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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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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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43
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44 using namespace std;
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45
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46 int pcm_enable = 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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0
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66 char wave[128]; wave[127] = '\0'; wave[0] = '\0';
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67
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68 strcpy(cdrom_track, name);
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69
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70 StopCDROM(0);
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71 strcpy(cdrom_track, name);
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72
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73 /* name -> track */
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74 int track =config.track_name.CDTrack(name);
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75 if (track == -1) track = atoi(name);
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76 if (config.track_name.WaveTrack(name) != 0) strncpy(wave, config.track_name.WaveTrack(name), 127);
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77 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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78 sprintf(wave, "audio_%02d",track);
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79 }
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80 if (wave == 0) return;
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81 // BGM 再生
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82 if (!pcm_enable) return;
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83 if (play_count == 0)
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26
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84 bgm_start(wave, -1, volmod);
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0
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85 else
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26
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86 bgm_start(wave, config.track_name.TrackStart(name), volmod);
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0
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87 return;
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88 }
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89
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90 void MuSys::StopCDROM(int time)
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91 {
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92 cdrom_track[0] = '\0';
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93 if (!pcm_enable) return;
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94 bgm_fadeout(time);
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95 }
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96
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97 void MuSys::PlaySE(const char* se, int loop_flag, int channel) {
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98 if (! pcm_enable) return;
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99 if (loop_flag)
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26
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100 effec_start(MIX_PCM_EFFEC, se, 10000, 0, volmod);
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0
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101 else
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26
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102 effec_start(MIX_PCM_EFFEC, se, 0, 0, volmod);
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0
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103 return;
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104 }
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105 void MuSys::PlaySE(int number) {
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106 if (! pcm_enable) return;
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107 const char* se_name = config.track_name.SETrack(number);
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108 if (se_name == 0) return;
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26
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109 effec_start(MIX_PCM_EFFEC, se_name, 0, 0, volmod);
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0
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110 return;
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111 }
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112 void MuSys::StopSE(int time) {
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113 if (! pcm_enable) return;
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114 if (time == 0)
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115 Mix_HaltChannel(MIX_PCM_EFFEC);
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116 else
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117 Mix_FadeOutChannel(MIX_PCM_EFFEC, time);
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118 }
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119 bool MuSys::IsStopSE(void) {
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120 if (! pcm_enable) return true;
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121 if (Mix_Playing(MIX_PCM_EFFEC) != 0) return false;
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122 return true;
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123 }
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124
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125 void MuSys::StopKoe(int time) {
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126 if (! pcm_enable) return;
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127 if (time == 0) Mix_HaltChannel(MIX_PCM_KOE);
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128 else Mix_FadeOutChannel(MIX_PCM_KOE, time);
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129 }
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130
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131 void MuSys::InitMusic(void)
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132 {
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133 if (music_enable != 1) return;
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134 cdrom_track[0] = '\0';
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135 if ( Mix_OpenAudio( 44100, MIX_DEFAULT_FORMAT, MIX_DEFAULT_CHANNELS, DEFAULT_AUDIOBUF ) < 0 ){
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136 // if ( Mix_OpenAudio( 48000, MIX_DEFAULT_FORMAT, MIX_DEFAULT_CHANNELS, DEFAULT_AUDIOBUF ) < 0 ){
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137 return;
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138 }
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139 int freq, channels; Uint16 format;
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140 if ( Mix_QuerySpec(&freq, &format, &channels) ) {
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141 WAVFILE::freq = freq;
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142 WAVFILE::format = format;
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143 WAVFILE::channels = channels;
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144 }
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145 pcm_enable = 1;
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146 Mix_AllocateChannels( MIX_PCM_SIZE);
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147 music_enable = 2;
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148 return;
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149 }
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150 void MuSys::FinalizeMusic(void)
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151 {
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152 if (music_enable != 2) return;
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153 int i;
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154 for (i=0; i<MIX_PCM_SIZE; i++) {
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155 Mix_HaltChannel(i);
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156 if (play_chunk[i]) {
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157 Mix_FreeChunk(play_chunk[i]);
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158 }
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159 play_chunk[i] = 0;
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160 }
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161 Mix_HaltMusic();
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162 Mix_HookMusic(0,0);
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163 Mix_CloseAudio();
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164 pcm_enable = 0;
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165 music_enable = 1;
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166 }
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167
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168 /*************************************************************************
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169 **
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170 ** ファイル読み込み / 外部コマンド呼び出し
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171 */
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172
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173 struct WavChunk {
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174 WAVFILE* wav;
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175 int loop_pt;
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26
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176 int *volmod;
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0
