Source/Audio/Sounds.cpp

   1 /*
   2 Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
   3
   4 This file is part of Lugaru.
   5
   6 Lugaru is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 Lugaru is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Lugaru.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "Audio/Sounds.hpp"
  21
  22 #include "Audio/openal_wrapper.hpp"
  23 #include "Utils/Folders.hpp"
  24
  25 struct OPENAL_SAMPLE* samp[sounds_count];
  26
  27 extern XYZ envsound[30];
  28 extern float envsoundvol[30];
  29 extern int numenvsounds;
  30 extern float envsoundlife[30];
  31
  32 int footstepsound, footstepsound2, footstepsound3, footstepsound4;
  33
  34 int channels[100];
  35
  36 static const char* sound_data[sounds_count] = {
  37 #define DECLARE_SOUND(id, filename) filename,
  38 #include "Sounds.def"
  39 #undef DECLARE_SOUND
  40 };
  41
  42 // FIXME: dimensionality is not a property of the sound sample.
  43 // This should be decided at the time of playback
  44 static int snd_mode(int snd)
  45 {
  46     switch (snd) {
  47         case alarmsound:
  48         case consolefailsound:
  49         case consolesuccesssound:
  50         case firestartsound:
  51         case fireendsound:
  52             return OPENAL_2D;
  53         default:
  54             return OPENAL_HW3D;
  55     }
  56 }
  57
  58 void loadAllSounds()
  59 {
  60     for (int i = 0; i < sounds_count; i++) {
  61         std::string buf = std::string("Sounds/") + sound_data[i];
  62         samp[i] = OPENAL_Sample_Load(OPENAL_FREE,
  63                                      Folders::getResourcePath(buf).c_str(),
  64                                      snd_mode(i),
  65                                      0, 0);
  66     }
  67     footstepsound = footstepsn1;
  68     footstepsound2 = footstepsn2;
  69     footstepsound3 = footstepst1;
  70     footstepsound4 = footstepst2;
  71     // Huh?
  72     // OPENAL_Sample_SetMode(samp[whooshsound], OPENAL_LOOP_NORMAL);
  73     for (int i = stream_firesound; i <= stream_menutheme; i++) {
  74         OPENAL_Stream_SetMode(samp[i], OPENAL_LOOP_NORMAL);
  75     }
  76 }
  77
  78 void addEnvSound(XYZ coords, float vol, float life)
  79 {
  80     envsound[numenvsounds] = coords;
  81     envsoundvol[numenvsounds] = vol;
  82     envsoundlife[numenvsounds] = life;
  83     numenvsounds++;
  84 }
  85
  86 void emit_sound_at(int soundid, const XYZ& pos, float vol)
  87 {
  88     PlaySoundEx(soundid, samp[soundid], NULL, true);
  89     OPENAL_3D_SetAttributes_(channels[soundid], pos);
  90     OPENAL_SetVolume(channels[soundid], vol);
  91     OPENAL_SetPaused(channels[soundid], false);
  92 }
  93
  94 void emit_sound_np(int soundid, float vol)
  95 {
  96     PlaySoundEx(soundid, samp[soundid], NULL, true);
  97     OPENAL_SetVolume(channels[soundid], vol);
  98     OPENAL_SetPaused(channels[soundid], false);
  99 }
 100
 101 void emit_stream_at(int soundid, const XYZ& pos, float vol)
 102 {
 103     PlayStreamEx(soundid, samp[soundid], NULL, true);
 104     OPENAL_3D_SetAttributes_(channels[soundid], pos);
 105     OPENAL_SetVolume(channels[soundid], vol);
 106     OPENAL_SetPaused(channels[soundid], false);
 107 }
 108
 109 void emit_stream_np(int soundid, float vol)
 110 {
 111     PlayStreamEx(soundid, samp[soundid], NULL, true);
 112     OPENAL_SetVolume(channels[soundid], vol);
 113     OPENAL_SetPaused(channels[soundid], false);
 114 }
 115
 116 void resume_stream(int soundid)
 117 {
 118     OPENAL_SetPaused(channels[soundid], false);
 119 }
 120
 121 void pause_sound(int soundid)
 122 {
 123     OPENAL_SetPaused(channels[soundid], true);
 124 }