1 | /********************************************************************** <BR>
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2 | This file is part of Crack dot Com's free source code release of
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3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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4 | information about compiling & licensing issues visit this URL</a>
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5 | <PRE> If that doesn't help, contact Jonathan Clark at
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6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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7 | ***********************************************************************/
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8 |
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9 | #include "sound_man.hh"
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10 | #include "loaders/wav_load.hh"
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11 | #include "memory/malloc.hh"
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12 | #include "math/random.hh"
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13 | #include "objs/sfx_obj.hh"
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14 | #include "music/stream.hh"
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15 | #include "file/file.hh"
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16 | #include "time/profile.hh"
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17 | #include "string/string.hh"
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18 | #include "sound/sfx_id.hh"
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19 | #include "lisp/lisp.hh"
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20 | #include "lisp/li_init.hh"
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21 | #include "lisp/li_dialog.hh"
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22 | #include "lisp/li_class.hh"
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23 | #include "status/status.hh"
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24 |
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25 | g1_sound_manager_class g1_sound_man;
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26 |
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27 | i4_stream_wav_player *g1_music_stream=0;
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28 | static int music_count_down=0;
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29 |
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30 |
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31 | g1_sound_manager_class::g1_sound_manager_class()
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32 | {
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33 | sfx_obj_list=0;
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34 | loop_current_song=i4_F;
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35 | }
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36 |
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37 | void g1_sound_manager_class::next_song()
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38 | {
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39 | if (g1_music_stream)
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40 | {
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41 | delete g1_music_stream;
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42 | g1_music_stream=0;
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43 | }
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44 | }
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45 |
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46 | void g1_sound_manager_class::pause()
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47 | {
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48 | for (g1_sfx_obj_class *s=sfx_obj_list; s; s=s->next_sfx)
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49 | if (s->stream)
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50 | s->stream->pause();
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51 |
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52 | if (g1_music_stream)
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53 | g1_music_stream->pause();
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54 | }
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55 |
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56 | void g1_sound_manager_class::unpause()
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57 | {
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58 | for (g1_sfx_obj_class *s=sfx_obj_list; s; s=s->next_sfx)
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59 | if (s->stream)
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60 | s->stream->unpause();
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61 |
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62 | if (g1_music_stream)
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63 | g1_music_stream->unpause();
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64 | }
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65 |
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66 | inline float dist_comp(i4_3d_vector &a, i4_3d_vector &b)
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67 | {
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68 | return (((a.x-b.x)*(a.x-b.x)) + ((a.y-b.y)*(a.y-b.y)) + ((a.z-b.z)*(a.z-b.z)));
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69 | }
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70 |
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71 | static int get_music_volume()
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72 | {
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73 | li_object *music=li_get_value("music");
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74 | if (music)
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75 | {
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76 | li_class *c=li_class::get(music,0);
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77 | return li_get_int(c->value("volume"),0);
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78 | }
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79 | else return 0;
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80 | }
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81 |
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82 | static void set_music_volume(int vol)
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83 | {
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84 |
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85 | li_object *music=li_get_value("music");
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86 | if (music)
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87 | {
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88 | li_class *c=li_class::get(music,0);
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89 |
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90 | if (vol>I4_SOUND_VOLUME_LEVELS-1)
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91 | vol=I4_SOUND_VOLUME_LEVELS-1;
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92 | if (vol<0) vol=0;
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93 |
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94 | if (g1_music_stream)
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95 | g1_music_stream->set_volume(vol);
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96 |
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97 | c->set("volume", new li_int(vol));
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98 | }
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99 | }
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100 |
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101 |
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102 |
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103 | static void restart_song(char *newfn)
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104 | {
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105 | if (g1_music_stream)
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106 | {
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107 | delete g1_music_stream;
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108 | g1_music_stream=0;
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109 | }
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110 |
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111 | char fn[100];
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112 | sprintf(fn, "%s/%s", s1_get_sfx_path(), newfn);
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113 |
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114 | if (i4_sound_man==&i4_null_sound)
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115 | music_count_down=100;
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116 | else
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117 | {
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118 |
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119 | i4_file_class *fp=i4_open(fn, I4_SUPPORT_ASYNC | I4_READ);
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120 | if (fp)
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121 | {
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122 | g1_music_stream=new i4_stream_wav_player(fp, 256*1024, i4_F, i4_T);
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123 | if (g1_music_stream->load_failed())
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124 | {
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125 | delete g1_music_stream;
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126 | g1_music_stream=0;
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127 | }
