scummvm/engines/saga2/video.cpp
2021-07-14 23:45:18 +02:00

99 lines
2.5 KiB
C++

/* 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
* aint32 with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#include "graphics/palette.h"
#include "video/smk_decoder.h"
#include "saga2/saga2.h"
namespace Saga2 {
#define VIDEO_EXT ".SMK"
static bool nameCheck(char name[], const char ext[], int len) {
size_t l = strlen(name);
if (l < 5 || 0 != scumm_stricmp(name + (l - strlen(ext)), ext))
Common::strlcat(name, ext, len);
return true;
}
void Saga2Engine::startVideo(const char *fileName, int x, int y) {
char file[260];
strcpy(file, "video/");
Common::strlcat(file, fileName, 260);
nameCheck(file, VIDEO_EXT, 260);
if (!_smkDecoder)
_smkDecoder = new Video::SmackerDecoder();
if (!_smkDecoder->loadFile(file)) {
warning("startVideo: Cannot open file %s", file);
return;
}
_videoX = x;
_videoY = y;
_smkDecoder->start();
}
bool Saga2Engine::checkVideo(void) {
if (!_smkDecoder)
return false;
if (_smkDecoder->endOfVideo())
return false;
if (_smkDecoder->needsUpdate()) {
const Graphics::Surface *frame = _smkDecoder->decodeNextFrame();
if (frame) {
g_system->copyRectToScreen(frame->getPixels(), frame->pitch, _videoX, _videoY, frame->w, frame->h);
if (_smkDecoder->hasDirtyPalette())
g_system->getPaletteManager()->setPalette(_smkDecoder->getPalette(), 0, 256);
g_system->updateScreen();
}
}
return true;
}
void Saga2Engine::abortVideo(void) {
endVideo();
}
void Saga2Engine::endVideo() {
if (_smkDecoder)
_smkDecoder->stop();
delete _smkDecoder;
_smkDecoder = nullptr;
}
} // end of namespace Saga2