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177 static void callback(void* userdata, Uint8* stream, int len);
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178 };
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179 WavChunk wav_playing;
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180 static int fadetime_total;
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181 static int fadecount;
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182
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183 void WavChunk::callback(void *userdata, Uint8 *stream, int len)
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184 {
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185 WavChunk* chunk = (WavChunk*)userdata;
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186 int count;
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187 if (chunk->loop_pt == -2) { // 再生終了後
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188 memset(stream, 0, len);
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189 return;
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190 }
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37
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191
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192 char* stream_dup = new char[len];
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193 count = chunk->wav->Read( (char*)stream_dup, 4, len/4);
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0
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194
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195 if (count != len/4) {
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196 // 最後まで再生した
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197 if (chunk->loop_pt == -1) { // 終了
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198 chunk->loop_pt = -2;
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37
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199 memset(stream_dup+count*4, 0, len-count*4);
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0
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200 } else {
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201 chunk->wav->Seek(chunk->loop_pt);
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37
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202 chunk->wav->Read( (char*)(stream_dup+count*4), 4, len/4-count);
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0
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203 }
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204 }
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3
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205
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206 int cur_vol = (*chunk->volmod)*SDL_MIX_MAXVOLUME/255;
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3
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207
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0
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208 if (fadetime_total) {
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209 // 音楽を停止中 (fade out)
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210 int count_total = fadetime_total*(WAVFILE::freq/1000);
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211 if (fadecount > count_total || fadetime_total == 1) { // 音楽停止
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212 chunk->loop_pt = -2;
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213 memset(stream, 0, len);
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214 delete[] stream_dup;
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215 return;
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216 }
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3
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217 cur_vol = cur_vol*(count_total-fadecount)/count_total;
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218 fadecount += len/4;
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219 }
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220
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3
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221 SDL_MixAudio(stream, (Uint8*)stream_dup, len, cur_vol);
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7
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222 delete[] stream_dup;
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37
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223
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224 return;
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225 }
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226 void bgm_fadeout(int time) {
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227 fadecount = 0;
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228 if (time <= 0) time = 1;
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229 fadetime_total = time;
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230 }
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231
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232 static SDL_RWops* OpenSDLRW(const char* path);
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233 static WAVFILE* OpenWaveFile(const char* path);
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26
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234 void bgm_start(const char* path, int loop_pt, int * volmod) {
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0
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235 if (! pcm_enable) return;
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236 fprintf(stderr,"bgm start %s\n",path);
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237 WAVFILE* wav = OpenWaveFile(path);
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238 if (wav == 0) return;
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239 Mix_PauseMusic();
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240 Mix_HaltMusic();
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241 Mix_HookMusic(0,0);
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242 /* 前に再生していたのを終了 */
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243 if (wav_playing.wav) {
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244 delete wav_playing.wav;
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245 wav_playing.wav = 0;
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246 }
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247 wav_playing.wav = wav;
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248 wav_playing.loop_pt = loop_pt;
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26
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249 wav_playing.volmod = &volmod[0];
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0
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250 fadetime_total = 0;
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251 fadecount = 0;
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252 Mix_HookMusic( &(WavChunk::callback), (void*)&wav_playing);
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253 return;
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254 }
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255
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26
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256 void effec_start(int chn, const char* path, int loop, int fadein_time, int * volmod) {
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0
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257 if (! pcm_enable) return;
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258 SDL_RWops* op = OpenSDLRW(path);
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259 if (op == 0) { // ファイルが見付からない
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260 return;
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261 }
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262 Mix_Pause(chn);
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263
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264 if (play_chunk[chn]) {
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265 Mix_FreeChunk(play_chunk[chn]);
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266 }
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267 play_chunk[chn] = Mix_LoadWAV_RW(op, 1);
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268 if (fadein_time <= 0) {
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26
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269 Mix_Volume(chn, volmod[3]*SDL_MIX_MAXVOLUME/255);
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0
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270 Mix_PlayChannel(chn, play_chunk[chn],loop);
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271 } else {
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26
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272 Mix_Volume(chn, volmod[3]*SDL_MIX_MAXVOLUME/255);
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0
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273 Mix_FadeInChannel(chn, play_chunk[chn],loop,fadein_time);
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274 }
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275 return;
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276 }
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277
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278 void MuSys::PlayKoe(const char* path) {
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279 if (! pcm_enable) return;
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280 static char* playing_koedata = 0;
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281 int len = 0;
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282 AvgKoeInfo koeinfo;
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283 int chn = MIX_PCM_KOE;
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284
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285 Mix_Pause(chn);
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286 Mix_HaltChannel(chn); // これで RWop が解放されるはず…
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287 if (play_chunk[chn]) {
