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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; |
181 | int ver; |
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298 | serge | 182 | |
183 | numChannels = NUM_CHANNELS; |
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184 | |||
185 | // Whatever these did with DMX, these are rather dummies now. |
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186 | I_SetChannels(); |
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187 | |||
188 | S_SetSfxVolume(sfxVolume); |
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189 | // No music with Linux - another dummy. |
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190 | S_SetMusicVolume(musicVolume); |
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191 | |||
192 | // Allocating the internal channels for mixing |
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193 | // (the maximum numer of sounds rendered |
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194 | // simultaneously) within zone memory. |
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195 | channels = |
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196 | (channel_t *) Z_Malloc(numChannels*sizeof(channel_t), PU_STATIC, 0); |
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197 | |||
198 | // Free all channels for use |
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199 | for (i=0 ; i |
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200 | channels[i].sfxinfo = 0; |
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201 | |||
202 | // no sounds are playing, and they are not mus_paused |
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203 | mus_paused = 0; |
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204 | |||
205 | // Note that sounds have not been cached (yet). |
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206 | for (i=1 ; i |
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207 | S_sfx[i].lumpnum = S_sfx[i].usefulness = -1; |
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374 | serge | 208 | |
209 | |||
210 | /******** |
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211 | if((ver = InitSound())< SOUND_VERSION ) |
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212 | { |
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213 | printf("Sound service version mismatch\n\r"); |
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214 | printf("Installed version: %d, required version %d\n\r", |
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215 | ver, SOUND_VERSION); |
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216 | }; |
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217 | |||
218 | hMixBuff = CreateBuffer(PCM_2_16_11,0); |
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219 | |||
220 | *********/ |
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221 | |||
222 | thread_stack = UserAlloc(4096); |
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223 | thread_stack+=4092; |
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224 | |||
225 | sound_state=1; |
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226 | CreateThread(sound_proc, thread_stack); |
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298 | serge | 227 | } |
228 | |||
374 | serge | 229 | typedef struct |
230 | { |
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231 | unsigned int code; |
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232 | unsigned int sender; |
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233 | unsigned int stream; |
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234 | unsigned int offset; |
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235 | unsigned int size; |
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236 | unsigned int unused; |
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237 | }SND_EVENT; |
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238 | |||
239 | unsigned int mix_offset; |
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240 | int mix_size; |
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241 | extern signed short *mixbuffer; |
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242 | |||
243 | void sound_proc(void) |
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244 | { |
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245 | int ver; |
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246 | SND_EVENT evnt; |
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247 | int i; |
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248 | |||
249 | if((ver = InitSound())< SOUND_VERSION ) |
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250 | { |
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251 | printf("Sound service version mismatch\n\r"); |
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252 | printf("Installed version: %d, required version %d\n\r", |
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253 | ver, SOUND_VERSION); |
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254 | }; |
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255 | |||
256 | hMixBuff=CreateBuffer(PCM_2_16_11|PCM_RING,0); |
