diff options
Diffstat (limited to 'engines/sherlock/tattoo/tattoo_people.cpp')
| -rw-r--r-- | engines/sherlock/tattoo/tattoo_people.cpp | 1432 |
1 files changed, 1432 insertions, 0 deletions
diff --git a/engines/sherlock/tattoo/tattoo_people.cpp b/engines/sherlock/tattoo/tattoo_people.cpp new file mode 100644 index 0000000000..7aaa0a082c --- /dev/null +++ b/engines/sherlock/tattoo/tattoo_people.cpp @@ -0,0 +1,1432 @@ +/* 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/tattoo/tattoo_people.h" +#include "sherlock/tattoo/tattoo_scene.h" +#include "sherlock/tattoo/tattoo_talk.h" +#include "sherlock/tattoo/tattoo_user_interface.h" +#include "sherlock/tattoo/tattoo.h" + +namespace Sherlock { + +namespace Tattoo { + +#define FACING_PLAYER 16 +#define NUM_ADJUSTED_WALKS 21 + +struct AdjustWalk { + char _vgsName[9]; + int _xAdjust; + int _flipXAdjust; + int _yAdjust; +} ; + +static const AdjustWalk ADJUST_WALKS[NUM_ADJUSTED_WALKS] = { + { "TUPRIGHT", -7, -19, 6 }, + { "TRIGHT", 8, -14, 0 }, + { "TDOWNRG", 14, -12, 0 }, + { "TWUPRIGH", 12, 4, 2 }, + { "TWRIGHT", 31, -14, 0 }, + { "TWDOWNRG", 6, -24, 0 }, + { "HTUPRIGH", 2, -20, 0 }, + { "HTRIGHT", 28, -20, 0 }, + { "HTDOWNRG", 8, -2, 0 }, + { "GTUPRIGH", 4, -12, 0 }, + { "GTRIGHT", 12, -16, 0 }, + { "GTDOWNRG", 10, -18, 0 }, + { "JTUPRIGH", 8, -10, 0 }, + { "JTRIGHT", 22, -6, 0 }, + { "JTDOWNRG", 4, -20, 0 }, + { "CTUPRIGH", 10, 0, 0 }, + { "CTRIGHT", 26, -22, 0 }, + { "CTDOWNRI", 16, 4, 0 }, + { "ITUPRIGH", 0, 0, 0 }, + { "ITRIGHT", 20, 0, 0 }, + { "ITDOWNRG", 8, 0, 0 } +}; + +static const int WALK_SPEED_X[99] = { + 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 98, 90, 90, 90, 90, 90, 91, 90, 90, + 90, 90,100, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,100, 90, + 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90,103, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90 +}; + +static const int WALK_SPEED_Y[99] = { + 28, 28, 28, 28, 28, 28, 28, 28, 28, 32, 32, 32, 28, 28, 28, 28, 28, 26, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 32, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 31, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28 +}; + +static const int WALK_SPEED_DIAG_X[99] = { + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 90, 50, 50, 50, 50, 50, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50 +}; + +/*----------------------------------------------------------------*/ + +SavedNPCPath::SavedNPCPath() { + Common::fill(&_path[0], &_path[MAX_NPC_PATH], 0); + _npcIndex = 0; + _npcPause = 0; + _npcFacing = 0; + _lookHolmes = false; +} + +SavedNPCPath::SavedNPCPath(byte path[MAX_NPC_PATH], int npcIndex, int npcPause, const Common::Point &walkDest, + int npcFacing, bool lookHolmes) : _npcIndex(npcIndex), _npcPause(npcPause), _walkDest(walkDest), + _npcFacing(npcFacing), _lookHolmes(lookHolmes) { + Common::copy(&path[0], &path[MAX_NPC_PATH], &_path[0]); +} + +/*----------------------------------------------------------------*/ + +TattooPerson::TattooPerson() : Person() { + Common::fill(&_npcPath[0], &_npcPath[MAX_NPC_PATH], 0); + _tempX = _tempScaleVal = 0; + _npcIndex = 0; + _npcMoved = false; + _npcFacing = -1; + _resetNPCPath = true; + _savedNpcSequence = 0; + _savedNpcFrame = 0; + _updateNPCPath = true; + _npcPause = 0; + _lookHolmes = false; +} + +void TattooPerson::freeAltGraphics() { + if (_altImages != nullptr) { + delete _altImages; + _altImages = nullptr; + } + + _altSeq = 0; +} + +void TattooPerson::adjustSprite() { + People &people = *_vm->_people; + TattooScene &scene = *(TattooScene *)_vm->_scene; + TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui; + + if (_type == INVALID) + return; + + if (_type == CHARACTER && _status) { + // Sprite waiting to move, so restart walk + _walkCount = _status; + _status = 0; + + _walkDest = _walkTo.front(); + setWalking(); + } else if (_type == CHARACTER && _walkCount) { + if (_walkCount > 10) { + _walkDest = _nextDest; + setWalking(); + } + + _position += _delta; + if (_walkCount) + --_walkCount; + + if (!_walkCount) { + // If there are remaining points to walk, move to the next one + if (!_walkTo.empty()) { + _walkDest = _walkTo.pop(); + setWalking(); + } else { + gotoStand(); + } + } + } + + if (_type != CHARACTER) { + if (_position.y > SHERLOCK_SCREEN_HEIGHT) + _position.y = SHERLOCK_SCREEN_HEIGHT; + + if (_position.y < UPPER_LIMIT) + _position.y = UPPER_LIMIT; + + if (_position.x < LEFT_LIMIT) + _position.x = LEFT_LIMIT; + + if (_position.x > RIGHT_LIMIT) + _position.x = RIGHT_LIMIT; + } + + int frameNum = _frameNumber; + if (frameNum == -1) + frameNum = 0; + int idx = _walkSequences[_sequenceNumber][frameNum]; + if (idx > _maxFrames) + idx = 1; + + // Set the image frame + if (_altSeq) + _imageFrame = &(*_altImages)[idx - 1]; + else + _imageFrame = &(*_images)[idx - 1]; + + // See if the player has come to a stop after clicking on an Arrow zone to leave the scene. + // If so, this will set up the exit information for the scene transition + if (!