1 |
|
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/* |
3 |
CrossFire, A Multiplayer game for X-windows |
4 |
|
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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 (client_socket * ns, int color, const char *str) |
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{ |
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packet sl; |
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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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} |
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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_socket * ns, int color, uint8 type, uint8 subtype, const char *message) |
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{ |
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packet sl; |
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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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} |
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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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|
111 |
void |
112 |
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; |
163 |
} |
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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++; |
168 |
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]); |
171 |
} |
172 |
} |
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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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} |
183 |
} |
184 |
|
185 |
|
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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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*/ |
203 |
|
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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; |
216 |
} |
217 |
|
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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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} |
224 |
|
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if (pl->type != PLAYER) |
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return; |
227 |
|
228 |
if (pri >= pl->contr->listening) |
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return; |
230 |
|
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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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} |
237 |
|
238 |
/** |
239 |
* Wrapper for new_draw_info printf-like. |
240 |
* |
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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 |
243 |
* 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 |
245 |
*/ |
246 |
|
247 |
void |
248 |
new_draw_info_format (int flags, int pri, const object *pl, const char *format, ...) |
249 |
{ |
250 |
char buf[HUGE_BUF]; |
251 |
|
252 |
va_list ap; |
253 |
|
254 |
va_start (ap, format); |
255 |
|
256 |
vsnprintf (buf, HUGE_BUF, format, ap); |
257 |
|
258 |
va_end (ap); |
259 |
|
260 |
new_draw_info (flags, pri, pl, buf); |
261 |
} |
262 |
|
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|
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void |
265 |
draw_ext_info (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *message, const char *oldmessage) |
266 |
{ |
267 |
|
268 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
269 |
return; |
270 |
|
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if (pri >= pl->contr->listening) |
272 |
return; |
273 |
if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type)) |
274 |
{ |
275 |
char *buf = (char *) malloc (strlen (oldmessage == NULL ? message : oldmessage) + 1); |
276 |
|
