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0
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1 /*
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2 * Copyright (c) 2004-2006 Kazunori "jagarl" Ueno
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 */
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27
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28 /* music.cc SDL_mixer を用いた音楽再生ルーチン */
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29
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30
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31 #include <string.h>
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32 #include <stdio.h>
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33 #include <unistd.h>
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34 #include <fcntl.h>
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35 #include <ctype.h>
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36 #include <signal.h>
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37 #include"system/system_config.h"
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38 #include"system/file.h"
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39 #include "music.h"
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52
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40 #include <SDL.h>
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41 #include <SDL_mixer.h>
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42 #include "wavfile.h"
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0
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43
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44 using namespace std;
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45
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52
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46 int pcm_enable = 0;
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0
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47 Mix_Chunk *play_chunk[MIX_PCM_SIZE];
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48
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49 MuSys::MuSys(AyuSysConfig& _config) : config(_config), movie_id(-1), music_enable(1) {
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50 int i;
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51 for (i=0; i<MIX_PCM_SIZE; i++)
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52 play_chunk[i] = 0;
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53 cdrom_track[0] = 0;
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54 effec_track[0] = 0;
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55 }
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56
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57
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58 // #define delete fprintf(stderr,"smus.cc: %d.",__LINE__), delete
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59
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26
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60 void bgm_start(const char* path, int loop_pt, int * volmod);
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61 void effec_start(int chn, const char* path, int loop, int fadein_time, int * volmod);
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0
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62 void bgm_fadeout(int time);
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63
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64 void MuSys::PlayCDROM(char* name, int play_count) {
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26
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65 config.GetParam("#VOLMOD", 4, &volmod[0], &volmod[1], &volmod[2], &volmod[3]);
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52
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66
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67 char wave[128];
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68 wave[127] = '\0';
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69 wave[0] = '\0';
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0
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70
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71 strcpy(cdrom_track, name);
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72
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73 StopCDROM(0);
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74 strcpy(cdrom_track, name);
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75
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76 /* name -> track */
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77 int track =config.track_name.CDTrack(name);
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78 if (track == -1) track = atoi(name);
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52
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79 if (config.track_name.WaveTrack(name) != NULL) strncpy(wave, config.track_name.WaveTrack(name), 127);
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0
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80 if (wave[0] == 0 && track != 0) { /* DSTRACK が見つからない場合、CDTRACKを使用する */
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52
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81 sprintf(wave, "audio_%02d", track);
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0
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82 }
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83 if (wave == 0) return;
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84 // BGM 再生
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85 if (!pcm_enable) return;
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86 if (play_count == 0)
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26
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87 bgm_start(wave, -1, volmod);
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0
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88 else
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26
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89 bgm_start(wave, config.track_name.TrackStart(name), volmod);
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90 return;
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91 }
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92
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93 void MuSys::StopCDROM(int time)
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94 {
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95 cdrom_track[0] = '\0';
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96 if (!pcm_enable) return;
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97 bgm_fadeout(time);
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98 }
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99
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100 void MuSys::PlaySE(const char* se, int loop_flag, int channel) {
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52
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101 if (!pcm_enable) return;
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0
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102 if (loop_flag)
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26
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103 effec_start(MIX_PCM_EFFEC, se, 10000, 0, volmod);
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0
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104 else
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26
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105 effec_start(MIX_PCM_EFFEC, se, 0, 0, volmod);
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0
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106 return;
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107 }
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108 void MuSys::PlaySE(int number) {
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109 if (! pcm_enable) return;
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110 const char* se_name = config.track_name.SETrack(number);
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52
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111 if (se_name == NULL) return;
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26
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112 effec_start(MIX_PCM_EFFEC, se_name, 0, 0, volmod);
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0
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113 return;
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114 }
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115 void MuSys::StopSE(int time) {
