diff options
Diffstat (limited to 'engines/gob/scnplayer.cpp')
-rw-r--r-- | engines/gob/scnplayer.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/engines/gob/scnplayer.cpp b/engines/gob/scnplayer.cpp new file mode 100644 index 0000000000..3581f1678e --- /dev/null +++ b/engines/gob/scnplayer.cpp @@ -0,0 +1,152 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#include "common/endian.h" + +#include "gob/gob.h" +#include "gob/scnplayer.h" +#include "gob/util.h" +#include "gob/draw.h" +#include "gob/inter.h" +#include "gob/videoplayer.h" + +namespace Gob { + +SCNPlayer::SCNPlayer(GobEngine *vm) : _vm(vm) { +} + +SCNPlayer::~SCNPlayer() { +} + +inline bool SCNPlayer::lineStartsWith(const Common::String &line, const char *start) { + return (strstr(line.c_str(), start) == line.c_str()); +} + +bool SCNPlayer::play(const char *fileName) { + debugC(1, kDebugSCN, "Playing SCN \"%s\"", fileName); + + // The video player needs some fake variables + _vm->_inter->allocateVars(32); + + // Init the screen + _vm->_draw->initScreen(); + _vm->_draw->_cursorIndex = -1; + + _vm->_util->longDelay(200); // Letting everything settle + + Common::File scn; + + if (!scn.open(fileName)) + return false; + + return play(scn); +} + +bool SCNPlayer::play(Common::File &scn) { + // Read labels + LabelMap labels; + if (!readLabels(scn, labels)) + return false; + + // Iterate over all lines + while (!scn.err() && !scn.eos()) { + Common::String line = scn.readLine(); + + // Interpret + if (line == "CLEAR") { + clearScreen(); + } else if (lineStartsWith(line, "IMD_PRELOAD ")) { + playVideo(line.c_str() + 12); + } else if (lineStartsWith(line, "GOTO ")) { + gotoLabel(scn, labels, line.c_str() + 5); + } + + // Mind user input + _vm->_util->processInput(); + if (_vm->shouldQuit()) + return true; + } + + if (scn.err()) + return false; + + return true; +} + +bool SCNPlayer::readLabels(Common::File &scn, LabelMap &labels) { + debugC(1, kDebugSCN, "Reading SCN labels"); + + int32 startPos = scn.pos(); + + // Iterate over all lines + while (!scn.err() && !scn.eos()) { + Common::String line = scn.readLine(); + + if (lineStartsWith(line, "LABEL ")) { + // Label => Add to the hashmap + labels.setVal(line.c_str() + 6, scn.pos()); + debugC(2, kDebugSCN, "Found label \"%s\" (%d)", line.c_str() + 6, scn.pos()); + } + } + + if (scn.err()) + return false; + + // Seek back + if (!scn.seek(startPos)) + return false; + + return true; +} + +void SCNPlayer::gotoLabel(Common::File &scn, const LabelMap &labels, const char *label) { + debugC(2, kDebugSCN, "Jumping to label \"%s\"", label); + + if (!labels.contains(label)) + return; + + scn.seek(labels.getVal(label)); +} + +void SCNPlayer::clearScreen() { + debugC(1, kDebugSCN, "Clearing the screen"); + _vm->_video->clearScreen(); +} + +void SCNPlayer::playVideo(const char *fileName) { + // Trimming spaces + while (*fileName == ' ') + fileName++; + + debugC(1, kDebugSCN, "Playing video \"%s\"", fileName); + + // Playing the video + if (_vm->_vidPlayer->primaryOpen(fileName)) { + _vm->_vidPlayer->primaryPlay(); + _vm->_vidPlayer->primaryClose(); + } +} + +} // End of namespace Gob |