1 |
/* |
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* CrossFire, A Multiplayer game for X-windows |
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* |
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* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
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* Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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* Copyright (C) 1992 Frank Tore Johansen |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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* The authors can be reached via e-mail at <crossfire@schmorp.de> |
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*/ |
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|
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/** |
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* \file |
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* Basic client output functions. |
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* |
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* \date 2003-12-02 |
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* |
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* This file implements some of the simpler output functions to the |
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* client. Basically, things like sending text strings along |
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*/ |
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|
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#include <global.h> |
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#include <sproto.h> |
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#include <stdarg.h> |
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#include <spells.h> |
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#include <skills.h> |
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|
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/** |
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* Draws a normal message on the client. It is pretty |
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* much the same thing as the draw_info above, but takes a color |
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* parameter. the esrv_drawinfo functions should probably be |
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* replaced with this, just using black as the color. |
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*/ |
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static void |
48 |
esrv_print_msg (client *ns, int color, const char *str) |
49 |
{ |
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ns->send_packet_printf ("drawinfo %d %s", color, str); |
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} |
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|
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/** |
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* Draws an extended message on the client. |
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* ns the socket to send message to |
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* color color informations (used mainly if client does not support message type) |
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* type, |
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* subtype type and subtype of text message |
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* intro Intro message to send with main message if client does not support the message type |
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* message The main message |
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*/ |
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static void |
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esrv_print_ext_msg (client *ns, int color, uint8 type, uint8 subtype, const char *message) |
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{ |
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ns->send_packet_printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message); |
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} |
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|
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/** |
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* Frontend for esrv_print_msg |
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* \param colr message color |
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* \param pl player to send to. Can be NULL |
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* \param tmp message to send. Can be NULL |
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* |
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* If pl is NULL or without contr set, writes message to log. |
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* |
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* Else sends message to player via esrv_print_msg |
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*/ |
78 |
static void |
79 |
print_message (int colr, const object *pl, const char *tmp) |
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{ |
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if (!tmp) |
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tmp = "[NULL]"; |
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|
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if (!pl || (pl->type == PLAYER && pl->contr == NULL)) |
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return; |
86 |
|
87 |
if (pl->type == PLAYER) |
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esrv_print_msg (pl->contr->ns, colr, (char *) tmp); |
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} |
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|
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/** |
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* Prints out the contents of specified buffer structures, |
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* and clears the string. |
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*/ |
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void |
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flush_output_element (const object *pl, Output_Buf * outputs) |
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{ |
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char tbuf[MAX_BUF]; |
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|
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if (outputs->buf == NULL) |
