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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.6 by root, Sat Aug 19 03:54:23 2006 UTC vs.
Revision 1.157 by root, Fri Nov 6 13:05:57 2009 UTC

1/* 1/*
2 * static char *rcsid_init_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * "$Id: request.C,v 1.6 2006/08/19 03:54:23 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5
6/*
7 CrossFire, A Multiplayer game for X-windows
8
9 Copyright (C) 2001 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
11 7 *
12 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
13 it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
14 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
15 (at your option) any later version. 11 * option) any later version.
16 12 *
17 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details. 16 * GNU General Public License for more details.
21 17 *
22 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
23 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
25 21 *
26 The author can be reached via e-mail to crossfire-devel@real-time.com 22 * The authors can be reached via e-mail to <support@deliantra.net>
27*/ 23 */
24
25//+GPL
28 26
29/** 27/**
30 * \file 28 * \file
31 * Client handling. 29 * Client handling.
32 * 30 *
… …
40 * have the prototype of (char *data, int datalen, int client_num). This 38 * have the prototype of (char *data, int datalen, int client_num). This
41 * way, we can use one dispatch table. 39 * way, we can use one dispatch table.
42 * 40 *
43 * esrv_map_new starts updating the map 41 * esrv_map_new starts updating the map
44 * 42 *
45 * esrv_map_setbelow allows filling in all of the faces for the map.
46 * if a face has not already been sent to the client, it is sent now.
47 *
48 * mapcellchanged, compactlayer, compactstack, perform the map compressing
49 * operations
50 *
51 * esrv_map_doneredraw finishes the map update, and ships across the
52 * map updates.
53 *
54 * esrv_map_scroll tells the client to scroll the map, and does similarily
55 * for the locally cached copy.
56 */ 43 */
57 44
58#include <global.h> 45#include <global.h>
59#include <sproto.h> 46#include <sproto.h>
60 47
61#include <newclient.h>
62#include <newserver.h>
63#include <living.h> 48#include <living.h>
64#include <commands.h> 49#include <commands.h>
65 50
66/* 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,
67 * it should work here. 52 * it should work here.
68 */ 53 */
69#ifndef WIN32 /* ---win32 exclude unix headers */
70#include <sys/types.h> 54#include <sys/types.h>
71#include <sys/time.h> 55#include <sys/time.h>
72#include <sys/socket.h> 56#include <sys/socket.h>
73#include <netinet/in.h> 57#include <netinet/in.h>
74#include <netdb.h> 58#include <netdb.h>
75#endif /* win32 */
76 59
77#ifdef HAVE_UNISTD_H
78#include <unistd.h> 60#include <unistd.h>
79#endif
80
81#ifdef HAVE_SYS_TIME_H
82#include <sys/time.h> 61#include <sys/time.h>
83#endif
84 62
85#include "sounds.h" 63#include "sounds.h"
86 64
87/** 65/**
88 * This table translates the attack numbers as used within the 66 * This table translates the attack numbers as used within the
89 * 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
90 * 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
91 * client. 69 * client.
92 */ 70 */
93short atnr_cs_stat[NROFATTACKS] = {CS_STAT_RES_PHYS, 71static short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS,
94 CS_STAT_RES_MAG,CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 72 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC,
95 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 73 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID,
96 CS_STAT_RES_DRAIN, -1 /* weaponmagic */, 74 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ ,
97 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 75 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON,
98 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 76 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD,
99 CS_STAT_RES_FEAR, -1 /* Cancellation */, 77 CS_STAT_RES_FEAR, -1 /* Cancellation */ ,
100 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH, 78 CS_STAT_RES_DEPLETE, CS_STAT_RES_DEATH,
101 -1 /* Chaos */, -1 /* Counterspell */, 79 -1 /* Chaos */ , -1 /* Counterspell */ ,
102 -1 /* Godpower */, CS_STAT_RES_HOLYWORD, 80 -1 /* Godpower */ , CS_STAT_RES_HOLYWORD,
103 CS_STAT_RES_BLIND, 81 CS_STAT_RES_BLIND,
104 -1, /* Internal */ 82 -1, /* Internal */
105 -1, /* life stealing */ 83 -1, /* life stealing */
106 -1 /* Disease - not fully done yet */ 84 -1 /* Disease - not fully done yet */
107}; 85};
108 86
109static void 87static void
110socket_map_scroll (NewSocket *ns, int dx, int dy) 88socket_map_scroll (client *ns, int dx, int dy)
111{ 89{
112 struct Map newmap; 90 struct Map newmap;
113 int x,y, mx, my; 91 int x, y, mx, my;
114 92
115 {
116 char buf[MAXSOCKBUF];
117
118 sprintf(buf,"map_scroll %d %d", dx, dy); 93 ns->send_packet_printf ("map_scroll %d %d", dx, dy);
119 Write_String_To_Socket(ns, buf, strlen (buf));
120 }
121 94
122 /* If we are using the Map1aCmd, we may in fact send 95 /* If we are using the Map1aCmd, we may in fact send
123 * head information that is outside the viewable map. 96 * head information that is outside the viewable map.
124 * So set the mx,my to the max value we want to 97 * So set the mx,my to the max value we want to
125 * look for. Removed code to do so - it caused extra 98 * look for. Removed code to do so - it caused extra
126 * complexities for the client, and probably doesn't make 99 * complexities for the client, and probably doesn't make
127 * that much difference in bandwidth. 100 * that much difference in bandwidth.
128 */ 101 */
129 mx = ns->mapx; 102 mx = ns->mapx;
130 my = ns->mapy; 103 my = ns->mapy;
131 104
132 if (ns->mapmode == Map1aCmd) {
133 mx += MAX_HEAD_OFFSET;
134 my += MAX_HEAD_OFFSET;
135 }
136
137 /* the x and y here are coordinates for the new map, i.e. if we moved 105 /* the x and y here are coordinates for the new map, i.e. if we moved
138 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 106 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
139 * if the destination x or y coordinate is outside the viewable 107 * if the destination x or y coordinate is outside the viewable
140 * area, we clear the values - otherwise, the old values 108 * area, we clear the values - otherwise, the old values
141 * are preserved, and the check_head thinks it needs to clear them. 109 * are preserved, and the check_head thinks it needs to clear them.
142 */ 110 */
143 for(x=0; x<mx; x++) { 111 for (x = 0; x < mx; x++)
144 for(y=0; y<my; y++) { 112 for (y = 0; y < my; y++)
145 if(x >= ns->mapx || y >= ns->mapy) { 113 if (x >= ns->mapx || y >= ns->mapy)
146 /* clear cells outside the viewable area */ 114 /* clear cells outside the viewable area */
147 memset(&newmap.cells[x][y], 0, sizeof(struct MapCell)); 115 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
148 }
149 else if ((x+dx) < 0 || (x+dx) >= ns->mapx || (y+dy) < 0 || (y + dy) >= ns->mapy) { 116 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
150 /* clear newly visible tiles within the viewable area */ 117 /* clear newly visible tiles within the viewable area */
151 memset(&(newmap.cells[x][y]), 0, sizeof(struct MapCell)); 118 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
152 }
153 else { 119 else
154 memcpy(&(newmap.cells[x][y]), 120 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
155 &(ns->lastmap.cells[x+dx][y+dy]),sizeof(struct MapCell));
156 }
157 }
158 }
159 121
160 memcpy(&(ns->lastmap), &newmap,sizeof(struct Map)); 122 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
161 123
162 /* Make sure that the next "map1" command will be sent (even if it is 124 /* Make sure that the next "map1" command will be sent (even if it is
163 * empty). 125 * empty).
164 */ 126 */
165 ns->sent_scroll = 1; 127 ns->sent_scroll = 1;
166} 128}
167 129
130static void
131clear_map (player *pl)
132{
133 pl->ns->mapinfo_queue_clear ();
134
135 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
136
137 pl->ns->force_newmap = false;
138
139 if (pl->ns->newmapcmd == 1)
140 pl->ns->send_packet ("newmap");
141
142 pl->ns->floorbox_reset ();
143}
144
145static void
146send_map_info (player *pl)
147{
148 client &socket = *pl->ns;
149 object *ob = pl->viewpoint;
150
151 if (socket.mapinfocmd)
152 {
153 if (ob->map && ob->map->path[0])
154 {
155 int flags = 0;
156
157 if (ob->map->tile_path[0]) flags |= 1;
158 if (ob->map->tile_path[1]) flags |= 2;
159 if (ob->map->tile_path[2]) flags |= 4;
160 if (ob->map->tile_path[3]) flags |= 8;
161
162 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
163 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
164 ob->map->width, ob->map->height, &ob->map->path);
165 }
166 else
167 socket.send_packet ("mapinfo current");
168 }
169}
170
168/** check for map change and send new map data */ 171/** check for map/region change and send new map data */
169static void 172static void
170check_map_change (player *pl) 173check_map_change (player *pl)
171{ 174{
172 NewSocket &socket = pl->socket; 175 client &socket = *pl->ns;
173 object *ob = pl->ob; 176 object *ob = pl->viewpoint;
174 char buf[MAX_BUF]; /* eauugggh */
175 177
176 if (socket.current_map != ob->map) 178 region *reg = ob->region ();
179 if (socket.current_region != reg)
180 {
181 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
182 socket.current_region = reg;
177 { 183 }
184
185 // first try to aovid a full newmap on tiled map scrolls
186 if (socket.current_map != ob->map && !socket.force_newmap)
187 {
188 rv_vector rv;
189
190 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
191
192 // manhattan distance is very handy here
193 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
194 {
195 socket.current_map = ob->map;
196 socket.current_x = ob->x;
197 socket.current_y = ob->y;
198
199 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
200 socket.floorbox_reset ();
201 send_map_info (pl);
202 }
203 }
204
205 if (socket.current_map != ob->map || socket.force_newmap)
206 {
207 clear_map (pl);
178 socket.current_map = ob->map; 208 socket.current_map = ob->map;
179 memset (&socket.lastmap, 0, sizeof(socket.lastmap)); 209 send_map_info (pl);
210 }
211 else if (socket.current_x != ob->x || socket.current_y != ob->y)
212 {
213 int dx = ob->x - socket.current_x;
214 int dy = ob->y - socket.current_y;
180 215
181 if (socket.newmapcmd == 1) 216 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
182 Write_String_To_Socket (&socket, "newmap", 6); 217 socket.floorbox_reset ();
218 }
183 219
184 socket.update_look = 1; 220 socket.current_x = ob->x;
185 socket.look_position =0; 221 socket.current_y = ob->y;
222}
186 223
187 if (socket.mapinfocmd) 224/**
225 * This sends the skill number to name mapping. We ignore
226 * the params - we always send the same info no matter what.
227 */
228void
229send_skill_info (client *ns, char *params)
230{
231 packet sl;
232 sl << "replyinfo skill_info\n";
233
234 for (int i = 1; i < NUM_SKILLS; i++)
235 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
236
237 if (sl.length () > MAXSOCKBUF)
238 {
239 LOG (llevError, "Buffer overflow in send_skill_info!\n");
240 fatal (0);
241 }
242
243 ns->send_packet (sl);
244}
245
246/**
247 * This sends the spell path to name mapping. We ignore
248 * the params - we always send the same info no matter what.
249 */
250void
251send_spell_paths (client * ns, char *params)
252{
253 packet sl;
254
255 sl << "replyinfo spell_paths\n";
256
257 for (int i = 0; i < NRSPELLPATHS; i++)
258 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
259
260 if (sl.length () > MAXSOCKBUF)
261 {
262 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
263 fatal (0);
264 }
265
266 ns->send_packet (sl);
267}
268
269/**
270 * RequestInfo is sort of a meta command. There is some specific
271 * request of information, but we call other functions to provide
272 * that information.
273 */
274void
275RequestInfo (char *buf, int len, client *ns)
276{
277 char *params;
278
279 /* find the first space, make it null, and update the
280 * params pointer.
