| 1 |
/* |
| 2 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 |
* |
| 4 |
* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 |
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
| 6 |
* Copyright (©) 1992,2007 Frank Tore Johansen |
| 7 |
* |
| 8 |
* Deliantra is free software: you can redistribute it and/or modify |
| 9 |
* it under the terms of the GNU General Public License as published by |
| 10 |
* the Free Software Foundation, either version 3 of the License, or |
| 11 |
* (at your option) any later version. |
| 12 |
* |
| 13 |
* This program is distributed in the hope that it will be useful, |
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 |
* GNU General Public License for more details. |
| 17 |
* |
| 18 |
* You should have received a copy of the GNU General Public License |
| 19 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 |
* |
| 21 |
* The authors can be reached via e-mail to <support@deliantra.net> |
| 22 |
*/ |
| 23 |
|
| 24 |
/** |
| 25 |
* \file |
| 26 |
* Basic client output functions. |
| 27 |
* |
| 28 |
* \date 2003-12-02 |
| 29 |
* |
| 30 |
* This file implements some of the simpler output functions to the |
| 31 |
* client. Basically, things like sending text strings along |
| 32 |
*/ |
| 33 |
|
| 34 |
#include <global.h> |
| 35 |
#include <sproto.h> |
| 36 |
#include <stdarg.h> |
| 37 |
#include <spells.h> |
| 38 |
#include <skills.h> |
| 39 |
|
| 40 |
#include <cstring> |
| 41 |
|
| 42 |
/** |
| 43 |
* Draws a normal message on the client. It is pretty |
| 44 |
* much the same thing as the draw_info above, but takes a color |
| 45 |
* parameter. the esrv_drawinfo functions should probably be |
| 46 |
* replaced with this, just using black as the color. |
| 47 |
*/ |
| 48 |
static void |
| 49 |
esrv_print_msg (client *ns, int color, const char *str) |
| 50 |
{ |
| 51 |
ns->send_msg (color, "info", str); |
| 52 |
} |
| 53 |
|
| 54 |
/** |
| 55 |
* Draws an extended message on the client. |
| 56 |
* ns the socket to send message to |
| 57 |
* color color informations (used mainly if client does not support message type) |
| 58 |
* type, |
| 59 |
* subtype type and subtype of text message |
| 60 |
* intro Intro message to send with main message if client does not support the message type |
| 61 |
* message The main message |
| 62 |
*/ |
| 63 |
static void |
| 64 |
esrv_print_ext_msg (client *ns, int color, uint8 type, uint8 subtype, const char *message) |
| 65 |
{ |
| 66 |
ns->send_packet_printf ("drawextinfo %d %u %u %s", color, type, subtype, message); |
| 67 |
} |
| 68 |
|
| 69 |
/** |
| 70 |
* Frontend for esrv_print_msg |
| 71 |
* \param colr message color |
| 72 |
* \param pl player to send to. Can be NULL |
| 73 |
* \param tmp message to send. Can be NULL |
| 74 |
* |
| 75 |
* If pl is NULL or without contr set, writes message to log. |
| 76 |
* |
| 77 |
* Else sends message to player via esrv_print_msg |
| 78 |
*/ |
| 79 |
static void |
| 80 |
print_message (int colr, const object *pl, const char *tmp) |
| 81 |
{ |
| 82 |
if (!tmp) |
| 83 |
tmp = "[NULL]"; |
| 84 |
|
| 85 |
if (!pl || (pl->type == PLAYER && pl->contr == NULL)) |
| 86 |
return; |
| 87 |
|
| 88 |
if (pl->type == PLAYER) |
| 89 |
esrv_print_msg (pl->contr->ns, colr, (char *)tmp); |
| 90 |
} |
| 91 |
|
| 92 |
bool |
| 93 |
client::msg_suppressed (const char *msg) |
| 94 |
{ |
| 95 |
if (!pl) |
| 96 |
return false; |
| 97 |
|
| 98 |
if (pl->outputs_count <= 1 || !pl->outputs_sync) |
| 99 |
return false; |
| 100 |
|
| 101 |
int len = strlen (msg); |
| 102 |
|
| 103 |
if (len > MSG_BUF_SIZE) |
| 104 |
return false; |
| 105 |
|
| 106 |
msg_buf *lru = msgbuf; |
| 107 |
for (msg_buf *buf = msgbuf; buf < msgbuf + MSG_BUF_COUNT; ++buf) |
| 108 |
{ |
| 109 |
if (len == buf->len && !memcmp (msg, buf->msg, len)) |
| 110 |
{ |
| 111 |
// found matching buf, see if expired |
| 112 |
if (buf->expire <= pticks || !buf->count) |
