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298 | serge | 1 | // Emacs style mode select -*- C++ -*- |
2 | //----------------------------------------------------------------------------- |
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3 | // |
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4 | // $Id:$ |
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5 | // |
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6 | // Copyright (C) 1993-1996 by id Software, Inc. |
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7 | // |
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8 | // This source is available for distribution and/or modification |
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9 | // only under the terms of the DOOM Source Code License as |
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10 | // published by id Software. All rights reserved. |
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11 | // |
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12 | // The source is distributed in the hope that it will be useful, |
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13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License |
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15 | // for more details. |
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16 | // |
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17 | // $Log:$ |
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18 | // |
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19 | // DESCRIPTION: none |
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20 | // |
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21 | //----------------------------------------------------------------------------- |
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22 | |||
23 | |||
24 | static const char |
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25 | rcsid[] = "$Id: s_sound.c,v 1.6 1997/02/03 22:45:12 b1 Exp $"; |
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26 | |||
27 | |||
28 | #include |
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29 | #include |
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30 | |||
31 | #include "i_system.h" |
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32 | #include "i_sound.h" |
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33 | #include "sounds.h" |
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34 | #include "s_sound.h" |
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35 | |||
36 | #include "z_zone.h" |
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37 | #include "m_random.h" |
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38 | #include "w_wad.h" |
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39 | |||
40 | #include "doomdef.h" |
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41 | #include "p_local.h" |
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42 | //#include "m_music.h" |
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43 | |||
44 | #include "doomstat.h" |
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45 | |||
46 | //#include "qmus2mid.h" |
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47 | |||
342 | serge | 48 | |
49 | #include "kolibri.h" |
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374 | serge | 50 | #include "sound.h" |
342 | serge | 51 | |
298 | serge | 52 | void WriteDebug(char *); |
53 | |||
54 | // Purpose? |
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55 | const char snd_prefixen[] |
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56 | = { 'P', 'P', 'A', 'S', 'S', 'S', 'M', 'M', 'M', 'S', 'S', 'S' }; |
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57 | |||
333 | serge | 58 | #define S_MAX_VOLUME 127 |
298 | serge | 59 | |
60 | // when to clip out sounds |
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61 | // Does not fit the large outdoor areas. |
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333 | serge | 62 | #define S_CLIPPING_DIST (1200*0x10000) |
298 | serge | 63 | |
64 | // Distance tp origin when sounds should be maxed out. |
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65 | // This should relate to movement clipping resolution |
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66 | // (see BLOCKMAP handling). |
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67 | // Originally: (200*0x10000). |
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333 | serge | 68 | #define S_CLOSE_DIST (160*0x10000) |
298 | serge | 69 | |
70 | |||
333 | serge | 71 | #define S_ATTENUATOR ((S_CLIPPING_DIST-S_CLOSE_DIST)>>FRACBITS) |
298 | serge | 72 | |
73 | // Adjustable by menu. |
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333 | serge | 74 | #define NORM_VOLUME snd_MaxVolume |
298 | serge | 75 | |
333 | serge | 76 | #define NORM_PITCH 128 |
77 | #define NORM_PRIORITY 64 |
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78 | #define NORM_SEP 128 |
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298 | serge | 79 | |
333 | serge | 80 | #define S_PITCH_PERTURB 1 |
81 | #define S_STEREO_SWING (96*0x10000) |
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298 | serge | 82 | |
83 | // percent attenuation from front to back |
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333 | serge | 84 | #define S_IFRACVOL 30 |
298 | serge | 85 | |
333 | serge | 86 | #define NA 0 |
87 | //#define S_NUMCHANNELS 2 |
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88 | #define NUM_CHANNELS 16 |
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298 | serge | 89 | |
90 | // Current music/sfx card - index useless |
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91 | // w/o a reference LUT in a sound module. |
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92 | extern int snd_MusicDevice; |
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93 | extern int snd_SfxDevice; |
