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scummvm/engines/lure/hotspots.cpp

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005-2006 The ScummVM project
*
* 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 "lure/hotspots.h"
#include "lure/decode.h"
#include "lure/palette.h"
#include "lure/disk.h"
#include "lure/res.h"
#include "lure/scripts.h"
#include "lure/room.h"
#include "lure/strings.h"
#include "lure/res_struct.h"
#include "lure/events.h"
#include "lure/game.h"
#include "common/endian.h"
namespace Lure {
Hotspot::Hotspot(HotspotData *res): _pathFinder(this) {
Resources &resources = Resources::getReference();
_data = res;
_anim = NULL;
_frames = NULL;
_numFrames = 0;
_persistant = false;
_hotspotId = res->hotspotId;
_originalId = res->hotspotId;
_roomNumber = res->roomNumber;
_startX = res->startX;
_startY = res->startY;
_destX = res->startX;
_destY = res->startY;
_destHotspotId = 0;
_frameWidth = res->width;
_frameStartsUsed = false;
_height = res->height;
_width = res->width;
_heightCopy = res->heightCopy;
_widthCopy = res->widthCopy;
_yCorrection = res->yCorrection;
_talkX = res->talkX;
_talkY = res->talkY;
_layer = res->layer;
_sequenceOffset = res->sequenceOffset;
_tickCtr = res->tickTimeout;
_actions = res->actions;
_colourOffset = res->colourOffset;
_override = resources.getHotspotOverride(res->hotspotId);
setAnimation(_data->animRecordId);
_tickHandler = HotspotTickHandlers::getHandler(_data->tickProcOffset);
_frameCtr = 0;
_skipFlag = false;
_charRectY = 0;
_voiceCtr = 0;
_blockedOffset = 0;
_exitCtr = 0;
_walkFlag = true;
_startRoomNumber = 0;
if (_data->npcSchedule != 0) {
CharacterScheduleEntry *entry = resources.charSchedules().getEntry(_data->npcSchedule);
_currentActions.addFront(DISPATCH_ACTION, entry, _roomNumber);
}
}
// Special constructor used to create a voice hotspot
Hotspot::Hotspot(Hotspot *character, uint16 objType): _pathFinder(this) {
assert(character);
_originalId = objType;
_data = NULL;
_anim = NULL;
_frames = NULL;
_numFrames = 0;
_persistant = false;
_hotspotId = 0xffff;
_override = NULL;
_colourOffset = 0;
_destHotspotId = character->hotspotId();
_blockedOffset = 0;
_exitCtr = 0;
_voiceCtr = 0;
_walkFlag = false;
switch (objType) {
case VOICE_ANIM_ID:
_roomNumber = character->roomNumber();
_destHotspotId = character->hotspotId();
_startX = character->x() + character->talkX() + 12;
_startY = character->y() + character->talkY() - 18;
_destX = _startX;
_destY = _startY;
_layer = 1;
_height = 18;
_width = 32;
_heightCopy = character->height() + 14;
_widthCopy = 24;
_yCorrection = 1;
_tickCtr = 0;
_voiceCtr = 40;
_tickHandler = HotspotTickHandlers::getHandler(VOICE_TICK_PROC_ID);
setAnimation(VOICE_ANIM_ID);
break;
case PUZZLED_ANIM_ID:
case EXCLAMATION_ANIM_ID:
_roomNumber = character->roomNumber();
_hotspotId = 0xfffe;
_startX = character->x() + character->talkX() + 12;
_startY = character->y() + character->talkY() - 20;
_width = 32;
_height = 18;
_widthCopy = 19;
_heightCopy = 18 + character->heightCopy();
_layer = 1;
_persistant = false;
_yCorrection = 1;
_voiceCtr = CONVERSE_COUNTDOWN_SIZE;
_destHotspotId = character->hotspotId();
_tickHandler = HotspotTickHandlers::getHandler(PUZZLED_TICK_PROC_ID);
setAnimation(VOICE_ANIM_ID);
setFrameNumber(objType == PUZZLED_ANIM_ID ? 1 : 2);
character->setFrameCtr(_voiceCtr);
break;
default:
break;
}
_frameWidth = _width;
_frameStartsUsed = false;
}
Hotspot::~Hotspot() {
if (_frames) delete _frames;
}
void Hotspot::setAnimation(uint16 newAnimId) {
Resources &r = Resources::getReference();
HotspotAnimData *tempAnim;
_animId = newAnimId;
if (newAnimId == 0) tempAnim = NULL;
else tempAnim = r.getAnimation(newAnimId);
setAnimation(tempAnim);
}
void Hotspot::setAnimation(HotspotAnimData *newRecord) {
Disk &r = Disk::getReference();
uint16 tempWidth, tempHeight;
int16 xStart;
if (_frames) {
delete _frames;
_frames = NULL;
}
_anim = NULL;
_numFrames = 0;
_frameNumber = 0;
if (!newRecord) return;
if (!r.exists(newRecord->animId)) return;
_anim = newRecord;
MemoryBlock *src = Disk::getReference().getEntry(_anim->animId);
uint16 *numEntries = (uint16 *) src->data();
uint16 *headerEntry = (uint16 *) (src->data() + 2);
assert((*numEntries >= 1) && (*numEntries < 100));
// Calculate total needed size for output and create memory block to hold it
uint32 totalSize = 0;
for (uint16 ctr = 0; ctr < *numEntries; ++ctr, ++headerEntry) {
totalSize += (*headerEntry + 31) / 32;
}
totalSize = (totalSize + 0x81) << 4;
MemoryBlock *dest = Memory::allocate(totalSize);
uint32 srcStart = (*numEntries + 1) * sizeof(uint16) + 6;
AnimationDecoder::decode_data(src, dest, srcStart);
_numFrames = *numEntries;
_frameNumber = 0;
if (newRecord->animRecordId == SERF_ANIM_ID) {
_frameStartsUsed = true;
_frames = new Surface(416, 27);
}
else {
_frames = new Surface(_width * _numFrames, _height);
_frameStartsUsed = false;
}
_frames->data().setBytes(_colourOffset, 0, _frames->data().size());
byte *pSrc = dest->data() + 0x40;
byte *pDest;
headerEntry = (uint16 *) (src->data() + 2);
MemoryBlock &mDest = _frames->data();
uint16 frameOffset = 0x40;
uint16 *offsetPtr = (uint16 *) src->data();
tempWidth = _width;
tempHeight = _height;
for (uint16 frameNumCtr = 0; frameNumCtr < _numFrames; ++frameNumCtr, ++headerEntry) {
if ((newRecord->flags & PIXELFLAG_HAS_TABLE) != 0) {
// For animations with an offset table, set the source pointer
pSrc = dest->data() + frameOffset;
}
if (newRecord->animRecordId == SERF_ANIM_ID) {
// Save the start of each frame for serf, since the size varies
xStart = (frameNumCtr == 0) ? 0 : _frameStarts[frameNumCtr - 1] + tempWidth;
_frameStarts[frameNumCtr] = xStart;
// Switch statement to handle varying size for different frames
switch (frameNumCtr) {
case 3:
tempWidth = 48;
tempHeight = 25;
break;
case 4:
tempHeight = 26;
break;
case 5:
tempWidth = 32;
break;
case 6:
tempHeight = 27;
break;
case 7:
tempWidth = 16;
break;
default:
break;
}
} else {
// Set the X Start based on the frame size
xStart = frameNumCtr * _width;
}
// Copy over the frame, applying the colour offset to each nibble
for (uint16 yPos = 0; yPos < tempHeight; ++yPos) {
pDest = mDest.data() + yPos * _frames->width() + xStart;
for (uint16 xPos = 0; xPos < tempWidth / 2; ++xPos) {
*pDest++ = _colourOffset + (*pSrc >> 4);
*pDest++ = _colourOffset + (*pSrc & 0xf);
++pSrc;
}
}
if ((newRecord->flags & PIXELFLAG_HAS_TABLE) != 0)
frameOffset += (*++offsetPtr >> 1);
}
delete src;
delete dest;
}
void Hotspot::copyTo(Surface *dest) {
int16 xPos = _startX;
int16 yPos = _startY;
uint16 hWidth = _frameWidth;
uint16 hHeight = _height;
Rect r(_frameNumber * hWidth, 0, (_frameNumber + 1) * hWidth - 1, hHeight - 1);
if (_frameStartsUsed) {
assert(_frameNumber < MAX_NUM_FRAMES);
r.left = _frameStarts[_frameNumber];
r.right = (_frameNumber == _numFrames - 1) ? _frames->width() - 1 :
_frameStarts[_frameNumber + 1] - 1;
r.bottom = _height - 1;
}
// Handle clipping for X position
if (xPos < 0) {
if (xPos + hWidth <= 0)
// Completely off screen, so don't display
return;
// Reduce the source rectangle to only the on-screen portion
r.left += -xPos;
xPos = 0;
}
else if (xPos >= FULL_SCREEN_WIDTH)
return;
else if (xPos + hWidth > FULL_SCREEN_WIDTH)
r.right = r.left + (FULL_SCREEN_WIDTH - xPos - 1);
// Handle clipping for Y position
if (yPos < 0) {
if (yPos + hHeight <= MENUBAR_Y_SIZE)
// Completely off screen, so don't display
return;
// Reduce the source rectangle to only the on-screen portion
r.top += -(yPos + MENUBAR_Y_SIZE);
yPos = MENUBAR_Y_SIZE;
}
else if (yPos >= FULL_SCREEN_HEIGHT)
return;
else if (yPos + hHeight > FULL_SCREEN_HEIGHT)
r.bottom = r.top + (FULL_SCREEN_HEIGHT - yPos - 1);
// Final check to make sure there is anything to display
if ((r.top >= r.bottom) || (r.left >= r.right))
return;
_frames->copyTo(dest, r, (uint16) xPos, (uint16) yPos, _colourOffset);
}
void Hotspot::incFrameNumber() {
++_frameNumber;
if (_frameNumber >= _numFrames)
_frameNumber = 0;
}
bool Hotspot::isActiveAnimation() {
return ((_numFrames != 0) && (_layer != 0));
}
uint16 Hotspot::nameId() {
if (_data == NULL)
return 0;
else
return _data->nameId;
}
void Hotspot::setPosition(int16 newX, int16 newY) {
_startX = newX;
_startY = newY;
if (_data) {
_data->startX = newX;
_data->startY = newY;
}
}
void Hotspot::setSize(uint16 newWidth, uint16 newHeight) {
_width = newWidth;
_height = newHeight;
}
bool Hotspot::executeScript() {
if (_data->sequenceOffset == 0)
return false;
else
return HotspotScript::execute(this);
}
void Hotspot::tick() {
debugC(ERROR_BASIC, kLureDebugAnimations, "Hotspot %xh tick begin", _hotspotId);
_tickHandler(*this);
debugC(ERROR_BASIC, kLureDebugAnimations, "Hotspot %xh tick end", _hotspotId);
}
void Hotspot::setTickProc(uint16 newVal) {
if (_data)
_data->tickProcOffset = newVal;
_tickHandler = HotspotTickHandlers::getHandler(newVal);
}
void Hotspot::walkTo(int16 endPosX, int16 endPosY, uint16 destHotspot) {
if ((hotspotId() == PLAYER_ID) && (PATHFIND_COUNTDOWN != 0)) {
// Show the clock cursor whilst pathfinding will be calculated
Mouse &mouse = Mouse::getReference();
mouse.setCursorNum(CURSOR_TIME_START, 0, 0);
}
_destX = endPosX;
_destY = endPosY;
_destHotspotId = destHotspot;
_currentActions.addFront(START_WALKING, _roomNumber);
}
void Hotspot::stopWalking() {
_voiceCtr = 0;
setActionCtr(0);
_currentActions.clear();
Room::getReference().setCursorState(CS_NONE);
}
void Hotspot::endAction() {
Room &room = Room::getReference();
_voiceCtr = 0;
setActionCtr(0);
if (_hotspotId == PLAYER_ID)
//Room::getReference().setCursorState(CS_NONE); **DEBUG**
room.setCursorState((CursorState) ((int) room.cursorState() & 2));
if (_currentActions.top().hasSupportData())
_currentActions.top().setSupportData(_currentActions.top().supportData().next());
}
void Hotspot::setDirection(Direction dir) {
if (_numFrames == 0) return;
uint8 newFrameNumber = 0;
switch (dir) {
case UP:
newFrameNumber = _anim->upFrame;
_charRectY = 4;
break;
case DOWN:
newFrameNumber = _anim->downFrame;
_charRectY = 4;
break;
case LEFT:
newFrameNumber = _anim->leftFrame;
_charRectY = 0;
break;
case RIGHT:
newFrameNumber = _anim->rightFrame;
_charRectY = 0;
break;
default:
break;
}
setFrameNumber(newFrameNumber);
_direction = dir;
}
// Makes the character face the given hotspot
void Hotspot::faceHotspot(HotspotData *hotspot) {
if (hotspot->hotspotId >= START_NONVISUAL_HOTSPOT_ID) {
// Non visual hotspot
setDirection(hotspot->nonVisualDirection());
} else {
// Visual hotspot
int xp = x() - hotspot->startX;
int yp = y() + heightCopy() - (hotspot->startY + hotspot->heightCopy);
if (ABS(yp) >= ABS(xp)) {
if (yp < 0) setDirection(DOWN);
else setDirection(UP);
} else {
if (xp < 0) setDirection(RIGHT);
else setDirection(LEFT);
}
}
if (hotspotId() == PLAYER_ID) {
Room::getReference().update();
Screen::getReference().update();
}
}
void Hotspot::faceHotspot(uint16 id) {
HotspotData *hotspot = Resources::getReference().getHotspot(id);
assert(hotspot != NULL);
faceHotspot(hotspot);
}
// Sets a character walking to a random destination position
void Hotspot::setRandomDest() {
Resources &res = Resources::getReference();
RoomData *roomData = res.getRoom(roomNumber());
Common::Rect &rect = roomData->walkBounds;
Common::RandomSource rnd;
int tryCtr = 0;