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128 | else
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129 | set_music_volume(get_music_volume());
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130 |
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131 | }
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132 | else
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133 | music_count_down=100; // wait 10 seconds before trying again
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134 | }
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135 | }
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136 |
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137 |
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138 |
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139 | li_object *g1_set_song(li_object *o, li_environment *env)
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140 | {
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141 | li_class *oldv=li_class::get(li_second(o,env),env);
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142 | li_class *newv=li_class::get(li_first(o,env),env);
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143 |
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144 | char *oldfn=li_get_string(oldv->value("songs"),env);
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145 | char *newfn=li_get_string(newv->value("songs"),env);
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146 |
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147 |
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148 | if (strcmp(oldfn,newfn))
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149 | restart_song(newfn);
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150 |
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151 |
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152 | if (g1_music_stream)
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153 | {
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154 | int vol=li_get_int(newv->value("volume"),env);
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155 | g1_music_stream->set_volume(vol);
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156 | }
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157 |
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158 |
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159 | return 0;
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160 | }
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161 |
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162 | li_object *g1_edit_music(li_object *o, li_environment *env)
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163 | {
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164 | li_create_dialog("Music",
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165 | li_get_value("music"),
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166 | 0,
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167 | g1_set_song);
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168 | return 0;
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169 | }
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170 |
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171 | li_object *g1_music_up(li_object *o, li_environment *env)
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172 | {
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173 | set_music_volume(get_music_volume()+8);
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174 | return 0;
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175 | }
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176 |
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177 |
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178 | li_object *g1_music_down(li_object *o, li_environment *env)
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179 | {
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180 | set_music_volume(get_music_volume()-8);
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181 | return 0;
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182 | }
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183 |
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184 | li_automatic_add_function(g1_edit_music, "edit_music");
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185 | li_automatic_add_function(g1_music_up, "music_up");
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186 | li_automatic_add_function(g1_music_down, "music_down");
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187 |
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188 | // should be calle by main game every tick, check to see if a new narative should be played
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189 | void g1_sound_manager_class::poll(i4_bool game_is_running)
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190 | {
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191 | i4_3d_vector listener;
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192 | s1_get_camera_pos(listener);
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193 | for (g1_sfx_obj_class *sfx=sfx_obj_list; sfx; sfx=sfx->next_sfx)
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194 | sfx->dist_from_camera_sqrd=(sfx->x - listener.x) * (sfx->x - listener.x) +
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195 | (sfx->y - listener.y) * (sfx->y - listener.y) +
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196 | (sfx->h - listener.z) * (sfx->h - listener.z);
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197 |
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198 |
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199 | if (game_is_running)
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200 | {
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201 | if (!g1_music_stream) // no more music, go to the next song
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202 | {
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203 | if (music_count_down) // this prevents trying to open a missing music file quickly
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204 | music_count_down--;
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205 | else
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206 | {
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207 | li_object *music=li_get_value("music");
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208 | if (music)
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209 | {
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210 | li_class *c=li_class::get(music,0);
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211 | li_object *list=li_cdr(li_class_get_property_list(c->type(), li_get_symbol("songs")),0), *o;
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212 | li_object *cur_song=c->value("songs");
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213 |
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214 | for (o=list; o && li_car(o,0)!=cur_song; o=li_cdr(o,0));
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215 |
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216 | if (o && !loop_current_song)
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217 | o=li_cdr(o,0);
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218 |
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219 | if (!o)
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220 | o=list;
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221 |
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222 | if (o)
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223 | {
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224 | cur_song=li_car(o,0);
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225 | c->set("songs", cur_song);
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226 | }
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227 | else
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228 | cur_song=0;
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229 |
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230 | if (cur_song)
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231 | restart_song(li_get_string(cur_song,0));
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232 |
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233 | }
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234 | }
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235 | }
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236 |
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237 | if (g1_music_stream)
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238 | if (!g1_music_stream->poll())
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239 | {
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240 | delete g1_music_stream;
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241 | g1_music_stream=0;
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242 | }
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243 |
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244 | for (g1_sfx_obj_class *s=sfx_obj_list; s; s=s->next_sfx)
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245 | {
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246 | if (s->stream)
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247 | {
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248 | float d=s->max_hearable_distance;
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249 | if (s->dist_from_camera_sqrd>d*d || !s->stream->poll())
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250 | {
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251 | delete s->stream;
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252 | s->stream=0;
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253 | s->current_delay=s->restart_delay;