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94 | // Config file? Same disclaimer as above. |
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95 | extern int snd_DesiredMusicDevice; |
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96 | extern int snd_DesiredSfxDevice; |
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97 | |||
98 | |||
99 | typedef struct |
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100 | { |
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101 | // sound information (if null, channel avail.) |
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333 | serge | 102 | sfxinfo_t* sfxinfo; |
298 | serge | 103 | |
104 | // origin of sound |
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333 | serge | 105 | void* origin; |
298 | serge | 106 | |
107 | // handle of the sound being played |
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333 | serge | 108 | int handle; |
298 | serge | 109 | |
110 | } channel_t; |
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111 | |||
112 | |||
113 | // the set of channels available |
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333 | serge | 114 | static channel_t* channels; |
298 | serge | 115 | |
116 | // These are not used, but should be (menu). |
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117 | // Maximum volume of a sound effect. |
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118 | // Internal default is max out of 0-15. |
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342 | serge | 119 | int snd_SfxVolume = 15; |
298 | serge | 120 | |
121 | // Maximum volume of music. Useless so far. |
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342 | serge | 122 | int snd_MusicVolume = 15; |
298 | serge | 123 | |
124 | |||
125 | |||
126 | // whether songs are mus_paused |
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333 | serge | 127 | static boolean mus_paused; |
298 | serge | 128 | |
129 | // music currently being played |
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333 | serge | 130 | static musicinfo_t* mus_playing=0; |
298 | serge | 131 | |
132 | // following is set |
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133 | // by the defaults code in M_misc: |
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134 | // number of channels available |
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333 | serge | 135 | int numChannels; |
298 | serge | 136 | |
333 | serge | 137 | static int nextcleanup; |
298 | serge | 138 | |
139 | |||
140 | |||
141 | // |
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142 | // Internals. |
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143 | // |
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144 | int |
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145 | S_getChannel |
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333 | serge | 146 | ( void* origin, |
147 | sfxinfo_t* sfxinfo, |
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298 | serge | 148 | int sfxid ); |
149 | |||
150 | |||
151 | int |
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152 | S_AdjustSoundParams |
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333 | serge | 153 | ( mobj_t* listener, |
154 | mobj_t* source, |
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155 | int* vol, |
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156 | int* sep, |
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157 | int* pitch ); |
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298 | serge | 158 | |
159 | void S_StopChannel(int cnum); |
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160 | |||
161 | |||
162 | |||
163 | // |
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164 | // Initializes sound stuff, including volume |
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165 | // Sets channels, SFX and music volume, |
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166 | // allocates channel buffer, sets S_sfx lookup. |
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167 | // |
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342 | serge | 168 | |
169 | |||
374 | serge | 170 | SNDBUF hMixBuff; |
171 | volatile int sound_state; |
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172 | void sound_proc(void); |
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173 | void I_UpdateSound( void ); |
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174 | |||
298 | serge | 175 | void S_Init |
333 | serge | 176 | ( int sfxVolume, |
177 | int musicVolume ) |
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298 | serge | 178 | { |
333 | serge | 179 | int i; |
374 | serge | 180 | char *thread_stack; |
298 | serge | 181 | |
182 | numChannels = NUM_CHANNELS; |
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183 | |||
184 | // Whatever these did with DMX, these are rather dummies now. |
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185 | I_SetChannels(); |
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186 | |||
187 | S_SetSfxVolume(sfxVolume); |
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188 | // No music with Linux - another dummy. |
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189 | S_SetMusicVolume(musicVolume); |
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190 | |||
191 | // Allocating the internal channels for mixing |
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192 | // (the maximum numer of sounds rendered |
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193 | // simultaneously) within zone memory. |
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194 | channels = |
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195 | (channel_t *) Z_Malloc(numChannels*sizeof(channel_t), PU_STATIC, 0); |
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196 | |||
197 | // Free all channels for use |
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198 | for (i=0 ; i |