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52
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116 if (!pcm_enable) return;
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0
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117 if (time == 0)
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118 Mix_HaltChannel(MIX_PCM_EFFEC);
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119 else
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120 Mix_FadeOutChannel(MIX_PCM_EFFEC, time);
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121 }
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122 bool MuSys::IsStopSE(void) {
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52
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123 if (!pcm_enable) return true;
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0
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124 if (Mix_Playing(MIX_PCM_EFFEC) != 0) return false;
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125 return true;
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126 }
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127
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128 void MuSys::StopKoe(int time) {
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52
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129 if (!pcm_enable) return;
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0
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130 if (time == 0) Mix_HaltChannel(MIX_PCM_KOE);
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131 else Mix_FadeOutChannel(MIX_PCM_KOE, time);
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132 }
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133
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134 void MuSys::InitMusic(void)
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135 {
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136 if (music_enable != 1) return;
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137 cdrom_track[0] = '\0';
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138 if ( Mix_OpenAudio( 44100, MIX_DEFAULT_FORMAT, MIX_DEFAULT_CHANNELS, DEFAULT_AUDIOBUF ) < 0 ){
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139 // if ( Mix_OpenAudio( 48000, MIX_DEFAULT_FORMAT, MIX_DEFAULT_CHANNELS, DEFAULT_AUDIOBUF ) < 0 ){
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140 return;
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141 }
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142 int freq, channels; Uint16 format;
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143 if ( Mix_QuerySpec(&freq, &format, &channels) ) {
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144 WAVFILE::freq = freq;
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145 WAVFILE::format = format;
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146 WAVFILE::channels = channels;
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147 }
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148 pcm_enable = 1;
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149 Mix_AllocateChannels( MIX_PCM_SIZE);
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150 music_enable = 2;
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151 return;
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152 }
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153 void MuSys::FinalizeMusic(void)
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154 {
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155 if (music_enable != 2) return;
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156 int i;
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157 for (i=0; i<MIX_PCM_SIZE; i++) {
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158 Mix_HaltChannel(i);
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159 if (play_chunk[i]) {
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160 Mix_FreeChunk(play_chunk[i]);
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161 }
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162 play_chunk[i] = 0;
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163 }
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164 Mix_HaltMusic();
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165 Mix_HookMusic(0,0);
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166 Mix_CloseAudio();
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167 pcm_enable = 0;
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168 music_enable = 1;
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169 }
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170
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171 /*************************************************************************
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172 **
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173 ** ファイル読み込み / 外部コマンド呼び出し
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174 */
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175
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176 struct WavChunk {
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177 WAVFILE* wav;
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178 int loop_pt;
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26
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179 int *volmod;
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0
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180 static void callback(void* userdata, Uint8* stream, int len);
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181 };
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52
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182
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0
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183 WavChunk wav_playing;
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184 static int fadetime_total;
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185 static int fadecount;
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186
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187 void WavChunk::callback(void *userdata, Uint8 *stream, int len)
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188 {
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189 WavChunk* chunk = (WavChunk*)userdata;
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190 int count;
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191 if (chunk->loop_pt == -2) { // 再生終了後
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192 memset(stream, 0, len);
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193 return;
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194 }
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37
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195
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196 char* stream_dup = new char[len];
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197 count = chunk->wav->Read( (char*)stream_dup, 4, len/4);
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0
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198
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199 if (count != len/4) {
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200 // 最後まで再生した
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201 if (chunk->loop_pt == -1) { // 終了
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202 chunk->loop_pt = -2;
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37
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203 memset(stream_dup+count*4, 0, len-count*4);
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0
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204 } else {
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205 chunk->wav->Seek(chunk->loop_pt);
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37
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206 chunk->wav->Read( (char*)(stream_dup+count*4), 4, len/4-count);
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0
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207 }
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208 }
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3
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209
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26
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210 int cur_vol = (*chunk->volmod)*SDL_MIX_MAXVOLUME/255;
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3
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211
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0
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212 if (fadetime_total) {