int16 xp, yp;
if (_currentActions.isEmpty())
_currentActions.addFront(START_WALKING, roomNumber());
else
_currentActions.top().setAction(START_WALKING);
_walkFlag = true;
while (tryCtr ++ <= 20) {
xp = rect.left + rnd.getRandomNumber(rect.right - rect.left);
yp = rect.left + rnd.getRandomNumber(rect.right - rect.left);
setDestPosition(xp, yp);
setDestHotspot(0);
if (!roomData->paths.isOccupied(xp, yp) && !roomData->paths.isOccupied(xp, yp))
break;
}
}
// Sets or clears the hotspot as occupying an area in its room's pathfinding data
void Hotspot::setOccupied(bool occupiedFlag) {
if ((coveredFlag() != VB_INITIAL) &&
(occupiedFlag == (coveredFlag() == VB_TRUE)))
return;
setCoveredFlag(occupiedFlag ? VB_TRUE : VB_FALSE);
int xp = x() >> 3;
int yp = (y() - 8 + heightCopy() - 4) >> 3;
int widthVal = MAX((widthCopy() >> 3), 1);
// Handle cropping for screen left
if (xp < 0) {
xp = -xp;
widthVal -= xp;
if (widthVal <= 0) return;
xp = 0;
}
// Handle cropping for screen right
int x2 = xp + widthVal - ROOM_PATHS_WIDTH - 1;
if (x2 >= 0) {
widthVal -= (x2 + 1);
if (widthVal <= 0) return;
}
RoomPathsData &paths = Resources::getReference().getRoom(_roomNumber)->paths;
if (occupiedFlag) {
paths.setOccupied(xp, yp, widthVal);
} else {
paths.clearOccupied(xp, yp, widthVal);
}
}
// walks the character a single step in a sequence defined by the walking list
bool Hotspot::walkingStep() {
if (_pathFinder.isEmpty()) return true;
// Check to see if the end of the next straight walking slice
if (_pathFinder.stepCtr() >= _pathFinder.top().numSteps()) {
// Move to next slice in walking sequence
_pathFinder.stepCtr() = 0;
_pathFinder.pop();
if (_pathFinder.isEmpty()) return true;
}
if (_pathFinder.stepCtr() == 0)
// At start of new slice, set the direction
setDirection(_pathFinder.top().direction());
MovementDataList *frameSet;
switch (_pathFinder.top().direction()) {
case UP:
frameSet = &_anim->upFrames;
break;
case DOWN:
frameSet = &_anim->downFrames;
break;
case LEFT:
frameSet = &_anim->leftFrames;
break;
case RIGHT:
frameSet = &_anim->rightFrames;
break;
default:
return true;
}
int16 _xChange, _yChange;
uint16 nextFrame;
frameSet->getFrame(frameNumber(), _xChange, _yChange, nextFrame);
setFrameNumber(nextFrame);
setPosition(x() + _xChange, y() + _yChange);
++_pathFinder.stepCtr();
return false;
}
void Hotspot::updateMovement() {
assert(_data != NULL);
if (_currentActions.action() == EXEC_HOTSPOT_SCRIPT) {
if (_data->coveredFlag) {
// Reset position and direction
resetPosition();
} else {
// Make sure the cell occupied by character is covered
_data->coveredFlag = VB_TRUE;
setOccupied(true);
}
}
}
void Hotspot::updateMovement2(CharacterMode value) {
setCharacterMode(value);
updateMovement();
}
void Hotspot::resetPosition() {
setPosition(x() & 0xf8 | 5, y());
setDirection(direction());
}
void Hotspot::converse(uint16 destCharacterId, uint16 messageId, bool standStill) {
assert(_data);
_data->talkDestCharacterId = destCharacterId;
_data->talkMessageId = messageId;
_data->talkCountdown = CONVERSE_COUNTDOWN_SIZE;
if ((destCharacterId != 0) && (destCharacterId != NOONE_ID)) {
// Talking to a destination - add in any talk countdown from the destination,
// in case the destination is already in process of talking
HotspotData *hotspot = Resources::getReference().getHotspot(destCharacterId);
_data->talkCountdown += hotspot->talkCountdown;
}
if (standStill) {
setDelayCtr(_data->talkCountdown);
_data->characterMode = CHARMODE_CONVERSING;
//TODO: HS[3Eh]=use_hotspot_id, HS[40h]=active_hotspot_id
}
}
void Hotspot::showMessage(uint16 messageId, uint16 destCharacterId) {
Resources &res = Resources::getReference();
MemoryBlock *data = res.messagesData();
Hotspot *hotspot;
uint16 *v = (uint16 *) data->data();
uint16 v2, idVal;
messageId &= 0x7fff;
// Skip through header to find table for given character
while (READ_LE_UINT16(v) != hotspotId()) v += 2;
// Scan through secondary list
++v;
v = (uint16 *) (data->data() + READ_LE_UINT16(v));
v2 = 0;
while ((idVal = READ_LE_UINT16(v)) != 0xffff) {
++v;
if (READ_LE_UINT16(v) == messageId) break;
++v;
}
// default response if a specific response not found
if (idVal == 0xffff) idVal = 0x8c4;
if (idVal == 0x76) {
// Special code id for showing the puzzled talk bubble
hotspot = new Hotspot(this, PUZZLED_ANIM_ID);
res.addHotspot(hotspot);
} else if (idVal == 0x120) {
// Special code id for showing the exclamation talk bubble
hotspot = new Hotspot(this, EXCLAMATION_ANIM_ID);
res.addHotspot(hotspot);
} else if (idVal >= 0x8000) {
// Handle string display
idVal &= 0x7fff;
Dialog::show(idVal);
} else if (idVal != 0) {
// Handle message as a talking dialog (the character talking to themselves)
converse(destCharacterId, idVal);
}
}
void Hotspot::handleTalkDialog() {
assert(_data);
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
Room &room = Room::getReference();
// Return if no talk dialog is necessary
if (_data->talkCountdown == 0) return;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Talk countdown = %d", _data->talkCountdown);
if (_data->talkCountdown == CONVERSE_COUNTDOWN_SIZE) {
// Time to set up the dialog for the character
--_data->talkCountdown;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Talk dialog opening");
startTalkDialog();
if ((_data->talkDestCharacterId != NOONE_ID) && (_data->talkDestCharacterId != 0) &&
(_hotspotId < FIRST_NONCHARACTER_ID)) {
// Speaking to a hotspot
fields.setField(ACTIVE_HOTSPOT_ID, _data->talkDestCharacterId);
// Face the character to the hotspot
HotspotData *destHotspot = res.getHotspot(_data->talkDestCharacterId);
assert(destHotspot != NULL);
faceHotspot(destHotspot);
// If the hotspot is also a character, then face it to the speaker
if (_data->talkDestCharacterId < FIRST_NONCHARACTER_ID) {
Hotspot *charHotspot = res.getActiveHotspot(_data->talkDestCharacterId);
if (charHotspot != NULL)
charHotspot->faceHotspot(resource());
}
}
} else if ((fields.flags() & GAMEFLAG_FAST_TEXTSPEED) != 0) {
// Fast text speed
--_data->talkCountdown;
} else if ((fields.flags() & (GAMEFLAG_8 | GAMEFLAG_4)) != 0) {
fields.flags() |= GAMEFLAG_4;
--_data->talkCountdown;
} else {
--_data->talkCountdown;
fields.flags() -= GAMEFLAG_4;
}
if (_data->talkCountdown == 0) {
// Talking is finish - stop talking and free voice animation
debugC(ERROR_DETAILED, kLureDebugAnimations, "Talk dialog close");
room.setTalkDialog(0, 0, 0, 0);
res.setTalkingCharacter(0);
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Talk handler method end");
}
void Hotspot::startTalkDialog() {
assert(_data);
Room &room = Room::getReference();
if (room.roomNumber() != roomNumber()) return;
room.setTalkDialog(hotspotId(), _data->talkDestCharacterId, _data->useHotspotId,
_data->talkMessageId);
}
/*-------------------------------------------------------------------------*/
/* Hotspot action handling */
/* */
/*-------------------------------------------------------------------------*/
uint16 validRoomExitHotspots[] = {0x2711, 0x2712, 0x2714, 0x2715, 0x2716, 0x2717,
0x2718, 0x2719, 0x271A, 0x271E, 0x271F, 0x2720, 0x2721, 0x2722, 0x2725, 0x2726,
0x2729, 0x272A, 0x272B, 0x272C, 0x272D, 0x272E, 0x272F, 0};
bool Hotspot::isRoomExit(uint16 id) {
for (uint16 *p = &validRoomExitHotspots[0]; *p != 0; ++p)
if (*p == id) return true;
return false;
}
HotspotPrecheckResult Hotspot::actionPrecheck(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
if ((hotspot->hotspotId == 0x420) || (hotspot->hotspotId == 0x436) ||
(hotspot->hotspotId == 0x429)) {
// TODO: figure out specific handling code - sub_213
if (0)
return PC_INITIAL;
} else if (hotspot->roomNumber != roomNumber()) {
// loc_884
if (actionCtr() == 0)
converse(0, hotspotId());
setActionCtr(0);
return PC_NOT_IN_ROOM;
} else if (actionCtr() != 0) {
// loc_883
setActionCtr(actionCtr() + 1);
if (actionCtr() >= 6) {
warning("actionCtr exceeded");
setActionCtr(0);
converse(0, 0xD);
return PC_EXCESS;
}
if ((hotspot->hotspotId >= FIRST_NONCHARACTER_ID) ||
(hotspot->characterMode == CHARMODE_8) ||
(hotspot->characterMode == CHARMODE_4) ||
(hotspot->characterMode == CHARMODE_7)) {
// loc_880
if (characterWalkingCheck(hotspot))
return PC_INITIAL;
} else {
// loc_886
setActionCtr(0);
converse(0, 0xE);
return PC_UNKNOWN;
}
} else {
setActionCtr(1);
if ((hotspot->hotspotId >= FIRST_NONCHARACTER_ID) ||
((hotspot->actionHotspotId != _hotspotId) && (hotspot->characterMode == CHARMODE_4))) {
// loc_880
if (characterWalkingCheck(hotspot))
return PC_INITIAL;
} else if (hotspot->actionHotspotId != _hotspotId) {
if (fields.getField(88) == 2) {
// loc_882
hotspot->v2b = 0x2A;
hotspot->useHotspotId = _hotspotId;
return PC_INITIAL;
} else {
converse(NOONE_ID, 5);
setDelayCtr(4);
}
}
}
// loc_888
setActionCtr(0);
if (hotspot->hotspotId < FIRST_NONCHARACTER_ID) {
hotspot->characterMode = CHARMODE_8;
hotspot->delayCtr = 30;
hotspot->actionHotspotId = hotspot->hotspotId;
}
return PC_EXECUTE;
}
bool Hotspot::characterWalkingCheck(HotspotData *hotspot) {
int16 xp, yp;
if (hotspot == NULL) {
// DEBUG for now - hardcoded value for 3E7h (NULL)
xp = 78; yp = 162;
_walkFlag = true;
}
else if ((hotspot->walkX == 0) && (hotspot->walkY == 0)) {
// The hotspot doesn't have any walk co-ordinates
xp = hotspot->startX;
yp = hotspot->startY + hotspot->heightCopy - 4;
_walkFlag = false;
} else {
xp = hotspot->walkX;
yp = hotspot->walkY & 0x7fff;
_walkFlag = true;
if ((hotspot->walkY & 0x8000) != 0) {
// Special handling for walking
// if (((xp >> 3) != (x() >> 3)) ||
// ((((y() + heightCopy()) >> 3) - 1) != (yp >> 3))) {
if ((ABS(xp - x()) > 8) ||
(ABS(yp - (y() + heightCopy())) > 8)) {
walkTo(xp, yp);
return true;
} else {
return false;
}
}
}
// Default walking handling
// TODO: ANIM[27h] = 1 if hotspot has walk co-ordinates
if ((ABS(x() - xp) >= 8) ||
(ABS(y() + heightCopy() - yp - 1) >= 19)) {
walkTo(xp, yp);
return true;
}
return false;
}
bool Hotspot::doorCloseCheck(uint16 doorId) {
Resources &res = Resources::getReference();
Hotspot *doorHotspot = res.getActiveHotspot(doorId);
if (!doorHotspot) {
warning("Hotspot %xh is not currently active", doorId);
return true;
}
Rect bounds(doorHotspot->x(), doorHotspot->y() + doorHotspot->heightCopy()
- doorHotspot->yCorrection() - doorHotspot->charRectY(),
doorHotspot->x() + doorHotspot->widthCopy(),
doorHotspot->y() + doorHotspot->heightCopy() + doorHotspot->charRectY());
// Loop through active hotspots
HotspotList::iterator i;
HotspotList &lst = res.activeHotspots();
for (i = lst.begin(); i != lst.end(); ++i) {
Hotspot *hsCurrent = *i;
// Skip entry if it's the door or the character
if ((hsCurrent->hotspotId() == hotspotId()) ||
(hsCurrent->hotspotId() == doorHotspot->hotspotId()))
continue;
// Skip entry if it doesn't meet certain criteria
if ((hsCurrent->layer() == 0) ||
(hsCurrent->roomNumber() != doorHotspot->roomNumber()) ||
(hsCurrent->hotspotId() < PLAYER_ID) ||
((hsCurrent->hotspotId() >= 0x408) && (hsCurrent->hotspotId() < 0x2710)))
continue;
// Also skip entry if special Id
if ((hsCurrent->hotspotId() == 0xfffe) || (hsCurrent->hotspotId() == 0xffff))
continue;
// Check the dimensions of the animation
if ((hsCurrent->x() < bounds.right) &&
((hsCurrent->x() + hsCurrent->widthCopy()) > bounds.left) &&
((hsCurrent->y() + hsCurrent->heightCopy() + hsCurrent->charRectY()) >= bounds.top) &&