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257 | |||
258 | if(!hMixBuff) |
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259 | { |
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260 | printf("sound not available\n\r"); |
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261 | _asm |
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262 | { |
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263 | mov eax, -1 |
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264 | int 0x40 |
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265 | }; |
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266 | }; |
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267 | |||
268 | mix_size=GetBufferSize(hMixBuff)/2; |
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269 | printf("mixer size %d\n\r", mix_size); |
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270 | |||
271 | mixbuffer = malloc(mix_size); |
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272 | |||
273 | PlayBuffer(hMixBuff, 0); |
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274 | while(sound_state) |
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275 | { |
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276 | GetNotify(&evnt); |
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277 | |||
278 | if(evnt.code != 0xFF000001) |
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279 | { |
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280 | printf("invalid code %d\n\r", evnt.code); |
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281 | continue; |
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282 | } |
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283 | |||
284 | if(evnt.stream != hMixBuff) |
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285 | { |
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286 | printf("invalid stream %d hMixBuff= %d\n\r", evnt.stream, hMixBuff); |
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287 | continue; |
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288 | }; |
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289 | mix_offset= evnt.offset; |
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290 | I_UpdateSound(); |
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291 | }; |
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292 | |||
293 | //flush sound buffers |
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294 | |||
295 | for(i=0; i<32; i++) |
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296 | { |
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297 | GetNotify(&evnt); |
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298 | |||
299 | if(evnt.code != 0xFF000001) |
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300 | { |
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301 | printf("invalid code %d\n\r", evnt.code); |
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302 | continue; |
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303 | } |
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304 | |||
305 | if(evnt.stream != hMixBuff) |
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306 | { |
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307 | printf("invalid stream %d hMixBuff= %d\n\r", evnt.stream, hMixBuff); |
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308 | continue; |
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309 | }; |
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310 | mix_offset= evnt.offset; |
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311 | I_UpdateSound(); |
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312 | }; |
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313 | |||
314 | _asm |
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315 | { |
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316 | mov eax, -1 |
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317 | int 0x40 |
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318 | }; |
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319 | |||
320 | }; |
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321 | |||
298 | serge | 322 | // |
323 | // Per level startup code. |
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324 | // Kills playing sounds at start of level, |
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325 | // determines music if any, changes music. |
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326 | // |
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327 | void S_Start(void) |
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328 | { |
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329 | int cnum; |
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330 | int mnum; |
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331 | |||
332 | // kill all playing sounds at start of level |
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333 | // (trust me - a good idea) |
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334 | for (cnum=0 ; cnum |
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335 | if (channels[cnum].sfxinfo) |
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336 | S_StopChannel(cnum); |
