Initial commit

engines/pink/objects/sequences/sequencer.cpp

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+/* 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 "common/debug.h"
+
+#include "pink/archive.h"
+#include "pink/pink.h"
+#include "pink/objects/actors/lead_actor.h"
+#include "pink/objects/pages/game_page.h"
+#include "pink/objects/sequences/sequencer.h"
+#include "pink/objects/sequences/sequence.h"
+#include "pink/objects/sequences/sequence_context.h"
+#include "pink/objects/sequences/seq_timer.h"
+
+namespace Pink {
+
+Sequencer::Sequencer(GamePage *page)
+	: _context(nullptr), _page(page), _time(0), _isSkipping(false) {}
+
+Sequencer::~Sequencer() {
+	for (uint i = 0; i < _sequences.size(); ++i) {
+		delete _sequences[i];
+	}
+	for (uint i = 0; i < _timers.size(); ++i) {
+		delete _timers[i];
+	}
+	delete _context;
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		delete _parallelContexts[i];
+	}
+}
+
+void Sequencer::deserialize(Archive &archive) {
+	_sequences.deserialize(archive);
+	_timers.deserialize(archive);
+}
+
+Sequence *Sequencer::findSequence(const Common::String &name) {
+	for (uint i = 0; i < _sequences.size(); ++i) {
+		if (_sequences[i]->getName() == name)
+			return _sequences[i];
+	}
+	return nullptr;
+}
+
+void Sequencer::authorSequence(Sequence *sequence, bool loadingSave) {
+	if (_context)
+		_context->getSequence()->forceEnd();
+
+	if (sequence) {
+		SequenceContext *context = new SequenceContext(sequence);
+		SequenceContext *conflict;
+		while ((conflict = findConflictingContextWith(context)) != nullptr) {
+			conflict->getSequence()->forceEnd();
+		}
+		_context = context;
+		sequence->init(loadingSave);
+		debugC(5, kPinkDebugScripts, "Main Sequence %s started", sequence->getName().c_str());
+	}
+}
+
+void Sequencer::authorParallelSequence(Sequence *sequence, bool loadingSave) {
+	if (_context && _context->getSequence() == sequence)
+		return;
+
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		if (_parallelContexts[i]->getSequence() == sequence)
+			return;
+	}
+
+	const Common::String leadName = _page->getLeadActor()->getName();
+	SequenceContext *context = new SequenceContext(sequence);
+
+	if (!context->findState(leadName) && !findConflictingContextWith(context)) {
+		_parallelContexts.push_back(context);
+		sequence->init(loadingSave);
+		debugC(6, kPinkDebugScripts, "Parallel Sequence %s started", sequence->getName().c_str());
+	} else
+		delete context;
+}
+
+
+void Sequencer::toConsole() const {
+	debugC(6, kPinkDebugLoadingObjects, "Sequencer:");
+	for (uint i = 0; i < _sequences.size(); ++i) {
+		_sequences[i]->toConsole();
+	}
+	for (uint i = 0; i < _timers.size(); ++i) {
+		_timers[i]->toConsole();
+	}
+}
+
+void Sequencer::update() {
+	if (_context)
+		_context->getSequence()->update();
+
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		_parallelContexts[i]->getSequence()->update();
+	}
+
+	uint time = _page->getGame()->getTotalPlayTime();
+	if (time - _time > kTimersUpdateTime) {
+		_time = time;
+		for (uint i = 0; i < _timers.size(); ++i) {
+			_timers[i]->update();
+		}
+	}
+}
+
+void Sequencer::removeContext(SequenceContext *context) {
+	if (context == _context) {
+		delete _context;
+		_context = nullptr;
+		return;
+	}
+
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		if (context == _parallelContexts[i]) {
+			delete _parallelContexts[i];
+			_parallelContexts.remove_at(i);
+			break;
+		}
+	}
+}
+
+void Sequencer::skipSubSequence() {
+	if (_context) {
+		_isSkipping = true;
+		_context->getSequence()->skipSubSequence();
+		_isSkipping = false;
+	}
+}
+
+void Sequencer::restartSequence() {
+	if (_context) {
+		_isSkipping = true;
+		_context->getSequence()->restart();
+		_isSkipping = false;
+	}
+}
+
+void Sequencer::skipSequence() {
+	if (_context && _context->getSequence()->isSkippingAllowed()) {
+		_isSkipping = true;
+		_context->getSequence()->skip();
+		_isSkipping = false;
+	}
+}
+
+void Sequencer::loadState(Archive &archive) {
+	Sequence *sequence = findSequence(archive.readString());
+	authorSequence(sequence, 1);
+
+	uint size = archive.readWORD();
+	for (uint i = 0; i < size; ++i) {
+		sequence = findSequence(archive.readString());
+		authorParallelSequence(sequence, 1);
+	}
+}
+
+void Sequencer::saveState(Archive &archive) {
+	Common::String sequenceName;
+	if (_context)
+		sequenceName = _context->getSequence()->getName();
+	archive.writeString(sequenceName);
+
+	archive.writeWORD(_parallelContexts.size());
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		archive.writeString(_parallelContexts[i]->getSequence()->getName());
+	}
+}
+
+SequenceContext *Sequencer::findConflictingContextWith(SequenceContext *context) {
+	if (_context && _context->isConflictingWith(context)) {
+		return _context;
+	}
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		if (_parallelContexts[i]->isConflictingWith(context))
+			return _parallelContexts[i];
+	}
+	return nullptr;
+}
+
+SequenceActorState *Sequencer::findState(const Common::String &name) {
+	SequenceActorState *state = nullptr;
+	if (_context && (state = _context->findState(name)))
+		return state;
+
+	for (uint i = 0; i < _parallelContexts.size(); ++i) {
+		state = _parallelContexts[i]->findState(name);
+		if (state)
+			break;
+	}
+	return state;
+}
+
+} // End of namespace Pink