/* ScummVM - Scumm Interpreter * Copyright (C) 2004-2005 The ScummVM project * * The ReInherit Engine is (C)2000-2003 by Daniel Balsom. * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Header$ * */ #include "saga/saga.h" #include "saga/gfx.h" #include "saga/console.h" #include "saga/rscfile_mod.h" #include "saga/script.h" #include "saga/sndres.h" #include "saga/sprite.h" #include "saga/font.h" #include "saga/text.h" #include "saga/sound.h" #include "saga/scene.h" #include "saga/isomap.h" #include "saga/actor.h" #include "saga/itedata.h" #include "saga/stream.h" #include "saga/interface.h" #include "saga/events.h" #include "saga/objectmap.h" #include "common/config-manager.h" namespace Saga { static int commonObjectCompare(const CommonObjectDataPointer& obj1, const CommonObjectDataPointer& obj2) { int p1 = obj1->location.y - obj1->location.z; int p2 = obj2->location.y - obj2->location.z; if (p1 == p2) { return 0; } else { if (p1 < p2) { return -1; } else { return 1; } } } static int tileCommonObjectCompare(const CommonObjectDataPointer& obj1, const CommonObjectDataPointer& obj2) { int p1 = -obj1->location.u() - obj1->location.v() - obj1->location.z; int p2 = -obj2->location.u() - obj2->location.v() - obj2->location.z; //TODO: for kObjNotFlat obj Height*3 of sprite should be adde to p1 and p2 //if (validObjId(obj1->id)) { if (p1 == p2) { return 0; } else { if (p1 < p2) { return -1; } else { return 1; } } } // Lookup table to convert 8 cardinal directions to 4 static const int actorDirectectionsLUT[8] = { ACTOR_DIRECTION_BACK, // kDirUp ACTOR_DIRECTION_RIGHT, // kDirUpRight ACTOR_DIRECTION_RIGHT, // kDirRight ACTOR_DIRECTION_RIGHT, // kDirDownRight ACTOR_DIRECTION_FORWARD,// kDirDown ACTOR_DIRECTION_LEFT, // kDirDownLeft ACTOR_DIRECTION_LEFT, // kDirLeft ACTOR_DIRECTION_LEFT, // kDirUpLeft }; static const PathDirectionData pathDirectionLUT[8][3] = { {{0, 0, -1}, {7, -1, -1}, {4, 1, -1}}, {{1, 1, 0}, {4, 1, -1}, {5, 1, 1}}, {{2, 0, 1}, {5, 1, 1}, {6, -1, 1}}, {{3, -1, 0}, {6, -1, 1}, {7, -1, -1}}, {{0, 0, -1}, {1, 1, 0}, {4, 1, -1}}, {{1, 1, 0}, {2, 0, 1}, {5, 1, 1}}, {{2, 0, 1}, {3, -1, 0}, {6, -1, 1}}, {{3, -1, 0}, {0, 0, -1}, {7, -1, -1}} }; static const int pathDirectionLUT2[8][2] = { { 0, -1}, { 1, 0}, { 0, 1}, {-1, 0}, { 1, -1}, { 1, 1}, {-1, 1}, {-1, -1} }; static const int angleLUT[16][2] = { { 0, -256}, { 98, -237}, { 181, -181}, { 237, -98}, { 256, 0}, { 237, 98}, { 181, 181}, { 98, 237}, { 0, 256}, { -98, 237}, {-181, 181}, {-237, 98}, {-256, 0}, {-237, -98}, {-181, -181}, { -98, -237} }; static const int directionLUT[8][2] = { { 0*2, -2*2}, { 2*2, -1*2}, { 3*2, 0*2}, { 2*2, 1*2}, { 0*2, 2*2}, {-2*2, 1*2}, {-4*2, 0*2}, {-2*2, -1*2} }; static const int tileDirectionLUT[8][2] = { { 1, 1}, { 2, 0}, { 1, -1}, { 0, -2}, {-1, -1}, {-2, 0}, {-1, 1}, { 0, 2} }; Actor::Actor(SagaEngine *vm) : _vm(vm) { int i; int result; byte *stringsPointer; size_t stringsLength; ActorData *actor; ObjectData *obj; debug(9, "Actor::Actor()"); _actors = NULL; _actorsCount = 0; _objs = NULL; _objsCount = 0; #ifdef ACTOR_DEBUG _debugPoints = NULL; _debugPointsAlloced = _debugPointsCount = 0; #endif _pathNodeList = _newPathNodeList = NULL; _pathList = NULL; _pathDirectionList = NULL; _pathListAlloced = _pathNodeListAlloced = _newPathNodeListAlloced = 0; _pathListIndex = _pathNodeListIndex = _newPathNodeListIndex = -1; _pathDirectionListCount = 0; _pathDirectionListAlloced = 0; _centerActor = _protagonist = NULL; _protagState = 0; _lastTickMsec = 0; _yCellCount = _vm->getSceneHeight(); _xCellCount = _vm->getDisplayWidth(); _pathCell = (int8*) malloc(_yCellCount * _xCellCount * sizeof(*_pathCell)); _pathRect.left = 0; _pathRect.right = _vm->getDisplayWidth(); _pathRect.top = _vm->getDisplayInfo().pathStartY; _pathRect.bottom = _vm->getSceneHeight(); if (_vm->getGameType() == GType_ITE) { // Get actor resource file context _actorContext = _vm->getFileContext(GAME_RESOURCEFILE, 0); if (_actorContext == NULL) { error("Actor::Actor(): Couldn't load actor module resource context."); } result = RSC_LoadResource(_actorContext, RID_ITE_ACTOR_NAMES, &stringsPointer, &stringsLength); // fixme: IHNM if ((result != SUCCESS) || (stringsLength == 0)) { error("Error loading strings list resource"); } _vm->loadStrings(_actorsStrings, stringsPointer, stringsLength); RSC_FreeResource(stringsPointer); } else { // TODO } if (_vm->getGameType() == GType_ITE) { _actorsCount = ITE_ACTORCOUNT; _actors = (ActorData **)malloc(_actorsCount * sizeof(*_actors)); for (i = 0; i < _actorsCount; i++) { actor = _actors[i] = new ActorData(); actor->id = actorIndexToId(i); actor->index = i; debug(9, "init actor id=%d index=%d", actor->id, actor->index); actor->nameIndex = ITE_ActorTable[i].nameIndex; actor->scriptEntrypointNumber = ITE_ActorTable[i].scriptEntrypointNumber; actor->spriteListResourceId = ITE_ActorTable[i].spriteListResourceId; actor->frameListResourceId = ITE_ActorTable[i].frameListResourceId; actor->speechColor = ITE_ActorTable[i].speechColor; actor->sceneNumber = ITE_ActorTable[i].sceneIndex; actor->flags = ITE_ActorTable[i].flags; actor->currentAction = ITE_ActorTable[i].currentAction; actor->facingDirection = ITE_ActorTable[i].facingDirection; actor->actionDirection = ITE_ActorTable[i].actionDirection; actor->frameNumber = 0; actor->targetObject = ID_NOTHING; actor->actorFlags = 0; actor->lastZone = NULL; actor->location.x = ITE_ActorTable[i].x; actor->location.y = ITE_ActorTable[i].y; actor->location.z = ITE_ActorTable[i].z; actor->disabled = !loadActorResources(actor); if (actor->disabled) { warning("Disabling actor Id=%d index=%d", actor->id, actor->index); } } _objsCount = ITE_OBJECTCOUNT; _objs = (ObjectData **)malloc(_objsCount * sizeof(*_objs)); for (i = 0; i < _objsCount; i++) { obj = _objs[i] = new ObjectData(); obj->id = objIndexToId(i); obj->index = i; debug(9, "init obj id=%d index=%d", obj->id, obj->index); obj->nameIndex = ITE_ObjectTable[i].nameIndex; obj->scriptEntrypointNumber = ITE_ObjectTable[i].scriptEntrypointNumber; obj->spriteListResourceId = ITE_ObjectTable[i].spriteListResourceId; obj->sceneNumber = ITE_ObjectTable[i].sceneIndex; obj->interactBits = ITE_ObjectTable[i].interactBits; obj->flags = 0; obj->location.x = ITE_ObjectTable[i].x; obj->location.y = ITE_ObjectTable[i].y; obj->location.z = ITE_ObjectTable[i].z; obj->disabled = false; } } else { // TODO. static ActorData dummyActor; dummyActor.frames = NULL; dummyActor.walkStepsPoints = NULL; _protagonist = &dummyActor; } } Actor::~Actor() { int i; ActorData *actor; ObjectData *obj; debug(9, "Actor::~Actor()"); #ifdef ACTOR_DEBUG free(_debugPoints); #endif free(_pathDirectionList); free(_pathNodeList); free(_newPathNodeList); free(_pathList); free(_pathCell); _actorsStrings.freeMem(); //release resources for (i = 0; i < _actorsCount; i++) { actor = _actors[i]; delete actor; } free(_actors); for (i = 0; i < _objsCount; i++) { obj = _objs[i]; delete obj; } free(_objs); } bool Actor::loadActorResources(ActorData *actor) { byte *resourcePointer; size_t resourceLength; int framesCount; ActorFrameSequence *framesPointer; int lastFrame; int i, orient; int resourceId; if (actor->frameListResourceId == 0) { warning("Frame List ID = 0 for actor index %d", actor->index); return true; } debug(9, "Loading frame resource id %d", actor->frameListResourceId); if (RSC_LoadResource(_actorContext, actor->frameListResourceId, &resourcePointer, &resourceLength) != SUCCESS) { warning("Couldn't load sprite action index resource"); return false; } framesCount = resourceLength / 16; debug(9, "Frame resource contains %d frames", framesCount); framesPointer = (ActorFrameSequence *)malloc(sizeof(ActorFrameSequence) * framesCount); if (framesPointer == NULL) { memoryError("Actor::loadActorResources"); } MemoryReadStreamEndian readS(resourcePointer, resourceLength, IS_BIG_ENDIAN); lastFrame = 0; for (i = 0; i < framesCount; i++) { for (orient = 0; orient < ACTOR_DIRECTIONS_COUNT; orient++) { // Load all four orientations framesPointer[i].directions[orient].frameIndex = readS.readUint16(); framesPointer[i].directions[orient].frameCount = readS.readSint16(); if (framesPointer[i].directions[orient].frameCount < 0) warning("frameCount < 0", framesPointer[i].directions[orient].frameCount); if (framesPointer[i].directions[orient].frameIndex > lastFrame) { lastFrame = framesPointer[i].directions[orient].frameIndex; } } } RSC_FreeResource(resourcePointer); actor->frames = framesPointer; actor->framesCount = framesCount; resourceId = actor->spriteListResourceId; debug(9, "Loading sprite resource id %d", resourceId); if (_vm->_sprite->loadList(resourceId, actor->spriteList) != SUCCESS) { warning("loadActorResources: Unable to load sprite list"); return false; } i = actor->spriteList.spriteCount; if ((actor->flags & kExtended)) { while ((lastFrame >= actor->spriteList.spriteCount)) { resourceId++; debug(9, "Appending to sprite list %d", resourceId); if (_vm->_sprite->loadList(resourceId, actor->spriteList) != SUCCESS) { warning("Unable append sprite list"); return false; } } } return true; } void Actor::takeExit(uint16 actorId, const HitZone *hitZone) { ActorData *actor; actor = getActor(actorId); actor->lastZone = NULL; _vm->_scene->changeScene(hitZone->getSceneNumber(), hitZone->getActorsEntrance()); _vm->_script->setNoPendingVerb(); } void Actor::stepZoneAction(ActorData *actor, const HitZone *hitZone, bool exit, bool stopped) { EVENT event; if (actor != _protagonist) { return; } if (((hitZone->getFlags() & kHitZoneTerminus) && !stopped) || (!(hitZone->getFlags() & kHitZoneTerminus) && stopped)) { return; } if (!exit) { if (hitZone->getFlags() & kHitZoneAutoWalk) { actor->currentAction = kActionWalkDir; actor->actionDirection = actor->facingDirection = hitZone->getDirection(); actor->walkFrameSequence = kFrameWalk; return; } } else { if (!(hitZone->getFlags() & kHitZoneAutoWalk)) { return; } } if (hitZone->getFlags() & kHitZoneExit) { takeExit(actor->id, hitZone); } else { if (hitZone->getScriptNumber() > 0) { event.type = ONESHOT_EVENT; event.code = SCRIPT_EVENT; event.op = EVENT_EXEC_NONBLOCKING; event.time = 0; event.param = _vm->_scene->getScriptModuleNumber(); // module number event.param2 = hitZone->getScriptNumber(); // script entry point number event.param3 = kVerbEnter; // Action event.param4 = ID_NOTHING; // Object event.param5 = ID_NOTHING; // With Object event.param6 = ID_PROTAG; // Actor _vm->_events->queue(&event); } } } void Actor::realLocation(Location &location, uint16 objectId, uint16 walkFlags) { int angle; int distance; ActorData *actor; ObjectData *obj; if (walkFlags & kWalkUseAngle) { if (_vm->_scene->getFlags() & kSceneFlagISO) { angle = (location.x + 2) & 15; distance = location.y; location.u() = (angleLUT[angle][0] * distance) >> 8; location.v() = (angleLUT[angle][1] * distance) >> 8; } else { angle = location.x & 15; distance = location.y; location.x = (angleLUT[angle][0] * distance) >> 6; location.y = (angleLUT[angle][1] * distance) >> 6; } } if (objectId != ID_NOTHING) { if (validActorId(objectId)) { actor = getActor(objectId); location.addXY(actor->location); } else { if (validObjId(objectId)) { obj = getObj(objectId); location.addXY(obj->location); } } } } void Actor::actorFaceTowardsPoint(uint16 actorId, const Location &toLocation) { ActorData *actor; Location delta; actor = getActor(actorId); toLocation.delta(actor->location, delta); if (_vm->_scene->getFlags() & kSceneFlagISO) { if (delta.u() > 0) { actor->facingDirection = (delta.v() > 0) ? kDirUp : kDirRight; } else { actor->facingDirection = (delta.v() > 0) ? kDirLeft : kDirDown; } } else { if (ABS(delta.y) > ABS(delta.x * 2)) { actor->facingDirection = (delta.y > 0) ? kDirDown : kDirUp; } else { actor->facingDirection = (delta.x > 0) ? kDirRight : kDirLeft; } } } void Actor::actorFaceTowardsObject(uint16 actorId, uint16 objectId) { ActorData *actor; ObjectData *obj; if (validActorId(objectId)) { actor = getActor(objectId); actorFaceTowardsPoint(actorId, actor->location); } else { if (validObjId(objectId)) { obj = getObj(objectId); actorFaceTowardsPoint(actorId, obj->location); } } } ObjectData *Actor::getObj(uint16 objId) { ObjectData *obj; if (!validObjId(objId)) error("Actor::getObj Wrong objId 0x%X", objId); obj = _objs[objIdToIndex(objId)]; if (obj->disabled) error("Actor::getObj disabled objId 0x%X", objId); return obj; } ActorData *Actor::getActor(uint16 actorId) { ActorData *actor; if (!validActorId(actorId)) error("Actor::getActor Wrong actorId 0x%X", actorId); if (actorId == ID_PROTAG) { if (_protagonist == NULL) { error("_protagonist == NULL"); } return _protagonist; } actor = _actors[actorIdToIndex(actorId)]; if (actor->disabled) error("Actor::getActor disabled actorId 0x%X", actorId); return actor; } bool Actor::validFollowerLocation(const Location &location) { Point point; location.toScreenPointXY(point); if ((point.x < 5) || (point.x >= _vm->getDisplayWidth() - 5) || (point.y < 0) || (point.y > _vm->getSceneHeight())) { return false; } return (_vm->_scene->canWalk(point)); } void Actor::setProtagState(int state) { debug(0, "STUB: setProtagState(%d)", state); //TODO: do it _protagState = state; } void Actor::updateActorsScene(int actorsEntrance) { int i, j; int followerDirection; ActorData *actor; Location tempLocation; Location possibleLocation; Point delta; const SceneEntry *sceneEntry; if (_vm->getGameType() == GType_IHNM) { warning("Actors aren't implemented for IHNM yet"); return; } _activeSpeech.stringsCount = 0; _protagonist = NULL; for (i = 0; i < _actorsCount; i++) { actor = _actors[i]; if (actor->flags & (kProtagonist | kFollower)) { if (actor->flags & kProtagonist) { actor->finalTarget = actor->location; _centerActor = _protagonist = actor; } else { if (_vm->_scene->currentSceneResourceId() == RID_ITE_OVERMAP_SCENE) { continue; } } actor->sceneNumber = _vm->_scene->currentSceneNumber(); } if (actor->sceneNumber == _vm->_scene->currentSceneNumber()) { actor->actionCycle = (_vm->_rnd.getRandomNumber(7) & 0x7) * 4; // 1/8th chance } } assert(_protagonist); if (actorsEntrance >= 0) { sceneEntry = _vm->_scene->_entryList.getEntry(actorsEntrance); if (_vm->_scene->getFlags() & kSceneFlagISO) { _protagonist->location = sceneEntry->location; } else { _protagonist->location.x = sceneEntry->location.x * ACTOR_LMULT; _protagonist->location.y = sceneEntry->location.y * ACTOR_LMULT; _protagonist->location.z = sceneEntry->location.z * ACTOR_LMULT; } _protagonist->facingDirection = _protagonist->actionDirection = sceneEntry->facing; } else { warning("actorsEntrance < 0"); } _protagonist->currentAction = kActionWait; if (_vm->_scene->getFlags() & kSceneFlagISO) { //nothing? } else { _vm->_scene->initDoorsState(); //TODO: move to _scene } followerDirection = _protagonist->facingDirection + 3; calcScreenPosition(_protagonist); for (i = 0; i < _actorsCount; i++) { actor = _actors[i]; if (actor->flags & (kFollower)) { actor->facingDirection = actor->actionDirection = _protagonist->facingDirection; actor->currentAction = kActionWait; actor->walkStepsCount = actor->walkStepIndex = 0; actor->location.z = _protagonist->location.z; if (_vm->_scene->getFlags() & kSceneFlagISO) { _vm->_isoMap->placeOnTileMap(_protagonist->location, actor->location, 3, followerDirection & 0x07); } else { followerDirection &= 0x07; possibleLocation = _protagonist->location; delta.x = directionLUT[followerDirection][0]; delta.y = directionLUT[followerDirection][1]; for (j = 0; j < 30; j++) { tempLocation = possibleLocation; tempLocation.x += delta.x; tempLocation.y += delta.y; if (validFollowerLocation( tempLocation)) { possibleLocation = tempLocation; } else { tempLocation = possibleLocation; tempLocation.x += delta.x; if (validFollowerLocation( tempLocation)) { possibleLocation = tempLocation; } else { tempLocation = possibleLocation; tempLocation.y += delta.y; if (validFollowerLocation( tempLocation)) { possibleLocation = tempLocation; } else { break; } } } } actor->location = possibleLocation; } followerDirection += 2; } } handleActions(0, true); if (_vm->_scene->getFlags() & kSceneFlagISO) { _vm->_isoMap->adjustScroll(true); } } ActorFrameRange *Actor::getActorFrameRange(uint16 actorId, int frameType) { ActorData *actor; int fourDirection; actor = getActor(actorId); if (actor->disabled) error("Actor::getActorFrameRange Wrong actorId 0x%X", actorId); if (frameType >= actor->framesCount) error("Actor::getActorFrameRange Wrong frameType 0x%X actorId 0x%X", frameType, actorId); if ((actor->facingDirection < kDirUp) || (actor->facingDirection > kDirUpLeft)) error("Actor::getActorFrameRange Wrong direction 0x%X actorId 0x%X", actor->facingDirection, actorId); fourDirection = actorDirectectionsLUT[actor->facingDirection]; return &actor->frames[frameType].directions[fourDirection]; } void Actor::handleSpeech(int msec) { int stringLength; int sampleLength; bool removeFirst; int i; int talkspeed; ActorData *actor; if (_activeSpeech.playing) { _activeSpeech.playingTime -= msec; stringLength = strlen(_activeSpeech.strings[0]); removeFirst = false; if (_activeSpeech.playingTime <= 0) { if (_activeSpeech.speechFlags & kSpeakSlow) { _activeSpeech.slowModeCharIndex++; if (_activeSpeech.slowModeCharIndex >= stringLength) removeFirst = true; } else { removeFirst = true; } _activeSpeech.playing = false; if (_activeSpeech.actorIds[0] != 0) { actor = getActor(_activeSpeech.actorIds[0]); if (!(_activeSpeech.speechFlags & kSpeakNoAnimate)) { actor->currentAction = kActionWait; } } } if (removeFirst) { for (i = 1; i < _activeSpeech.stringsCount; i++) { _activeSpeech.strings[i - 1] = _activeSpeech.strings[i]; } _activeSpeech.stringsCount--; } if (_vm->_script->_skipSpeeches) { _activeSpeech.stringsCount = 0; _vm->_script->wakeUpThreads(kWaitTypeSpeech); return; } if (_activeSpeech.stringsCount == 0) { _vm->_script->wakeUpThreadsDelayed(kWaitTypeSpeech, ticksToMSec(kScriptTimeTicksPerSecond / 3)); } return; } if (_vm->_script->_skipSpeeches) { _activeSpeech.stringsCount = 0; _vm->_script->wakeUpThreads(kWaitTypeSpeech); } if (_activeSpeech.stringsCount == 0) { return; } stringLength = strlen(_activeSpeech.strings[0]); talkspeed = ConfMan.getInt("talkspeed"); if (_activeSpeech.speechFlags & kSpeakSlow) { if (_activeSpeech.slowModeCharIndex >= stringLength) error("Wrong string index"); debug(0 , "Slow string!"); _activeSpeech.playingTime = 10 * talkspeed; // 10 - fix it } else { sampleLength = _vm->_sndRes->getVoiceLength(_activeSpeech.sampleResourceId); //fixme - too fast if (sampleLength < 0) { _activeSpeech.playingTime = stringLength * talkspeed; } else { _activeSpeech.playingTime = sampleLength; } } if (_activeSpeech.sampleResourceId != -1) { _vm->_sndRes->playVoice(_activeSpeech.sampleResourceId); _activeSpeech.sampleResourceId++; } if (_activeSpeech.actorIds[0] != 0) { actor = getActor(_activeSpeech.actorIds[0]); if (!(_activeSpeech.speechFlags & kSpeakNoAnimate)) { actor->currentAction = kActionSpeak; actor->actionCycle = _vm->_rnd.getRandomNumber(63); } for (i = 0; i < _activeSpeech.actorsCount; i++) { actor = getActor(_activeSpeech.actorIds[i]); _activeSpeech.speechCoords[i] = actor->screenPosition; _activeSpeech.speechCoords[i].y -= ACTOR_DIALOGUE_HEIGHT; _activeSpeech.speechCoords[i].y = MAX(_activeSpeech.speechCoords[i].y, (int16)10); } } _activeSpeech.playing = true; } void Actor::handleActions(int msec, bool setup) { int i; ActorData *actor; ActorFrameRange *frameRange; int state; int speed; Location delta; Location addDelta; int hitZoneIndex; const HitZone *hitZone; Point hitPoint; Location pickLocation; for (i = 0; i < _actorsCount; i++) { actor = _actors[i]; if (actor->disabled) continue; if (actor->sceneNumber != _vm->_scene->currentSceneNumber()) continue; //todo: dragon stuff /* if (actor->index == 2) debug(9, "Action: %d Flags: %x", actor->currentAction, actor->flags);*/ switch (actor->currentAction) { case kActionWait: if (!setup && (actor->flags & kFollower)) { followProtagonist(actor); if (actor->currentAction != kActionWait) break; } if (actor->targetObject != ID_NOTHING) { actorFaceTowardsObject(actor->id, actor->targetObject); } if (actor->flags & kCycle) { frameRange = getActorFrameRange(actor->id, kFrameStand); if (frameRange->frameCount > 0) { actor->actionCycle++; actor->actionCycle = (actor->actionCycle) % frameRange->frameCount; } else { actor->actionCycle = 0; } actor->frameNumber = frameRange->frameIndex + actor->actionCycle; break; } if ((actor->actionCycle & 3) == 0) { actor->cycleWrap(100); frameRange = getActorFrameRange(actor->id, kFrameWait); if ((frameRange->frameCount < 1 || actor->actionCycle > 33)) frameRange = getActorFrameRange(actor->id, kFrameStand); if (frameRange->frameCount) { actor->frameNumber = frameRange->frameIndex + (uint16)_vm->_rnd.getRandomNumber(frameRange->frameCount - 1); } else { actor->frameNumber = frameRange->frameIndex; } } actor->actionCycle++; break; case kActionWalkToPoint: case kActionWalkToLink: if (_vm->_scene->getFlags() & kSceneFlagISO) { actor->partialTarget.delta(actor->location, delta); while ((delta.u() == 0) && (delta.v() == 0)) { if ((actor == _protagonist) && (_vm->mouseButtonPressed())) { _vm->_isoMap->screenPointToTileCoords(_vm->mousePos(), pickLocation); if (!actorWalkTo(_protagonist->id, pickLocation)) { break; } } else { if (!