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337 | |||
338 | // start new music for the level |
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339 | mus_paused = 0; |
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340 | |||
341 | if (gamemode == commercial) |
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333 | serge | 342 | mnum = mus_runnin + gamemap - 1; |
298 | serge | 343 | else |
344 | { |
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333 | serge | 345 | int spmus[]= |
346 | { |
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347 | // Song - Who? - Where? |
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348 | mus_e3m4, // American e4m1 |
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349 | mus_e3m2, // Romero e4m2 |
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350 | mus_e3m3, // Shawn e4m3 |
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351 | mus_e1m5, // American e4m4 |
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352 | mus_e2m7, // Tim e4m5 |
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353 | mus_e2m4, // Romero e4m6 |
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354 | mus_e2m6, // J.Anderson e4m7 CHIRON.WAD |
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355 | mus_e2m5, // Shawn e4m8 |
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356 | mus_e1m9 // Tim e4m9 |
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357 | }; |
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358 | |||
359 | if (gameepisode < 4) |
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360 | mnum = mus_e1m1 + (gameepisode-1)*9 + gamemap-1; |
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361 | else |
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362 | mnum = spmus[gamemap-1]; |
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363 | } |
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298 | serge | 364 | |
365 | // HACK FOR COMMERCIAL |
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333 | serge | 366 | // if (commercial && mnum > mus_e3m9) |
298 | serge | 367 | // mnum -= mus_e3m9; |
368 | |||
369 | S_ChangeMusic(mnum, true); |
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370 | |||
371 | nextcleanup = 15; |
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333 | serge | 372 | } |
298 | serge | 373 | |
374 | void S_StartSoundAtVolume( void *origin_p, int sfx_id, int volume ) |
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375 | { |
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376 | int rc; |
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377 | int sep; |
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378 | int pitch; |
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379 | int priority; |
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380 | sfxinfo_t *sfx; |
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381 | int cnum; |
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382 | // int chnum; <-- 10.9.98 compiler warning |
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383 | |||
333 | serge | 384 | mobj_t* origin = (mobj_t *)origin_p; |
298 | serge | 385 | |
386 | //WriteDebug("S_StartSoundAtVolume...\n"); |
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387 | |||
388 | // Debug. |
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389 | /*fprintf( stderr,"S_StartSoundAtVolume: playing sound %d (%s)\n",sfx_id, S_sfx[sfx_id].name );*/ |
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390 | |||
391 | // check for bogus sound # |
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392 | if (sfx_id < 1 || sfx_id > NUMSFX) |
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393 | I_Error("Bad sfx #: %d", sfx_id); |
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394 | |||
395 | sfx = &S_sfx[sfx_id]; |
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396 | |||
397 | // Initialize sound parameters |
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398 | if (sfx->link) |
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399 | { |
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400 | pitch = sfx->pitch; |
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401 | priority = sfx->priority; |
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402 | volume += sfx->volume; |
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403 | |||
404 | if (volume < 1) |
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405 | { |
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406 | //WriteDebug("Volume off...\n"); |
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407 | return; |
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408 | } |
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409 | |||
410 | if (volume > snd_SfxVolume) |
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411 | volume = snd_SfxVolume; |
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333 | serge | 412 | } |
298 | serge | 413 | else |
414 | { |
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415 | pitch = NORM_PITCH; |
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416 | priority = NORM_PRIORITY; |
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417 | } |