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254 | if (s->random_restart_delay)
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255 | s->current_delay+=(i4_rand()%s->random_restart_delay);
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256 | }
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257 | }
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258 |
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259 | if (!s->stream)
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260 | {
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261 | if (s->current_delay)
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262 | s->current_delay--;
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263 | else if (s->dist_from_camera_sqrd<
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264 | s->max_hearable_distance*s->max_hearable_distance && s->filename)
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265 | {
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266 | if (i4_sound_man!=&i4_null_sound)
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267 | {
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268 | i4_file_class *fp=i4_open(*s->filename, I4_READ | I4_SUPPORT_ASYNC | I4_NO_BUFFER);
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269 | if (!fp)
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270 | {
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271 | i4_filename_struct fs;
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272 | i4_split_path(*s->filename, fs);
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273 |
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274 | char fn[256];
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275 | sprintf(fn, "%s/ambient/%s.%s", s1_get_sfx_path(), fs.filename, fs.extension);
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276 | fp=i4_open(fn, I4_READ | I4_SUPPORT_ASYNC | I4_NO_BUFFER);
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277 | }
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278 |
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279 | if (fp)
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280 | {
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281 | i4_bool loop=i4_F;
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282 | if (s->restart_delay==0 && s->random_restart_delay==0)
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283 | loop=i4_T;
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284 |
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285 | s->stream=new i4_stream_wav_player(fp, 64*1024, loop, i4_T);
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286 | if (s->stream->load_failed())
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287 | {
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288 | delete s->stream;
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289 | s->stream=0;
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290 | s->current_delay=10000;
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291 | }
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292 | }
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293 | else s->current_delay=10000;
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294 | }
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295 | }
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296 | }
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297 |
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298 | if (s->stream)
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299 | {
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300 | float d=sqrt(s->dist_from_camera_sqrd);
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301 | i4_float volume_scale = 1.f - (d / (float)s->max_hearable_distance);
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302 |
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303 | sw32 vol = i4_f_to_i(volume_scale * (float)s->max_volume);
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304 |
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305 | s->stream->set_volume(vol);
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306 | }
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307 |
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308 | }
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309 | }
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310 | }
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311 |
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312 | void g1_sound_manager_class::add_sfx_to_list(g1_sfx_obj_class *sfx)
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313 | {
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314 | sfx->next_sfx=sfx_obj_list;
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315 | sfx_obj_list=sfx;
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316 | }
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317 |
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318 | void g1_sound_manager_class::remove_sfx_from_list(g1_sfx_obj_class *sfx)
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319 | {
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320 | g1_sfx_obj_class *last=0, *p;
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321 | for (p=sfx_obj_list; p && p!=sfx;)
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322 | {
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323 | last=p;
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324 | p=p->next_sfx;
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325 | }
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326 |
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327 | I4_ASSERT(p, "remove_sfx_from_list : not in list");
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328 | if (last)
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329 | last->next_sfx=p->next_sfx;
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330 | else sfx_obj_list=p->next_sfx;
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331 | }
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332 |
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333 |
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334 |
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335 | li_object *g1_list_sfx(li_object *o, li_environment *env)
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336 | {
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337 | i4_file_class *fp=i4_open("sfx_list.txt", I4_WRITE);
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338 | if (fp)
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339 | {
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340 | s1_save_sfx_list(fp);
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341 |
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342 | for (g1_sfx_obj_class *s=g1_sound_man.sfx_obj_list; s; s=s->next_sfx)
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343 | {
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344 | char fname[256];
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345 | i4_os_string(*s->filename, fname, 256);
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346 |
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347 | fp->printf("filename '%s' : location (%f,%f,%f), global_id=%d\n",
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348 | fname, s->x, s->y, s->h, s->global_id);
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349 |
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350 | }
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351 | delete fp;
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352 | }
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353 |
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354 | return 0;
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355 | }
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356 |
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357 |
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358 |
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359 | class g1_sound_man_updater : public i4_idle_class
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360 | {
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361 | public:
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362 | virtual void idle()
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363 | {
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364 | if (g1_music_stream)
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365 | g1_sound_man.poll(i4_T); // update sound effects (play next narative sfx)
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366 | }
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367 |
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368 |
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369 | } g1_sound_man_updater_instance;
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370 |
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371 |
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372 |
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373 | static li_object *next_song(li_object *o, li_environment *env)
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374 | {
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375 | g1_sound_man.next_song();
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376 | return 0;
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377 | }
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378 |
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379 |
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380 | li_automatic_add_function(g1_list_sfx, "list_sfx");
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381 | li_automatic_add_function(next_song, "next_song");
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