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return; |
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if (outputs->count > 1) |
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{ |
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snprintf (tbuf, MAX_BUF, "%d times %s", outputs->count, &outputs->buf); |
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print_message (NDI_BLACK, pl, tbuf); |
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} |
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else |
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print_message (NDI_BLACK, pl, &outputs->buf); |
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|
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outputs->buf = NULL; |
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outputs->first_update = 0; /* This way, it will be reused */ |
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} |
113 |
|
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/** |
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* Sends message to player through output buffers. |
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* \param pl player to send message |
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* \param buf message to send |
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* |
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* If player's output_count is 1, sends message directly. |
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* |
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* Else checks output buffers for specified message. |
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* |
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* If found, checks if message should be sent now. |
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* |
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* If message not already in buffers, flushes olders buffer, |
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* and adds message to queue. |
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*/ |
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static void |
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check_output_buffers (const object *pl, const char *buf) |
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{ |
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int i, oldest = 0; |
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|
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if (pl->contr->outputs_count < 2) |
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{ |
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print_message (NDI_BLACK, pl, buf); |
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return; |
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} |
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else |
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{ |
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for (i = 0; i < NUM_OUTPUT_BUFS; i++) |
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{ |
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if (pl->contr->outputs[i].buf && !strcmp (buf, pl->contr->outputs[i].buf)) |
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break; |
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else if (pl->contr->outputs[i].first_update < pl->contr->outputs[oldest].first_update) |
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oldest = i; |
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} |
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/* We found a match */ |
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if (i < NUM_OUTPUT_BUFS) |
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{ |
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pl->contr->outputs[i].count++; |
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if (pl->contr->outputs[i].count >= pl->contr->outputs_count) |
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{ |
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flush_output_element (pl, &pl->contr->outputs[i]); |
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} |
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} |
156 |
/* No match - flush the oldest, and put the new one in */ |
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else |
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{ |
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flush_output_element (pl, &pl->contr->outputs[oldest]); |
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|
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pl->contr->outputs[oldest].first_update = pticks; |
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pl->contr->outputs[oldest].count = 1; |
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pl->contr->outputs[oldest].buf = buf; |
164 |
} |
165 |
} |
166 |
} |
167 |
|
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/** |
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* Sends message to player(s). |
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* |
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* flags is various flags - mostly color, plus a few specials. |
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* |
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* pri is priority. It is a little odd - the lower the value, the more |
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* important it is. Thus, 0 gets sent no matter what. Otherwise, the |
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* value must be less than the listening level that the player has set. |
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* 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 |
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* in the flags. |
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* |
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* If message is black, and not NDI_UNIQUE, gets sent through output buffers. |
182 |
* |
183 |
*/ |
184 |
|
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void |
186 |
new_draw_info (int flags, int pri, const object *pl, const char *buf) |
187 |
{ |
188 |
if (flags & NDI_ALL) |
189 |
{ |
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for_all_players (pl) |
191 |
new_draw_info (flags & ~NDI_ALL, pri, pl->ob, buf); |
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|
193 |
return; |
194 |
} |
195 |
|
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if (!pl || pl->type != PLAYER || !pl->contr || !pl->contr->ns) |