281 */
282 for (params = buf; *params; params++)
283 if (*params == ' ')
284 {
285 *params++ = 0;
286 break;
287 }
288
289 if (!strcmp (buf, "skill_info"))
290 send_skill_info (ns, params);
291 else if (!strcmp (buf, "spell_paths"))
292 send_spell_paths (ns, params);
293 else
294 {
295 // undo tokenisation above and send replyinfo with the request unchanged
296 if (*params)
297 *--params = ' ';
298
299 ns->send_packet_printf ("replyinfo %s", buf);
300 }
301}
302
303void
304ExtCmd (char *buf, int len, player *pl)
305{
306 INVOKE_PLAYER (EXTCMD, pl, ARG_DATA (buf, len));
307}
308
309void
310ExtiCmd (char *buf, int len, client *ns)
311{
312 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
313}
314
315//-GPL
316
317void
318client::mapinfo_queue_clear ()
319{
320 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
321 free (*i);
322
323 mapinfo_queue.clear ();
324}
325
326bool
327client::mapinfo_try (char *buf)
328{
329 char *token = buf;
330 buf += strlen (buf) + 9;
331
332 // initial map and its origin
333 maptile *map = pl->viewpoint->map;
334 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
335 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
336 int max_distance = 8; // limit maximum path length to something generous
337
338 while (*buf && map && max_distance)
339 {
340 int dir = *buf++ - '1';
341
342 if (dir >= 0 && dir <= 3)
188 { 343 {
189 if (ob->map && ob->map->path [0]) 344 if (!map->tile_path [dir])
345 map = 0;
346 else if (map->tile_available (dir, false))
190 { 347 {
191 int flags = 0; 348 maptile *neigh = map->tile_map [dir];
192 349
193 if (ob->map->tile_path [0]) flags |= 1; 350 switch (dir)
194 if (ob->map->tile_path [1]) flags |= 2; 351 {
195 if (ob->map->tile_path [2]) flags |= 4; 352 case 0: mapy -= neigh->height; break;
196 if (ob->map->tile_path [3]) flags |= 8; 353 case 2: mapy += map ->height; break;
354 case 3: mapx -= neigh->width ; break;
355 case 1: mapx += map ->width ; break;
356 }
197 357
198 snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", 358 map = neigh;
199 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, 359 --max_distance;
200 ob->map->width, ob->map->height, ob->map->path);
201 } 360 }
202 else 361 else
203 snprintf (buf, MAX_BUF, "mapinfo current"); 362 return 0;
204
205 Write_String_To_Socket (&socket, buf, strlen (buf));
206 } 363 }
364 else
365 max_distance = 0;
366 }
367
368 if (!max_distance)
369 send_packet_printf ("mapinfo %s error", token);
370 else if (!map || !map->path)
371 send_packet_printf ("mapinfo %s nomap", token);
372 else
207 } 373 {
208 else if (socket.current_x != ob->x || socket.current_y != ob->y) 374 int flags = 0;
375
376 if (map->tile_path[0]) flags |= 1;
377 if (map->tile_path[1]) flags |= 2;
378 if (map->tile_path[2]) flags |= 4;
379 if (map->tile_path[3]) flags |= 8;
380
381 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
382 }
383
384 return 1;
385}
386
387void
388client::mapinfo_queue_run ()
389{
390 if (mapinfo_queue.empty () || !pl)
391 return;
392
393 for (int i = 0; i < mapinfo_queue.size (); ++i)
394 if (mapinfo_try (mapinfo_queue [i]))
209 { 395 {
210 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 396 free (mapinfo_queue [i]);
211 socket.update_look = 1; 397 mapinfo_queue.erase (i);
212 socket.look_position = 0;
213 } 398 }
214 399 else
215 socket.current_x = ob->x; 400 ++i;
216 socket.current_y = ob->y;
217} 401}
218 402
219void ExtCmd (char *buf, int len, player *pl) 403void
220{
221 execute_global_event (EVENT_EXTCMD, pl, buf, len);
222}
223
224void MapInfoCmd (char *buf, int len, player *pl) 404MapInfoCmd (char *buf, int len, player *pl)
225{ 405{
226 // <mapinfo tag spatial tile-path 406 // <mapinfo tag spatial tile-path
227 // >mapinfo tag spatial flags x y w h hash 407 // >mapinfo tag spatial flags x y w h hash
228
229 char bigbuf[MAX_BUF], *cp, *token;
230 408
231 token = buf; 409 char *token = buf;
232 // copy token 410
233 if (!(buf = strchr (buf, ' '))) 411 if (!(buf = strchr (buf, ' ')))
234 return; 412 return;
235 413
236 *buf++ = 0;
237
238 if (!strncmp (buf, "spatial ", 8)) 414 if (!strncmp (buf, " spatial ", 9))
239 { 415 {
240 buf += 8; 416 char *copy = strdup (token);
417 copy [buf - token] = 0;
241 418
242 // initial map and its origin 419#if 0
243 mapstruct *map = pl->ob->map; 420 // this makes only sense when we flush the buffer immediately
244 sint16 dx, dy; 421 if (pl->ns->mapinfo_try (copy))
245 int mapx = pl->socket.mapx / 2 - pl->ob->x; 422 free (copy);
246 int mapy = pl->socket.mapy / 2 - pl->ob->y;
247 int max_distance = 8; // limit maximum path length to something generous
248
249 while (*buf && map && max_distance)
250 {
251 int dir = *buf++;
252
253 switch (dir)
254 {
255 case '1':
256 dx = 0; dy = -1; map = get_map_from_coord (map, &dx, &dy);
257 map && (mapy -= map->height);
258 break;
259 case '2':
260 mapx += map->width;
261 dx = map->width; dy = 0; map = get_map_from_coord (map, &dx, &dy);
262 break;
263 case '3':
264 mapy += map->height;
265 dx = 0; dy = map->height; map = get_map_from_coord (map, &dx, &dy);
266 break;
267 case '4':
268 dx = -1; dy = 0; map = get_map_from_coord (map, &dx, &dy);
269 map && (mapx -= map->width);
270 break;
271 }
272
273 --max_distance;
274 }
275
276 if (!max_distance)
277 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
278 else if (map && map->path [0])
279 {
280 int flags = 0;
281
282 if (map->tile_path [0]) flags |= 1;
283 if (map->tile_path [1]) flags |= 2;
284 if (map->tile_path [2]) flags |= 4;
285 if (map->tile_path [3]) flags |= 8;
286
287 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s",
288 token, flags, mapx, mapy,
289 map->width, map->height, map->path);
290 }
291 else 423 else
292 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 424#endif
425 pl->ns->mapinfo_queue.push_back (copy);
293 } 426 }
294 else 427 else
295 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 428 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
296
297 Write_String_To_Socket (&pl->socket, bigbuf, strlen (bigbuf));
298} 429}
299 430
300/** This is the Setup cmd - easy first implementation */ 431/** This is the Setup cmd */
432void
301void SetUp(char *buf, int len, NewSocket *ns) 433SetUp (char *buf, int len, client * ns)
302{ 434{
303 int s, slen; 435 INVOKE_CLIENT (SETUP, ns, ARG_DATA (buf, len));
304 char *cmd, *param, cmdback[HUGE_BUF];
305
306 /* run through the cmds of setup
307 * syntax is setup <cmdname1> <parameter> <cmdname2> <parameter> ...
308 *
309 * we send the status of the cmd back, or a FALSE is the cmd is the server unknown
310 * The client then must sort this out
311 */
312
313 LOG(llevInfo,"Get SetupCmd:: %s\n", buf);
314 strcpy(cmdback,"setup");
315 for(s=0;s<len; ) {
316
317 cmd = &buf[s];
318
319 /* find the next space, and put a null there */
320 for(;buf[s] && buf[s] != ' ';s++) ;
321 buf[s++]=0;
322 while (buf[s] == ' ') s++;
323
324 if(s>=len)
325 break;
326
327 param = &buf[s];
328
329 for(;buf[s] && buf[s] != ' ';s++) ;
330 buf[s++]=0;
331 while (buf[s] == ' ') s++;
332
333 slen = strlen(cmdback);
334 safe_strcat(cmdback, " ", &slen, HUGE_BUF);
335 safe_strcat(cmdback, cmd, &slen, HUGE_BUF);
336 safe_strcat(cmdback, " ", &slen, HUGE_BUF);
337
338 if (!strcmp(cmd,"sound")) {
339 ns->sound = atoi(param);
340 safe_strcat(cmdback, param, &slen, HUGE_BUF);
341 }
342 else if (!strcmp(cmd,"exp64")) {
343 ns->exp64 = atoi(param);
344 safe_strcat(cmdback, param, &slen, HUGE_BUF);
345 } else if (!strcmp(cmd, "spellmon")) {
346 ns->monitor_spells = atoi(param);
347 safe_strcat(cmdback, param, &slen, HUGE_BUF);
348 } else if (!strcmp(cmd,"darkness")) {
349 ns->darkness = atoi(param);
350 safe_strcat(cmdback, param, &slen, HUGE_BUF);
351 } else if (!strcmp(cmd,"map1cmd")) {
352 if (atoi(param)) ns->mapmode = Map1Cmd;
353 /* if beyond this size, need to use map1cmd no matter what */
354 if (ns->mapx>11 || ns->mapy>11) ns->mapmode = Map1Cmd;
355 safe_strcat(cmdback, ns->mapmode == Map1Cmd?"1":"0", &slen, HUGE_BUF);
356 } else if (!strcmp(cmd,"map1acmd")) {
357 if (atoi(param)) ns->mapmode = Map1aCmd;
358 /* if beyond this size, need to use map1acmd no matter what */
359 if (ns->mapx>11 || ns->mapy>11) ns->mapmode = Map1aCmd;
360 safe_strcat(cmdback, ns->mapmode == Map1aCmd?"1":"0", &slen, HUGE_BUF);
361 } else if (!strcmp(cmd,"newmapcmd")) {
362 ns->newmapcmd= atoi(param);
363 safe_strcat(cmdback, param, &slen, HUGE_BUF);
364// } else if (!strcmp(cmd,"plugincmd")) {
365// ns->plugincmd = atoi(param);
366// safe_strcat(cmdback, param, &slen, HUGE_BUF);
367 } else if (!strcmp(cmd,"mapinfocmd")) {
368 ns->mapinfocmd = atoi(param);
369 safe_strcat(cmdback, "1", &slen, HUGE_BUF);
370 } else if (!strcmp(cmd,"extcmd")) {
371 ns->extcmd = atoi(param);
372 safe_strcat(cmdback, "1", &slen, HUGE_BUF);
373 } else if (!strcmp(cmd,"extmap")) {
374 ns->extmap = atoi(param);
375 safe_strcat(cmdback, "1", &slen, HUGE_BUF);
376 } else if (!strcmp(cmd,"facecache")) {
377 ns->facecache = atoi(param);
378 safe_strcat(cmdback, param, &slen, HUGE_BUF);
379 } else if (!strcmp(cmd,"faceset")) {
380 char tmpbuf[20];
381 int q = atoi(param);
382
383 if (is_valid_faceset(q))
384 ns->faceset=q;
385 sprintf(tmpbuf,"%d", ns->faceset);
386 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
387 /* if the client is using faceset, it knows about image2 command */
388 ns->image2=1;
389 } else if (!strcmp(cmd,"itemcmd")) {
390 /* Version of the item protocol command to use. Currently,
391 * only supported versions are 1 and 2. Using a numeric
392 * value will make it very easy to extend this in the future.
393 */
394 char tmpbuf[20];
395 int q = atoi(param);
396 if (q<1 || q>2) {
397 strcpy(tmpbuf,"FALSE");
398 } else {
399 ns->itemcmd = q;
400 sprintf(tmpbuf,"%d", ns->itemcmd);
401 }
402 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
403 } else if (!strcmp(cmd,"mapsize")) {
404 int x, y=0;
405 char tmpbuf[MAX_BUF], *cp;
406
407 x = atoi(param);
408 for (cp = param; *cp!=0; cp++)
409 if (*cp == 'x' || *cp == 'X') {
410 y = atoi(cp+1);
411 break;
412 }
413 if (x < 9 || y < 9 || x>MAP_CLIENT_X || y > MAP_CLIENT_Y) {
414 sprintf(tmpbuf," %dx%d", MAP_CLIENT_X, MAP_CLIENT_Y);
415 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
416 } else {
417 ns->mapx = x;
418 ns->mapy = y;
419 /* better to send back what we are really using and not the
420 * param as given to us in case it gets parsed differently.
421 */
422 sprintf(tmpbuf,"%dx%d", x,y);
423 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
424 /* If beyond this size and still using orig map command, need to
425 * go to map1cmd.
426 */
427 if ((x>11 || y>11) && ns->mapmode == Map0Cmd) ns->mapmode = Map1Cmd;
428 }
429 } else if (!strcmp(cmd,"extendedMapInfos")) {
430 /* Added by tchize
431 * prepare to use the mapextended command
432 */
433 char tmpbuf[20];
434 ns->ext_mapinfos = (atoi(param));
435 sprintf(tmpbuf,"%d", ns->ext_mapinfos);
436 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
437 } else if (!strcmp(cmd,"extendedTextInfos")) {
438 /* Added by tchize
439 * prepare to use the extended text commands
440 * Client toggle this to non zero to get exttext
441 */
442 char tmpbuf[20];
443
444 ns->has_readable_type = (atoi(param));
445 sprintf(tmpbuf,"%d", ns->has_readable_type);
446 safe_strcat(cmdback, tmpbuf, &slen, HUGE_BUF);
447 } else {
448 /* Didn't get a setup command we understood -
449 * report a failure to the client.
450 */
451 safe_strcat(cmdback, "FALSE", &slen, HUGE_BUF);
452 }
453 } /* for processing all the setup commands */
454 LOG(llevInfo,"SendBack SetupCmd:: %s\n", cmdback);
455 Write_String_To_Socket(ns, cmdback, strlen(cmdback));
456} 436}
457 437
458/** 438/**
459 * The client has requested to be added to the game. 439 * The client has requested to be added to the game.
460 * This is what takes care of it. We tell the client how things worked out. 440 * This is what takes care of it. We tell the client how things worked out.
461 * I am not sure if this file is the best place for this function. however, 441 * I am not sure if this file is the best place for this function. however,
462 * it either has to be here or init_sockets needs to be exported. 442 * it either has to be here or init_sockets needs to be exported.
463 */ 443 */
444void
464void AddMeCmd(char *buf, int len, NewSocket *ns) 445AddMeCmd (char *buf, int len, client *ns)
465{ 446{
466 Settings oldsettings; 447 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
467 oldsettings=settings;
468 if (ns->status != Ns_Add || add_player(ns)) {
469 Write_String_To_Socket(ns, "addme_failed",12);
470 } else {
471 /* Basically, the add_player copies the socket structure into
472 * the player structure, so this one (which is from init_sockets)
473 * is not needed anymore. The write below should still work, as the
474 * stuff in ns is still relevant.
475 */
476 Write_String_To_Socket(ns, "addme_success",13);
477 socket_info.nconns--;
478 ns->status = Ns_Avail;
479 }
480 settings=oldsettings;
481} 448}
482 449
483/** Reply to ExtendedInfos command */ 450//+GPL
484void ToggleExtendedInfos (char *buf, int len, NewSocket *ns){ 451
485 char cmdback[MAX_BUF];
486 char command[50];
487 int info,nextinfo;
488 cmdback[0]='\0';
489 nextinfo=0;
490 while (1){
491 /* 1. Extract an info*/
492 info=nextinfo;
493 while ( (info<len) && (buf[info]==' ') ) info++;
494 if (info>=len)
495 break;
496 nextinfo=info+1;
497 while ( (nextinfo<len) && (buf[nextinfo]!=' ') )
498 nextinfo++;
499 if (nextinfo-info>=49) /*Erroneous info asked*/
500 continue;
501 strncpy (command,&(buf[info]),nextinfo-info);
502 command[nextinfo-info]='\0';
503 /* 2. Interpret info*/
504 if (!strcmp("smooth",command)){
505 /* Toggle smoothing*/
506 ns->EMI_smooth=!ns->EMI_smooth;
507 }else{
508 /*bad value*/
509 }
510 /*3. Next info*/
511 }
512 strcpy (cmdback,"ExtendedInfoSet");
513 if (ns->EMI_smooth){
514 strcat (cmdback," ");
515 strcat (cmdback,"smoothing");
516 }
517 Write_String_To_Socket(ns, cmdback,strlen(cmdback));
518}
519/* 452/*
520#define MSG_TYPE_BOOK 1 453#define MSG_TYPE_BOOK 1
521#define MSG_TYPE_CARD 2 454#define MSG_TYPE_CARD 2
522#define MSG_TYPE_PAPER 3 455#define MSG_TYPE_PAPER 3
523#define MSG_TYPE_SIGN 4 456#define MSG_TYPE_SIGN 4
524#define MSG_TYPE_MONUMENT 5 457#define MSG_TYPE_MONUMENT 5
525#define MSG_TYPE_SCRIPTED_DIALOG 6*/ 458#define MSG_TYPE_SCRIPTED_DIALOG 6*/
459
526/** Reply to ExtendedInfos command */ 460/** Reply to ExtendedInfos command */
461void
527void ToggleExtendedText (char *buf, int len, NewSocket *ns){ 462ToggleExtendedText (char *buf, int len, client * ns)
463{
528 char cmdback[MAX_BUF]; 464 char cmdback[MAX_BUF];
529 char temp[10]; 465 char temp[10];
530 char command[50]; 466 char command[50];
531 int info,nextinfo,i,flag; 467 int info, nextinfo, i, flag;
468
532 cmdback[0]='\0'; 469 cmdback[0] = '\0';
470
533 nextinfo=0; 471 nextinfo = 0;
534 while (1){ 472 while (1)
473 {
535 /* 1. Extract an info*/ 474 /* 1. Extract an info */
536 info=nextinfo; 475 info = nextinfo;
476
537 while ( (info<len) && (buf[info]==' ') ) info++; 477 while ((info < len) && (buf [info] == ' '))
478 info++;
479
538 if (info>=len) 480 if (info >= len)
539 break; 481 break;
482
540 nextinfo=info+1; 483 nextinfo = info + 1;
484
541 while ( (nextinfo<len) && (buf[nextinfo]!=' ') ) 485 while ((nextinfo < len) && (buf [nextinfo] != ' '))
542 nextinfo++; 486 nextinfo++;
487
543 if (nextinfo-info>=49) /*Erroneous info asked*/ 488 if (nextinfo - info >= 49) /*Erroneous info asked */
544 continue; 489 continue;
490
545 strncpy (command,&(buf[info]),nextinfo-info); 491 memcpy (command, buf + info, nextinfo - info);
546 command[nextinfo-info]='\0'; 492 command [nextinfo - info] = 0;
493
547 /* 2. Interpret info*/ 494 /* 2. Interpret info */
548 i = sscanf(command,"%d",&flag); 495 i = sscanf (command, "%d", &flag);
496
549 if ( (i==1) && (flag>0) && (flag<=MSG_TYPE_LAST)) 497 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
550 ns->supported_readables|=(1<<flag); 498 ns->supported_readables |= (1 << flag);
551 /*3. Next info*/ 499 /*3. Next info */
552 } 500 }
501
553 /* Send resulting state */ 502 /* Send resulting state */
554 strcpy (cmdback,"ExtendedTextSet"); 503 strcpy (cmdback, "ExtendedTextSet");
504
555 for (i=0;i<=MSG_TYPE_LAST;i++) 505 for (i = 0; i <= MSG_TYPE_LAST; i++)
556 if (ns->supported_readables &(1<<i)){ 506 if (ns->supported_readables & (1 << i))
507 {
557 strcat (cmdback," "); 508 strcat (cmdback, " ");
558 snprintf(temp,sizeof(temp),"%d",i); 509 snprintf (temp, sizeof (temp), "%d", i);
559 strcat (cmdback,temp); 510 strcat (cmdback, temp);
560 } 511 }
561 Write_String_To_Socket(ns, cmdback,strlen(cmdback));
562}
563 512
564/** 513 ns->send_packet (cmdback);
565 * A lot like the old AskSmooth (in fact, now called by AskSmooth).