| 113 |
{ |
| 114 |
// yes, take over matching buffer, print |
| 115 |
buf->expire = pticks + pl->outputs_sync; |
| 116 |
buf->count = pl->outputs_count; |
| 117 |
|
| 118 |
return false; |
| 119 |
} |
| 120 |
|
| 121 |
// no, suppress |
| 122 |
--buf->count; |
| 123 |
return true; |
| 124 |
} |
| 125 |
|
| 126 |
if (lru->expire > buf->expire) |
| 127 |
lru = buf; |
| 128 |
} |
| 129 |
|
| 130 |
// new message, evoke oldest buffer |
| 131 |
lru->expire = pticks + pl->outputs_sync; |
| 132 |
lru->count = pl->outputs_count; |
| 133 |
lru->len = len; |
| 134 |
memcpy (lru->msg, msg, len); |
| 135 |
|
| 136 |
return false; |
| 137 |
} |
| 138 |
|
| 139 |
/** |
| 140 |
* Sends message to player(s). |
| 141 |
* |
| 142 |
* flags is various flags - mostly color, plus a few specials. |
| 143 |
* |
| 144 |
* pri is unused. |
| 145 |
* |
| 146 |
* pl can be passed as NULL - in fact, this will be done if NDI_ALL is set |
| 147 |
* in the flags. |
| 148 |
* |
| 149 |
* If message is black, and not NDI_UNIQUE, gets sent through output buffers. |
| 150 |
* |
| 151 |
*/ |
| 152 |
void |
| 153 |
new_draw_info (int flags, int pri, const object *op, const char *buf) |
| 154 |
{ |
| 155 |
if (flags & NDI_ALL) |
| 156 |
{ |
| 157 |
for_all_players (pl) |
| 158 |
new_draw_info (flags & ~NDI_ALL, 0, pl->ob, buf); |
| 159 |
} |
| 160 |
else |
| 161 |
{ |
| 162 |
if (!op || !op->contr || !op->contr->ns) |
| 163 |
return; |
| 164 |
|
| 165 |
if ((flags & (NDI_COLOR_MASK | NDI_UNIQUE)) != NDI_BLACK |
| 166 |
|| !op->contr->ns->msg_suppressed (buf)) |
| 167 |
print_message (flags & NDI_COLOR_MASK, op, buf); |
| 168 |
} |
| 169 |
} |
| 170 |
|
| 171 |
/** |
| 172 |
* Wrapper for new_draw_info printf-like. |
| 173 |
* |
| 174 |
* This is a pretty trivial function, but it allows us to use printf style |
| 175 |
* formatting, so instead of the calling function having to do it, we do |
| 176 |
* it here. It may also have advantages in the future for reduction of |
| 177 |
* client/server bandwidth (client could keep track of various strings |
| 178 |
*/ |
| 179 |
void |
| 180 |
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...) |
| 181 |
{ |
| 182 |
char buf[HUGE_BUF]; |
| 183 |
|
| 184 |
va_list ap; |
| 185 |
va_start (ap, format); |
| 186 |
vsnprintf (buf, HUGE_BUF, format, ap); |
| 187 |
va_end (ap); |
| 188 |
|
| 189 |
new_draw_info (flags, pri, pl, buf); |
| 190 |
} |
| 191 |
|
| 192 |
void |
| 193 |
draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage) |
| 194 |
{ |
| 195 |
|
| 196 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
| 197 |
return; |
| 198 |
|
| 199 |
if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
| 200 |
{ |
| 201 |
char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1); |
| 202 |
|
| 203 |
if (buf == NULL) |
| 204 |
LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
| 205 |
else |
| 206 |
{ |
| 207 |
strcpy (buf, oldmessage == NULL ? message : oldmessage); |
| 208 |
strip_media_tag (buf); |
| 209 |
new_draw_info (flags, pri, pl, buf); |
| 210 |
free (buf); |
| 211 |
} |
| 212 |
} |
| 213 |
else |
| 214 |
esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, message); |
| 215 |
} |
| 216 |
|
| 217 |
void |
| 218 |
draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
| 219 |
{ |
| 220 |
char buf[HUGE_BUF]; |
| 221 |
|
| 222 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
| 223 |
return; |
| 224 |
|
| 225 |
if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
| 226 |
{ |
| 227 |
va_list ap; |
| 228 |
|
| 229 |
LOG (llevDebug, "Non supported extension text type for client.\n"); |
| 230 |
va_start (ap, new_format); |
| 231 |
vsnprintf (buf, HUGE_BUF, old_format, ap); |
| 232 |
va_end (ap); |
| 233 |
new_draw_info (flags, pri, pl, buf); |
| 234 |
return; |
| 235 |
} |
| 236 |
else |
| 237 |
{ |
| 238 |
va_list ap; |
| 239 |
|
| 240 |
va_start (ap, new_format); |
| 241 |