_vm->_isoMap->nextTileTarget(actor)) { if (!actorEndWalk(actor->id, true)) { break; } } } actor->partialTarget.delta(actor->location, delta); actor->partialTarget.z = 0; } speed = 4; if (actor->flags & kFastest) { speed = 8; } else { if (actor->flags & kFaster) { speed = 6; } } if (_vm->_scene->currentSceneResourceId() == RID_ITE_OVERMAP_SCENE) { speed = 2; } if ((actor->actionDirection == 2) || (actor->actionDirection == 6)) { speed = speed / 2; } if (ABS(delta.v()) > ABS(delta.u())) { addDelta.v() = clamp( -speed, delta.v(), speed ); if (addDelta.v() == delta.v()) { addDelta.u() = delta.u(); } else { addDelta.u() = delta.u() * addDelta.v(); addDelta.u() += (addDelta.u() > 0) ? (delta.v() / 2) : (-delta.v() / 2); addDelta.u() /= delta.v(); } } else { addDelta.u() = clamp( -speed, delta.u(), speed ); if (addDelta.u() == delta.u()) { addDelta.v() = delta.v(); } else { addDelta.v() = delta.v() * addDelta.u(); addDelta.v() += (addDelta.v() > 0) ? (delta.u() / 2) : (-delta.u() / 2); addDelta.v() /= delta.u(); } } actor->location.add(addDelta); } else { actor->partialTarget.delta(actor->location, delta); while ((delta.x == 0) && (delta.y == 0)) { if (actor->walkStepIndex >= actor->walkStepsCount) { actorEndWalk(actor->id, true); break; } actor->partialTarget.fromScreenPoint(actor->walkStepsPoints[actor->walkStepIndex++]); if (actor->partialTarget.x > 224 * 2 * ACTOR_LMULT) { actor->partialTarget.x -= 256 * 2 * ACTOR_LMULT; } actor->partialTarget.delta(actor->location, delta); if (ABS(delta.y) > ABS(delta.x)) { actor->actionDirection = delta.y > 0 ? kDirDown : kDirUp; } else { actor->actionDirection = delta.x > 0 ? kDirRight : kDirLeft; } } speed = (ACTOR_LMULT * 2 * actor->screenScale + 63) / 256; if (speed < 1) { speed = 1; } if ((actor->actionDirection == kDirUp) || (actor->actionDirection == kDirDown)) { // move by 2's in vertical dimension addDelta.y = clamp(-speed, delta.y, speed); if (addDelta.y == delta.y) { addDelta.x = delta.x; } else { addDelta.x = delta.x * addDelta.y; addDelta.x += (addDelta.x > 0) ? (delta.y / 2) : (-delta.y / 2); addDelta.x /= delta.y; actor->facingDirection = actor->actionDirection; } } else { addDelta.x = clamp(-2 * speed, delta.x, 2 * speed); if (addDelta.x == delta.x) { addDelta.y = delta.y; } else { addDelta.y = delta.y * addDelta.x; addDelta.y += (addDelta.y > 0) ? (delta.x / 2) : (-delta.x / 2); addDelta.y /= delta.x; actor->facingDirection = actor->actionDirection; } } actor->location.add(addDelta); } if (actor->actorFlags & kActorBackwards) { actor->facingDirection = (actor->actionDirection + 4) & 7; actor->actionCycle--; } else { actor->actionCycle++; } frameRange = getActorFrameRange(actor->id, actor->walkFrameSequence); if (actor->actionCycle < 0) { actor->actionCycle = frameRange->frameCount - 1; } else { if (actor->actionCycle >= frameRange->frameCount) { actor->actionCycle = 0; } } actor->frameNumber = frameRange->frameIndex + actor->actionCycle; break; case kActionWalkDir: if (_vm->_scene->getFlags() & kSceneFlagISO) { actor->location.u() += tileDirectionLUT[actor->actionDirection][0]; actor->location.v() += tileDirectionLUT[actor->actionDirection][1]; frameRange = getActorFrameRange(actor->id, actor->walkFrameSequence); actor->actionCycle++; actor->cycleWrap(frameRange->frameCount); actor->frameNumber = frameRange->frameIndex + actor->actionCycle; } else { actor->location.x += directionLUT[actor->actionDirection][0] * 2; actor->location.y += directionLUT[actor->actionDirection][1] * 2; frameRange = getActorFrameRange(actor->id, actor->walkFrameSequence); actor->actionCycle++; actor->cycleWrap(frameRange->frameCount); actor->frameNumber = frameRange->frameIndex + actor->actionCycle; } break; case kActionSpeak: actor->actionCycle++; actor->cycleWrap(64); frameRange = getActorFrameRange(actor->id, kFrameGesture); if (actor->actionCycle >= frameRange->frameCount) { if (actor->actionCycle & 1) break; frameRange = getActorFrameRange(actor->id, kFrameSpeak); state = (uint16)_vm->_rnd.getRandomNumber(frameRange->frameCount); if (state == 0) { frameRange = getActorFrameRange(actor->id, kFrameStand); } else { state--; } } else { state = actor->actionCycle; } actor->frameNumber = frameRange->frameIndex + state; break; case kActionAccept: case kActionStoop: break; case kActionCycleFrames: case kActionPongFrames: if (actor->cycleTimeCount > 0) { actor->cycleTimeCount--; break; } actor->cycleTimeCount = actor->cycleDelay; actor->actionCycle++; frameRange = getActorFrameRange(actor->id, actor->cycleFrameSequence); if (actor->currentAction == kActionPongFrames) { if (actor->actionCycle >= frameRange->frameCount * 2 - 2) { if (actor->actorFlags & kActorContinuous) { actor->actionCycle = 0; } else { actor->currentAction = kActionFreeze; break; } } state = actor->actionCycle; if (state >= frameRange->frameCount) { state = frameRange->frameCount * 2 - 2 - state; } } else { if (actor->actionCycle >= frameRange->frameCount) { if (actor->actorFlags & kActorContinuous) { actor->actionCycle = 0; } else { actor->currentAction = kActionFreeze; break; } } state = actor->actionCycle; } if (frameRange->frameCount && (actor->actorFlags & kActorRandom)) { state = _vm->_rnd.getRandomNumber(frameRange->frameCount - 1); } if (actor->actorFlags & kActorBackwards) { actor->frameNumber = frameRange->frameIndex + frameRange->frameCount - 1 - state; } else { actor->frameNumber = frameRange->frameIndex + state; } break; case kActionFall: debug(9,"kActionFall not implemented"); //todo: do it break; case kActionClimb: debug(9,"kActionClimb not implemented"); //todo: do it break; } if ((actor->currentAction >= kActionWalkToPoint) && (actor->currentAction <= kActionWalkDir)) { hitZone = NULL; if (_vm->_scene->getFlags() & kSceneFlagISO) { actor->location.toScreenPointUV(hitPoint); } else { actor->location.toScreenPointXY(hitPoint); } hitZoneIndex = _vm->_scene->_actionMap->hitTest(hitPoint); if (hitZoneIndex != -1) { hitZone = _vm->_scene->_actionMap->getHitZone(hitZoneIndex); } if (hitZone != actor->lastZone) { if (actor->lastZone) stepZoneAction( actor, actor->lastZone, true, false); actor->lastZone = hitZone; if (hitZone) stepZoneAction( actor, hitZone, false, false); } } } } int Actor::direct(int msec) { // FIXME: HACK. This should be turned into cycle event. _lastTickMsec += msec; if (_lastTickMsec > 1000 / 