277 |
if (buf == NULL) |
278 |
LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
279 |
else |
280 |
{ |
281 |
strcpy (buf, oldmessage == NULL ? message : oldmessage); |
282 |
strip_media_tag (buf); |
283 |
new_draw_info (flags, pri, pl, buf); |
284 |
free (buf); |
285 |
} |
286 |
} |
287 |
else |
288 |
{ |
289 |
esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message); |
290 |
} |
291 |
} |
292 |
|
293 |
void |
294 |
draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
295 |
{ |
296 |
|
297 |
char buf[HUGE_BUF]; |
298 |
|
299 |
if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
300 |
return; |
301 |
|
302 |
if (pri >= pl->contr->listening) |
303 |
return; |
304 |
if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type)) |
305 |
{ |
306 |
va_list ap; |
307 |
|
308 |
LOG (llevDebug, "Non supported extension text type for client.\n"); |
309 |
va_start (ap, new_format); |
310 |
vsnprintf (buf, HUGE_BUF, old_format, ap); |
311 |
va_end (ap); |
312 |
new_draw_info (flags, pri, pl, buf); |
313 |
return; |
314 |
} |
315 |
else |
316 |
{ |
317 |
va_list ap; |
318 |
|
319 |
va_start (ap, new_format); |
320 |
vsnprintf (buf, HUGE_BUF, new_format, ap); |
321 |
va_end (ap); |
322 |
strip_media_tag (buf); |
323 |
esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf); |
324 |
} |
325 |
} |
326 |
|
327 |
/** |
328 |
* Writes to everyone on the map *except* op. This is useful for emotions. |
329 |
*/ |
330 |
|
331 |
void |
332 |
new_info_map_except (int color, maptile * map, object *op, const char *str) |
333 |
{ |
334 |
player *pl; |
335 |
|
336 |
for (pl = first_player; pl != NULL; pl = pl->next) |
337 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op) |
338 |
{ |
339 |
new_draw_info (color, 0, pl->ob, str); |
340 |
} |
341 |
} |
342 |
|
343 |
/** |
344 |
* Writes to everyone on the map except op1 and op2 |
345 |
*/ |
346 |
|
347 |
void |
348 |
new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
349 |
{ |
350 |
player *pl; |
351 |
|
352 |
for (pl = first_player; pl != NULL; pl = pl->next) |
353 |
if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
354 |
{ |
355 |
new_draw_info (color, 0, pl->ob, str); |
356 |
} |
357 |
} |
358 |
|
359 |
/** |
360 |
* Writes to everyone on the specified map |
361 |
*/ |
362 |
|
363 |
void |
364 |
new_info_map (int color, maptile * map, const char *str) |
365 |
{ |
366 |
player *pl; |
367 |
|
368 |
for (pl = first_player; pl != NULL; pl = pl->next) |
369 |
if (pl->ob != NULL && pl->ob->map == map) |
370 |
{ |
371 |
new_draw_info (color, 0, pl->ob, str); |
372 |
} |
373 |
} |
374 |
|
375 |
|
376 |
/** |
377 |
* This does nothing now. However, in theory, we should probably send |
378 |
* something to the client and let the client figure out how it might want |
379 |
* to handle this |
380 |
*/ |
381 |
void |
382 |
clear_win_info (object *op) |
383 |
{ |
384 |
} |
385 |
|
386 |
/** |
387 |
* Get player's current range attack in obuf. |
388 |
*/ |
389 |
void |
390 |
rangetostring (object *pl, char *obuf) |
391 |
{ |
392 |
switch (pl->contr->shoottype) |
393 |
{ |
394 |
case range_none: |
395 |
strcpy (obuf, "Range: nothing"); |
396 |
break; |
397 |
|
398 |
case range_bow: |
399 |
{ |
400 |
object *op; |
401 |
|
402 |
for (op = pl->inv; op; op = op->below) |
403 |
if (op->type == BOW && QUERY_FLAG (op, FLAG_APPLIED)) |
404 |
break; |
405 |
|
406 |
if (op == NULL) |
407 |
break; |
408 |
|
409 |
sprintf (obuf, "Range: %s (%s)", query_base_name (op, 0), op->race ? (const char *) op->race : "nothing"); |
410 |
} |
411 |
break; |
412 |
|
413 |
case range_magic: |
414 |
if (settings.casting_time == TRUE) |
415 |
{ |
416 |
if (pl->casting_time > -1) |
417 |
{ |
418 |
if (pl->casting_time == 0) |
419 |
sprintf (obuf, "Range: Holding spell (%s)", &pl->spell->name); |
420 |
else |
421 |
