diff options
Diffstat (limited to 'engines/sherlock/scalpel/scalpel_people.cpp')
| -rw-r--r-- | engines/sherlock/scalpel/scalpel_people.cpp | 532 |
1 files changed, 532 insertions, 0 deletions
diff --git a/engines/sherlock/scalpel/scalpel_people.cpp b/engines/sherlock/scalpel/scalpel_people.cpp new file mode 100644 index 0000000000..53876f8f1c --- /dev/null +++ b/engines/sherlock/scalpel/scalpel_people.cpp @@ -0,0 +1,532 @@ +/* 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. + * + */ + +#include "sherlock/scalpel/scalpel_people.h" +#include "sherlock/scalpel/scalpel_map.h" +#include "sherlock/sherlock.h" + +namespace Sherlock { + +namespace Scalpel { + +// Walk speeds +#define MWALK_SPEED 2 +#define XWALK_SPEED 4 +#define YWALK_SPEED 1 + +/*----------------------------------------------------------------*/ + +void ScalpelPerson::adjustSprite() { + Map &map = *_vm->_map; + People &people = *_vm->_people; + Scene &scene = *_vm->_scene; + Talk &talk = *_vm->_talk; + + if (_type == INVALID || (_type == CHARACTER && scene._animating)) + return; + + if (!talk._talkCounter && _type == CHARACTER && _walkCount) { + // Handle active movement for the sprite + _position += _delta; + --_walkCount; + + if (!_walkCount) { + // If there any points left for the character to walk to along the + // route to a destination, then move to the next point + if (!people[HOLMES]._walkTo.empty()) { + _walkDest = people[HOLMES]._walkTo.pop(); + setWalking(); + } else { + gotoStand(); + } + } + } + + if (_type == CHARACTER && !map._active) { + if ((_position.y / FIXED_INT_MULTIPLIER) > LOWER_LIMIT) { + _position.y = LOWER_LIMIT * FIXED_INT_MULTIPLIER; + gotoStand(); + } + + if ((_position.y / FIXED_INT_MULTIPLIER) < UPPER_LIMIT) { + _position.y = UPPER_LIMIT * FIXED_INT_MULTIPLIER; + gotoStand(); + } + + if ((_position.x / FIXED_INT_MULTIPLIER) < LEFT_LIMIT) { + _position.x = LEFT_LIMIT * FIXED_INT_MULTIPLIER; + gotoStand(); + } + + if ((_position.x / FIXED_INT_MULTIPLIER) > RIGHT_LIMIT) { + _position.x = RIGHT_LIMIT * FIXED_INT_MULTIPLIER; + gotoStand(); + } + } else if (!map._active) { + _position.y = CLIP((int)_position.y, (int)UPPER_LIMIT, (int)LOWER_LIMIT); + _position.x = CLIP((int)_position.x, (int)LEFT_LIMIT, (int)RIGHT_LIMIT); + } + + if (!map._active || (map._frameChangeFlag = !map._frameChangeFlag)) + ++_frameNumber; + + if (_frameNumber >= (int)_walkSequences[_sequenceNumber]._sequences.size() || + _walkSequences[_sequenceNumber][_frameNumber] == 0) { + switch (_sequenceNumber) { + case STOP_UP: + case STOP_DOWN: + case STOP_LEFT: + case STOP_RIGHT: + case STOP_UPRIGHT: + case STOP_UPLEFT: + case STOP_DOWNRIGHT: + case STOP_DOWNLEFT: + // We're in a stop sequence, so reset back to the last frame, so + // the character is shown as standing still + --_frameNumber; + break; + + default: + // Move 1 past the first frame - we need to compensate, since we + // already passed the frame increment + _frameNumber = 1; + break; + } + } + + // Update the _imageFrame to point to the new frame's image + setImageFrame(); + + // Check to see if character has entered an exit zone + if (!_walkCount && scene._walkedInScene && scene._goToScene == -1) { + Common::Rect charRect(_position.x / FIXED_INT_MULTIPLIER - 5, _position.y / FIXED_INT_MULTIPLIER - 2, + _position.x / FIXED_INT_MULTIPLIER + 5, _position.y / FIXED_INT_MULTIPLIER + 2); + Exit *exit = scene.checkForExit(charRect); + + if (exit) { + scene._goToScene = exit->_scene; + + if (exit->_newPosition.x != 0) { + people._savedPos = exit->_newPosition; + + if (people._savedPos._facing > 100 && people._savedPos.x < 1) + people._savedPos.x = 100; + } + } + } +} + +void ScalpelPerson::gotoStand() { + ScalpelMap &map = *(ScalpelMap *)_vm->_map; + People &people = *_vm->_people; + _walkTo.clear(); + _walkCount = 