| 1 |
/* |
| 2 |
* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
| 3 |
* |
| 4 |
* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
| 5 |
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992,2007 Frank Tore Johansen |
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* |
| 8 |
* Crossfire TRT is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
| 10 |
* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
| 14 |
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 15 |
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 16 |
* for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
| 19 |
* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
| 20 |
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* The authors can be reached via e-mail to <crossfire@schmorp.de> |
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*/ |
| 24 |
|
| 25 |
/** |
| 26 |
* \file |
| 27 |
* Basic client output functions. |
| 28 |
* |
| 29 |
* \date 2003-12-02 |
| 30 |
* |
| 31 |
* This file implements some of the simpler output functions to the |
| 32 |
* client. Basically, things like sending text strings along |
| 33 |
*/ |
| 34 |
|
| 35 |
#include <global.h> |
| 36 |
#include <sproto.h> |
| 37 |
#include <stdarg.h> |
| 38 |
#include <spells.h> |
| 39 |
#include <skills.h> |
| 40 |
|
| 41 |
/** |
| 42 |
* Draws a normal message on the client. It is pretty |
| 43 |
* much the same thing as the draw_info above, but takes a color |
| 44 |
* parameter. the esrv_drawinfo functions should probably be |
| 45 |
* replaced with this, just using black as the color. |
| 46 |
*/ |
| 47 |
static void |
| 48 |
esrv_print_msg (client *ns, int color, const char *str) |
| 49 |
{ |
| 50 |
ns->send_packet_printf ("drawinfo %d %s", color, str); |
| 51 |
} |
| 52 |
|
| 53 |
/** |
| 54 |
* Draws an extended message on the client. |
| 55 |
* ns the socket to send message to |
| 56 |
* color color informations (used mainly if client does not support message type) |
| 57 |
* type, |
| 58 |
* subtype type and subtype of text message |
| 59 |
* intro Intro message to send with main message if client does not support the message type |
| 60 |
* message The main message |
| 61 |
*/ |
| 62 |
static void |
| 63 |
esrv_print_ext_msg (client *ns, int color, uint8 type, uint8 subtype, const char *message) |
| 64 |
{ |
| 65 |
ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message); |
| 66 |
} |
| 67 |
|
| 68 |
/** |
| 69 |
* Frontend for esrv_print_msg |
| 70 |
* \param colr message color |
| 71 |
* \param pl player to send to. Can be NULL |
| 72 |
* \param tmp message to send. Can be NULL |
| 73 |
* |
| 74 |
* If pl is NULL or without contr set, writes message to log. |
| 75 |
* |
| 76 |
* Else sends message to player via esrv_print_msg |
| 77 |
*/ |
| 78 |
static void |
| 79 |
print_message (int colr, const object *pl, const char *tmp) |
| 80 |
{ |
| 81 |
if (!tmp) |
| 82 |
tmp = "[NULL]"; |
| 83 |
|
| 84 |
if (!pl || (pl->type == PLAYER && pl->contr == NULL)) |
| 85 |
return; |
| 86 |
|
| 87 |
if (pl->type == PLAYER) |
| 88 |
esrv_print_msg (pl->contr->ns, colr, (char *) tmp); |
| 89 |
} |
| 90 |
|
| 91 |
bool |
| 92 |
client::msg_suppressed (const char *msg) |
| 93 |
{ |
| 94 |
if (!pl) |
| 95 |
return false; |
| 96 |
|
| 97 |
if (pl->outputs_count <= 1 || !pl->outputs_sync) |
| 98 |
return false; |
| 99 |
|
| 100 |
int len = strlen (msg); |
| 101 |
|
| 102 |
if (len > MSG_BUF_SIZE) |
| 103 |
return false; |
| 104 |
|
| 105 |
msg_buf *lru = msgbuf; |
| 106 |
for (msg_buf *buf = msgbuf; buf < msgbuf + MSG_BUF_COUNT; ++buf) |
| 107 |
{ |
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if (len == buf->len && !memcmp (msg, buf->msg, len)) |
| 109 |
{ |
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// found matching buf, see if expired |
| 111 |
if (buf->expire <= pticks || !buf->count) |
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{ |
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// yes, take over matching buffer, print |
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buf->expire = pticks + pl->outputs_sync; |
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buf->count = pl->outputs_count; |
| 116 |
|
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return false; |
| 118 |
} |
| 119 |
|
| 120 |
// no, suppress |
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--buf->count; |
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return true; |
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} |
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|
| 125 |
if (lru->expire > buf->expire) |
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lru = buf; |
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} |
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|
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// new message, evoke oldest buffer |
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lru->expire = pticks + pl->outputs_sync; |
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lru->count = pl->outputs_count; |
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lru->len = len; |
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memcpy (lru->msg, msg, len); |
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|
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return false; |
| 136 |
} |
| 137 |
|
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/** |
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* Sends message to player(s). |