vsnprintf (buf, HUGE_BUF, new_format, ap); |
| 242 |
va_end (ap); |
| 243 |
strip_media_tag (buf); |
| 244 |
esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf); |
| 245 |
} |
| 246 |
} |
| 247 |
|
| 248 |
/** |
| 249 |
* Writes to everyone on the map *except* op. This is useful for emotions. |
| 250 |
*/ |
| 251 |
|
| 252 |
void |
| 253 |
new_info_map_except (int color, maptile * map, object *op, const char *str) |
| 254 |
{ |
| 255 |
for_all_players (pl) |
| 256 |
if (pl->ob->map == map && pl->ob != op) |
| 257 |
new_draw_info (color, 0, pl->ob, str); |
| 258 |
} |
| 259 |
|
| 260 |
/** |
| 261 |
* Writes to everyone on the map except op1 and op2 |
| 262 |
*/ |
| 263 |
void |
| 264 |
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
| 265 |
{ |
| 266 |
for_all_players (pl) |
| 267 |
if (pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
| 268 |
new_draw_info (color, 0, pl->ob, str); |
| 269 |
} |
| 270 |
|
| 271 |
/** |
| 272 |
* Writes to everyone on the specified map |
| 273 |
*/ |
| 274 |
void |
| 275 |
new_info_map (int color, maptile * map, const char *str) |
| 276 |
{ |
| 277 |
for_all_players (pl) |
| 278 |
if (pl->ob->map == map) |
| 279 |
new_draw_info (color, 0, pl->ob, str); |
| 280 |
} |
| 281 |
|
| 282 |
/** |
| 283 |
* Sets player title. |
| 284 |
*/ |
| 285 |
void |
| 286 |
set_title (object *pl, char *buf) |
| 287 |
{ |
| 288 |
/* Eneq(@csd.uu.se): Let players define their own titles. */ |
| 289 |
if (pl->contr->own_title[0] == '\0') |
| 290 |
sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
| 291 |
else |
| 292 |
sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
| 293 |
} |
| 294 |
|
| 295 |
// formerly a macro, used only by magic map, so optimised it out |
| 296 |
static inline faceidx |
| 297 |
GET_MAP_FACE (maptile *m, int x, int y, int layer) |
| 298 |
{ |
| 299 |
if (object *op = GET_MAP_FACE_OBJ (m, x, y, layer)) |
| 300 |
return op->face; |
| 301 |
else |
| 302 |
return 0; |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* Helper for magic map creation. |
| 307 |
* |
| 308 |
* Takes a player, the map_mark array and an x and y starting position. |
| 309 |
* pl is the player. |
| 310 |
* px, py are offsets from the player. |
| 311 |
* |
| 312 |
* This function examines all the adjacant spaces next to px, py. |
| 313 |
* It updates the map_mark arrow with the color and high bits set |
| 314 |
* for various code values. |
| 315 |
*/ |
| 316 |
static void |
| 317 |
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
| 318 |
{ |
| 319 |
int x, y, dx, dy, mflags; |
| 320 |
sint16 nx, ny; |
| 321 |
maptile *mp; |
| 322 |
|
| 323 |
for (dx = -1; dx <= 1; dx++) |
| 324 |
{ |
| 325 |
for (dy = -1; dy <= 1; dy++) |
| 326 |
{ |
| 327 |
x = px + dx; |
| 328 |
y = py + dy; |
| 329 |
|
| 330 |
if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF) |
| 331 |
continue; |
| 332 |
|
| 333 |
mp = pl->map; |
| 334 |
nx = pl->x + x; |
| 335 |
ny = pl->y + y; |
| 336 |
|
| 337 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
| 338 |
if (mflags & P_OUT_OF_MAP) |
| 339 |
continue; |
| 340 |
|
| 341 |
if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
| 342 |
{ |
| 343 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
| 344 |
if (f == blank_face) |
| 345 |
{ |
| 346 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
| 347 |
if (f == blank_face) |
| 348 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
| 349 |
} |
| 350 |
|
| 351 |
int magicmap = faces [f].magicmap; |
| 352 |
|
| 353 |
/* Should probably have P_NO_MAGIC here also, but then shops don't |
| 354 |
* work. |
| 355 |
*/ |
| 356 |
if (mflags & P_BLOCKSVIEW) |
| 357 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
| 358 |
else |
| 359 |
{ |
| 360 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
| 361 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
| 362 |
} |
| 363 |
} |
| 364 |
