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Diffstat (limited to 'engines/pegasus/ai/ai_area.cpp')
| -rw-r--r-- | engines/pegasus/ai/ai_area.cpp | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/engines/pegasus/ai/ai_area.cpp b/engines/pegasus/ai/ai_area.cpp new file mode 100644 index 0000000000..e4d31049f2 --- /dev/null +++ b/engines/pegasus/ai/ai_area.cpp @@ -0,0 +1,613 @@ +/* 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. + * + * Additional copyright for this file: + * Copyright (C) 1995-1997 Presto Studios, Inc. + * + * 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/memstream.h" + +#include "pegasus/cursor.h" +#include "pegasus/pegasus.h" +#include "pegasus/ai/ai_area.h" +#include "pegasus/items/biochips/aichip.h" +#include "pegasus/items/biochips/biochipitem.h" +#include "pegasus/items/biochips/opticalchip.h" +#include "pegasus/items/biochips/pegasuschip.h" +#include "pegasus/items/inventory/airmask.h" +#include "pegasus/items/inventory/inventoryitem.h" + +namespace Pegasus { + +AIArea *g_AIArea = 0; + +AIArea::AIArea(InputHandler *nextHandler) : InputHandler(nextHandler), _leftAreaMovie(kAILeftAreaID), + _middleAreaMovie(kAIMiddleAreaID), _rightAreaMovie(kAIRightAreaID), _AIMovie(kAIMovieID) { + g_AIArea = this; + _leftAreaOwner = kNoClientSignature; + _middleAreaOwner = kNoClientSignature; + _rightAreaOwner = kNoClientSignature; + _leftInventoryTime = 0xffffffff; + _middleInventoryTime = 0xffffffff; + _middleBiochipTime = 0xffffffff; + _rightBiochipTime = 0xffffffff; + _lockCount = 0; + startIdling(); +} + +AIArea::~AIArea() { + if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + if (currentBiochip && currentBiochip->isSelected()) + currentBiochip->giveUpSharedArea(); + } else if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + if (currentItem && currentItem->isSelected()) + currentItem->giveUpSharedArea(); + } + + stopIdling(); + + for (AIRuleList::iterator it = _AIRules.begin(); it != _AIRules.end(); it++) + delete *it; + + g_AIArea = 0; +} + +// Save last state of AI rules... +void AIArea::saveAIState() { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + delete vm->_aiSaveStream; + + Common::MemoryWriteStreamDynamic out; + writeAIRules(&out); + + vm->_aiSaveStream = new Common::MemoryReadStream(out.getData(), out.size(), DisposeAfterUse::YES); +} + +void AIArea::restoreAIState() { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + if (vm->_aiSaveStream) + readAIRules(vm->_aiSaveStream); +} + +void AIArea::writeAIRules(Common::WriteStream *stream) { + _AIRules.writeAIRules(stream); +} + +void AIArea::readAIRules(Common::ReadStream *stream) { + _AIRules.readAIRules(stream); +} + +void AIArea::initAIArea() { + allocateSurface(Common::Rect(0, 0, 384, 96)); + + _leftAreaMovie.shareSurface(this); + _leftAreaMovie.initFromMovieFile("Images/Items/Left Area Movie"); + _leftAreaMovie.moveElementTo(kAILeftAreaLeft, kAILeftAreaTop); + _leftAreaMovie.setDisplayOrder(kAILeftAreaOrder); + _leftAreaMovie.startDisplaying(); + _leftAreaMovie.setVolume(((PegasusEngine *)g_engine)->getSoundFXLevel()); + + _middleAreaMovie.shareSurface(this); + _middleAreaMovie.initFromMovieFile("Images/Items/Middle Area Movie"); + _middleAreaMovie.moveElementTo(kAIMiddleAreaLeft, kAIMiddleAreaTop); + _middleAreaMovie.moveMovieBoxTo(kAIMiddleAreaLeft - kAILeftAreaLeft, 0); + _middleAreaMovie.setDisplayOrder(kAIMiddleAreaOrder); + _middleAreaMovie.startDisplaying(); + _middleAreaMovie.setVolume(((PegasusEngine *)g_engine)->getSoundFXLevel()); + + _rightAreaMovie.shareSurface(this); + _rightAreaMovie.initFromMovieFile("Images/Items/Right Area Movie"); + _rightAreaMovie.moveElementTo(kAIRightAreaLeft, kAIRightAreaTop); + _rightAreaMovie.moveMovieBoxTo(kAIRightAreaLeft - kAILeftAreaLeft, 0); + _rightAreaMovie.setDisplayOrder(kAIRightAreaOrder); + _rightAreaMovie.startDisplaying(); + _rightAreaMovie.setVolume(((PegasusEngine *)g_engine)->getSoundFXLevel()); + + _AIMovie.setDisplayOrder(kAIMovieOrder); +} + +void AIArea::setAIVolume(const uint16 volume) { + _leftAreaMovie.setVolume(volume); + _middleAreaMovie.setVolume(volume); + _rightAreaMovie.setVolume(volume); +} + +// There are only so many legal combinations of client/area. +// Here is the list of supported pairs: +// kInventorySignature kLeftAreaSignature +// kInventorySignature kMiddleAreaSignature +// kBiochipSignature kMiddleAreaSignature +// kBiochipSignature kRightAreaSignature +// kAISignature kLeftAreaSignature +// Further, the kAISignature never sets a static frame time in the left area, +// but only plays a sequence. + +// If this function is called while a sequence is playing, it will just "remember" +// the time value, so that when the sequence finishes, the new time is asserted. + +void AIArea::setAIAreaToTime(const LowerClientSignature client, const LowerAreaSignature area, const TimeValue time) { + switch (area) { + case kLeftAreaSignature: + // Only support kInventorySignature client, since AI never calls SetAIAreaToTime. + _leftAreaMovie.setSegment(0, _leftAreaMovie.getDuration()); + + if (time == 0xffffffff) { + _leftAreaMovie.hide(); + _leftAreaOwner = kNoClientSignature; + } else { + setLeftMovieTime(time); + } + break; + case kMiddleAreaSignature: + // Only support kInventorySignature and kBiochipSignature clients. + _middleAreaMovie.stop(); + _middleAreaMovie.setFlags(0); + _middleAreaMovie.setSegment(0, _middleAreaMovie.getDuration()); + + if (time == 0xffffffff) { + if (client == kInventorySignature) { + if (_middleBiochipTime != 0xffffffff) { + setMiddleMovieTime(kBiochipSignature, _middleBiochipTime); + } else { + _middleAreaMovie.hide(); + _middleAreaOwner = kNoClientSignature; + } + } else { // client == kBiochipSignature + if (_middleInventoryTime != 0xffffffff) { + setMiddleMovieTime(kInventorySignature, _middleInventoryTime); + } else { + _middleAreaMovie.hide(); + _middleAreaOwner = kNoClientSignature; + } + } + } else { + setMiddleMovieTime(client, time); + } + break; + case kRightAreaSignature: + // Only support kBiochipSignature client. + _rightAreaMovie.setSegment(0, _rightAreaMovie.getDuration()); + + if (time == 0xffffffff) { + _rightAreaMovie.hide(); + _rightAreaOwner = kNoClientSignature; + } else { + setRightMovieTime(time); + } + break; + } +} + +// Plays a sequence on an area. When the sequence ends, the previous image +// is restored. +// Also, is input disabled or not? +// Easy answer: yes. + +// There are only so many legal combinations of client/area. +// Here is the list of supported pairs: +// kBiochipSignature kMiddleAreaSignature +// kBiochipSignature kRightAreaSignature +// kInventorySignature kMiddleAreaSignature + +void AIArea::playAIAreaSequence(const LowerClientSignature, const LowerAreaSignature area, const TimeValue start, const TimeValue stop) { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + lockAIOut(); + + switch (area) { + case kLeftAreaSignature: + break; + case kMiddleAreaSignature: + if (_middleAreaOwner == kInventorySignature) + _middleInventoryTime = _middleAreaMovie.getTime(); + else if (_middleAreaOwner == kBiochipSignature) + _middleBiochipTime = _middleAreaMovie.getTime(); + + _middleAreaMovie.stop(); + _middleAreaMovie.setFlags(0); + _middleAreaMovie.setSegment(start, stop); + _middleAreaMovie.setTime(start); + _middleAreaMovie.show(); + _middleAreaMovie.start(); + vm->_cursor->hide(); + + while (_middleAreaMovie.isRunning()) { + vm->checkCallBacks(); + vm->refreshDisplay(); + g_system->delayMillis(10); + } + + _middleAreaMovie.stop(); + vm->_cursor->hideUntilMoved(); + + if (_middleAreaOwner == kInventorySignature) + setAIAreaToTime(_middleAreaOwner, kMiddleAreaSignature, _middleInventoryTime); + else if (_middleAreaOwner == kBiochipSignature) + setAIAreaToTime(_middleAreaOwner, kMiddleAreaSignature, _middleBiochipTime); + else + setAIAreaToTime(_middleAreaOwner, kMiddleAreaSignature, 0xffffffff); + break; + case kRightAreaSignature: + _rightBiochipTime = _rightAreaMovie.getTime(); + _rightAreaMovie.setSegment(start, stop); + _rightAreaMovie.setTime(start); + _rightAreaMovie.show(); + _rightAreaMovie.start(); + vm->_cursor->hide(); + + while (_rightAreaMovie.isRunning()) { + vm->checkCallBacks(); + vm->refreshDisplay(); + g_system->delayMillis(10); + } + + _rightAreaMovie.stop(); + vm->_cursor->hideUntilMoved(); + setAIAreaToTime(_rightAreaOwner, kRightAreaSignature, _rightBiochipTime); + break; + } + + unlockAI(); +} + +bool AIArea::playAIMovie(const LowerAreaSignature area, const Common::String &movieName, bool keepLastFrame, const InputBits interruptFilter) { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + lockAIOut(); + + InputDevice.waitInput(interruptFilter); + if (_AIMovie.isMovieValid()) + _AIMovie.releaseMovie(); + + _AIMovie.shareSurface(this); + _AIMovie.initFromMovieFile(movieName); + + if (area == kLeftAreaSignature) { + _AIMovie.moveElementTo(kAILeftAreaLeft, kAILeftAreaTop); + _leftAreaMovie.hide(); + } else { + _AIMovie.moveElementTo(kAIRightAreaLeft, kAIRightAreaTop); + _AIMovie.moveMovieBoxTo(kAIRightAreaLeft - kAILeftAreaLeft, 0); + _rightAreaMovie.hide(); + } + + _AIMovie.setTime(0); + _AIMovie.startDisplaying(); + _AIMovie.show(); + _AIMovie.redrawMovieWorld(); + _AIMovie.setVolume(vm->getSoundFXLevel()); + _AIMovie.start(); + vm->_cursor->hide(); + + bool result = true; + bool saveAllowed = vm->swapSaveAllowed(false); + bool openAllowed = vm->swapLoadAllowed(false); + + while (_AIMovie.isRunning()) { + Input input; + InputDevice.getInput(input, interruptFilter); + + if (input.anyInput() || vm->shouldQuit() || vm->saveRequested() || vm->loadRequested()) { + result = false; + break; + } + + vm->checkCallBacks(); + vm->refreshDisplay(); + g_system->delayMillis(10); + } + + _AIMovie.stop(); + + vm->swapSaveAllowed(saveAllowed); + vm->swapLoadAllowed(openAllowed); + + // This used to keep the last frame up even if the movie was interrupted. + // However, this only occurs in the recalibration, where interruption means skip the + // whole thing, so skipping causes the AI to go away even when keepLastFrame is true. + + if (!