566 * Basically, it makes no sense to wait for the client to request a
567 * a piece of data from us that we know the client wants. So
568 * if we know the client wants it, might as well push it to the
569 * client.
570 */
571static void SendSmooth(NewSocket *ns, uint16 face) {
572 uint16 smoothface;
573 unsigned char reply[MAX_BUF];
574 SockList sl;
575
576 /* If we can't find a face, return and set it so we won't try to send this
577 * again.
578 */
579 if ((!FindSmooth (face, &smoothface)) &&
580 (!FindSmooth ( smooth_face->number, &smoothface))) {
581
582 LOG(llevError,"could not findsmooth for %d. Neither default (%s)\n",face,smooth_face->name);
583 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
584 return;
585 }
586
587 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
588 esrv_send_face(ns, smoothface, 0);
589
590 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
591
592 sl.buf=reply;
593 strcpy((char*)sl.buf,"smooth ");
594 sl.len=strlen((char*)sl.buf);
595 SockList_AddShort(&sl, face);
596 SockList_AddShort(&sl, smoothface);
597 Send_With_Handling(ns, &sl);
598} 514}
599
600 /**
601 * Tells client the picture it has to use
602 * to smooth a picture number given as argument.
603 */
604void AskSmooth (char *buf, int len, NewSocket *ns){
605 uint16 facenbr;
606
607 facenbr=atoi (buf);
608 SendSmooth(ns, facenbr);
609}
610
611
612
613
614 515
615/** 516/**
616 * This handles the general commands from the client (ie, north, fire, cast, 517 * This handles the general commands from the client (ie, north, fire, cast,
617 * etc.) 518 * etc.)
618 */ 519 */
520void
619void PlayerCmd(char *buf, int len, player *pl) 521PlayerCmd (char *buf, int len, player *pl)
620{ 522{
621
622 /* The following should never happen with a proper or honest client.
623 * Therefore, the error message doesn't have to be too clear - if
624 * someone is playing with a hacked/non working client, this gives them
625 * an idea of the problem, but they deserve what they get
626 */
627 if (pl->state!=ST_PLAYING) {
628 new_draw_info_format(NDI_UNIQUE, 0,pl->ob,
629 "You can not issue commands - state is not ST_PLAYING (%s)", buf);
630 return;
631 }
632 /* Check if there is a count. In theory, a zero count could also be 523 /* Check if there is a count. In theory, a zero count could also be
633 * sent, so check for that also. 524 * sent, so check for that also.
634 */ 525 */
635 if (atoi(buf) || buf[0]=='0') { 526 if (atoi (buf) || buf[0] == '0')
527 {
636 pl->count=atoi((char*)buf); 528 pl->count = atoi ((char *) buf);
529
637 buf=strchr(buf,' '); /* advance beyond the numbers */ 530 buf = strchr (buf, ' '); /* advance beyond the numbers */
638 if (!buf) { 531 if (!buf)
639#ifdef ESRV_DEBUG
640 LOG(llevDebug,"PlayerCmd: Got count but no command.\n");
641#endif
642 return; 532 return;
643 } 533
644 buf++; 534 buf++;
645 } 535 }
646 /* This should not happen anymore. */ 536
647 if (pl->ob->speed_left<-1.0) {
648 LOG(llevError,"Player has negative time - shouldn't do command.\n");
649 }
650 /* In c_new.c */
651 execute_newserver_command(pl->ob, (char*)buf); 537 execute_newserver_command (pl->ob, (char *)buf);
538
652 /* Perhaps something better should be done with a left over count. 539 /* Perhaps something better should be done with a left over count.
653 * Cleaning up the input should probably be done first - all actions 540 * Cleaning up the input should probably be done first - all actions
654 * for the command that issued the count should be done before any other 541 * for the command that issued the count should be done before any other
655 * commands. 542 * commands.
656 */ 543 */
657
658 pl->count=0; 544 pl->count = 0;
659
660} 545}
661
662 546
663/** 547/**
664 * This handles the general commands from the client (ie, north, fire, cast, 548 * This handles the general commands from the client (ie, north, fire, cast,
665 * etc.). It is a lot like PlayerCmd above, but is called with the 549 * etc.). It is a lot like PlayerCmd above, but is called with the
666 * 'ncom' method which gives more information back to the client so it 550 * 'ncom' method which gives more information back to the client so it
667 * can throttle. 551 * can throttle.
668 */ 552 */
553void
669void NewPlayerCmd(uint8 *buf, int len, player *pl) 554NewPlayerCmd (char *buf, int len, player *pl)
670{ 555{
671 int time,repeat; 556 if (len <= 6)
672 short packet;
673 unsigned char command[MAX_BUF];
674 SockList sl;
675
676 if (len < 7) {
677 LOG(llevDebug,"Corrupt ncom command <%s> not long enough - discarding\n", buf);
678 return;
679 } 557 {
558 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
559 return;
560 }
680 561
681 packet = GetShort_String(buf); 562 uint16 cmdid = net_uint16 ((uint8 *)buf);
682 repeat = GetInt_String(buf+2); 563 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
564
683 /* -1 is special - no repeat, but don't update */ 565 /* -1 is special - no repeat, but don't update */
684 if (repeat!=-1) { 566 if (repeat != -1)
685 pl->count=repeat; 567 pl->count = repeat;
686 }
687 if ((len-4) >= MAX_BUF) len=MAX_BUF-5;
688 568
689 strncpy((char*)command, (char*)buf+6, len-4); 569 buf += 6; //len -= 6;
690 command[len-4]='\0';
691 570
692 /* The following should never happen with a proper or honest client.
693 * Therefore, the error message doesn't have to be too clear - if
694 * someone is playing with a hacked/non working client, this gives them
695 * an idea of the problem, but they deserve what they get
696 */
697 if (pl->state!=ST_PLAYING) {
698 new_draw_info_format(NDI_UNIQUE, 0,pl->ob,
699 "You can not issue commands - state is not ST_PLAYING (%s)", buf);
700 return;
701 }
702
703 /* This should not happen anymore. */
704 if (pl->ob->speed_left<-1.0) {
705 LOG(llevError,"Player has negative time - shouldn't do command.\n");
706 }
707 /* In c_new.c */
708 execute_newserver_command(pl->ob, (char*)command); 571 execute_newserver_command (pl->ob, buf);
572
709 /* Perhaps something better should be done with a left over count. 573 /* Perhaps something better should be done with a left over count.
710 * Cleaning up the input should probably be done first - all actions 574 * Cleaning up the input should probably be done first - all actions
711 * for the command that issued the count should be done before any other 575 * for the command that issued the count should be done before any other
712 * commands. 576 * commands.
713 */ 577 */
714 pl->count=0; 578 pl->count = 0;
715 579
580 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
581 int time = fabs (pl->ob->speed) < 0.001
582 ? time = MAX_TIME * 100
583 : time = (int) (MAX_TIME / fabs (pl->ob->speed));
584
716 /* Send confirmation of command execution now */ 585 /* Send confirmation of command execution now */
717 sl.buf = command; 586 packet sl ("comc");
718 strcpy((char*)sl.buf,"comc "); 587 sl << uint16 (cmdid) << uint32 (time);
719 sl.len=5; 588 pl->ns->send_packet (sl);
720 SockList_AddShort(&sl,packet);
721 if (FABS(pl->ob->speed) < 0.001) time=MAX_TIME * 100;
722 else
723 time = ( int )( MAX_TIME/ FABS(pl->ob->speed) );
724 SockList_AddInt(&sl,time);
725 Send_With_Handling(&pl->socket, &sl);
726} 589}
727
728 590
729/** This is a reply to a previous query. */ 591/** This is a reply to a previous query. */
592void
730void ReplyCmd(char *buf, int len, player *pl) 593ReplyCmd (char *buf, int len, client *ns)
731{ 594{
595 if (ns->state == ST_CUSTOM)
596 {
597 INVOKE_CLIENT (REPLY, ns, ARG_DATA (buf, len));
598 return;
599 }
600
601 if (!ns->pl)
602 return; //TODO: depends on the exact reply we are after
603 //TODO: but right now, we always have a ns->pl
604
605 player *pl = ns->pl;
606
732 /* This is to synthesize how the data would be stored if it 607 /* This is to synthesize how the data would be stored if it
733 * was normally entered. A bit of a hack, and should be cleaned up 608 * was normally entered. A bit of a hack, and should be cleaned up
734 * once all the X11 code is removed from the server. 609 * once all the X11 code is removed from the server.
735 * 610 *
736 * We pass 13 to many of the functions because this way they 611 * We pass 13 to many of the functions because this way they
737 * think it was the carriage return that was entered, and the 612 * think it was the carriage return that was entered, and the
738 * function then does not try to do additional input. 613 * function then does not try to do additional input.
739 */ 614 */
740 snprintf(pl->write_buf, sizeof(pl->write_buf), ":%s", buf); 615 snprintf (pl->write_buf, sizeof (pl->write_buf), ":%s", buf);
741 616
742 /* this avoids any hacking here */ 617 /* this avoids any hacking here */
618
619 switch (ns->state)
743 620 {
744 switch (pl->state) {
745 case ST_PLAYING: 621 case ST_PLAYING:
746 LOG(llevError,"Got reply message with ST_PLAYING input state\n"); 622 LOG (llevError, "Got reply message with ST_PLAYING input state\n");
747 break;
748
749 case ST_PLAY_AGAIN:
750 /* We can check this for return value (2==quit). Maybe we
751 * should, and do something appropriate?
752 */
753 receive_play_again(pl->ob, buf[0]);
754 break;
755
756 case ST_ROLL_STAT:
757 key_roll_stat(pl->ob,buf[0]);
758 break;
759
760 case ST_CHANGE_CLASS:
761
762 key_change_class(pl->ob, buf[0]);
763 break; 623 break;
764 624
765 case ST_CONFIRM_QUIT:
766 key_confirm_quit(pl->ob, buf[0]);
767 break;
768
769 case ST_CONFIGURE:
770 LOG(llevError,"In client input handling, but into configure state\n");
771 pl->state = ST_PLAYING;
772 break;
773
774 case ST_GET_NAME:
775 receive_player_name(pl->ob,13);
776 break;
777
778 case ST_GET_PASSWORD:
779 case ST_CONFIRM_PASSWORD:
780 receive_player_password(pl->ob,13);
781 break;
782
783 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 625 case ST_GET_PARTY_PASSWORD: /* Get password for party */
784 receive_party_password(pl->ob,13); 626 receive_party_password (pl->ob, 13);
785 break; 627 break;
786 628
787 default: 629 default:
788 LOG(llevError,"Unknown input state: %d\n", pl->state); 630 LOG (llevError, "Unknown input state: %d\n", ns->state);
789 } 631 }
790} 632}
791 633
792/** 634/**
793 * Client tells its version. If there is a mismatch, we close the 635 * Client tells its version. If there is a mismatch, we close the
794 * socket. In real life, all we should care about is the client having 636 * socket. In real life, all we should care about is the client having
795 * something older than the server. If we assume the client will be 637 * something older than the server. If we assume the client will be
796 * backwards compatible, having it be a later version should not be a 638 * backwards compatible, having it be a later version should not be a
797 * problem. 639 * problem.
798 */ 640 */
641void
799void VersionCmd(char *buf, int len,NewSocket *ns) 642VersionCmd (char *buf, int len, client * ns)
800{ 643{
801 char *cp;
802 char version_warning[256];
803
804 if (!buf) { 644 if (!buf)
645 {
805 LOG(llevError, "CS: received corrupted version command\n"); 646 LOG (llevError, "CS: received corrupted version command\n");
806 return; 647 return;
807 } 648 }
808 649
809 ns->cs_version = atoi(buf); 650 ns->cs_version = atoi (buf);
810 ns->sc_version = ns->cs_version; 651 ns->sc_version = ns->cs_version;
652
653 LOG (llevDebug, "connection from client <%s>\n", buf);
654
655 //TODO: should log here just for statistics
656
811 if (VERSION_CS != ns->cs_version) { 657 //if (VERSION_CS != ns->cs_version)
812#ifdef ESRV_DEBUG 658 // unchecked;
813 LOG(llevDebug, "CS: csversion mismatch (%d,%d)\n", VERSION_CS,ns->cs_version); 659
814#endif
815 }
816 cp = strchr(buf+1,' '); 660 char *cp = strchr (buf + 1, ' ');
817 if (!cp) return; 661 if (!cp)
662 return;
663
818 ns->sc_version = atoi(cp); 664 ns->sc_version = atoi (cp);
665
819 if (VERSION_SC != ns->sc_version) { 666 //if (VERSION_SC != ns->sc_version)
820#ifdef ESRV_DEBUG 667 // unchecked;
821 LOG(llevDebug, "CS: scversion mismatch (%d,%d)\n",VERSION_SC,ns->sc_version); 668
822#endif
823 }
824 cp = strchr(cp+1, ' '); 669 cp = strchr (cp + 1, ' ');
670
825 if (cp) { 671 if (cp)
826 LOG(llevDebug,"CS: connection from client of type <%s>, ip %s\n", cp, ns->host); 672 {
673 ns->version = cp + 1;
827 674
828 /* This is first implementation - i skip all beta DX clients with it 675 if (ns->sc_version < 1026)
829 * Add later stuff here for other clients 676 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
830 */ 677 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
831
832 /* these are old dxclients */
833 /* Version 1024 added support for singular + plural name values -
834 * requiing this minimal value reduces complexity of that code, and it
835 * has been around for a long time.