15) { // fixme _lastTickMsec = 0; //process actions handleActions(msec, false); } //process speech handleSpeech(msec); return SUCCESS; } void Actor::calcScreenPosition(CommonObjectData *commonObjectData) { int beginSlope, endSlope, middle; if (_vm->_scene->getFlags() & kSceneFlagISO) { _vm->_isoMap->tileCoordsToScreenPoint(commonObjectData->location, commonObjectData->screenPosition); commonObjectData->screenScale = 256; } else { middle = _vm->getSceneHeight() - commonObjectData->location.y / ACTOR_LMULT; _vm->_scene->getSlopes(beginSlope, endSlope); commonObjectData->screenDepth = (14 * middle) / endSlope + 1; if (middle <= beginSlope) { commonObjectData->screenScale = 256; } else { if (middle >= endSlope) { commonObjectData->screenScale = 1; } else { middle -= beginSlope; endSlope -= beginSlope; commonObjectData->screenScale = 256 - (middle * 256) / endSlope; } } commonObjectData->location.toScreenPointXYZ(commonObjectData->screenPosition); } } uint16 Actor::hitTest(const Point &testPoint, bool skipProtagonist) { CommonObjectOrderList::iterator drawOrderIterator; CommonObjectDataPointer drawObject; int frameNumber; SpriteList *spriteList; createDrawOrderList(); for (drawOrderIterator = _drawOrderList.begin(); drawOrderIterator != _drawOrderList.end(); ++drawOrderIterator) { drawObject = drawOrderIterator.operator*(); if (skipProtagonist && (drawObject == _protagonist)) { continue; } if (!getSpriteParams(drawObject, frameNumber, spriteList)) { continue; } if (_vm->_sprite->hitTest(*spriteList, frameNumber, drawObject->screenPosition, drawObject->screenScale, testPoint)) { return drawObject->id; } } return ID_NOTHING; } void Actor::createDrawOrderList() { int i; ActorData *actor; ObjectData *obj; CommonObjectOrderList::CompareFunction *compareFunction; if (_vm->_scene->getFlags() & kSceneFlagISO) { compareFunction = &tileCommonObjectCompare; } else { compareFunction = &commonObjectCompare; } _drawOrderList.clear(); for (i = 0; i < _actorsCount; i++) { actor = _actors[i]; if (actor->disabled) continue; if (actor->sceneNumber != _vm->_scene->currentSceneNumber()) continue; _drawOrderList.pushBack(actor, compareFunction); calcScreenPosition(actor); } for (i = 0; i < _objsCount; i++) { obj = _objs[i]; if (obj->disabled) continue; if (obj->sceneNumber != _vm->_scene->currentSceneNumber()) continue; _drawOrderList.pushBack(obj, compareFunction); calcScreenPosition(obj); } } bool Actor::getSpriteParams(CommonObjectData *commonObjectData, int &frameNumber, SpriteList *&spriteList) { if (_vm->_scene->currentSceneResourceId() == RID_ITE_OVERMAP_SCENE) { if (!(commonObjectData->flags & kProtagonist)){ warning("not protagonist"); return false; } frameNumber = 8; spriteList = &_vm->_sprite->_mainSprites; } else { frameNumber = commonObjectData->frameNumber; if (validActorId(commonObjectData->id)) { spriteList = &((ActorData*)commonObjectData)->spriteList; } else { spriteList = &_vm->_sprite->_mainSprites; } } if ((frameNumber < 0) || (spriteList->spriteCount <= frameNumber)) { warning("Actor::getSpriteParams frameNumber invalid for object id 0x%X", commonObjectData->id); return false; } return true; } int Actor::drawActors() { CommonObjectOrderList::iterator drawOrderIterator; CommonObjectDataPointer drawObject; int frameNumber; SpriteList *spriteList; SURFACE *back_buf; back_buf = _vm->_gfx->getBackBuffer(); createDrawOrderList(); for (drawOrderIterator = _drawOrderList.begin(); drawOrderIterator != _drawOrderList.end(); ++drawOrderIterator) { drawObject = drawOrderIterator.operator*(); if (!getSpriteParams(drawObject, frameNumber, spriteList)) { continue; } if (_vm->_scene->getFlags() & kSceneFlagISO) { _vm->_isoMap->drawSprite(back_buf, *spriteList, frameNumber, drawObject->location, drawObject->screenPosition, drawObject->screenScale); } else { _vm->_sprite->drawOccluded(back_buf, *spriteList, frameNumber, drawObject->screenPosition, drawObject->screenScale, drawObject->screenDepth); } } // draw speeches if (isSpeaking() && _activeSpeech.playing && !_vm->_script->_skipSpeeches) { int i; int textDrawFlags; char oneChar[2]; oneChar[1] = 0; const char *outputString; if (_activeSpeech.speechFlags & kSpeakSlow) { outputString = oneChar; oneChar[0] = _activeSpeech.strings[0][_activeSpeech.slowModeCharIndex]; } else { outputString = _activeSpeech.strings[0]; } textDrawFlags = FONT_CENTERED; if (_activeSpeech.outlineColor != 0) { textDrawFlags |= FONT_OUTLINE; } if (_activeSpeech.actorIds[0] != 0) { for (i = 0; i < _activeSpeech.actorsCount; i++){ _vm->textDraw(MEDIUM_FONT_ID, back_buf, outputString, _activeSpeech.speechCoords[i].x, _activeSpeech.speechCoords[i].y, _activeSpeech.speechColor[i], _activeSpeech.outlineColor[i], textDrawFlags); } } else { // non actors speech warning("non actors speech occures"); //todo: write it } } return SUCCESS; } bool Actor::followProtagonist(ActorData *actor) { Location protagonistLocation; Location newLocation; Location delta; int protagonistBGMaskType; Point prefer1; Point prefer2; Point prefer3; int16 prefU; int16 prefV; int16 newU; int16 newV; assert(_protagonist); actor->flags &= ~(kFaster | kFastest); protagonistLocation = _protagonist->location; calcScreenPosition(_protagonist); if (_vm->_scene->getFlags() & kSceneFlagISO) { prefU = 60; prefV = 60; actor->location.delta(protagonistLocation, delta); if (actor->id == actorIndexToId(2)) { prefU = prefV = 48; } if ((delta.u() > prefU) || (delta.u() < -prefU) || (delta.v() > prefV) || (delta.v() < -prefV)) { if ((delta.u() > prefU * 2) || (delta.u() < -prefU * 2) || (delta.v() > prefV * 2) || (delta.v() < -prefV * 2)) { actor->flags |= kFaster; if ((delta.u() > prefU * 3) || (delta.u() < -prefU*3) || (delta.v() > prefV * 3) || (delta.v() < -prefV * 3)) { actor->flags |= kFastest; } } prefU /= 2; prefV /= 2; newU = clamp( -prefU, delta.u(), prefU ) + protagonistLocation.u(); newV = clamp( -prefV, delta.v(), prefV ) + protagonistLocation.v(); newLocation.u() = newU + _vm->_rnd.getRandomNumber(prefU - 1) - prefU / 2; newLocation.v() = newV + _vm->_rnd.getRandomNumber(prefV - 1) - prefV / 2; newLocation.z = 0; return actorWalkTo(actor->id, newLocation); } } else { prefer1.x = (100 * _protagonist->screenScale) >> 8; prefer1.y = (50 * _protagonist->screenScale) >> 8; if (_protagonist->currentAction == kActionWalkDir) { prefer1.x /= 2; } if (prefer1.x < 8) { prefer1.x = 8; } if (prefer1.y < 8) { prefer1.y = 8; } prefer2.x = prefer1.x * 2; prefer2.y = prefer1.y * 2; prefer3.x = prefer1.x + prefer1.x / 2; prefer3.y = prefer1.y + prefer1.y / 2; actor->location.delta(protagonistLocation, delta); protagonistBGMaskType = 0; if (_vm->_scene->isBGMaskPresent()) { if (_vm->_scene->validBGMaskPoint(_protagonist->screenPosition)) { protagonistBGMaskType = _vm->_scene->getBGMaskType(_protagonist->screenPosition); } } if ((_vm->_rnd.getRandomNumber(7) & 0x7) == 0) // 1/8th chance actor->actorFlags &= ~kActorNoFollow; if (actor->actorFlags & kActorNoFollow) { return false; } if ((delta.x > prefer2.x) || (delta.x < -prefer2.x) || (delta.y > prefer2.y) || (delta.y < -prefer2.y) || ((_protagonist->currentAction == kActionWait) && (delta.x * 2 < prefer1.x) && (delta.x * 2 > -prefer1.x) && (delta.y < prefer1.y) && (delta.y > -prefer1.y))) { if (ABS(delta.x) > ABS(delta.y)) { delta.x = (delta.x > 0) ? prefer3.x : -prefer3.x; newLocation.x = delta.x + protagonistLocation.x; newLocation.y = clamp(-prefer2.y, delta.y, prefer2.y) + protagonistLocation.y; } else { delta.y = (delta.y > 0) ? prefer3.y : -prefer3.y; newLocation.x = clamp(-prefer2.x, delta.x, prefer2.x) + protagonistLocation.x; newLocation.y = delta.y + protagonistLocation.y; } newLocation.z = 0; if (protagonistBGMaskType != 3) { newLocation.x += _vm->_rnd.getRandomNumber(prefer1.x - 1) - prefer1.x / 2; newLocation.y += _vm->_rnd.getRandomNumber(prefer1.y - 1) - prefer1.y / 2; } newLocation.x = clamp(-31*4, newLocation.x, (_vm->getDisplayWidth() + 31) * 4); //fixme return actorWalkTo(actor->id, newLocation); } } return false; } bool Actor::actorEndWalk(uint16 actorId, bool recurse) { bool walkMore = false; ActorData *actor; const HitZone *hitZone; int hitZoneIndex; Point testPoint; actor = getActor(actorId); actor->actorFlags &= ~kActorBackwards; if (actor->location.distance(actor->finalTarget) > 8) { if ((actor->flags & kProtagonist) && recurse && !(actor->actorFlags & kActorNoCollide)) { actor->actorFlags |= kActorNoCollide; return actorWalkTo(actorId, actor->finalTarget); } } actor->currentAction = kActionWait; if (actor->actorFlags & kActorFinalFace) { actor->facingDirection = actor->actionDirection = (actor->actorFlags >> 6) & 0x07; //? } actor->actorFlags &= ~(kActorNoCollide | kActorCollided | kActorFinalFace | kActorFacingMask); actor->flags &= ~(kFaster | kFastest); if (actor == _protagonist) { _vm->_script->wakeUpActorThread(kWaitTypeWalk, actor); if (_vm->_script->_pendingVerb == kVerbWalkTo) { actor->location.toScreenPointUV(testPoint); hitZoneIndex = _vm->_scene->_actionMap->hitTest(testPoint); if (hitZoneIndex != -1) { hitZone = _vm->_scene->_actionMap->getHitZone(hitZoneIndex); stepZoneAction(actor, hitZone, false, true); } else { _vm->_script->setNoPendingVerb(); } } else { if (_vm->_script->_pendingVerb != kVerbNone) { _vm->_script->doVerb(); } } } else { if (recurse && (actor->flags & kFollower)) walkMore = followProtagonist(actor); _vm->_script->wakeUpActorThread(kWaitTypeWalk, actor); } return walkMore; } bool Actor::actorWalkTo(uint16 actorId, const Location &toLocation) { ActorData *actor; ActorData *anotherActor; int i; Rect testBox; Rect testBox2; Point anotherActorScreenPosition; Point collision; Point pointFrom, pointTo, pointBest, pointAdd; Point delta, bestDelta; Point tempPoint; bool extraStartNode; bool extraEndNode; actor = getActor(actorId); if (actor == _protagonist) { _vm->_scene->setDoorState(2, 0xff); _vm->_scene->setDoorState(3, 0); } else { _vm->_scene->setDoorState(2, 0); _vm->_scene->setDoorState(3, 0xff); } if (_vm->_scene->getFlags() & kSceneFlagISO) { //todo: dragon stuff actor->finalTarget = toLocation; actor->walkStepsCount = 0; _vm->_isoMap->findTilePath(actor, actor->location, toLocation); if ((actor->walkStepsCount == 0) && (actor->flags & kProtagonist)) { actor->actorFlags |= kActorNoCollide; _vm->_isoMap->findTilePath(actor, actor->location, toLocation); } actor->walkStepIndex = 0; if (_vm->_isoMap->nextTileTarget(actor)) { actor->currentAction = kActionWalkToPoint; actor->walkFrameSequence = kFrameWalk; } else { actorEndWalk( actorId, false); return false; } } else { actor->location.toScreenPointXY(pointFrom); extraStartNode = _vm->_scene->offscreenPath(pointFrom); toLocation.toScreenPointXY(pointTo); extraEndNode = _vm->_scene->offscreenPath(pointTo); if (_vm->_scene->isBGMaskPresent()) { if ((((actor->currentAction >= kActionWalkToPoint) && (actor->currentAction <= kActionWalkDir)) || (actor == _protagonist)) && !_vm->_scene->canWalk(pointFrom)) { for (i = 1; i < 8; i++) { pointAdd = pointFrom; pointAdd.y += i; if (_vm->_scene->canWalk(pointAdd)) { pointFrom = pointAdd; break; } pointAdd = pointFrom; pointAdd.y -= i; if (_vm->_scene->canWalk(pointAdd)) { pointFrom = pointAdd; break; } pointAdd = pointFrom; pointAdd.x += i; if (_vm->_scene->canWalk(pointAdd)) { pointFrom = pointAdd; break; } pointAdd = pointFrom; pointAdd.x -= i; if (_vm->_scene->canWalk(pointAdd)) { pointFrom = pointAdd; break; } } } if (!(actor->actorFlags & kActorNoCollide)) { collision.x = ACTOR_COLLISION_WIDTH * actor->screenScale / (256 * 2); collision.y = ACTOR_COLLISION_HEIGHT * actor->screenScale / (256 * 2); _barrierCount = 0; for (i = 0; (i < _actorsCount) && (_barrierCount < ACTOR_BARRIERS_MAX); i++) { anotherActor = _actors[i]; if (anotherActor->disabled) continue; if (anotherActor->sceneNumber != _vm->_scene->currentSceneNumber()) continue; if (anotherActor == actor ) continue; anotherActorScreenPosition = anotherActor->screenPosition; testBox.left = anotherActorScreenPosition.x - collision.x; testBox.right = anotherActorScreenPosition.x + collision.x + 1; testBox.top = anotherActorScreenPosition.y - collision.y; testBox.bottom = anotherActorScreenPosition.y + collision.y + 1; testBox2 = testBox; testBox2.right += 1; testBox2.left -= 1; if (testBox2.contains(pointFrom)) { if (pointFrom.x > anotherActorScreenPosition.x + 4) { testBox.right = pointFrom.x - 1; } else { if (pointFrom.x < anotherActorScreenPosition.x - 4) { testBox.left = pointFrom.x + 2; } else { if (pointFrom.y > anotherActorScreenPosition.y) { testBox.bottom = pointFrom.y; } else { testBox.top = pointFrom.y + 1 ; } } } } if ((testBox.width() > 0) && (testBox.height() > 0)) { _barrierList[_barrierCount++] = testBox; } } } pointBest = pointTo; actor->walkStepsCount = 0; findActorPath(actor, pointFrom, pointTo); if (actor->walkStepsCount == 0) { error("actor->walkStepsCount == 0"); } if (extraStartNode) { actor->walkStepIndex = 0; } else { actor->walkStepIndex = 1; } if (extraEndNode) { toLocation.toScreenPointXY(tempPoint); actor->walkStepsCount--; actor->addWalkStepPoint(tempPoint); } pointBest = actor->walkStepsPoints[actor->walkStepsCount - 1]; pointFrom.x &= ~1; delta.x = ABS(pointFrom.x - pointTo.x); delta.y = ABS(pointFrom.y - pointTo.y); bestDelta.x = ABS(pointBest.x - pointTo.x); bestDelta.y = ABS(pointBest.y - pointTo.y); if (delta.x + delta.y <= bestDelta.x + bestDelta.y) { if (actor->flags & kFollower) actor->actorFlags |= kActorNoFollow; } if (pointBest == pointFrom) { actor->walkStepsCount = 0; } } else { actor->walkStepsCount = 0; actor->addWalkStepPoint(pointTo); actor->walkStepIndex = 0; } actor->partialTarget = actor->location; actor->finalTarget = toLocation; if (actor->walkStepsCount == 0) { actorEndWalk(actorId, false); return false; } else { if (actor->flags & kProtagonist) { _actors[1]->actorFlags &= ~kActorNoFollow; // TODO: mark all actors with kFollower flag, not only 1 and 2 _actors[2]->actorFlags &= ~kActorNoFollow; } actor->currentAction = (actor->walkStepsCount >= ACTOR_MAX_STEPS_COUNT) ? kActionWalkToLink : kActionWalkToPoint; actor->walkFrameSequence = kFrameWalk; } } return true; } void Actor::actorSpeech(uint16 actorId, const char **strings, int stringsCount, uint16 sampleResourceId, int speechFlags) { ActorData *actor; int i; if (_vm->getGameType() == GType_IHNM) { warning("Actors aren't implemented for IHNM yet"); return; } actor = getActor(actorId); for (i = 0; i < stringsCount; i++) { _activeSpeech.strings[i] = strings[i]; } _activeSpeech.stringsCount = stringsCount; _activeSpeech.speechFlags = speechFlags; _activeSpeech.actorsCount = 1; _activeSpeech.actorIds[0] = actorId; _activeSpeech.speechColor[0] = actor->speechColor; _activeSpeech.outlineColor[0] = kITEColorBlack; _activeSpeech.sampleResourceId = sampleResourceId; _activeSpeech.playing = false; _activeSpeech.slowModeCharIndex = 0; } void Actor::nonActorSpeech(const char **strings, int stringsCount, int speechFlags) { int i; _vm->_script->wakeUpThreads(kWaitTypeSpeech); for (i = 0; i < stringsCount; i++) { _activeSpeech.strings[i] = strings[i]; } _activeSpeech.stringsCount = stringsCount; _activeSpeech.speechFlags = speechFlags; _activeSpeech.actorsCount = 1; _activeSpeech.actorIds[0] = 0; //_activeSpeech.speechColor[0] = ; //_activeSpeech.outlineColor[0] = ; //_activeSpeech.speechCoords[0].x = ; //_activeSpeech.speechCoords[0].y = ; _activeSpeech.sampleResourceId = -1; _activeSpeech.playing = false; _activeSpeech.slowModeCharIndex = 0; } void Actor::simulSpeech(const char *string, uint16 *actorIds, int actorIdsCount, int speechFlags) { int i; if (_vm->getGameType() == GType_IHNM) { warning("Actors aren't implemented for IHNM yet"); return; } for (i = 0; i < actorIdsCount; i++) { ActorData *actor; actor = getActor(actorIds[i]); _activeSpeech.actorIds[i] = actorIds[i]; _activeSpeech.speechColor[i] = actor->speechColor; _activeSpeech.outlineColor[i] = 0; // disable outline } _activeSpeech.actorsCount = actorIdsCount; _activeSpeech.strings[0] = string; _activeSpeech.stringsCount = 1; _activeSpeech.speechFlags = speechFlags; _activeSpeech.sampleResourceId = -1; _activeSpeech.playing = false; _activeSpeech.slowModeCharIndex = 0; // caller should call thread->wait(kWaitTypeSpeech) by itself } void Actor::abortAllSpeeches() { abortSpeech(); if (_vm->_script->_abortEnabled) _vm->_script->_skipSpeeches = true; for (int i = 0; i < 10; i++) _vm->_script->executeThreads(0); } void Actor::abortSpeech() { _vm->_sound->stopVoice(); _activeSpeech.playingTime = 0; } void Actor::findActorPath(ActorData *actor, const Point &fromPoint, const Point &toPoint) { Point iteratorPoint; Point bestPoint; int maskType; int i; Rect intersect; #ifdef ACTOR_DEBUG _debugPointsCount = 0; #endif actor->walkStepsCount = 0; if (fromPoint == toPoint) { actor->addWalkStepPoint(toPoint); return; } for (iteratorPoint.y = 0; iteratorPoint.y < _yCellCount; iteratorPoint.y++) { for (iteratorPoint.x = 0; iteratorPoint.x < _xCellCount; iteratorPoint.x++) { if (_vm->_scene->validBGMaskPoint(iteratorPoint)) { maskType = _vm->_scene->getBGMaskType(iteratorPoint); } else { maskType = 1; } setPathCell(iteratorPoint, maskType ? kPathCellBarrier : kPathCellEmpty); } } for (i = 0; i < _barrierCount; i++) { intersect.left = MAX(_pathRect.left, _barrierList[i].left); intersect.top = MAX(_pathRect.top, _barrierList[i].top); intersect.right = MIN(_pathRect.right, _barrierList[i].right); intersect.bottom = MIN(_pathRect.bottom, _barrierList[i].bottom); for (iteratorPoint.y = intersect.top; iteratorPoint.y < intersect.bottom; iteratorPoint.y++) { for (iteratorPoint.x = intersect.left; iteratorPoint.x < intersect.right; iteratorPoint.x++) { setPathCell(iteratorPoint, kPathCellBarrier); } } } #ifdef ACTOR_DEBUG for (iteratorPoint.y = 0; iteratorPoint.y < _yCellCount; iteratorPoint.y++) { for (iteratorPoint.x = 0; iteratorPoint.x < _xCellCount; iteratorPoint.x++) { if (getPathCell(iteratorPoint) == kPathCellBarrier) { addDebugPoint(iteratorPoint, 24); } } } #endif if (scanPathLine(fromPoint, toPoint)) { actor->addWalkStepPoint(fromPoint); actor->addWalkStepPoint(toPoint); return; } i = fillPathArray(fromPoint, toPoint, bestPoint); if (fromPoint == bestPoint) { actor->addWalkStepPoint(bestPoint); return; } if (i == 0) { error("fillPathArray returns zero"); } setActorPath(actor, fromPoint, bestPoint); } bool Actor::scanPathLine(const Point &point1, const Point &point2) { Point point; Point delta; bool interchange = false; Point fDelta; int errterm; int s1; int s2; int i; point = point1; delta.x = ABS(point1.x - point2.x); delta.y = ABS(point1.y - point2.y); s1 = integerCompare(point2.x, point1.x); s2 = integerCompare(point2.y, point1.y); if (delta.y > delta.x) { SWAP(delta.y, delta.x); interchange = true; } fDelta.x = delta.x * 2; fDelta.y = delta.y * 2; errterm = fDelta.y - delta.x; for (i = 0; i < delta.x; i++) { while (errterm >= 0) { if (interchange) { point.x += s1; } else { point.y += s2; } errterm -= fDelta.x; } if (interchange) point.y += s2; else point.x += s1; errterm += fDelta.y; if (!validPathCellPoint(point)) { return false; } if (getPathCell(point) == kPathCellBarrier) { return false; } } return true; } int Actor::fillPathArray(const Point &fromPoint, const Point &toPoint, Point &bestPoint) { int bestRating; int currentRating; int i; Point bestPath; int pointCounter; int startDirection; PathDirectionData *pathDirection; PathDirectionData *newPathDirection; const PathDirectionData *samplePathDirection; Point nextPoint; int directionCount; _pathDirectionListCount = 0; pointCounter = 0; bestRating = quickDistance(fromPoint, toPoint); bestPath = fromPoint; for (startDirection = 0; startDirection < 4; startDirection++) { newPathDirection = addPathDirectionListData(); newPathDirection->x = fromPoint.x; newPathDirection->y = fromPoint.y; newPathDirection->direction = startDirection; } if (validPathCellPoint(fromPoint)) { setPathCell(fromPoint, kDirUp); #ifdef ACTOR_DEBUG addDebugPoint(fromPoint, 24+36); #endif } i = 0; do { pathDirection = &_pathDirectionList[i]; for (directionCount = 0; directionCount < 3; directionCount++) { samplePathDirection = &pathDirectionLUT[pathDirection->direction][directionCount]; nextPoint.x = samplePathDirection->x + pathDirection->x; nextPoint.y = samplePathDirection->y + pathDirection->y; if (!validPathCellPoint(nextPoint)) { continue; } if (getPathCell(nextPoint) != kPathCellEmpty) { continue; } setPathCell(nextPoint, samplePathDirection->direction); #ifdef ACTOR_DEBUG addDebugPoint(nextPoint, samplePathDirection->direction + 96); #endif newPathDirection = addPathDirectionListData(); newPathDirection->x = nextPoint.x; newPathDirection->y = nextPoint.y; newPathDirection->direction = samplePathDirection->direction; ++pointCounter; if (nextPoint == toPoint) { bestPoint = toPoint; return pointCounter; } currentRating = quickDistance(nextPoint, toPoint); if (currentRating < bestRating) { bestRating = currentRating; bestPath = nextPoint; } pathDirection = &_pathDirectionList[i]; } ++i; } while (i < _pathDirectionListCount); bestPoint = bestPath; return pointCounter; } void Actor::setActorPath(ActorData *actor, const Point &fromPoint, const Point &toPoint) { Point nextPoint; int8 direction; int i; _pathListIndex = -1; addPathListPoint(toPoint); nextPoint = toPoint; while ( !