(result && keepLastFrame)) { + _AIMovie.stopDisplaying(); + _AIMovie.releaseMovie(); + + if (area == kLeftAreaSignature) { + _leftAreaMovie.setTime(_leftInventoryTime); + _leftAreaMovie.show(); + _leftAreaMovie.redrawMovieWorld(); + } else { + _rightAreaMovie.setTime(_rightBiochipTime); + _rightAreaMovie.show(); + _rightAreaMovie.redrawMovieWorld(); + } + } + + vm->_cursor->hideUntilMoved(); + unlockAI(); + return result; +} + +// Only implemented for kMiddleAreaSignature, kInventorySignature +void AIArea::loopAIAreaSequence(const LowerClientSignature owner, const LowerAreaSignature area, const TimeValue start, const TimeValue stop) { + if (area == kMiddleAreaSignature && owner == kInventorySignature && owner == _middleAreaOwner) { + _middleAreaMovie.stop(); + _middleAreaMovie.setFlags(0); + _middleAreaMovie.setSegment(start, stop); + _middleAreaMovie.setFlags(kLoopTimeBase); + _middleAreaMovie.setTime(start); + _middleAreaMovie.show(); + _middleAreaMovie.start(); + } +} + +// Only called by kInventorySignature. +void AIArea::setLeftMovieTime(const TimeValue time) { + if (!_AIMovie.isSurfaceValid()) { + _leftAreaMovie.setTime(time); + _leftAreaMovie.show(); + _leftAreaMovie.redrawMovieWorld(); + } + + _leftAreaOwner = kInventorySignature; + _leftInventoryTime = time; +} + +void AIArea::setMiddleMovieTime(const LowerClientSignature client, const TimeValue time) { + if (client == kInventorySignature) { + _middleInventoryTime = time; + if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + if (currentBiochip && currentBiochip->isSelected()) + currentBiochip->giveUpSharedArea(); + } + } else { + _middleBiochipTime = time; + if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + if (currentItem && currentItem->isSelected()) + currentItem->giveUpSharedArea(); + } + } + + _middleAreaMovie.setSegment(0, _middleAreaMovie.getDuration()); + _middleAreaMovie.stop(); + _middleAreaMovie.setFlags(0); + _middleAreaMovie.setTime(time); + _middleAreaMovie.show(); + _middleAreaMovie.redrawMovieWorld(); + _middleAreaOwner = client; +} + +// Only called by kBiochipSignature. +void AIArea::setRightMovieTime(const TimeValue time) { + if (!_AIMovie.isSurfaceValid()) { + // Can't do it when the AI movie is up... + _rightAreaMovie.setTime(time); + _rightAreaMovie.show(); + _rightAreaMovie.redrawMovieWorld(); + } + + _rightAreaOwner = kBiochipSignature; + _rightBiochipTime = time; +} + +void AIArea::handleInput(const Input &input, const Hotspot *cursorSpot) { + if (JMPPPInput::isToggleAIMiddleInput(input)) + toggleMiddleAreaOwner(); + else + InputHandler::handleInput(input, cursorSpot); +} + +void AIArea::toggleMiddleAreaOwner() { + if (_middleAreaOwner == kInventorySignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + if (currentBiochip) { + setMiddleMovieTime(kBiochipSignature, currentBiochip->getSharedAreaTime()); + currentBiochip->takeSharedArea(); + } + } else if (_middleAreaOwner == kBiochipSignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + if (currentItem) { + setMiddleMovieTime(kInventorySignature, currentItem->getSharedAreaTime()); + currentItem->takeSharedArea(); + } + } +} + +void AIArea::activateHotspots() { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + if (currentBiochip) + switch (currentBiochip->getObjectID()) { + case kAIBiochip: + ((AIChip *)currentBiochip)->activateAIHotspots(); + break; + case kPegasusBiochip: + if (!vm->isDemo()) + ((PegasusChip *)currentBiochip)->activatePegasusHotspots(); + break; + case kOpticalBiochip: + ((OpticalChip *)currentBiochip)->activateOpticalHotspots(); + break; + } + } else if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + if (currentItem && currentItem->getObjectID() == kAirMask) + ((AirMask *)currentItem)->activateAirMaskHotspots(); + } + + InputHandler::activateHotspots(); +} + +void AIArea::clickInHotspot(const Input &input, const Hotspot *hotspot) { + PegasusEngine *vm = (PegasusEngine *)g_engine; + + bool handled = false; + + if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + + if (currentBiochip) { + switch (currentBiochip->getObjectID()) { + case kAIBiochip: + if ((hotspot->getHotspotFlags() & kAIBiochipSpotFlag) != 0) { + ((AIChip *)currentBiochip)->clickInAIHotspot(hotspot->getObjectID()); + handled = true; + } + break; + case kPegasusBiochip: + if (!vm->isDemo() && ((hotspot->getHotspotFlags() & kPegasusBiochipSpotFlag) != 0)) { + ((PegasusChip *)currentBiochip)->clickInPegasusHotspot(); + handled = true; + } + break; + case kOpticalBiochip: + if ((hotspot->getHotspotFlags() & kOpticalBiochipSpotFlag) != 0) { + ((OpticalChip *)currentBiochip)->clickInOpticalHotspot(hotspot->getObjectID()); + handled = true; + } + break; + } + } + } else if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + + if (currentItem) { + switch (currentItem->getObjectID()) { + case kAirMask: + if ((hotspot->getHotspotFlags() & kAirMaskSpotFlag) != 0) { + ((AirMask *)currentItem)->clickInAirMaskHotspot(); + handled = true; + } + break; + } + } + } + + if (!handled) + InputHandler::clickInHotspot(input, hotspot); +} + +void AIArea::lockAIOut() { + if (_lockCount == 0) + stopIdling(); + + _lockCount++; +} + +void AIArea::unlockAI() { + if (_lockCount > 0) { + _lockCount--; + if (_lockCount == 0) + startIdling(); + } +} + +void AIArea::forceAIUnlocked() { + if (_lockCount > 0) { + _lockCount = 1; + unlockAI(); + } +} + +void AIArea::checkRules() { + if (_lockCount == 0 && ((PegasusEngine *)g_engine)->playerAlive()) + for (AIRuleList::iterator it = _AIRules.begin(); it != _AIRules.end(); it++) + if ((*it)->fireRule()) + break; +} + +void AIArea::useIdleTime() { + checkRules(); +} + +void AIArea::addAIRule(AIRule *rule) { + _AIRules.push_back(rule); +} + +void AIArea::removeAllRules() { + for (AIRuleList::iterator it = _AIRules.begin(); it != _AIRules.end(); it++) + delete *it; + + _AIRules.clear(); +} + +void AIArea::checkMiddleArea() { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + + if (currentBiochip) { + if (_middleAreaOwner == kBiochipSignature) { + switch (currentBiochip->getObjectID()) { + case kAIBiochip: + ((AIChip *)currentBiochip)->setUpAIChip(); + break; + case kPegasusBiochip: + ((PegasusChip *)currentBiochip)->setUpPegasusChip(); + break; + } + } else { + switch (currentBiochip->getObjectID()) { + case kAIBiochip: + ((AIChip *)currentBiochip)->setUpAIChipRude(); + break; + case kPegasusBiochip: + ((PegasusChip *)currentBiochip)->setUpPegasusChipRude(); + break; + } + } + } +} + +TimeValue AIArea::getBigInfoTime() { + if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + return currentItem->getInfoLeftTime(); + } else if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + return currentBiochip->getInfoLeftTime(); + } + + return 0xffffffff; +} + +void AIArea::getSmallInfoSegment(TimeValue &start, TimeValue &stop) { + if (_middleAreaOwner == kInventorySignature) { + InventoryItem *currentItem = ((PegasusEngine *)g_engine)->getCurrentInventoryItem(); + currentItem->getInfoRightTimes(start, stop); + } else if (_middleAreaOwner == kBiochipSignature) { + BiochipItem *currentBiochip = ((PegasusEngine *)g_engine)->getCurrentBiochip(); + currentBiochip->getInfoRightTimes(start, stop); + } else { + start = 0xffffffff; + stop = 0xffffffff; + } +} + +LowerClientSignature AIArea::getMiddleAreaOwner() { + return _middleAreaOwner; +} + +} // End of namespace Pegasus |