Posted: 8/19/2012 1:00 PM
Post subject: Lua question
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YaLTeR
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Joined: 12/2/2011
Posts: 129
Location: Moscow, Russia
How do I make my gui.drawRectangle function paint a rectangle that will stay while emulation is paused (like in FCEUX or like gui.text)?
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Posted: 8/20/2012 8:41 AM
Post subject: Re: Lua question
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amaurea
Former player
Joined: 2/19/2007
Posts: 424
Location: UK
YaLTeR wrote:
How do I make my gui.drawRectangle function paint a rectangle that will stay while emulation is paused (like in FCEUX or like gui.text)?
I am not familiar with Bizhawk, but if it works like other lua-enabled emualtors, then a function passed to gui.register() will be called every time the screen needs to be redrawn, whether paused or not. If so, you can get a rectangle to stay by doing: 
Language: lua
gui.register(function() gui.drawbox(10,10,20,20,0xff0000) end)
once, before entering the main loop of the script.
Posted: 8/20/2012 11:52 AM
Post subject: Re: Lua question
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Masterjun
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amaurea wrote:
I am not familiar with Bizhawk, but if it works like other lua-enabled emualtors, then a function passed to gui.register() will be called every time the screen needs to be redrawn, whether paused or not.
unfortunately, there is no gui.register() or something similar to that in Bizhawk, so i think we'll have to wait for a newer version...
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Posted: 9/2/2012 5:16 PM
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Pasky13
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Joined: 5/4/2005
Posts: 502
Location: Onett, Eagleland
This has been fixed in the latest revision on the SVN.
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Posted: 11/11/2012 8:06 AM
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Randil
Skilled player (1887)
Joined: 4/20/2005
Posts: 2160
Location: Norrköping, Sweden
I have a lua question for BizHawk: What is the correct syntax when using gui.drawImage? I've tried 
imfile="C:\pics\map.png"
gui.drawImage(imstr,30,30,10,10)
but it doesn't work - the lua window does not return an error, so the code passes, but nothing appears on the screen. Can someone help?
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Posted: 11/11/2012 8:18 AM
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Warepire
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Editor
Joined: 3/2/2010
Posts: 2174
Location: A little to the left of nowhere (Sweden)
Randil wrote:
I have a lua question for BizHawk: What is the correct syntax when using gui.drawImage? I've tried 
imfile="C:\pics\map.png"
gui.drawImage(imstr,30,30,10,10)
but it doesn't work - the lua window does not return an error, so the code passes, but nothing appears on the screen. Can someone help?
I am not a lua programmer per say so I might be way off... But shouldn't the code be the following? 
imfile="C:\pics\map.png"
gui.drawImage(imfile,30,30,10,10)
Posted: 11/11/2012 8:23 AM
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Randil
Skilled player (1887)
Joined: 4/20/2005
Posts: 2160
Location: Norrköping, Sweden
Ah yes, sorry, that was a typo in the post. The actual code reads as you posted.
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