((hsCurrent->y() + hsCurrent->heightCopy() - hsCurrent->charRectY()
- hsCurrent->yCorrection()) > bounds.bottom)) {
// Return false - the door can't be closed
return false;
}
}
// No blocking characters, so return true that the door can be closed
return true;
}
/*-------------------------------------------------------------------------*/
typedef void (Hotspot::*ActionProcPtr)(HotspotData *hotspot);
void Hotspot::doAction() {
CurrentActionEntry &entry = _currentActions.top();
HotspotData *hotspot = NULL;
if (!entry.hasSupportData() || (entry.supportData().action() == NONE)) {
doAction(NONE, NULL);
} else {
if (entry.supportData().numParams() > 0)
hotspot = Resources::getReference().getHotspot(entry.supportData().param(0));
doAction(entry.supportData().action(), hotspot);
}
}
void Hotspot::doAction(Action action, HotspotData *hotspot) {
ActionProcPtr actionProcList[NPC_JUMP_ADDRESS + 1] = {
&Hotspot::doNothing,
&Hotspot::doGet,
NULL,
&Hotspot::doOperate,
&Hotspot::doOperate,
&Hotspot::doOperate,
&Hotspot::doOpen,
&Hotspot::doClose,
&Hotspot::doLockUnlock,
&Hotspot::doLockUnlock,
&Hotspot::doUse,
&Hotspot::doGive,
&Hotspot::doTalkTo,
&Hotspot::doTell,
NULL,
&Hotspot::doLook,
&Hotspot::doLookAt,
&Hotspot::doLookThrough,
&Hotspot::doAsk,
NULL,
&Hotspot::doDrink,
&Hotspot::doStatus,
&Hotspot::doGoto,
&Hotspot::doReturn,
&Hotspot::doBribe,
&Hotspot::doExamine,
NULL, NULL,
&Hotspot::npcSetRoomAndBlockedOffset,
&Hotspot::npcUnknown1,
&Hotspot::npcExecScript,
&Hotspot::npcResetPausedList,
&Hotspot::npcSetRandomDest,
&Hotspot::npcWalkingCheck,
&Hotspot::npcSetSupportOffset,
&Hotspot::npcSupportOffsetConditional,
&Hotspot::npcDispatchAction,
&Hotspot::npcUnknown3,
&Hotspot::npcPause,
&Hotspot::npcStartTalking,
&Hotspot::npcJumpAddress};
(this->*actionProcList[action])(hotspot);
}
void Hotspot::doNothing(HotspotData *hotspot) {
_currentActions.pop();
if (!_currentActions.isEmpty())
{
setBlockedFlag(false);
currentActions().top().setAction(DISPATCH_ACTION);
}
else if (hotspotId() == PLAYER_ID) {
Room::getReference().setCursorState(CS_NONE);
}
}
void Hotspot::doGet(HotspotData *hotspot) {
Resources &res = Resources::getReference();
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, GET);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
return;
}
if (sequenceOffset != 0) {
uint16 execResult = Script::execute(sequenceOffset);
if (execResult == 1) return;
else if (execResult != 0) {
showMessage(execResult);
return;
}
}
// Move hotspot into characters's inventory
hotspot->roomNumber = hotspotId();
if (hotspot->hotspotId < START_NONVISUAL_HOTSPOT_ID) {
// Deactive hotspot animation
Resources::getReference().deactivateHotspot(hotspot->hotspotId);
// Remove any 'on the ground' description for the hotspot
hotspot->descId2 = 0;
}
}
void Hotspot::doOperate(HotspotData *hotspot) {
Resources &res = Resources::getReference();
Action action = _currentActions.top().supportData().action();
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
setActionCtr(0);
faceHotspot(hotspot);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, action);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset > 1)
showMessage(sequenceOffset);
}
}
void Hotspot::doOpen(HotspotData *hotspot) {
Resources &res = Resources::getReference();
RoomExitJoinData *joinRec;
if (isRoomExit(hotspot->hotspotId)) {
joinRec = res.getExitJoin(hotspot->hotspotId);
if (!joinRec->blocked) {
// Room exit is already open
showMessage(4);
endAction();
return;
}
}
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
setActionCtr(0);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, OPEN);
if (sequenceOffset >= 0x8000) {
// Message to display
showMessage(sequenceOffset);
return;
}
if (sequenceOffset != 0) {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == 1) return;
if (sequenceOffset != 0) {
if (_exitCtr != 0)
_exitCtr = 4;
showMessage(sequenceOffset);
return;
}
}
joinRec = res.getExitJoin(hotspot->hotspotId);
if (joinRec->blocked) {
joinRec->blocked = 0;
if (hotspotId() != PLAYER_ID) {
// TODO: HS[44h]=3, HS[42h]W = 4
}
}
}
void Hotspot::doClose(HotspotData *hotspot) {
Resources &res = Resources::getReference();
RoomExitJoinData *joinRec;
if (isRoomExit(hotspot->hotspotId)) {
joinRec = res.getExitJoin(hotspot->hotspotId);
if (joinRec->blocked) {
// Room exit is already closed/blocked
showMessage(3);
endAction();
return;
}
}
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
setActionCtr(0);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, CLOSE);
if (sequenceOffset >= 0x8000) {
// Message to display
showMessage(sequenceOffset);
return;
} else if (sequenceOffset != 0) {
// Otherwise handle script
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset != 0) {
showMessage(sequenceOffset);
return;
}
}
joinRec = res.getExitJoin(hotspot->hotspotId);
if (!joinRec->blocked) {
// Close the door
if (!doorCloseCheck(joinRec->hotspot1Id) ||
!doorCloseCheck(joinRec->hotspot2Id)) {
// A character is preventing the door from closing
showMessage(2);
} else {
// Flag the door as closed
joinRec->blocked = 1;
}
}
}
void Hotspot::doUse(HotspotData *hotspot) {
Resources &res = Resources::getReference();
uint16 usedId = _currentActions.top().supportData().param(1);
HotspotData *usedHotspot = res.getHotspot(usedId);
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, usedHotspot->hotspotId);
_data->useHotspotId = usedId;
if (usedHotspot->roomNumber != hotspotId()) {
// Item to be used is not in character's inventory - say "What???"
endAction();
showMessage(0xF);
return;
}
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
endAction();
// TODO: If character=3E9h, HS[-1]=28h, HS[1Fh]=50h
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, USE);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else if (sequenceOffset == 0) {
showMessage(17);
} else {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset != 0)
showMessage(sequenceOffset);
}
}
uint16 giveTalkIds[6] = {0xCF5E, 0xCF14, 0xCF90, 0xCFAA, 0xCFD0, 0xCFF6};
void Hotspot::doGive(HotspotData *hotspot) {
Resources &res = Resources::getReference();
uint16 usedId = _currentActions.top().supportData().param(1);
HotspotData *usedHotspot = res.getHotspot(usedId);
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, usedId);
if (usedHotspot->roomNumber != hotspotId()) {
// Item to be used is not in character's inventory - say "What???"
endAction();
showMessage(0xF);
return;
}
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
endAction();
if ((hotspot->hotspotId != PRISONER_ID) || (usedId != BOTTLE_HOTSPOT_ID))
showMessage(7);
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, GIVE);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else if (sequenceOffset != 0) {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == NOONE_ID) {
// Start a conversation based on the index of field #6
uint16 index = fields.getField(GIVE_TALK_INDEX);
assert(index < 6);
startTalk(hotspot, giveTalkIds[index]);
} else if (sequenceOffset == 0) {
// Move item into character's inventory
HotspotData *usedItem = res.getHotspot(usedId);
usedItem->roomNumber = hotspotId();
} else if (sequenceOffset > 1) {
showMessage(result);
}
}
}
void Hotspot::doTalkTo(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
if ((hotspot->hotspotId != SKORL_ID) && ((hotspot->roomNumber != 28) ||
(hotspot->hotspotId != 0x3EB))) {
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
}
faceHotspot(hotspot);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, TALK_TO);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
return;
}
if (sequenceOffset != 0) {
uint16 result = Script::execute(sequenceOffset);
if (result != 0) {
endAction();
return;
}
}
// Start talking with character
startTalk(hotspot, getTalkId(hotspot));
}
void Hotspot::doTell(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
Hotspot *character = res.getActiveHotspot(hotspot->hotspotId);
assert(character);
HotspotPrecheckResult hsResult = actionPrecheck(hotspot);
if (hsResult == PC_INITIAL) return;
else if (hsResult != PC_EXECUTE) {
endAction();
return;
}
converse(hotspot->hotspotId, 0x7C);
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, TELL);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else if (sequenceOffset != 0) {
uint16 result = Script::execute(sequenceOffset);
if (result == 0) {
// Build up sequence of commands for character to follow
CharacterScheduleEntry &cmdData = _currentActions.top().supportData();
character->setStartRoomNumber(character->roomNumber());
character->currentActions().clear();
character->setBlockedFlag(false);
for (int index = 1; index < cmdData.numParams(); index += 3) {
character->currentActions().addBack((Action) cmdData.param(index),
character->roomNumber(), cmdData.param(index + 1), cmdData.param(index + 2));
}
}
}
endAction();
}
void Hotspot::doLook(HotspotData *hotspot) {
endAction();
Dialog::show(Room::getReference().descId());
}
uint16 hotspotLookAtList[] = {0x411, 0x412, 0x41F, 0x420, 0x421, 0x422, 0x426,
0x427, 0x428, 0x429, 0x436, 0x437, 0};
void Hotspot::doLookAt(HotspotData *hotspot) {
Resources &res = Resources::getReference();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, LOOK_AT);
if (hotspot->hotspotId >= FIRST_NONCHARACTER_ID) {
// Check if the hotspot appears in the list of hotspots that don't
// need to be walked to before being looked at
uint16 *tempId = &hotspotLookAtList[0];
while ((*tempId != 0) && (*tempId != hotspot->hotspotId)) ++tempId;
if (!*tempId) {
// Hotspot wasn't in the list
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
}
}
faceHotspot(hotspot);
setActionCtr(0);
endAction();
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else {
if (sequenceOffset != 0)
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == 0) {
uint16 descId = (hotspot->descId2 != 0) ? hotspot->descId2 : hotspot->descId;
Dialog::show(descId);
}
}
}
void Hotspot::doLookThrough(HotspotData *hotspot) {
Resources &res = Resources::getReference();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, LOOK_THROUGH);
if (hotspot->hotspotId >= FIRST_NONCHARACTER_ID) {
// Check if the hotspot appears in the list of hotspots that don't
// need to be walked to before being looked at
uint16 *tempId = &hotspotLookAtList[0];
while ((*tempId != 0) && (*tempId != hotspot->hotspotId)) ++tempId;
if (!*tempId) {
// Hotspot wasn't in the list
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
}
}
faceHotspot(hotspot);
setActionCtr(0);
endAction();
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else {
if (sequenceOffset != 0)
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == 0) {
uint16 descId = (hotspot->descId2 != 0) ? hotspot->descId2 : hotspot->descId;
Dialog::show(descId);
}
}
}
void Hotspot::doAsk(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
uint16 usedId = _currentActions.top().supportData().param(1);
Hotspot *destCharacter = res.getActiveHotspot(hotspot->hotspotId);
assert(destCharacter);
HotspotData *usedHotspot = res.getHotspot(usedId);
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, usedId);
_data->useHotspotId = usedId;
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
endAction();
showMessage(9, hotspot->hotspotId); // CHARACTER, DO YOU HAVE ITEM?