sprintf (obuf, "Range: Casting spell (%s)", &pl->spell->name); |
422 |
} |
423 |
else |
424 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
425 |
} |
426 |
else |
427 |
sprintf (obuf, "Range: spell (%s)", &pl->contr->ranges[range_magic]->name); |
428 |
break; |
429 |
|
430 |
case range_misc: |
431 |
sprintf (obuf, "Range: %s", pl->contr->ranges[range_misc] ? query_base_name (pl->contr->ranges[range_misc], 0) : "none"); |
432 |
break; |
433 |
|
434 |
/* range_scroll is only used for controlling golems. If the |
435 |
* the player does not have a golem, reset some things. |
436 |
*/ |
437 |
case range_golem: |
438 |
if (pl->contr->ranges[range_golem] != NULL) |
439 |
sprintf (obuf, "Range: golem (%s)", &pl->contr->ranges[range_golem]->name); |
440 |
else |
441 |
{ |
442 |
pl->contr->shoottype = range_none; |
443 |
strcpy (obuf, "Range: nothing"); |
444 |
} |
445 |
break; |
446 |
|
447 |
case range_skill: |
448 |
sprintf (obuf, "Skill: %s", pl->chosen_skill != NULL ? (const char *) pl->chosen_skill->name : "none"); |
449 |
break; |
450 |
|
451 |
case range_builder: |
452 |
sprintf (obuf, "Builder: %s", query_base_name (pl->contr->ranges[range_builder], 0)); |
453 |
break; |
454 |
|
455 |
default: |
456 |
strcpy (obuf, "Range: illegal"); |
457 |
} |
458 |
} |
459 |
|
460 |
/** |
461 |
* Sets player title. |
462 |
*/ |
463 |
void |
464 |
set_title (object *pl, char *buf) |
465 |
{ |
466 |
/* Eneq(@csd.uu.se): Let players define their own titles. */ |
467 |
if (pl->contr->own_title[0] == '\0') |
468 |
sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
469 |
else |
470 |
sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
471 |
} |
472 |
|
473 |
|
474 |
/** |
475 |
* Helper for magic map creation. |
476 |
* |
477 |
* Takes a player, the map_mark array and an x and y starting position. |
478 |
* pl is the player. |
479 |
* px, py are offsets from the player. |
480 |
* |
481 |
* This function examines all the adjacant spaces next to px, py. |
482 |
* It updates the map_mark arrow with the color and high bits set |
483 |
* for various code values. |
484 |
*/ |
485 |
static void |
486 |
magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
487 |
{ |
488 |
int x, y, dx, dy, mflags; |
489 |
sint16 nx, ny; |
490 |
maptile *mp; |
491 |
New_Face *f; |
492 |
|
493 |
for (dx = -1; dx <= 1; dx++) |
494 |
{ |
495 |
for (dy = -1; dy <= 1; dy++) |
496 |
{ |
497 |
x = px + dx; |
498 |
y = py + dy; |
499 |
|
500 |
if (FABS (x) >= MAGIC_MAP_HALF || FABS (y) >= MAGIC_MAP_HALF) |
501 |
continue; |
502 |
|
503 |
mp = pl->map; |
504 |
nx = pl->x + x; |
505 |
ny = pl->y + y; |
506 |
|
507 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
508 |
if (mflags & P_OUT_OF_MAP) |
509 |
continue; |
510 |
|
511 |
if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
512 |
{ |
513 |
f = GET_MAP_FACE (mp, nx, ny, 0); |
514 |
if (f == blank_face) |
515 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
516 |
if (f == blank_face) |
517 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
518 |
|
519 |
/* Should probably have P_NO_MAGIC here also, but then shops don't |
520 |
* work. |
521 |
*/ |
522 |
if (mflags & P_BLOCKSVIEW) |
523 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0); |
524 |
else |
525 |
{ |
526 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0); |
527 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
528 |
} |
529 |
} |
530 |
} |
531 |
} |
532 |
} |
533 |
|
534 |
|
535 |
/** |
536 |
* Creates magic map for player. |
537 |
* |
538 |
* Note: For improved magic mapping display, the space that blocks |
539 |
* the view is now marked with value 2. Any dependencies of map_mark |
540 |
* being nonzero have been changed to check for 1. Also, since |
541 |
* map_mark is a char value, putting 2 in should cause no problems. |
542 |
* |
543 |