_walkCount && ui._exitZone != -1 && scene._walkedInScene && scene._goToScene == -1 && + !_description.compareToIgnoreCase(people[HOLMES]._description)) { + Exit &exit = scene._exits[ui._exitZone]; + 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 TattooPerson::gotoStand() { + TattooPeople &people = *(TattooPeople *)_vm->_people; + + // If the misc field is set, then we're running a special talk sequence, so don't interrupt it. + if (_misc) + return; + + _walkTo.clear(); + _walkCount = 0; + int oldFacing = _sequenceNumber; + + // If the person was talking or listening, just return it to the standing sequence + // in the direction they were pointing + if (_sequenceNumber >= TALK_UPRIGHT && _sequenceNumber <= LISTEN_UPLEFT) { + switch (_sequenceNumber) { + case TALK_UPRIGHT: + case LISTEN_UPRIGHT: + _sequenceNumber = STOP_UPRIGHT; + break; + case TALK_RIGHT: + case LISTEN_RIGHT: + _sequenceNumber = STOP_RIGHT; + break; + case TALK_DOWNRIGHT: + case LISTEN_DOWNRIGHT: + _sequenceNumber = STOP_DOWNRIGHT; + break; + case TALK_DOWNLEFT: + case LISTEN_DOWNLEFT: + _sequenceNumber = STOP_DOWNLEFT; + break; + case TALK_LEFT: + case LISTEN_LEFT: + _sequenceNumber = STOP_LEFT; + break; + case TALK_UPLEFT: + case LISTEN_UPLEFT: + _sequenceNumber = STOP_UPLEFT; + break; + default: + break; + } + + if (_seqTo) { + // Reset to previous value + _walkSequences[oldFacing]._sequences[_frameNumber] = _seqTo; + _seqTo = 0; + } + + // Set the Frame number to the last frame so we don't move + _frameNumber = 0; + + checkWalkGraphics(); + + _oldWalkSequence = -1; + people._allowWalkAbort = true; + return; + } + + // If the sprite that is stopping is an NPC and he is supposed to face a certain direction + // when he stops, set that direction here + int npc = -1; + for (int idx = 1; idx < MAX_CHARACTERS; ++idx) { + if (_imageFrame == people[idx]._imageFrame) + npc = idx; + } + + if (npc != -1 && people[npc]._npcFacing != -1) { + if (people[npc]._npcFacing == FACING_PLAYER) { + // See where Holmes is with respect to the NPC (x coords) + if (people[HOLMES]._position.x < people[npc]._position.x) + people[npc]._npcFacing = STOP_LEFT; + else + people[npc]._npcFacing = STOP_RIGHT; + + // See where Holmes is with respect to the NPC (y coords) + if (people[HOLMES]._position.y < people[npc]._position.y - (10 * FIXED_INT_MULTIPLIER)) { + // Holmes is above the NPC so reset the facing to the diagonal ups + if (people[npc]._npcFacing == STOP_RIGHT) + people[npc]._npcFacing = STOP_UPRIGHT; + else + people[npc]._npcFacing = STOP_UPLEFT; + } else { + if (people[HOLMES]._position.y > people[npc]._position.y + (10 * FIXED_INT_MULTIPLIER)) { + // Holmes is below the NPC so reset the facing to the diagonal downs + if (people[npc]._npcFacing == STOP_RIGHT) + people[npc]._npcFacing = STOP_DOWNRIGHT; + else + people[npc]._npcFacing = STOP_DOWNLEFT; + } + } + } + + _sequenceNumber = people[npc]._npcFacing; + } else { + switch (_sequenceNumber) { + case WALK_UP: _sequenceNumber = STOP_UP; break; + case WALK_UPRIGHT: _sequenceNumber = STOP_UPRIGHT; break; + case WALK_RIGHT: _sequenceNumber = STOP_RIGHT; break; + case WALK_DOWNRIGHT: _sequenceNumber = STOP_DOWNRIGHT; break; + case WALK_DOWN: _sequenceNumber = STOP_DOWN; break; + case WALK_DOWNLEFT: _sequenceNumber = STOP_DOWNLEFT;break; + case WALK_LEFT: _sequenceNumber = STOP_LEFT; break; + case WALK_UPLEFT: _sequenceNumber = STOP_UPLEFT; break; + } + } + + // Only restart the frame number at 0 if the new sequence is different from the last sequence + // so we don't let Holmes repeat standing. + if (_oldWalkSequence != -1) { + if (_seqTo) { + // Reset to previous value + _walkSequences[oldFacing]._sequences[_frameNumber] = _seqTo; + _seqTo = 0; + } + + _frameNumber = 0; + } + + checkWalkGraphics(); + + _oldWalkSequence = -1; + people._allowWalkAbort = true; +} + +void TattooPerson::setWalking() { + TattooScene &scene = *(TattooScene *)_vm->_scene; + int oldDirection, oldFrame; + Common::Point delta; + _nextDest = _walkDest; + + // 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 + int scaleVal = scene.getScaleVal(_position); + Common::Point speed(MAX(WALK_SPEED_X[scene._currentScene - 1] * SCALE_THRESHOLD / scaleVal, 2), + MAX(WALK_SPEED_Y[scene._currentScene - 1] * SCALE_THRESHOLD / scaleVal, 2)); + Common::Point diagSpeed(MAX(WALK_SPEED_DIAG_X[scene._currentScene - 1] * SCALE_THRESHOLD / scaleVal, 2), + MAX((WALK_SPEED_Y[scene._currentScene - 1] - 2) * SCALE_THRESHOLD / scaleVal, 2)); + + // 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 (;;) { + if (_centerWalk || !