| 1 |
|
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/* |
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CrossFire, A Multiplayer game for X-windows |
| 4 |
|
| 5 |
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); |
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|
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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) |
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{ |
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|
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if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
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return; |
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|
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if (pri >= pl->contr->listening) |
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return; |
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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); |
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|
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if (buf == NULL) |
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LOG (llevError, "info::draw_ext_info -> Out of memory!"); |
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else |
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{ |
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strcpy (buf, oldmessage == NULL ? message : oldmessage); |
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strip_media_tag (buf); |
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new_draw_info (flags, pri, pl, buf); |
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free (buf); |
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} |
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} |
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else |
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{ |
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esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, message); |
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} |
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} |
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|
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void |
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draw_ext_info_format (int flags, int pri, const object *pl, uint8 type, uint8 subtype, const char *old_format, char *new_format, ...) |
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{ |
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|
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char buf[HUGE_BUF]; |
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|
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if (!pl || (pl->type != PLAYER) || (pl->contr == NULL)) |
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return; |
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|
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if (pri >= pl->contr->listening) |
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return; |
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if (!CLIENT_SUPPORT_READABLES (&pl->contr->socket, type)) |
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{ |
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va_list ap; |
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|
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LOG (llevDebug, "Non supported extension text type for client.\n"); |
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va_start (ap, new_format); |
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vsnprintf (buf, HUGE_BUF, old_format, ap); |
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va_end (ap); |
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new_draw_info (flags, pri, pl, buf); |
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return; |
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} |
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else |
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{ |
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va_list ap; |
| 320 |
|
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va_start (ap, new_format); |
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vsnprintf (buf, HUGE_BUF, new_format, ap); |
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va_end (ap); |
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strip_media_tag (buf); |
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esrv_print_ext_msg (&pl->contr->socket, flags & NDI_COLOR_MASK, type, subtype, buf); |
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} |
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} |
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|
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/** |
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* Writes to everyone on the map *except* op. This is useful for emotions. |
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*/ |
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|
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void |
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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) |
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if (pl->ob != NULL && pl->ob->map == map && pl->ob != op) |
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{ |
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new_draw_info (color, 0, pl->ob, str); |
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} |
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} |
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|
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/** |
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* Writes to everyone on the map except op1 and op2 |
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*/ |
| 348 |
|
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void |
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new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
| 351 |
{ |
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player *pl; |
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|
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for (pl = first_player; pl != NULL; pl = pl->next) |
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if (pl->ob != NULL && pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
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{ |
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new_draw_info (color, 0, pl->ob, str); |
| 358 |
} |
| 359 |
} |
| 360 |
|
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/** |
| 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 |
|
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|
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/** |
| 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 |
} |
