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|
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/* |
3 |
CrossFire, A Multiplayer game for X-windows |
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|
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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 |
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esrv_print_msg (NewSocket * ns, int color, const char *str) |
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{ |
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SockList sl (MAXSOCKBUF); |
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|
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if (ns->status == Ns_Old) |
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sl.printf ("%s\n", str); |
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else |
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sl.printf ("drawinfo %d %s", color, str); |
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|
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ns->send_packet (sl); |
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sl.free (); |
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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 (NewSocket * ns, int color, uint8 type, uint8 subtype, const char *message) |
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{ |
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SockList sl (MAXSOCKBUF); |
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|
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sl.printf ("drawextinfo %d %hhu %hhu %s", color, type, subtype, message); |
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ns->send_packet (sl); |
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sl.free (); |
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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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*/ |
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|
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static void |
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print_message (int colr, const object *pl, const char *tmp) |
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{ |
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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; |
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|
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if (pl->type == PLAYER) |
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{ |
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esrv_print_msg (&pl->contr->socket, colr, (char *) tmp); |
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return; |
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} |
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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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|
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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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} |
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|
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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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|
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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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} |
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/* 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; |
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} |
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} |
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} |
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|
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|
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|
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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. |
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* |
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*/ |
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|
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void |
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new_draw_info (int flags, int pri, const object *pl, const char *buf) |
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{ |
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|
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if (flags & NDI_ALL) |
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{ |
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player *tmppl; |
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|
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for (tmppl = first_player; tmppl != NULL; tmppl = tmppl->next) |
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new_draw_info ((flags & ~NDI_ALL), pri, tmppl->ob, buf); |
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|
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return; |
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} |
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|
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if (!pl || (pl->type == PLAYER && pl->contr == NULL)) |
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{ |
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/* Write to the socket? */ |
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print_message (0, NULL, buf); |
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return; |
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} |
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|
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if (pl->type != PLAYER) |
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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 ((flags & NDI_COLOR_MASK) == NDI_BLACK && !(flags & NDI_UNIQUE)) |
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/* following prints stuff out, as appropriate */ |
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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); |
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} |
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|
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/** |
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* Wrapper for new_draw_info printf-like. |
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* |