_walkTo.empty()) { + // Since we want the player to be centered on the ultimate destination, and the player + // is drawn from the left side, move the cursor half the width of the player to center it + delta = Common::Point(_position.x / FIXED_INT_MULTIPLIER - _walkDest.x, + _position.y / FIXED_INT_MULTIPLIER - _walkDest.y); + + int dir; + if (ABS(delta.x) > ABS(delta.y)) + dir = (delta.x < 0) ? WALK_LEFT : WALK_RIGHT; + else + dir = (delta.y < 0) ? WALK_UP : WALK_DOWN; + + scaleVal = scene.getScaleVal(Point32(_walkDest.x * FIXED_INT_MULTIPLIER, + _walkDest.y * FIXED_INT_MULTIPLIER)); + _walkDest.x -= _stopFrames[dir]->sDrawXSize(scaleVal) / 2; + } + + 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 = WALK_LEFT; + _delta.x = speed.x * -(FIXED_INT_MULTIPLIER / 10); + } else { + _sequenceNumber = WALK_RIGHT; + _delta.x = speed.x * (FIXED_INT_MULTIPLIER / 10); + } + + // 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 * 10) >= speed.x) { + // Det the delta y + _delta.y = (delta.y * FIXED_INT_MULTIPLIER) / ((delta.x * 10) / 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 * 10) / 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 > 1500) { + if (_sequenceNumber == WALK_LEFT || _sequenceNumber == WALK_RIGHT) { + _delta.x = _delta.x / speed.x * diagSpeed.x; + _delta.y = (delta.y * FIXED_INT_MULTIPLIER) / (delta.x * 10 / diagSpeed.x); + + _walkCount = delta.x * 10 / diagSpeed.x; + } + + switch (_sequenceNumber) { + case WALK_LEFT: + _sequenceNumber = WALK_DOWNLEFT; + break; + case WALK_RIGHT: + _sequenceNumber = WALK_DOWNRIGHT; + break; + } + } else if (_delta.y < -1500) { + if (_sequenceNumber == WALK_LEFT || _sequenceNumber == WALK_RIGHT) { + _delta.x = _delta.x / speed.x * diagSpeed.x; + _delta.y = -1 * (delta.y * FIXED_INT_MULTIPLIER) / (delta.x * 10 / diagSpeed.x); + + _walkCount = (delta.x * 10) / diagSpeed.x; + } + + 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 / 10); + } else { + speed.y = diagSpeed.y; + _sequenceNumber = WALK_DOWN; + _delta.y = speed.y * (FIXED_INT_MULTIPLIER / 10); + } + + // Set the delta x + if (delta.y * 10 / speed.y) + _delta.x = (delta.x * FIXED_INT_MULTIPLIER) / (delta.y * 10 / speed.y); + else + _delta.x = (delta.x * FIXED_INT_MULTIPLIER) / delta.y; + + if (_walkDest.x < _position.y / FIXED_INT_MULTIPLIER) + _delta.x = -_delta.x; + + // Set how many times we should add the delta's to the players position + if (delta.y * 10 / speed.y) + _walkCount = delta.y * 10 / speed.y; + else + _walkCount = delta.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) { + if (_seqTo) { + // Reset to previous value + _walkSequences[oldDirection]._sequences[_frameNumber] = _seqTo; + _seqTo = 0; + } + _frameNumber = 0; + } + + checkWalkGraphics(); + _oldWalkSequence = _sequenceNumber; + + if (!_walkCount && _walkTo.empty()) + 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 TattooPerson::walkToCoords(const Point32 &destPos, int destDir) { + TattooEngine &vm = *(TattooEngine *)_vm; + Events &events = *_vm->_events; + TattooPeople &people = *(TattooPeople *)_vm->_people; + TattooScene &scene = *(TattooScene *)_vm->_scene; + Talk &talk = *_vm->_talk; + + CursorId oldCursor = events.getCursor(); + events.setCursor(WAIT); + + _walkDest = Common::Point(destPos.x / FIXED_INT_MULTIPLIER, destPos.y / FIXED_INT_MULTIPLIER); + + bool isHolmes = this == &people[HOLMES]; + if (isHolmes) { + people._allowWalkAbort = true; + } else { + // Clear the path Variables + _npcIndex = _npcPause; + Common::fill(_npcPath, _npcPath + 100, 0); + _npcFacing = destDir; + } + + _centerWalk = false; + + // Only move the person if they're going an appreciable distance + if (ABS(_walkDest.x - (_position.x / FIXED_INT_MULTIPLIER)) > 8 || + ABS(_walkDest.y - (_position.y / FIXED_INT_MULTIPLIER)) > 4) { + goAllTheWay(); + + do { + // Keep doing animations whilst walk is in progress + events.wait(1); + scene.doBgAnim(); + + if (events.kbHit()) { + Common::KeyState keyState = events.getKey(); + + if (keyState.keycode == Common::KEYCODE_ESCAPE && vm._runningProlog) { + vm.setFlags(-76); + vm.setFlags(396); + scene._goToScene = 1; + talk._talkToAbort = true; + } + } + } while (!_vm->shouldQuit() && _walkCount && !talk._talkToAbort); + } + + _centerWalk = true; + if (!isHolmes) + _updateNPCPath = true; + + if (!talk._talkToAbort) { + // put character exactly on right spot + _position = destPos; + + if (_sequenceNumber != destDir) { + // Facing character to correct ending direction + _sequenceNumber = destDir; + gotoStand(); + } + + if (!isHolmes) + _updateNPCPath = false; + + // Secondary walking wait loop + bool done = false; + while (!done && !