From 893a3fc7e2cc1032a3899fb0947f1878e2ee336c Mon Sep 17 00:00:00 2001 From: Sven Hesse Date: Fri, 24 Apr 2009 18:23:17 +0000 Subject: Added support for SCN-based non-interactive demos svn-id: r40122 --- engines/gob/gob.cpp | 5 ++ engines/gob/gob.h | 35 ++++++----- engines/gob/init.cpp | 13 ++++ engines/gob/module.mk | 1 + engines/gob/scnplayer.cpp | 152 ++++++++++++++++++++++++++++++++++++++++++++++ engines/gob/scnplayer.h | 61 +++++++++++++++++++ 6 files changed, 251 insertions(+), 16 deletions(-) create mode 100644 engines/gob/scnplayer.cpp create mode 100644 engines/gob/scnplayer.h (limited to 'engines') diff --git a/engines/gob/gob.cpp b/engines/gob/gob.cpp index fbf3d6586c..42e8654a5b 100644 --- a/engines/gob/gob.cpp +++ b/engines/gob/gob.cpp @@ -96,6 +96,7 @@ GobEngine::GobEngine(OSystem *syst) : Engine(syst) { Common::addDebugChannel(kDebugGraphics, "Graphics", "Graphics debug level"); Common::addDebugChannel(kDebugVideo, "Video", "IMD/VMD video debug level"); Common::addDebugChannel(kDebugCollisions, "Collisions", "Collisions debug level"); + Common::addDebugChannel(kDebugSCN, "SCN", "SCN demo script debug level"); syst->getEventManager()->registerRandomSource(_rnd, "gob"); } @@ -171,6 +172,10 @@ bool GobEngine::hasAdlib() const { return (_features & kFeaturesAdlib) != 0; } +bool GobEngine::isSCNDemo() const { + return (_features & kFeaturesSCNDemo) != 0; +} + Common::Error GobEngine::run() { if (!initGameParts()) { GUIErrorMessage("GobEngine::init(): Unknown version of game engine"); diff --git a/engines/gob/gob.h b/engines/gob/gob.h index fb739141cb..36a328946d 100644 --- a/engines/gob/gob.h +++ b/engines/gob/gob.h @@ -104,25 +104,27 @@ enum GameType { }; enum Features { - kFeaturesNone = 0, - kFeaturesCD = 1 << 0, - kFeaturesEGA = 1 << 1, - kFeaturesAdlib = 1 << 2, - kFeatures640 = 1 << 3 + kFeaturesNone = 0, + kFeaturesCD = 1 << 0, + kFeaturesEGA = 1 << 1, + kFeaturesAdlib = 1 << 2, + kFeatures640 = 1 << 3, + kFeaturesSCNDemo = 1 << 4 }; enum { - kDebugFuncOp = 1 << 0, - kDebugDrawOp = 1 << 1, - kDebugGobOp = 1 << 2, - kDebugSound = 1 << 3, - kDebugParser = 1 << 4, - kDebugGameFlow = 1 << 5, - kDebugFileIO = 1 << 6, - kDebugSaveLoad = 1 << 7, - kDebugGraphics = 1 << 8, - kDebugVideo = 1 << 9, - kDebugCollisions = 1 << 10 + kDebugFuncOp = 1 << 0, + kDebugDrawOp = 1 << 1, + kDebugGobOp = 1 << 2, + kDebugSound = 1 << 3, + kDebugParser = 1 << 4, + kDebugGameFlow = 1 << 5, + kDebugFileIO = 1 << 6, + kDebugSaveLoad = 1 << 7, + kDebugGraphics = 1 << 8, + kDebugVideo = 1 << 9, + kDebugCollisions = 1 << 10, + kDebugSCN = 1 << 11 }; inline char *strncpy0(char *dest, const char *src, size_t n) { @@ -247,6 +249,7 @@ public: bool isEGA() const; bool is640() const; bool hasAdlib() const; + bool isSCNDemo() const; GobEngine(OSystem *syst); virtual ~GobEngine(); diff --git a/engines/gob/init.cpp b/engines/gob/init.cpp index 8fbbab1628..d1a1ba2a24 100644 --- a/engines/gob/init.cpp +++ b/engines/gob/init.cpp @@ -36,6 +36,7 @@ #include "gob/inter.h" #include "gob/video.h" #include "gob/videoplayer.h" +#include "gob/scnplayer.h" #include "gob/sound/sound.h" namespace Gob { @@ -93,6 +94,18 @@ void Init::initGame() { for (int i = 0; i < 8; i++) _vm->_draw->_fonts[i] = 0; + if (_vm->isSCNDemo()) { + // This is a non-interactive demo with a SCN script and VMD videos + + SCNPlayer scnPlayer(_vm); + + bool ret = scnPlayer.play(_vm->_startTot); + + warning("Played: %d", ret); + + return; + } + handle = _vm->_dataIO->openData("intro.inf"); if (handle < 0) { diff --git a/engines/gob/module.mk b/engines/gob/module.mk index fc933fdf88..ec8e99ad00 100644 --- a/engines/gob/module.mk +++ b/engines/gob/module.mk @@ -55,6 +55,7 @@ MODULE_OBJS := \ scenery.o \ scenery_v1.o \ scenery_v2.o \ + scnplayer.o \ util.o \ variables.o \ video.o \ 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 diff --git a/engines/gob/scnplayer.h b/engines/gob/scnplayer.h new file mode 100644 index 0000000000..b96b966fa4 --- /dev/null +++ b/engines/gob/scnplayer.h @@ -0,0 +1,61 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef GOB_SCNPLAYER_H +#define GOB_SCNPLAYER_H + +#include "common/file.h" +#include "common/str.h" +#include "common/hashmap.h" + +namespace Gob { + +class GobEngine; + +class SCNPlayer { +public: + SCNPlayer(GobEngine *vm); + ~SCNPlayer(); + + bool play(const char *fileName); + +private: + typedef Common::HashMap LabelMap; + + GobEngine *_vm; + + bool play(Common::File &scn); + bool readLabels(Common::File &scn, LabelMap &labels); + + inline bool lineStartsWith(const Common::String &line, const char *start); + + void gotoLabel(Common::File &scn, const LabelMap &labels, const char *label); + void clearScreen(); + void playVideo(const char *fileName); +}; + +} // End of namespace Gob + +#endif // GOB_SCNPLAYER_H -- cgit v1.2.3