scummvm/engines/ngi/behavior.cpp
2021-12-26 18:48:43 +01:00

353 lines
9.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "ngi/ngi.h"
#include "ngi/objects.h"
#include "ngi/behavior.h"
#include "ngi/statics.h"
#include "ngi/messages.h"
namespace NGI {
BehaviorManager::BehaviorManager() {
_scene = nullptr;
_isActive = 1;
}
BehaviorManager::~BehaviorManager() {
clear();
}
void BehaviorManager::clear() {
_behaviors.clear();
}
void BehaviorManager::initBehavior(Scene *sc, GameVar *var) {
debugC(2, kDebugBehavior, "BehaviorManager::initBehavior(%d, %s)", sc->_sceneId, transCyrillic(var->_varName));
clear();
_scene = sc;
GameVar *behvar = var->getSubVarByName("BEHAVIOR");
if (!behvar)
return;
debugC(3, kDebugBehavior, "BehaviorManager::initBehavior. have Variable");
for (GameVar *subvar = behvar->_subVars; subvar; subvar = subvar->_nextVarObj) {
debugC(3, kDebugBehavior, "BehaviorManager::initBehavior. subVar %s", transCyrillic(subvar->_varName));
if (subvar->_varName == "AMBIENT") {
_behaviors.push_back(BehaviorInfo());
_behaviors.back().initAmbientBehavior(subvar, sc);
} else {
StaticANIObject *ani = sc->getStaticANIObject1ByName(subvar->_varName, -1);
if (ani) {
for (uint i = 0; i < sc->_staticANIObjectList1.size(); i++) {
if (sc->_staticANIObjectList1[i]->_id == ani->_id) {
_behaviors.push_back(BehaviorInfo());
BehaviorInfo &behinfo = _behaviors.back();
behinfo.initObjectBehavior(subvar, sc, ani);
behinfo._ani = sc->_staticANIObjectList1[i];
}
}
}
}
}
}
void BehaviorManager::updateBehaviors() {
if (!_isActive)
return;
debugC(6, kDebugBehavior, "BehaviorManager::updateBehaviors()");
for (uint i = 0; i < _behaviors.size(); i++) {
BehaviorInfo &beh = _behaviors[i];
if (!beh._ani) {
beh._counter++;
if (beh._counter >= beh._counterMax)
updateBehavior(beh, beh._behaviorAnims[0]);
continue;
}
if (beh._ani->_movement || !(beh._ani->_flags & 4) || (beh._ani->_flags & 2)) {
beh._staticsId = 0;
continue;
}
if (beh._ani->_statics->_staticsId == beh._staticsId) {
beh._counter++;
if (beh._counter >= beh._counterMax) {
if (beh._subIndex >= 0 && !(beh._flags & 1) && beh._ani->_messageQueueId <= 0) {
assert(beh._ani);
updateStaticAniBehavior(*beh._ani, beh._counter, beh._behaviorAnims[beh._subIndex]);
}
}
} else {
beh._staticsId = beh._ani->_statics->_staticsId;
beh._counter = 0;
beh._subIndex = -1;
for (int j = 0; j < beh._animsCount; j++)
if (beh._behaviorAnims[j]._staticsId == beh._staticsId) {
beh._subIndex = j;
break;
}
}
}
}
void BehaviorManager::updateBehavior(BehaviorInfo &behaviorInfo, BehaviorAnim &entry) {
debugC(7, kDebugBehavior, "BehaviorManager::updateBehavior() moves: %d", entry._behaviorMoves.size());
for (uint i = 0; i < entry._behaviorMoves.size(); i++) {
BehaviorMove &bhi = entry._behaviorMoves[i];
if (!(bhi._flags & 1)) {
if (bhi._flags & 2) {
MessageQueue *mq = new MessageQueue(bhi._messageQueue, 0, 1);
mq->sendNextCommand();
bhi._flags &= 0xFFFFFFFD;
} else if (behaviorInfo._counter >= bhi._delay && bhi._percent && g_nmi->_rnd.getRandomNumber(32767) <= entry._behaviorMoves[i]._percent) {
MessageQueue *mq = new MessageQueue(bhi._messageQueue, 0, 1);
mq->sendNextCommand();
behaviorInfo._counter = 0;
}
}
}
}
void BehaviorManager::updateStaticAniBehavior(StaticANIObject &ani, int delay, const BehaviorAnim &beh) {
debugC(6, kDebugBehavior, "BehaviorManager::updateStaticAniBehavior(%s)", transCyrillic(ani._objectName));
MessageQueue *mq = nullptr;
if (beh._flags & 1) {
uint rnd = g_nmi->_rnd.getRandomNumber(32767);
uint runPercent = 0;
for (uint i = 0; i < beh._behaviorMoves.size(); i++) {
if (!(beh._behaviorMoves[i]._flags & 1) && beh._behaviorMoves[i]._percent) {
if ((rnd >= runPercent && rnd <= runPercent + beh._behaviorMoves[i]._percent) || i == beh._behaviorMoves.size() - 1) {
mq = new MessageQueue(beh._behaviorMoves[i]._messageQueue, 0, 1);
break;
}
runPercent += beh._behaviorMoves[i]._percent;
}
}
} else {
for (uint i = 0; i < beh._behaviorMoves.size(); i++) {
if (!(beh._behaviorMoves[i]._flags & 1) && delay >= beh._behaviorMoves[i]._delay) {
if (beh._behaviorMoves[i]._percent) {
if (g_nmi->_rnd.getRandomNumber(32767) <= beh._behaviorMoves[i]._percent) {
mq = new MessageQueue(beh._behaviorMoves[i]._messageQueue, 0, 1);
break;
}
}
}
}
}
if (mq) {