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418 | |||
419 | |||
420 | // Check to see if it is audible, |
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421 | // and if not, modify the params |
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422 | if (origin && origin != players[consoleplayer].mo) |
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423 | { |
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424 | rc = S_AdjustSoundParams(players[consoleplayer].mo, origin, &volume, &sep, &pitch); |
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425 | if ( origin->x == players[consoleplayer].mo->x && origin->y == players[consoleplayer].mo->y) |
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333 | serge | 426 | { |
298 | serge | 427 | sep = NORM_SEP; |
428 | } |
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429 | if (!rc) |
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430 | { |
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431 | //WriteDebug("No rc from S_AdjustSoundParams...\n"); |
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432 | return; |
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433 | } |
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333 | serge | 434 | } |
298 | serge | 435 | else |
436 | { |
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437 | sep = NORM_SEP; |
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438 | } |
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439 | |||
440 | // hacks to vary the sfx pitches |
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441 | if (sfx_id >= sfx_sawup && sfx_id <= sfx_sawhit) |
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333 | serge | 442 | { |
298 | serge | 443 | pitch += 8 - (M_Random()&15); |
444 | if (pitch < 0) |
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445 | pitch = 0; |
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446 | else |
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447 | if (pitch>255) |
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448 | pitch = 255; |
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449 | } |
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450 | else |
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451 | if (sfx_id != sfx_itemup && sfx_id != sfx_tink) |
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452 | { |
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453 | pitch += 16 - (M_Random()&31); |
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454 | if (pitch<0) |
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455 | pitch = 0; |
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456 | else |
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457 | if (pitch > 255) |
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458 | pitch = 255; |
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459 | } |
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460 | |||
461 | // kill old sound |
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462 | S_StopSound(origin); |
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463 | |||
464 | // try to find a channel |
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465 | cnum = S_getChannel(origin, sfx, sfx_id); |
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466 | |||
467 | if (cnum<0) |
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468 | { |
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469 | //WriteDebug("cnum < 0 -- no channel...\n"); |
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470 | return; |
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471 | } |
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472 | |||
473 | // |
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474 | // This is supposed to handle the loading/caching. |
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475 | // For some odd reason, the caching is done nearly |
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476 | // each time the sound is needed? |
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477 | // |
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478 | |||
479 | // get lumpnum if necessary |
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480 | if (sfx->lumpnum < 0) |
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481 | sfx->lumpnum = I_GetSfxLumpNum(sfx); |
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482 | |||
483 | // cache data if necessary |
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484 | if (!sfx->data) |
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485 | { |
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486 | sfx->data = (void *) W_CacheLumpNum(sfx->lumpnum, PU_MUSIC); |
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487 | |||
488 | } |
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489 | |||
490 | // increase the usefulness |
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491 | if (sfx->usefulness++ < 0) |
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492 | sfx->usefulness = 1; |
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493 | |||
494 | // Assigns the handle to one of the channels in the |