// Get the action and handle the reply
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, ASK);
if (sequenceOffset >= 0x8000) {
destCharacter->showMessage(sequenceOffset, hotspotId());
} else if (sequenceOffset != 0) {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == 0) {
// Give item to character
usedHotspot->roomNumber = hotspotId();
destCharacter->showMessage(32, hotspotId());
} else if (sequenceOffset != 1) {
destCharacter->showMessage(sequenceOffset, hotspotId());
}
}
}
void Hotspot::doDrink(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
endAction();
// Make sure item is in character's inventory
if (hotspot->roomNumber != hotspotId()) {
showMessage(0xF);
return;
}
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, DRINK);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else if (sequenceOffset == 0) {
showMessage(22);
} else {
uint16 result = Script::execute(sequenceOffset);
if (result == 0) {
// Item has been drunk, so remove item from game
hotspot->roomNumber = 0;
} else if (result != 1) {
showMessage(result);
}
}
}
// doStatus
// Handle the status window
void Hotspot::doStatus(HotspotData *hotspot) {
char buffer[MAX_DESC_SIZE];
uint16 numItems = 0;
StringData &strings = StringData::getReference();
Resources &resources = Resources::getReference();
Room &room = Room::getReference();
room.update();
endAction();
strings.getString(room.roomNumber(), buffer);
strcat(buffer, "\n\nYou are carrying ");
// Scan through the list and add in any items assigned to the player
HotspotDataList &list = resources.hotspotData();
HotspotDataList::iterator i;
for (i = list.begin(); i != list.end(); ++i) {
HotspotData *rec = *i;
if (rec->roomNumber == PLAYER_ID) {
if (numItems++ == 0) strcat(buffer, ": ");
else strcat(buffer, ", ");
strings.getString(rec->nameId, buffer + strlen(buffer));
}
}
// If there were no items, add in the word 'nothing'
if (numItems == 0) strcat(buffer, "nothing.");
// If the player has money, add it in
uint16 numGroats = resources.fieldList().numGroats();
if (numGroats > 0) {
sprintf(buffer + strlen(buffer), "\n\nYou have %d groat", numGroats);
if (numGroats > 1) strcat(buffer, "s");
}
// Display the dialog
Screen &screen = Screen::getReference();
Mouse &mouse = Mouse::getReference();
mouse.cursorOff();
Surface *s = Surface::newDialog(INFO_DIALOG_WIDTH, buffer);
s->copyToScreen(INFO_DIALOG_X, (FULL_SCREEN_HEIGHT-s->height())/2);
Events::getReference().waitForPress();
screen.update();
mouse.cursorOn();
}
// doGoto
// Sets the room for the character to go to
void Hotspot::doGoto(HotspotData *hotspot) {
_exitCtr = 0;
_blockedOffset = 0;
_currentActions.top().setRoomNumber(_currentActions.top().supportData().param(0));
endAction();
}
void Hotspot::doReturn(HotspotData *hotspot) {
currentActions().top().setRoomNumber(startRoomNumber());
endAction();
}
uint16 bribe_hotspot_list[] = {0x421, 0x879, 0x3E9, 0x8C7, 0x429, 0x8D1,
0x422, 0x8D4, 0x420, 0x8D6, 0x42B, 0x956, 0x3F2, 0xBE6, 0};
void Hotspot::doBribe(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
uint16 *tempId = &bribe_hotspot_list[0];
uint16 sequenceOffset = 0x14B; // Default sequence offset
while (*tempId != 0) {
if (*tempId++ == hotspotId()) {
sequenceOffset = *tempId;
if ((sequenceOffset & 0x8000) != 0)
sequenceOffset = Script::execute(sequenceOffset & 0x7fff);
break;
}
++tempId; // Move over entry's sequence offset
}
// TODO: call to talk_setup
faceHotspot(hotspot);
setActionCtr(0);
endAction();
sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, BRIBE);
if (sequenceOffset != 0) {
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset != 0) return;
}
// TODO: talk_record_index
showMessage(sequenceOffset);
}
void Hotspot::doExamine(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, EXAMINE);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else {
if (sequenceOffset != 0)
sequenceOffset = Script::execute(sequenceOffset);
if (sequenceOffset == 0) {
Dialog::show(hotspot->descId);
}
}
}
void Hotspot::doLockUnlock(HotspotData *hotspot) {
Action action = _currentActions.top().supportData().action();
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
fields.setField(ACTIVE_HOTSPOT_ID, hotspot->hotspotId);
fields.setField(USE_HOTSPOT_ID, hotspot->hotspotId);
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_INITIAL) return;
else if (result != PC_EXECUTE) {
endAction();
return;
}
faceHotspot(hotspot);
endAction();
uint16 sequenceOffset = res.getHotspotAction(hotspot->actionsOffset, action);
if (sequenceOffset >= 0x8000) {
showMessage(sequenceOffset);
} else {
if (sequenceOffset != 0)
Script::execute(sequenceOffset);
}
}
void Hotspot::npcSetRoomAndBlockedOffset(HotspotData *hotspot) {
CharacterScheduleEntry &entry = _currentActions.top().supportData();
_exitCtr = 0;
_blockedOffset = entry.param(1);
_currentActions.top().setRoomNumber(entry.param(0));
endAction();
}
void Hotspot::npcUnknown1(HotspotData *hotspot) {
warning("Not yet implemented");
endAction();
}
void Hotspot::npcExecScript(HotspotData *hotspot) {
CharacterScheduleEntry &entry = _currentActions.top().supportData();
uint16 offset = entry.param(0);
endAction();
Script::execute(offset);
}
void Hotspot::npcResetPausedList(HotspotData *hotspot) {
Resources &res = Resources::getReference();
setCharacterMode(CHARMODE_HESITATE);
setDelayCtr(IDLE_COUNTDOWN_SIZE + 1);
res.pausedList().reset(hotspotId());
endAction();
}
void Hotspot::npcSetRandomDest(HotspotData *hotspot) {
endAction();
setRandomDest();
}
void Hotspot::npcWalkingCheck(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
CharacterScheduleEntry &entry = _currentActions.top().supportData();
uint16 hId = entry.param(0);
endAction();
fields.setField(USE_HOTSPOT_ID, hId);
fields.setField(ACTIVE_HOTSPOT_ID, hId);
if ((hId < PLAYER_ID) || (hotspot->roomNumber == _roomNumber)) {
characterWalkingCheck(hotspot);
}
}
void Hotspot::npcSetSupportOffset(HotspotData *hotspot) {
CharacterScheduleEntry &entry = _currentActions.top().supportData();
uint16 entryId = entry.param(0);
CharacterScheduleEntry *newEntry = Resources::getReference().
charSchedules().getEntry(entryId, entry.parent());
_currentActions.top().setSupportData(newEntry);
}
void Hotspot::npcSupportOffsetConditional(HotspotData *hotspot) {
Resources &res = Resources::getReference();
CharacterScheduleEntry &entry = _currentActions.top().supportData();
CharacterScheduleEntry *newEntry;
uint16 scriptOffset = entry.param(0);
uint16 entryId = entry.param(1);
if (Script::execute(scriptOffset) == 0) {
// Not succeeded, get next entry
newEntry = entry.next();
} else {
// Get entry specified by parameter 1
newEntry = res.charSchedules().getEntry(entryId, entry.parent());
}
_currentActions.top().setSupportData(newEntry);
HotspotData *hotspotData = (newEntry->numParams() == 0) ? NULL :
res.getHotspot(newEntry->param(0));
doAction(newEntry->action(), hotspotData);
}
void Hotspot::npcDispatchAction(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
CharacterScheduleEntry &entry = _currentActions.top().supportData();
fields.setField(USE_HOTSPOT_ID, entry.param(0));
fields.setField(ACTIVE_HOTSPOT_ID, entry.param(0));
HotspotPrecheckResult result = actionPrecheck(hotspot);
if (result == PC_EXECUTE) {
endAction();
} else if (result != PC_INITIAL) {
CharacterScheduleEntry *newEntry = Resources::getReference().
charSchedules().getEntry(entry.param(0), entry.parent());
_currentActions.top().setSupportData(newEntry);
HotspotData *hotspotData = (newEntry->numParams() == 0) ? NULL :
res.getHotspot(newEntry->param(0));
doAction(newEntry->action(), hotspotData);
}
}
void Hotspot::npcUnknown3(HotspotData *hotspot) {
warning("npcUnknown3: Not yet implemented");
endAction();
}
void Hotspot::npcPause(HotspotData *hotspot) {
uint16 delayAmount = _currentActions.top().supportData().param(0);
endAction();
setCharacterMode(CHARMODE_PAUSED);
setDelayCtr(delayAmount);
}
void Hotspot::npcStartTalking(HotspotData *hotspot) {
CharacterScheduleEntry &entry = _currentActions.top().supportData();
uint16 stringId = entry.param(0);
uint16 destHotspot = entry.param(1);
converse(destHotspot, stringId, false);
endAction();
}
void Hotspot::npcJumpAddress(HotspotData *hotspot) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
int procIndex = _currentActions.top().supportData().param(0);
HotspotData *player;
CharacterScheduleEntry *newEntry;
endAction();
switch (procIndex) {
case 0:
if (fields.getField(OLD_ROOM_NUMBER) == 19) {
fields.setField(TALK_INDEX, 24);
res.getHotspot(0x3F1)->nameId = 0x154;
Dialog::show(0xAB9);
}
break;
case 1:
player = res.getHotspot(PLAYER_ID);
newEntry = res.charSchedules().getEntry(JUMP_ADDR_2_SUPPORT_ID, NULL);
_currentActions.top().setSupportData(newEntry);
break;
default:
error("Hotspot::npcJumpAddress - invalid method index %d", procIndex);
break;
}
}
/*------------------------------------------------------------------------*/
uint16 Hotspot::getTalkId(HotspotData *charHotspot) {
Resources &res = Resources::getReference();
uint16 talkIndex;
// Get offset of talk set to use
TalkHeaderData *headerEntry = res.getTalkHeader(charHotspot->hotspotId);
// Calculate talk index to use
if (charHotspot->nameId == STRANGER_ID)
talkIndex = 0;
else
talkIndex = res.fieldList().getField(TALK_INDEX) + 1;
return headerEntry->getEntry(talkIndex);
}
void Hotspot::startTalk(HotspotData *charHotspot, uint16 id) {
Resources &res = Resources::getReference();
// Set for providing talk listing
setTickProc(TALK_TICK_PROC_ID);
// Signal the character that they're being talked to
charHotspot->useHotspotId = _hotspotId;
setUseHotspotId(charHotspot->hotspotId);
// Set the active talk data
res.setTalkStartEntry(0);
res.setTalkData(id);
if (!res.getTalkData())
error("Talk failed - invalid offset: Character=%xh, offset=%xh",
charHotspot->hotspotId, id);
}
void Hotspot::saveToStream(Common::WriteStream *stream) {
_currentActions.saveToStream(stream);
_pathFinder.saveToStream(stream);
stream->writeUint16LE(_roomNumber);
stream->writeSint16LE(_startX);
stream->writeSint16LE(_startY);
stream->writeSint16LE(_destX);
stream->writeSint16LE(_destY);
stream->writeUint16LE(_frameWidth);
stream->writeUint16LE(_height);
stream->writeUint16LE(_width);
stream->writeUint16LE(_heightCopy);
stream->writeUint16LE(_widthCopy);
stream->writeUint16LE(_yCorrection);
stream->writeUint16LE(_talkX);
stream->writeUint16LE(_talkY);
stream->writeByte(_layer);
stream->writeUint16LE(_sequenceOffset);
stream->writeUint16LE(_tickCtr);
stream->writeUint32LE(_actions);
stream->writeByte(_colourOffset);
stream->writeUint16LE(_animId);
stream->writeUint16LE(_frameNumber);
stream->writeUint16LE(_frameCtr);
stream->writeByte(_skipFlag);
stream->writeUint16LE(_charRectY);
stream->writeUint16LE(_voiceCtr);
stream->writeUint16LE(_blockedOffset);
stream->writeUint16LE(_exitCtr);
stream->writeByte(_walkFlag);
stream->writeUint16LE(_startRoomNumber);
}
void Hotspot::loadFromStream(Common::ReadStream *stream) {
_currentActions.loadFromStream(stream);
_pathFinder.loadFromStream(stream);
_roomNumber = stream->readUint16LE();
_startX = stream->readSint16LE();
_startY = stream->readSint16LE();
_destX = stream->readSint16LE();
_destY = stream->readSint16LE();
_frameWidth = stream->readUint16LE();
_height = stream->readUint16LE();
_width = stream->readUint16LE();
_heightCopy = stream->readUint16LE();
_widthCopy = stream->readUint16LE();
_yCorrection = stream->readUint16LE();
_talkX = stream->readUint16LE();
_talkY = stream->readUint16LE();
_layer = stream->readByte();
_sequenceOffset = stream->readUint16LE();
_tickCtr = stream->readUint16LE();
_actions = stream->readUint32LE();
_colourOffset = stream->readByte();
setAnimation(stream->readUint16LE());
setFrameNumber(stream->readUint16LE());
_frameCtr = stream->readUint16LE();
_skipFlag = stream->readByte() != 0;
_charRectY = stream->readUint16LE();
_voiceCtr = stream->readUint16LE();
_blockedOffset = stream->readUint16LE();
_exitCtr = stream->readUint16LE();
_walkFlag = stream->readByte() != 0;
_startRoomNumber = stream->readUint16LE();
}
/*------------------------------------------------------------------------*/
HandlerMethodPtr HotspotTickHandlers::getHandler(uint16 procOffset) {
switch (procOffset) {
case 0x4F82:
return standardCharacterAnimHandler;
case VOICE_TICK_PROC_ID:
return voiceBubbleAnimHandler;
case PUZZLED_TICK_PROC_ID:
return puzzledAnimHandler;
case 0x7F3A:
return standardAnimHandler;
case 0x7207:
return roomExitAnimHandler;
case PLAYER_TICK_PROC_ID:
return playerAnimHandler;
case 0x7C14:
return followerAnimHandler;
case 0x7EFA:
return skorlAnimHandler;
case 0x7F69:
return droppingTorchAnimHandler;
case 0x7FA1:
return playerSewerExitAnimHandler;
case 0x8009:
return fireAnimHandler;
case 0x81B3:
return prisonerAnimHandler;
case 0x8241:
return headAnimHandler;
case 0x882A:
return rackSerfAnimHandler;
case TALK_TICK_PROC_ID:
return talkAnimHandler;
default:
return defaultHandler;
}
}
void HotspotTickHandlers::defaultHandler(Hotspot &h) {
// No handling done
}
void HotspotTickHandlers::standardAnimHandler(Hotspot &h) {
if (h.tickCtr() > 0)
h.setTickCtr(h.tickCtr() - 1);
else
h.executeScript();
}
void HotspotTickHandlers::standardCharacterAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
RoomPathsData &paths = Resources::getReference().getRoom(h.roomNumber())->paths;
PathFinder &pathFinder = h.pathFinder();
CurrentActionStack &actions = h.currentActions();
uint16 impingingList[MAX_NUM_IMPINGING];
int numImpinging;
bool bumpedPlayer;
