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
2504 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1209 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
2505 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1210 spell->cached_eat = casting_level (pl->ob, spell);
2506 /* send the current values */
2507 SockList_AddShort (sl, spell->last_sp);
2508 SockList_AddShort (sl, spell->last_grace);
2509 SockList_AddShort (sl, spell->last_eat);
2510 1211
2511 /* figure out which skill it uses, if it uses one */ 1212 /* figure out which skill it uses, if it uses one */
2512 if (spell->skill) 1213 if (spell->skill)
2513 { 1214 if (object *tmp = pl->find_skill (spell->skill))
2514 for (i = 1; i < NUM_SKILLS; i++) 1215 skill = CS_STAT_SKILLINFO + SKILL_INDEX (tmp);
2515 if (!strcmp (spell->skill, skill_names[i]))
2516 {
2517 skill = i + CS_STAT_SKILLINFO;
2518 break;
2519 }
2520 }
2521 SockList_AddChar (sl, skill);
2522 1216
2523 SockList_AddInt (sl, spell->path_attuned); 1217 // spells better have a face
2524 SockList_AddInt (sl, (spell->face) ? spell->face->number : 0);
2525
2526 len = strlen (spell->name);
2527 SockList_AddChar (sl, (char) len);
2528 memcpy (sl->buf + sl->len, spell->name, len);
2529 sl->len += len;
2530
2531 if (!spell->msg) 1218 if (!spell->face)
2532 {
2533 SockList_AddShort (sl, 0);
2534 } 1219 {
2535 else 1220 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1221 spell->face = face_find ("burnout.x11", blank_face);
2536 { 1222 }
2537 len = strlen (spell->msg);
2538 SockList_AddShort (sl, len);
2539 memcpy (sl->buf + sl->len, spell->msg, len);
2540 sl->len += len;
2541 }
2542}
2543 1223
1224 pl->ns->send_face (spell->face);
1225
1226 /* send the current values */
1227 sl << uint32 (spell->count)
1228 << uint16 (spell->level)
1229 << uint16 (spell->casting_time)
1230 << uint16 (spell->cached_sp)
1231 << uint16 (spell->cached_grace)
1232 << uint16 (spell->cached_eat)
1233 << uint8 (skill)
1234 << uint32 (spell->path_attuned)
1235 << uint32 (spell->face)
1236 << data8 (spell->name);
1237
1238 if (pl->ns->monitor_spells < 2)
1239 sl << data16 (spell->msg);
1240}
1241
2544/** 1242/**
2545 * This tells the client to add the spell *ob, if *ob is NULL, then add 1243 * This tells the client to add the spell *ob, if *ob is NULL, then add
2546 * all spells in the player's inventory. 1244 * all spells in the player's inventory.
2547 */ 1245 */
2548void 1246void
2549esrv_add_spells (player *pl, object *spell) 1247esrv_add_spells (player *pl, object *spell)
2550{ 1248{
2551 SockList sl;
2552
2553 if (!pl) 1249 if (!pl)
2554 { 1250 {
2555 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player"); 1251 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");
2556 return; 1252 return;
2557 } 1253 }
1254
2558 if (!pl->socket.monitor_spells) 1255 if (!pl->ns->monitor_spells)
2559 return; 1256 return;
2560 sl.buf = (unsigned char *) malloc (MAXSOCKBUF); 1257
2561 strcpy ((char *) sl.buf, "addspell "); 1258 packet sl ("addspell");
2562 sl.len = strlen ((char *) sl.buf); 1259
2563 if (!spell) 1260 if (!spell)
2564 { 1261 {
2565 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1262 for (spell = pl->ob->inv; spell; spell = spell->below)
2566 { 1263 {
2567 /* were we to simply keep appending data here, we could exceed 1264 /* were we to simply keep appending data here, we could exceed
2568 * MAXSOCKBUF if the player has enough spells to add, we know that 1265 * MAXSOCKBUF if the player has enough spells to add, we know that
2569 * append_spells will always append 19 data bytes, plus 4 length 1266 * append_spells will always append 19 data bytes, plus 4 length
2570 * bytes and 3 strings (because that is the spec) so we need to 1267 * bytes and 3 strings (because that is the spec) so we need to
2571 * check that the length of those 3 strings, plus the 23 bytes, 1268 * check that the length of those 3 strings, plus the 23 bytes,
2572 * won't take us over the length limit for the socket, if it does, 1269 * won't take us over the length limit for the socket, if it does,
2573 * we need to send what we already have, and restart packet formation 1270 * we need to send what we already have, and restart packet formation
2574 */ 1271 */
1272 if (spell->type != SPELL)
1273 continue;
1274
2575 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1275 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
2576 * to show add_spell is 26 bytes + 2 strings. However, the overun 1276 * to show add_spell is 26 bytes + 2 strings. However, the overun
2577 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1277 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
2578 * like it will fix this 1278 * like it will fix this
2579 */ 1279 */
2580 if (spell->type != SPELL)
2581 continue;
2582 if (sl.len >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1280 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
2583 { 1281 {
2584 Send_With_Handling (&pl->socket, &sl); 1282 pl->ns->flush_fx ();
2585 strcpy ((char *) sl.buf, "addspell "); 1283 pl->ns->send_packet (sl);
2586 sl.len = strlen ((char *) sl.buf); 1284
1285 sl.reset ();
1286 sl << "addspell ";
2587 } 1287 }
1288
2588 append_spell (pl, &sl, spell); 1289 append_spell (pl, sl, spell);
2589 } 1290 }
2590 } 1291 }
2591 else if (spell->type != SPELL) 1292 else if (spell->type != SPELL)
2592 { 1293 {
2593 LOG (llevError, "Asked to send a non-spell object as a spell"); 1294 LOG (llevError, "Asked to send a non-spell object as a spell");
2594 return; 1295 return;
2595 } 1296 }
2596 else 1297 else
2597 append_spell (pl, &sl, spell); 1298 append_spell (pl, sl, spell);
1299
2598 if (sl.len >= MAXSOCKBUF) 1300 if (sl.length () > MAXSOCKBUF)
2599 {
2600 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1301 cleanup ("buffer overflow in esrv_add_spells!");
2601 fatal (0); 1302
2602 }
2603 /* finally, we can send the packet */ 1303 /* finally, we can send the packet */
2604 Send_With_Handling (&pl->socket, &sl); 1304 pl->ns->flush_fx ();
2605 free (sl.buf); 1305 pl->ns->send_packet (sl);
2606} 1306}
1307
1308//-GPL
1309

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