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199 | channels[i].sfxinfo = 0; |
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200 | |||
201 | // no sounds are playing, and they are not mus_paused |
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202 | mus_paused = 0; |
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203 | |||
204 | // Note that sounds have not been cached (yet). |
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205 | for (i=1 ; i |
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206 | S_sfx[i].lumpnum = S_sfx[i].usefulness = -1; |
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374 | serge | 207 | |
208 | |||
209 | /******** |
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210 | if((ver = InitSound())< SOUND_VERSION ) |
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211 | { |
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212 | printf("Sound service version mismatch\n\r"); |
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213 | printf("Installed version: %d, required version %d\n\r", |
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214 | ver, SOUND_VERSION); |
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215 | }; |
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216 | |||
217 | hMixBuff = CreateBuffer(PCM_2_16_11,0); |
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218 | |||
219 | *********/ |
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220 | |||
221 | thread_stack = UserAlloc(4096); |
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222 | thread_stack+=4092; |
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223 | |||
224 | sound_state=1; |
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225 | CreateThread(sound_proc, thread_stack); |
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298 | serge | 226 | } |
227 | |||
374 | serge | 228 | typedef struct |
229 | { |
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230 | unsigned int code; |
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231 | unsigned int sender; |
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232 | unsigned int stream; |
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233 | unsigned int offset; |
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234 | unsigned int size; |
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235 | unsigned int unused; |
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236 | }SND_EVENT; |
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237 | |||
238 | unsigned int mix_offset; |
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239 | int mix_size; |
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240 | extern signed short *mixbuffer; |
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241 | |||
242 | void sound_proc(void) |
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243 | { |
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244 | int ver; |
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376 | serge | 245 | int err; |
374 | serge | 246 | SND_EVENT evnt; |
247 | int i; |
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376 | serge | 248 | |
249 | if(err = InitSound(&ver)) |
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250 | { |
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251 | printf("Error %x Sound service not installed\n\r", err); |
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252 | _asm |
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253 | { |
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254 | mov eax, -1 |
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255 | int 0x40 |
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256 | }; |
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257 | } |
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258 | |||
374 | serge | 259 | |
376 | serge | 260 | if(ver< SOUND_VERSION) |
374 | serge | 261 | { |
262 | printf("Sound service version mismatch\n\r"); |
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263 | printf("Installed version: %d, required version %d\n\r", |
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264 | ver, SOUND_VERSION); |
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376 | serge | 265 | _asm |
266 | { |
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267 | mov eax, -1 |
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268 | int 0x40 |
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269 | }; |
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374 | serge | 270 | }; |
271 | |||
376 | serge | 272 | if (err = CreateBuffer(PCM_2_16_11|PCM_RING,0, &hMixBuff)) |
273 | { |
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274 | printf("Error %x sound not available\n\r", err); |
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275 | printf("handle = %x\n\r", hMixBuff); |
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276 | _asm |
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277 | { |
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278 | mov eax, -1 |
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279 | int 0x40 |
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280 | }; |
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281 | } |
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374 | serge | 282 | |
376 | serge | 283 | if(err = GetBufferSize(hMixBuff, &mix_size)) |
374 | serge | 284 | { |
376 | serge | 285 | printf("Error %x get buffer size\n\r", err); |
286 | printf("size = %x\n\r", mix_size); |
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374 | serge | 287 | _asm |
288 | { |
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289 | mov eax, -1 |
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290 | int 0x40 |
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291 | }; |
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292 | }; |