if (h.currentActions().action() != WALKING) {
char buffer[MAX_DESC_SIZE];
h.currentActions().list(buffer);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character p=(%d,%d,%d) bs=%d\n%s",
h.x(), h.y(), h.roomNumber(), h.blockedState(), buffer);
}
// Handle any active talk dialog
h.handleTalkDialog();
// Handle any active hotspot the character is using (for example, if the player is
// talking to a character, this stops them from moving for the duration)
if (h.useHotspotId() != 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Use Hotspot Id = %xh, v2b = %d",
h.useHotspotId(), h.v2b());
if (h.v2b() == 0x2A) {
fields.setField(ACTIVE_HOTSPOT_ID, h.v2b());
fields.setField(USE_HOTSPOT_ID, h.useHotspotId());
Script::execute(h.script());
h.setUseHotspotId(0);
} else {
h.updateMovement();
return;
}
}
// If a frame countdown is in progress, then decrement and exit
if (h.frameCtr() > 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Frame ctr = %d", h.frameCtr());
h.decrFrameCtr();
return;
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 2");
numImpinging = Support::findIntersectingCharacters(h, impingingList);
bumpedPlayer = (numImpinging == 0) ? false :
Support::isCharacterInList(impingingList, numImpinging, PLAYER_ID);
// Check for character having just changed room
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 3");
if (h.skipFlag()) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Skip flag was set");
if (numImpinging > 0) {
// Scan to check if the character has bumped into player
Hotspot *player = res.getActiveHotspot(PLAYER_ID);
if (bumpedPlayer && (player->characterMode() == CHARMODE_IDLE)) {
// Signal the player to move out of the way automatically
player->setBlockedState(BS_INITIAL);
player->setDestHotspot(0);
player->setRandomDest();
Room::getReference().setCursorState(CS_BUMPED);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Player bumped code starting");
} else {
// Signal the character to pause briefly to allow bumped
// character time to start moving out of the way
h.setDelayCtr(10);
h.setCharacterMode(CHARMODE_PAUSED);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Pausing after bumping into character");
}
return;
}
h.setSkipFlag(false);
}
// TODO: Handling of any set Tick Script Offset, as well as certain other
// as of yet unknown hotspot flags
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 4");
if (h.pauseCtr() != 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "pause ctr = %d", h.pauseCtr());
h.updateMovement();
h.pathFinder().clear();
if (h.pauseCtr() > 1) {
res.pausedList().scan(h);
return;
} else {
h.setPauseCtr(0);
if (h.characterMode() == CHARMODE_NONE) {
h.pathFinder().clear();
return;
}
}
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 5");
if (h.characterMode() != CHARMODE_NONE) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "char mode = %d, delay ctr = %d",
h.characterMode(), h.delayCtr());
if (h.characterMode() == CHARMODE_6) {
// TODO: Figure out what mode 6 is
h.updateMovement();
if (bumpedPlayer) return;
} else {
// All other character modes
if (h.delayCtr() > 0) {
// There is some countdown left to do
bool decrementFlag = true;
if (!decrementFlag) {
HotspotData *hotspot = res.getHotspot(0); // TODO: HS[50h]
decrementFlag = (hotspot->roomNumber != h.roomNumber()) ? false :
Support::charactersIntersecting(hotspot, h.resource());
}
if (decrementFlag) {
h.setDelayCtr(h.delayCtr() - 1);
return;
}
}
}
h.resource()->actionHotspotId = 0;
CharacterMode currentMode = h.characterMode();
h.setCharacterMode(CHARMODE_NONE);
h.pathFinder().clear();
if ((currentMode == CHARMODE_4) || (currentMode == CHARMODE_7)) {
// TODO: HS[33h]=0
h.showMessage(1);
}
return;
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 6");
CurrentAction action = actions.action();
switch (action) {
case NO_ACTION:
h.setCharacterMode(CHARMODE_IDLE);
break;
case DISPATCH_ACTION:
// Dispatch an action
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character dispatch action");
if (actions.top().roomNumber() == 0)
actions.top().setRoomNumber(h.roomNumber());
if (actions.top().roomNumber() == h.roomNumber()) {
// NPC in correct room for action
h.setSkipFlag(false);
h.doAction();
} else {
// NPC in wrong room for action
npcRoomChange(h);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character change room request");
}
break;
case EXEC_HOTSPOT_SCRIPT:
// A hotspot script is in progress for the player, so don't interrupt
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character exec hotspot script");
if (h.executeScript()) {
// Script is finished
actions.top().setAction(DISPATCH_ACTION);
}
break;
case START_WALKING:
// Start the player walking to the given destination
debugC(ERROR_DETAILED, kLureDebugAnimations,
"Hotspot standard character exec start walking => (%d,%d)",
h.destX(), h.destY());
h.setOccupied(false);
pathFinder.reset(paths);
h.currentActions().top().setAction(PROCESSING_PATH);
// Deliberate fall through to processing walking path
case PROCESSING_PATH:
// Handle processing pathfinding
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character processing path");
res.pausedList().scan(h);
if (!pathFinder.process()) break;
debugC(ERROR_DETAILED, kLureDebugAnimations,
"pathFinder done: result = %d", pathFinder.result());
// Post-processing checks
if ((pathFinder.result() == PF_OK) ||
((h.destHotspotId() == 0) && (pathFinder.result() == PF_DEST_OCCUPIED))) {
// Standard processing
debugC(ERROR_DETAILED, kLureDebugAnimations, "Standard result handling");
h.setBlockedState(BS_NONE);
if (h.pathFinder().isEmpty()) {
// No path was defined
h.currentActions().top().setAction(DISPATCH_ACTION);
return;
}
h.currentActions().top().setAction(WALKING);
h.setPosition(h.x(), h.y() & 0xfff8);
} else if (h.blockedState() == BS_FINAL) {
// If this point is reached, the character twice hasn't found a walking path
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character is hopelessly blocked");
res.pausedList().reset(h.hotspotId());
h.updateMovement();
assert(!h.currentActions().isEmpty());
h.currentActions().pop();
h.setBlockedFlag(false);
h.setBlockedState(BS_NONE);
h.setCharacterMode(CHARMODE_PAUSED);
h.setDelayCtr(2);
if (h.currentActions().isEmpty() ||
(h.currentActions().top().roomNumber() != h.roomNumber()))
h.setDestHotspot(0xffff);
if (bumpedPlayer)
h.setCharacterMode(CHARMODE_6);
} else {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character is blocked from moving");
CharacterScheduleEntry *newEntry = res.charSchedules().getEntry(RETURN_SUPPORT_ID);
assert(newEntry);
// Increment the blocked state
h.setBlockedState((BlockedState) ((int) h.blockedState() + 1));
if (!h.blockedFlag())
{
// Not already handling blocked, so add a new dummy action so that the new
// action set below will not replace the existing one
h.currentActions().addFront(DISPATCH_ACTION, 0);
h.setBlockedFlag(true);
}
// Set the current action
CurrentActionEntry &entry = h.currentActions().top();
entry.setAction(DISPATCH_ACTION);
entry.setSupportData(newEntry);
entry.setRoomNumber(h.roomNumber());
}
// If the top action is now walking, deliberately fall through to the case entry;
// otherwise break out to exit method
if (h.currentActions().isEmpty() || h.currentActions().top().action() != WALKING)
break;
case WALKING:
// The character is currently moving
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character walking");
h.setOccupied(false);
// If the character is walking to an exit hotspot, make sure it's still open
if ((h.destHotspotId() != 0) && (h.destHotspotId() != 0xffff)) {
// Player is walking to a room exit hotspot
RoomExitJoinData *joinRec = res.getExitJoin(h.destHotspotId());
if (joinRec->blocked) {
// Exit now blocked, so stop walking
actions.top().setAction(DISPATCH_ACTION);
h.setOccupied(true);
break;
}
}
if (res.pausedList().check(h.hotspotId(), numImpinging, impingingList) == 0) {
if (h.walkingStep())
// Walking done
h.currentActions().top().setAction(DISPATCH_ACTION);
if (h.destHotspotId() != 0) {
// Walking to an exit, check for any required room change
Support::checkRoomChange(h);
}
}
h.setOccupied(true);
break;
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot standard character point 7");
}
void HotspotTickHandlers::voiceBubbleAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
debugC(ERROR_DETAILED, kLureDebugAnimations,
"Voice Bubble anim handler: char = %xh, ctr = %d, char speaking ctr = %d",
h.hotspotId(), h.voiceCtr(),
res.getActiveHotspot(res.getTalkingCharacter())->resource()->talkCountdown);
if (h.voiceCtr() != 0)
h.setVoiceCtr(h.voiceCtr() - 1);
if (h.voiceCtr() != 0) {
// Countdown not yet ended
Hotspot *charHotspot = res.getActiveHotspot(res.getTalkingCharacter());
if (charHotspot->roomNumber() == h.roomNumber()) {
// Character is still in the same room as when it began speaking
if (charHotspot->resource()->talkCountdown != 0) {
// Character still talking
if (!res.checkHotspotExtent(charHotspot->resource())) {
// Set voice bubble off screen to hide it
h.setPosition(h.x(), -100);
} else {
// Keep voice bubble in track with character
h.setPosition(charHotspot->x() + charHotspot->talkX() + 12,
charHotspot->y() + charHotspot->talkY() - 18);
}
return;
}
}
}
// End of voice time, so unload
res.deactivateHotspot(&h);
return;
}
void HotspotTickHandlers::puzzledAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
HotspotData *charHotspot = res.getHotspot(h.destHotspotId());
assert(charHotspot);
h.setVoiceCtr(h.voiceCtr() - 1);
if ((charHotspot->roomNumber != h.roomNumber()) || (h.voiceCtr() == 0) ||
!res.checkHotspotExtent(charHotspot)) {
// Remove the animation
res.deactivateHotspot(&h);
return;
}
h.setPosition(charHotspot->startX + charHotspot->talkX + 12,
charHotspot->startY + charHotspot->talkY - 20);
}
void HotspotTickHandlers::roomExitAnimHandler(Hotspot &h) {
RoomExitJoinData *rec = Resources::getReference().getExitJoin(h.hotspotId());
if (!rec) return;
byte *currentFrame, *destFrame;
if (rec->hotspot1Id == h.hotspotId()) {
currentFrame = &rec->h1CurrentFrame;
destFrame = &rec->h1DestFrame;
} else {
currentFrame = &rec->h2CurrentFrame;
destFrame = &rec->h2DestFrame;
}
if ((rec->blocked != 0) && (*currentFrame != *destFrame)) {
// Closing the door
h.setOccupied(true);
++*currentFrame;
if (*currentFrame == *destFrame) {
// TODO: play closed door sound
}
} else if ((rec->blocked == 0) && (*currentFrame != 0)) {
// Opening the door
h.setOccupied(false);
--*currentFrame;
if (*currentFrame == *destFrame) {
//TODO: Check against script val 88 and play sound
}
}
h.setFrameNumber(*currentFrame);
}
void HotspotTickHandlers::playerAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
Room &room = Room::getReference();
Mouse &mouse = Mouse::getReference();
RoomPathsData &paths = Resources::getReference().getRoom(h.roomNumber())->paths;
PathFinder &pathFinder = h.pathFinder();
CurrentActionStack &actions = h.currentActions();
ValueTableData &fields = res.fieldList();
uint16 impingingList[MAX_NUM_IMPINGING];
int numImpinging;
Action hsAction;
uint16 hotspotId;
HotspotData *hotspot;
char buffer[MAX_DESC_SIZE];
h.currentActions().list(buffer);
debugC(ERROR_DETAILED, kLureDebugAnimations,
"Hotspot player anim handler p=(%d,%d,%d) bs=%d\n%s",
h.x(), h.y(), h.roomNumber(), h.blockedState(), buffer);
h.handleTalkDialog();
// If a frame countdown is in progress, then decrement and exit
if (h.frameCtr() > 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Frame countdown = %d", h.frameCtr());
h.decrFrameCtr();
return;
}
numImpinging = Support::findIntersectingCharacters(h, impingingList);
if (h.skipFlag()) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Skip flag set: numImpinging = %d", numImpinging);
if (numImpinging > 0)
return;
h.setSkipFlag(false);
}
// TODO: HS[58h] check
if (h.pauseCtr() > 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Pause countdown = %d", h.pauseCtr());
h.updateMovement();
h.pathFinder().clear();
if (h.pauseCtr() == 1) {
h.setPauseCtr(0);
if (h.characterMode() == 0) {
h.setOccupied(false);
return;
}
} else {
res.pausedList().scan(h);
return;
}
}
if ((h.characterMode() != CHARMODE_NONE) && (h.characterMode() != CHARMODE_IDLE)) {
if (h.delayCtr() != 0) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Delay countdown = %d", h.delayCtr());
h.updateMovement();
h.pathFinder().clear();
h.setDelayCtr(h.delayCtr() - 1);
return;
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character mode = %d", h.characterMode());
h.setOccupied(false);
h.setCharacterMode(CHARMODE_NONE);
if (fields.playerPendingPos().isSet) {
// Start walking to the previously set destination
fields.playerPendingPos().isSet = false;
h.setDestPosition(fields.playerPendingPos().pos.x, fields.playerPendingPos().pos.y);
h.currentActions().addFront(START_WALKING, h.roomNumber());
h.setWalkFlag(false);
}
return;
}
CurrentAction action = actions.action();
switch (action) {
case NO_ACTION:
// Make sure there is no longer any destination
h.setDestHotspot(0);
h.updateMovement2(CHARMODE_IDLE);
strcpy(room.statusLine(), "");
break;
case DISPATCH_ACTION:
// Dispatch an action
h.setDestHotspot(0);
hotspot = NULL;
if (actions.top().hasSupportData()) {
hsAction = actions.top().supportData().action();
if (actions.top().supportData().numParams() > 0) {
hotspotId = actions.top().supportData().param(0);
hotspot = res.getHotspot(hotspotId);
}
} else {
hsAction = NONE;
}
h.doAction(hsAction, hotspot);
break;
case EXEC_HOTSPOT_SCRIPT:
// A hotspot script is in progress for the player, so don't interrupt
if (h.executeScript()) {
// Script is finished, so pop of the execution action
actions.pop();
}
break;
case START_WALKING:
// Start the player walking to the given destination
h.setOccupied(false);
// Reset the path finder / walking sequence
pathFinder.reset(paths);
// Set current action to processing walking path
actions.pop();
h.currentActions().addFront(PROCESSING_PATH, h.roomNumber());
// Deliberate fall through to processing walking path
case PROCESSING_PATH:
h.setCharacterMode(CHARMODE_NONE);
res.pausedList().scan(h);
if (!pathFinder.process()) break;
// Pathfinding is now complete
pathFinder.list(buffer);
debugC(ERROR_DETAILED, kLureDebugAnimations,
"Pathfind processing done; result=%d, walkFlag=%d\n%s",
pathFinder.result(), h.walkFlag(), buffer);
if ((pathFinder.result() != PF_OK) &&
(h.walkFlag() || (pathFinder.result() != PF_DEST_OCCUPIED))) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Blocked state checking");
if (h.blockedState() == BS_FINAL) {
res.pausedList().reset(h.hotspotId());
h.setBlockedState(BS_NONE);
h.currentActions().pop();
h.setCharacterMode(CHARMODE_6);
h.setDelayCtr(7);
return;
} else if (h.blockedState() != BS_NONE) {
fields.playerPendingPos().pos.x = h.destX();
fields.playerPendingPos().pos.y = h.destY();
fields.playerPendingPos().isSet = true;
h.setBlockedState((BlockedState) ((int) h.blockedState() + 1));
h.setRandomDest();
return;
}
}
h.setCharacterMode(CHARMODE_NONE);
h.setPosition(h.x(), h.y() & 0xFFF8);
if (pathFinder.isEmpty()) {
mouse.setCursorNum(CURSOR_ARROW);
break;
}
h.currentActions().top().setAction(WALKING);
if (mouse.getCursorNum() != CURSOR_CAMERA)
mouse.setCursorNum(CURSOR_ARROW);
// Deliberate fall through to walking
case WALKING:
// The character is currently moving
h.setOccupied(false);
if ((h.destHotspotId() != 0) && (h.destHotspotId() != 0xffff)) {
// Player is walking to a room exit hotspot
RoomExitJoinData *joinRec = res.getExitJoin(h.destHotspotId());
if (joinRec->blocked) {
// Exit now blocked, so stop walking
actions.pop();
h.setOccupied(true);
break;
}
}
if (res.pausedList().check(PLAYER_ID, numImpinging, impingingList) == 0) {
if (h.walkingStep()) {
// Walking done
if (room.cursorState() == CS_BUMPED)
room.setCursorState(CS_NONE);
if (fields.playerPendingPos().isSet) {
h.setCharacterMode(CHARMODE_6);
h.setDelayCtr(IDLE_COUNTDOWN_SIZE);
return;
}
h.currentActions().top().setAction(DISPATCH_ACTION);
}
// Check for whether need to change room
if (Support::checkRoomChange(h))
// Player changinge room - break now to avoid resetting occupied status
break;
}
h.setOccupied(true);
break;
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Hotspot player anim handler end");
}
struct RoomTranslationRecord {
uint8 srcRoom;
uint8 destRoom;
};
RoomTranslationRecord roomTranslations[] = {
{0x1E, 0x13}, {0x07, 0x08}, {0x1C, 0x12}, {0x26, 0x0F},
{0x27, 0x0F}, {0x28, 0x0F}, {0x29, 0x0F}, {0x22, 0x0A},
{0x23, 0x13}, {0x24, 0x14}, {0x31, 0x2C}, {0x2F, 0x2C},
{0, 0}};
void HotspotTickHandlers::followerAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
Hotspot *player = res.getActiveHotspot(PLAYER_ID);
if ((fields.getField(37) == 0) && h.currentActions().isEmpty()) {
if (h.roomNumber() == player->roomNumber()) {
// In same room as player - set a random destination
h.setRandomDest();
} else {
// Character in different room than player
if (h.hotspotId() == GOEWIN_ID)
h.currentActions().addFront(DISPATCH_ACTION, player->roomNumber());
else {
// Scan through the translation list for an alternate destination room
RoomTranslationRecord *p = &roomTranslations[0];
while ((p->srcRoom != 0) && (p->srcRoom != player->roomNumber()))
++p;
h.currentActions().addFront(DISPATCH_ACTION,
(p->srcRoom != 0) ? p->destRoom : player->roomNumber());
}
}
}
if (h.characterMode() == CHARMODE_IDLE) {
// TODO: Checks on ds:[4f8ah] to figure out
standardCharacterAnimHandler(h);
return;
}
standardCharacterAnimHandler(h);
}
void HotspotTickHandlers::skorlAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
ValueTableData &fields = res.fieldList();
HotspotData *player = res.getHotspot(PLAYER_ID);
if ((fields.getField(11) != 0) && !h.skipFlag() &&
(h.roomNumber() == player->roomNumber)) {
// TODO: Need extra check on data_669
if (Support::charactersIntersecting(h.resource(), player)) {
// Skorl has caught the player
Game::getReference().setState(GS_RESTORE_RESTART | GS_CAUGHT);
}
}
standardCharacterAnimHandler(h);
}
void HotspotTickHandlers::droppingTorchAnimHandler(Hotspot &h) {
if (h.frameCtr() > 0)
h.setFrameCtr(h.frameCtr() - 1);
else {
bool result = h.executeScript();
if (result) {
// Changeover to the fire on the straw
Resources &res = Resources::getReference();
res.deactivateHotspot(h.hotspotId());
res.activateHotspot(0x41C);
// Enable the fire and activate its animation
HotspotData *fire = res.getHotspot(0x418);
fire->flags |= 0x80;
fire->loadOffset = 0x7172;
res.activateHotspot(0x418);
}
}
}
void HotspotTickHandlers::playerSewerExitAnimHandler(Hotspot &h) {
if (h.frameCtr() > 0)
{
h.decrFrameCtr();
}
else if (h.executeScript())
{
Resources &res = Resources::getReference();
// Deactive the dropping animation
h.setLayer(0);
res.deactivateHotspot(h.hotspotId());
// Position the player
Hotspot *playerHotspot = res.getActiveHotspot(PLAYER_ID);
playerHotspot->setPosition(FULL_SCREEN_WIDTH / 2, (FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE) / 2);
playerHotspot->setDirection(DOWN);
playerHotspot->setCharacterMode(CHARMODE_NONE);
// Setup Ratpouch
Hotspot *ratpouchHotspot = res.getActiveHotspot(RATPOUCH_ID);
ratpouchHotspot->setCharacterMode(CHARMODE_NONE);
ratpouchHotspot->setDelayCtr(0);
ratpouchHotspot->setActions(0x821C00);
}
}
void HotspotTickHandlers::fireAnimHandler(Hotspot &h) {
standardAnimHandler(h);
h.setOccupied(true);
}
void HotspotTickHandlers::prisonerAnimHandler(Hotspot &h) {
ValueTableData &fields = Resources::getReference().fieldList();
Common::RandomSource rnd;
h.handleTalkDialog();
if (h.frameCtr() > 0) {
h.setFrameCtr(h.frameCtr() - 1);
return;
}
if (h.actionCtr() != 0) {
if (h.executeScript() == 0) {
h.setActionCtr(0);
h.setScript(0x3E0);
}
return;
}
if ((fields.getField(PRISONER_DEAD) == 0) && (rnd.getRandomNumber(65536) >= 6)) {
h.setActionCtr(1);
h.setScript(0x3F6);
}
}
// Special variables used across multiple calls to talkAnimHandler
static TalkEntryData *_talkResponse;
static uint16 talkDestCharacter;
void HotspotTickHandlers::talkAnimHandler(Hotspot &h) {
// Talk handler
Resources &res = Resources::getReference();
StringData &strings = StringData::getReference();
Screen &screen = Screen::getReference();
Mouse &mouse = Mouse::getReference();
TalkSelections &talkSelections = res.getTalkSelections();
TalkData *data = res.getTalkData();
TalkEntryList &entries = data->entries;
Hotspot *charHotspot;
char buffer[MAX_DESC_SIZE];
Rect r;
int lineNum, numLines;
int selectedLine, responseNumber;
bool showSelections, keepTalkingFlag;
TalkEntryList::iterator i;
TalkEntryData *entry;
uint16 result, descId;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Player talk anim handler state = %d", res.getTalkState());
switch (res.getTalkState()) {
case TALK_NONE:
talkDestCharacter = h.useHotspotId();
h.setUseHotspotId(0);
assert(talkDestCharacter != 0);
// Fall through to TALK_START
case TALK_START:
// Handle initial setup of talking options
// Reset talk entry pointer list
for (lineNum = 0; lineNum < MAX_TALK_SELECTIONS; ++lineNum)
talkSelections[lineNum] = NULL;
// Loop through list to find entries to display
_talkResponse = NULL;
numLines = 0;
showSelections = false;
i = entries.begin();
for (lineNum = 0; lineNum < res.getTalkStartEntry(); ++lineNum)
if (i != entries.end()) ++i;
for (; i != entries.end(); ++i) {
entry = *i;
uint8 flags = (uint8) (entry->descId >> 14);
if (flags == 3)
// Skip the entry
continue;
uint16 sequenceOffset = entry->preSequenceId & 0x3fff;
bool showLine = sequenceOffset == 0;
if (!showLine) {
debugC(ERROR_DETAILED, kLureDebugAnimations,
"Checking whether to display line: script=%xh, descId=%d",
sequenceOffset, entry->descId);
showLine = Script::execute(sequenceOffset) != 0;
}
if (showLine) {
talkSelections[numLines++] = entry;
showSelections |= (entry->descId & 0x3fff) != TALK_MAGIC_ID;
}
if ((entry->preSequenceId & 0x8000) != 0) break;
}
if (showSelections && (numLines > 1))
res.setTalkState(TALK_SELECT);
else {
res.setTalkState(TALK_RESPOND);
res.setTalkSelection(1);
}
break;
case TALK_SELECT:
r.left = 0; r.right = FULL_SCREEN_WIDTH - 1;
selectedLine = mouse.y() / MENUBAR_Y_SIZE;
if ((selectedLine > MAX_TALK_SELECTIONS) || ((selectedLine != 0) &&
!talkSelections[selectedLine-1]))
selectedLine = 0;
for (lineNum = 0; lineNum < MAX_TALK_SELECTIONS; ++lineNum) {
if (!talkSelections[lineNum]) break;
entry = talkSelections[lineNum];
strings.getString(entry->descId & 0x3fff, buffer);
// Clear line
r.top = (lineNum + 1) * MENUBAR_Y_SIZE;
r.bottom = r.top + MENUBAR_Y_SIZE - 1;
screen.screen().fillRect(r, 0);
// Display line
byte colour = (lineNum+1 == selectedLine) ?
DIALOG_WHITE_COLOUR : DIALOG_TEXT_COLOUR;
screen.screen().writeString(r.left, r.top, buffer, false, colour);
}
if ((!mouse.lButton() && !mouse.rButton()) || (selectedLine == 0))
break;
// Set the talk response index to use
res.setTalkSelection(selectedLine);
res.setTalkState(TALK_RESPOND);
break;
case TALK_RESPOND:
// Handle initial response to show the question in a talk dialog if needed
// Get the original question for display
selectedLine = res.getTalkSelection();
entry = talkSelections[selectedLine-1];
descId = entry->descId & 0x3fff;
entry->descId |= 0x4000;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Talk line set: line=#%d, desc=%xh",
selectedLine, descId);
// Get the response the destination character will say
if (descId != TALK_MAGIC_ID)
// Set up to display the question and response in talk dialogs
h.converse(talkDestCharacter, descId, false);
res.setTalkState(TALK_RESPOND_2);
break;
case TALK_RESPOND_2:
// Wait until the question dialog is no longer active
h.handleTalkDialog();
debugC(ERROR_DETAILED, kLureDebugAnimations, "Player talk dialog countdown %d",
h.resource()->talkCountdown);
if (res.getTalkingCharacter() != 0)
return;
selectedLine = res.getTalkSelection();
entry = talkSelections[selectedLine-1];
responseNumber = entry->postSequenceId;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Post sequence Id = %xh", responseNumber);
if ((responseNumber & 0x8000) != 0) {
responseNumber = Script::execute(responseNumber & 0x7fff);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Post sequence Id = %xh", responseNumber);
}
do {
_talkResponse = res.getTalkData()->getResponse(responseNumber);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character response pre id = %xh",
_talkResponse->preSequenceId);
if (!_talkResponse->preSequenceId) break;
responseNumber = Script::execute(_talkResponse->preSequenceId);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character response new response = %d",
responseNumber);
} while (responseNumber != TALK_RESPONSE_MAGIC_ID);
descId = _talkResponse->descId;
if ((descId & 0x8000) != 0)
descId = Script::execute(descId & 0x7fff);
if (descId != TALK_MAGIC_ID) {
charHotspot = res.getActiveHotspot(talkDestCharacter);
if (charHotspot != NULL)
charHotspot->converse(PLAYER_ID, descId, true);
}
res.setTalkState(TALK_RESPONSE_WAIT);
break;
case TALK_RESPONSE_WAIT:
// Wait until the character's response has finished being displayed
charHotspot = res.getActiveHotspot(talkDestCharacter);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Player talk dialog countdown %d",
(charHotspot) ? charHotspot->resource()->talkCountdown : 0);
if (res.getTalkingCharacter() != 0)
return;
result = _talkResponse->postSequenceId;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Character response post id = %xh", result);
if (result == 0xffff)
keepTalkingFlag = false;
else {
if ((result & 0x8000) == 0)
keepTalkingFlag = true;
else {
result = Script::execute(result & 0x7fff);
keepTalkingFlag = result != 0xffff;
}
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Keep Talking flag = %d", keepTalkingFlag);
if (keepTalkingFlag) {
// Reset for loading the next set of talking options
res.setTalkStartEntry(result);
res.setTalkState(TALK_START);
} else {
// End the conversation
res.getActiveHotspot(PLAYER_ID)->setTickProc(PLAYER_TICK_PROC_ID);
if (charHotspot)
charHotspot->setUseHotspotId(0);
res.setTalkData(0);
res.setCurrentAction(NONE);
res.setTalkState(TALK_NONE);
}
break;
}
}
void HotspotTickHandlers::headAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
Hotspot *character = res.getActiveHotspot(PLAYER_ID);
uint16 frameNumber = 0;
if (character->y() < 79) {
// TODO:
//character = res.getActiveHotspot(RATPOUCH_ID);
frameNumber = 1;
} else {
if (character->x() < 72) frameNumber = 0;
else if (character->x() < 172) frameNumber = 1;
else frameNumber = 2;
}
h.setFrameNumber(frameNumber);
}
void HotspotTickHandlers::rackSerfAnimHandler(Hotspot &h) {
Resources &res = Resources::getReference();
// Handle any talking
h.handleTalkDialog();
if (h.frameCtr() > 0) {
h.decrFrameCtr();
return;
}
switch (h.actionCtr()) {
case 1:
h.setScript(RACK_SERF_SCRIPT_ID_1);
h.setActionCtr(2);
break;
case 2:
if (HotspotScript::execute(&h))
h.setActionCtr(0);
break;
case 3:
h.setScript(RACK_SERF_SCRIPT_ID_2);
h.setActionCtr(4);
h.setLayer(2);
case 4:
if (HotspotScript::execute(&h)) {
h.setLayer(255);