| 140 |
* |
| 141 |
* flags is various flags - mostly color, plus a few specials. |
| 142 |
* |
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* pri is priority. It is a little odd - the lower the value, the more |
| 144 |
* important it is. Thus, 0 gets sent no matter what. Otherwise, the |
| 145 |
* value must be less than the listening level that the player has set. |
| 146 |
* Unfortunately, there is no clear guideline on what each level does what. |
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* |
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* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set |
| 149 |
* in the flags. |
| 150 |
* |
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* If message is black, and not NDI_UNIQUE, gets sent through output buffers. |
| 152 |
* |
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*/ |
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void |
| 155 |
new_draw_info (int flags, int pri, const object *op, const char *buf) |
| 156 |
{ |
| 157 |
if (flags & NDI_ALL) |
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{ |
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for_all_players (pl) |
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new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf); |
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} |
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else |
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{ |
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if (!op || !op->contr || !op->contr->ns) |
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return; |
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|
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if (pri >= op->contr->listening) |
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return; |
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|
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if ((flags & (NDI_COLOR_MASK | NDI_UNIQUE)) != NDI_BLACK |
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|| !op->contr->ns->msg_suppressed (buf)) |
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print_message (flags & NDI_COLOR_MASK, op, buf); |
| 173 |
} |
| 174 |
} |
| 175 |
|
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/** |
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* Wrapper for new_draw_info printf-like. |
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* |
| 179 |
* This is a pretty trivial function, but it allows us to use printf style |
| 180 |
* formatting, so instead of the calling function having to do it, we do |
| 181 |
* it here. It may also have advantages in the future for reduction of |
| 182 |
* client/server bandwidth (client could keep track of various strings |
| 183 |
*/ |
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void |
| 185 |
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...) |
| 186 |
{ |
| 187 |
char buf[HUGE_BUF]; |
| 188 |
|
| 189 |
va_list ap; |
| 190 |
va_start (ap, format); |
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vsnprintf (buf, HUGE_BUF, format, ap); |
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va_end (ap); |
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|
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new_draw_info (flags, pri, pl, buf); |
| 195 |
} |
| 196 |
|
| 197 |
void |
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draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage) |
| 199 |
{ |
| 200 |
|
| 201 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
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return; |
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|
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if (pri >= pl->contr->listening) |
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return; |
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|
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if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
| 208 |
{ |
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char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1); |
| 210 |
|
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if (buf == NULL) |
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LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
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else |
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{ |
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strcpy (buf, oldmessage == NULL ? message : oldmessage); |
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strip_media_tag (buf); |
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new_draw_info (flags, pri, pl, buf); |
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free (buf); |
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} |
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} |
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else |
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esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message); |
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} |
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|
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void |
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draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
| 227 |
{ |
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char buf[HUGE_BUF]; |
