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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#include "cge/general.h"
#include "cge/startup.h"
#include "cge/sound.h"
#include "cge/text.h"
#include "cge/cfile.h"
#include "cge/vol.h"
namespace CGE {
bool Music = true;
FX Fx = 16; // must precede SOUND!!
SOUND Sound;
SOUND::SOUND(void) {
if (STARTUP::SoundOk)
Open();
}
SOUND::~SOUND(void) {
Close();
}
void SOUND::Close(void) {
KillMIDI();
SNDDone();
}
void SOUND::Open(void) {
SNDInit();
Play(Fx[30000], 8);
}
void SOUND::Play(DATACK *wav, int pan, int cnt) {
if (wav) {
Stop();
smpinf.saddr = (uint8 *) &*(wav->EAddr());
smpinf.slen = (uint16)wav->Size();
smpinf.span = pan;
smpinf.sflag = cnt;
SNDDigiStart(&smpinf);
}
}
void SOUND::Stop(void) {
SNDDigiStop(&smpinf);
}
FX::FX(int size) : Emm(0L), Current(NULL) {
Cache = new HAN[size];
for (Size = 0; Size < size; Size++) {
Cache[Size].Ref = 0;
Cache[Size].Wav = NULL;
}
}
FX::~FX(void) {
Clear();
delete[] Cache;
}
void FX::Clear(void) {
HAN *p, * q;
for (p = Cache, q = p + Size; p < q; p++) {
if (p->Ref) {
p->Ref = 0;
delete p->Wav;
p->Wav = NULL;
}
}
Emm.release();
Current = NULL;
}
int FX::Find(int ref) {
HAN *p, * q;
int i = 0;
for (p = Cache, q = p + Size; p < q; p++) {
if (p->Ref == ref)
break;
else
++i;
}
return i;
}
void FX::Preload(int ref0) {
HAN *CacheLim = Cache + Size;
int ref;
for (ref = ref0; ref < ref0 + 10; ref++) {
static char fname[] = "FX00000.WAV";
wtom(ref, fname + 2, 10, 5);
INI_FILE file = INI_FILE(fname);
DATACK *wav = LoadWave(&file, &Emm);
if (wav) {
HAN *p = &Cache[Find(0)];
if (p >= CacheLim)
break;
p->Wav = wav;
p->Ref = ref;
}
}
}
DATACK *FX::Load(int idx, int ref) {
static char fname[] = "FX00000.WAV";
wtom(ref, fname + 2, 10, 5);
INI_FILE file = INI_FILE(fname);
DATACK *wav = LoadWave(&file, &Emm);
if (wav) {
HAN *p = &Cache[idx];
p->Wav = wav;
p->Ref = ref;
}
return wav;
}
DATACK *FX::operator [](int ref) {
int i;
if ((i = Find(ref)) < Size)
Current = Cache[i].Wav;
else {
if ((i = Find(0)) >= Size) {
Clear();
i = 0;
}
Current = Load(i, ref);
}
return Current;
}
static uint8 *midi = NULL;
void KillMIDI(void) {
SNDMIDIStop();
if (midi) {
delete[] midi;
midi = NULL;
}
}
void LoadMIDI(int ref) {
static char fn[] = "00.MID";
wtom(ref, fn, 10, 2);
if (INI_FILE::exist(fn)) {
KillMIDI();
INI_FILE mid = fn;
if (mid._error == 0) {
uint16 siz = (uint16) mid.size();
midi = new uint8[siz];
if (midi) {
mid.read(midi, siz);
if (mid._error)
KillMIDI();
else
SNDMIDIStart(midi);
}
}
}
}
void *Patch(int pat) {
void *p = NULL;
static char fn[] = "PATCH000.SND";
wtom(pat, fn + 5, 10, 3);
INI_FILE snd = fn;
if (!snd._error) {
uint16 siz = (uint16) snd.size();
p = (uint8 *) malloc(siz);
if (p) {
snd.read(p, siz);
if (snd._error) {
free(p);
p = NULL;
}
}
}
return p;
}
} // End of namespace CGE
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