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376 | serge | 293 | mix_size= mix_size/2; |
294 | |||
374 | serge | 295 | printf("mixer size %d\n\r", mix_size); |
296 | |||
376 | serge | 297 | if(err=PlayBuffer(hMixBuff, 0)) |
298 | { |
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299 | printf("Error %x play buffer\n\r", err); |
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300 | _asm |
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301 | { |
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302 | mov eax, -1 |
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303 | int 0x40 |
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304 | }; |
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305 | } |
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306 | |||
374 | serge | 307 | mixbuffer = malloc(mix_size); |
308 | |||
309 | while(sound_state) |
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310 | { |
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311 | GetNotify(&evnt); |
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312 | |||
313 | if(evnt.code != 0xFF000001) |
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314 | { |
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315 | printf("invalid code %d\n\r", evnt.code); |
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316 | continue; |
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317 | } |
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318 | |||
319 | if(evnt.stream != hMixBuff) |
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320 | { |
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321 | printf("invalid stream %d hMixBuff= %d\n\r", evnt.stream, hMixBuff); |
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322 | continue; |
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323 | }; |
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324 | mix_offset= evnt.offset; |
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325 | I_UpdateSound(); |
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326 | }; |
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327 | |||
328 | //flush sound buffers |
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329 | |||
330 | for(i=0; i<32; i++) |
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331 | { |
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332 | GetNotify(&evnt); |
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333 | |||
334 | if(evnt.code != 0xFF000001) |
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335 | { |
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336 | printf("invalid code %d\n\r", evnt.code); |
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337 | continue; |
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338 | } |
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339 | |||
340 | if(evnt.stream != hMixBuff) |
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341 | { |
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342 | printf("invalid stream %d hMixBuff= %d\n\r", evnt.stream, hMixBuff); |
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343 | continue; |
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344 | }; |
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345 | mix_offset= evnt.offset; |
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346 | I_UpdateSound(); |
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347 | }; |
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348 | |||
349 | _asm |
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350 | { |
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351 | mov eax, -1 |
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352 | int 0x40 |
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353 | }; |
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354 | |||
355 | }; |
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356 | |||
298 | serge | 357 | // |
358 | // Per level startup code. |
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359 | // Kills playing sounds at start of level, |
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360 | // determines music if any, changes music. |
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361 | // |
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362 | void S_Start(void) |
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363 | { |
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364 | int cnum; |
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365 | int mnum; |
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366 | |||
367 | // kill all playing sounds at start of level |
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368 | // (trust me - a good idea) |
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369 | for (cnum=0 ; cnum |
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370 | if (channels[cnum].sfxinfo) |
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371 | S_StopChannel(cnum); |
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372 | |||
373 | // start new music for the level |
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374 | mus_paused = 0; |
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375 | |||
376 | if (gamemode == commercial) |
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333 | serge | 377 | mnum = mus_runnin + gamemap - 1; |
298 | serge | 378 | else |
379 | { |
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333 | serge | 380 | int spmus[]= |
381 | { |
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382 | // Song - Who? - Where? |
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383 | mus_e3m4, // American e4m1 |
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384 | mus_e3m2, // Romero e4m2 |
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385 | mus_e3m3, // Shawn e4m3 |
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386 | mus_e1m5, // American e4m4 |