res.deactivateHotspot(h.hotspotId());
HotspotData *ratpouchData = res.getHotspot(RATPOUCH_ID);
ratpouchData->roomNumber = 4;
Hotspot *newHotspot = res.activateHotspot(RATPOUCH_ID);
newHotspot->converse(PLAYER_ID, 0x9C, true);
}
break;
default:
break;
}
}
/*-------------------------------------------------------------------------*/
// support method for the standard character tick proc routine - it gets called
// when the character is in the wrong room designated for an action, and is
// responsible for starting the character walking to the correct exit
void HotspotTickHandlers::npcRoomChange(Hotspot &h) {
Resources &res = Resources::getReference();
// Increment number of times an exit has been attempted
h.setExitCtr(h.exitCtr() + 1);
if (h.exitCtr() >= 5) {
// Failed to exit room too many times
h.setExitCtr(0);
if (h.currentActions().size() > 1) {
// Pending items on stack
if (h.startRoomNumber() != 0) {
if (h.currentActions().top().supportData().id() != RETURN_SUPPORT_ID) {
h.currentActions().top().supportData().setDetails(RETURN, 0);
}
}
h.currentActions().top().setRoomNumber(h.roomNumber());
} else if (h.blockedOffset() != 0) {
// Only current action on stack - and there is a block handler
CharacterScheduleEntry *entry = res.charSchedules().getEntry(h.blockedOffset());
h.currentActions().top().setSupportData(entry);
h.currentActions().top().setRoomNumber(h.roomNumber());
}
return;
}
// Get room exit coordinates
RoomExitCoordinateData &exitData = res.coordinateList().getEntry(
h.roomNumber()).getData(h.currentActions().top().roomNumber());
if (h.hotspotId() != RATPOUCH_ID) {
// Count up the number of characters in the room
HotspotList &list = res.activeHotspots();
HotspotList::iterator i;
int numCharacters = 0;
for (i = list.begin(); i != list.end(); ++i) {
if ((h.roomNumber() == (exitData.roomNumber & 0xff)) && (h.layer() != 0) &&
(h.hotspotId() >= PLAYER_ID) && (h.hotspotId() < FIRST_NONCHARACTER_ID))
++numCharacters;
}
if (numCharacters >= 4) {
uint16 dataId = res.getCharOffset(0);
CharacterScheduleEntry *entry = res.charSchedules().getEntry(dataId);
h.currentActions().addFront(DISPATCH_ACTION, entry, h.roomNumber());
return;
}
}
h.setDestPosition(exitData.x, exitData.y);
h.setDestHotspot(res.exitHotspots().getHotspot(h.roomNumber(), exitData.hotspotIndexId));
if (h.destHotspotId() != 0xffff) {
RoomExitJoinData *joinRec = res.getExitJoin(h.destHotspotId());
if (joinRec->blocked) {
// The room exit is blocked - so add an opening action
h.currentActions().addFront(OPEN, h.roomNumber(), h.destHotspotId(), 0);
h.setBlockedFlag(false);
return;
}
}
// No exit hotspot, or it has one that's not blocked. So start the walking
h.currentActions().top().setAction(START_WALKING);
h.setWalkFlag(true);
}
/*-------------------------------------------------------------------------*/
/* Miscellaneous classes */
/* */
/*-------------------------------------------------------------------------*/
// WalkingActionEntry class
// This method performs rounding of the number of steps depending on direciton
int WalkingActionEntry::numSteps() {
switch (_direction) {
case UP:
case DOWN:
return (_numSteps + 1) >> 1;
case LEFT:
case RIGHT:
return (_numSteps + 3) >> 2;
default:
return 0;
}
}
// PathFinder class
PathFinder::PathFinder(Hotspot *h) {
_hotspot = h;
_list.clear();
_stepCtr = 0;
}
void PathFinder::clear() {
_stepCtr = 0;
_list.clear();
_inProgress = false;
_countdownCtr = PATHFIND_COUNTDOWN;
}
void PathFinder::reset(RoomPathsData &src) {
clear();
src.decompress(_layer, _hotspot->widthCopy());
}
// Does the next stage of processing to figure out a path to take to a given
// destination. Returns true if the path finding has been completed
bool PathFinder::process() {
bool returnFlag = _inProgress;
// Check whether the pathfinding can be broken by the countdown counter
bool breakFlag = (PATHFIND_COUNTDOWN != 0);
_countdownCtr = PATHFIND_COUNTDOWN;
int v;
uint16 *pTemp;
bool scanFlag = false;
Direction currDirection = NO_DIRECTION;
Direction newDirection;
uint16 numSteps = 0, savedSteps = 0;
bool altFlag;
uint16 *pCurrent;
if (!_inProgress) {
// Following code only done during first call to method
_inProgress = true;
initVars();
_xCurrent >>= 3; _yCurrent >>= 3;
_xDestCurrent >>= 3; _yDestCurrent >>= 3;
if ((_xCurrent == _xDestCurrent) && (_yCurrent == _yDestCurrent)) {
// Very close move
if (_xDestPos > 0)
add(RIGHT, _xDestPos);
else if (_xDestPos < 0)
add(LEFT, -_xDestPos);
_inProgress = false;
goto final_step;
}
// Path finding
_destX >>= 3;
_destY >>= 3;
_pSrc = &_layer[(_yCurrent + 1) * DECODED_PATHS_WIDTH + 1 + _xCurrent];
_pDest = &_layer[(_yDestCurrent + 1) * DECODED_PATHS_WIDTH + 1 + _xDestCurrent];
// Flag starting/ending cells
*_pSrc = 1;
_destOccupied = *_pDest != 0;
_result = _destOccupied ? PF_DEST_OCCUPIED : PF_OK;
*_pDest = 0;
// Set up the current pointer, adjusting away from edges if necessary
if (_xCurrent >= _xDestCurrent) {
_xChangeInc = -1;
_xChangeStart = ROOM_PATHS_WIDTH;
} else {
_xChangeInc = 1;
_xChangeStart = 1;
}
if (_yCurrent >= _yDestCurrent) {
_yChangeInc = -1;
_yChangeStart = ROOM_PATHS_HEIGHT;
} else {
_yChangeInc = 1;
_yChangeStart = 1;
}
}
// Major loop to populate data
_cellPopulated = false;
while (1) {
// Loop through to process cells in the given area
if (!returnFlag) _yCtr = 0;
while (returnFlag || (_yCtr < ROOM_PATHS_HEIGHT)) {
if (!returnFlag) _xCtr = 0;
while (returnFlag || (_xCtr < ROOM_PATHS_WIDTH)) {
if (!returnFlag) {
processCell(&_layer[(_yChangeStart + _yCtr * _yChangeInc) * DECODED_PATHS_WIDTH +
(_xChangeStart + _xCtr * _xChangeInc)]);
if (breakFlag && (_countdownCtr <= 0)) return false;
} else {
returnFlag = false;
}
++_xCtr;
}
++_yCtr;
}
// If the destination cell has been filled in, then break out of loop
if (*_pDest != 0) break;
if (_cellPopulated) {
// At least one cell populated, so go repeat loop
_cellPopulated = false;
} else {
_result = PF_NO_PATH;
scanFlag = true;
break;
}
}
_inProgress = false;
if (scanFlag || _destOccupied) {
// Adjust the end point if necessary to stop character walking into occupied area
// Restore destination's occupied state if necessary
if (_destOccupied) {
*_pDest = 0xffff;
_destOccupied = false;
}
// Scan through lines
v = 0xff;
pTemp = _pDest;
scanLine(_destX, -1, pTemp, v);
scanLine(ROOM_PATHS_WIDTH - _destX, 1, pTemp, v);
scanLine(_destY, -DECODED_PATHS_WIDTH, pTemp, v);
scanLine(ROOM_PATHS_HEIGHT - _destY, DECODED_PATHS_WIDTH, pTemp, v);
if (pTemp == _pDest) {
_result = PF_NO_WALK;
clear();
return true;
}
_pDest = pTemp;
}
// ****DEBUG****
if (_hotspot->hotspotId() == PLAYER_ID) {
for (int ctr = 0; ctr < DECODED_PATHS_WIDTH * DECODED_PATHS_HEIGHT; ++ctr)
Room::getReference().tempLayer[ctr] = _layer[ctr];
}
// Determine the walk path by working backwards from the destination, adding in the
// walking steps in reverse order until source is reached
int stageCtr;
for (stageCtr = 0; stageCtr < 3; ++stageCtr) {
altFlag = stageCtr == 1;
pCurrent = _pDest;
numSteps = 0;
currDirection = NO_DIRECTION;
while (1) {
v = *pCurrent - 1;
if (v == 0) break;
newDirection = NO_DIRECTION;
if (!altFlag && (currDirection != LEFT) && (currDirection != RIGHT)) {
// Standard order direction checking
if (*(pCurrent - DECODED_PATHS_WIDTH) == v) newDirection = DOWN;
else if (*(pCurrent + DECODED_PATHS_WIDTH) == v) newDirection = UP;
else if (*(pCurrent + 1) == v) newDirection = LEFT;
else if (*(pCurrent - 1) == v) newDirection = RIGHT;
} else {
// Alternate order direction checking
if (*(pCurrent + 1) == v) newDirection = LEFT;
else if (*(pCurrent - 1) == v) newDirection = RIGHT;
else if (*(pCurrent - DECODED_PATHS_WIDTH) == v) newDirection = DOWN;
else if (*(pCurrent + DECODED_PATHS_WIDTH) == v) newDirection = UP;
}
if (newDirection == NO_DIRECTION)
error("Path finding process failed");
// Process for the specified direction
if (newDirection != currDirection) add(newDirection, 0);
switch (newDirection) {
case UP:
pCurrent += DECODED_PATHS_WIDTH;
break;
case DOWN:
pCurrent -= DECODED_PATHS_WIDTH;
break;
case LEFT:
++pCurrent;
break;
case RIGHT:
--pCurrent;
break;
default:
break;
}
++numSteps;
top().rawSteps() += 8;
currDirection = newDirection;
}
if (stageCtr == 0)
// Save the number of steps needed
savedSteps = numSteps;
if ((stageCtr == 1) && (numSteps <= savedSteps))
// Less steps were needed, so break out
break;
// Clear out any previously determined directions
clear();
}
// Add a final move if necessary
if (_result == PF_OK) {
if (_xDestPos < 0)
addBack(LEFT, -_xDestPos);
else if (_xDestPos > 0)
addBack(RIGHT, _xDestPos);
}
final_step:
if (_xPos < 0) add(LEFT, -_xPos);
else if (_xPos > 0) add(RIGHT, _xPos);
return true;
}
void PathFinder::list(char *buffer) {
if (buffer) {
sprintf(buffer, "Pathfinder::list\n");
buffer += strlen(buffer);
}
else {
printf("Pathfinder::list\n");
}
ManagedList<WalkingActionEntry *>::iterator i;
for (i = _list.begin(); i != _list.end(); ++i) {
WalkingActionEntry *e = *i;
if (buffer) {
sprintf(buffer, "Direction=%d, numSteps=%d\n", e->direction(), e->numSteps());
buffer += strlen(buffer);
}
else
printf("Direction=%d, numSteps=%d\n", e->direction(), e->numSteps());
}
}
void PathFinder::processCell(uint16 *p) {
// Only process cells that are still empty
if (*p == 0) {
uint16 vMax = 0xffff;
uint16 vTemp;
// Check the surrounding cells (up,down,left,right) for values
// Up
vTemp = *(p - DECODED_PATHS_WIDTH);
if ((vTemp != 0) && (vTemp < vMax)) vMax = vTemp;
// Down
vTemp = *(p + DECODED_PATHS_WIDTH);
if ((vTemp != 0) && (vTemp < vMax)) vMax = vTemp;
// Left
vTemp = *(p - 1);
if ((vTemp != 0) && (vTemp < vMax)) vMax = vTemp;
// Right
vTemp = *(p + 1);
if ((vTemp != 0) && (vTemp < vMax)) vMax = vTemp;
if (vMax != 0xffff) {
// A surrounding cell with a value was found
++vMax;
*p = vMax;
_cellPopulated = true;
}
_countdownCtr -= 3;
} else {
--_countdownCtr;
}
}
void PathFinder::scanLine(int numScans, int changeAmount, uint16 *&pEnd, int &v) {
uint16 *pTemp = _pDest;
for (int ctr = 1; ctr <= numScans; ++ctr) {
pTemp += changeAmount;
if ((*pTemp != 0) && (*pTemp != 0xffff)) {
if ((v < ctr) || ((v == ctr) && (*pTemp >= *pEnd))) return;
pEnd = pTemp;
v = ctr;
break;
}
}
}
void PathFinder::initVars() {
int16 xRight;
// Set up dest position, adjusting for walking off screen if necessary
_destX = _hotspot->destX();
_destY = _hotspot->destY();
if (_destX < 10) _destX -= 50;
if (_destX >= FULL_SCREEN_WIDTH-10) _destX += 50;
_xPos = 0; _yPos = 0;
_xDestPos = 0; _yDestPos = 0;
_xCurrent = _hotspot->x();
if (_xCurrent < 0) {
_xPos = _xCurrent;
_xCurrent = 0;
}
xRight = FULL_SCREEN_WIDTH - _hotspot->widthCopy() - 1;
if (_xCurrent >= xRight) {
_xPos = _xCurrent - xRight;
_xCurrent = xRight;
}
_yCurrent = (_hotspot->y() & 0xf8) + _hotspot->heightCopy() - MENUBAR_Y_SIZE - 4;
if (_yCurrent < 0) {
_yPos = _yCurrent;
_yCurrent = 0;
}
if (_yCurrent >= (FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE)) {
_yPos = _yCurrent - (FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE);
_yCurrent = FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE;
}
_xDestCurrent = _destX;
if (_xDestCurrent < 0) {
_xDestPos = _xDestCurrent;
_xDestCurrent = 0;
}
xRight = FULL_SCREEN_WIDTH - _hotspot->widthCopy();
if (_xDestCurrent >= xRight) {
_xDestPos = _xDestCurrent - xRight;
_xDestCurrent = xRight;
}
_yDestCurrent = _destY - 8;
if (_yDestCurrent < 0)
_yDestCurrent = 0;
if (_yDestCurrent >= (FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE))
_yDestCurrent = FULL_SCREEN_HEIGHT - MENUBAR_Y_SIZE - 1;
_result = PF_OK;
// Subtract an amount from the countdown counter to compensate for
// the time spent decompressing the walkable areas set for the room
_countdownCtr -= 700;
}
void PathFinder::saveToStream(Common::WriteStream *stream) {
// Note: current saving process only handles the PathFinder correctly
// if all pathfinding is done in one go (ie. multiple calls pathfinding
// isn't supported)
ManagedList<WalkingActionEntry *>::iterator i;
for (i = _list.begin(); i != _list.end(); ++i) {
WalkingActionEntry *entry = *i;
stream->writeByte(entry->direction());
stream->writeSint16LE(entry->rawSteps());
}
stream->writeByte(0xff);
stream->writeByte(_result);
stream->writeSint16LE(_stepCtr);
}
void PathFinder::loadFromStream(Common::ReadStream *stream) {
_inProgress = false;
_list.clear();
uint8 direction;
while ((direction = stream->readByte()) != 0xff) {
int steps = stream->readSint16LE();
_list.push_back(new WalkingActionEntry((Direction) direction, steps));
}
_result = (PathFinderResult)stream->readByte();
_stepCtr = stream->readSint16LE();
}
// Current action entry class methods
CurrentActionEntry::CurrentActionEntry(CurrentAction newAction, uint16 roomNum) {
_action = newAction;
_supportData = NULL;
_dynamicSupportData = false;
_roomNumber = roomNum;
}
CurrentActionEntry::CurrentActionEntry(CurrentAction newAction, CharacterScheduleEntry *data, uint16 roomNum) {
assert(data->parent() != NULL);
_action = newAction;
_supportData = data;
_dynamicSupportData = false;
_roomNumber = roomNum;
}
CurrentActionEntry::CurrentActionEntry(Action newAction, uint16 roomNum, uint16 param1, uint16 param2) {
_action = DISPATCH_ACTION;
_dynamicSupportData = true;
_supportData = new CharacterScheduleEntry();
uint16 params[2] = {param1, param2};
_supportData->setDetails2(newAction, 2, params);
_roomNumber = roomNum;
}
void CurrentActionEntry::setSupportData(uint16 entryId) {
CharacterScheduleEntry &entry = supportData();
CharacterScheduleEntry *newEntry = Resources::getReference().
