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/* |
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* This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
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* |
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* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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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* Crossfire TRT 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 3 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, see <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <crossfire@schmorp.de> |
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*/ |
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|
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/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */ |
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|
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/** |
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* \file |
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* Sound-related functions. |
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* |
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* \date 2003-12-02 |
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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 <sounds.h> |
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|
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#include <tr1/unordered_map> |
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|
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/** |
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* Maximum distance a player may hear a sound from. |
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* This is only used for new client/server sound. If the sound source |
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* on the map is farther away than this, we don't sent it to the client. |
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*/ |
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#define MAX_SOUND_DISTANCE 16 |
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|
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// the hashtable |
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typedef std::tr1::unordered_map |
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< |
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const char *, |
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faceidx, |
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str_hash, |
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str_equal, |
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slice_allocator< std::pair<const char *const, faceidx> > |
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> HT; |
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|
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static HT ht; |
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|
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faceidx |
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sound_find (const char *str) |
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{ |
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auto (i, ht.find (str)); |
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|
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return i == ht.end () |
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? 0 |
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: i->second; |
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} |
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|
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void |
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sound_set (const char *str, faceidx face) |
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{ |
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auto (i, ht.find (str)); |
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|
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if (i != ht.end ()) |
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i->second = face; |
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else |
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ht.insert (std::make_pair (strdup (str), face)); |
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} |
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|
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//TODO: remove |
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// for gcfclient-compatibility, to vanish at some point |
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faceidx old_sound_index [SOUND_CAST_SPELL_0]; |
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|
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/* |
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* Plays a sound for specified player only |
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*/ |
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void |
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client::play_sound (faceidx sound, int dx, int dy) |
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{ |
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if (!sound) |
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return; |
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|
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if (dx < -MAX_SOUND_DISTANCE || dx > MAX_SOUND_DISTANCE) return; |
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if (dy < -MAX_SOUND_DISTANCE || dy > MAX_SOUND_DISTANCE) return; |
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|
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if (fx_want [FT_SOUND]) |
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{ |
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// cfplus |
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send_face (sound); |
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flush_fx (); |
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|
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uint8 vol = clamp (255 - idistance (dx, dy) * 361 / MAX_SOUND_DISTANCE, 0, 255); |
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|
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// cut off volume here |
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if (vol < 8) |
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return; |
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|
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packet sl ("sc"); |
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|
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uint8 *len = sl.cur; |
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|
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sl << uint8 (0) // group length |
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<< uint8 (0) // type == one-time effect |
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<< ber32 (sound) |
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<< sint8 (dx) |
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<< sint8 (dy) |
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<< uint8 (vol); // 0 == silent, 255 max |
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|
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*len = sl.cur - len; // patch in group length |
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|
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send_packet (sl); |
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} |
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else if (this->sound) |
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{ |
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//TODO: remove, or make bearable |
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// gcfclient compatibility |
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|
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int gcfclient_sound; |
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for (gcfclient_sound = SOUND_CAST_SPELL_0; gcfclient_sound--; ) |
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if (old_sound_index [gcfclient_sound] == sound) |
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{ |
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packet sl ("sound"); |
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|
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sl << uint8 (dx) |
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<< uint8 (dy) |
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<< uint16 (gcfclient_sound) |
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<< uint8 (SOUND_NORMAL); |
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|
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send_packet (sl); |
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|
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break; |
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} |
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} |
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} |
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|
