87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
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playsound.c
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Copyright (c) 2002-2009
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http://www.tuxpaint.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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(See COPYING.txt)
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$Id$
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*/
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#include "playsound.h"
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#include "debug.h"
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#ifndef NOSOUND
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Mix_Chunk *sounds[NUM_SOUNDS];
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#endif
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int mute;
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int use_sound = 1;
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static int old_sound[4] = { -1, -1, -1, -1 };
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void playsound(SDL_Surface * screen, int chan, int s, int override, int x,
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int y)
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{
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#ifndef NOSOUND
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int left, dist;
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if (!mute && use_sound && s != SND_NONE)
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{
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if (override || !Mix_Playing(chan))
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{
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Mix_PlayChannel(chan, sounds[s], 0);
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old_sound[chan] = s;
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}
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if (old_sound[chan] == s)
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{
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if (y == SNDDIST_NEAR)
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dist = 0;
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else
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{
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if (y < 0)
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y = 0;
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else if (y >= screen->h - 1)
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y = screen->h - 1;
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dist = (255 * ((screen->h - 1) - y)) / (screen->h - 1);
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}
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if (x == SNDPOS_LEFT)
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left = 255 - dist;
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else if (x == SNDPOS_CENTER)
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left = (255 - dist) / 2;
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else if (x == SNDPOS_RIGHT)
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left = 0;
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else
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{
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if (x < 0)
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x = 0;
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else if (x >= screen->w)
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x = screen->w - 1;
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left = ((255 - dist) * ((screen->w - 1) - x)) / (screen->w - 1);
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}
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Mix_SetPanning(chan, left, (255 - dist) - left);
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}
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}
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#endif
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}
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