_vm->shouldQuit()) { + events.wait(1); + scene.doBgAnim(); + + // See if we're past the initial goto stand sequence + for (int idx = 0; idx < _frameNumber; ++idx) { + if (_walkSequences[_sequenceNumber][idx] == 0) { + done = true; + break; + } + } + + if (events.kbHit()) { + Common::KeyState keyState = events.getKey(); + + if (keyState.keycode == Common::KEYCODE_ESCAPE && vm._runningProlog) { + vm.setFlags(-76); + vm.setFlags(396); + scene._goToScene = 1; + talk._talkToAbort = true; + } + } + } + + if (!isHolmes) + _updateNPCPath = true; + + if (!talk._talkToAbort) + events.setCursor(oldCursor); + } +} + +void TattooPerson::clearNPC() { + Common::fill(&_npcPath[0], &_npcPath[MAX_NPC_PATH], 0); + _npcIndex = 0; + _pathStack.clear(); + _npcName = ""; +} + +void TattooPerson::updateNPC() { + People &people = *_vm->_people; + Talk &talk = *_vm->_talk; + + // If the NPC isn't on, or it's in Talk or Listen Mode, then return without doing anything + if (_type != CHARACTER || _sequenceNumber >= TALK_UPRIGHT) + return; + + // If the NPC is paused, just decrement his pause counter and exit + if (_npcPause) { + // Decrement counter + --_npcPause; + + // Now see if we need to update the NPC's frame sequence so that he faces Holmes + if (_lookHolmes) { + // See where Holmes is with respect to the NPC (x coordinate) + _npcFacing = (people[HOLMES]._position.x < _position.x) ? STOP_LEFT : STOP_RIGHT; + + // See where Holmes is with respect to the NPC (y coordinate) + if (people[HOLMES]._position.y < (_position.y - 10 * FIXED_INT_MULTIPLIER)) { + // Holmes is above the NPC so reset the facing to a diagonal up + _npcFacing = (_npcFacing == STOP_RIGHT) ? STOP_UPRIGHT : STOP_UPLEFT; + } else if (people[HOLMES]._position.y > (_position.y + 10 * FIXED_INT_MULTIPLIER)) { + // Holmes is below the NPC so reset the facing to a diagonal down + _npcFacing = (_npcFacing == STOP_RIGHT) ? STOP_DOWNRIGHT : STOP_DOWNLEFT; + } + + // See if we need to set the old_walk_sequence so the NPC will put his arms + // up if he turns another way + if (_sequenceNumber != _npcFacing) + _oldWalkSequence = _sequenceNumber; + + gotoStand(); + } + } else { + // Reset the look flag so the NPC won't face Holmes anymore + _lookHolmes = false; + + // See if the NPC is stopped or not. Don't do anything if he's moving + if (!_walkCount) { + // If there is no new command, reset the path back to the beginning + if (!_npcPath[_npcIndex]) + _npcIndex = 0; + + // The NPC is stopped and any pause he was doing is done. We can now see what + // the next command in the NPC path is. + + // Scan Past any NPC Path Labels since they do nothing except mark places for If's and Goto's + while (_npcPath[_npcIndex] == NPCPATH_PATH_LABEL) + _npcIndex += 2; + + if (_npcPath[_npcIndex]) { + _npcFacing = -1; + + switch (_npcPath[_npcIndex]) { + case NPCPATH_SET_DEST: { + // Set the NPC's new destination + int xp = (_npcPath[_npcIndex + 1] - 1) * 256 + _npcPath[_npcIndex + 2] - 1; + if (xp > 16384) + xp = -1 * (xp - 16384); + _walkDest.x = xp; + _walkDest.y = (_npcPath[_npcIndex + 3] - 1) * 256 + _npcPath[_npcIndex + 4] - 1; + _npcFacing = _npcPath[_npcIndex + 5] - 1; + + goAllTheWay(); + _npcIndex += 6; + break; + } + + case NPCPATH_PAUSE: + // Set the NPC to pause where he is + _npcPause = (_npcPath[_npcIndex + 1] - 1) * 256 + _npcPath[_npcIndex + 2] - 1; + _npcIndex += 3; + break; + + case NPCPATH_SET_TALK_FILE: { + // Set the NPC's Talk File to use if Holmes talks to them + ++_npcIndex; + + _npcName = ""; + for (int idx = 0; idx < 8; ++idx) { + if (_npcPath[_npcIndex + idx] != '~') + _npcName += _npcPath[_npcIndex + idx]; + else + break; + } + + _npcIndex += 8; + break; + } + + case NPCPATH_CALL_TALK_FILE: { + // Call a Talk File + ++_npcIndex; + + Common::String name; + for (int idx = 0; idx < 8; ++idx) { + if (_npcPath[_npcIndex + idx] != '~') + name += _npcPath[_npcIndex + idx]; + else + break; + } + + _npcIndex += 8; + talk.talkTo(name); + break; + } + + case NPCPATH_TAKE_NOTES: + // Set the NPC to Pause where he is and set his frame sequences + // so he takes notes while he's paused + _npcPause = (_npcPath[_npcIndex + 1] - 1) * 256 + _npcPath[_npcIndex + 2] - 1; + _npcIndex += 3; + break; + + case NPCPATH_FACE_HOLMES: + // Set the NPC to Pause where he is and set his look flag so he will always face Holmes + // while he is paused + _npcPause = (_npcPath[_npcIndex + 1] - 1) * 256 + _npcPath[_npcIndex + 2] - 1; + _lookHolmes = true; + _npcIndex += 3; + break; + + //case