From c99f40c13d945060f489693d3f533b6ce0b54adb Mon Sep 17 00:00:00 2001
From: johndoe123
Date: Wed, 19 Mar 2014 23:18:25 +0100
Subject: ILLUSIONS: Implement TimerThread and script opcode

---
 engines/illusions/time.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'engines/illusions/time.cpp')

diff --git a/engines/illusions/time.cpp b/engines/illusions/time.cpp
index f190035b10..34ceaf4b37 100644
--- a/engines/illusions/time.cpp
+++ b/engines/illusions/time.cpp
@@ -26,7 +26,7 @@
 namespace Illusions {
 
 uint32 getCurrentTime() {
-	return g_system->getMillis() / 60;
+	return g_system->getMillis() / 16;
 }
 
 bool isTimerExpired(uint32 startTime, uint32 endTime) {
@@ -36,4 +36,15 @@ bool isTimerExpired(uint32 startTime, uint32 endTime) {
 		(startTime < endTime && currTime <= endTime && currTime >= startTime));
 }
 
+uint32 getDurationElapsed(uint32 startTime, uint32 endTime) {
+	uint32 currTime = getCurrentTime();
+	uint32 elapsed = endTime - startTime;
+	if (isTimerExpired(startTime, endTime))
+		return elapsed;
+	else if (startTime < endTime || currTime > startTime)
+		return currTime - startTime;
+	else
+		return currTime + elapsed - endTime;
+}
+
 } // End of namespace Illusions
-- 
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