197 |
return; |
198 |
|
199 |
if (pri >= pl->contr->listening) |
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return; |
201 |
|
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if ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE)) |
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check_output_buffers (pl, buf); |
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else |
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print_message (flags & NDI_COLOR_MASK, pl, buf); |
206 |
} |
207 |
|
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/** |
209 |
* Wrapper for new_draw_info printf-like. |
210 |
* |
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* This is a pretty trivial function, but it allows us to use printf style |
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* formatting, so instead of the calling function having to do it, we do |
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* it here. It may also have advantages in the future for reduction of |
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* client/server bandwidth (client could keep track of various strings |
215 |
*/ |
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void |
217 |
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...) |
218 |
{ |
219 |
char buf[HUGE_BUF]; |
220 |
|
221 |
va_list ap; |
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va_start (ap, format); |
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vsnprintf (buf, HUGE_BUF, format, ap); |
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va_end (ap); |
225 |
|
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new_draw_info (flags, pri, pl, buf); |
227 |
} |
228 |
|
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void |
230 |
draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage) |
231 |
{ |
232 |
|
233 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
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return; |
235 |
|
236 |
if (pri >= pl->contr->listening) |
237 |
return; |
238 |
|
239 |
if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
240 |
{ |
241 |
char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1); |
242 |
|
243 |
if (buf == NULL) |
244 |
LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
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else |
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{ |
247 |
strcpy (buf, oldmessage == NULL ? message : oldmessage); |
248 |
strip_media_tag (buf); |
249 |
new_draw_info (flags, pri, pl, buf); |
250 |
free (buf); |
251 |
} |
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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); |
255 |
} |
256 |
|
257 |
void |
258 |
draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
259 |
{ |
260 |
char buf[HUGE_BUF]; |
261 |
|
262 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
263 |
return; |
264 |
|
265 |
if (pri >= pl->contr->listening) |
266 |
return; |
267 |
|
268 |
if (!CLIENT_SUPPORT_READABLES (pl->contr->ns, type)) |
269 |
{ |
270 |
va_list ap; |
271 |
|
272 |
LOG (llevDebug, "Non supported extension text type for client.\n"); |
273 |
va_start (ap, new_format); |
274 |
vsnprintf (buf, HUGE_BUF, old_format, ap); |
275 |
va_end (ap); |
276 |
new_draw_info (flags, pri, pl, buf); |
277 |
return; |
278 |
} |
279 |
else |
280 |
{ |
281 |
va_list ap; |
282 |
|
283 |
va_start (ap, new_format); |
284 |
vsnprintf (buf, HUGE_BUF, new_format, ap); |
285 |
va_end (ap); |
286 |
strip_media_tag (buf); |
287 |
esrv_print_ext_msg (pl->contr->ns, flags & NDI_COLOR_MASK, type, subtype, buf); |
288 |
} |
289 |
} |
290 |
|
291 |
/** |
292 |
* Writes to everyone on the map *except* op. This is useful for emotions. |
293 |
*/ |
294 |
|
295 |
void |
296 |
new_info_map_except (int color, maptile * map, object *op, const char *str) |
297 |
{ |
298 |
for_all_players (pl) |
299 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op) |
300 |
new_draw_info (color, 0, pl->ob, str); |
301 |
} |
302 |
|
303 |
/** |
304 |
* Writes to everyone on the map except op1 and op2 |
305 |
*/ |
306 |
|
307 |
void |
308 |
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
309 |
{ |
310 |
for_all_players (pl) |
311 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
312 |
new_draw_info (color, 0, pl->ob, str); |
313 |
} |
314 |
|
315 |
/** |
316 |
* Writes to everyone on the specified map |
317 |
*/ |
318 |
|
319 |
void |
320 |
new_info_map (int color, maptile * map, const char *str) |
321 |
{ |
322 |
for_all_players (pl) |
323 |
if (pl->ob != NULL && pl->ob->map == map) |
324 |
new_draw_info (color, 0, pl->ob, str); |
325 |
} |
326 |
|
327 |
/** |
328 |
* This does nothing now. However, in theory, we should probably send |
329 |
* something to the client and let the client figure out how it might want |
330 |
* to handle this |
331 |
*/ |
332 |
void |
333 |
clear_win_info (object *op) |
334 |
{ |
335 |
} |
336 |
|
337 |
/** |
338 |
* Get player's current range attack in obuf. |
339 |
*/ |
340 |
void |
341 |
rangetostring (object *pl, char *obuf) |
342 |
{ |
343 |
switch (pl->contr->shoottype) |
344 |
{ |
345 |
case range_none: |
346 |
strcpy (obuf, "Range: nothing"); |
347 |
break; |
348 |
|
349 |
case range_bow: |
350 |
{ |
351 |
object *op; |
352 |
|
353 |
for (op = pl->inv; op; op = op->below) |
354 |
if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED)) |
355 |
break; |
356 |
|
357 |
if (op == NULL) |
358 |
break; |
359 |
|
360 |
sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing"); |
361 |
} |
362 |
break; |
363 |
|
364 |
case range_magic: |
365 |
if (settings.casting_time == TRUE) |
366 |
{ |
367 |
if (pl->casting_time > -1) |
368 |
{ |
369 |
if (pl->casting_time == 0) |
370 |
sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name); |
371 |
else |
372 |
sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name); |
373 |
} |
374 |
else |
375 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
376 |
} |
377 |
else |
378 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
379 |
break; |
380 |
|
381 |
case range_misc: |
382 |
sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none"); |
383 |
break; |
384 |
|
385 |
/* range_scroll is only used for controlling golems. If the |
386 |
* the player does not have a golem, reset some things. |
387 |
*/ |
388 |
case range_golem: |
389 |
if (pl->contr->ranges[range_golem] != NULL) |
390 |
sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name); |
391 |
else |
392 |
{ |
393 |
pl->contr->shoottype = range_none; |
394 |
strcpy (obuf, "Range: nothing"); |
395 |
} |