NPCPATH_PATH_LABEL: // No implementation needed here + + case NPCPATH_GOTO_LABEL: { + // Goto NPC Path Label + int label = _npcPath[_npcIndex + 1]; + _npcIndex = 0; + + // Scan through NPC path data to find the label + bool found = false; + while (!found) { + switch (_npcPath[_npcIndex]) { + case NPCPATH_SET_DEST: + _npcIndex += 6; + break; + case NPCPATH_PAUSE: + case NPCPATH_TAKE_NOTES: + case NPCPATH_FACE_HOLMES: + _npcIndex += 3; + break; + case NPCPATH_SET_TALK_FILE: + case NPCPATH_CALL_TALK_FILE: + _npcIndex += 8; + break; + case NPCPATH_PATH_LABEL: + if (_npcPath[_npcIndex + 1] == label) + found = true; + _npcIndex += 2; + break; + case NPCPATH_GOTO_LABEL: + _npcIndex += 2; + break; + case NPCPATH_IFFLAG_GOTO_LABEL: + _npcIndex += 4; + break; + } + } + break; + } + + case NPCPATH_IFFLAG_GOTO_LABEL: { + // If FLAG then Goto Label + int flag = (_npcPath[_npcIndex + 1] - 1) * 256 + _npcPath[_npcIndex + 2] - 1 - (_npcPath[_npcIndex + 2] == 1 ? 1 : 0); + + // Set the value the flag should be for the if statement to succeed + bool flagVal = flag < 16384; + + int label = _npcPath[_npcIndex + 3]; + _npcIndex += 4; + + // If the flag is set Correctly, move the NPC Index to the given label + if (_vm->readFlags(flag & 16383) == flagVal) { + _npcIndex = 0; + bool found = false; + while (!found) + { + switch (_npcPath[_npcIndex]) + { + case NPCPATH_SET_DEST: + _npcIndex += 6; + break; + case NPCPATH_PAUSE: + case NPCPATH_TAKE_NOTES: + case NPCPATH_FACE_HOLMES: + _npcIndex += 3; + break; + case NPCPATH_SET_TALK_FILE: + case NPCPATH_CALL_TALK_FILE: + _npcIndex += 8; + break; + case NPCPATH_PATH_LABEL: + if (_npcPath[_npcIndex + 1] == label) + found = true; + _npcIndex += 2; + break; + case NPCPATH_GOTO_LABEL: + _npcIndex += 2; + break; + case NPCPATH_IFFLAG_GOTO_LABEL: + _npcIndex += 4; + break; + } + } + } + + break; + } + + default: + break; + } + } + } + } +} + +void TattooPerson::pushNPCPath() { + assert(_pathStack.size() < 2); + SavedNPCPath savedPath(_npcPath, _npcIndex, _npcPause, _position, _sequenceNumber, _lookHolmes); + _pathStack.push(savedPath); +} + +void TattooPerson::pullNPCPath() { + // Pop the stack entry and restore the fields + SavedNPCPath path = _pathStack.pop(); + Common::copy(&path._path[0], &path._path[MAX_NPC_PATH], &_npcPath[0]); + _npcIndex = path._npcIndex; + _npcPause = path._npcPause; + + // Handle the first case if the NPC was paused + if (_npcPause) { + _walkDest = Common::Point(path._walkDest.x / FIXED_INT_MULTIPLIER, path._walkDest.y / FIXED_INT_MULTIPLIER); + _npcFacing = path._npcFacing; + _lookHolmes = path._lookHolmes; + + // See if the NPC was moved + if (_walkDest.x != (_position.x / FIXED_INT_MULTIPLIER) || + _walkDest.y != (_position.y / FIXED_INT_MULTIPLIER)) { + goAllTheWay(); + _npcPause = 0; + _npcIndex -= 3; + } else { + // See if we need to set the old walk sequence so the NPC will put his arms up if he turns another way + if (_npcFacing != _sequenceNumber) + _oldWalkSequence = _sequenceNumber; + + gotoStand(); + } + } else { + // Handle the second case if the NPC was in motion + _npcIndex -= 6; + } +} + +Common::Point TattooPerson::getSourcePoint() const { + TattooScene &scene = *(TattooScene *)_vm->_scene; + int scaleVal = scene.getScaleVal(_position); + + return Common::Point(_position.x / FIXED_INT_MULTIPLIER + _imageFrame->sDrawXSize(scaleVal) / 2, + _position.y / FIXED_INT_MULTIPLIER); +} + +void TattooPerson::setObjTalkSequence(int seq) { + assert(seq != -1 && _type == CHARACTER); + + if (_seqTo) { + // reset to previous value + _walkSequences[_sequenceNumber]._sequences[_frameNumber] = _seqTo; + _seqTo = 0; + } + + _sequenceNumber = _gotoSeq; + _frameNumber = 0; + checkWalkGraphics(); +} + +void TattooPerson::checkWalkGraphics() { + People &people = *_vm->_people; + + if (_images == nullptr) { + freeAltGraphics(); + return; + } + + Common::String filename = Common::String::format("%s.vgs", _walkSequences[_sequenceNumber]._vgsName.c_str()); + + // Set the adjust depending on if we have to fine tune the x position of this particular graphic + _adjust.x = _adjust.y = 0; + + for (int idx = 0; idx < NUM_ADJUSTED_WALKS; ++idx) { + if (!scumm_strnicmp(_walkSequences[_sequenceNumber]._vgsName.c_str(), ADJUST_WALKS[idx]._vgsName, + strlen(ADJUST_WALKS[idx]._vgsName))) { + if (_walkSequences[_sequenceNumber]._horizFlip) + _adjust.x = ADJUST_WALKS[idx]._flipXAdjust; + else + _adjust.x = ADJUST_WALKS[idx]._xAdjust; + + _adjust.y = ADJUST_WALKS[idx]._yAdjust; + break; + } + } + + // See if we're already using Alternate Graphics + if (_altSeq) { + // See if the VGS file called for is different than the alternate graphics already loaded + if (!