836 */
837 if(!strcmp(" CF DX CLIENT", cp) || ns->sc_version < 1024 )
838 {
839 sprintf(version_warning,"drawinfo %d %s", NDI_RED, "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
840 Write_String_To_Socket(ns, version_warning, strlen(version_warning));
841 }
842
843 } 678 }
844} 679}
845 680
846/** sound related functions. */ 681/** sound related functions. */
847 682void
848void SetSound(char *buf, int len, NewSocket *ns) 683SetSound (char *buf, int len, client * ns)
849{ 684{
850 ns->sound = atoi(buf); 685 ns->sound = atoi (buf);
851} 686}
852 687
853/** client wants the map resent */ 688/** client wants the map resent */
854 689void
855void MapRedrawCmd(char *buf, int len, player *pl) 690MapRedrawCmd (char *buf, int len, player *pl)
856{ 691{
857/* This function is currently disabled; just clearing the map state results in 692/* This function is currently disabled; just clearing the map state results in
858 * display errors. It should clear the cache and send a newmap command. 693 * display errors. It should clear the cache and send a newmap command.
859 * Unfortunately this solution does not work because some client versions send 694 * Unfortunately this solution does not work because some client versions send
860 * a mapredraw command after receiving a newmap command. 695 * a mapredraw command after receiving a newmap command.
861 */ 696 */
862#if 0
863 /* Okay, this is MAJOR UGLY. but the only way I know how to
864 * clear the "cache"
865 */
866 memset(&pl->socket.lastmap, 0, sizeof(struct Map));
867 draw_client_map(pl->ob);
868#endif
869} 697}
870 698
871/** 699/**
872 * Moves an object (typically, container to inventory). 700 * Moves an object (typically, container to inventory).
873 * syntax is: move (to) (tag) (nrof) 701 * syntax is: move (to) (tag) (nrof)
874 */ 702 */
703void
875void MoveCmd(char *buf, int len,player *pl) 704MoveCmd (char *buf, int len, player *pl)
876{ 705{
877 int vals[3], i; 706 int to, tag, nrof;
878 707
879 /* A little funky here. We only cycle for 2 records, because 708 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
880 * we obviously am not going to find a space after the third 709 {
881 * record. Perhaps we should just replace this with a
882 * sscanf?
883 */
884 for (i=0; i<2; i++) {
885 vals[i]=atoi(buf);
886 if (!(buf = strchr(buf, ' '))) {
887 LOG(llevError,"Incomplete move command: %s\n", buf); 710 LOG (llevError, "Incomplete move command: %s\n", buf);
888 return; 711 return;
889 }
890 buf++;
891 } 712 }
892 vals[2]=atoi(buf);
893 713
894/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/ 714 esrv_move_object (pl->ob, to, tag, nrof);
895 esrv_move_object(pl->ob,vals[0], vals[1], vals[2]);
896} 715}
897
898
899 716
900/****************************************************************************** 717/******************************************************************************
901 * 718 *
902 * Start of commands the server sends to the client. 719 * Start of commands the server sends to the client.
903 * 720 *
… …
905 722
906/** 723/**
907 * Asks the client to query the user. This way, the client knows 724 * Asks the client to query the user. This way, the client knows
908 * it needs to send something back (vs just printing out a message) 725 * it needs to send something back (vs just printing out a message)
909 */ 726 */
727void
910void send_query(NewSocket *ns, uint8 flags, char *text) 728send_query (client *ns, uint8 flags, const char *text)
911{ 729{
912 char buf[MAX_BUF];
913
914 sprintf(buf,"query %d %s", flags, text?text:""); 730 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
915 Write_String_To_Socket(ns, buf, strlen(buf)); 731}
732
733/**
734 * Get player's current range attack in obuf.
735 */
736static void
737rangetostring (player *pl, char *obuf)
738{
739 dynbuf_text &buf = msg_dynbuf; buf.clear ();
740
741 if (pl->ranged_ob)
742 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
743
744 if (pl->combat_ob)
745 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
746
747#if 0
748 //TODO: remove this when slot system is working, this is only for debugging
749 if (pl->ob->chosen_skill)
750 buf << " Skill*: " << pl->ob->chosen_skill->name;
751#endif
752
753 //TODO: maybe golem should become the current_weapon, quite simply?
754 if (pl->golem)
755 buf << " Golem*: " << pl->golem->name;
756
757 buf << '\0';
758 buf.linearise (obuf);
916} 759}
917 760
918#define AddIfInt64(Old,New,Type) if (Old != New) {\ 761#define AddIfInt64(Old,New,Type) if (Old != New) {\
919 Old = New; \ 762 Old = New; \
920 SockList_AddChar(&sl, Type); \ 763 sl << uint8 (Type) << uint64 (New); \
921 SockList_AddInt64(&sl, New); \ 764 }
922 }
923 765
924#define AddIfInt(Old,New,Type) if (Old != New) {\ 766#define AddIfInt(Old,New,Type) if (Old != New) {\
925 Old = New; \ 767 Old = New; \
926 SockList_AddChar(&sl, Type); \ 768 sl << uint8 (Type) << uint32 (New); \
927 SockList_AddInt(&sl, New); \ 769 }
928 }
929 770
930#define AddIfShort(Old,New,Type) if (Old != New) {\ 771#define AddIfShort(Old,New,Type) if (Old != New) {\
931 Old = New; \ 772 Old = New; \
932 SockList_AddChar(&sl, Type); \ 773 sl << uint8 (Type) << uint16 (New); \
933 SockList_AddShort(&sl, New); \ 774 }
934 }
935 775
936#define AddIfFloat(Old,New,Type) if (Old != New) {\ 776#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
937 Old = New; \ 777 Old = New; \
938 SockList_AddChar(&sl, Type); \ 778 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
939 SockList_AddInt(&sl,(long)(New*FLOAT_MULTI));\ 779 }
940 }
941 780
942#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 781#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
943 if (Old) free(Old);\ 782 free(Old); Old = strdup (New);\
944 Old = strdup_local(New);\ 783 sl << uint8 (Type) << data8 (New); \
945 SockList_AddChar(&sl, Type); \ 784 }
946 SockList_AddChar(&sl, ( char )strlen(New)); \
947 strcpy((char*)sl.buf + sl.len, New); \
948 sl.len += strlen(New); \
949 }
950 785
951/** 786/**
952 * Sends a statistics update. We look at the old values, 787 * Sends a statistics update. We look at the old values,
953 * and only send what has changed. Stat mapping values are in newclient.h 788 * and only send what has changed. Stat mapping values are in newclient.h
954 * Since this gets sent a lot, this is actually one of the few binary 789 * Since this gets sent a lot, this is actually one of the few binary
955 * commands for now. 790 * commands for now.
956 */ 791 */
792void
957void esrv_update_stats(player *pl) 793esrv_update_stats (player *pl)
958{ 794{
959 SockList sl;
960 char buf[MAX_BUF]; 795 char buf[MAX_BUF];
961 uint16 flags; 796 uint16 flags;
962 797
963 sl.buf=(unsigned char*)malloc(MAXSOCKBUF); 798 client *ns = pl->ns;
964 strcpy((char*)sl.buf,"stats "); 799 if (!ns)
965 sl.len=strlen((char*)sl.buf); 800 return;
966 801
967 if(pl->ob != NULL) 802 object *ob = pl->observe;
968 { 803 if (!ob)
804 return;
805
806 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
807
808 packet sl ("stats");
809
969 AddIfShort(pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); 810 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
970 AddIfShort(pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); 811 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
971 AddIfShort(pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); 812 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
972 AddIfShort(pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); 813 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
973 AddIfShort(pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); 814 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
974 AddIfShort(pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); 815 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
975 AddIfShort(pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); 816 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
976 AddIfShort(pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT);
977 AddIfShort(pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW);
978 AddIfShort(pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS);
979 AddIfShort(pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); 817 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
980 AddIfShort(pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON); 818 AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
819 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
820 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
821 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
981 AddIfShort(pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); 822 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
982 } 823
983 if(pl->socket.exp64) {
984 uint8 s;
985 for(s=0;s<NUM_SKILLS;s++) { 824 for (int s = 0; s < NUM_SKILLS; s++)
986 if (pl->last_skill_ob[s] && 825 if (object *skill = opl->last_skill_ob [s])
987 pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp) { 826 if (skill->stats.exp != ns->last_skill_exp [s])
827 {
828 ns->last_skill_exp [s] = skill->stats.exp;
988 829
989 /* Always send along the level if exp changes. This is only 830 /* Always send along the level if exp changes. This is only
990 * 1 extra byte, but keeps processing simpler. 831 * 1 extra byte, but keeps processing simpler.
991 */ 832 */
992 SockList_AddChar(&sl, ( char )( s + CS_STAT_SKILLINFO )); 833 sl << uint8 (s + CS_STAT_SKILLINFO)
993 SockList_AddChar(&sl, ( char )pl->last_skill_ob[s]->level); 834 << uint8 (skill->level)
994 SockList_AddInt64(&sl, pl->last_skill_ob[s]->stats.exp); 835 << uint64 (skill->stats.exp);
995 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp; 836 }
996 } 837
997 }
998 }
999 if (pl->socket.exp64) {
1000 AddIfInt64(pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64); 838 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1001 } else {
1002 AddIfInt(pl->last_stats.exp, ( int )pl->ob->stats.exp, CS_STAT_EXP);
1003 }
1004 AddIfShort(pl->last_level, ( char )pl->ob->level, CS_STAT_LEVEL); 839 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1005 AddIfShort(pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); 840 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1006 AddIfShort(pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); 841 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1007 AddIfShort(pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); 842 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1008 AddIfFloat(pl->last_speed, pl->ob->speed, CS_STAT_SPEED); 843 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK);
1009 AddIfShort(pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); 844 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1010 AddIfFloat(pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 845 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK);
1011 AddIfInt(pl->last_weight_limit, (sint32)weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM); 846 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
847
1012 flags=0; 848 flags = 0;
1013 if (pl->fire_on) flags |=SF_FIREON;
1014 if (pl->run_on) flags |= SF_RUNON;
1015 849
850 if (opl->fire_on)
851 flags |= SF_FIREON;
852
853 if (opl->run_on)
854 flags |= SF_RUNON;
855
1016 AddIfShort(pl->last_flags, flags, CS_STAT_FLAGS); 856 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1017 if (pl->socket.sc_version<1025) { 857
858 if (ns->sc_version < 1025)
1018 AddIfShort(pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR); 859 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1019 } else { 860 else
1020 int i;
1021
1022 for (i=0; i<NROFATTACKS; i++) { 861 for (int i = 0; i < NROFATTACKS; i++)
862 {
1023 /* Skip ones we won't send */ 863 /* Skip ones we won't send */
1024 if (atnr_cs_stat[i]==-1) continue; 864 if (atnr_cs_stat[i] == -1)
865 continue;
866
1025 AddIfShort(pl->last_resist[i], pl->ob->resist[i], ( char )atnr_cs_stat[i]); 867 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1026 }
1027 } 868 }
869
1028 if (pl->socket.monitor_spells) { 870 if (pl->ns->monitor_spells)
871 {
1029 AddIfInt(pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE); 872 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1030 AddIfInt(pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL); 873 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1031 AddIfInt(pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY); 874 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1032 } 875 }
876
1033 rangetostring(pl->ob, buf); /* we want use the new fire & run system in new client */ 877 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
1034 AddIfString(pl->socket.stats.range, buf, CS_STAT_RANGE); 878 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1035 set_title(pl->ob, buf); 879 set_title (ob, buf);
1036 AddIfString(pl->socket.stats.title, buf, CS_STAT_TITLE); 880 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1037 881
1038 /* Only send it away if we have some actual data */ 882 /* Only send it away if we have some actual data */
1039 if (sl.len>6) { 883 if (sl.length () > 6)
1040#ifdef ESRV_DEBUG 884 ns->send_packet (sl);
1041 LOG(llevDebug,"Sending stats command, %d bytes long.\n", sl.len);
1042#endif
1043 Send_With_Handling(&pl->socket, &sl);
1044 }
1045 free(sl.buf);
1046} 885}
1047
1048 886
1049/** 887/**
1050 * Tells the client that here is a player it should start using. 888 * Tells the client that here is a player it should start using.
1051 */ 889 */
1052void esrv_new_player(player *pl, uint32 weight) 890void
891esrv_new_player (player *pl)
1053{ 892{
1054 SockList sl; 893 sint32 weight = pl->ob->client_weight ();
1055 894
895 packet sl ("player");
896
897 sl << uint32 (pl->ob->count)
898 << uint32 (weight)
899 << uint32 (pl->ob->face)
900 << data8 (pl->ob->name);
901
1056 pl->last_weight = weight; 902 pl->ns->last_weight = weight;
1057 903 pl->ns->send_packet (sl);
1058 sl.buf=(unsigned char*)malloc(MAXSOCKBUF);
1059
1060 strcpy((char*)sl.buf,"player ");
1061 sl.len=strlen((char*)sl.buf);
1062 SockList_AddInt(&sl, pl->ob->count);
1063 SockList_AddInt(&sl, weight);
1064 SockList_AddInt(&sl, pl->ob->face->number);
1065
1066 SockList_AddChar(&sl, ( char )strlen(pl->ob->name));
1067 strcpy((char*)sl.buf+sl.len, pl->ob->name);
1068 sl.len += strlen(pl->ob->name);
1069
1070 Send_With_Handling(&pl->socket, &sl);
1071 free(sl.buf);
1072 SET_FLAG(pl->ob, FLAG_CLIENT_SENT);
1073} 904}
1074
1075
1076/**
1077 * Need to send an animation sequence to the client.
1078 * We will send appropriate face commands to the client if we haven't
1079 * sent them the face yet (this can become quite costly in terms of
1080 * how much we are sending - on the other hand, this should only happen
1081 * when the player logs in and picks stuff up.
1082 */
1083void esrv_send_animation(NewSocket *ns, short anim_num)
1084{
1085 SockList sl;
1086 int i;
1087
1088 /* Do some checking on the anim_num we got. Note that the animations
1089 * are added in contigous order, so if the number is in the valid
1090 * range, it must be a valid animation.
1091 */
1092 if (anim_num < 0 || anim_num > num_animations) {
1093 LOG(llevError,"esrv_send_anim (%d) out of bounds??\n",anim_num);
1094 return;
1095 }
1096
1097 sl.buf = (unsigned char*) malloc(MAXSOCKBUF);
1098 strcpy((char*)sl.buf, "anim ");
1099 sl.len=5;
1100 SockList_AddShort(&sl, anim_num);
1101 SockList_AddShort(&sl, 0); /* flags - not used right now */
1102 /* Build up the list of faces. Also, send any information (ie, the
1103 * the face itself) down to the client.
1104 */
1105 for (i=0; i<animations[anim_num].num_animations; i++) {
1106 if (!(ns->faces_sent[animations[anim_num].faces[i]] & NS_FACESENT_FACE))
1107 esrv_send_face(ns,animations[anim_num].faces[i],0);
1108 SockList_AddShort(&sl, animations[anim_num].faces[i]); /* flags - not used right now */
1109 }
1110 Send_With_Handling(ns, &sl);
1111 free(sl.buf);
1112 ns->anims_sent[anim_num] = 1;
1113}
1114
1115 905
1116/****************************************************************************** 906/******************************************************************************
1117 * 907 *
1118 * Start of map related commands. 908 * Start of map related commands.