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|
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if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
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return; |
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|
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if (pri >= pl->contr->listening) |
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return; |
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|
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if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
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{ |
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va_list ap; |
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|
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LOG (llevDebug, "Non supported extension text type for client.\n"); |
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va_start (ap, new_format); |
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vsnprintf (buf, HUGE_BUF, old_format, ap); |
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va_end (ap); |
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new_draw_info (flags, pri, pl, buf); |
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return; |
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} |
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else |
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{ |
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va_list ap; |
| 250 |
|
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va_start (ap, new_format); |
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vsnprintf (buf, HUGE_BUF, new_format, ap); |
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va_end (ap); |
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strip_media_tag (buf); |
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esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf); |
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} |
| 257 |
} |
| 258 |
|
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/** |
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* Writes to everyone on the map *except* op. This is useful for emotions. |
| 261 |
*/ |
| 262 |
|
| 263 |
void |
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new_info_map_except (int color, maptile * map, object *op, const char *str) |
| 265 |
{ |
| 266 |
for_all_players (pl) |
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if (pl->ob != NULL && pl->ob->map == map && pl->ob != op) |
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new_draw_info (color, 0, pl->ob, str); |
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} |
| 270 |
|
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/** |
| 272 |
* Writes to everyone on the map except op1 and op2 |
| 273 |
*/ |
| 274 |
|
| 275 |
void |
| 276 |
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
| 277 |
{ |
| 278 |
for_all_players (pl) |
| 279 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
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new_draw_info (color, 0, pl->ob, str); |
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} |
| 282 |
|
| 283 |
/** |
| 284 |
* Writes to everyone on the specified map |
| 285 |
*/ |
| 286 |
|
| 287 |
void |
| 288 |
new_info_map (int color, maptile * map, const char *str) |
| 289 |
{ |
| 290 |
for_all_players (pl) |
| 291 |
if (pl->ob != NULL && pl->ob->map == map) |
| 292 |
new_draw_info (color, 0, pl->ob, str); |
| 293 |
} |
| 294 |
|
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/** |
| 296 |
* This does nothing now. However, in theory, we should probably send |
| 297 |
* something to the client and let the client figure out how it might want |
| 298 |
* to handle this |
| 299 |
*/ |
| 300 |
void |
| 301 |
clear_win_info (object *op) |
| 302 |
{ |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* Sets player title. |
| 307 |
*/ |
| 308 |
void |
| 309 |
set_title (object *pl, char *buf) |
| 310 |
{ |
| 311 |
/* Eneq(@csd.uu.se): Let players define their own titles. */ |
| 312 |
if (pl->contr->own_title[0] == '\0') |
| 313 |
sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
| 314 |
else |
| 315 |
sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
| 316 |
} |
| 317 |
|
| 318 |
// formerly a macro, used only by magic map, so optimised it out |
| 319 |
static inline faceidx |
| 320 |
GET_MAP_FACE (maptile *m, int x, int y, int layer) |
| 321 |
{ |
| 322 |
if (object *op = GET_MAP_FACE_OBJ (m, x, y, layer)) |
| 323 |
return op->face; |
| 324 |
else |
| 325 |
return 0; |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* Helper for magic map creation. |
| 330 |
* |
| 331 |
* Takes a player, the map_mark array and an x and y starting position. |
| 332 |
* pl is the player. |
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* px, py are offsets from the player. |
| 334 |
* |
| 335 |
* This function examines all the adjacant spaces next to px, py. |
| 336 |
* It updates the map_mark arrow with the color and high bits set |
| 337 |
* for various code values. |
| 338 |
*/ |
| 339 |
static void |
| 340 |
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
| 341 |
{ |
| 342 |
int x, y, dx, dy, mflags; |
| 343 |
sint16 nx, ny; |
| 344 |
maptile *mp; |
| 345 |
|
| 346 |
for (dx = -1; dx <= 1; dx++) |
| 347 |
{ |
| 348 |
for (dy = -1; dy <= 1; dy++) |
| 349 |
{ |
| 350 |
x = px + dx; |
| 351 |
y = py + dy; |