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495 | // mix/output buffer. |
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496 | //WriteDebug("I_StartSound...\n"); |
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333 | serge | 497 | channels[cnum].handle = I_StartSound(sfx_id,volume,sep,pitch,priority); |
298 | serge | 498 | channels[cnum].handle = cnum; |
499 | channels[cnum].sfxinfo = sfx; |
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500 | channels[cnum].origin = origin; |
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333 | serge | 501 | } |
298 | serge | 502 | |
503 | void S_StartSound( void *origin, int sfx_id ) |
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504 | { |
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505 | #ifdef SAWDEBUG |
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506 | // if (sfx_id == sfx_sawful) |
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507 | // sfx_id = sfx_itemup; |
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508 | #endif |
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509 | |||
510 | S_StartSoundAtVolume(origin, sfx_id, snd_SfxVolume); |
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511 | |||
512 | |||
513 | // UNUSED. We had problems, had we not? |
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514 | #ifdef SAWDEBUG |
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515 | { |
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516 | int i; |
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517 | int n; |
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333 | serge | 518 | |
298 | serge | 519 | static mobj_t* last_saw_origins[10] = {1,1,1,1,1,1,1,1,1,1}; |
333 | serge | 520 | static int first_saw=0; |
521 | static int next_saw=0; |
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522 | |||
298 | serge | 523 | if (sfx_id == sfx_sawidl |
333 | serge | 524 | || sfx_id == sfx_sawful |
525 | || sfx_id == sfx_sawhit) |
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298 | serge | 526 | { |
333 | serge | 527 | for (i=first_saw;i!=next_saw;i=(i+1)%10) |
528 | if (last_saw_origins[i] != origin) |
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529 | fprintf(stderr, "old origin 0x%lx != " |
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530 | "origin 0x%lx for sfx %d\n", |
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531 | last_saw_origins[i], |
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532 | origin, |
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533 | sfx_id); |
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534 | |||
535 | last_saw_origins[next_saw] = origin; |
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536 | next_saw = (next_saw + 1) % 10; |
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537 | if (next_saw == first_saw) |
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538 | first_saw = (first_saw + 1) % 10; |
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539 | |||
540 | for (n=i=0; i |
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541 | { |
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542 | if (channels[i].sfxinfo == &S_sfx[sfx_sawidl] |
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543 | || channels[i].sfxinfo == &S_sfx[sfx_sawful] |
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544 | || channels[i].sfxinfo == &S_sfx[sfx_sawhit]) n++; |
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545 | } |
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546 | |||
547 | if (n>1) |
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548 | { |
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549 | for (i=0; i |
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550 | { |
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551 | if (channels[i].sfxinfo == &S_sfx[sfx_sawidl] |
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552 | || channels[i].sfxinfo == &S_sfx[sfx_sawful] |
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553 | || channels[i].sfxinfo == &S_sfx[sfx_sawhit]) |
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554 | { |
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555 | fprintf(stderr, |
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556 | "chn: sfxinfo=0x%lx, origin=0x%lx, " |
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557 | "handle=%d\n", |
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558 | channels[i].sfxinfo, |
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559 | channels[i].origin, |
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560 | channels[i].handle); |
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561 | } |
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562 | } |
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563 | fprintf(stderr, "\n"); |
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564 | } |
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298 | serge | 565 | } |
566 | } |
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567 | #endif |
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568 | |||
569 | } |
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570 | |||
571 | |||