1119 * 909 *
1120 ******************************************************************************/ 910 ******************************************************************************/
1121 911
1122/**
1123 * This adds face_num to a map cell at x,y. If the client doesn't have
1124 * the face yet, we will also send it.
1125 */
1126static void esrv_map_setbelow(NewSocket *ns, int x,int y,
1127 short face_num, struct Map *newmap)
1128{
1129 if(newmap->cells[x][y].count >= MAP_LAYERS) {
1130 LOG(llevError,"Too many faces in map cell %d %d\n",x,y);
1131 return;
1132 abort();
1133 }
1134 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1135 newmap->cells[x][y].count ++;
1136 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1137 esrv_send_face(ns,face_num,0);
1138}
1139
1140struct LayerCell {
1141 uint16 xy;
1142 short face;
1143};
1144
1145struct MapLayer {
1146 int count;
1147 struct LayerCell lcells[MAP_CLIENT_X * MAP_CLIENT_Y];
1148};
1149
1150/** Checkes if map cells have changed */
1151static int mapcellchanged(NewSocket *ns,int i,int j, struct Map *newmap)
1152{
1153 int k;
1154
1155 if (ns->lastmap.cells[i][j].count != newmap->cells[i][j].count)
1156 return 1;
1157 for(k=0;k<newmap->cells[i][j].count;k++) {
1158 if (ns->lastmap.cells[i][j].faces[k] !=
1159 newmap->cells[i][j].faces[k]) {
1160 return 1;
1161 }
1162 }
1163 return 0;
1164}
1165
1166/**
1167 * Basically, what this does is pack the data into layers.
1168 * cnum is the client number, cur is the the buffer we put all of
1169 * this data into. we return the end of the data. layers is
1170 * how many layers of data we should back.
1171 */
1172static uint8 *compactlayer(NewSocket *ns, unsigned char *cur, int numlayers,
1173 struct Map *newmap)
1174{
1175 int x,y,k;
1176 int face;
1177 unsigned char *fcur;
1178 struct MapLayer layers[MAP_LAYERS];
1179
1180 for(k = 0;k<MAP_LAYERS;k++)
1181 layers[k].count = 0;
1182 fcur = cur;
1183 for(x=0;x<ns->mapx;x++) {
1184 for(y=0;y<ns->mapy;y++) {
1185 if (!mapcellchanged(ns,x,y,newmap))
1186 continue;
1187 if (newmap->cells[x][y].count == 0) {
1188 *cur = x*ns->mapy+y; /* mark empty space */
1189 cur++;
1190 continue;
1191 }
1192 for(k=0;k<newmap->cells[x][y].count;k++) {
1193 layers[k].lcells[layers[k].count].xy = x*ns->mapy+y;
1194 layers[k].lcells[layers[k].count].face =
1195 newmap->cells[x][y].faces[k];
1196 layers[k].count++;
1197 }
1198 }
1199 }
1200 /* If no data, return now. */
1201 if (fcur == cur && layers[0].count == 0)
1202 return cur;
1203 *cur = 255; /* mark end of explicitly cleared cells */
1204 cur++;
1205 /* First pack by layers. */
1206 for(k=0;k<numlayers;k++) {
1207 if (layers[k].count == 0)
1208 break; /* once a layer is entirely empty, no layer below it can
1209 have anything in it either */
1210 /* Pack by entries in thie layer */
1211 for(x=0;x<layers[k].count;) {
1212 fcur = cur;
1213 *cur = layers[k].lcells[x].face >> 8;
1214 cur++;
1215 *cur = layers[k].lcells[x].face & 0xFF;
1216 cur++;
1217 face = layers[k].lcells[x].face;
1218 /* Now, we back the redundant data into 1 byte xy pairings */
1219 for(y=x;y<layers[k].count;y++) {
1220 if (layers[k].lcells[y].face == face) {
1221 *cur = ( uint8 )layers[k].lcells[y].xy;
1222 cur++;
1223 layers[k].lcells[y].face = -1;
1224 }
1225 }
1226 *(cur-1) = *(cur-1) | 128; /* mark for end of xy's; 11*11 < 128 */
1227 /* forward over the now redundant data */
1228 while(x < layers[k].count &&
1229 layers[k].lcells[x].face == -1)
1230 x++;
1231 }
1232 *fcur = *fcur | 128; /* mark for end of faces at this layer */
1233 }
1234 return cur;
1235}
1236
1237static void esrv_map_doneredraw(NewSocket *ns, struct Map *newmap)
1238{
1239 static long frames,bytes,tbytes,tframes;
1240 char *cur;
1241 SockList sl;
1242
1243
1244 sl.buf=(unsigned char*)malloc(MAXSOCKBUF);
1245 strcpy((char*)sl.buf,"map ");
1246 sl.len=strlen((char*)sl.buf);
1247
1248 cur = (char *) compactlayer(ns,(unsigned char*) sl.buf+sl.len,MAP_LAYERS,newmap);
1249 sl.len=cur-(char*)sl.buf;
1250
1251/* LOG(llevDebug, "Sending map command.\n");*/
1252
1253 if (sl.len>( int )strlen("map ") || ns->sent_scroll) {
1254 /* All of this is just accounting stuff */
1255 if (tframes>100) {
1256 tframes = tbytes = 0;
1257 }
1258 tframes++;
1259 frames++;
1260 tbytes += sl.len;
1261 bytes += sl.len;
1262 memcpy(&ns->lastmap,newmap,sizeof(struct Map));
1263 Send_With_Handling(ns, &sl);
1264 ns->sent_scroll = 0;
1265 }
1266 free(sl.buf);
1267}
1268
1269
1270/** Clears a map cell */ 912/** Clears a map cell */
1271static void map_clearcell(struct MapCell *cell, int face0, int face1, int face2, int count) 913static void
914map_clearcell (struct MapCell *cell, int count)
1272{ 915{
1273 cell->faces[0] = face0; 916 cell->faces[0] = 0;
1274 cell->faces[1] = face1; 917 cell->faces[1] = 0;
1275 cell->faces[2] = face2; 918 cell->faces[2] = 0;
919 cell->smooth[0] = 0;
920 cell->smooth[1] = 0;
921 cell->smooth[2] = 0;
1276 cell->count = count; 922 cell->count = count;
1277 cell->stat_hp = 0; 923 cell->stat_hp = 0;
924 cell->flags = 0;
925 cell->player = 0;
1278} 926}
1279 927
1280#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1281#define MAX_LAYERS 3 928#define MAX_LAYERS 3
1282
1283/* Using a global really isn't a good approach, but saves the over head of
1284 * allocating and deallocating such a block of data each time run through,
1285 * and saves the space of allocating this in the socket object when we only
1286 * need it for this cycle. If the serve is ever threaded, this needs to be
1287 * re-examined.
1288 */
1289
1290static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1291
1292/**
1293 * Returns true if any of the heads for this
1294 * space is set. Returns false if all are blank - this is used
1295 * for empty space checking.
1296 */
1297static inline int have_head(int ax, int ay) {
1298
1299 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1300 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] ||
1301 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2]) return 1;
1302 return 0;
1303}
1304
1305/**
1306 * check_head is a bit simplistic version of update_space below.
1307 * basically, it only checks the that the head on space ax,ay at layer
1308 * needs to get sent - if so, it adds the data, sending the head
1309 * if needed, and returning 1. If this no data needs to get
1310 * sent, it returns zero.
1311 */
1312static int check_head (SockList &sl, NewSocket &ns, int ax, int ay, int layer)
1313{
1314 short face_num;
1315
1316 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1317 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1318 else
1319 face_num = 0;
1320
1321 if (face_num != ns.lastmap.cells[ax][ay].faces[layer]) {
1322 SockList_AddShort (&sl, face_num);
1323 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1324 esrv_send_face (&ns, face_num, 0);
1325 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1326 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1327 return 1;
1328 }
1329
1330 return 0; /* No change */
1331}
1332 929
1333/** 930/**
1334 * Removes the need to replicate the same code for each layer. 931 * Removes the need to replicate the same code for each layer.
1335 * this returns true if this space is now in fact different than 932 * this returns true if this space is now in fact different than
1336 * it was. 933 * it was.
1337 * sl is the socklist this data is going into. 934 * sl is the socklist this data is going into.
1338 * ns is the socket we are working on - all the info we care 935 * ns is the socket we are working on - all the info we care
1339 * about is in this socket structure, so now need not pass the 936 * about is in this socket structure, so now need not pass the
1340 * entire player object. 937 * entire player object.
1341 * mx and my are map coordinate offsets for map mp
1342 * sx and sy are the offsets into the socket structure that
1343 * holds the old values.
1344 * layer is the layer to update, with 2 being the floor and 0 the 938 * layer is the layer to update, with 2 being the floor and 0 the
1345 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ) 939 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ)
1346 * take. Interesting to note that before this function, the map1 function 940 * take. Interesting to note that before this function, the map1 function
1347 * numbers the spaces differently - I think this was a leftover from 941 * numbers the spaces differently - I think this was a leftover from
1348 * the map command, where the faces stack up. Sinces that is no longer 942 * the map command, where the faces stack up. Sinces that is no longer
1349 * the case, it seems to make more sense to have these layer values 943 * the case, it seems to make more sense to have these layer values
1350 * actually match. 944 * actually match.
1351 */ 945 */
1352 946static int
1353static int update_space(SockList *sl, NewSocket *ns, mapstruct *mp, int mx, int my, int sx, int sy, int layer) 947update_space (packet &sl, client &ns, mapspace &ms, MapCell &lastcell, int layer)
1354{ 948{
1355 object *ob, *head; 949 object *ob = ms.faces_obj [layer];
950
951 /* If there is no object for this space, or if the face for the object
952 * is the blank face, set the face number to zero.
953 * else if we have the stored head object for this space, that takes
954 * precedence over the other object for this space.
955 * otherwise, we do special head processing
956 */
957 uint16 face_num = ob && ob->face != blank_face ? ob->face : 0;
958
959 /* We've gotten what face we want to use for the object. Now see if
960 * if it has changed since we last sent it to the client.
961 */
962 if (lastcell.faces[layer] != face_num)
963 {
964 lastcell.faces[layer] = face_num;
965
966 if (!ns.faces_sent[face_num])
967 if (ob)
968 ns.send_faces (ob);
969 else
970 ns.send_face (face_num, 10);
971
1356 uint16 face_num; 972 sl << uint16 (face_num);
1357 int bx, by,i; 973 return 1;
974 }
1358 975
1359 /* If there is a multipart object stored away, treat that as more important. 976 /* Nothing changed */
1360 * If not, then do the normal processing. 977 return 0;
978}
979
980//-GPL
981
982// prefetch (and touch) all maps within a specific distancd
983static void
984prefetch_surrounding_maps (maptile *map, int distance)
985{
986 map->touch ();
987
988 if (--distance)
989 for (int dir = 4; --dir; )
990 if (const shstr &path = map->tile_path [dir])
991 if (maptile *&neigh = map->tile_map [dir])
992 prefetch_surrounding_maps (neigh, distance);
993 else
994 neigh = maptile::find_async (path, map);
995}
996
997// prefetch a generous area around the player
998static void
999prefetch_surrounding_maps (object *op)
1000{
1001 prefetch_surrounding_maps (op->map, 3);
1002}
1003
1004//+GPL
1005
1006/**
1007 * Draws client map.
1008 */
1009void
1010draw_client_map (player *pl)
1011{
1012 object *ob = pl->viewpoint;
1013 if (!pl->observe->active)
1014 return;
1015
1016 /* If player is just joining the game, he isn't here yet, so the map
1017 * can get swapped out. If so, don't try to send them a map. All will
1018 * be OK once they really log in.
1019 */
1020 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1021 return;
1022
1023 int startlen, oldlen;
1024
1025 check_map_change (pl);
1026 prefetch_surrounding_maps (pl->ob);
1027
1028 /* do LOS after calls to update_position */
1029 /* unfortunately, we need to udpate los when observing, currently */
1030 if (pl->do_los || pl->viewpoint != pl->ob)
1031 {
1032 pl->do_los = 0;
1033 pl->update_los ();
1034 }
1035
1036 /**
1037 * This function uses the new map1 protocol command to send the map
1038 * to the client. It is necessary because the old map command supports
1039 * a maximum map size of 15x15.
1040 * This function is much simpler than the old one. This is because
1041 * the old function optimized to send as few face identifiers as possible,
1042 * at the expense of sending more coordinate location (coordinates were
1043 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1044 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1045 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1046 * and use the other 4 bits for other informatiion. For full documentation
1047 * of what we send, see the doc/Protocol file.
1048 * I will describe internally what we do:
1049 * the ns->lastmap shows how the map last looked when sent to the client.
1050 * in the lastmap structure, there is a cells array, which is set to the
1051 * maximum viewable size (As set in config.h).
1052 * in the cells, there are faces and a count value.
1053 * we use the count value to hold the darkness value. If -1, then this space
1054 * is not viewable.
1055 * we use faces[0] faces[1] faces[2] to hold what the three layers
1056 * look like.
1057 */
1058
1059 client &socket = *pl->ns;
1060
1061 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1062
1063 startlen = sl.length ();
1064
1065 int hx = socket.mapx / 2;
1066 int hy = socket.mapy / 2;
1067
1068 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1069 int ax = dx + hx;
1070 int ay = dy + hy;
1071
1072 int mask = (ax << 10) | (ay << 4);
1073 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1074
1075 /* If the coordinates are not valid, or it is too dark to see,
1076 * we tell the client as such
1361 */ 1077 */
1362 1078 if (!m)
1363 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer]; 1079 {
1364 1080 /* space is out of map. Update space and clear values
1365 /* Check to see if this head is part of the set of objects 1081 * if this hasn't already been done. If the space is out
1366 * we would normally send for this space. If so, then 1082 * of the map, it shouldn't have a head.
1367 * don't use the head value. We need to do the check
1368 * here and not when setting up the heads[] value for two reasons -
1369 * 1) the heads[] values will get used even if the space is not visible.
1370 * 2) its possible the head is not on the same map as a part, and I'd
1371 * rather not need to do the map translation overhead.
1372 * 3) We need to do some extra checking to make sure that we will
1373 * otherwise send the image as this layer, eg, either it matches
1374 * the head value, or is not multipart.
1375 */ 1083 */
1376 if (head && !head->more) { 1084 if (lastcell.count != -1)
1377 for (i=0; i<MAP_LAYERS; i++) { 1085 {
1378 ob = GET_MAP_FACE_OBJ(mp, mx, my, i); 1086 sl << uint16 (mask);
1379 if (!ob) continue; 1087 map_clearcell (&lastcell, -1);
1088 }
1380 1089
1381 if (ob->head) ob=ob->head; 1090 continue;
1382
1383 if (ob == head) {
1384 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1385 head = NULL;
1386 break;
1387 }
1388 }
1389 } 1091 }
1092
1093 int d = pl->blocked_los_uc (dx, dy);
1390 1094
1391 ob = head; 1095 if (d > 3)
1392 if (!ob) ob = GET_MAP_FACE_OBJ(mp, mx, my, layer); 1096 {
1393 1097 /* This block deals with spaces that are not visible for whatever
1394 /* If there is no object for this space, or if the face for the object 1098 * reason. Still may need to send the head for this space.
