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/* |
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* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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* |
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* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992,2007 Frank Tore Johansen |
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* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* 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 Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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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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#include <cstring> |
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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 *ns, int color, const char *str) |
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{ |
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ns->send_msg (color, "info", str); |
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} |
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|
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/** |
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* Draws an extended message on the client. |
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* ns the socket to send message to |
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* color color informations (used mainly if client does not support message type) |
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* type, |
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* subtype type and subtype of text message |
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* intro Intro message to send with main message if client does not support the message type |
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* message The main message |
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*/ |
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static void |
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esrv_print_ext_msg (client *ns, int color, uint8 type, uint8 subtype, const char *message) |
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{ |
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ns->send_packet_printf ("drawextinfo %d %u %u %s", color, type, subtype, message); |
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} |
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|
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/** |
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* Frontend for esrv_print_msg |
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* \param colr message color |
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* \param pl player to send to. Can be NULL |
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* \param tmp message to send. Can be NULL |
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* |
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* If pl is NULL or without contr set, writes message to log. |
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* |
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* Else sends message to player via esrv_print_msg |
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*/ |
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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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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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esrv_print_msg (pl->contr->ns, colr, (char *)tmp); |
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} |
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|
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bool |
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client::msg_suppressed (const char *msg) |
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{ |
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if (!pl) |
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return false; |
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|
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if (pl->outputs_count <= 1 || !pl->outputs_sync) |
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return false; |
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|
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int len = strlen (msg); |
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|
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if (len > MSG_BUF_SIZE) |
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return false; |
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|
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msg_buf *lru = msgbuf; |
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for (msg_buf *buf = msgbuf; buf < msgbuf + MSG_BUF_COUNT; ++buf) |
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{ |
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if (len == buf->len && !memcmp (msg, buf->msg, len)) |
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{ |
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// found matching buf, see if expired |
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if (buf->expire <= pticks || !buf->count) |
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{ |
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// yes, take over matching buffer, print |
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buf->expire = pticks + pl->outputs_sync; |
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buf->count = pl->outputs_count; |
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|
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return false; |
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} |
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|
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// no, suppress |
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--buf->count; |
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return true; |
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} |
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|
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if (lru->expire > buf->expire) |
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lru = buf; |
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} |
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|
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// new message, evoke oldest buffer |
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lru->expire = pticks + pl->outputs_sync; |
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lru->count = pl->outputs_count; |
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lru->len = len; |
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memcpy (lru->msg, msg, len); |
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|
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return false; |
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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 unused. |
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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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void |
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new_draw_info (int flags, int pri, const object *op, const char *buf) |
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{ |
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if (flags & NDI_ALL) |
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{ |
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for_all_players (pl) |
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new_draw_info (flags & ~NDI_ALL, 0, pl->ob, buf); |
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} |
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else |
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{ |
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if (!op || !op->contr || !op->contr->ns) |
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return; |
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|
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if ((flags & (NDI_COLOR_MASK | NDI_UNIQUE)) != NDI_BLACK |
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|| !op->contr->ns->msg_suppressed (buf)) |
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print_message (flags & NDI_COLOR_MASK, op, buf); |
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} |
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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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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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va_list ap; |
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va_start (ap, format); |
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new_draw_info (flags, pri, pl, vformat (format, ap)); |
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va_end (ap); |
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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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void |
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new_info_map_except (int color, maptile * map, object *op, const char *str) |
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{ |
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for_all_players (pl) |
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if (pl->ob->map == map && pl->ob != op) |
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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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* Writes to everyone on the map except op1 and op2 |
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*/ |
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static void |
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new_info_map_except2 (int color, maptile * map, object *op1, object *op2, const char *str) |
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{ |
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for_all_players (pl) |
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if (pl->ob->map == map && pl->ob != op1 && pl->ob != op2) |
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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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* Writes to everyone on the specified map |
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*/ |
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void |
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new_info_map (int color, maptile * map, const char *str) |
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{ |
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for_all_players (pl) |
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if (pl->ob->map == map) |
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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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* Sets player title. |
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*/ |
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void |
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set_title (object *pl, char *buf) |
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{ |
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/* Eneq(@csd.uu.se): Let players define their own titles. */ |
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if (pl->contr->own_title[0] == '\0') |
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sprintf (buf, "Player: %s the %s", (const char *) pl->name, (const char *) pl->contr->title); |
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else |
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sprintf (buf, "Player: %s %s", (const char *) pl->name, (const char *) pl->contr->own_title); |
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} |
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|
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// formerly a macro, used only by magic map, so optimised it out |
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static inline faceidx |
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GET_MAP_FACE (mapspace &ms, int layer) |
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{ |
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if (object *op = ms.faces_obj [layer]) |
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return op->face; |
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else |