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213 // 音楽を停止中 (fade out)
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214 int count_total = fadetime_total*(WAVFILE::freq/1000);
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215 if (fadecount > count_total || fadetime_total == 1) { // 音楽停止
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216 chunk->loop_pt = -2;
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217 memset(stream, 0, len);
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218 delete[] stream_dup;
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219 return;
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220 }
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3
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221 cur_vol = cur_vol*(count_total-fadecount)/count_total;
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222 fadecount += len/4;
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223 }
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37
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224
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3
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225 SDL_MixAudio(stream, (Uint8*)stream_dup, len, cur_vol);
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7
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226 delete[] stream_dup;
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227
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228 return;
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229 }
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230 void bgm_fadeout(int time) {
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231 fadecount = 0;
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232 if (time <= 0) time = 1;
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233 fadetime_total = time;
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234 }
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235
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236 static SDL_RWops* OpenSDLRW(const char* path);
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237 static WAVFILE* OpenWaveFile(const char* path);
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26
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238 void bgm_start(const char* path, int loop_pt, int * volmod) {
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0
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239 if (! pcm_enable) return;
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240 fprintf(stderr,"bgm start %s\n",path);
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241 WAVFILE* wav = OpenWaveFile(path);
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52
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242 if (wav == NULL) return;
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0
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243 Mix_PauseMusic();
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244 Mix_HaltMusic();
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245 Mix_HookMusic(0,0);
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246 /* 前に再生していたのを終了 */
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52
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247 if (wav_playing.wav != NULL) {
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0
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248 delete wav_playing.wav;
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52
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249 wav_playing.wav = NULL;
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0
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250 }
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251 wav_playing.wav = wav;
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252 wav_playing.loop_pt = loop_pt;
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253 wav_playing.volmod = &volmod[0];
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0
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254 fadetime_total = 0;
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255 fadecount = 0;
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256 Mix_HookMusic( &(WavChunk::callback), (void*)&wav_playing);
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257 }
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258
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26
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259 void effec_start(int chn, const char* path, int loop, int fadein_time, int * volmod) {
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0
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260 if (! pcm_enable) return;
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261 SDL_RWops* op = OpenSDLRW(path);
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52
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262 if (op == NULL) { // ファイルが見付からない
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0
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263 return;
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264 }
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265 Mix_Pause(chn);
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266
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267 if (play_chunk[chn]) {
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268 Mix_FreeChunk(play_chunk[chn]);
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269 }
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270 play_chunk[chn] = Mix_LoadWAV_RW(op, 1);
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271 if (fadein_time <= 0) {
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26
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272 Mix_Volume(chn, volmod[3]*SDL_MIX_MAXVOLUME/255);
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52
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273 Mix_PlayChannel(chn, play_chunk[chn], loop);
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0
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274 } else {
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26
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275 Mix_Volume(chn, volmod[3]*SDL_MIX_MAXVOLUME/255);
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52
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276 Mix_FadeInChannel(chn, play_chunk[chn], loop, fadein_time);
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0
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277 }
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278 }
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279
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280 void MuSys::PlayKoe(const char* path) {
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52
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281 if (!pcm_enable) return;
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282 static char* playing_koedata = NULL;
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0
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283 int len = 0;
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284 AvgKoeInfo koeinfo;
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285 int chn = MIX_PCM_KOE;
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286
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287 Mix_Pause(chn);
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288 Mix_HaltChannel(chn); // これで RWop が解放されるはず…
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289 if (play_chunk[chn]) {
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290 Mix_FreeChunk(play_chunk[chn]);
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291 play_chunk[chn] = 0;
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292 }
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293
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294 if (playing_koedata) {
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7
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295 free(playing_koedata);
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0
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296 playing_koedata = 0;
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297 }
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298
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299 koeinfo = OpenKoeFile(path);
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300
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52
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301 if (koeinfo.stream == NULL) return;
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0