396 |
break; |
397 |
|
398 |
case range_skill: |
399 |
sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none"); |
400 |
break; |
401 |
|
402 |
case range_builder: |
403 |
sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0)); |
404 |
break; |
405 |
|
406 |
default: |
407 |
strcpy (obuf, "Range: illegal"); |
408 |
} |
409 |
} |
410 |
|
411 |
/** |
412 |
* Sets player title. |
413 |
*/ |
414 |
void |
415 |
set_title (object *pl, char *buf) |
416 |
{ |
417 |
/* Eneq(@csd.uu.se): Let players define their own titles. */ |
418 |
if (pl->contr->own_title[0] == '\0') |
419 |
sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
420 |
else |
421 |
sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
422 |
} |
423 |
|
424 |
/** |
425 |
* Helper for magic map creation. |
426 |
* |
427 |
* Takes a player, the map_mark array and an x and y starting position. |
428 |
* pl is the player. |
429 |
* px, py are offsets from the player. |
430 |
* |
431 |
* This function examines all the adjacant spaces next to px, py. |
432 |
* It updates the map_mark arrow with the color and high bits set |
433 |
* for various code values. |
434 |
*/ |
435 |
static void |
436 |
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
437 |
{ |
438 |
int x, y, dx, dy, mflags; |
439 |
sint16 nx, ny; |
440 |
maptile *mp; |
441 |
|
442 |
for (dx = -1; dx <= 1; dx++) |
443 |
{ |
444 |
for (dy = -1; dy <= 1; dy++) |
445 |
{ |
446 |
x = px + dx; |
447 |
y = py + dy; |
448 |
|
449 |
if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF) |
450 |
continue; |
451 |
|
452 |
mp = pl->map; |
453 |
nx = pl->x + x; |
454 |
ny = pl->y + y; |
455 |
|
456 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
457 |
if (mflags & P_OUT_OF_MAP) |
458 |
continue; |
459 |
|
460 |
if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
461 |
{ |
462 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
463 |
if (f == blank_face) |
464 |
{ |
465 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
466 |
if (f == blank_face) |
467 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
468 |
} |
469 |
|
470 |
int magicmap = faces [f].magicmap; |
471 |
|
472 |
/* Should probably have P_NO_MAGIC here also, but then shops don't |
473 |
* work. |
474 |
*/ |
475 |
if (mflags & P_BLOCKSVIEW) |
476 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
477 |
else |
478 |
{ |
479 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
480 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
481 |
} |
482 |
} |
483 |
} |
484 |
} |
485 |
} |
486 |
|
487 |
/** |
488 |
* Creates magic map for player. |
489 |
* |
490 |
* Note: For improved magic mapping display, the space that blocks |
491 |
* the view is now marked with value 2. Any dependencies of map_mark |
492 |
* being nonzero have been changed to check for 1. Also, since |
493 |
* map_mark is a char value, putting 2 in should cause no problems. |
494 |
* |
495 |
* This function examines the map the player is on, and determines what |
496 |
* is visible. 2 is set for walls or objects that blocks view. 1 |
497 |
* is for open spaces. map_mark should already have been initialised |
498 |
* to zero before this is called. |
499 |
* strength is an initial strength*2 rectangular area that we automatically |
500 |
* see in/penetrate through. |
501 |
*/ |
502 |
void |
503 |
magic_mapping_mark (object *pl, char *map_mark, int strength) |
504 |
{ |
505 |
int x, y, mflags; |
506 |
sint16 nx, ny; |
507 |
maptile *mp; |
508 |
|
509 |
for (x = -strength; x < strength; x++) |
510 |
{ |
511 |
for (y = -strength; y < strength; y++) |
512 |
{ |
513 |
mp = pl->map; |
514 |
nx = pl->x + x; |
515 |
ny = pl->y + y; |
516 |
|
517 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
518 |
if (mflags & P_OUT_OF_MAP) |
519 |
continue; |
520 |
|
521 |
int f = GET_MAP_FACE (mp, nx, ny, 0); |
522 |
if (f == blank_face) |
523 |
{ |
524 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
525 |
if (f == blank_face) |
526 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
527 |
} |
528 |
|
529 |
int magicmap = faces [f].magicmap; |
530 |
|
531 |
if (mflags & P_BLOCKSVIEW) |
532 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
533 |
else |
534 |
{ |
535 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
536 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
537 |
} |
538 |
} |
539 |
} |
540 |
} |
541 |
|
542 |
/** |
543 |
* Creates and sends magic map to player. |
544 |
* |
545 |
* The following function is a lot messier than it really should be, |
546 |
* but there is no real easy solution. |
547 |
* |
548 |
* Mark Wedel |
549 |
*/ |
550 |
void |
551 |
draw_magic_map (object *pl) |
552 |
{ |
553 |
char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
554 |
int xmin, xmax, ymin, ymax; |
555 |
|
556 |
if (pl->type != PLAYER) |
557 |
{ |
558 |
LOG (llevError, "Non player object called draw_map.\n"); |
559 |
return; |
560 |
} |
561 |
|
562 |
/* First, we figure out what spaces are 'reachable' by the player */ |
563 |
magic_mapping_mark (pl, map_mark, 3); |
564 |
|
565 |
/* We now go through and figure out what spaces have been |
566 |
* marked, and thus figure out rectangular region we send |
567 |
* to the client (eg, if only a 10x10 area is visible, we only |
568 |
* want to send those 100 spaces.) |
569 |
*/ |
570 |
xmin = MAGIC_MAP_SIZE; |
571 |
ymin = MAGIC_MAP_SIZE; |
572 |
xmax = 0; |
573 |
ymax = 0; |
574 |
|
575 |
for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
576 |
for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
577 |
if (map_mark[x + pl->map->width * y] | FACE_FLOOR) |
578 |
{ |
579 |
xmin = x < xmin ? x : xmin; |
580 |
xmax = x > xmax ? x : xmax; |
581 |
ymin = y < ymin ? y : ymin; |
582 |
ymax = y > ymax ? y : ymax; |
583 |
} |
584 |
|
585 |
packet sl; |
586 |
sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
587 |
MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
588 |
|
589 |
for (int y = ymin; y <= ymax; y++) |
590 |
for (int x = xmin; x <= xmax; x++) |
591 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
592 |
|
593 |
pl->contr->ns->send_packet (sl); |
594 |
|
595 |
free (map_mark); |
596 |
} |
597 |
|
598 |
/** |
599 |
* Send a kill log record to sockets |
600 |
*/ |
601 |
void |
602 |
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType) |
603 |
{ |
604 |
size_t len; |
605 |
char buf[MAX_BUF]; |
606 |
|
607 |
if (With != NULL) |
608 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType); |
609 |
else |
610 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType); |
611 |
|
612 |
len = strlen (buf); |
613 |
} |
614 |
|