} |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
/** |
| 369 |
* Creates magic map for player. |
| 370 |
* |
| 371 |
* Note: For improved magic mapping display, the space that blocks |
| 372 |
* the view is now marked with value 2. Any dependencies of map_mark |
| 373 |
* being nonzero have been changed to check for 1. Also, since |
| 374 |
* map_mark is a char value, putting 2 in should cause no problems. |
| 375 |
* |
| 376 |
* This function examines the map the player is on, and determines what |
| 377 |
* is visible. 2 is set for walls or objects that blocks view. 1 |
| 378 |
* is for open spaces. map_mark should already have been initialised |
| 379 |
* to zero before this is called. |
| 380 |
* strength is an initial strength*2 rectangular area that we automatically |
| 381 |
* see in/penetrate through. |
| 382 |
*/ |
| 383 |
void |
| 384 |
magic_mapping_mark (object *pl, char *map_mark, int strength) |
| 385 |
{ |
| 386 |
int x, y, mflags; |
| 387 |
sint16 nx, ny; |
| 388 |
maptile *mp; |
| 389 |
|
| 390 |
for (x = -strength; x < strength; x++) |
| 391 |
{ |
| 392 |
for (y = -strength; y < strength; y++) |
| 393 |
{ |
| 394 |
mp = pl->map; |
| 395 |
nx = pl->x + x; |
| 396 |
ny = pl->y + y; |
| 397 |
|
| 398 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
| 399 |
if (mflags & P_OUT_OF_MAP) |
| 400 |
continue; |
| 401 |
|
| 402 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
| 403 |
if (f == blank_face) |
| 404 |
{ |
| 405 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
| 406 |
if (f == blank_face) |
| 407 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
| 408 |
} |
| 409 |
|
| 410 |
int magicmap = faces [f].magicmap; |
| 411 |
|
| 412 |
if (mflags & P_BLOCKSVIEW) |
| 413 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
| 414 |
else |
| 415 |
{ |
| 416 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
| 417 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
| 418 |
} |
| 419 |
} |
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
/** |
| 424 |
* Creates and sends magic map to player. |
| 425 |
* |
| 426 |
* The following function is a lot messier than it really should be, |
| 427 |
* but there is no real easy solution. |
| 428 |
* |
| 429 |
* Mark Wedel |
| 430 |
*/ |
| 431 |
void |
| 432 |
draw_magic_map (object *pl) |
| 433 |
{ |
| 434 |
char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
| 435 |
int xmin, xmax, ymin, ymax; |
| 436 |
|
| 437 |
if (pl->type != PLAYER) |
| 438 |
{ |
| 439 |
LOG (llevError, "Non player object called draw_map.\n"); |
| 440 |
return; |
| 441 |
} |
| 442 |
|
| 443 |
/* First, we figure out what spaces are 'reachable' by the player */ |
| 444 |
magic_mapping_mark (pl, map_mark, 3); |
| 445 |
|
| 446 |
/* We now go through and figure out what spaces have been |
| 447 |
* marked, and thus figure out rectangular region we send |
| 448 |
* to the client (eg, if only a 10x10 area is visible, we only |
| 449 |
* want to send those 100 spaces.) |
| 450 |
*/ |
| 451 |
xmin = MAGIC_MAP_SIZE; |
| 452 |
ymin = MAGIC_MAP_SIZE; |
| 453 |
xmax = 0; |
| 454 |
ymax = 0; |
| 455 |
|
| 456 |
for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
| 457 |
for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
| 458 |
if (map_mark[x + pl->map->width * y] | FACE_FLOOR) |
| 459 |
{ |
| 460 |
xmin = x < xmin ? x : xmin; |
| 461 |
xmax = x > xmax ? x : xmax; |
| 462 |
ymin = y < ymin ? y : ymin; |
| 463 |
ymax = y > ymax ? y : ymax; |
| 464 |
} |
| 465 |
|
| 466 |
packet sl; |
| 467 |
sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
| 468 |
MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
| 469 |
|
| 470 |
for (int y = ymin; y <= ymax; y++) |
| 471 |
for (int x = xmin; x <= xmax; x++) |
| 472 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
| 473 |
|
| 474 |
pl->contr->ns->send_packet (sl); |
| 475 |
|
| 476 |
free (map_mark); |
| 477 |
} |
| 478 |
|
