music.c

   1 #include "glob.h"
   2 #include "sound.h"
   3 #include <SDL.h>
   4 #include <SDL_mixer.h>
   5
   6 short mus_vol = 50;
   7
   8 Mix_Music * muslo;
   9
  10 int hhhhh;
  11
  12 char music_random = ON;
  13 int music_time = 3;
  14 int music_fade = 5;
  15
  16 Uint32 muscount;
  17
  18 int musdisabled = 1;
  19
  20 void S_initmusic(void)
  21 {
  22     if (!SDL_WasInit(SDL_INIT_AUDIO)) {
  23         if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
  24             fprintf(stderr, "\nUnable to initialize audio:  %s\n", SDL_GetError());
  25             musdisabled=1;
  26             return;
  27         }
  28
  29         if (Mix_OpenAudio(22050, AUDIO_S16, 1, 1000) < 0) {
  30             fprintf(stderr, "Error initializing SDL_mixer: %s\n", Mix_GetError());
  31             musdisabled=1;
  32             return;
  33         }
  34     }
  35
  36     muslo=NULL;
  37
  38     muscount=0;
  39
  40     musdisabled = (mus_vol==0);
  41
  42    S_volumemusic(mus_vol);
  43 }
  44
  45 void S_donemusic(void)
  46 {
  47     F_freemus();
  48     Mix_CloseAudio();
  49     SDL_QuitSubSystem(SDL_INIT_AUDIO);
  50 }
  51
  52 void S_startmusic(int time)
  53 {
  54     if (musdisabled) return;
  55     Mix_PlayMusic(muslo, -1);
  56     Mix_VolumeMusic(mus_vol);
  57     muscount=time*60*1000/DELAY;
  58 }
  59
  60 void S_stopmusic(void)
  61 {
  62     if (musdisabled) return;
  63     Mix_HaltMusic();
  64     muscount = 0;
  65 }
  66
  67 void S_volumemusic(int v)
  68 {
  69     if (musdisabled) return;
  70     mus_vol = v;
  71     if (mus_vol>128) mus_vol=128;
  72     if (mus_vol<0) mus_vol=0;
  73     if (mus_vol==0 && Mix_PlayingMusic()) {
  74         S_stopmusic();
  75     }
  76     else if (mus_vol>0 && !Mix_PlayingMusic()) {
  77         S_startmusic(music_time);
  78     }
  79     else {
  80         Mix_VolumeMusic(v);
  81     }
  82 }
  83
  84 struct {
  85     Uint8 ascii;
  86     Uint8 asciilc;
  87     char *ch;
  88 } atrans[] = {
  89     {0x80, 0xA0, "A"},//А
  90     {0x81, 0xA1, "B"},//Б
  91     {0x82, 0xA2, "V"},//В
  92     {0x83, 0xA3, "G"},//Г
  93     {0x84, 0xA4, "D"},//Д
  94     {0x85, 0xA5, "E"},//Е
  95     {0x86, 0xA6, "ZH"},//Ж
  96     {0x87, 0xA7, "Z"},//З
  97     {0x88, 0xA8, "I"},//И
  98     {0x89, 0xA9, "J"},//Й
  99     {0x8A, 0xAA, "K"},//К
 100     {0x8B, 0xAB, "L"},//Л
 101     {0x8C, 0xAC, "M"},//М
 102     {0x8D, 0xAD, "N"},//Н
 103     {0x8E, 0xAE, "O"},//О
 104     {0x8F, 0xAF, "P"},//П
 105     {0x90, 0xE0, "R"},//Р
 106     {0x91, 0xE1, "S"},//С
 107     {0x92, 0xE2, "T"},//Т
 108     {0x93, 0xE3, "U"},//У
 109     {0x94, 0xE4, "F"},//Ф
 110     {0x95, 0xE5, "H"},//Х
 111     {0x96, 0xE6, "C"},//Ц
 112     {0x97, 0xE7, "CH"},//Ч
 113     {0x98, 0xE8, "SH"},//Ш
 114     {0x99, 0xE9, "SCH"},//Щ
 115     {0x9A, 0xEA, "X"},//Ъ
 116     {0x9B, 0xEB, "Y"},//Ы
 117     {0x9C, 0xEC, "J"},//Ь
 118     {0x9D, 0xED, "E"},//Э
 119     {0x9E, 0xEE, "JU"},//Ю
 120     {0x9F, 0xEF, "JA"},//Я
 121     {0}
 122 };
 123
 124 char *get_trans_char (Uint8 c)
 125 {
 126     int i = 0;
 127     while (atrans[i].ascii) {
 128
 129         if (atrans[i].ascii == c || atrans[i].asciilc == c) {
 130             return atrans[i].ch;
 131         }
 132         i++;
 133     }
 134     return NULL;
 135 }
 136
 137 void trans_ascii_str (char *dest, char *src)
 138 {
 139     char *p = dest;
 140     int i;
 141     for (i=0; i<strlen(src); i++) {
 142         char *ch = get_trans_char(src[i]);
 143         if (ch) {
 144             strcpy(p,ch);
 145             p+=strlen(ch);
 146         }
 147         else {
 148             strncpy(p,&src[i],1);
 149             p++;
 150         }
 151     }
 152     *p='\0';
 153 }
 154
 155 void F_loadmus(char n[8]) {
 156     if (musdisabled) return;
 157     char f[50];
 158 #ifndef WIN32
 159     strcpy(f,"music/");
 160 #else
 161     strcpy(f,"music\\");
 162 #endif
 163     strncpy(&f[6], n, 8);
 164     f[6+8]='\0';
 165     muslo = Mix_LoadMUS(f);
 166     if (muslo == NULL) {
 167         char name[50];
 168         trans_ascii_str(name, f);
 169         muslo = Mix_LoadMUS(name);
 170         if (!muslo) logo("Music not found '%s'\n", name);
 171     }
 172 }
 173
 174
 175 void F_freemus(void) {
 176     if (musdisabled) return;
 177     if (muslo) {
 178         Mix_HaltMusic();
 179         Mix_FreeMusic(muslo);
 180     }
 181     muslo = NULL;
 182 }
 183
 184 extern byte g_music[8];
 185
 186 static int volsetcount = 0;
 187
 188 void S_updatemusic()
 189 {
 190     if (musdisabled) return;
 191
 192     //періодично встановлюю гучність музикі, так як вона сама підвищується до максимуму через певний час
 193     volsetcount++;
 194     if (volsetcount%(5*1000/DELAY)==0) {
 195         S_volumemusic(mus_vol);
 196     }
 197
 198     if (muscount>0) {
 199         if (muscount < music_fade*1100/DELAY) {
 200             Mix_FadeOutMusic(music_fade*1000);
 201         }
 202         muscount--;
 203         if (muscount==0) {
 204             if (music_random) F_randmus(g_music);
 205             else F_nextmus(g_music);
 206             F_freemus();
 207             F_loadmus(g_music);
 208             S_startmusic(music_time);
 209         }
 210     }
 211 }