| 352 |
|
| 353 |
if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF) |
| 354 |
continue; |
| 355 |
|
| 356 |
mp = pl->map; |
| 357 |
nx = pl->x + x; |
| 358 |
ny = pl->y + y; |
| 359 |
|
| 360 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
| 361 |
if (mflags & P_OUT_OF_MAP) |
| 362 |
continue; |
| 363 |
|
| 364 |
if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
| 365 |
{ |
| 366 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
| 367 |
if (f == blank_face) |
| 368 |
{ |
| 369 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
| 370 |
if (f == blank_face) |
| 371 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
| 372 |
} |
| 373 |
|
| 374 |
int magicmap = faces [f].magicmap; |
| 375 |
|
| 376 |
/* Should probably have P_NO_MAGIC here also, but then shops don't |
| 377 |
* work. |
| 378 |
*/ |
| 379 |
if (mflags & P_BLOCKSVIEW) |
| 380 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
| 381 |
else |
| 382 |
{ |
| 383 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
| 384 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
| 385 |
} |
| 386 |
} |
| 387 |
} |
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
/** |
| 392 |
* Creates magic map for player. |
| 393 |
* |
| 394 |
* Note: For improved magic mapping display, the space that blocks |
| 395 |
* the view is now marked with value 2. Any dependencies of map_mark |
| 396 |
* being nonzero have been changed to check for 1. Also, since |
| 397 |
* map_mark is a char value, putting 2 in should cause no problems. |
| 398 |
* |
| 399 |
* This function examines the map the player is on, and determines what |
| 400 |
* is visible. 2 is set for walls or objects that blocks view. 1 |
| 401 |
* is for open spaces. map_mark should already have been initialised |
| 402 |
* to zero before this is called. |
| 403 |
* strength is an initial strength*2 rectangular area that we automatically |
| 404 |
* see in/penetrate through. |
| 405 |
*/ |
| 406 |
void |
| 407 |
magic_mapping_mark (object *pl, char *map_mark, int strength) |
| 408 |
{ |
| 409 |
int x, y, mflags; |
| 410 |
sint16 nx, ny; |
| 411 |
maptile *mp; |
| 412 |
|
| 413 |
for (x = -strength; x < strength; x++) |
| 414 |
{ |
| 415 |
for (y = -strength; y < strength; y++) |
| 416 |
{ |
| 417 |
mp = pl->map; |
| 418 |
nx = pl->x + x; |
| 419 |
ny = pl->y + y; |
| 420 |
|
| 421 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
| 422 |
if (mflags & P_OUT_OF_MAP) |
| 423 |
continue; |
| 424 |
|
| 425 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
| 426 |
if (f == blank_face) |
| 427 |
{ |
| 428 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
| 429 |
if (f == blank_face) |
| 430 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
| 431 |
} |
| 432 |
|
| 433 |
int magicmap = faces [f].magicmap; |
| 434 |
|
| 435 |
if (mflags & P_BLOCKSVIEW) |
| 436 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
| 437 |
else |
| 438 |
{ |
| 439 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
| 440 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
| 441 |
} |
| 442 |
} |
| 443 |
} |
| 444 |
} |
| 445 |
|
| 446 |
/** |
| 447 |
* Creates and sends magic map to player. |
| 448 |
* |
| 449 |
* The following function is a lot messier than it really should be, |
| 450 |
* but there is no real easy solution. |
| 451 |
* |
| 452 |
* Mark Wedel |
| 453 |
*/ |
| 454 |
void |
| 455 |
draw_magic_map (object *pl) |
| 456 |
{ |
| 457 |
char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
| 458 |
int xmin, xmax, ymin, ymax; |
| 459 |
|
| 460 |
if (pl->type != PLAYER) |
| 461 |
{ |
| 462 |
LOG (llevError, "Non player object called draw_map.\n"); |
| 463 |
return; |
| 464 |
} |
| 465 |
|
| 466 |
/* First, we figure out what spaces are 'reachable' by the player */ |
| 467 |
magic_mapping_mark (pl, map_mark, 3); |
| 468 |
|
| 469 |
/* We now go through and figure out what spaces have been |
| 470 |
* marked, and thus figure out rectangular region we send |
| 471 |
* to the client (eg, if only a 10x10 area is visible, we only |
| 472 |
* want to send those 100 spaces.) |
| 473 |
*/ |
| 474 |
xmin = MAGIC_MAP_SIZE; |
| 475 |
ymin = MAGIC_MAP_SIZE; |
| 476 |
xmax = 0; |
| 477 |
ymax = 0; |
| 478 |
|
| 479 |
for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
| 480 |
for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
| 481 |
if (map_mark[x + pl->map->width * y] | FACE_FLOOR) |
| 482 |
{ |
| 483 |
xmin = x < xmin ? x : xmin; |
| 484 |
xmax = x > xmax ? x : xmax; |
| 485 |
ymin = y < ymin ? y : ymin; |
| 486 |
ymax = y > ymax ? y : ymax; |
| 487 |
} |
| 488 |
|
| 489 |
packet sl; |
| 490 |
sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
| 491 |
MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
| 492 |
|
| 493 |
for (int y = ymin; y <= ymax; y++) |
| 494 |
for (int x = xmin; x <= xmax; x++) |
| 495 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
| 496 |
|
| 497 |
pl->contr->ns->send_packet (sl); |
| 498 |
|
| 499 |
free (map_mark); |
| 500 |
} |
| 501 |
|
| 502 |
/** |
| 503 |
* Send a kill log record to sockets |
| 504 |
*/ |
| 505 |
void |
| 506 |
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType) |
| 507 |
{ |
| 508 |
size_t len; |
| 509 |
char buf[MAX_BUF]; |
| 510 |
|
| 511 |
if (With != NULL) |
| 512 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType); |
| 513 |
else |
| 514 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType); |
| 515 |
|
| 516 |
len = strlen (buf); |
| 517 |
} |
| 518 |
|