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288 Mix_FreeChunk(play_chunk[chn]);
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289 play_chunk[chn] = 0;
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290 }
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291
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292 if (playing_koedata) {
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7
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293 free(playing_koedata);
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0
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294 playing_koedata = 0;
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295 }
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296
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297 koeinfo = OpenKoeFile(path);
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298
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299 if (koeinfo.stream == 0) return;
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300 playing_koedata = decode_koe(koeinfo, &len);
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301 fclose(koeinfo.stream);
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302 if (playing_koedata == 0) {
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303 return;
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304 }
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26
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305 Mix_Volume(chn, volmod[1]*SDL_MIX_MAXVOLUME/255);
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0
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306 play_chunk[chn] = Mix_LoadWAV_RW(SDL_RWFromMem(playing_koedata, len+0x2c), 1);
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307 Mix_PlayChannel(chn, play_chunk[chn],0);
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308 return;
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309 }
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310 AvgKoeInfo OpenKoeFile(const char* path) {
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311 int radix = 10000;
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312 /* if (global_system.Version() >= 2) */ radix *= 10;
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313 AvgKoeInfo info;
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314 info.stream = 0; info.length = 0; info.offset = 0;
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315 if (isdigit(path[0]) && strchr(path,'.') == 0) { // 数値 (拡張子等なし)
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316 /* avg32 形式の音声アーカイブのキャッシュを検索 */
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317 int pointer = atoi(path);
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318 int file_no = pointer / radix;
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319 int index = pointer % radix;
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320 info = FindKoe(file_no, index);
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321 } else { // ファイル
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322 int length;
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323 ARCINFO* arcinfo = file_searcher.Find(FILESEARCH::KOE,path,".WPD");
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324 if (arcinfo == 0) return info;
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325 info.stream = arcinfo->OpenFile(&length);
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326 info.rate = 22050;
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327 info.length = length;
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328 info.offset = ftell(info.stream);
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329 info.type = koe_unknown;
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330 delete arcinfo;
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331 }
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332 return info;
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333 }
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334
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335 static SDL_RWops* OpenSDLRW(const char* path) {
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336 /* まず wav ファイルを探す */
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337 ARCINFO* info = file_searcher.Find(FILESEARCH::WAV,path,".wav");
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338 if (info == 0) {
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339 info = file_searcher.Find(FILESEARCH::WAV,path,".nwa");
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340 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"nwa");
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341 if (info) { // read NWA file
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342
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343 int dummy;
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344 FILE* f = info->OpenFile(&dummy);
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345 static char* d = 0;
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346 int sz;
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347 if (d != 0) delete[] d;
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348 d = NWAFILE::ReadAll(f, sz);
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349 return SDL_RWFromMem(d, sz);
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350 }
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351 }
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352 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"wav");
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353 if (info == 0) info = file_searcher.Find(FILESEARCH::WAV,path,".ogg");
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354 if (info) {
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355 int dummy;
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356 FILE* f = info->OpenFile(&dummy);
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357 delete info;
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358 if (f == 0) return 0;
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359 SDL_RWops* op = SDL_RWFromFP(f, 1);
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360 return op;
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361 }
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362 return 0;
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363 }
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364
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365 static WAVFILE* OpenWaveFile(const char* path) {
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366 /* まず wav ファイルを探す */
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367 ARCINFO* info = file_searcher.Find(FILESEARCH::WAV,path,".wav");
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368 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"wav");
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369 if (info) {
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370 int size;
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371 FILE* f = info->OpenFile(&size);
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372 delete info;
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373 if (f == 0) return 0;
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374 WAVFILE* w = WAVFILE::MakeConverter(new WAVFILE_Stream(f, size));
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375 return w;
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376 }
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377 /* 次に nwa ファイル */
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378 info = file_searcher.Find(FILESEARCH::WAV,path,".nwa");
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379 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"nwa");
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380 if (info) {
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381 int size;
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382 FILE* f = info->OpenFile(&size);
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383 delete info;
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384 if (f == 0) return 0;
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385 WAVFILE* w = WAVFILE::MakeConverter(new NWAFILE(f));
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386 return w;
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387 }
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388
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389 /* 次に mp3 ファイル */
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390 info = file_searcher.Find(FILESEARCH::WAV,path,".mp3");
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|
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391 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"mp3");
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392 if (info) {
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|
|
393 int size;
|
|
|
394 FILE* f = info->OpenFile(&size);
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|
|
395 delete info;
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|
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396 if (f == 0) return 0;
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|
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397 MP3FILE* w = new MP3FILE(f, size);
|
|
|
398 if (w->pimpl) {
|
|
|
399 return WAVFILE::MakeConverter(w);
|
|
|
400 }
|
|
|
401 delete w;
|
|
|
402 }
|
|
|
403
|
|
|
404 /* 次に ogg ファイル */
|
|
|
405 info = file_searcher.Find(FILESEARCH::WAV,path,".ogg");
|
|
|
406 if (info == 0) info = file_searcher.Find(FILESEARCH::BGM,path,"ogg");
|
|
|
407 if (info) {
|
|
|
408 int size;
|
|
|
409 FILE* f = info->OpenFile(&size);
|
|
|
410 delete info;
|
|
|
411 if (f == 0) return 0;
|
|
|
412 OggFILE* w = new OggFILE(f, size);
|
|
|
413 if (w->pimpl) {
|
|
|
414 return WAVFILE::MakeConverter(w);
|
|
|
415 }
|
|
|
416 delete w;
|
|
|
417 }
|
|
|
418 return 0;
|
|
|
419 }
|
|
|
420
|