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302 playing_koedata = decode_koe(koeinfo, &len);
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303 fclose(koeinfo.stream);
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52
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304 if (playing_koedata == NULL) {
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0
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305 return;
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306 }
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26
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307 Mix_Volume(chn, volmod[1]*SDL_MIX_MAXVOLUME/255);
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0
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308 play_chunk[chn] = Mix_LoadWAV_RW(SDL_RWFromMem(playing_koedata, len+0x2c), 1);
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52
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309 Mix_PlayChannel(chn, play_chunk[chn], 0);
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0
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310 }
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52
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311
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0
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312 AvgKoeInfo OpenKoeFile(const char* path) {
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313 int radix = 10000;
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314 /* if (global_system.Version() >= 2) */ radix *= 10;
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315 AvgKoeInfo info;
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52
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316 info.stream = NULL;
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317 info.length = 0;
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318 info.offset = 0;
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319 if (isdigit(path[0]) && strchr(path,'.') == NULL) { // 数値 (拡張子等なし)
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0
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320 /* avg32 形式の音声アーカイブのキャッシュを検索 */
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321 int pointer = atoi(path);
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322 int file_no = pointer / radix;
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323 int index = pointer % radix;
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324 info = FindKoe(file_no, index);
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325 } else { // ファイル
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326 int length;
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52
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327 ARCINFO* arcinfo = file_searcher.Find(FILESEARCH::KOE, path, ".WPD");
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328 if (arcinfo == NULL) return info;
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0
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329 info.stream = arcinfo->OpenFile(&length);
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330 info.rate = 22050;
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331 info.length = length;
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332 info.offset = ftell(info.stream);
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333 info.type = koe_unknown;
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334 delete arcinfo;
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335 }
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336 return info;
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337 }
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338
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339 static SDL_RWops* OpenSDLRW(const char* path) {
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340 /* まず wav ファイルを探す */
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52
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341 ARCINFO* info = file_searcher.Find(FILESEARCH::WAV, path, ".wav");
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342 if (info == NULL) {
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343 info = file_searcher.Find(FILESEARCH::WAV, path, ".nwa");
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344 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "nwa");
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345 if (info != NULL) { // read NWA file
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0
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346 int dummy;
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347 FILE* f = info->OpenFile(&dummy);
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348 static char* d = 0;
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349 int sz;
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350 if (d != 0) delete[] d;
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351 d = NWAFILE::ReadAll(f, sz);
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352 return SDL_RWFromMem(d, sz);
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353 }
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354 }
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52
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355 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "wav");
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356 if (info == NULL) info = file_searcher.Find(FILESEARCH::WAV, path, ".ogg");
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357 if (info != NULL) {
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0
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358 int dummy;
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359 FILE* f = info->OpenFile(&dummy);
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360 delete info;
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52
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361 if (f == NULL) return NULL;
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0
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362 SDL_RWops* op = SDL_RWFromFP(f, 1);
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363 return op;
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364 }
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52
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365 return NULL;
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0
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366 }
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367
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368 static WAVFILE* OpenWaveFile(const char* path) {
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369 /* まず wav ファイルを探す */
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52
|
370 ARCINFO* info = file_searcher.Find(FILESEARCH::WAV, path, ".wav");
|
|
|
371 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "wav");
|
|
|
372 if (info != NULL) {
|
|
0
|
373 int size;
|
|
|
374 FILE* f = info->OpenFile(&size);
|
|
|
375 delete info;
|
|
52
|
376 if (f == NULL) return NULL;
|
|
0
|
377 WAVFILE* w = WAVFILE::MakeConverter(new WAVFILE_Stream(f, size));
|
|
|
378 return w;
|
|
|
379 }
|
|
|
380 /* 次に nwa ファイル */
|
|
52
|
381 info = file_searcher.Find(FILESEARCH::WAV, path, ".nwa");
|
|
|
382 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "nwa");
|
|
|
383 if (info != NULL) {
|
|
0
|
384 int size;
|
|
|
385 FILE* f = info->OpenFile(&size);
|
|
|
386 delete info;
|
|
52
|
387 if (f == NULL) return NULL;
|
|
0
|
388 WAVFILE* w = WAVFILE::MakeConverter(new NWAFILE(f));
|
|
|
389 return w;
|
|
|
390 }
|
|
|
391
|
|
|
392 /* 次に mp3 ファイル */
|
|
52
|
393 info = file_searcher.Find(FILESEARCH::WAV, path, ".mp3");
|
|
|
394 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "mp3");
|
|
|
395 if (info != NULL) {
|
|
0
|
396 int size;
|
|
|
397 FILE* f = info->OpenFile(&size);
|
|
|
398 delete info;
|
|
52
|
399 if (f == NULL) return NULL;
|
|
0
|
400 MP3FILE* w = new MP3FILE(f, size);
|
|
52
|
401 if (w->pimpl != NULL) {
|
|
0
|
402 return WAVFILE::MakeConverter(w);
|
|
|
403 }
|
|
|
404 delete w;
|
|
|
405 }
|
|
|
406
|
|
|
407 /* 次に ogg ファイル */
|
|
52
|
408 info = file_searcher.Find(FILESEARCH::WAV, path, ".ogg");
|
|
|
409 if (info == NULL) info = file_searcher.Find(FILESEARCH::BGM, path, "ogg");
|
|
|
410 if (info != NULL) {
|
|
0
|
411 int size;
|
|
|
412 FILE* f = info->OpenFile(&size);
|
|
|
413 delete info;
|
|
52
|
414 if (f == NULL) return NULL;
|
|
0
|
415 OggFILE* w = new OggFILE(f, size);
|
|
52
|
416 if (w->pimpl != NULL) {
|
|
0
|
417 return WAVFILE::MakeConverter(w);
|
|
|
418 }
|
|
|
419 delete w;
|
|
|
420 }
|
|
52
|
421 return NULL;
|
|
0
|
422 }
|
|
|
423
|
