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engines/crab/GameClock.h

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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/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+#ifndef CRAB_GAMECLOCK_H
+#define CRAB_GAMECLOCK_H
+
+#include "crab/numstr.h"
+#include "crab/timer.h"
+
+namespace Crab {
+
+class GameClock {
+	Timer _timer;
+	uint32 _start;
+	Common::String _seperator;
+
+public:
+	GameClock() : _seperator(" : ") { _start = 0; }
+
+	void start(uint32 initialTime = 0) {
+		_start = initialTime;
+		_timer.start();
+	}
+
+	void start(const Common::String &str) {
+		uint32 ms = 0, hr = 0, min = 0, sec = 0;
+		Common::String strHrs, strMin, strSec;
+
+		size_t found1 = str.findFirstOf(_seperator);
+		if (found1 > 0 && found1 != Common::String::npos) {
+			strHrs = str.substr(0, found1);
+			hr = stringToNumber<uint32>(strHrs);
+
+			size_t found2 = str.findFirstOf(_seperator);
+			if (found2 > 0 && found2 != Common::String::npos) {
+				strSec = str.substr(found2 + 1, Common::String::npos);
+				sec = stringToNumber<uint32>(strSec);
+
+				strMin = str.substr(found1 + _seperator.size(), found2 - (2 * _seperator.size()));
+				min = stringToNumber<uint32>(strMin);
+			}
+		}
+
+		ms = 3600000 * hr + 60000 * min + 1000 * sec;
+		start(ms);
+	}
+
+	Common::String getTime() {
+		uint32 ms = _start + _timer.ticks();
+
+		uint32 x = ms / 1000;
+		uint32 seconds = x % 60;
+		x /= 60;
+		uint32 minutes = x % 60;
+		uint32 hours = x / 60;
+
+		Common::String timeStr = numberToString(hours);
+		timeStr += _seperator;
+		timeStr += numberToString(minutes);
+		timeStr += _seperator;
+		timeStr += numberToString(seconds);
+
+		return timeStr;
+	}
+};
+
+} // End of namespace Crab
+
+#endif // CRAB_GAMECLOCK_H