132 lines
2.6 KiB
C++
132 lines
2.6 KiB
C++
/*
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Copyright (C) 2003 Parallel Realities
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Copyright (C) 2011, 2012 Guus Sliepen
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Copyright (C) 2015 Julian Marchant
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 3
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Starfighter.h"
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Mix_Chunk *sound[MAX_SOUNDS];
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void playSound(int sid, float x)
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{
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if ((!engine.useSound) || (!engine.useAudio))
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return;
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int channel = -1;
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static int freechannel = 4;
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switch(sid)
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{
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case SFX_DEATH:
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case SFX_CLOCK:
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case SFX_FLY:
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case SFX_SHIELDUP:
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case SFX_PICKUP:
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case SFX_CLOAK:
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case SFX_PLASMA2:
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case SFX_PLASMA3:
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channel = -1;
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break;
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case SFX_PLASMA:
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case SFX_LASER:
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channel = 0;
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break;
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case SFX_ENERGYRAY:
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case SFX_MISSILE:
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channel = 1;
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break;
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case SFX_HIT:
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channel = 2;
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break;
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case SFX_EXPLOSION:
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case SFX_DEBRIS:
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case SFX_DEBRIS2:
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channel = 3;
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break;
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}
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if(channel == -1) {
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channel = freechannel++;
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if(freechannel >= 8)
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freechannel = 4;
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}
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int angle = atanf((x - 400) / 400) * 180 / M_PI;
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int attenuation = fabsf(x - 400) / 40;
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if(angle < 0)
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angle += 360;
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if(attenuation > 255)
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attenuation = 255;
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Mix_SetPosition(channel, angle, attenuation);
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Mix_PlayChannel(channel, sound[sid], 0);
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}
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Mix_Chunk *loadSound(const char *filename)
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{
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Mix_Chunk *chunk;
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chunk = Mix_LoadWAV(filename);
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return chunk;
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}
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void loadMusic(const char *filename)
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{
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if (Mix_PlayingMusic())
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Mix_HaltMusic();
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if (engine.music != NULL)
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Mix_FreeMusic(engine.music);
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engine.music = Mix_LoadMUS(filename);
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}
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void playRandomTrack()
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{
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if ((!engine.useMusic) || (!engine.useAudio))
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return;
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int tracks = 4;
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char track[][64] = {
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"music/railjet_short.ogg", "music/space_dimensions.ogg",
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"music/frozen_jam.ogg", "music/sound_and_silence.ogg"
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};
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switch(currentGame.area)
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{
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case 0:
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loadMusic("music/railjet_short.ogg");
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break;
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case 5:
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case 11:
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case 18:
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case 25:
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loadMusic("music/orbital_colossus.ogg");
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break;
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case 26:
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loadMusic("music/RE.ogg");
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break;
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default:
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loadMusic(track[rand() % tracks]);
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}
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Mix_PlayMusic(engine.music, -1);
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}
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