1395 * is the blank face, set the face number to zero.
1396 * else if we have the stored head object for this space, that takes
1397 * precedence over the other object for this space.
1398 * otherwise, we do special head processing
1399 */ 1099 */
1400 if (!ob || ob->face == blank_face) face_num=0; 1100 if (lastcell.count != -1
1401 else if (head){ 1101 || lastcell.faces[0]
1402 /* if this is a head that had previously been stored */ 1102 || lastcell.faces[1]
1403 face_num = ob->face->number; 1103 || lastcell.faces[2]
1404 } else { 1104 || lastcell.stat_hp
1405 /* if the faces for the different parts of a multipart object 1105 || lastcell.flags
1406 * are the same, we only want to send the bottom right most 1106 || lastcell.player)
1407 * portion of the object. That info is in the tail_.. values 1107 sl << uint16 (mask);
1408 * of the head. Note that for the head itself, ob->head will
1409 * be null, so we only do this block if we are working on
1410 * a tail piece.
1411 */
1412 1108
1413 /* tail_x and tail_y will only be set in the head object. If 1109 /* properly clear a previously sent big face */
1414 * this is the head object and these are set, we proceed 1110 map_clearcell (&lastcell, -1);
1415 * with logic to only send bottom right. Similarly, if
1416 * this is one of the more parts but the head has those values
1417 * set, we want to do the processing. There can be cases where
1418 * the head is not visible but one of its parts is, so we just
1419 * can always expect that ob->arch->tail_x will be true for all
1420 * object we may want to display.
1421 */
1422 if ((ob->arch->tail_x || ob->arch->tail_y) ||
1423 (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y))) {
1424
1425 if (ob->head) head = ob->head;
1426 else head = ob;
1427
1428 /* Basically figure out where the offset is from where we are right
1429 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1430 * piece is from the head, and the tail is where the tail is from the
1431 * head. Note that bx and by will equal sx and sy if we are already working
1432 * on the bottom right corner. If ob is the head, the clone values
1433 * will be zero, so the right thing will still happen.
1434 */
1435 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1436 by = sy + head->arch->tail_y - ob->arch->clone.y;
1437
1438 /* I don't think this can ever happen, but better to check for it just
1439 * in case.
1440 */
1441 if (bx < sx || by < sy) {
1442 LOG(llevError,"update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n",
1443 bx, by, sx, sy);
1444 face_num = 0;
1445 }
1446 /* single part object, multipart object with non merged faces,
1447 * of multipart object already at lower right.
1448 */
1449 else if (bx == sx && by == sy) {
1450 face_num = ob->face->number;
1451
1452 /* if this face matches one stored away, clear that one away.
1453 * this code relies on the fact that the map1 commands
1454 * goes from 2 down to 0.
1455 */
1456 for (i=0; i<MAP_LAYERS; i++)
1457 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1458 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1459 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1460 }
1461 else {
1462 /* If this head is stored away, clear it - otherwise,
1463 * there can be cases where a object is on multiple layers -
1464 * we only want to send it once.
1465 */
1466 face_num = head->face->number;
1467 for (i=0; i<MAP_LAYERS; i++)
1468 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1469 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1470 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1471
1472 /* First, try to put the new head on the same layer. If that is used up,
1473 * then find another layer.
1474 */
1475 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL) {
1476 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1477 } else for (i=0; i<MAX_LAYERS; i++) {
1478 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1479 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head) {
1480 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1481 }
1482 }
1483 face_num = 0; /* Don't send this object - we'll send the head later */
1484 }
1485 } else {
1486 /* In this case, we are already at the lower right or single part object,
1487 * so nothing special
1488 */
1489 face_num = ob->face->number;
1490
1491 /* clear out any head entries that have the same face as this one */
1492 for (bx=0; bx<layer; bx++)
1493 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1494 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1495 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1496 }
1497 } /* else not already head object or blank face */
1498
1499 /* This is a real hack. Basically, if we have nothing to send for this layer,
1500 * but there is a head on the next layer, send that instead.
1501 * Without this, what happens is you can get the case where the player stands
1502 * on the same space as the head. However, if you have overlapping big objects
1503 * of the same type, what happens then is it doesn't think it needs to send
1504 * This tends to make stacking also work/look better.
1505 */
1506 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer -1]) {
1507 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer -1]->face->number;
1508 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer -1] = NULL;
1509 } 1111 }
1510
1511 /* Another hack - because of heads and whatnot, this face may match one
1512 * we already sent for a lower layer. In that case, don't send
1513 * this one.
1514 */
1515 if (face_num && layer+1<MAP_LAYERS && ns->lastmap.cells[sx][sy].faces[layer+1] == face_num) {
1516 face_num = 0;
1517 }
1518
1519 /* We've gotten what face we want to use for the object. Now see if
1520 * if it has changed since we last sent it to the client.
1521 */
1522 if (ns->lastmap.cells[sx][sy].faces[layer] != face_num) {
1523 ns->lastmap.cells[sx][sy].faces[layer] = face_num;
1524 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1525 esrv_send_face(ns, face_num, 0);
1526 SockList_AddShort(sl, face_num);
1527 return 1;
1528 }
1529 /* Nothing changed */
1530 return 0;
1531}
1532
1533/**
1534 * This function is mainly a copy of update_space,
1535 * except it handles update of the smoothing updates,
1536 * not the face updates.
1537 * Removes the need to replicate the same code for each layer.
1538 * this returns true if this smooth is now in fact different
1539 * than it was.
1540 * sl is the socklist this data is going into.
1541 * ns is the socket we are working on - all the info we care
1542 * about is in this socket structure, so know need to pass the
1543 * entire player object.
1544 * mx and my are map coordinate offsets for map mp
1545 * sx and sy are the offsets into the socket structure that
1546 * holds the old values.
1547 * layer is the layer to update, with 2 being the floor and 0 the
1548 * top layer (this matches what the GET_MAP_FACE and GET_MAP_FACE_OBJ
1549 * take.
1550 */
1551
1552static inline int update_smooth(SockList *sl, NewSocket *ns, mapstruct *mp, int mx, int my, int sx, int sy, int layer)
1553{
1554 object *ob;
1555 int smoothlevel; /* old face_num;*/
1556
1557 ob = GET_MAP_FACE_OBJ(mp, mx, my, layer);
1558
1559 /* If there is no object for this space, or if the face for the object
1560 * is the blank face, set the smoothlevel to zero.
1561 */
1562 if (!ob || ob->face == blank_face || MAP_NOSMOOTH(mp)) smoothlevel=0;
1563 else {
1564 smoothlevel = ob->smoothlevel;
1565 if (smoothlevel && !(ns->faces_sent[ob->face->number] & NS_FACESENT_SMOOTH))
1566 SendSmooth(ns, ob->face->number);
1567 } /* else not already head object or blank face */
1568
1569 /* We've gotten what face we want to use for the object. Now see if
1570 * if it has changed since we last sent it to the client.
1571 */
1572 if (smoothlevel>255)
1573 smoothlevel=255;
1574 else if (smoothlevel<0)
1575 smoothlevel=0;
1576 if (ns->lastmap.cells[sx][sy].smooth[layer] != smoothlevel) {
1577 ns->lastmap.cells[sx][sy].smooth[layer] = smoothlevel;
1578 SockList_AddChar(sl, (uint8) (smoothlevel&0xFF));
1579 return 1;
1580 }
1581 /* Nothing changed */
1582 return 0;
1583}
1584
1585/**
1586 * Returns the size of a data for a map square as returned by
1587 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
1588 * available.
1589 */
1590int getExtendedMapInfoSize(NewSocket* ns){
1591 int result=0;
1592 if (ns->ext_mapinfos){
1593 if (ns->EMI_smooth)
1594 result+=1; /*One byte for smoothlevel*/
1595 }
1596 return result;
1597}
1598/**
1599 * This function uses the new map1 protocol command to send the map
1600 * to the client. It is necessary because the old map command supports
1601 * a maximum map size of 15x15.
1602 * This function is much simpler than the old one. This is because
1603 * the old function optimized to send as few face identifiers as possible,
1604 * at the expense of sending more coordinate location (coordinates were
1605 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1606 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1607 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1608 * and use the other 4 bits for other informatiion. For full documentation
1609 * of what we send, see the doc/Protocol file.
1610 * I will describe internally what we do:
1611 * the socket->lastmap shows how the map last looked when sent to the client.
1612 * in the lastmap structure, there is a cells array, which is set to the
1613 * maximum viewable size (As set in config.h).
1614 * in the cells, there are faces and a count value.
1615 * we use the count value to hold the darkness value. If -1, then this space
1616 * is not viewable.
1617 * we use faces[0] faces[1] faces[2] to hold what the three layers
1618 * look like.
1619 */
1620void draw_client_map1(object *pl)
1621{
1622 int x,y,ax, ay, d, startlen, max_x, max_y, oldlen;
1623 sint16 nx, ny;
1624 int estartlen, eoldlen;
1625 SockList sl;
1626 SockList esl; /*For extended Map info*/
1627 uint16 mask,emask;
1628 uint8 eentrysize;
1629 uint16 ewhatstart,ewhatflag;
1630 uint8 extendedinfos;
1631 mapstruct *m;
1632 NewSocket &socket = pl->contr->socket;
1633
1634 check_map_change (pl->contr);
1635
1636 sl.buf=(unsigned char*)malloc(MAXSOCKBUF);
1637 if (socket.mapmode == Map1Cmd)
1638 strcpy((char*)sl.buf,"map1 ");
1639 else 1112 else
1640 strcpy((char*)sl.buf,"map1a "); 1113 {
1641 sl.len=strlen((char*)sl.buf); 1114 /* In this block, the space is visible.
1642 startlen = sl.len;
1643 /*Extendedmapinfo structure initialisation*/
1644 if (socket.ext_mapinfos){
1645 esl.buf=(unsigned char*)malloc(MAXSOCKBUF);
1646 strcpy((char*)esl.buf,"mapextended ");
1647 esl.len=strlen((char*)esl.buf);
1648 extendedinfos=EMI_NOREDRAW;
1649 if (socket.EMI_smooth)
1650 extendedinfos|=EMI_SMOOTH;
1651 ewhatstart=esl.len;
1652 ewhatflag=extendedinfos; /*The EMI_NOREDRAW bit
1653 could need to be taken away*/
1654 SockList_AddChar(&esl, extendedinfos);
1655 eentrysize=getExtendedMapInfoSize(&socket);
1656 SockList_AddChar(&esl, eentrysize);
1657 estartlen = esl.len;
1658 } else {
1659 /* suppress compiler warnings */
1660 ewhatstart = 0;
1661 ewhatflag = 0;
1662 estartlen = 0;
1663 }
1664 /* Init data to zero */
1665 memset(heads, 0, sizeof(object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1666
1667 /* x,y are the real map locations. ax, ay are viewport relative
1668 * locations.
1669 */ 1115 */
1670 ay=0;
1671 1116
1672 /* We could do this logic as conditionals in the if statement,
1673 * but that started to get a bit messy to look at.
1674 */
1675 max_x = pl->x+(socket.mapx+1)/2;
1676 max_y = pl->y+(socket.mapy+1)/2;
1677 if (socket.mapmode == Map1aCmd) {
1678 max_x += MAX_HEAD_OFFSET;
1679 max_y += MAX_HEAD_OFFSET;
1680 }
1681
1682 for(y=pl->y-socket.mapy/2; y<max_y; y++,ay++) {
1683 ax=0;
1684 for(x=pl->x-socket.mapx/2;x<max_x;x++,ax++) {
1685
1686 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1687
1688 /* If this space is out of the normal viewable area, we only check
1689 * the heads value ax or ay will only be greater than what
1690 * the client wants if using the map1a command - this is because
1691 * if the map1a command is not used, max_x and max_y will be
1692 * set to lower values.
1693 */
1694 if (ax >= socket.mapx || ay >= socket.mapy) {
1695 int i, got_one;
1696
1697 oldlen = sl.len;
1698
1699 SockList_AddShort(&sl, mask);
1700
1701 if (check_head (sl, socket, ax, ay, 2))
1702 mask |= 0x4;
1703 if (check_head (sl, socket, ax, ay, 1))
1704 mask |= 0x2;
1705 if (check_head (sl, socket, ax, ay, 0))
1706 mask |= 0x1;
1707
1708 /* If all we are doing is sending 0 (blank) faces, we don't
1709 * actually need to send that - just the coordinates
1710 * with no faces tells the client to blank out the
1711 * space.
1712 */
1713 got_one=0;
1714 for (i=oldlen+2; i<sl.len; i++) {
1715 if (sl.buf[i]) got_one=1;
1716 }
1717
1718 if (got_one && (mask & 0xf)) {
1719 sl.buf[oldlen+1] = mask & 0xff;
1720 } else { /*either all faces blank, either no face at all*/
1721 if (mask & 0xf) /*at least 1 face, we know it's blank, only send coordinates*/
1722 sl.len = oldlen + 2;
1723 else
1724 sl.len = oldlen;
1725 }
1726 /*What concerns extendinfos, nothing to be done for now
1727 * (perhaps effects layer later)
1728 */
1729 continue; /* don't do processing below */
1730 }
1731
1732 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1733
1734 d = pl->contr->blocked_los[ax][ay];
1735
1736 /* If the coordinates are not valid, or it is too dark to see,
1737 * we tell the client as such
1738 */
1739 nx=x;
1740 ny=y;
1741 m = get_map_from_coord(pl->map, &nx, &ny);
1742 if (!m) {
1743 /* space is out of map. Update space and clear values
1744 * if this hasn't already been done. If the space is out
1745 * of the map, it shouldn't have a head
1746 */
1747 if (lastcell.count != -1) {
1748 SockList_AddShort(&sl, mask);
1749 map_clearcell(&lastcell,0,0,0,-1);
1750 }
1751 } else if (d>3) {
1752 int need_send=0, count;
1753 /* This block deals with spaces that are not visible for whatever
1754 * reason. Still may need to send the head for this space.
1755 */
1756
1757 oldlen = sl.len;
1758
1759 SockList_AddShort(&sl, mask);
1760 if (lastcell.count != -1) need_send=1;
1761 count = -1;
1762
1763 if (socket.mapmode == Map1aCmd && have_head(ax, ay)) {
1764 /* Now check to see if any heads need to be sent */
1765
1766 if (check_head (sl, socket, ax, ay, 2))
1767 mask |= 0x4;
1768 if (check_head (sl, socket, ax, ay, 1))
1769 mask |= 0x2;
1770 if (check_head (sl, socket, ax, ay, 0))
1771 mask |= 0x1;
1772
1773 lastcell.count = count;
1774
1775 } else {
1776 struct MapCell *cell = &lastcell;
1777 /* properly clear a previously sent big face */
1778 if(cell->faces[0] != 0
1779 || cell->faces[1] != 0
1780 || cell->faces[2] != 0)
1781 need_send = 1;
1782 map_clearcell(&lastcell, 0, 0, 0, count);
1783 }
1784
1785 if ((mask & 0xf) || need_send) {
1786 sl.buf[oldlen+1] = mask & 0xff;
1787 } else {
1788 sl.len = oldlen;
1789 }
1790 } else {
1791 /* In this block, the space is visible or there are head objects
1792 * we need to send.