_walkSequences[_sequenceNumber]._vgsName.compareToIgnoreCase(_walkSequences[_altSeq - 1]._vgsName)) { + // Different AltGraphics, Free the old ones + freeAltGraphics(); + } + } + + // If there is no Alternate Sequence set, see if we need to load a new one + if (!_altSeq) { + int npcNum = -1; + // Find which NPC this is so we can check the name of the graphics loaded + for (int idx = 0; idx < MAX_CHARACTERS; ++idx) { + if (this == &people[idx]) { + npcNum = idx; + break; + } + } + + if (npcNum != -1) { + // See if the VGS file called for is different than the main graphics which are already loaded + if (filename.compareToIgnoreCase(people[npcNum]._walkVGSName) != 0) { + // See if this is one of the more used Walk Graphics stored in WALK.LIB + for (int idx = 0; idx < NUM_IN_WALK_LIB; ++idx) { + if (!scumm_stricmp(filename.c_str(), WALK_LIB_NAMES[idx])) { + people._useWalkLib = true; + break; + } + } + + _altImages = new ImageFile(filename); + people._useWalkLib = false; + + _altSeq = _sequenceNumber + 1; + } + } + } + + // If this is a different seqeunce from the current sequence, reset the appropriate variables + if (_sequences != &_walkSequences[_sequenceNumber]._sequences[0]) { + _seqTo = _seqCounter = _seqCounter2 = _seqStack = _startSeq = 0; + _sequences = &_walkSequences[_sequenceNumber]._sequences[0]; + _seqSize = _walkSequences[_sequenceNumber]._sequences.size(); + } + + setImageFrame(); +} + +void TattooPerson::synchronize(Serializer &s) { + s.syncAsSint32LE(_position.x); + s.syncAsSint32LE(_position.y); + s.syncAsSint16LE(_sequenceNumber); + s.syncAsSint16LE(_type); + s.syncString(_walkVGSName); + s.syncString(_description); + s.syncString(_examine); + + // NPC specific properties + s.syncBytes(&_npcPath[0], MAX_NPC_PATH); + s.syncString(_npcName); + s.syncAsSint32LE(_npcPause); + s.syncAsByte(_lookHolmes); + s.syncAsByte(_updateNPCPath); + + // Walk to list + uint count = _walkTo.size(); + s.syncAsUint16LE(count); + if (s.isLoading()) { + // Load path + for (uint idx = 0; idx < count; ++idx) { + int xp = 0, yp = 0; + s.syncAsSint16LE(xp); + s.syncAsSint16LE(yp); + _walkTo.push(Common::Point(xp, yp)); + } + } else { + // Save path + Common::Array<Common::Point> path; + + // Save the points of the path + for (uint idx = 0; idx < count; ++idx) { + Common::Point pt = _walkTo.pop(); + s.syncAsSint16LE(pt.x); + s.syncAsSint16LE(pt.y); + path.push_back(pt); + } + + // Re-add the pending points back to the _walkTo queue + for (uint idx = 0; idx < count; ++idx) + _walkTo.push(path[idx]); + } + + // Verbs + for (int idx = 0; idx < 2; ++idx) + _use[idx].synchronize(s); +} + +void TattooPerson::walkHolmesToNPC() { + Events &events = *_vm->_events; + TattooScene &scene = *(TattooScene *)_vm->_scene; + TattooPeople &people = *(TattooPeople *)_vm->_people; + Screen &screen = *_vm->_screen; + Talk &talk = *_vm->_talk; + TattooPerson &holmes = people[HOLMES]; + int facing; + + // If the NPC is moving, stop him at his current position + if (_walkCount) { + // Reset the facing so the NPC will stop facing the direction he was going, + // rather than the direction he was supposed to when he finished wlaking + _npcFacing = -1; + gotoStand(); + } + + int scaleVal = scene.getScaleVal(_position); + ImageFrame &imgFrame = (*holmes._images)[0]; + + // Clear the path variables + memset(_npcPath, 0, 100); + + // Set the NPC path so he pauses for 250 while looking at Holmes + _npcPath[0] = 6; + _npcPath[1] = 1; + _npcPath[2] = 251; + _npcIndex = 0; + _npcPause = 250; + _lookHolmes = true; + + // See where Holmes is with respect to the NPC (x coords) + if (holmes._position.x < _position.x) { + holmes._walkDest.x = MAX(_position.x / FIXED_INT_MULTIPLIER - imgFrame.sDrawXSize(scaleVal), 0); + } else { + holmes._walkDest.x = MIN(_position.x / FIXED_INT_MULTIPLIER + imgFrame.sDrawXSize(scaleVal) * 2, + screen._backBuffer1.w() - 1); + } + + // See where Holmes is with respect to the NPC (y coords) + if (holmes._position.y < (_position.y - imgFrame.sDrawXSize(scaleVal) * 500)) { + holmes._walkDest.y = MAX(_position.y / FIXED_INT_MULTIPLIER - imgFrame.sDrawXSize(scaleVal) / 2, 0); + } else { + if (holmes._position.y > (_position.y + imgFrame.sDrawXSize(scaleVal) * 500)) { + // Holmes is below the NPC + holmes._walkDest.y = MIN(_position.y / FIXED_INT_MULTIPLIER + imgFrame.sDrawXSize(scaleVal) / 2, + SHERLOCK_SCREEN_HEIGHT - 1); + } else { + // Holmes is roughly on the same Y as the NPC + holmes._walkDest.y = _position.y / FIXED_INT_MULTIPLIER; + } + } + + events.setCursor(WAIT); + + _walkDest.x += 10; + people._allowWalkAbort = true; + holmes.goAllTheWay(); + + // Do doBgAnim should be called over and over