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387 | mus_e2m7, // Tim e4m5 |
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388 | mus_e2m4, // Romero e4m6 |
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389 | mus_e2m6, // J.Anderson e4m7 CHIRON.WAD |
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390 | mus_e2m5, // Shawn e4m8 |
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391 | mus_e1m9 // Tim e4m9 |
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392 | }; |
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393 | |||
394 | if (gameepisode < 4) |
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395 | mnum = mus_e1m1 + (gameepisode-1)*9 + gamemap-1; |
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396 | else |
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397 | mnum = spmus[gamemap-1]; |
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398 | } |
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298 | serge | 399 | |
400 | // HACK FOR COMMERCIAL |
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333 | serge | 401 | // if (commercial && mnum > mus_e3m9) |
298 | serge | 402 | // mnum -= mus_e3m9; |
403 | |||
404 | S_ChangeMusic(mnum, true); |
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405 | |||
406 | nextcleanup = 15; |
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333 | serge | 407 | } |
298 | serge | 408 | |
409 | void S_StartSoundAtVolume( void *origin_p, int sfx_id, int volume ) |
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410 | { |
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411 | int rc; |
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412 | int sep; |
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413 | int pitch; |
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414 | int priority; |
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415 | sfxinfo_t *sfx; |
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416 | int cnum; |
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417 | // int chnum; <-- 10.9.98 compiler warning |
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418 | |||
333 | serge | 419 | mobj_t* origin = (mobj_t *)origin_p; |
298 | serge | 420 | |
421 | //WriteDebug("S_StartSoundAtVolume...\n"); |
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422 | |||
423 | // Debug. |
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424 | /*fprintf( stderr,"S_StartSoundAtVolume: playing sound %d (%s)\n",sfx_id, S_sfx[sfx_id].name );*/ |
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425 | |||
426 | // check for bogus sound # |
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427 | if (sfx_id < 1 || sfx_id > NUMSFX) |
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428 | I_Error("Bad sfx #: %d", sfx_id); |
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429 | |||
430 | sfx = &S_sfx[sfx_id]; |
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431 | |||
432 | // Initialize sound parameters |
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433 | if (sfx->link) |
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434 | { |
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435 | pitch = sfx->pitch; |
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436 | priority = sfx->priority; |
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437 | volume += sfx->volume; |
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438 | |||
439 | if (volume < 1) |
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440 | { |
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441 | //WriteDebug("Volume off...\n"); |
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442 | return; |
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443 | } |
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444 | |||
445 | if (volume > snd_SfxVolume) |
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446 | volume = snd_SfxVolume; |
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333 | serge | 447 | } |
298 | serge | 448 | else |
449 | { |
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450 | pitch = NORM_PITCH; |
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451 | priority = NORM_PRIORITY; |
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452 | } |
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453 | |||
454 | |||
455 | // Check to see if it is audible, |
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456 | // and if not, modify the params |
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457 | if (origin && origin != players[consoleplayer].mo) |
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458 | { |
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459 | rc = S_AdjustSoundParams(players[consoleplayer].mo, origin, &volume, &sep, &pitch); |
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460 | if ( origin->x == players[consoleplayer].mo->x && origin->y == players[consoleplayer].mo->y) |
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333 | serge | 461 | { |
298 | serge | 462 | sep = NORM_SEP; |
463 | } |
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464 | if (!rc) |
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465 | { |
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466 | //WriteDebug("No rc from S_AdjustSoundParams...\n"); |
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467 | return; |
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468 | } |
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333 | serge | 469 | } |
298 | serge | 470 | else |
471 | { |
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472 | sep = NORM_SEP; |
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473 | } |
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474 | |||
475 | // hacks to vary the sfx pitches |
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476 | if (sfx_id >= sfx_sawup && sfx_id <= sfx_sawhit) |