1793 */
1794
1795 /* Rather than try to figure out what everything that we might 1117 /* Rather than try to figure out what everything that we might
1796 * need to send is, then form the packet after that, 1118 * need to send is, then form the packet after that,
1797 * we presume that we will in fact form a packet, and update 1119 * we presume that we will in fact form a packet, and update
1798 * the bits by what we do actually send. If we send nothing, 1120 * the bits by what we do actually send. If we send nothing,
1799 * we just back out sl.len to the old value, and no harm 1121 * we just back out sl.length () to the old value, and no harm
1800 * is done. 1122 * is done.
1801 * I think this is simpler than doing a bunch of checks to see 1123 * I think this is simpler than doing a bunch of checks to see
1802 * what if anything we need to send, setting the bits, then 1124 * what if anything we need to send, setting the bits, then
1803 * doing those checks again to add the real data. 1125 * doing those checks again to add the real data.
1804 */ 1126 */
1805 oldlen = sl.len; 1127 oldlen = sl.length ();
1806 mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1807 eoldlen = esl.len;
1808 emask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1809 SockList_AddShort(&sl, mask);
1810 1128
1811 if (socket.ext_mapinfos) 1129 sl << uint16 (mask);
1812 SockList_AddShort(&esl, emask);
1813 1130
1814 unsigned char dummy; 1131 unsigned char dummy;
1815 unsigned char *last_ext = &dummy; 1132 unsigned char *last_ext = &dummy;
1816 1133
1817 /* Darkness changed */ 1134 /* Darkness changed */
1818 if (lastcell.count != d && socket.darkness) { 1135 if (lastcell.count != d)
1136 {
1819 mask |= 0x8; 1137 mask |= 0x8;
1820 1138
1821 if (socket.extmap) 1139 *last_ext |= 0x80;
1822 { 1140 last_ext = &sl[sl.length ()];
1823 *last_ext |= 0x80; last_ext = sl.buf + sl.len; SockList_AddChar (&sl, d); 1141 sl << uint8 (d);
1824 } 1142 }
1825 else
1826 SockList_AddChar (&sl, 255 - 64 * d);
1827 }
1828 1143
1829 lastcell.count = d; 1144 lastcell.count = d;
1830 1145
1831 if (socket.extmap) 1146 mapspace &ms = m->at (nx, ny);
1147 ms.update ();
1148
1149 // extmap handling
1150 uint8 stat_hp = 0;
1151 uint8 stat_width = 0;
1152 uint8 flags = 0;
1153 tag_t player = 0;
1154
1155 // send hp information, if applicable
1156 if (object *op = ms.faces_obj [0])
1157 if (op->is_head () && !op->invisible)
1158 {
1159 if (op->stats.maxhp > op->stats.hp
1160 && op->stats.maxhp > 0
1161 && (op->type == PLAYER
1162 || op->type == DOOR // does not work, have maxhp 0
1163 || QUERY_FLAG (op, FLAG_MONSTER)
1164 || QUERY_FLAG (op, FLAG_ALIVE)
1165 || QUERY_FLAG (op, FLAG_GENERATOR)))
1832 { 1166 {
1833 uint8 stat_hp = 0;
1834 uint8 stat_width = 0;
1835
1836 // send hp information, if applicable
1837 if (object *op = GET_MAP_FACE_OBJ (m, nx, ny, 0))
1838 if (!op->head
1839 && op->stats.maxhp > 0
1840 && (unsigned)op->stats.maxhp > (unsigned)op->stats.hp
1841 && IS_LIVE (op))
1842 {
1843 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; 1167 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1844 stat_width = op->arch->tail_x; 1168 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1845 }
1846
1847 if (lastcell.stat_hp != stat_hp)
1848 {
1849 lastcell.stat_hp = stat_hp;
1850
1851 mask |= 0x8;
1852 *last_ext |= 0x80; last_ext = sl.buf + sl.len; SockList_AddChar (&sl, 5);
1853 SockList_AddChar (&sl, stat_hp);
1854
1855 if (stat_width > 1)
1856 {
1857 *last_ext |= 0x80; last_ext = sl.buf + sl.len; SockList_AddChar (&sl, 6);
1858 SockList_AddChar (&sl, stat_width);
1859 }
1860 }
1861 } 1169 }
1862 1170
1171 if (expect_false (op->has_dialogue ()))
1172 flags |= 1;
1173
1174 if (expect_false (op->type == PLAYER))
1175 player = op == ob ? pl->ob->count
1176 : op == pl->ob ? ob->count
1177 : op->count;
1178 }
1179
1180 if (expect_false (lastcell.stat_hp != stat_hp))
1181 {
1182 lastcell.stat_hp = stat_hp;
1183
1184 mask |= 0x8;
1185 *last_ext |= 0x80;
1186 last_ext = &sl[sl.length ()];
1187
1188 sl << uint8 (5) << uint8 (stat_hp);
1189
1190 if (stat_width > 1)
1191 {
1192 *last_ext |= 0x80;
1193 last_ext = &sl[sl.length ()];
1194
1195 sl << uint8 (6) << uint8 (stat_width);
1196 }
1197 }
1198
1199 if (expect_false (lastcell.player != player))
1200 {
1201 lastcell.player = player;
1202
1203 mask |= 0x8;
1204 *last_ext |= 0x80;
1205 last_ext = &sl[sl.length ()];
1206
1207 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1208 }
1209
1210 if (expect_false (lastcell.flags != flags))
1211 {
1212 lastcell.flags = flags;
1213
1214 mask |= 0x8;
1215 *last_ext |= 0x80;
1216 last_ext = &sl[sl.length ()];
1217
1218 sl << uint8 (8) << uint8 (flags);
1219 }
1220
1221 // faces
1222
1863 /* Floor face */ 1223 /* Floor face */
1864 if (update_space(&sl, &socket, m, nx, ny, ax, ay, 2)) 1224 if (update_space (sl, socket, ms, lastcell, 2))
1865 mask |= 0x4; 1225 mask |= 0x4;
1866 1226
1867 if (socket.EMI_smooth)
1868 if (update_smooth(&esl, &socket, m, nx, ny, ax, ay, 2))
1869 emask |= 0x4;
1870
1871 /* Middle face */ 1227 /* Middle face */
1872 if (update_space(&sl, &socket, m, nx, ny, ax, ay, 1)) 1228 if (update_space (sl, socket, ms, lastcell, 1))
1873 mask |= 0x2; 1229 mask |= 0x2;
1874 1230
1875 if (socket.EMI_smooth) 1231 if (expect_false (ob->invisible)
1876 if (update_smooth(&esl, &socket, m, nx, ny, ax, ay, 1)) 1232 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1877 emask |= 0x2; 1233 && ms.player () == ob)
1878 1234 {
1879 if(nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1)) { 1235 // force player to be visible to himself if invisible
1880 if (lastcell.faces[0] != pl->face->number) { 1236 if (lastcell.faces[0] != ob->face)
1881 lastcell.faces[0] = pl->face->number; 1237 {
1882 mask |= 0x1; 1238 lastcell.faces[0] = ob->face;
1883 if (!(socket.faces_sent[pl->face->number] &NS_FACESENT_FACE)) 1239
1884 esrv_send_face(&socket, pl->face->number, 0); 1240 mask |= 0x1;
1885 SockList_AddShort(&sl, pl->face->number); 1241 sl << uint16 (ob->face);
1886 } 1242
1887 } 1243 socket.send_faces (ob);
1888 /* Top face */ 1244 }
1889 else { 1245 }
1890 if (update_space(&sl, &socket, m, nx, ny, ax, ay, 0)) 1246 /* Top face */
1247 else if (update_space (sl, socket, ms, lastcell, 0))
1891 mask |= 0x1; 1248 mask |= 0x1;
1892 if (socket.EMI_smooth) 1249
1893 if (update_smooth(&esl, &socket, m, nx, ny, ax, ay, 0)){
1894 emask |= 0x1;
1895 }
1896 }
1897 /* Check to see if we are in fact sending anything for this 1250 /* Check to see if we are in fact sending anything for this
1898 * space by checking the mask. If so, update the mask. 1251 * space by checking the mask. If so, update the mask.
1899 * if not, reset the len to that from before adding the mask 1252 * if not, reset the len to that from before adding the mask
1900 * value, so we don't send those bits. 1253 * value, so we don't send those bits.
1901 */
1902 if (mask & 0xf) {
1903 sl.buf[oldlen+1] = mask & 0xff;
1904 } else {
1905 sl.len = oldlen;
1906 }
1907 if (emask & 0xf) {
1908 esl.buf[eoldlen+1] = emask & 0xff;
1909 } else {
1910 esl.len = eoldlen;
1911 }
1912 } /* else this is a viewable space */
1913 } /* for x loop */
1914 } /* for y loop */
1915
1916 /* Verify that we in fact do need to send this */
1917 if (socket.ext_mapinfos){
1918 if (!(sl.len>startlen || socket.sent_scroll)){
1919 /* No map data will follow, so don't say the client
1920 * it doesn't need draw!
1921 */ 1254 */
1922 ewhatflag&=(~EMI_NOREDRAW); 1255 if (mask & 0xf)
1923 esl.buf[ewhatstart+1] = ewhatflag & 0xff; 1256 sl[oldlen + 1] = mask & 0xff;
1924 } 1257 else
1925 if (esl.len>estartlen) { 1258 sl.reset (oldlen);
1926 Send_With_Handling(&socket, &esl); 1259 } /* else this is a viewable space */
1927 } 1260 ordered_mapwalk_end
1928 free(esl.buf); 1261
1929 } 1262 socket.flush_fx ();
1263
1930 if (sl.len>startlen || socket.sent_scroll) { 1264 if (sl.length () > startlen || socket.sent_scroll)
1931 Send_With_Handling(&socket, &sl);
1932 socket.sent_scroll = 0;
1933 }
1934 free(sl.buf);
1935}
1936
1937/**
1938 * Draws client map.
1939 */
1940void draw_client_map(object *pl)
1941{
1942 int i,j;
1943 sint16 ax, ay, nx, ny;/* ax and ay goes from 0 to max-size of arrays */
1944 New_Face *face,*floor;
1945 New_Face *floor2;
1946 int d, mflags;
1947 struct Map newmap;
1948 mapstruct *m, *pm;
1949
1950 if (pl->type != PLAYER) {
1951 LOG(llevError,"draw_client_map called with non player/non eric-server\n");
1952 return;
1953 }
1954
1955 if (pl->contr->transport) {
1956 pm = pl->contr->transport->map;
1957 }
1958 else
1959 pm = pl->map;
1960
1961 /* If player is just joining the game, he isn't here yet, so the map
1962 * can get swapped out. If so, don't try to send them a map. All will
1963 * be OK once they really log in.
1964 */
1965 if (pm==NULL || pm->in_memory!=MAP_IN_MEMORY) return;
1966
1967 memset(&newmap, 0, sizeof(struct Map));
1968
1969 for(j = (pl->y - pl->contr->socket.mapy/2) ; j < (pl->y + (pl->contr->socket.mapy+1)/2); j++) {
1970 for(i = (pl->x - pl->contr->socket.mapx/2) ; i < (pl->x + (pl->contr->socket.mapx+1)/2); i++) {
1971 ax=i;
1972 ay=j;
1973 m = pm;
1974 mflags = get_map_flags(m, &m, ax, ay, &ax, &ay);
1975 if (mflags & P_OUT_OF_MAP)
1976 continue;
1977 if (mflags & P_NEED_UPDATE)
1978 update_position(m, ax, ay);
1979 /* If a map is visible to the player, we don't want to swap it out
1980 * just to reload it. This should really call something like
1981 * swap_map, but this is much more efficient and 'good enough'
1982 */
1983 if (mflags & P_NEW_MAP)
1984 m->timeout = 50;
1985 }
1986 }
1987 /* do LOS after calls to update_position */
1988 if(pl->contr->do_los) {
1989 update_los(pl);
1990 pl->contr->do_los = 0;
1991 }
1992
1993 if (pl->contr->socket.mapmode == Map1Cmd || pl->contr->socket.mapmode == Map1aCmd) {
1994 /* Big maps need a different drawing mechanism to work */
1995 draw_client_map1(pl);
1996 return;
1997 }
1998 1265 {
1999 if(pl->invisible & (pl->invisible < 50 ? 4 : 1)) { 1266 socket.send_packet (sl);
2000 esrv_map_setbelow(&pl->contr->socket,pl->contr->socket.mapx/2, 1267 socket.sent_scroll = 0;
2001 pl->contr->socket.mapy/2,pl->face->number,&newmap);
2002 } 1268 }
2003
2004 /* j and i are the y and x coordinates of the real map (which is
2005 * basically some number of spaces around the player)
2006 * ax and ay are values from within the viewport (ie, 0, 0 is upper
2007 * left corner) and are thus disconnected from the map values.
2008 * Subtract 1 from the max values so that we properly handle cases where
2009 * player has specified an even map. Otherwise, we try to send them too
2010 * much, ie, if mapx is 10, we would try to send from -5 to 5, which is actually
2011 * 11 spaces. Now, we would send from -5 to 4, which is properly. If mapx is
2012 * odd, this still works fine.
2013 */
2014 ay=0;
2015 for(j=pl->y-pl->contr->socket.mapy/2; j<=pl->y+(pl->contr->socket.mapy-1)/2;j++, ay++) {
2016 ax=0;
2017 for(i=pl->x-pl->contr->socket.mapx/2;i<=pl->x+(pl->contr->socket.mapx-1)/2;i++, ax++) {
2018
2019 d = pl->contr->blocked_los[ax][ay];
2020 /* note the out_of_map and d>3 checks are both within the same
2021 * negation check.
2022 */
2023 nx = i;
2024 ny = j;
2025 m = get_map_from_coord(pm, &nx, &ny);
2026 if (m && d<4) {
2027 face = GET_MAP_FACE(m, nx, ny,0);
2028 floor2 = GET_MAP_FACE(m, nx, ny,1);
2029 floor = GET_MAP_FACE(m, nx, ny,2);
2030
2031 /* If all is blank, send a blank face. */
2032 if ((!face || face == blank_face) &&
2033 (!floor2 || floor2 == blank_face) &&
2034 (!floor || floor == blank_face)) {
2035 esrv_map_setbelow(&pl->contr->socket,ax,ay,
2036 blank_face->number,&newmap);
2037 } else { /* actually have something interesting */
2038 /* send the darkness mask, if any. */
2039 if (d && pl->contr->socket.darkness)
2040 esrv_map_setbelow(&pl->contr->socket,ax,ay,
2041 dark_faces[d-1]->number,&newmap);
2042
2043 if (face && face != blank_face)
2044 esrv_map_setbelow(&pl->contr->socket,ax,ay,
2045 face->number,&newmap);
2046 if (floor2 && floor2 != blank_face)
2047 esrv_map_setbelow(&pl->contr->socket,ax,ay,
2048 floor2->number,&newmap);
2049 if (floor && floor != blank_face)
2050 esrv_map_setbelow(&pl->contr->socket,ax,ay,
2051 floor->number,&newmap);
2052 }
2053 } /* Is a valid space */
2054 }
2055 }
2056 esrv_map_doneredraw(&pl->contr->socket, &newmap);
2057
2058 check_map_change (pl->contr);
2059} 1269}
2060
2061 1270
2062/*****************************************************************************/ 1271/*****************************************************************************/
2063/* GROS: The following one is used to allow a plugin to send a generic cmd to*/ 1272/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
2064/* a player. Of course, the client need to know the command to be able to */ 1273/* a player. Of course, the client need to know the command to be able to */
2065/* manage it ! */ 1274/* manage it ! */
2066/*****************************************************************************/ 1275/*****************************************************************************/
1276void
2067void send_plugin_custom_message(object *pl, char *buf) 1277send_plugin_custom_message (object *pl, char *buf)
2068{ 1278{
2069 cs_write_string(&pl->contr->socket,buf,strlen(buf)); 1279 pl->contr->ns->send_packet (buf);
2070}
2071
2072/**
2073 * This sends the skill number to name mapping. We ignore
2074 * the params - we always send the same info no matter what.