572 | |||
573 | |||
574 | void S_StopSound(void *origin) |
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575 | { |
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576 | |||
577 | int cnum; |
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578 | |||
579 | for (cnum=0 ; cnum |
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580 | { |
||
333 | serge | 581 | if (channels[cnum].sfxinfo && channels[cnum].origin == origin) |
582 | { |
||
583 | S_StopChannel(cnum); |
||
584 | break; |
||
585 | } |
||
298 | serge | 586 | } |
587 | } |
||
588 | |||
589 | |||
590 | |||
591 | |||
592 | |||
593 | |||
594 | |||
595 | |||
596 | |||
597 | // |
||
598 | // Stop and resume music, during game PAUSE. |
||
599 | // |
||
600 | void S_PauseSound(void) |
||
601 | { |
||
602 | if (mus_playing && !mus_paused) |
||
603 | { |
||
333 | serge | 604 | I_PauseSong(mus_playing->handle); |
605 | mus_paused = true; |
||
298 | serge | 606 | } |
607 | } |
||
608 | |||
609 | void S_ResumeSound(void) |
||
610 | { |
||
611 | if (mus_playing && mus_paused) |
||
612 | { |
||
333 | serge | 613 | I_ResumeSong(mus_playing->handle); |
614 | mus_paused = false; |
||
298 | serge | 615 | } |
616 | } |
||
617 | |||
618 | |||
619 | // |
||
620 | // Updates music & sounds |
||
621 | // |
||
622 | void S_UpdateSounds(void* listener_p) |
||
623 | { |
||
333 | serge | 624 | int audible; |
625 | int cnum; |
||
626 | int volume; |
||
627 | int sep; |
||
628 | int pitch; |
||
629 | sfxinfo_t* sfx; |
||
630 | channel_t* c; |
||
298 | serge | 631 | |
333 | serge | 632 | mobj_t* listener = (mobj_t*)listener_p; |
298 | serge | 633 | |
634 | |||
635 | |||
636 | // Clean up unused data. |
||
637 | // This is currently not done for 16bit (sounds cached static). |
||
638 | // DOS 8bit remains. |
||
639 | /*if (gametic > nextcleanup) |
||
640 | { |
||
333 | serge | 641 | for (i=1 ; i |
642 | { |
||
643 | if (S_sfx[i].usefulness < 1 |
||
644 | && S_sfx[i].usefulness > -1) |
||
645 | { |
||
646 | if (--S_sfx[i].usefulness == -1) |
||
647 | { |
||
648 | Z_ChangeTag(S_sfx[i].data, PU_CACHE); |
||
649 | S_sfx[i].data = 0; |
||
650 | } |
||
651 | } |
||
652 | } |
||
653 | nextcleanup = gametic + 15; |
||
298 | serge | 654 | }*/ |
655 | |||
656 | for (cnum=0 ; cnum |
||
657 | { |
||
333 | serge | 658 | c = &channels[cnum]; |
659 | sfx = c->sfxinfo; |
||
298 | serge | 660 | |
333 | serge | 661 | if (c->sfxinfo) |
662 | { |
||
663 | if (I_SoundIsPlaying(c->handle)) |
||
664 | { |
||
665 | // initialize parameters |
||
666 | volume = snd_SfxVolume; |
||
667 | pitch = NORM_PITCH; |
||
668 | sep = NORM_SEP; |
||
298 | serge | 669 | |
333 | serge | 670 | if (sfx->link) |
671 | { |
||
672 | pitch = sfx->pitch; |
||
673 | volume += sfx->volume; |
||
674 | if (volume < 1) |
||
675 | { |
||
676 | S_StopChannel(cnum); |
||
677 | continue; |
||
678 | } |
||
679 | else if (volume > snd_SfxVolume) |
||
680 | { |
||
681 | volume = snd_SfxVolume; |
||
682 | } |
||
683 | } |
||
298 | serge | 684 | |
333 | serge | 685 | // check non-local sounds for distance clipping |
686 | // or modify their params |
||
687 | if (c->origin && listener_p != c->origin) |
||
688 | { |
||
689 | audible = S_AdjustSoundParams(listener, |
||
690 | c->origin, |
||
691 | &volume, |
||
692 | &sep, |
||
693 | &pitch); |
||
694 | |||
695 | if (!audible) |
||
696 | { |
||
697 | S_StopChannel(cnum); |
||
698 | } |
||
699 | else |
||
700 | I_UpdateSoundParams(c->handle, volume, sep, pitch); |
||
701 | } |
||
702 | } |
||
703 | else |
||
704 | { |
||
705 | // if channel is allocated but sound has stopped, |
||
706 | // free it |
||
707 | S_StopChannel(cnum); |
||
708 | } |
||
709 | } |
||
298 | serge | 710 | } |
711 | // kill music if it is a single-play && finished |
||
333 | serge | 712 | // if ( mus_playing |
298 | serge | 713 | // && !I_QrySongPlaying(mus_playing->handle) |
714 | // && !mus_paused ) |
||
715 | // S_StopMusic(); |
||
716 | } |
||
717 | |||
718 | |||
719 | void S_SetMusicVolume(int volume) |
||
720 | { |
||
721 | if (volume < 0 || volume > 127) |
||
722 | { |
||
333 | serge | 723 | I_Error("Attempt to set music volume at %d", |
724 | volume); |
||
298 | serge | 725 | } |
726 | |||
727 | I_SetMusicVolume(127); |
||
728 | I_SetMusicVolume(volume); |
||
729 | snd_MusicVolume = volume; |
||
730 | } |
||
731 | |||
732 | |||
733 | |||
734 | void S_SetSfxVolume(int volume) |
||
735 | { |
||
736 | |||
737 | if (volume < 0 || volume > 127) |
||
333 | serge | 738 | I_Error("Attempt to set sfx volume at %d", volume); |
298 | serge | 739 | |
740 | snd_SfxVolume = volume; |
||
741 | |||
742 | } |
||
743 | |||
744 | // |
||
745 | // Starts some music with the music id found in sounds.h. |
||
746 | // |
||
747 | void S_StartMusic(int m_id) |
||
748 | { |
||
749 | // S_ChangeMusic(m_id, false); |
||
750 | } |
||
751 | |||
752 | |||
753 | // clean-up&code for orig midi 10.9.98-dlw |
||
754 | void S_ChangeMusic(int musicnum, int looping) |
||
755 | { |
||
756 | |||
757 | // I_PlaySong(music->handle, looping); |
||
333 | serge | 758 | // mus_playing = music; |
298 | serge | 759 | } |
760 | |||
761 | |||
762 | void S_StopMusic(void) |
||
763 | { |
||
764 | if (mus_playing) |
||
765 | { |
||
333 | serge | 766 | if (mus_paused) I_ResumeSong(mus_playing->handle); |