charSchedules().getEntry(entryId, entry.parent());
setSupportData(newEntry);
}
void CurrentActionEntry::saveToStream(WriteStream *stream) {
debugC(ERROR_DETAILED, kLureDebugAnimations, "Saving hotspot action entry dyn=%d id=%d",
hasSupportData(), hasSupportData() ? supportData().id() : 0);
stream->writeByte((uint8) _action);
stream->writeUint16LE(_roomNumber);
stream->writeByte(hasSupportData());
if (hasSupportData()) {
// Handle the support data
stream->writeByte(_dynamicSupportData);
if (_dynamicSupportData)
{
// Write out the dynamic data
stream->writeSint16LE(supportData().numParams());
for (int index = 0; index < supportData().numParams(); ++index)
stream->writeUint16LE(supportData().param(index));
}
else
{
// Write out the Id for the static entry
stream->writeSint16LE(supportData().id());
}
}
debugC(ERROR_DETAILED, kLureDebugAnimations, "Finished saving hotspot action entry");
}
CurrentActionEntry *CurrentActionEntry::loadFromStream(ReadStream *stream) {
Resources &res = Resources::getReference();
uint8 actionNum = stream->readByte();
if (actionNum == 0xff) return NULL;
CurrentActionEntry *result;
uint16 roomNumber = stream->readUint16LE();
bool hasSupportData = stream->readByte() != 0;
if (!hasSupportData) {
// An entry that doesn't have support data
result = new CurrentActionEntry(
(CurrentAction) actionNum, roomNumber);
} else {
// Handle support data for the entry
bool dynamicData = stream->readByte() != 0;
if (dynamicData)
{
// Load action entry that has dynamic data
result = new CurrentActionEntry(
(CurrentAction) actionNum, roomNumber);
result->_supportData = new CharacterScheduleEntry();
Action action = (Action) stream->readByte();
int numParams = stream->readSint16LE();
uint16 *paramList = new uint16[numParams];
for (int index = 0; index < numParams; ++index)
paramList[index] = stream->readUint16LE();
result->_supportData->setDetails2(action, numParams, paramList);
delete paramList;
}
else
{
// Load action entry with an NPC schedule entry
uint16 entryId = stream->readUint16LE();
CharacterScheduleEntry *entry = res.charSchedules().getEntry(entryId);
result = new CurrentActionEntry((CurrentAction) actionNum, roomNumber);
result->setSupportData(entry);
}
}
return result;
}
void CurrentActionStack::list(char *buffer) {
ManagedList<CurrentActionEntry *>::iterator i;
if (buffer) {
sprintf(buffer, "CurrentActionStack::list num_actions=%d\n", size());
buffer += strlen(buffer);
}
else
printf("CurrentActionStack::list num_actions=%d\n", size());
for (i = _actions.begin(); i != _actions.end(); ++i) {
CurrentActionEntry *entry = *i;
if (buffer) {
sprintf(buffer, "style=%d room#=%d", entry->action(), entry->roomNumber());
buffer += strlen(buffer);
}
else
printf("style=%d room#=%d", entry->action(), entry->roomNumber());
if (entry->hasSupportData()) {
CharacterScheduleEntry &rec = entry->supportData();
if (buffer) {
sprintf(buffer, ", action=%d params=", rec.action());
buffer += strlen(buffer);
}
else
printf(", action=%d params=", rec.action());
if (rec.numParams() == 0)
if (buffer) {
strcat(buffer, "none");
buffer += strlen(buffer);
}
else
printf("none");
else {
for (int ctr = 0; ctr < rec.numParams(); ++ctr) {
if (ctr != 0) {
if (buffer) {
strcpy(buffer, ", ");
buffer += strlen(buffer);
}
else
printf(", ");
}
if (buffer) {
sprintf(buffer, "%d", rec.param(ctr));
buffer += strlen(buffer);
} else
printf("%d", rec.param(ctr));
}
}
}
if (buffer) {
sprintf(buffer, "\n");
buffer += strlen(buffer);
}
else
printf("\n");
}
}
void CurrentActionStack::saveToStream(WriteStream *stream) {
ManagedList<CurrentActionEntry *>::iterator i;
debugC(ERROR_DETAILED, kLureDebugAnimations, "Saving hotspot action stack");
char buffer[MAX_DESC_SIZE];
list(buffer);
debugC(ERROR_DETAILED, kLureDebugAnimations, "%s", buffer);
for (i = _actions.begin(); i != _actions.end(); ++i)
{
CurrentActionEntry *rec = *i;
rec->saveToStream(stream);
}
stream->writeByte(0xff); // End of list marker
debugC(ERROR_DETAILED, kLureDebugAnimations, "Finished saving hotspot action stack");
}
void CurrentActionStack::loadFromStream(ReadStream *stream) {
CurrentActionEntry *rec;
_actions.clear();
while ((rec = CurrentActionEntry::loadFromStream(stream)) != NULL)
_actions.push_back(rec);
}
/*-------------------------------------------------------------------------*/
/* Support methods */
/* */
/*-------------------------------------------------------------------------*/
// finds a list of character animations whose base area are impinging
// that of the specified character (ie. are bumping into them)
int Support::findIntersectingCharacters(Hotspot &h, uint16 *charList) {
int numImpinging = 0;
Resources &res = Resources::getReference();
Rect r;
uint16 hotspotY;
r.left = h.x();
r.right = h.x() + h.widthCopy();
r.top = h.y() + h.heightCopy() - h.yCorrection() - h.charRectY();
r.bottom = h.y() + h.heightCopy() + h.charRectY();
HotspotList::iterator i;
for (i = res.activeHotspots().begin(); i != res.activeHotspots().end(); ++i) {
Hotspot &hotspot = **i;
// Check for basic reasons to skip checking the animation
if ((h.hotspotId() == hotspot.hotspotId()) || (hotspot.layer() == 0) ||
(h.roomNumber() != hotspot.roomNumber()) ||
(hotspot.hotspotId() >= FIRST_NONCHARACTER_ID) ||
hotspot.skipFlag()) continue;
// TODO: See why si+ANIM_HOTSPOT_OFFSET compared aganst di+ANIM_VOICE_CTR
hotspotY = hotspot.y() + hotspot.heightCopy();
if ((hotspot.x() >= r.right) || (hotspot.x() + hotspot.widthCopy() <= r.left) ||
(hotspotY + hotspot.charRectY() <= r.top) ||
(hotspotY - hotspot.charRectY() - hotspot.yCorrection() >= r.bottom))
continue;
// Add hotspot Id to list
if (numImpinging == MAX_NUM_IMPINGING)
error("Exceeded maximum allowable number of impinging characters");
*charList++ = hotspot.hotspotId();
++numImpinging;
}
return numImpinging;
}
// Returns true if any other characters are intersecting the specified one
bool Support::checkForIntersectingCharacter(Hotspot &h) {
uint16 tempList[MAX_NUM_IMPINGING];
return findIntersectingCharacters(h, tempList) != 0;
}
// Check whether a character needs to change the room they're in
bool Support::checkRoomChange(Hotspot &h) {
int16 x = h.x() + (h.widthCopy() >> 1);
int16 y = h.y() + h.heightCopy() - (h.yCorrection() >> 1);
RoomData *roomData = Resources::getReference().getRoom(h.roomNumber());
RoomExitData *exitRec = roomData->exits.checkExits(x, y);
if (exitRec) {
// End the current walking sequence
if (exitRec->sequenceOffset != 0xffff) {
Script::execute(exitRec->sequenceOffset);
} else {
Support::characterChangeRoom(h, exitRec->roomNumber,
exitRec->x, exitRec->y, exitRec->direction);
}
}
return (exitRec != NULL);
}
void Support::characterChangeRoom(Hotspot &h, uint16 roomNumber,
int16 newX, int16 newY, Direction dir) {
Resources &res = Resources::getReference();
Room &room = Room::getReference();
ValueTableData &fields = res.fieldList();
if (h.hotspotId() == PLAYER_ID) {
// Room change code for the player
if (room.cursorState() != CS_NONE) return;
h.setDirection(dir);
PlayerNewPosition &p = fields.playerNewPos();
p.roomNumber = roomNumber;
p.position.x = newX;
p.position.y = newY - 48;
// TODO: Double-check.. is it impinging in leaving room (right now) or entering room
if (checkForIntersectingCharacter(h)) {
fields.playerPendingPos().pos.x = h.destX();
fields.playerPendingPos().pos.y = h.destY();
fields.playerPendingPos().isSet = true;
Room::getReference().setCursorState(CS_BUMPED);
h.setActionCtr(0);
h.setBlockedState((BlockedState) ((int) h.blockedState() + 1));
h.setDestHotspot(0);
h.setRandomDest();
p.roomNumber = 0;
}
} else {
// Any other character changing room
if (checkForIntersectingCharacter(h)) {
// Character is blocked, so add a handler for handling it
uint16 dataId = res.getCharOffset(0);
CharacterScheduleEntry *entry = res.charSchedules().getEntry(dataId);
h.currentActions().addFront(DISPATCH_ACTION, entry, h.roomNumber());
} else {
// Handle character room change
h.setRoomNumber(roomNumber);
h.setPosition((newX & 0xfff8) | 5, (newY - h.heightCopy()) & 0xfff8);
h.setSkipFlag(true);
h.setDirection(dir);
h.setExitCtr(0);
h.currentActions().top().setAction(DISPATCH_ACTION);
}
}
}
bool Support::charactersIntersecting(HotspotData *hotspot1, HotspotData *hotspot2) {
return !((hotspot1->startX + hotspot1->widthCopy + 4 < hotspot2->startX) ||
(hotspot2->startX + hotspot2->widthCopy + 4 < hotspot1->startX) ||
(hotspot2->startY + hotspot2->heightCopy - hotspot2->yCorrection - 2 >=
hotspot1->startY + hotspot1->heightCopy + 2) ||
(hotspot2->startY + hotspot2->heightCopy + 2 <
hotspot1->startY + hotspot1->heightCopy - hotspot1->yCorrection - 2));
}
bool Support::isCharacterInList(uint16 *lst, int numEntries, uint16 charId) {
while (numEntries-- > 0)
if (*lst++ == charId) return true;
return false;
}
void HotspotList::saveToStream(WriteStream *stream) {
HotspotList::iterator i;
for (i = begin(); i != end(); ++i)
{
Hotspot *hotspot = *i;
debugC(ERROR_INTERMEDIATE, kLureDebugAnimations, "Saving hotspot %xh", hotspot->hotspotId());
bool dynamicObject = hotspot->hotspotId() != hotspot->originalId();
stream->writeUint16LE(hotspot->originalId());
stream->writeByte(dynamicObject);
stream->writeUint16LE(hotspot->destHotspotId());
hotspot->saveToStream(stream);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Saved hotspot %xh", hotspot->hotspotId());
}
stream->writeUint16LE(0);
}
void HotspotList::loadFromStream(ReadStream *stream) {
Resources &res = Resources::getReference();
Hotspot *hotspot;
clear();
uint16 hotspotId = stream->readUint16LE();
while (hotspotId != 0)
{
debugC(ERROR_INTERMEDIATE, kLureDebugAnimations, "Loading hotspot %xh", hotspotId);
bool dynamicObject = stream->readByte() != 0;
uint16 destHotspotId = stream->readUint16LE();
if (dynamicObject) {
// Add in a dynamic object (such as a floating talk bubble)
Hotspot *destHotspot = res.getActiveHotspot(destHotspotId);
assert(destHotspot);
hotspot = new Hotspot(destHotspot, hotspotId);
res.addHotspot(hotspot);
}
else
{
hotspot = res.activateHotspot(hotspotId);
}
assert(hotspot);
hotspot->loadFromStream(stream);
debugC(ERROR_DETAILED, kLureDebugAnimations, "Loaded hotspot %xh", hotspotId);
hotspotId = stream->readUint16LE();
}
}
} // end of namespace Lure
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