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SendMessage Syntax?


TylerH
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I have been trying to setup a simple hitinfo system via SendMessage and ReceiveMessage.

 

I am sending the message fine, and receiving it fine, but when it comes time to use the "extra", I run into issues.

 

From my understanding, SendMessage syntax in lua is:

 

SendMessage(string message, entity sender, int delay, value extra)

 

I have tried that, passing "damage", an entity, 0, and an integer (5). I also tried swapping delay and extra, and still have no luck.

 

ReceiveMessage on the prop always picks up extra as nil. What am I doing wrong?

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entity:SendMessage( message, delay, extra )

 

Extra can be the sender, or something else since not all messages will have a "sender" entity.

 

I just looked over the docs, and it looks like they are all correct. If you find any discrepancies let me know.

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That can't possibly be right:

 

if KeyHit(KEY_E)==1 then
	pick=CameraPick(camera,Vec3(GraphicsWidth()/2,GraphicsHeight()/2,2.0),0,0)
	if pick~=nil then
		repeat
			if pick.entity:GetClass()==ENTITY_MODEL then
				break
			end
			pick.entity=pick.entity.parent
		until pick.entity==nil
		if pick.entity~=nil then
			pick.entity:SendMessage("use",controller,0)
		end
	end
end

 

pick.entity:SendMessage("use",controller,0)

 

You are clearly passing message,entity (Extra?), and 0 (delay?)

 

I have tried passing message,table,integer message,integer,table message,integer,integer

 

None of the combos work. THe message goes through, but on ReceiveMessage extra is always nil, can't be made a number, or something else with it has messed up.

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That doesn't explain why your second parameter is an entity and the third a 0.

 

And man, I wish it could support integers and Lua tables, that would make scripting actually useful! I never heard of not being able to pass an integer...

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All is swell, I just pass integers as strings and pick them out as integers. :D

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Ok, this is definitely the order:

 

message,delay (I pass "0", since an integer crashes), and then extra (I pass bullet.damage as a string)

 

This is sweet, I setup the props_locker file to receive damage messages and set its health. I tested it and the damage falloff works!

 

Now just to figure out why entity.model:SetColorf(...) in the ReceiveMessage callbacks isn't setting the color...

52t__nvidia.png nVidia 530M cpu.gif Intel Core i7 - 2.3Ghz 114229_30245_16_hardware_memory_ram_icon.png 8GB DDR3 RAM Windows7_Start.gif Windows 7 Ultimate (64x)

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Check out the gallery, I added a screenshot of the new ability to shoot the doors off of the lockers (Lockers have health, joint is freed if lower than 75)

52t__nvidia.png nVidia 530M cpu.gif Intel Core i7 - 2.3Ghz 114229_30245_16_hardware_memory_ram_icon.png 8GB DDR3 RAM Windows7_Start.gif Windows 7 Ultimate (64x)

-----

IconVisualStudio16.png Visual Studio 2010 Ultimate google-Chrome.png Google Chrome PhotoshopLinkIndicator.png Creative Suite 5 icon28.gif FL Studio 10 MicrosoftOfficeLive.png Office 15

-----

csharp.png Expert cpp.png Professional lua_icon.png Expert BMX Programmer

-----

i-windows-live-messenger-2009.pngskype-icon16.pngaim_online.pnggmail.pngicon_48x48_prism-facebook.pngtunein-web.pngyahoo.giftwitter16.png

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