767 | I_StopSong(mus_playing->handle); |
||
768 | I_UnRegisterSong(mus_playing->handle); |
||
769 | Z_ChangeTag(mus_playing->data, PU_CACHE); |
||
770 | mus_playing->data = 0; |
||
771 | mus_playing = 0; |
||
298 | serge | 772 | } |
773 | } |
||
774 | |||
775 | void S_StopChannel(int cnum) |
||
776 | { |
||
777 | |||
333 | serge | 778 | int i; |
779 | channel_t* c = &channels[cnum]; |
||
298 | serge | 780 | |
781 | if (c->sfxinfo) |
||
782 | { |
||
333 | serge | 783 | // stop the sound playing |
784 | if (I_SoundIsPlaying(c->handle)) |
||
785 | { |
||
298 | serge | 786 | #ifdef SAWDEBUG |
333 | serge | 787 | if (c->sfxinfo == &S_sfx[sfx_sawful]) |
788 | fprintf(stderr, "stopped\n"); |
||
298 | serge | 789 | #endif |
333 | serge | 790 | I_StopSound(c->handle); |
791 | } |
||
298 | serge | 792 | |
333 | serge | 793 | // check to see |
794 | // if other channels are playing the sound |
||
795 | for (i=0 ; i |
||
796 | { |
||
797 | if (cnum != i |
||
798 | && c->sfxinfo == channels[i].sfxinfo) |
||
799 | { |
||
800 | break; |
||
801 | } |
||
802 | } |
||
803 | |||
804 | // degrade usefulness of sound data |
||
805 | c->sfxinfo->usefulness--; |
||
298 | serge | 806 | |
333 | serge | 807 | c->sfxinfo = 0; |
298 | serge | 808 | } |
809 | } |
||
810 | |||
811 | |||
812 | // |
||
813 | // Changes volume, stereo-separation, and pitch variables |
||
814 | // from the norm of a sound effect to be played. |
||
815 | // If the sound is not audible, returns a 0. |
||
816 | // Otherwise, modifies parameters and returns 1. |
||
817 | // |
||
818 | int |
||
819 | S_AdjustSoundParams (mobj_t* listener, mobj_t* source, |
||
820 | int* vol, int* sep, int* pitch) |
||
821 | { |
||
333 | serge | 822 | fixed_t approx_dist; |
823 | fixed_t adx; |
||
824 | fixed_t ady; |
||
825 | angle_t angle; |
||
298 | serge | 826 | |
827 | // calculate the distance to sound origin |
||
828 | // and clip it if necessary |
||
829 | adx = abs(listener->x - source->x); |
||
830 | ady = abs(listener->y - source->y); |
||
831 | |||
832 | // From _GG1_ p.428. Appox. eucledian distance fast. |
||
833 | approx_dist = adx + ady - ((adx < ady ? adx : ady)>>1); |
||
834 | |||
835 | if (gamemap != 8 |
||
333 | serge | 836 | && approx_dist > S_CLIPPING_DIST) |
298 | serge | 837 | { |
333 | serge | 838 | return 0; |
298 | serge | 839 | } |
840 | |||
841 | // angle of source to listener |
||
842 | angle = R_PointToAngle2(listener->x, |
||
333 | serge | 843 | listener->y, |
844 | source->x, |
||
845 | source->y); |
||
298 | serge | 846 | |
847 | if (angle > listener->angle) |
||
333 | serge | 848 | angle = angle - listener->angle; |
298 | serge | 849 | else |
333 | serge | 850 | angle = angle + (0xffffffff - listener->angle); |
298 | serge | 851 | |
852 | angle >>= ANGLETOFINESHIFT; |
||
853 | |||
854 | // stereo separation |
||
855 | *sep = 128 - (FixedMul(S_STEREO_SWING,finesine[angle])>>FRACBITS); |
||
856 | |||
857 | // volume calculation |
||
858 | if (approx_dist < S_CLOSE_DIST) |
||
859 | { |
||
333 | serge | 860 | *vol = snd_SfxVolume; |
298 | serge | 861 | } |
862 | else if (gamemap == 8) |
||
863 | { |
||
333 | serge | 864 | if (approx_dist > S_CLIPPING_DIST) |
865 | approx_dist = S_CLIPPING_DIST; |
||
298 | serge | 866 | |
333 | serge | 867 | *vol = 15+ ((snd_SfxVolume-15) |
868 | *((S_CLIPPING_DIST - approx_dist)>>FRACBITS)) |
||
869 | / S_ATTENUATOR; |
||
298 | serge | 870 | } |
871 | else |
||
872 | { |
||
333 | serge | 873 | // distance effect |
874 | *vol = (snd_SfxVolume |
||
875 | * ((S_CLIPPING_DIST - approx_dist)>>FRACBITS)) |
||
876 | / S_ATTENUATOR; |
||
298 | serge | 877 | } |
878 | |||
879 | return (*vol > 0); |
||
880 | } |
||
881 | |||
882 | // |
||
883 | // S_getChannel : |
||
884 | // If none available, return -1. Otherwise channel #. |
||
885 | // |
||
886 | int S_getChannel( void *origin, sfxinfo_t *sfxinfo, int sfxid ) |
||
887 | { |
||
888 | // channel number to use |
||
333 | serge | 889 | int cnum; |
298 | serge | 890 | |
333 | serge | 891 | channel_t* c; |
298 | serge | 892 | |
893 | // Find an open channel |
||
894 | //for (cnum = 0; cnum < numChannels; cnum++) |
||
895 | for (cnum = 0; cnum < NUM_CHANNELS; cnum++) |
||
896 | { |
||
897 | if (!channels[cnum].sfxinfo) |
||
898 | break; |
||
899 | else |
||
900 | if (origin && channels[cnum].origin == origin) |
||
901 | { |
||
902 | S_StopChannel(cnum); |
||
903 | break; |
||
904 | } |
||
905 | } |
||
906 | |||
907 | // None available |
||
908 | if (cnum == NUM_CHANNELS) |
||
909 | { |
||
910 | // Look for lower priority |
||
911 | for (cnum = NUMSFX; cnum < NUM_CHANNELS; cnum++) |
||
912 | if (channels[cnum].sfxinfo->priority >= sfxinfo->priority) |
||
913 | break; |
||
914 | |||
915 | if (cnum == numChannels) |
||
916 | { |
||
917 | // FUCK! No lower priority. Sorry, Charlie. |
||
918 | return -1; |
||
919 | } |
||
920 | else |
||
921 | { |
||
922 | // Otherwise, kick out lower priority. |
||
923 | S_StopChannel(cnum); |
||
924 | } |
||
925 | } |
||
926 | |||
927 | c = &channels[cnum]; |
||
928 | |||
929 | // channel is decided to be cnum. |
||
930 | c->sfxinfo = sfxinfo; |
||
931 | c->origin = origin; |
||
932 | |||
933 | return cnum; |
||
934 | }>>>>>>>>>>>>0) |
||
935 | |||
936 | |||
937 |