0; + + switch (_sequenceNumber) { + case Scalpel::WALK_UP: + _sequenceNumber = STOP_UP; + break; + case WALK_DOWN: + _sequenceNumber = STOP_DOWN; + break; + case TALK_LEFT: + case WALK_LEFT: + _sequenceNumber = STOP_LEFT; + break; + case TALK_RIGHT: + case WALK_RIGHT: + _sequenceNumber = STOP_RIGHT; + break; + case WALK_UPRIGHT: + _sequenceNumber = STOP_UPRIGHT; + break; + case WALK_UPLEFT: + _sequenceNumber = STOP_UPLEFT; + break; + case WALK_DOWNRIGHT: + _sequenceNumber = STOP_DOWNRIGHT; + break; + case WALK_DOWNLEFT: + _sequenceNumber = STOP_DOWNLEFT; + break; + default: + break; + } + + // Only restart frame at 0 if the sequence number has changed + if (_oldWalkSequence != -1 || _sequenceNumber == Scalpel::STOP_UP) + _frameNumber = 0; + + if (map._active) { + _sequenceNumber = 0; + people[HOLMES]._position.x = (map[map._charPoint].x - 6) * FIXED_INT_MULTIPLIER; + people[HOLMES]._position.y = (map[map._charPoint].y + 10) * FIXED_INT_MULTIPLIER; + } + + _oldWalkSequence = -1; + people._allowWalkAbort = true; +} + +void ScalpelPerson::setWalking() { + Map &map = *_vm->_map; + Scene &scene = *_vm->_scene; + int oldDirection, oldFrame; + Common::Point speed, delta; + + // Flag that player has now walked in the scene + scene._walkedInScene = true; + + // Stop any previous walking, since a new dest is being set + _walkCount = 0; + oldDirection = _sequenceNumber; + oldFrame = _frameNumber; + + // Set speed to use horizontal and vertical movement + if (map._active) { + speed = Common::Point(MWALK_SPEED, MWALK_SPEED); + } else { + speed = Common::Point(XWALK_SPEED, YWALK_SPEED); + } + + // If the player is already close to the given destination that no + // walking is needed, move to the next straight line segment in the + // overall walking route, if there is one + for (;;) { + // Since we want the player to be centered on the destination they + // clicked, but characters draw positions start at their left, move + // the destination half the character width to draw him centered + int temp; + if (_walkDest.x >= (temp = _imageFrame->_frame.w / 2)) + _walkDest.x -= temp; + + delta = Common::Point( + ABS(_position.x / FIXED_INT_MULTIPLIER - _walkDest.x), + ABS(_position.y / FIXED_INT_MULTIPLIER - _walkDest.y) + ); + + // If we're ready to move a sufficient distance, that's it. Otherwise, + // move onto the next portion of the walk path, if there is one + if ((delta.x > 3 || delta.y > 0) || _walkTo.empty()) + break; + + // Pop next walk segment off the walk route stack + _walkDest = _walkTo.pop(); + } + + // If a sufficient move is being done, then start the move + if (delta.x > 3 || delta.y) { + // See whether the major movement is horizontal or vertical + if (delta.x >= delta.y) { + // Set the initial frame sequence for the left and right, as well + // as setting the delta x depending on direction + if (_walkDest.x < (_position.x / FIXED_INT_MULTIPLIER)) { + _sequenceNumber = (map._active ? (int)MAP_LEFT : (int)WALK_LEFT); + _delta.x = speed.x * -FIXED_INT_MULTIPLIER; + } else { + _sequenceNumber = (map._active ? (int)MAP_RIGHT : (int)WALK_RIGHT); + _delta.x = speed.x * FIXED_INT_MULTIPLIER; + } + + // See if the x delta is too small to be divided by the speed, since + // this would cause a divide by zero error + if (delta.x >= speed.x) { + // Det the delta y + _delta.y = (delta.y * FIXED_INT_MULTIPLIER) / (delta.x / speed.x); + if (_walkDest.y < (_position.y / FIXED_INT_MULTIPLIER)) + _delta.y = -_delta.y; + + // Set how many times we should add the delta to the player's position + _walkCount = delta.x / speed.x; + } else { + // The delta x was less than the speed (ie. we're really close to + // the destination). So set delta to 0 so the player won't move + _delta = Point32(0, 0); + _position = Point32(_walkDest.x * FIXED_INT_MULTIPLIER, _walkDest.y * FIXED_INT_MULTIPLIER); + + _walkCount = 1; + } + + // See if the sequence needs to be changed for diagonal walking + if (_delta.y > 150) { + if (!map._active) { + switch (_sequenceNumber) { + case WALK_LEFT: + _sequenceNumber = WALK_DOWNLEFT; + break; + case WALK_RIGHT: + _sequenceNumber = WALK_DOWNRIGHT; + break; + } + } + } else if (_delta.y < -150) { + if (!map._active) { + switch (_sequenceNumber) { + case WALK_LEFT: + _sequenceNumber = WALK_UPLEFT; + break; + case WALK_RIGHT: + _sequenceNumber = WALK_UPRIGHT; + break; + } + } + } + } else { + // Major movement is vertical, so set the sequence for up and down, + // and set the delta Y depending on the direction + if (_walkDest.y < (_position.y / FIXED_INT_MULTIPLIER)) { + _sequenceNumber = WALK_UP; + _delta.y = speed.y * -FIXED_INT_MULTIPLIER; + } else { + _sequenceNumber = WALK_DOWN; + _delta.y = speed.y * FIXED_INT_MULTIPLIER; + } + + // If we're on the overhead map, set the sequence so we keep moving + // in the same direction + if (map._active) + _sequenceNumber = (oldDirection == -1) ? MAP_RIGHT : oldDirection; + + // Set the delta x + _delta.x = (delta.x * FIXED_INT_MULTIPLIER) / (delta.y / speed.y); + if (_walkDest.x < (_position.x / FIXED_INT_MULTIPLIER)) + _delta.x = -_delta.x; + + _walkCount = delta.y / speed.y; + } + } + + // See if the new walk sequence is the same as the old. If it's a new one, + // we need to reset the frame number to zero so it's animation starts at + // it's beginning. Otherwise, if it's the same sequence, we can leave it + // as is, so it keeps the animation going at wherever it was up to + if (_sequenceNumber != _oldWalkSequence) + _frameNumber = 0; + _oldWalkSequence = _sequenceNumber; + + if (!_walkCount) + gotoStand(); + + // If the sequence is the same as when we started, then Holmes was + // standing still and we're trying to re-stand him, so reset Holmes' + // rame to the old frame number from before it was reset to 0 + if (_sequenceNumber == oldDirection) + _frameNumber = oldFrame; +} + +void ScalpelPerson::walkToCoords(const Point32 &destPos, int destDir) { + Events &events = *_vm->_events; + People &people = *_vm->_people; + Scene &scene = *_vm->_scene; + Talk &talk = *_vm->_talk; + + CursorId oldCursor = events.getCursor(); + events.setCursor(WAIT); + + _walkDest = Common::Point(destPos.x / FIXED_INT_MULTIPLIER + 10, destPos.y / FIXED_INT_MULTIPLIER); + people._allowWalkAbort = true; + goAllTheWay(); + + // Keep calling doBgAnim until the walk is done + do { + events.pollEventsAndWait(); + scene.doBgAnim(); + } while (!_vm->shouldQuit() && _walkCount); + + if (!talk._talkToAbort) { + // Put character exactly on destination position, and set direction + _position = destPos; + _sequenceNumber = destDir; + gotoStand(); + + // Draw Holmes facing the new direction + scene.doBgAnim(); + + if (!talk._talkToAbort) + events.setCursor(oldCursor); + } +} + +Common::Point ScalpelPerson::getSourcePoint() const { + return Common::Point(_position.x / FIXED_INT_MULTIPLIER + frameWidth() / 2, + _position.y / FIXED_INT_MULTIPLIER); +} + +/*----------------------------------------------------------------*/ + +ScalpelPeople::ScalpelPeople(SherlockEngine *vm) : People(vm) { + _data.push_back(new ScalpelPerson()); +} + +void ScalpelPeople::setTalking(int speaker) { + Resources &res = *_vm->_res; + + // If no speaker is specified, then we can exit immediately + if (speaker == -1) + return; + + if (_portraitsOn) { + delete _talkPics; + Common::String filename = Common::String::format("%s.vgs", _characters[speaker]._portrait); + _talkPics = new ImageFile(filename); + + // Load portrait sequences + Common::SeekableReadStream *stream = res.load("sequence.txt"); + stream->seek(speaker * MAX_FRAME); + + int idx = 0; + do { + _portrait._sequences[idx] = stream->readByte(); + ++idx; + } while (idx < 2 || _portrait._sequences[idx - 2] || _portrait._sequences[idx - 1]); + + delete stream; + + _portrait._maxFrames = idx; + _portrait._frameNumber = 0; + _portrait._sequenceNumber = 0; + _portrait._images = _talkPics; + _portrait._imageFrame = &(*_talkPics)[0]; + _portrait._position = Common::Point(_portraitSide, 10); + _portrait._delta = Common::Point(0, 0); + _portrait._oldPosition = Common::Point(0, 0); + _portrait._goto = Common::Point(0, 0); + _portrait._flags = 5; + _portrait._status = 0; + _portrait._misc = 0; + _portrait._allow = 0; + _portrait._type = ACTIVE_BG_SHAPE; + _portrait._name = " "; + _portrait._description = " "; + _portrait._examine = " "; + _portrait._walkCount = 0; + + if (_holmesFlip || _speakerFlip) { + _portrait._flags |= 2; + + _holmesFlip = false; + _speakerFlip = false; + } + + if (_portraitSide == 20) + _portraitSide = 220; + else + _portraitSide = 20; + + _portraitLoaded = true; + } +} + +void ScalpelPeople::synchronize(Serializer &s) { + s.syncAsByte(_holmesOn); + s.syncAsSint32LE(_data[HOLMES]->_position.x); + s.syncAsSint32LE(_data[HOLMES]->_position.y); + s.syncAsSint16LE(_data[HOLMES]->_sequenceNumber); + s.syncAsSint16LE(_holmesQuotient); + + if (s.isLoading()) { + _savedPos = _data[HOLMES]->_position; + _savedPos._facing = _data[HOLMES]->_sequenceNumber; + } +} + +void ScalpelPeople::setTalkSequence(int speaker, int sequenceNum) { + People &people = *_vm->_people; + Scene &scene = *_vm->_scene; + + // If no speaker is specified, then nothing needs to be done + if (speaker == -1) + return; + + if (speaker) { + int objNum = people.findSpeaker(speaker); + if (objNum != -1) { + Object &obj = scene._bgShapes[objNum]; + + if (obj._seqSize < MAX_TALK_SEQUENCES) { + warning("Tried to copy too many talk frames"); + } + else { + for (int idx = 0; idx < MAX_TALK_SEQUENCES; ++idx) { + obj._sequences[idx] = people._characters[speaker]._talkSequences[idx]; + if (idx > 0 && !obj._sequences[idx] && !obj._sequences[idx - 1]) + return; + + obj._frameNumber = 0; + obj._sequenceNumber = 0; + } + } + } + } +} + +bool ScalpelPeople::loadWalk() { + bool result = false; + + if (_data[HOLMES]->_walkLoaded) { + return false; + } else { + if (!IS_3DO) { + _data[HOLMES]->_images = new ImageFile("walk.vgs"); + } else { + // Load walk.anim on 3DO, which is a cel animation file + _data[HOLMES]->_images = new ImageFile3DO("walk.anim", kImageFile3DOType_CelAnimation); + } + _data[HOLMES]->setImageFrame(); + _data[HOLMES]->_walkLoaded = true; + + result = true; + } + + _forceWalkReload = false; + return result; +} + +const Common::Point ScalpelPeople::restrictToZone(int zoneId, const Common::Point &destPos) { + Scene &scene = *_vm->_scene; + Common::Point walkDest = destPos; + + // The destination isn't in a zone + if (walkDest.x >= (SHERLOCK_SCREEN_WIDTH - 1)) + walkDest.x = SHERLOCK_SCREEN_WIDTH - 2; + + // Trace a line between the centroid of the found closest zone to + // the destination, to find the point at which the zone will be left + const Common::Rect &destRect = scene._zones[zoneId]; + const Common::Point destCenter((destRect.left + destRect.right) / 2, + (destRect.top + destRect.bottom) / 2); + const Common::Point delta = walkDest - destCenter; + Point32 pt(destCenter.x * FIXED_INT_MULTIPLIER, destCenter.y * FIXED_INT_MULTIPLIER); + + // Move along the line until the zone is left + do { + pt += delta; + } while (destRect.contains(pt.x / FIXED_INT_MULTIPLIER, pt.y / FIXED_INT_MULTIPLIER)); + + // Set the new walk destination to the last point that was in the + // zone just before it was left + return Common::Point((pt.x - delta.x * 2) / FIXED_INT_MULTIPLIER, + (pt.y - delta.y * 2) / FIXED_INT_MULTIPLIER); +} + +} // End of namespace Scalpel + +} // End of namespace Sherlock |