2075 */
2076void send_skill_info(NewSocket *ns, char *params)
2077{
2078 SockList sl;
2079 int i;
2080
2081 sl.buf = (unsigned char*) malloc(MAXSOCKBUF);
2082 strcpy((char*)sl.buf,"replyinfo skill_info\n");
2083 for (i=1; i< NUM_SKILLS; i++) {
2084 sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", i + CS_STAT_SKILLINFO,
2085 skill_names[i]);
2086 }
2087 sl.len = strlen((char*)sl.buf);
2088 if (sl.len >= MAXSOCKBUF) {
2089 LOG(llevError,"Buffer overflow in send_skill_info!\n");
2090 fatal(0);
2091 }
2092 Send_With_Handling(ns, &sl);
2093 free(sl.buf);
2094}
2095
2096/**
2097 * This sends the spell path to name mapping. We ignore
2098 * the params - we always send the same info no matter what.
2099 */
2100void send_spell_paths (NewSocket *ns, char *params) {
2101 SockList sl;
2102 int i;
2103
2104 sl.buf = (unsigned char*) malloc(MAXSOCKBUF);
2105 strcpy((char*)sl.buf,"replyinfo spell_paths\n");
2106 for(i=0; i<NRSPELLPATHS; i++)
2107 sprintf((char*)sl.buf + strlen((char*)sl.buf), "%d:%s\n", 1<<i, spellpathnames[i]);
2108 sl.len = strlen((char*)sl.buf);
2109 if (sl.len >= MAXSOCKBUF) {
2110 LOG(llevError,"Buffer overflow in send_spell_paths!\n");
2111 fatal(0);
2112 }
2113 Send_With_Handling(ns, &sl);
2114 free(sl.buf);
2115} 1280}
2116 1281
2117/** 1282/**
2118 * This looks for any spells the player may have that have changed their stats. 1283 * This looks for any spells the player may have that have changed their stats.
2119 * it then sends an updspell packet for each spell that has changed in this way 1284 * it then sends an updspell packet for each spell that has changed in this way
2120 */ 1285 */
1286void
2121void esrv_update_spells(player *pl) { 1287esrv_update_spells (player *pl)
2122 SockList sl; 1288{
2123 int flags=0; 1289 if (!pl->ns)
2124 object *spell; 1290 return;
2125 if (!pl->socket.monitor_spells) return; 1291
1292 if (!pl->ns->monitor_spells)
1293 return;
1294
2126 for (spell=pl->ob->inv; spell!=NULL; spell=spell->below) { 1295 for (object *spell = pl->ob->inv; spell; spell = spell->below)
1296 {
2127 if (spell->type == SPELL) { 1297 if (spell->type == SPELL)
1298 {
1299 int flags = 0;
1300
2128 /* check if we need to update it*/ 1301 /* check if we need to update it */
2129 if (spell->last_sp != SP_level_spellpoint_cost(pl->ob, spell, SPELL_MANA)) { 1302 if (spell->cached_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))
1303 {
2130 spell->last_sp = SP_level_spellpoint_cost(pl->ob, spell, SPELL_MANA); 1304 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
2131 flags |= UPD_SP_MANA; 1305 flags |= UPD_SP_MANA;
1306 }
1307
1308 if (spell->cached_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))
1309 {
1310 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1311 flags |= UPD_SP_GRACE;
1312 }
1313
1314 if (spell->cached_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))
1315 {
1316 spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
1317 flags |= UPD_SP_DAMAGE;
1318 }
1319
1320 if (flags)
1321 {
1322 packet sl;
1323
1324 sl << "updspell "
1325 << uint8 (flags)
1326 << uint32 (spell->count);
1327
1328 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1329 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->cached_grace);
1330 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->cached_eat);
1331
1332 pl->ns->send_packet (sl);
1333 }
1334 }
2132 } 1335 }
2133 if (spell->last_grace != SP_level_spellpoint_cost(pl->ob, spell, SPELL_GRACE)) {
2134 spell->last_grace = SP_level_spellpoint_cost(pl->ob, spell, SPELL_GRACE);
2135 flags |= UPD_SP_GRACE;
2136 }
2137 if (spell->last_eat != spell->stats.dam+SP_level_dam_adjust(pl->ob, spell)) {
2138 spell->last_eat = spell->stats.dam+SP_level_dam_adjust(pl->ob, spell);
2139 flags |= UPD_SP_DAMAGE;
2140 }
2141 if (flags !=0) {
2142 sl.buf =(unsigned char*) malloc(MAXSOCKBUF);
2143 strcpy((char*)sl.buf,"updspell ");
2144 sl.len=strlen((char*)sl.buf);
2145 SockList_AddChar(&sl, flags);
2146 SockList_AddInt(&sl, spell->count);
2147 if (flags & UPD_SP_MANA) SockList_AddShort(&sl, spell->last_sp);
2148 if (flags & UPD_SP_GRACE) SockList_AddShort(&sl, spell->last_grace);
2149 if (flags & UPD_SP_DAMAGE) SockList_AddShort(&sl, spell->last_eat);
2150 flags = 0;
2151 Send_With_Handling(&pl->socket, &sl);
2152 free(sl.buf);
2153 }
2154 }
2155 }
2156} 1336}
2157 1337
1338void
2158void esrv_remove_spell(player *pl, object *spell) { 1339esrv_remove_spell (player *pl, object *spell)
2159 SockList sl; 1340{
1341 if (!pl->ns->monitor_spells)
1342 return;
2160 1343
2161 if (!pl->socket.monitor_spells) return;
2162 if (!pl || !spell || spell->env != pl->ob) { 1344 if (!pl || !spell || spell->env != pl->ob)
1345 {
2163 LOG(llevError, "Invalid call to esrv_remove_spell"); 1346 LOG (llevError, "Invalid call to esrv_remove_spell");
2164 return; 1347 return;
2165 } 1348 }
2166 sl.buf = (unsigned char*) malloc(MAXSOCKBUF); 1349
2167 strcpy((char*)sl.buf,"delspell "); 1350 packet sl ("delspell");
2168 sl.len=strlen((char*)sl.buf); 1351
2169 SockList_AddInt(&sl, spell->count); 1352 sl << uint32 (spell->count);
2170 Send_With_Handling(&pl->socket, &sl); 1353
2171 free(sl.buf); 1354 pl->ns->send_packet (sl);
2172} 1355}
2173 1356
2174/* appends the spell *spell to the Socklist we will send the data to. */ 1357/* appends the spell *spell to the Socklist we will send the data to. */
1358static void
2175static void append_spell (player *pl, SockList *sl, object *spell) { 1359append_spell (player *pl, packet &sl, object *spell)
1360{
2176 int len, i, skill=0; 1361 int i, skill = 0;
2177 1362
2178 if (!(spell->name)) { 1363 if (!(spell->name))
1364 {
2179 LOG(llevError, "item number %d is a spell with no name.\n", spell->count); 1365 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2180 return; 1366 return;
2181 } 1367 }
2182 SockList_AddInt(sl, spell->count); 1368
2183 SockList_AddShort(sl, spell->level);
2184 SockList_AddShort(sl, spell->casting_time);
2185 /* store costs and damage in the object struct, to compare to later */ 1369 /* store costs and damage in the object struct, to compare to later */
2186 spell->last_sp = SP_level_spellpoint_cost(pl->ob, spell, SPELL_MANA); 1370 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
2187 spell->last_grace = SP_level_spellpoint_cost(pl->ob, spell, SPELL_GRACE); 1371 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
2188 spell->last_eat = spell->stats.dam+SP_level_dam_adjust(pl->ob, spell); 1372 spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
2189 /* send the current values */
2190 SockList_AddShort(sl, spell->last_sp);
2191 SockList_AddShort(sl, spell->last_grace);
2192 SockList_AddShort(sl, spell->last_eat);
2193 1373
2194 /* figure out which skill it uses, if it uses one */ 1374 /* figure out which skill it uses, if it uses one */
2195 if (spell->skill) { 1375 if (spell->skill)
2196 for (i=1; i< NUM_SKILLS; i++) 1376 if (object *tmp = pl->find_skill (spell->skill))
2197 if (!strcmp(spell->skill, skill_names[i])) { 1377 skill = tmp->subtype + CS_STAT_SKILLINFO;
2198 skill = i+CS_STAT_SKILLINFO; 1378
2199 break; 1379 // spells better have a face
1380 if (!spell->face)
1381 {
1382 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1383 spell->face = face_find ("burnout.x11", blank_face);
2200 } 1384 }
2201 }
2202 SockList_AddChar(sl, skill);
2203 1385
2204 SockList_AddInt(sl, spell->path_attuned); 1386 pl->ns->send_face (spell->face);
2205 SockList_AddInt(sl, (spell->face)?spell->face->number:0);
2206 1387
2207 len = strlen(spell->name); 1388 /* send the current values */
2208 SockList_AddChar(sl, (char)len); 1389 sl << uint32 (spell->count)
2209 memcpy(sl->buf+sl->len, spell->name, len); 1390 << uint16 (spell->level)
2210 sl->len+=len; 1391 << uint16 (spell->casting_time)
2211 1392 << uint16 (spell->cached_sp)
2212 if (!spell->msg) { 1393 << uint16 (spell->cached_grace)
2213 SockList_AddShort(sl, 0); 1394 << uint16 (spell->cached_eat)
2214 } 1395 << uint8 (skill)
2215 else { 1396 << uint32 (spell->path_attuned)
2216 len = strlen(spell->msg); 1397 << uint32 (spell->face)
2217 SockList_AddShort(sl, len); 1398 << data8 (spell->name)
2218 memcpy(sl->buf+sl->len, spell->msg, len); 1399 << data16 (spell->msg);
2219 sl->len+=len;
2220 }
2221} 1400}
2222 1401
2223/** 1402/**
2224 * This tells the client to add the spell *ob, if *ob is NULL, then add 1403 * This tells the client to add the spell *ob, if *ob is NULL, then add
2225 * all spells in the player's inventory. 1404 * all spells in the player's inventory.
2226 */ 1405 */
1406void
2227void esrv_add_spells(player *pl, object *spell) { 1407esrv_add_spells (player *pl, object *spell)
2228 SockList sl; 1408{
2229 if (!pl) { 1409 if (!pl)
1410 {
2230 LOG(llevError, "esrv_add_spells, tried to add a spell to a NULL player"); 1411 LOG (llevError, "esrv_add_spells, tried to add a spell to a NULL player");
2231 return; 1412 return;
2232 } 1413 }
2233 if (!pl->socket.monitor_spells) return; 1414
2234 sl.buf = (unsigned char*) malloc(MAXSOCKBUF); 1415 if (!pl->ns->monitor_spells)
2235 strcpy((char*)sl.buf,"addspell "); 1416 return;
2236 sl.len=strlen((char*)sl.buf); 1417
1418 packet sl ("addspell");
1419
2237 if (!spell) { 1420 if (!spell)
1421 {
2238 for (spell=pl->ob->inv; spell!=NULL; spell=spell->below) { 1422 for (spell = pl->ob->inv; spell; spell = spell->below)
1423 {
2239 /* were we to simply keep appending data here, we could exceed 1424 /* were we to simply keep appending data here, we could exceed
2240 * MAXSOCKBUF if the player has enough spells to add, we know that 1425 * MAXSOCKBUF if the player has enough spells to add, we know that
2241 * append_spells will always append 19 data bytes, plus 4 length 1426 * append_spells will always append 19 data bytes, plus 4 length
2242 * bytes and 3 strings (because that is the spec) so we need to 1427 * bytes and 3 strings (because that is the spec) so we need to
2243 * check that the length of those 3 strings, plus the 23 bytes, 1428 * check that the length of those 3 strings, plus the 23 bytes,
2244 * won't take us over the length limit for the socket, if it does, 1429 * won't take us over the length limit for the socket, if it does,
2245 * we need to send what we already have, and restart packet formation 1430 * we need to send what we already have, and restart packet formation
2246 */ 1431 */
1432 if (spell->type != SPELL)
1433 continue;
1434
2247 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1435 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
2248 * to show add_spell is 26 bytes + 2 strings. However, the overun 1436 * to show add_spell is 26 bytes + 2 strings. However, the overun
2249 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1437 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
2250 * like it will fix this 1438 * like it will fix this
2251 */ 1439 */
2252 if (spell->type != SPELL) continue; 1440 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
2253 if (sl.len >= (MAXSOCKBUF - (26 + strlen(spell->name) + 1441 {
2254 (spell->msg?strlen(spell->msg):0)))) { 1442 pl->ns->flush_fx ();
2255 Send_With_Handling(&pl->socket, &sl); 1443 pl->ns->send_packet (sl);
2256 strcpy((char*)sl.buf,"addspell "); 1444
2257 sl.len=strlen((char*)sl.buf); 1445 sl.reset ();
1446 sl << "addspell ";
1447 }
1448
1449 append_spell (pl, sl, spell);
1450 }
2258 } 1451 }
1452 else if (spell->type != SPELL)
1453 {
1454 LOG (llevError, "Asked to send a non-spell object as a spell");
1455 return;
1456 }
1457 else
2259 append_spell(pl, &sl, spell); 1458 append_spell (pl, sl, spell);
2260 } 1459
2261 }
2262 else if (spell->type != SPELL) {
2263 LOG(llevError, "Asked to send a non-spell object as a spell");
2264 return;
2265 }
2266 else append_spell(pl, &sl, spell);
2267 if (sl.len >= MAXSOCKBUF) { 1460 if (sl.length () > MAXSOCKBUF)
1461 {
2268 LOG(llevError,"Buffer overflow in esrv_add_spells!\n"); 1462 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
2269 fatal(0); 1463 fatal (0);
2270 } 1464 }
1465
2271 /* finally, we can send the packet */ 1466 /* finally, we can send the packet */
2272 Send_With_Handling(&pl->socket, &sl); 1467 pl->ns->flush_fx ();
2273 free(sl.buf); 1468 pl->ns->send_packet (sl);
2274} 1469}
2275 1470
1471//-GPL
1472

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