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return 0; |
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} |
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|
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/** |
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* Helper for magic map creation. |
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* |
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* Takes a player, the map_mark array and an x and y starting position. |
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* pl is the player. |
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* px, py are offsets from the player. |
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* |
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* This function examines all the adjacant spaces next to px, py. |
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* It updates the map_mark arrow with the color and high bits set |
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* for various code values. |
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*/ |
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static void |
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magic_mapping_mark_recursive (object *pl, char *map_mark, int px, int py) |
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{ |
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for (int dx = -1; dx <= 1; dx++) |
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{ |
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for (int dy = -1; dy <= 1; dy++) |
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{ |
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int x = px + dx; |
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int y = py + dy; |
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|
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if (abs (x) >= MAGIC_MAP_HALF || abs (y) >= MAGIC_MAP_HALF) |
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continue; |
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|
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mapxy pos (pl); |
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pos.move (x, y); |
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|
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if (!pos.normalise ()) |
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continue; |
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|
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mapspace &ms = pos.ms (); |
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|
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if (map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] == 0) |
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{ |
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int mflags = ms.flags (); |
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|
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int f = GET_MAP_FACE (ms, 0); |
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if (f == blank_face) |
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{ |
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f = GET_MAP_FACE (ms, 1); |
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if (f == blank_face) |
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f = GET_MAP_FACE (ms, 2); |
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} |
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|
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int magicmap = faces [f].magicmap; |
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|
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/* Should probably have P_NO_MAGIC here also, but then shops don't |
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* work. |
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*/ |
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if (mflags & P_BLOCKSVIEW) |
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map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
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else |
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{ |
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map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
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magic_mapping_mark_recursive (pl, map_mark, x, y); |
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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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* Creates magic map for player. |
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* |
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* Note: For improved magic mapping display, the space that blocks |
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* the view is now marked with value 2. Any dependencies of map_mark |
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* being nonzero have been changed to check for 1. Also, since |
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* map_mark is a char value, putting 2 in should cause no problems. |
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* |
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* This function examines the map the player is on, and determines what |
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* is visible. 2 is set for walls or objects that blocks view. 1 |
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* is for open spaces. map_mark should already have been initialised |
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* to zero before this is called. |
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* strength is an initial strength*2 rectangular area that we automatically |
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* see in/penetrate through. |
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*/ |
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static void |
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magic_mapping_mark (object *pl, char *map_mark, int strength) |
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{ |
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for (int x = -strength; x < strength; x++) |
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{ |
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for (int y = -strength; y < strength; y++) |
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{ |
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mapxy pos (pl); |
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pos.move (x, y); |
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|
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if (!pos.normalise ()) |
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continue; |
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|
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mapspace &ms = pos.ms (); |
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|
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int mflags = ms.flags (); |
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|
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int f = GET_MAP_FACE (ms, 0); |
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if (f == blank_face) |
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{ |
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f = GET_MAP_FACE (ms, 1); |
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if (f == blank_face) |
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f = GET_MAP_FACE (ms, 2); |
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} |
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|
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int magicmap = faces [f].magicmap; |
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|
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if (mflags & P_BLOCKSVIEW) |
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map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_WALL | magicmap; |
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else |
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{ |
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map_mark[MAGIC_MAP_HALF + x + MAGIC_MAP_SIZE * (MAGIC_MAP_HALF + y)] = FACE_FLOOR | magicmap; |
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magic_mapping_mark_recursive (pl, map_mark, x, y); |
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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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* Creates and sends magic map to player. |
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* |
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* The following function is a lot messier than it really should be, |
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* but there is no real easy solution. |
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* |
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* Mark Wedel |
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*/ |
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void |
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draw_magic_map (object *pl) |
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{ |
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char *map_mark = (char *)calloc (MAGIC_MAP_SIZE * MAGIC_MAP_SIZE, 1); |
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int xmin, xmax, ymin, ymax; |
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|
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if (pl->type != PLAYER) |
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{ |
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LOG (llevError, "Non player object called draw_map.\n"); |
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return; |
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} |
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|
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/* First, we figure out what spaces are 'reachable' by the player */ |
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magic_mapping_mark (pl, map_mark, 3); |
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|
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/* We now go through and figure out what spaces have been |
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* marked, and thus figure out rectangular region we send |
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* to the client (eg, if only a 10x10 area is visible, we only |
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* want to send those 100 spaces.) |
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*/ |
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xmin = MAGIC_MAP_SIZE; |
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ymin = MAGIC_MAP_SIZE; |
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xmax = 0; |
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ymax = 0; |
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|
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for (int x = 0; x < MAGIC_MAP_SIZE; x++) |
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for (int y = 0; y < MAGIC_MAP_SIZE; y++) |
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if (map_mark[x + pl->map->width * y] | FACE_FLOOR) |
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{ |
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xmin = x < xmin ? x : xmin; |
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xmax = x > xmax ? x : xmax; |
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ymin = y < ymin ? y : ymin; |
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ymax = y > ymax ? y : ymax; |
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} |
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|
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packet sl; |
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sl.printf ("magicmap %d %d %d %d ", (xmax - xmin + 1), (ymax - ymin + 1), |
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MAGIC_MAP_HALF - xmin, MAGIC_MAP_HALF - ymin); |
| 405 |
|
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for (int y = ymin; y <= ymax; y++) |
| 407 |
for (int x = xmin; x <= xmax; x++) |
| 408 |
sl << uint8 (map_mark[x + MAGIC_MAP_SIZE * y] & ~FACE_FLOOR); |
| 409 |
|
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pl->contr->ns->send_packet (sl); |
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|
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free (map_mark); |
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} |
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|
