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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/stark/visual/smacker.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/gfx/surfacerenderer.h"
#include "engines/stark/gfx/texture.h"
#include "engines/stark/scene.h"
#include "engines/stark/services/services.h"
#include "common/str.h"
#include "common/archive.h"
#include "video/smk_decoder.h"
namespace Stark {
VisualSmacker::VisualSmacker(Gfx::Driver *gfx) :
Visual(TYPE),
_gfx(gfx),
_surface(nullptr),
_texture(nullptr),
_smacker(nullptr),
_position(0, 0),
_overridenFramerate(-1) {
_surfaceRenderer = _gfx->createSurfaceRenderer();
}
VisualSmacker::~VisualSmacker() {
delete _texture;
delete _smacker;
delete _surfaceRenderer;
}
void VisualSmacker::load(Common::SeekableReadStream *stream) {
delete _texture;
delete _smacker;
_smacker = new Video::SmackerDecoder();
_smacker->setSoundType(Audio::Mixer::kSFXSoundType);
_smacker->loadStream(stream);
rewind();
_texture = _gfx->createTexture();
update();
}
void VisualSmacker::render(const Common::Point &position) {
// The position argument contains the scroll offset
_surfaceRenderer->render(_texture, _position - position);
}
void VisualSmacker::update() {
if (_smacker->needsUpdate()) {
_surface = _smacker->decodeNextFrame();
const byte *palette = _smacker->getPalette();
// Convert the surface to RGBA
Graphics::Surface *convertedSurface = new Graphics::Surface();
convertedSurface->create(_surface->w, _surface->h, Gfx::Driver::getRGBAPixelFormat());
for (int y = 0; y < _surface->h; y++) {
const byte *srcRow = (const byte *)_surface->getBasePtr(0, y);
byte *dstRow = (byte *)convertedSurface->getBasePtr(0, y);
for (int x = 0; x < _surface->w; x++) {
byte index = *srcRow++;
byte r = palette[index * 3];
byte g = palette[index * 3 + 1];
byte b = palette[index * 3 + 2];
if (r != 0 || g != 255 || b != 255) {
*dstRow++ = r;
*dstRow++ = g;
*dstRow++ = b;
*dstRow++ = 0xFF;
} else {
// Cyan is the transparent color
*dstRow++ = 0;
*dstRow++ = 0;
*dstRow++ = 0;
*dstRow++ = 0;
}
}
}
_texture->update(convertedSurface);
convertedSurface->free();
delete convertedSurface;
}
}
bool VisualSmacker::isPointSolid(const Common::Point &point) const {
if (!_smacker || !_surface) {
return false;
}
const byte *ptr = (const byte *)_surface->getBasePtr(point.x, point.y);
const byte *palette = _smacker->getPalette();
byte r = palette[*ptr * 3];
byte g = palette[*ptr * 3 + 1];
byte b = palette[*ptr * 3 + 2];
// Cyan is the transparent color
return r != 0x00 || g != 0xFF || b != 0xFF;
}
int VisualSmacker::getFrameNumber() const {
if (_smacker && _smacker->isPlaying()) {
return _smacker->getCurFrame();
}
return -1;
}
bool VisualSmacker::isDone() {
return getCurrentTime() >= getDuration();
}
int VisualSmacker::getWidth() const {
return _smacker->getWidth();
}
int VisualSmacker::getHeight() const {
return _smacker->getHeight();
}
uint32 VisualSmacker::getDuration() const {
return (_smacker->getRate().getInverse() * _smacker->getDuration().msecs()).toInt();
}
void VisualSmacker::rewind() {
_smacker->rewind();
_smacker->start();
if (_overridenFramerate != -1) {
Common::Rational originalFrameRate = _smacker->getFrameRate();
Common::Rational playbackRate = _overridenFramerate / originalFrameRate;
_smacker->setRate(playbackRate);
}
}
uint32 VisualSmacker::getCurrentTime() const {
return (_smacker->getRate().getInverse() * _smacker->getTime()).toInt();
}
void VisualSmacker::overrideFrameRate(int32 framerate) {
_overridenFramerate = framerate;
}
void VisualSmacker::pause(bool pause) {
_smacker->pauseVideo(pause);
}
} // End of namespace Stark
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