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engines/mutationofjb/tasks/sequentialtask.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 "mutationofjb/tasks/sequentialtask.h"
+
+#include "mutationofjb/tasks/taskmanager.h"
+
+namespace MutationOfJB {
+
+SequentialTask::SequentialTask(const TaskPtrs &tasks) : _tasks(tasks) {
+}
+
+void SequentialTask::start() {
+	setState(RUNNING);
+	runTasks();
+}
+
+void SequentialTask::update() {
+	runTasks();
+}
+
+void SequentialTask::runTasks() {
+	while (true) {
+		if (_tasks.empty()) {
+			setState(FINISHED);
+			return;
+		}
+
+		const TaskPtr &task = _tasks.front();
+		switch (task->getState()) {
+		case IDLE:
+			getTaskManager()->startTask(task);
+			break;
+		case RUNNING:
+		default:
+			return;
+		case FINISHED:
+			_tasks.remove_at(0);
+			break;
+		}
+	}
+}
+
+}