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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 |
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*/ |
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|
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void |
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new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...) |
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{ |
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char buf[HUGE_BUF]; |
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|
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va_list ap; |
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|
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va_start (ap, format); |
257 |
|
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vsnprintf (buf, HUGE_BUF, format, ap); |
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|
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va_end (ap); |
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|
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new_draw_info (flags, pri, pl, buf); |
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} |
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|
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|
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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) |
268 |
{ |
269 |
|
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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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if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type)) |
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{ |
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char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1); |
278 |
|
279 |
if (buf == NULL) |
280 |
LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
281 |
else |
282 |
{ |
283 |
strcpy (buf, oldmessage == NULL ? message : oldmessage); |
284 |
strip_media_tag (buf); |
285 |
new_draw_info (flags, pri, pl, buf); |
286 |
free (buf); |
287 |
} |
288 |
} |
289 |
else |
290 |
{ |
291 |
esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message); |
292 |
} |
293 |
} |
294 |
|
295 |
void |
296 |
draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
297 |
{ |
298 |
|
299 |
char buf[HUGE_BUF]; |
300 |
|
301 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
302 |
return; |
303 |
|
304 |
if (pri >= pl->contr->listening) |
305 |
return; |
306 |
if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type)) |
307 |
{ |
308 |
va_list ap; |
309 |
|
310 |
LOG (llevDebug, "Non supported extension text type for client.\n"); |
311 |
va_start (ap, new_format); |
312 |
vsnprintf (buf, HUGE_BUF, old_format, ap); |
313 |
va_end (ap); |
314 |
new_draw_info (flags, pri, pl, buf); |
315 |
return; |
316 |
} |
317 |
else |
318 |
{ |
319 |
va_list ap; |
320 |
|
321 |
va_start (ap, new_format); |
322 |
vsnprintf (buf, HUGE_BUF, new_format, ap); |
323 |
va_end (ap); |
324 |
strip_media_tag (buf); |
325 |
esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf); |
326 |
} |
327 |
} |
328 |
|
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/** |
330 |
* Writes to everyone on the map *except* op. This is useful for emotions. |
331 |
*/ |
332 |
|
333 |
void |
334 |
new_info_map_except (int color, maptile * map, object *op, const char *str) |
335 |
{ |
336 |
player *pl; |
337 |
|
338 |
for (pl = first_player; pl != NULL; pl = pl->next) |
339 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op) |
340 |
{ |
341 |
new_draw_info (color, 0, pl->ob, str); |
342 |
} |
343 |
} |
344 |
|
345 |
/** |
346 |
* Writes to everyone on the map except op1 and op2 |
347 |
*/ |
348 |
|
349 |
void |
350 |
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
351 |
{ |
352 |
player *pl; |
353 |
|
354 |
for (pl = first_player; pl != NULL; pl = pl->next) |
355 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
356 |
{ |
357 |
new_draw_info (color, 0, pl->ob, str); |
358 |
} |
359 |
} |
360 |
|
361 |
/** |
362 |
* Writes to everyone on the specified map |
363 |
*/ |
364 |
|
365 |
void |
366 |
new_info_map (int color, maptile * map, const char *str) |
367 |
{ |
368 |
player *pl; |
369 |
|
370 |
for (pl = first_player; pl != NULL; pl = pl->next) |
371 |
if (pl->ob != NULL && pl->ob->map == map) |
372 |
{ |
373 |
new_draw_info (color, 0, pl->ob, str); |
374 |
} |
375 |
} |
376 |
|
377 |
|
378 |
/** |
379 |
* This does nothing now. However, in theory, we should probably send |
380 |
* something to the client and let the client figure out how it might want |
381 |
* to handle this |
382 |
*/ |
383 |
void |
384 |
clear_win_info (object *op) |
385 |
{ |
386 |
} |
387 |
|
388 |
/** |
389 |
* Get player's current range attack in obuf. |
390 |
*/ |
391 |
void |
392 |
rangetostring (object *pl, char *obuf) |
393 |
{ |
394 |
switch (pl->contr->shoottype) |
395 |
{ |
396 |
case range_none: |
397 |
strcpy (obuf, "Range: nothing"); |
398 |
break; |
399 |
|
400 |
case range_bow: |
401 |
{ |
402 |
object *op; |
403 |
|
404 |
for (op = pl->inv; op; op = op->below) |
405 |
if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED)) |
406 |
break; |
407 |
|
408 |
if (op == NULL) |
409 |
break; |
410 |
|
411 |
sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing"); |
412 |
} |
413 |
break; |
414 |
|
415 |
case range_magic: |
416 |
if (settings.casting_time == TRUE) |
417 |
{ |
418 |
if (pl->casting_time > -1) |
419 |
{ |
420 |
if (pl->casting_time == 0) |
421 |
sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name); |
422 |
else |
423 |
sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name); |
424 |
} |
425 |
else |
426 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
427 |
} |
428 |
else |
429 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
430 |
break; |
431 |
|
432 |
case range_misc: |
433 |
sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none"); |
434 |
break; |
435 |
|
436 |
/* range_scroll is only used for controlling golems. If the |
437 |
* the player does not have a golem, reset some things. |
438 |
*/ |
439 |
case range_golem: |
440 |
if (pl->contr->ranges[range_golem] != NULL) |
441 |
sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name); |
442 |
else |
443 |
{ |
444 |
pl->contr->shoottype = range_none; |
445 |
strcpy (obuf, "Range: nothing"); |
446 |
} |
447 |
break; |
448 |
|
449 |
case range_skill: |
450 |
sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none"); |
451 |
break; |
452 |
|
453 |
case range_builder: |
454 |
sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0)); |
455 |
break; |
456 |
|
457 |
default: |
458 |
strcpy (obuf, "Range: illegal"); |
459 |
} |
460 |
} |
461 |
|
462 |
/** |
463 |
* Sets player title. |
464 |
*/ |
465 |
void |
466 |
set_title (object *pl, char *buf) |
467 |
{ |
468 |
/* Eneq(@csd.uu.se): Let players define their own titles. */ |
469 |
if (pl->contr->own_title[0] == '\0') |
470 |
sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
471 |
else |
472 |
sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
473 |
} |
474 |
|
475 |
|
476 |
/** |
477 |
* Helper for magic map creation. |
478 |
* |
479 |
* Takes a player, the map_mark array and an x and y starting position. |
480 |
* pl is the player. |
481 |
* px, py are offsets from the player. |
482 |
* |
483 |
* This function examines all the adjacant spaces next to px, py. |
484 |
* It updates the map_mark arrow with the color and high bits set |
485 |
* for various code values. |
486 |
*/ |
487 |
static void |
488 |
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
489 |
{ |
490 |
int x, y, dx, dy, mflags; |
491 |
sint16 nx, ny; |
492 |
maptile *mp; |
493 |
New_Face *f; |
494 |
|
495 |
for (dx = -1; dx <= 1; dx++) |
496 |
{ |
497 |
for (dy = -1; dy <= 1; dy++) |
498 |
{ |
499 |
x = px + dx; |
500 |
y = py + dy; |
501 |
|
502 |
if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF) |
503 |
continue; |
504 |
|
505 |
mp = pl->map; |
506 |
nx = pl->x + x; |
507 |
ny = pl->y + y; |
508 |
|
509 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
510 |
if (mflags & P_OUT_OF_MAP) |
511 |
continue; |
512 |
|
513 |
if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
514 |
{ |
515 |
f = GET_MAP_FACE (mp, nx, ny, 0); |
516 |
if (f == blank_face) |
517 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
518 |
if (f == blank_face) |
519 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
520 |
|
521 |
/* Should probably have P_NO_MAGIC here also, but then shops don't |
522 |
* work. |
523 |
*/ |
524 |
if (mflags & P_BLOCKSVIEW) |
525 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0); |
526 |
else |
527 |
{ |
528 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0); |
529 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
530 |
} |
531 |
} |
532 |
} |
533 |
} |
534 |
} |
535 |
|
536 |
|
537 |
/** |
538 |
* Creates magic map for player. |
539 |
* |
540 |
* Note: For improved magic mapping display, the space that blocks |
541 |
* the view is now marked with value 2. Any dependencies of map_mark |
542 |
* being nonzero have been changed to check for 1. Also, since |
543 |
* map_mark is a char value, putting 2 in should cause no problems. |
544 |
* |
545 |
* This function examines the map the player is on, and determines what |
546 |
* is visible. 2 is set for walls or objects that blocks view. 1 |
547 |
* is for open spaces. map_mark should already have been initialized |
548 |
* to zero before this is called. |
549 |
* strength is an initial strength*2 rectangular area that we automatically |
550 |
* see in/penetrate through. |
551 |
*/ |
552 |
|
553 |
void |
554 |
magic_mapping_mark (object *pl, char *map_mark, int strength) |
555 |
{ |
556 |
int x, y, mflags; |
557 |
sint16 nx, ny; |
558 |
maptile *mp; |
559 |
New_Face *f; |
560 |
|
561 |
for (x = -strength; x < strength; x++) |
562 |
{ |
563 |
for (y = -strength; y < strength; y++) |
564 |
{ |
565 |
mp = pl->map; |
566 |
nx = pl->x + x; |
567 |
ny = pl->y + y; |
568 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
569 |
if (mflags & P_OUT_OF_MAP) |
570 |
continue; |
571 |
else |
572 |
{ |
573 |
f = GET_MAP_FACE (mp, nx, ny, 0); |
574 |
if (f == blank_face) |
575 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
576 |
if (f == blank_face) |
577 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
578 |
} |
579 |
|
580 |
if (mflags & P_BLOCKSVIEW) |
581 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0); |
582 |
else |
583 |
{ |
584 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0); |
585 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
586 |
} |
587 |
} |
588 |
} |
589 |
} |
590 |
|
591 |
|
592 |
/** |
593 |
* Creates and sends magic map to player. |
594 |
* |
595 |
* The following function is a lot messier than it really should be, |
596 |
* but there is no real easy solution. |
597 |
* |
598 |
* Mark Wedel |
599 |
*/ |
600 |
|
601 |
void |
602 |
draw_magic_map (object *pl) |
603 |
{ |
604 |
char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
605 |
int xmin, xmax, ymin, ymax; |
606 |
|
607 |
if (pl->type != PLAYER) |
608 |
{ |
609 |
LOG (llevError, "Non player object called draw_map.\n"); |
610 |
return; |
611 |
} |
612 |
|
613 |
/* First, we figure out what spaces are 'reachable' by the player */ |
614 |
magic_mapping_mark (pl, map_mark, 3); |
615 |
|
616 |
/* We now go through and figure out what spaces have been |
617 |
* marked, and thus figure out rectangular region we send |
618 |
* to the client (eg, if only a 10x10 area is visible, we only |
619 |
* want to send those 100 spaces.) |
620 |
*/ |
621 |
xmin = MAGIC_MAP_SIZE; |
622 |
ymin = MAGIC_MAP_SIZE; |
623 |
xmax = 0; |
624 |
ymax = 0; |
625 |
|
626 |
for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
627 |
for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
628 |
if (map_mark[x + MAP_WIDTH (pl->map) * y] | FACE_FLOOR) |
629 |
{ |
630 |
xmin = x < xmin ? x : xmin; |
631 |
xmax = x > xmax ? x : xmax; |
632 |
ymin = y < ymin ? y : ymin; |
633 |
ymax = y > ymax ? y : ymax; |
634 |
} |
635 |
|
636 |
SockList sl (MAXSOCKBUF); |
637 |
sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
638 |
MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
639 |
|
640 |
for (int y = ymin; y <= ymax; y++) |
641 |
for (int x = xmin; x <= xmax; x++) |
642 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
643 |
|
644 |
Send_With_Handling (&pl->contr->socket, &sl); |
645 |
|
646 |
sl.free (); |
647 |
|
648 |
free (map_mark); |
649 |
} |
650 |
|
651 |
|
652 |
/** |
653 |
* Send a kill log record to sockets |
654 |
*/ |
655 |
|
656 |
void |
657 |
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType) |
658 |
{ |
659 |
size_t len; |
660 |
char buf[MAX_BUF]; |
661 |
|
662 |
if (With != NULL) |
663 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType); |
664 |
else |
665 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType); |
666 |
|
667 |
len = strlen (buf); |
668 |
} |