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333 | serge | 477 | { |
298 | serge | 478 | pitch += 8 - (M_Random()&15); |
479 | if (pitch < 0) |
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480 | pitch = 0; |
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481 | else |
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482 | if (pitch>255) |
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483 | pitch = 255; |
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484 | } |
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485 | else |
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486 | if (sfx_id != sfx_itemup && sfx_id != sfx_tink) |
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487 | { |
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488 | pitch += 16 - (M_Random()&31); |
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489 | if (pitch<0) |
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490 | pitch = 0; |
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491 | else |
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492 | if (pitch > 255) |
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493 | pitch = 255; |
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494 | } |
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495 | |||
496 | // kill old sound |
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497 | S_StopSound(origin); |
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498 | |||
499 | // try to find a channel |
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500 | cnum = S_getChannel(origin, sfx, sfx_id); |
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501 | |||
502 | if (cnum<0) |
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503 | { |
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504 | //WriteDebug("cnum < 0 -- no channel...\n"); |
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505 | return; |
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506 | } |
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507 | |||
508 | // |
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509 | // This is supposed to handle the loading/caching. |
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510 | // For some odd reason, the caching is done nearly |
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511 | // each time the sound is needed? |
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512 | // |
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513 | |||
514 | // get lumpnum if necessary |
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515 | if (sfx->lumpnum < 0) |
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516 | sfx->lumpnum = I_GetSfxLumpNum(sfx); |
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517 | |||
518 | // cache data if necessary |
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519 | if (!sfx->data) |
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520 | { |
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521 | sfx->data = (void *) W_CacheLumpNum(sfx->lumpnum, PU_MUSIC); |
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522 | |||
523 | } |
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524 | |||
525 | // increase the usefulness |
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526 | if (sfx->usefulness++ < 0) |
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527 | sfx->usefulness = 1; |
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528 | |||
529 | // Assigns the handle to one of the channels in the |
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530 | // mix/output buffer. |
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531 | //WriteDebug("I_StartSound...\n"); |
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333 | serge | 532 | channels[cnum].handle = I_StartSound(sfx_id,volume,sep,pitch,priority); |
298 | serge | 533 | channels[cnum].handle = cnum; |
534 | channels[cnum].sfxinfo = sfx; |
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535 | channels[cnum].origin = origin; |
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333 | serge | 536 | } |
298 | serge | 537 | |
538 | void S_StartSound( void *origin, int sfx_id ) |
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539 | { |
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540 | #ifdef SAWDEBUG |
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541 | // if (sfx_id == sfx_sawful) |
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542 | // sfx_id = sfx_itemup; |
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543 | #endif |
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544 | |||
545 | S_StartSoundAtVolume(origin, sfx_id, snd_SfxVolume); |
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546 | |||
547 | |||
548 | // UNUSED. We had problems, had we not? |
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549 | #ifdef SAWDEBUG |
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550 | { |
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551 | int i; |
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552 | int n; |
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333 | serge | 553 | |
298 | serge | 554 | static mobj_t* last_saw_origins[10] = {1,1,1,1,1,1,1,1,1,1}; |
333 | serge | 555 | static int first_saw=0; |
556 | static int next_saw=0; |
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557 | |||
298 | serge | 558 | if (sfx_id == sfx_sawidl |
333 | serge | 559 | || sfx_id == sfx_sawful |
560 | || sfx_id == sfx_sawhit) |
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298 | serge | 561 | { |
333 | serge | 562 | for (i=first_saw;i!=next_saw;i=(i+1)%10) |
563 | if (last_saw_origins[i] != origin) |
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564 | fprintf(stderr, "old origin 0x%lx != " |
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565 | "origin 0x%lx for sfx %d\n", |