until walk is done + do { + events.wait(1); + scene.doBgAnim(); + } while (holmes._walkCount); + + if (!talk._talkToAbort) { + // Setup correct direction for Holmes to face + + // See where Holmes is with respect to the NPC (x coords) + facing = (holmes._position.x < _position.x) ? STOP_RIGHT : STOP_LEFT; + + // See where Holmes is with respect to the NPC (y coords) + if (holmes._position.y < (_position.y - (10 * FIXED_INT_MULTIPLIER))) { + // Holmes is above the NPC. Reset the facing to the diagonal downs + facing = (facing == STOP_RIGHT) ? STOP_DOWNRIGHT : STOP_DOWNLEFT; + } else { + if (holmes._position.y > (_position.y + 10 * FIXED_INT_MULTIPLIER)) { + // Holmes is below the NPC. Reset the facing to the diagonal ups + facing = (facing == STOP_RIGHT) ? STOP_UPRIGHT : STOP_UPLEFT; + } + } + + holmes._sequenceNumber = facing; + holmes.gotoStand(); + + events.setCursor(ARROW); + } +} + +/*----------------------------------------------------------------*/ + +TattooPeople::TattooPeople(SherlockEngine *vm) : People(vm) { + for (int idx = 0; idx < 6; ++idx) + _data.push_back(new TattooPerson()); +} + +void TattooPeople::setListenSequence(int speaker, int sequenceNum) { + Scene &scene = *_vm->_scene; + + // If no speaker is specified, then nothing needs to be done + if (speaker == -1) + return; + + int objNum = findSpeaker(speaker); + if (objNum < 256 && objNum != -1) { + // See if the Object has to wait for an Abort Talk Code + Object &obj = scene._bgShapes[objNum]; + if (obj.hasAborts()) + obj._gotoSeq = sequenceNum; + else + obj.setObjTalkSequence(sequenceNum); + } else if (objNum != -1) { + objNum -= 256; + TattooPerson &person = (*this)[objNum]; + + int newDir = person._sequenceNumber; + switch (person._sequenceNumber) { + case WALK_UP: + case STOP_UP: + case WALK_UPRIGHT: + case STOP_UPRIGHT: + case TALK_UPRIGHT: + case LISTEN_UPRIGHT: + newDir = LISTEN_UPRIGHT; + break; + case WALK_RIGHT: + case STOP_RIGHT: + case TALK_RIGHT: + case LISTEN_RIGHT: + newDir = LISTEN_RIGHT; + break; + case WALK_DOWNRIGHT: + case STOP_DOWNRIGHT: + case TALK_DOWNRIGHT: + case LISTEN_DOWNRIGHT: + newDir = LISTEN_DOWNRIGHT; + break; + case WALK_DOWN: + case STOP_DOWN: + case WALK_DOWNLEFT: + case STOP_DOWNLEFT: + case TALK_DOWNLEFT: + case LISTEN_DOWNLEFT: + newDir = LISTEN_DOWNLEFT; + break; + case WALK_LEFT: + case STOP_LEFT: + case TALK_LEFT: + case LISTEN_LEFT: + newDir = LISTEN_LEFT; + break; + case WALK_UPLEFT: + case STOP_UPLEFT: + case TALK_UPLEFT: + case LISTEN_UPLEFT: + newDir = LISTEN_UPLEFT; + break; + + default: + break; + } + + // See if the NPC's Seq has to wait for an Abort Talk Code + if (person.hasAborts()) { + person._gotoSeq = newDir; + } else { + if (person._seqTo) { + // Reset to previous value + person._walkSequences[person._sequenceNumber]._sequences[person._frameNumber] = person._seqTo; + person._seqTo = 0; + } + + person._sequenceNumber = newDir; + person._frameNumber = 0; + person.checkWalkGraphics(); + } + } +} + +void TattooPeople::setTalkSequence(int speaker, int sequenceNum) { + TattooPeople &people = *(TattooPeople *)_vm->_people; + Scene &scene = *_vm->_scene; + TattooTalk &talk = *(TattooTalk *)_vm->_talk; + + // If no speaker is specified, then nothing needs to be done + if (speaker == -1) + return; + + int objNum = people.findSpeaker(speaker); + if (objNum != -1 && objNum < 256) { + Object &obj = scene._bgShapes[objNum]; + + // See if the Object has to wait for an Abort Talk Code + if (obj.hasAborts()) { + talk.pushTalkSequence(&obj); + obj._gotoSeq = sequenceNum; + } + else { + obj.setObjTalkSequence(sequenceNum); + } + } + else if (objNum != -1) { + objNum -= 256; + TattooPerson &person = people[objNum]; + int newDir = person._sequenceNumber; + + switch (newDir) { + case WALK_UP: + case STOP_UP: + case WALK_UPRIGHT: + case STOP_UPRIGHT: + case TALK_UPRIGHT: + case LISTEN_UPRIGHT: + newDir = TALK_UPRIGHT; + break; + case WALK_RIGHT: + case STOP_RIGHT: + case TALK_RIGHT: + case LISTEN_RIGHT: + newDir = TALK_RIGHT; + break; + case WALK_DOWNRIGHT: + case STOP_DOWNRIGHT: + case TALK_DOWNRIGHT: + case LISTEN_DOWNRIGHT: + newDir = TALK_DOWNRIGHT; + break; + case WALK_DOWN: + case STOP_DOWN: + case WALK_DOWNLEFT: + case STOP_DOWNLEFT: + case TALK_DOWNLEFT: + case LISTEN_DOWNLEFT: + newDir = TALK_DOWNLEFT; + break; + case WALK_LEFT: + case STOP_LEFT: + case TALK_LEFT: + case LISTEN_LEFT: + newDir = TALK_LEFT; + break; + case WALK_UPLEFT: + case STOP_UPLEFT: + case TALK_UPLEFT: + case LISTEN_UPLEFT: + newDir = TALK_UPLEFT; + break; + default: + break; + } + + // See if the NPC's sequence has to wait for an Abort Talk Code + if (person.hasAborts()) { + person._gotoSeq = newDir; + } else { + if (person._seqTo) { + // Reset to previous value + person._walkSequences[person._sequenceNumber]._sequences[person._frameNumber] = person._seqTo; + person._seqTo = 0; + } + + person._sequenceNumber = newDir; + person._frameNumber = 0; + person.checkWalkGraphics(); + } + } +} + + +int TattooPeople::findSpeaker(int speaker) { + int result = People::findSpeaker(speaker); + const char *portrait = _characters[speaker]._portrait; + + // Fallback that Rose Tattoo uses if no speaker was found + if (result == -1) { + bool flag = _vm->readFlags(FLAG_PLAYER_IS_HOLMES); + + if (_data[HOLMES]->_type == CHARACTER && ((speaker == HOLMES && flag) || (speaker == WATSON && !flag))) + return -1; + + for (uint idx = 1; idx < _data.size(); ++idx) { + TattooPerson &p = (*this)[idx]; + + if (p._type == CHARACTER) { + Common::String name(p._name.c_str(), p._name.c_str() + 4); + + if (name.equalsIgnoreCase(portrait) && p._npcName[4] >= '0' && p._npcName[4] <= '9') + return idx + 256; + } + } + } + + return -1; +} + +void TattooPeople::synchronize(Serializer &s) { + s.syncAsByte(_holmesOn); + + for (uint idx = 0; idx < _data.size(); ++idx) + (*this)[idx].synchronize(s); + + s.syncAsSint16LE(_holmesQuotient); + + if (s.isLoading()) { + _savedPos.x = _data[HOLMES]->_position.x; + _savedPos.y = _data[HOLMES]->_position.y; + _savedPos._facing = _data[HOLMES]->_sequenceNumber; + } +} + +bool TattooPeople::loadWalk() { + Resources &res = *_vm->_res; + bool result = false; + + for (int idx = 0; idx < MAX_CHARACTERS; ++idx) { + Person &person = *_data[idx]; + + if (!person._walkLoaded && (person._type == CHARACTER || person._type == HIDDEN_CHARACTER)) { + if (person._type == HIDDEN_CHARACTER) + person._type = INVALID; + + // See if this is one of the more used Walk Graphics stored in WALK.LIB + for (int libNum = 0; libNum < NUM_IN_WALK_LIB; ++libNum) { + if (!person._walkVGSName.compareToIgnoreCase(WALK_LIB_NAMES[libNum])) { + _useWalkLib = true; + break; + } + } + + // Load the images for the character + person._images = new ImageFile(person._walkVGSName, false); + person._maxFrames = person._images->size(); + + // Load walk sequence data + Common::String fname = Common::String(person._walkVGSName.c_str(), strchr(person._walkVGSName.c_str(), '.')); + fname += ".SEQ"; + + // Load the walk sequence data + Common::SeekableReadStream *stream = res.load(fname, _useWalkLib ? "walk.lib" : "vgs.lib"); + + person._walkSequences.resize(stream->readByte()); + + for (uint seqNum = 0; seqNum < person._walkSequences.size(); ++seqNum) + person._walkSequences[seqNum].load(*stream); + + // Close the sequences resource + delete stream; + _useWalkLib = false; + + person._sequences = &person._walkSequences[person._sequenceNumber]._sequences[0]; + person._seqSize = person._walkSequences[person._sequenceNumber]._sequences.size(); + person._frameNumber = 0; + person.setImageFrame(); + + // Set the stop Frames pointers + for (int dirNum = 0; dirNum < 8; ++dirNum) { + int count = 0; + while (person._walkSequences[dirNum + 8][count] != 0) + ++count; + count += 2; + count = person._walkSequences[dirNum + 8][count] - 1; + person._stopFrames[dirNum] = &(*person._images)[count]; + } + + result = true; + person._walkLoaded = true; + } else if (person._type != CHARACTER) { + person._walkLoaded = false; + } + } + + _forceWalkReload = false; + return result; +} + + +void TattooPeople::pullNPCPaths() { + for (int idx = 1; idx < MAX_CHARACTERS; ++idx) { + TattooPerson &p = (*this)[idx]; + if (p._npcMoved) { + while (!p._pathStack.empty()) + p.pullNPCPath(); + } + } +} + +const Common::Point TattooPeople::restrictToZone(int zoneId, const Common::Point &destPos) { + Scene &scene = *_vm->_scene; + Screen &screen = *_vm->_screen; + Common::Rect &r = scene._zones[zoneId]; + + if (destPos.x < 0 || destPos.x > screen._backBuffer1.w()) + return destPos; + else if (destPos.y < r.top && r.left < destPos.x && destPos.x < r.right) + return Common::Point(destPos.x, r.top); + else if (destPos.y > r.bottom && r.left < destPos.x && destPos.x < r.right) + return Common::Point(destPos.x, r.bottom); + else if (destPos.x < r.left && r.top < destPos.y && destPos.y < r.bottom) + return Common::Point(r.left, destPos.y); + else if (destPos.x > r.right && r.top < destPos.y && destPos.y < r.bottom) + return Common::Point(r.bottom, destPos.y); + + // Find which corner of the zone the point is closet to + if (destPos.x <= r.left) { + return Common::Point(r.left, (destPos.y <= r.top) ? r.top : r.bottom); + } else { + return Common::Point(r.right, (destPos.y <= r.top) ? r.top : r.bottom); + } +} + + +} // End of namespace Tattoo + +} // End of namespace Sherlock |