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How to get the remaining cast time of a CHANNELED spell?

fpsware

fpsware

Community Developer
Joined
Jan 15, 2010
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I'm trying to get the remaining cast time in milliseconds of a channeled spell. I can do this for a CAST spell but not a CHANNELED spell.

Eg... if Mind Flay has a total channeled time for 2000ms, and its been channeling for 1500ms I want to see there is only 500ms remaining.
 
fpsware said:
This does not work for channeled spells, it always returns 0. For cast spells it correctly returns the cast time remaining.
Click to expand...

I believe you can determine that from using this: UnitChannelInfo - World of Warcraft Programming: A Guide and Reference for Creating WoW Addons

Quickly Thrown Together, should work?
Code: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    var channelEndTime = Lua.GetReturnValues("return UnitChannelInfo(\"player\"").ElementAt(5))
                    ;
                    if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                    {
                        var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0)*1000;
                        var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                        retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                    }
                }
            }
            return retVal;
        }
 
Last edited:
the information you need is already there in the api, StartTime EndTime i mean he COULD do some math and figure it out, but i think the api is a bit broken, it shouldnt always be returning 0
 
CodenameG said:
the information you need is already there in the api, StartTime EndTime i mean he COULD do some math and figure it out, but i think the api is a bit broken, it shouldnt always be returning 0
Click to expand...

Is Start/End Time is consistent through both a basic Cast and Channeled spell, is the question?
 
Smarter said:
Is Start/End Time is consistent through both a basic Cast and Channeled spell, is the question?
Click to expand...
if its instant cast, like most spells are, then it should have the same start and end date, if its a channeled spell like drain life there should be a diffrence there
 
Smarter said:
I believe you can determine that from using this: UnitChannelInfo - World of Warcraft Programming: A Guide and Reference for Creating WoW Addons

Quickly Thrown Together, should work?
Code: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    var channelEndTime = Lua.GetReturnValues("return UnitChannelInfo(\"player\"").ElementAt(5))
                    ;
                    if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                    {
                        var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0)*1000;
                        var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                        retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                    }
                }
            }
            return retVal;
        }
Click to expand...


Thanks so much for this, its greatly appreciated.

This is what I have.....

Code: 
public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    var channelEndTime = Lua.GetReturnValues("return UnitChannelInfo(\"player\"","lua.lua").ElementAt(5);
                    if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                    {
                        var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0)*1000;
                        var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                        retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                    }
                }
            }
            return retVal;
        }


This is the error...

Code: 
[4:29:28 a.m.:100] System.ArgumentNullException: Value cannot be null.
Parameter name: source   at System.Linq.Enumerable.ElementAt[TSource](IEnumerable`1 source, Int32 index)  at FpswareCC.FSRE.GetChannelTimeLeft() in c:\HB\CustomClasses\Fpsware Template\Class Specific\Logic\FSRE.cs:line 132

Line 132 puts the error in this line:
var channelEndTime = Lua.GetReturnValues("return UnitChannelInfo(\"player\"","lua.lua").ElementAt(5);

</int>
 
(\"player\"","lua.lua") -- Notice Anything?

I corrected this, and added some sanity:
Code: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    var channelInfo = Lua.GetReturnValues("return UnitChannelInfo(\"player\");");
                    if (channelInfo.Count > 1)
                    {
                        var channelEndTime = channelInfo[5];
                        if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                        {
                            var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0)*1000;
                            var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                            retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                        }
                    }
                }
            }
            return retVal;
        }
 
Thanks, now that is going to be extremely hand in the future!

Again, thanks very much!
 
Smarter said:
(\"player\"","lua.lua") -- Notice Anything?

I corrected this, and added some sanity:
Code: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    var channelInfo = Lua.GetReturnValues("return UnitChannelInfo(\"player\");");
                    if (channelInfo.Count > 1)
                    {
                        var channelEndTime = channelInfo[5];
                        if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                        {
                            var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0)*1000;
                            var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                            retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                        }
                    }
                }
            }
            return retVal;
        }
Click to expand...


Its still returning an error :)

[9:39:45 a.m.:965] System.ArgumentNullException: Value cannot be null.
Parameter name: source
at System.Linq.Enumerable.ElementAt[TSource](IEnumerable`1 source, Int32 index)
at FpswareCC.Library.Spells.GetChannelTimeLeft() in c:\HB\CustomClasses\Fpsware Template\Library\FLib.cs:line 378


At line...
var channelInfo = Lua.GetReturnValues("return UnitChannelInfo(\"player\");");

</int>
 
Copy this entire function, and overwrite yours, you still were missing the type for GetReturnVal later in the code too. Try this, not sure why it is null.
Code: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.IsCasting)
                {
                    List<string> channelInfo = Lua.GetReturnValues("return UnitChannelInfo(\"player\");");
                    if (channelInfo != null && channelInfo.Count > 1)
                    {
                        var channelEndTime = channelInfo[5];
                        if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                        {
                            var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0) * 1000;
                            var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                            retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                        }
                    }
                }
            }
            return retVal;
        }
 
edit: the code tag from the forum removes some code u'll need for this

try this
PHP: 
        public static TimeSpan GetChannelTimeLeft()
        {
            var retVal = new TimeSpan();
            using (new FrameLock())
            {
                if (StyxWoW.Me.ChanneledCastingSpellId != 0)
                {
                    List<string> channelInfo = Lua.GetReturnValues("return UnitChannelInfo(\"player\");");
                    if (channelInfo != null && channelInfo.Count > 1)
                    {
                        var channelEndTime = channelInfo[5];
                        if (channelEndTime != null && Convert.ToInt32(channelEndTime) != 0)
                        {
                            var currentTime = Lua.GetReturnVal<int>("return GetTime();", 0) * 1000;
                            var timeLeft = Convert.ToInt32(channelEndTime) - currentTime;
                            retVal = new TimeSpan(0, 0, 0, 0, timeLeft);
                        }
                    }
                }
            }
            return retVal;
        }
 
Last edited:
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