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566 | last_saw_origins[i], |
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567 | origin, |
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568 | sfx_id); |
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569 | |||
570 | last_saw_origins[next_saw] = origin; |
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571 | next_saw = (next_saw + 1) % 10; |
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572 | if (next_saw == first_saw) |
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573 | first_saw = (first_saw + 1) % 10; |
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574 | |||
575 | for (n=i=0; i |
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576 | { |
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577 | if (channels[i].sfxinfo == &S_sfx[sfx_sawidl] |
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578 | || channels[i].sfxinfo == &S_sfx[sfx_sawful] |
||
579 | || channels[i].sfxinfo == &S_sfx[sfx_sawhit]) n++; |
||
580 | } |
||
581 | |||
582 | if (n>1) |
||
583 | { |
||
584 | for (i=0; i |
||
585 | { |
||
586 | if (channels[i].sfxinfo == &S_sfx[sfx_sawidl] |
||
587 | || channels[i].sfxinfo == &S_sfx[sfx_sawful] |
||
588 | || channels[i].sfxinfo == &S_sfx[sfx_sawhit]) |
||
589 | { |
||
590 | fprintf(stderr, |
||
591 | "chn: sfxinfo=0x%lx, origin=0x%lx, " |
||
592 | "handle=%d\n", |
||
593 | channels[i].sfxinfo, |
||
594 | channels[i].origin, |
||
595 | channels[i].handle); |
||
596 | } |
||
597 | } |
||
598 | fprintf(stderr, "\n"); |
||
599 | } |
||
298 | serge | 600 | } |
601 | } |
||
602 | #endif |
||
603 | |||
604 | } |
||
605 | |||
606 | |||
607 | |||
608 | |||
609 | void S_StopSound(void *origin) |
||
610 | { |
||
611 | |||
612 | int cnum; |
||
613 | |||
614 | for (cnum=0 ; cnum |
||
615 | { |
||
333 | serge | 616 | if (channels[cnum].sfxinfo && channels[cnum].origin == origin) |
617 | { |
||
618 | S_StopChannel(cnum); |
||
619 | break; |
||
620 | } |
||
298 | serge | 621 | } |
622 | } |
||
623 | |||
624 | |||
625 | |||
626 | |||
627 | |||
628 | |||
629 | |||
630 | |||
631 | |||
632 | // |
||
633 | // Stop and resume music, during game PAUSE. |
||
634 | // |
||
635 | void S_PauseSound(void) |
||
636 | { |
||
637 | if (mus_playing && !mus_paused) |
||
638 | { |
||
333 | serge | 639 | I_PauseSong(mus_playing->handle); |
640 | mus_paused = true; |
||
298 | serge | 641 | } |
642 | } |
||
643 | |||
644 | void S_ResumeSound(void) |
||
645 | { |
||
646 | if (mus_playing && mus_paused) |
||
647 | { |
||
333 | serge | 648 | I_ResumeSong(mus_playing->handle); |
649 | mus_paused = false; |
||
298 | serge | 650 | } |
651 | } |
||
652 | |||
653 | |||
654 | // |
||
655 | // Updates music & sounds |
||
656 | // |
||
657 | void S_UpdateSounds(void* listener_p) |
||
658 | { |
||
333 | serge | 659 | int audible; |
660 | int cnum; |
||
661 | int volume; |
||
662 | int sep; |
||
663 | int pitch; |
||
664 | sfxinfo_t* sfx; |
||
665 | channel_t* c; |
||
298 | serge | 666 | |
333 | serge | 667 | mobj_t* listener = (mobj_t*)listener_p; |
298 | serge | 668 | |
669 | |||
670 | |||
671 | // Clean up unused data. |
||
672 | // This is currently not done for 16bit (sounds cached static). |
||
673 | // DOS 8bit remains. |
||
674 | /*if (gametic > nextcleanup) |
||
675 | { |
||
333 | serge | 676 | for (i=1 ; i |
677 | { |
||
678 | if (S_sfx[i].usefulness < 1 |
||
679 | && S_sfx[i].usefulness > -1) |
||
680 | { |
||
681 | if (--S_sfx[i].usefulness == -1) |
||
682 | { |
||
683 | Z_ChangeTag(S_sfx[i].data, PU_CACHE); |
||
684 | S_sfx[i].data = 0; |
||
685 | } |
||
686 | } |
||
687 | } |
||
688 | nextcleanup = gametic + 15; |
||
298 | serge | 689 | }*/ |
690 | |||
691 | for (cnum=0 ; cnum |
||
692 | { |
||
333 | serge | 693 | c = &channels[cnum]; |
694 | sfx = c->sfxinfo; |
||
298 | serge | 695 | |
333 | serge | 696 | if (c->sfxinfo) |
697 | { |
||
698 | if (I_SoundIsPlaying(c->handle)) |
||
699 | { |
||
700 | // initialize parameters |
||
701 | volume = snd_SfxVolume; |
||
702 | pitch = NORM_PITCH; |
||
703 | sep = NORM_SEP; |
||
298 | serge | 704 | |
333 | serge | 705 | if (sfx->link) |
706 | { |
||
707 | pitch = sfx->pitch; |
||
708 | volume += sfx->volume; |
||
709 | if (volume < 1) |
||
710 | { |
||
711 | S_StopChannel(cnum); |
||
712 | continue; |
||
713 | } |
||
714 | else if (volume > snd_SfxVolume) |
||
715 | { |
||
716 | volume = snd_SfxVolume; |
||
717 | } |
||
718 | } |
||
298 | serge | 719 | |
333 | serge | 720 | // check non-local sounds for distance clipping |
721 | // or modify their params |
||
722 | if (c->origin && listener_p != c->origin) |
||
723 | { |
||
724 | audible = S_AdjustSoundParams(listener, |
||
725 | c->origin, |
||
726 | &volume, |
||
727 | &sep, |
||
728 | &pitch); |
||
729 | |||
730 | if (!audible) |
||
731 | { |
||
732 | S_StopChannel(cnum); |
||
733 | } |
||
734 | else |
||
735 | I_UpdateSoundParams(c->handle, volume, sep, pitch); |
||
736 | } |
||
737 | } |
||
738 | else |
||
739 | { |
||
740 | // if channel is allocated but sound has stopped, |
||
741 | // free it |
||
742 | S_StopChannel(cnum); |
||
743 | } |
||
744 | } |
||
298 | serge | 745 | } |
746 | // kill music if it is a single-play && finished |
||
333 | serge | 747 | // if ( mus_playing |
298 | serge | 748 | // && !I_QrySongPlaying(mus_playing->handle) |
749 | // && !mus_paused ) |
||
750 | // S_StopMusic(); |
||
751 | } |
||
752 | |||
753 | |||
754 | void S_SetMusicVolume(int volume) |
||
755 | { |
||
756 | if (volume < 0 || volume > 127) |
||
757 | { |
||
333 | serge | 758 | I_Error("Attempt to set music volume at %d", |
759 | volume); |
||
298 | serge | 760 | } |
761 | |||
762 | I_SetMusicVolume(127); |
||
763 | I_SetMusicVolume(volume); |
||
764 | snd_MusicVolume = volume; |
||
765 | } |
||
766 | |||
767 | |||
768 | |||
769 | void S_SetSfxVolume(int volume) |
||
770 | { |
||
771 | |||
772 | if (volume < 0 || volume > 127) |
||
333 | serge | 773 | I_Error("Attempt to set sfx volume at %d", volume); |