mq->setParamInt(-1, ani._odelay);
if (!mq->chain(&ani)) {
g_nmi->_globalMessageQueueList->deleteQueueById(mq->_id);
}
}
}
bool BehaviorManager::setBehaviorEnabled(StaticANIObject *obj, int aniId, int quId, int flag) {
BehaviorMove *entry = getBehaviorMoveByMessageQueueDataId(obj, aniId, quId);
if (entry) {
if (flag)
entry->_flags &= 0xFFFFFFFE;
else
entry->_flags |= 1;
} else
return false;
return true;
}
void BehaviorManager::setFlagByStaticAniObject(StaticANIObject *ani, int flag) {
for (uint i = 0; i < _behaviors.size(); i++) {
BehaviorInfo &beh = _behaviors[i];
if (ani == beh._ani) {
if (flag)
beh._flags &= 0xfffffffe;
else
beh._flags |= 1;
}
}
}
BehaviorMove *BehaviorManager::getBehaviorMoveByMessageQueueDataId(StaticANIObject *ani, int id1, int id2) {
for (uint i = 0; i < _behaviors.size(); i++) {
if (_behaviors[i]._ani == ani) {
for (uint j = 0; j < _behaviors[i]._behaviorAnims.size(); j++) {
if (_behaviors[i]._behaviorAnims[j]._staticsId == id1) {
for (uint k = 0; k < _behaviors[i]._behaviorAnims[j]._behaviorMoves.size(); k++) {
if (_behaviors[i]._behaviorAnims[j]._behaviorMoves[k]._messageQueue->_dataId == id2)
return &_behaviors[i]._behaviorAnims[j]._behaviorMoves[k];
}
}
}
}
}
return nullptr;
}
void BehaviorInfo::clear() {
_ani = nullptr;
_staticsId = 0;
_counter = 0;
_counterMax = 0;
_flags = 0;
_subIndex = 0;
_animsCount = 0;
_behaviorAnims.clear();
}
void BehaviorInfo::initAmbientBehavior(GameVar *var, Scene *sc) {
debugC(4, kDebugBehavior, "BehaviorInfo::initAmbientBehavior(%s)", transCyrillic(var->_varName));
clear();
_animsCount = 1;
_counterMax = -1;
_behaviorAnims.push_back(BehaviorAnim());
BehaviorAnim &bi = _behaviorAnims.back();
int movesCount = var->getSubVarsCount();
bi._behaviorMoves.reserve(movesCount);
for (int i = 0; i < movesCount; i++) {
int delay;
bi._behaviorMoves.push_back(BehaviorMove(var->getSubVarByIndex(i), sc, &delay));
BehaviorMove &move = bi._behaviorMoves.back();
if (move._delay < _counterMax)
_counterMax = move._delay;
}
}
void BehaviorInfo::initObjectBehavior(GameVar *var, Scene *sc, StaticANIObject *ani) {
Common::String s((char *)transCyrillic(var->_varName));
debugC(4, kDebugBehavior, "BehaviorInfo::initObjectBehavior(%s, %d, %s)", s.c_str(), sc->_sceneId, transCyrillic(ani->_objectName));
clear();
_animsCount = var->getSubVarsCount();
_counterMax = -1;
while (var->_varType == 2) {
if (strcmp(var->_value.stringValue, "ROOT"))
break;
GameVar *v1 = g_nmi->getGameLoaderGameVar()->getSubVarByName("BEHAVIOR")->getSubVarByName(ani->getName());
if (v1 == var)
return;
sc = g_nmi->accessScene(ani->_sceneId);
clear();
var = v1;
_animsCount = var->getSubVarsCount();
_counterMax = -1;
}
for (int i = 0; i < _animsCount; i++) {
int maxDelay = 0;
_behaviorAnims.push_back(BehaviorAnim(var->getSubVarByIndex(i), sc, ani, &maxDelay));
if (maxDelay < _counterMax)
_counterMax = maxDelay;
}
}
BehaviorAnim::BehaviorAnim() {
_staticsId = 0;
_flags = 0;
}
BehaviorAnim::BehaviorAnim(GameVar *var, Scene *sc, StaticANIObject *ani, int *minDelay) {
_staticsId = 0;
*minDelay = 0xffffffff;
int totalPercent = 0;
_flags = 0;
Statics *st = ani->getStaticsByName(var->_varName);
if (st)
_staticsId = st->_staticsId;
int movesCount = var->getSubVarsCount();
if (movesCount) {
_behaviorMoves.reserve(movesCount);
for (int i = 0; i < movesCount; i++) {
GameVar *subvar = var->getSubVarByIndex(i);
int delay = 0;
_behaviorMoves.push_back(BehaviorMove(subvar, sc, &delay));
BehaviorMove &move = _behaviorMoves.back();
totalPercent += delay;
if (move._delay < *minDelay)
*minDelay = move._delay;
}
if (!*minDelay && totalPercent == 1000)
_flags |= 1;
}
}
BehaviorMove::BehaviorMove(GameVar *subvar, Scene *sc, int *delay) {
_messageQueue = nullptr;
_delay = 0;
_percent = 0;
_flags = 0;
_messageQueue = sc->getMessageQueueByName(subvar->_varName);
GameVar *vart = subvar->getSubVarByName("dwDelay");
if (vart)
_delay = vart->_value.intValue;
*delay = 0;
vart = subvar->getSubVarByName("dwPercent");
if (vart) {
_percent = 0x7FFF * vart->_value.intValue / 1000;
*delay = vart->_value.intValue;
}
vart = subvar->getSubVarByName("dwFlags");
if (vart && vart->_varType == 2 && strstr(vart->_value.stringValue, "QDESC_AUTOSTART"))
_flags |= 2;
}
} // End of namespace NGI