(nextPoint == fromPoint)) { direction = getPathCell(nextPoint); if ((direction < 0) || (direction >= 8)) { error("Actor::setActorPath error direction 0x%X", direction); } nextPoint.x -= pathDirectionLUT2[direction][0]; nextPoint.y -= pathDirectionLUT2[direction][1]; addPathListPoint(nextPoint); #ifdef ACTOR_DEBUG addDebugPoint(nextPoint, 0x8a); #endif } pathToNode(); removeNodes(); nodeToPath(); removePathPoints(); for (i = 0; i <= _pathNodeListIndex; i++) { actor->addWalkStepPoint(_pathNodeList[i].point); } } void Actor::pathToNode() { Point point1, point2, delta; int direction; int i; Point *point; point= &_pathList[_pathListIndex]; direction = 0; _pathNodeListIndex = -1; addPathNodeListPoint(*point); for (i = _pathListIndex; i > 0; i--) { point1 = *point; --point; point2 = *point; if (direction == 0) { delta.x = integerCompare(point2.x, point1.x); delta.y = integerCompare(point2.y, point1.y); direction++; } if ((point1.x + delta.x != point2.x) || (point1.y + delta.y != point2.y)) { addPathNodeListPoint(point1); direction--; i++; point++; } } addPathNodeListPoint(*_pathList); } int pathLine(Point *pointList, const Point &point1, const Point &point2) { Point point; Point delta; Point tempPoint; int s1; int s2; bool interchange = false; int errterm; int i; delta.x = abs(point2.x - point1.x); delta.y = abs(point2.y - point1.y); point = point1; s1 = integerCompare(point2.x, point1.x); s2 = integerCompare(point2.y, point1.y); if (delta.y > delta.x) { SWAP(delta.y, delta.x); interchange = true; } tempPoint.x = delta.x * 2; tempPoint.y = delta.y * 2; errterm = tempPoint.y - delta.x; for (i = 0; i < delta.x; i++) { while (errterm >= 0) { if (interchange) { point.x += s1; } else { point.y += s2; } errterm -= tempPoint.x; } if (interchange) { point.y += s2; } else { point.x += s1; } errterm += tempPoint.y; pointList[i] = point; } return delta.x; } void Actor::nodeToPath() { int i; Point point1, point2; PathNode *node; Point *point; for (i = 0, point = _pathList; i < _pathListAlloced; i++, point++) { point->x = point->y = PATH_NODE_EMPTY; } _pathListIndex = 1; _pathList[0] = _pathNodeList[0].point; _pathNodeList[0].link = 0; for (i = 0, node = _pathNodeList; i < _pathNodeListIndex; i++) { point1 = node->point; node++; point2 = node->point; _pathListIndex += pathLine(&_pathList[_pathListIndex], point1, point2); node->link = _pathListIndex - 1; } _pathListIndex--; _pathNodeList[_pathNodeListIndex].link = _pathListIndex; } void Actor::removeNodes() { int i, j, k; PathNode *iNode, *jNode, *kNode, *fNode; fNode = &_pathNodeList[_pathNodeListIndex]; if (scanPathLine(_pathNodeList[0].point, fNode->point)) { _pathNodeList[1] = *fNode; _pathNodeListIndex = 1; } if (_pathNodeListIndex < 4) { return; } for (i = _pathNodeListIndex - 1, iNode = fNode-1; i > 1 ; i--, iNode--) { if (iNode->point.x == PATH_NODE_EMPTY) { continue; } if (scanPathLine(_pathNodeList[0].point, iNode->point)) { for (j = 1, jNode = _pathNodeList + 1; j < i; j++, jNode++) { jNode->point.x = PATH_NODE_EMPTY; } } } for (i = 1, iNode = _pathNodeList + 1; i < _pathNodeListIndex - 1; i++, iNode++) { if (iNode->point.x == PATH_NODE_EMPTY) { continue; } if (scanPathLine(fNode->point, iNode->point)) { for (j = i + 1, jNode = iNode + 1; j < _pathNodeListIndex; j++, jNode++) { jNode->point.x = PATH_NODE_EMPTY; } } } condenseNodeList(); for (i = 1, iNode = _pathNodeList + 1; i < _pathNodeListIndex - 1; i++, iNode++) { if (iNode->point.x == PATH_NODE_EMPTY) { continue; } for (j = i + 2, jNode = iNode + 2; j < _pathNodeListIndex; j++, jNode++) { if (jNode->point.x == PATH_NODE_EMPTY) { continue; } if (scanPathLine(iNode->point, jNode->point)) { for (k = i + 1,kNode = iNode + 1; k < j; k++, kNode++) { kNode->point.x = PATH_NODE_EMPTY; } } } } condenseNodeList(); } void Actor::condenseNodeList() { int i, j, count; PathNode *iNode, *jNode; count = _pathNodeListIndex; for (i = 1, iNode = _pathNodeList + 1; i < _pathNodeListIndex; i++, iNode++) { if (iNode->point.x == PATH_NODE_EMPTY) { j = i + 1; jNode = iNode + 1; while ( jNode->point.x == PATH_NODE_EMPTY ) { j++; jNode++; } *iNode = *jNode; count = i; jNode->point.x = PATH_NODE_EMPTY; if (j == _pathNodeListIndex) { break; } } } _pathNodeListIndex = count; } void Actor::removePathPoints() { int i, j, k, l; PathNode *node; int start; int end; Point point1, point2; if (_pathNodeListIndex < 2) return; _newPathNodeListIndex = -1; addNewPathNodeListPoint(_pathNodeList[0]); for (i = 1, node = _pathNodeList + 1; i < _pathNodeListIndex; i++, node++) { addNewPathNodeListPoint(*node); for (j = 5; j > 0; j--) { start = node->link - j; end = node->link + j; if (start < 0 || end > _pathListIndex) { continue; } point1 = _pathList[start]; point2 = _pathList[end]; if ((point1.x == PATH_NODE_EMPTY) || (point2.x == PATH_NODE_EMPTY)) { continue; } if (scanPathLine(point1, point2)) { for (l = 1; l <= _newPathNodeListIndex; l++) { if (start <= _newPathNodeList[l].link) { _newPathNodeListIndex = l; _newPathNodeList[_newPathNodeListIndex].point = point1; _newPathNodeList[_newPathNodeListIndex].link = start; incrementNewPathNodeListIndex(); break; } } _newPathNodeList[_newPathNodeListIndex].point = point2; _newPathNodeList[_newPathNodeListIndex].link = end; for (k = start + 1; k < end; k++) { _pathList[k].x = PATH_NODE_EMPTY; } break; } } } addNewPathNodeListPoint(_pathNodeList[_pathNodeListIndex]); for (i = 0, j = 0; i <= _newPathNodeListIndex; i++) { if (_newPathNodeListIndex == i || (_newPathNodeList[i].point != _newPathNodeList[i+1].point)) { _pathNodeList[j++] = _newPathNodeList[i]; } } _pathNodeListIndex = j - 1; } void Actor::drawPathTest() { #ifdef ACTOR_DEBUG int i; SURFACE *surface; surface = _vm->_gfx->getBackBuffer(); if (_debugPoints == NULL) { return; } for (i = 0; i < _debugPointsCount; i++) { *((byte *)surface->pixels + (_debugPoints[i].point.y * surface->pitch) + _debugPoints[i].point.x) = _debugPoints[i].color; } #endif } // Console wrappers - must be safe to run void Actor::cmdActorWalkTo(int argc, const char **argv) { uint16 actorId = (uint16) atoi(argv[1]); Location location; Point movePoint; movePoint.x = atoi(argv[2]); movePoint.y = atoi(argv[3]); location.fromScreenPoint(movePoint); if (!validActorId(actorId)) { _vm->_console->DebugPrintf("Actor::cmActorWalkTo Invalid actorId 0x%X.\n", actorId); return; } actorWalkTo(actorId, location); } } // End of namespace Saga