298 | serge | 774 | |
775 | snd_SfxVolume = volume; |
||
776 | |||
777 | } |
||
778 | |||
779 | // |
||
780 | // Starts some music with the music id found in sounds.h. |
||
781 | // |
||
782 | void S_StartMusic(int m_id) |
||
783 | { |
||
784 | // S_ChangeMusic(m_id, false); |
||
785 | } |
||
786 | |||
787 | |||
788 | // clean-up&code for orig midi 10.9.98-dlw |
||
789 | void S_ChangeMusic(int musicnum, int looping) |
||
790 | { |
||
791 | |||
792 | // I_PlaySong(music->handle, looping); |
||
333 | serge | 793 | // mus_playing = music; |
298 | serge | 794 | } |
795 | |||
796 | |||
797 | void S_StopMusic(void) |
||
798 | { |
||
799 | if (mus_playing) |
||
800 | { |
||
333 | serge | 801 | if (mus_paused) I_ResumeSong(mus_playing->handle); |
802 | I_StopSong(mus_playing->handle); |
||
803 | I_UnRegisterSong(mus_playing->handle); |
||
804 | Z_ChangeTag(mus_playing->data, PU_CACHE); |
||
805 | mus_playing->data = 0; |
||
806 | mus_playing = 0; |
||
298 | serge | 807 | } |
808 | } |
||
809 | |||
810 | void S_StopChannel(int cnum) |
||
811 | { |
||
812 | |||
333 | serge | 813 | int i; |
814 | channel_t* c = &channels[cnum]; |
||
298 | serge | 815 | |
816 | if (c->sfxinfo) |
||
817 | { |
||
333 | serge | 818 | // stop the sound playing |
819 | if (I_SoundIsPlaying(c->handle)) |
||
820 | { |
||
298 | serge | 821 | #ifdef SAWDEBUG |
333 | serge | 822 | if (c->sfxinfo == &S_sfx[sfx_sawful]) |
823 | fprintf(stderr, "stopped\n"); |
||
298 | serge | 824 | #endif |
333 | serge | 825 | I_StopSound(c->handle); |
826 | } |
||
298 | serge | 827 | |
333 | serge | 828 | // check to see |
829 | // if other channels are playing the sound |
||
830 | for (i=0 ; i |
||
831 | { |
||
832 | if (cnum != i |
||
833 | && c->sfxinfo == channels[i].sfxinfo) |
||
834 | { |
||
835 | break; |
||
836 | } |
||
837 | } |
||
838 | |||
839 | // degrade usefulness of sound data |
||
840 | c->sfxinfo->usefulness--; |
||
298 | serge | 841 | |
333 | serge | 842 | c->sfxinfo = 0; |
298 | serge | 843 | } |
844 | } |
||
845 | |||
846 | |||
847 | // |
||
848 | // Changes volume, stereo-separation, and pitch variables |
||
849 | // from the norm of a sound effect to be played. |
||
850 | // If the sound is not audible, returns a 0. |
||
851 | // Otherwise, modifies parameters and returns 1. |
||
852 | // |
||
853 | int |
||
854 | S_AdjustSoundParams (mobj_t* listener, mobj_t* source, |
||
855 | int* vol, int* sep, int* pitch) |
||
856 | { |
||
333 | serge | 857 | fixed_t approx_dist; |
858 | fixed_t adx; |
||
859 | fixed_t ady; |
||
860 | angle_t angle; |
||
298 | serge | 861 | |
862 | // calculate the distance to sound origin |
||
863 | // and clip it if necessary |
||
864 | adx = abs(listener->x - source->x); |
||
865 | ady = abs(listener->y - source->y); |
||
866 | |||
867 | // From _GG1_ p.428. Appox. eucledian distance fast. |
||
868 | approx_dist = adx + ady - ((adx < ady ? adx : ady)>>1); |
||
869 | |||
870 | if (gamemap != 8 |
||
333 | serge | 871 | && approx_dist > S_CLIPPING_DIST) |
298 | serge | 872 | { |
333 | serge | 873 | return 0; |
298 | serge | 874 | } |
875 | |||
876 | // angle of source to listener |
||
877 | angle = R_PointToAngle2(listener->x, |
||
333 | serge | 878 | listener->y, |
879 | source->x, |
||
880 | source->y); |
||
298 | serge | 881 | |
882 | if (angle > listener->angle) |
||
333 | serge | 883 | angle = angle - listener->angle; |
298 | serge | 884 | else |
333 | serge | 885 | angle = angle + (0xffffffff - listener->angle); |
298 | serge | 886 | |
887 | angle >>= ANGLETOFINESHIFT; |
||
888 | |||
889 | // stereo separation |
||
890 | *sep = 128 - (FixedMul(S_STEREO_SWING,finesine[angle])>>FRACBITS); |
||
891 | |||
892 | // volume calculation |
||
893 | if (approx_dist < S_CLOSE_DIST) |
||
894 | { |
||
333 | serge | 895 | *vol = snd_SfxVolume; |
298 | serge | 896 | } |
897 | else if (gamemap == 8) |
||
898 | { |
||
333 | serge | 899 | if (approx_dist > S_CLIPPING_DIST) |
900 | approx_dist = S_CLIPPING_DIST; |
||
298 | serge | 901 | |
333 | serge | 902 | *vol = 15+ ((snd_SfxVolume-15) |
903 | *((S_CLIPPING_DIST - approx_dist)>>FRACBITS)) |
||
904 | / S_ATTENUATOR; |
||
298 | serge | 905 | } |
906 | else |
||
907 | { |
||
333 | serge | 908 | // distance effect |
909 | *vol = (snd_SfxVolume |
||
910 | * ((S_CLIPPING_DIST - approx_dist)>>FRACBITS)) |
||
911 | / S_ATTENUATOR; |
||
298 | serge | 912 | } |
913 | |||
914 | return (*vol > 0); |
||
915 | } |
||
916 | |||
917 | // |
||
918 | // S_getChannel : |
||
919 | // If none available, return -1. Otherwise channel #. |
||
920 | // |
||
921 | int S_getChannel( void *origin, sfxinfo_t *sfxinfo, int sfxid ) |
||
922 | { |
||
923 | // channel number to use |
||
333 | serge | 924 | int cnum; |
298 | serge | 925 | |
333 | serge | 926 | channel_t* c; |
298 | serge | 927 | |
928 | // Find an open channel |
||
929 | //for (cnum = 0; cnum < numChannels; cnum++) |
||
930 | for (cnum = 0; cnum < NUM_CHANNELS; cnum++) |
||
931 | { |
||
932 | if (!channels[cnum].sfxinfo) |
||
933 | break; |
||
934 | else |
||
935 | if (origin && channels[cnum].origin == origin) |
||
936 | { |
||
937 | S_StopChannel(cnum); |
||
938 | break; |
||
939 | } |
||
940 | } |
||
941 | |||
942 | // None available |
||
943 | if (cnum == NUM_CHANNELS) |
||
944 | { |
||
945 | // Look for lower priority |
||
946 | for (cnum = NUMSFX; cnum < NUM_CHANNELS; cnum++) |
||
947 | if (channels[cnum].sfxinfo->priority >= sfxinfo->priority) |
||
948 | break; |
||
949 | |||
950 | if (cnum == numChannels) |
||
951 | { |
||
952 | // FUCK! No lower priority. Sorry, Charlie. |
||
953 | return -1; |
||
954 | } |
||
955 | else |
||
956 | { |
||
957 | // Otherwise, kick out lower priority. |
||
958 | S_StopChannel(cnum); |
||
959 | } |
||
960 | } |
||
961 | |||
962 | c = &channels[cnum]; |
||
963 | |||
964 | // channel is decided to be cnum. |
||
965 | c->sfxinfo = sfxinfo; |
||
966 | c->origin = origin; |
||
967 | |||
968 | return cnum; |
||
969 | }>>>>>>>>>>>>0) |
||
970 | |||
971 | |||
972 |