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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.
*
*/
#include "common/endian.h"
#include "common/file.h"
#include "gob/gob.h"
#include "gob/inter.h"
#include "gob/global.h"
#include "gob/dataio.h"
#include "gob/draw.h"
#include "gob/game.h"
#include "gob/script.h"
#include "gob/resources.h"
#include "gob/sound/sound.h"
namespace Gob {
#define OPCODEVER Inter_v3
#define OPCODEDRAW(i, x) _opcodesDraw[i]._OPCODEDRAW(OPCODEVER, x)
#define OPCODEFUNC(i, x) _opcodesFunc[i]._OPCODEFUNC(OPCODEVER, x)
#define OPCODEGOB(i, x) _opcodesGob[i]._OPCODEGOB(OPCODEVER, x)
Inter_v3::Inter_v3(GobEngine *vm) : Inter_v2(vm), _ignoreSpeakerOff(false) {
}
void Inter_v3::setupOpcodesDraw() {
Inter_v2::setupOpcodesDraw();
}
void Inter_v3::setupOpcodesFunc() {
Inter_v2::setupOpcodesFunc();
OPCODEFUNC(0x22, o3_speakerOn);
OPCODEFUNC(0x23, o3_speakerOff);
OPCODEFUNC(0x32, o3_copySprite);
}
void Inter_v3::setupOpcodesGob() {
OPCODEGOB( 0, o2_loadInfogramesIns);
OPCODEGOB( 1, o2_startInfogrames);
OPCODEGOB( 2, o2_stopInfogrames);
OPCODEGOB( 10, o2_playInfogrames);
OPCODEGOB(100, o3_wobble);
}
void Inter_v3::o3_speakerOn(OpFuncParams ¶ms) {
int16 frequency = _vm->_game->_script->readValExpr();
int32 length = -1;
_ignoreSpeakerOff = false;
// WORKAROUND: This is the footsteps sound. The scripts just fire
// speaker on" and then a "speaker off" after a short while. Since
// we have delay in certain places avoid 100% CPU all the time and
// our PC speaker emulator sometimes "swallows" very short beeper
// bursts issued in this way, this is in general quite wonky and
// prone to fail, as can be seen in bug report #3376547. Therefore,
// we explicitely set a length in this case and ignore the next
// speaker off command.
if (frequency == 50) {
length = 5;
_ignoreSpeakerOff = true;
}
_vm->_sound->speakerOn(frequency, length);
}
void Inter_v3::o3_speakerOff(OpFuncParams ¶ms) {
if (!_ignoreSpeakerOff)
_vm->_sound->speakerOff();
_ignoreSpeakerOff = false;
}
void Inter_v3::o3_copySprite(OpFuncParams ¶ms) {
o1_copySprite(params);
// For the close-up "fading" in the CD version
if (_vm->_draw->_destSurface == Draw::kFrontSurface)
_vm->_video->sparseRetrace(Draw::kFrontSurface);
}
void Inter_v3::o3_wobble(OpGobParams ¶ms) {
_vm->_draw->wobble(*_vm->_draw->_backSurface);
}
} // End of namespace Gob
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