* This function examines the map the player is on, and determines what |
544 |
* is visible. 2 is set for walls or objects that blocks view. 1 |
545 |
* is for open spaces. map_mark should already have been initialized |
546 |
* to zero before this is called. |
547 |
* strength is an initial strength*2 rectangular area that we automatically |
548 |
* see in/penetrate through. |
549 |
*/ |
550 |
|
551 |
void |
552 |
magic_mapping_mark (object *pl, char *map_mark, int strength) |
553 |
{ |
554 |
int x, y, mflags; |
555 |
sint16 nx, ny; |
556 |
maptile *mp; |
557 |
New_Face *f; |
558 |
|
559 |
for (x = -strength; x < strength; x++) |
560 |
{ |
561 |
for (y = -strength; y < strength; y++) |
562 |
{ |
563 |
mp = pl->map; |
564 |
nx = pl->x + x; |
565 |
ny = pl->y + y; |
566 |
mflags = get_map_flags (pl->map, &mp, nx, ny, &nx, &ny); |
567 |
if (mflags & P_OUT_OF_MAP) |
568 |
continue; |
569 |
else |
570 |
{ |
571 |
f = GET_MAP_FACE (mp, nx, ny, 0); |
572 |
if (f == blank_face) |
573 |
f = GET_MAP_FACE (mp, nx, ny, 1); |
574 |
if (f == blank_face) |
575 |
f = GET_MAP_FACE (mp, nx, ny, 2); |
576 |
} |
577 |
|
578 |
if (mflags & P_BLOCKSVIEW) |
579 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | (f ? f->magicmap : 0); |
580 |
else |
581 |
{ |
582 |
map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | (f ? f->magicmap : 0); |
583 |
magic_mapping_mark_recursive (pl, map_mark, x, y); |
584 |
} |
585 |
} |
586 |
} |
587 |
} |
588 |
|
589 |
|
590 |
/** |
591 |
* Creates and sends magic map to player. |
592 |
* |
593 |
* The following function is a lot messier than it really should be, |
594 |
* but there is no real easy solution. |
595 |
* |
596 |
* Mark Wedel |
597 |
*/ |
598 |
|
599 |
void |
600 |
draw_magic_map (object *pl) |
601 |
{ |
602 |
char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
603 |
int xmin, xmax, ymin, ymax; |
604 |
|
605 |
if (pl->type != PLAYER) |
606 |
{ |
607 |
LOG (llevError, "Non player object called draw_map.\n"); |
608 |
return; |
609 |
} |
610 |
|
611 |
/* First, we figure out what spaces are 'reachable' by the player */ |
612 |
magic_mapping_mark (pl, map_mark, 3); |
613 |
|
614 |
/* We now go through and figure out what spaces have been |
615 |
* marked, and thus figure out rectangular region we send |
616 |
* to the client (eg, if only a 10x10 area is visible, we only |
617 |
* want to send those 100 spaces.) |
618 |
*/ |
619 |
xmin = MAGIC_MAP_SIZE; |
620 |
ymin = MAGIC_MAP_SIZE; |
621 |
xmax = 0; |
622 |
ymax = 0; |
623 |
|
624 |
for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
625 |
for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
626 |
if (map_mark[x + MAP_WIDTH (pl->map) * y] | FACE_FLOOR) |
627 |
{ |
628 |
xmin = x < xmin ? x : xmin; |
629 |
xmax = x > xmax ? x : xmax; |
630 |
ymin = y < ymin ? y : ymin; |
631 |
ymax = y > ymax ? y : ymax; |
632 |
} |
633 |
|
634 |
packet sl; |
635 |
sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
636 |
MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
637 |
|
638 |
for (int y = ymin; y <= ymax; y++) |
639 |
for (int x = xmin; x <= xmax; x++) |
640 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
641 |
|
642 |
Send_With_Handling (&pl->contr->socket, &sl); |
643 |
|
644 |
|
645 |
free (map_mark); |
646 |
} |
647 |
|
648 |
|
649 |
/** |
650 |
* Send a kill log record to sockets |
651 |
*/ |
652 |
|
653 |
void |
654 |
Log_Kill (const char *Who, const char *What, int WhatType, const char *With, int WithType) |
655 |
{ |
656 |
size_t len; |
657 |
char buf[MAX_BUF]; |
658 |
|
659 |
if (With != NULL) |
660 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\t%s\t%d\n", Who, What, WhatType, With, WithType); |
661 |
else |
662 |
snprintf (buf, MAX_BUF, "%s\t%s\t%d\n", Who, What, WhatType); |
663 |
|
664 |
len = strlen (buf); |
665 |
} |